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|
// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/renderer/render_frame_impl.h"
#include <map>
#include <string>
#include "base/auto_reset.h"
#include "base/command_line.h"
#include "base/debug/alias.h"
#include "base/debug/dump_without_crashing.h"
#include "base/i18n/char_iterator.h"
#include "base/metrics/histogram.h"
#include "base/process/kill.h"
#include "base/process/process.h"
#include "base/strings/utf_string_conversions.h"
#include "base/time/time.h"
#include "content/child/appcache/appcache_dispatcher.h"
#include "content/child/plugin_messages.h"
#include "content/child/quota_dispatcher.h"
#include "content/child/request_extra_data.h"
#include "content/child/service_worker/service_worker_network_provider.h"
#include "content/child/service_worker/web_service_worker_provider_impl.h"
#include "content/child/web_socket_stream_handle_impl.h"
#include "content/common/clipboard_messages.h"
#include "content/common/frame_messages.h"
#include "content/common/input_messages.h"
#include "content/common/service_worker/service_worker_types.h"
#include "content/common/socket_stream_handle_data.h"
#include "content/common/swapped_out_messages.h"
#include "content/common/view_messages.h"
#include "content/public/common/bindings_policy.h"
#include "content/public/common/content_constants.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/context_menu_params.h"
#include "content/public/common/url_constants.h"
#include "content/public/common/url_utils.h"
#include "content/public/renderer/content_renderer_client.h"
#include "content/public/renderer/context_menu_client.h"
#include "content/public/renderer/document_state.h"
#include "content/public/renderer/history_item_serialization.h"
#include "content/public/renderer/navigation_state.h"
#include "content/public/renderer/render_frame_observer.h"
#include "content/renderer/accessibility/renderer_accessibility.h"
#include "content/renderer/browser_plugin/browser_plugin.h"
#include "content/renderer/browser_plugin/browser_plugin_manager.h"
#include "content/renderer/child_frame_compositing_helper.h"
#include "content/renderer/context_menu_params_builder.h"
#include "content/renderer/dom_automation_controller.h"
#include "content/renderer/ime_event_guard.h"
#include "content/renderer/internal_document_state_data.h"
#include "content/renderer/java/java_bridge_dispatcher.h"
#include "content/renderer/media/webcontentdecryptionmodule_impl.h"
#include "content/renderer/npapi/plugin_channel_host.h"
#include "content/renderer/render_process.h"
#include "content/renderer/render_thread_impl.h"
#include "content/renderer/render_view_impl.h"
#include "content/renderer/render_widget_fullscreen_pepper.h"
#include "content/renderer/renderer_webapplicationcachehost_impl.h"
#include "content/renderer/shared_worker_repository.h"
#include "content/renderer/v8_value_converter_impl.h"
#include "content/renderer/websharedworker_proxy.h"
#include "net/base/data_url.h"
#include "net/base/net_errors.h"
#include "net/base/registry_controlled_domains/registry_controlled_domain.h"
#include "net/http/http_util.h"
#include "third_party/WebKit/public/platform/WebStorageQuotaCallbacks.h"
#include "third_party/WebKit/public/platform/WebString.h"
#include "third_party/WebKit/public/platform/WebURL.h"
#include "third_party/WebKit/public/platform/WebURLError.h"
#include "third_party/WebKit/public/platform/WebURLResponse.h"
#include "third_party/WebKit/public/platform/WebVector.h"
#include "third_party/WebKit/public/web/WebDocument.h"
#include "third_party/WebKit/public/web/WebFrame.h"
#include "third_party/WebKit/public/web/WebGlyphCache.h"
#include "third_party/WebKit/public/web/WebNavigationPolicy.h"
#include "third_party/WebKit/public/web/WebPlugin.h"
#include "third_party/WebKit/public/web/WebPluginParams.h"
#include "third_party/WebKit/public/web/WebRange.h"
#include "third_party/WebKit/public/web/WebScriptSource.h"
#include "third_party/WebKit/public/web/WebSearchableFormData.h"
#include "third_party/WebKit/public/web/WebSecurityOrigin.h"
#include "third_party/WebKit/public/web/WebSecurityPolicy.h"
#include "third_party/WebKit/public/web/WebUserGestureIndicator.h"
#include "third_party/WebKit/public/web/WebView.h"
#include "webkit/child/weburlresponse_extradata_impl.h"
#if defined(ENABLE_PLUGINS)
#include "content/renderer/npapi/webplugin_impl.h"
#include "content/renderer/pepper/pepper_browser_connection.h"
#include "content/renderer/pepper/pepper_plugin_instance_impl.h"
#include "content/renderer/pepper/pepper_webplugin_impl.h"
#include "content/renderer/pepper/plugin_module.h"
#endif
#if defined(ENABLE_WEBRTC)
#include "content/renderer/media/rtc_peer_connection_handler.h"
#endif
using blink::WebContextMenuData;
using blink::WebData;
using blink::WebDataSource;
using blink::WebDocument;
using blink::WebElement;
using blink::WebFrame;
using blink::WebHistoryItem;
using blink::WebHTTPBody;
using blink::WebNavigationPolicy;
using blink::WebNavigationType;
using blink::WebNode;
using blink::WebPluginParams;
using blink::WebRange;
using blink::WebReferrerPolicy;
using blink::WebScriptSource;
using blink::WebSearchableFormData;
using blink::WebSecurityOrigin;
using blink::WebSecurityPolicy;
using blink::WebServiceWorkerProvider;
using blink::WebStorageQuotaCallbacks;
using blink::WebString;
using blink::WebURL;
using blink::WebURLError;
using blink::WebURLRequest;
using blink::WebURLResponse;
using blink::WebUserGestureIndicator;
using blink::WebVector;
using blink::WebView;
using base::Time;
using base::TimeDelta;
using webkit_glue::WebURLResponseExtraDataImpl;
namespace content {
namespace {
const size_t kExtraCharsBeforeAndAfterSelection = 100;
typedef std::map<blink::WebFrame*, RenderFrameImpl*> FrameMap;
base::LazyInstance<FrameMap> g_frame_map = LAZY_INSTANCE_INITIALIZER;
int64 ExtractPostId(const WebHistoryItem& item) {
if (item.isNull())
return -1;
if (item.httpBody().isNull())
return -1;
return item.httpBody().identifier();
}
WebURLResponseExtraDataImpl* GetExtraDataFromResponse(
const WebURLResponse& response) {
return static_cast<WebURLResponseExtraDataImpl*>(response.extraData());
}
void GetRedirectChain(WebDataSource* ds, std::vector<GURL>* result) {
// Replace any occurrences of swappedout:// with about:blank.
const WebURL& blank_url = GURL(kAboutBlankURL);
WebVector<WebURL> urls;
ds->redirectChain(urls);
result->reserve(urls.size());
for (size_t i = 0; i < urls.size(); ++i) {
if (urls[i] != GURL(kSwappedOutURL))
result->push_back(urls[i]);
else
result->push_back(blank_url);
}
}
NOINLINE static void CrashIntentionally() {
// NOTE(shess): Crash directly rather than using NOTREACHED() so
// that the signature is easier to triage in crash reports.
volatile int* zero = NULL;
*zero = 0;
}
#if defined(ADDRESS_SANITIZER)
NOINLINE static void MaybeTriggerAsanError(const GURL& url) {
// NOTE(rogerm): We intentionally perform an invalid heap access here in
// order to trigger an Address Sanitizer (ASAN) error report.
static const char kCrashDomain[] = "crash";
static const char kHeapOverflow[] = "/heap-overflow";
static const char kHeapUnderflow[] = "/heap-underflow";
static const char kUseAfterFree[] = "/use-after-free";
static const int kArraySize = 5;
if (!url.DomainIs(kCrashDomain, sizeof(kCrashDomain) - 1))
return;
if (!url.has_path())
return;
scoped_ptr<int[]> array(new int[kArraySize]);
std::string crash_type(url.path());
int dummy = 0;
if (crash_type == kHeapOverflow) {
dummy = array[kArraySize];
} else if (crash_type == kHeapUnderflow ) {
dummy = array[-1];
} else if (crash_type == kUseAfterFree) {
int* dangling = array.get();
array.reset();
dummy = dangling[kArraySize / 2];
}
// Make sure the assignments to the dummy value aren't optimized away.
base::debug::Alias(&dummy);
}
#endif // ADDRESS_SANITIZER
static void MaybeHandleDebugURL(const GURL& url) {
if (!url.SchemeIs(kChromeUIScheme))
return;
if (url == GURL(kChromeUICrashURL)) {
CrashIntentionally();
} else if (url == GURL(kChromeUIKillURL)) {
base::KillProcess(base::GetCurrentProcessHandle(), 1, false);
} else if (url == GURL(kChromeUIHangURL)) {
for (;;) {
base::PlatformThread::Sleep(base::TimeDelta::FromSeconds(1));
}
} else if (url == GURL(kChromeUIShorthangURL)) {
base::PlatformThread::Sleep(base::TimeDelta::FromSeconds(20));
}
#if defined(ADDRESS_SANITIZER)
MaybeTriggerAsanError(url);
#endif // ADDRESS_SANITIZER
}
// Returns false unless this is a top-level navigation.
static bool IsTopLevelNavigation(WebFrame* frame) {
return frame->parent() == NULL;
}
// Returns false unless this is a top-level navigation that crosses origins.
static bool IsNonLocalTopLevelNavigation(const GURL& url,
WebFrame* frame,
WebNavigationType type,
bool is_form_post) {
if (!IsTopLevelNavigation(frame))
return false;
// Navigations initiated within Webkit are not sent out to the external host
// in the following cases.
// 1. The url scheme is not http/https
// 2. The origin of the url and the opener is the same in which case the
// opener relationship is maintained.
// 3. Reloads/form submits/back forward navigations
if (!url.SchemeIs(kHttpScheme) && !url.SchemeIs(kHttpsScheme))
return false;
if (type != blink::WebNavigationTypeReload &&
type != blink::WebNavigationTypeBackForward && !is_form_post) {
// The opener relationship between the new window and the parent allows the
// new window to script the parent and vice versa. This is not allowed if
// the origins of the two domains are different. This can be treated as a
// top level navigation and routed back to the host.
blink::WebFrame* opener = frame->opener();
if (!opener)
return true;
if (url.GetOrigin() != GURL(opener->document().url()).GetOrigin())
return true;
}
return false;
}
} // namespace
static RenderFrameImpl* (*g_create_render_frame_impl)(RenderViewImpl*, int32) =
NULL;
// static
RenderFrameImpl* RenderFrameImpl::Create(RenderViewImpl* render_view,
int32 routing_id) {
DCHECK(routing_id != MSG_ROUTING_NONE);
if (g_create_render_frame_impl)
return g_create_render_frame_impl(render_view, routing_id);
else
return new RenderFrameImpl(render_view, routing_id);
}
// static
RenderFrame* RenderFrame::FromWebFrame(blink::WebFrame* web_frame) {
return RenderFrameImpl::FromWebFrame(web_frame);
}
RenderFrameImpl* RenderFrameImpl::FromWebFrame(blink::WebFrame* web_frame) {
FrameMap::iterator iter = g_frame_map.Get().find(web_frame);
if (iter != g_frame_map.Get().end())
return iter->second;
return NULL;
}
// static
void RenderFrameImpl::InstallCreateHook(
RenderFrameImpl* (*create_render_frame_impl)(RenderViewImpl*, int32)) {
CHECK(!g_create_render_frame_impl);
g_create_render_frame_impl = create_render_frame_impl;
}
// RenderFrameImpl ----------------------------------------------------------
RenderFrameImpl::RenderFrameImpl(RenderViewImpl* render_view, int routing_id)
: frame_(NULL),
render_view_(render_view->AsWeakPtr()),
routing_id_(routing_id),
is_loading_(false),
is_swapped_out_(false),
is_detaching_(false),
cookie_jar_(this),
selection_text_offset_(0),
selection_range_(gfx::Range::InvalidRange()),
handling_select_range_(false) {
RenderThread::Get()->AddRoute(routing_id_, this);
#if defined(OS_ANDROID)
new JavaBridgeDispatcher(this);
#endif
}
RenderFrameImpl::~RenderFrameImpl() {
FOR_EACH_OBSERVER(RenderFrameObserver, observers_, RenderFrameGone());
FOR_EACH_OBSERVER(RenderFrameObserver, observers_, OnDestruct());
RenderThread::Get()->RemoveRoute(routing_id_);
}
void RenderFrameImpl::SetWebFrame(blink::WebFrame* web_frame) {
DCHECK(!frame_);
std::pair<FrameMap::iterator, bool> result = g_frame_map.Get().insert(
std::make_pair(web_frame, this));
CHECK(result.second) << "Inserting a duplicate item.";
frame_ = web_frame;
#if defined(ENABLE_PLUGINS)
new PepperBrowserConnection(this);
#endif
new SharedWorkerRepository(this);
// We delay calling this until we have the WebFrame so that any observer or
// embedder can call GetWebFrame on any RenderFrame.
GetContentClient()->renderer()->RenderFrameCreated(this);
}
RenderWidget* RenderFrameImpl::GetRenderWidget() {
return render_view_.get();
}
#if defined(ENABLE_PLUGINS)
void RenderFrameImpl::PepperPluginCreated(RendererPpapiHost* host) {
FOR_EACH_OBSERVER(RenderFrameObserver, observers_,
DidCreatePepperPlugin(host));
}
void RenderFrameImpl::PepperDidChangeCursor(
PepperPluginInstanceImpl* instance,
const blink::WebCursorInfo& cursor) {
// Update the cursor appearance immediately if the requesting plugin is the
// one which receives the last mouse event. Otherwise, the new cursor won't be
// picked up until the plugin gets the next input event. That is bad if, e.g.,
// the plugin would like to set an invisible cursor when there isn't any user
// input for a while.
if (instance == render_view_->pepper_last_mouse_event_target())
GetRenderWidget()->didChangeCursor(cursor);
}
void RenderFrameImpl::PepperDidReceiveMouseEvent(
PepperPluginInstanceImpl* instance) {
render_view_->set_pepper_last_mouse_event_target(instance);
}
void RenderFrameImpl::PepperTextInputTypeChanged(
PepperPluginInstanceImpl* instance) {
if (instance != render_view_->focused_pepper_plugin())
return;
GetRenderWidget()->UpdateTextInputType();
if (render_view_->renderer_accessibility())
render_view_->renderer_accessibility()->FocusedNodeChanged(WebNode());
}
void RenderFrameImpl::PepperCaretPositionChanged(
PepperPluginInstanceImpl* instance) {
if (instance != render_view_->focused_pepper_plugin())
return;
GetRenderWidget()->UpdateSelectionBounds();
}
void RenderFrameImpl::PepperCancelComposition(
PepperPluginInstanceImpl* instance) {
if (instance != render_view_->focused_pepper_plugin())
return;
Send(new ViewHostMsg_ImeCancelComposition(render_view_->GetRoutingID()));;
#if defined(OS_MACOSX) || defined(OS_WIN) || defined(USE_AURA)
GetRenderWidget()->UpdateCompositionInfo(true);
#endif
}
void RenderFrameImpl::PepperSelectionChanged(
PepperPluginInstanceImpl* instance) {
if (instance != render_view_->focused_pepper_plugin())
return;
SyncSelectionIfRequired();
}
RenderWidgetFullscreenPepper* RenderFrameImpl::CreatePepperFullscreenContainer(
PepperPluginInstanceImpl* plugin) {
GURL active_url;
if (render_view_->webview() && render_view_->webview()->mainFrame())
active_url = GURL(render_view_->webview()->mainFrame()->document().url());
RenderWidgetFullscreenPepper* widget = RenderWidgetFullscreenPepper::Create(
GetRenderWidget()->routing_id(), plugin, active_url,
GetRenderWidget()->screenInfo());
widget->show(blink::WebNavigationPolicyIgnore);
return widget;
}
bool RenderFrameImpl::IsPepperAcceptingCompositionEvents() const {
if (!render_view_->focused_pepper_plugin())
return false;
return render_view_->focused_pepper_plugin()->
IsPluginAcceptingCompositionEvents();
}
void RenderFrameImpl::PluginCrashed(const base::FilePath& plugin_path,
base::ProcessId plugin_pid) {
// TODO(jam): dispatch this IPC in RenderFrameHost and switch to use
// routing_id_ as a result.
Send(new FrameHostMsg_PluginCrashed(routing_id_, plugin_path, plugin_pid));
}
void RenderFrameImpl::SimulateImeSetComposition(
const base::string16& text,
const std::vector<blink::WebCompositionUnderline>& underlines,
int selection_start,
int selection_end) {
render_view_->OnImeSetComposition(
text, underlines, selection_start, selection_end);
}
void RenderFrameImpl::SimulateImeConfirmComposition(
const base::string16& text,
const gfx::Range& replacement_range) {
render_view_->OnImeConfirmComposition(text, replacement_range, false);
}
void RenderFrameImpl::OnImeSetComposition(
const base::string16& text,
const std::vector<blink::WebCompositionUnderline>& underlines,
int selection_start,
int selection_end) {
// When a PPAPI plugin has focus, we bypass WebKit.
if (!IsPepperAcceptingCompositionEvents()) {
pepper_composition_text_ = text;
} else {
// TODO(kinaba) currently all composition events are sent directly to
// plugins. Use DOM event mechanism after WebKit is made aware about
// plugins that support composition.
// The code below mimics the behavior of WebCore::Editor::setComposition.
// Empty -> nonempty: composition started.
if (pepper_composition_text_.empty() && !text.empty()) {
render_view_->focused_pepper_plugin()->HandleCompositionStart(
base::string16());
}
// Nonempty -> empty: composition canceled.
if (!pepper_composition_text_.empty() && text.empty()) {
render_view_->focused_pepper_plugin()->HandleCompositionEnd(
base::string16());
}
pepper_composition_text_ = text;
// Nonempty: composition is ongoing.
if (!pepper_composition_text_.empty()) {
render_view_->focused_pepper_plugin()->HandleCompositionUpdate(
pepper_composition_text_, underlines, selection_start,
selection_end);
}
}
}
void RenderFrameImpl::OnImeConfirmComposition(
const base::string16& text,
const gfx::Range& replacement_range,
bool keep_selection) {
// When a PPAPI plugin has focus, we bypass WebKit.
// Here, text.empty() has a special meaning. It means to commit the last
// update of composition text (see
// RenderWidgetHost::ImeConfirmComposition()).
const base::string16& last_text = text.empty() ? pepper_composition_text_
: text;
// last_text is empty only when both text and pepper_composition_text_ is.
// Ignore it.
if (last_text.empty())
return;
if (!IsPepperAcceptingCompositionEvents()) {
base::i18n::UTF16CharIterator iterator(&last_text);
int32 i = 0;
while (iterator.Advance()) {
blink::WebKeyboardEvent char_event;
char_event.type = blink::WebInputEvent::Char;
char_event.timeStampSeconds = base::Time::Now().ToDoubleT();
char_event.modifiers = 0;
char_event.windowsKeyCode = last_text[i];
char_event.nativeKeyCode = last_text[i];
const int32 char_start = i;
for (; i < iterator.array_pos(); ++i) {
char_event.text[i - char_start] = last_text[i];
char_event.unmodifiedText[i - char_start] = last_text[i];
}
if (GetRenderWidget()->webwidget())
GetRenderWidget()->webwidget()->handleInputEvent(char_event);
}
} else {
// Mimics the order of events sent by WebKit.
// See WebCore::Editor::setComposition() for the corresponding code.
render_view_->focused_pepper_plugin()->HandleCompositionEnd(last_text);
render_view_->focused_pepper_plugin()->HandleTextInput(last_text);
}
pepper_composition_text_.clear();
}
#endif // ENABLE_PLUGINS
bool RenderFrameImpl::Send(IPC::Message* message) {
if (is_detaching_ ||
((is_swapped_out_ || render_view_->is_swapped_out()) &&
!SwappedOutMessages::CanSendWhileSwappedOut(message))) {
delete message;
return false;
}
return RenderThread::Get()->Send(message);
}
bool RenderFrameImpl::OnMessageReceived(const IPC::Message& msg) {
ObserverListBase<RenderFrameObserver>::Iterator it(observers_);
RenderFrameObserver* observer;
while ((observer = it.GetNext()) != NULL) {
if (observer->OnMessageReceived(msg))
return true;
}
bool handled = true;
bool msg_is_ok = true;
IPC_BEGIN_MESSAGE_MAP_EX(RenderFrameImpl, msg, msg_is_ok)
IPC_MESSAGE_HANDLER(FrameMsg_Navigate, OnNavigate)
IPC_MESSAGE_HANDLER(FrameMsg_BeforeUnload, OnBeforeUnload)
IPC_MESSAGE_HANDLER(FrameMsg_SwapOut, OnSwapOut)
IPC_MESSAGE_HANDLER(FrameMsg_BuffersSwapped, OnBuffersSwapped)
IPC_MESSAGE_HANDLER_GENERIC(FrameMsg_CompositorFrameSwapped,
OnCompositorFrameSwapped(msg))
IPC_MESSAGE_HANDLER(FrameMsg_ChildFrameProcessGone, OnChildFrameProcessGone)
IPC_MESSAGE_HANDLER(FrameMsg_ContextMenuClosed, OnContextMenuClosed)
IPC_MESSAGE_HANDLER(FrameMsg_CustomContextMenuAction,
OnCustomContextMenuAction)
IPC_MESSAGE_HANDLER(InputMsg_Undo, OnUndo)
IPC_MESSAGE_HANDLER(InputMsg_Redo, OnRedo)
IPC_MESSAGE_HANDLER(InputMsg_Cut, OnCut)
IPC_MESSAGE_HANDLER(InputMsg_Copy, OnCopy)
IPC_MESSAGE_HANDLER(InputMsg_Paste, OnPaste)
IPC_MESSAGE_HANDLER(InputMsg_PasteAndMatchStyle, OnPasteAndMatchStyle)
IPC_MESSAGE_HANDLER(InputMsg_Delete, OnDelete)
IPC_MESSAGE_HANDLER(InputMsg_SelectAll, OnSelectAll)
IPC_MESSAGE_HANDLER(InputMsg_SelectRange, OnSelectRange)
IPC_MESSAGE_HANDLER(InputMsg_Unselect, OnUnselect)
IPC_MESSAGE_HANDLER(FrameMsg_CSSInsertRequest, OnCSSInsertRequest)
IPC_MESSAGE_HANDLER(FrameMsg_JavaScriptExecuteRequest,
OnJavaScriptExecuteRequest)
IPC_MESSAGE_HANDLER(FrameMsg_SetEditableSelectionOffsets,
OnSetEditableSelectionOffsets)
#if defined(OS_MACOSX)
IPC_MESSAGE_HANDLER(InputMsg_CopyToFindPboard, OnCopyToFindPboard)
#endif
IPC_END_MESSAGE_MAP_EX()
if (!msg_is_ok) {
// The message had a handler, but its deserialization failed.
// Kill the renderer to avoid potential spoofing attacks.
CHECK(false) << "Unable to deserialize message in RenderFrameImpl.";
}
return handled;
}
void RenderFrameImpl::OnNavigate(const FrameMsg_Navigate_Params& params) {
MaybeHandleDebugURL(params.url);
if (!render_view_->webview())
return;
render_view_->OnNavigate(params);
bool is_reload = RenderViewImpl::IsReload(params);
WebURLRequest::CachePolicy cache_policy =
WebURLRequest::UseProtocolCachePolicy;
// If this is a stale back/forward (due to a recent navigation the browser
// didn't know about), ignore it.
if (render_view_->IsBackForwardToStaleEntry(params, is_reload))
return;
// Swap this renderer back in if necessary.
if (render_view_->is_swapped_out_) {
// We marked the view as hidden when swapping the view out, so be sure to
// reset the visibility state before navigating to the new URL.
render_view_->webview()->setVisibilityState(
render_view_->visibilityState(), false);
// If this is an attempt to reload while we are swapped out, we should not
// reload swappedout://, but the previous page, which is stored in
// params.state. Setting is_reload to false will treat this like a back
// navigation to accomplish that.
is_reload = false;
cache_policy = WebURLRequest::ReloadIgnoringCacheData;
// We refresh timezone when a view is swapped in since timezone
// can get out of sync when the system timezone is updated while
// the view is swapped out.
RenderThreadImpl::NotifyTimezoneChange();
render_view_->SetSwappedOut(false);
is_swapped_out_ = false;
}
if (params.should_clear_history_list) {
CHECK_EQ(params.pending_history_list_offset, -1);
CHECK_EQ(params.current_history_list_offset, -1);
CHECK_EQ(params.current_history_list_length, 0);
}
render_view_->history_list_offset_ = params.current_history_list_offset;
render_view_->history_list_length_ = params.current_history_list_length;
if (render_view_->history_list_length_ >= 0) {
render_view_->history_page_ids_.resize(
render_view_->history_list_length_, -1);
}
if (params.pending_history_list_offset >= 0 &&
params.pending_history_list_offset < render_view_->history_list_length_) {
render_view_->history_page_ids_[params.pending_history_list_offset] =
params.page_id;
}
GetContentClient()->SetActiveURL(params.url);
WebFrame* frame = frame_;
if (!params.frame_to_navigate.empty()) {
// TODO(nasko): Move this lookup to the browser process.
frame = render_view_->webview()->findFrameByName(
WebString::fromUTF8(params.frame_to_navigate));
CHECK(frame) << "Invalid frame name passed: " << params.frame_to_navigate;
}
if (is_reload && frame->currentHistoryItem().isNull()) {
// We cannot reload if we do not have any history state. This happens, for
// example, when recovering from a crash.
is_reload = false;
cache_policy = WebURLRequest::ReloadIgnoringCacheData;
}
render_view_->pending_navigation_params_.reset(
new FrameMsg_Navigate_Params(params));
// If we are reloading, then WebKit will use the history state of the current
// page, so we should just ignore any given history state. Otherwise, if we
// have history state, then we need to navigate to it, which corresponds to a
// back/forward navigation event.
if (is_reload) {
bool reload_original_url =
(params.navigation_type ==
FrameMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL);
bool ignore_cache = (params.navigation_type ==
FrameMsg_Navigate_Type::RELOAD_IGNORING_CACHE);
if (reload_original_url)
frame->reloadWithOverrideURL(params.url, true);
else
frame->reload(ignore_cache);
} else if (params.page_state.IsValid()) {
// We must know the page ID of the page we are navigating back to.
DCHECK_NE(params.page_id, -1);
WebHistoryItem item = PageStateToHistoryItem(params.page_state);
if (!item.isNull()) {
// Ensure we didn't save the swapped out URL in UpdateState, since the
// browser should never be telling us to navigate to swappedout://.
CHECK(item.urlString() != WebString::fromUTF8(kSwappedOutURL));
frame->loadHistoryItem(item, cache_policy);
}
} else if (!params.base_url_for_data_url.is_empty()) {
// A loadData request with a specified base URL.
std::string mime_type, charset, data;
if (net::DataURL::Parse(params.url, &mime_type, &charset, &data)) {
frame->loadData(
WebData(data.c_str(), data.length()),
WebString::fromUTF8(mime_type),
WebString::fromUTF8(charset),
params.base_url_for_data_url,
params.history_url_for_data_url,
false);
} else {
CHECK(false) <<
"Invalid URL passed: " << params.url.possibly_invalid_spec();
}
} else {
// Navigate to the given URL.
WebURLRequest request(params.url);
// A session history navigation should have been accompanied by state.
CHECK_EQ(params.page_id, -1);
if (frame->isViewSourceModeEnabled())
request.setCachePolicy(WebURLRequest::ReturnCacheDataElseLoad);
if (params.referrer.url.is_valid()) {
WebString referrer = WebSecurityPolicy::generateReferrerHeader(
params.referrer.policy,
params.url,
WebString::fromUTF8(params.referrer.url.spec()));
if (!referrer.isEmpty())
request.setHTTPReferrer(referrer, params.referrer.policy);
}
if (!params.extra_headers.empty()) {
for (net::HttpUtil::HeadersIterator i(params.extra_headers.begin(),
params.extra_headers.end(), "\n");
i.GetNext(); ) {
request.addHTTPHeaderField(WebString::fromUTF8(i.name()),
WebString::fromUTF8(i.values()));
}
}
if (params.is_post) {
request.setHTTPMethod(WebString::fromUTF8("POST"));
// Set post data.
WebHTTPBody http_body;
http_body.initialize();
const char* data = NULL;
if (params.browser_initiated_post_data.size()) {
data = reinterpret_cast<const char*>(
¶ms.browser_initiated_post_data.front());
}
http_body.appendData(
WebData(data, params.browser_initiated_post_data.size()));
request.setHTTPBody(http_body);
}
frame->loadRequest(request);
// If this is a cross-process navigation, the browser process will send
// along the proper navigation start value.
if (!params.browser_navigation_start.is_null() &&
frame->provisionalDataSource()) {
// browser_navigation_start is likely before this process existed, so we
// can't use InterProcessTimeTicksConverter. Instead, the best we can do
// is just ensure we don't report a bogus value in the future.
base::TimeTicks navigation_start = std::min(
base::TimeTicks::Now(), params.browser_navigation_start);
double navigation_start_seconds =
(navigation_start - base::TimeTicks()).InSecondsF();
frame->provisionalDataSource()->setNavigationStartTime(
navigation_start_seconds);
}
}
// In case LoadRequest failed before DidCreateDataSource was called.
render_view_->pending_navigation_params_.reset();
}
void RenderFrameImpl::OnBeforeUnload() {
// TODO(creis): Move dispatchBeforeUnloadEvent to WebFrame. Until then, this
// should only be called on the main frame. Eventually, the browser process
// should dispatch it to every frame that needs it.
CHECK(!frame_->parent());
base::TimeTicks before_unload_start_time = base::TimeTicks::Now();
bool proceed = render_view_->webview()->dispatchBeforeUnloadEvent();
base::TimeTicks before_unload_end_time = base::TimeTicks::Now();
Send(new FrameHostMsg_BeforeUnload_ACK(routing_id_, proceed,
before_unload_start_time,
before_unload_end_time));
}
void RenderFrameImpl::OnSwapOut() {
// Only run unload if we're not swapped out yet, but send the ack either way.
if (!is_swapped_out_) {
// Swap this RenderView out so the tab can navigate to a page rendered by a
// different process. This involves running the unload handler and clearing
// the page. Once WasSwappedOut is called, we also allow this process to
// exit if there are no other active RenderViews in it.
// Send an UpdateState message before we get swapped out.
render_view_->SyncNavigationState();
// Synchronously run the unload handler before sending the ACK.
// TODO(creis): Add a WebFrame::dispatchUnloadEvent and call it here.
// Swap out and stop sending any IPC messages that are not ACKs.
is_swapped_out_ = true;
// Now that we're swapped out and filtering IPC messages, stop loading to
// ensure that no other in-progress navigation continues. We do this here
// to avoid sending a DidStopLoading message to the browser process.
// TODO(creis): Should we be stopping all frames here and using
// StopAltErrorPageFetcher with RenderView::OnStop, or just stopping this
// frame?
frame_->stopLoading();
frame_->setIsRemote(true);
// Replace the page with a blank dummy URL. The unload handler will not be
// run a second time, thanks to a check in FrameLoader::stopLoading.
// TODO(creis): Need to add a better way to do this that avoids running the
// beforeunload handler. For now, we just run it a second time silently.
render_view_->NavigateToSwappedOutURL(frame_);
render_view_->RegisterSwappedOutChildFrame(this);
}
Send(new FrameHostMsg_SwapOut_ACK(routing_id_));
}
void RenderFrameImpl::OnBuffersSwapped(
const FrameMsg_BuffersSwapped_Params& params) {
if (!compositing_helper_.get()) {
compositing_helper_ =
ChildFrameCompositingHelper::CreateCompositingHelperForRenderFrame(
frame_, this, routing_id_);
compositing_helper_->EnableCompositing(true);
}
compositing_helper_->OnBuffersSwapped(
params.size,
params.mailbox,
params.gpu_route_id,
params.gpu_host_id,
render_view_->GetWebView()->deviceScaleFactor());
}
void RenderFrameImpl::OnCompositorFrameSwapped(const IPC::Message& message) {
FrameMsg_CompositorFrameSwapped::Param param;
if (!FrameMsg_CompositorFrameSwapped::Read(&message, ¶m))
return;
scoped_ptr<cc::CompositorFrame> frame(new cc::CompositorFrame);
param.a.frame.AssignTo(frame.get());
if (!compositing_helper_.get()) {
compositing_helper_ =
ChildFrameCompositingHelper::CreateCompositingHelperForRenderFrame(
frame_, this, routing_id_);
compositing_helper_->EnableCompositing(true);
}
compositing_helper_->OnCompositorFrameSwapped(frame.Pass(),
param.a.producing_route_id,
param.a.output_surface_id,
param.a.producing_host_id);
}
void RenderFrameImpl::OnContextMenuClosed(
const CustomContextMenuContext& custom_context) {
if (custom_context.request_id) {
// External request, should be in our map.
ContextMenuClient* client =
pending_context_menus_.Lookup(custom_context.request_id);
if (client) {
client->OnMenuClosed(custom_context.request_id);
pending_context_menus_.Remove(custom_context.request_id);
}
} else {
// Internal request, forward to WebKit.
context_menu_node_.reset();
}
}
void RenderFrameImpl::OnCustomContextMenuAction(
const CustomContextMenuContext& custom_context,
unsigned action) {
if (custom_context.request_id) {
// External context menu request, look in our map.
ContextMenuClient* client =
pending_context_menus_.Lookup(custom_context.request_id);
if (client)
client->OnMenuAction(custom_context.request_id, action);
} else {
// Internal request, forward to WebKit.
render_view_->webview()->performCustomContextMenuAction(action);
}
}
void RenderFrameImpl::OnUndo() {
frame_->executeCommand(WebString::fromUTF8("Undo"), GetFocusedElement());
}
void RenderFrameImpl::OnRedo() {
frame_->executeCommand(WebString::fromUTF8("Redo"), GetFocusedElement());
}
void RenderFrameImpl::OnCut() {
base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
frame_->executeCommand(WebString::fromUTF8("Cut"), GetFocusedElement());
}
void RenderFrameImpl::OnCopy() {
base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
WebNode current_node = context_menu_node_.isNull() ?
GetFocusedElement() : context_menu_node_;
frame_->executeCommand(WebString::fromUTF8("Copy"), current_node);
}
void RenderFrameImpl::OnPaste() {
base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
frame_->executeCommand(WebString::fromUTF8("Paste"), GetFocusedElement());
}
void RenderFrameImpl::OnPasteAndMatchStyle() {
base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
frame_->executeCommand(
WebString::fromUTF8("PasteAndMatchStyle"), GetFocusedElement());
}
#if defined(OS_MACOSX)
void RenderFrameImpl::OnCopyToFindPboard() {
// Since the find pasteboard supports only plain text, this can be simpler
// than the |OnCopy()| case.
if (frame_->hasSelection()) {
base::string16 selection = frame_->selectionAsText();
RenderThread::Get()->Send(
new ClipboardHostMsg_FindPboardWriteStringAsync(selection));
}
}
#endif
void RenderFrameImpl::OnDelete() {
frame_->executeCommand(WebString::fromUTF8("Delete"), GetFocusedElement());
}
void RenderFrameImpl::OnSelectAll() {
base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
frame_->executeCommand(WebString::fromUTF8("SelectAll"), GetFocusedElement());
}
void RenderFrameImpl::OnSelectRange(const gfx::Point& start,
const gfx::Point& end) {
// This IPC is dispatched by RenderWidgetHost, so use its routing id.
Send(new ViewHostMsg_SelectRange_ACK(GetRenderWidget()->routing_id()));
base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
frame_->selectRange(start, end);
}
void RenderFrameImpl::OnUnselect() {
base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
frame_->executeCommand(WebString::fromUTF8("Unselect"), GetFocusedElement());
}
void RenderFrameImpl::OnCSSInsertRequest(const std::string& css) {
frame_->document().insertStyleSheet(WebString::fromUTF8(css));
}
void RenderFrameImpl::OnJavaScriptExecuteRequest(
const base::string16& jscript,
int id,
bool notify_result) {
TRACE_EVENT_INSTANT0("test_tracing", "OnJavaScriptExecuteRequest",
TRACE_EVENT_SCOPE_THREAD);
v8::HandleScope handle_scope(v8::Isolate::GetCurrent());
v8::Handle<v8::Value> result =
frame_->executeScriptAndReturnValue(WebScriptSource(jscript));
if (notify_result) {
base::ListValue list;
if (!result.IsEmpty()) {
v8::Local<v8::Context> context = frame_->mainWorldScriptContext();
v8::Context::Scope context_scope(context);
V8ValueConverterImpl converter;
converter.SetDateAllowed(true);
converter.SetRegExpAllowed(true);
base::Value* result_value = converter.FromV8Value(result, context);
list.Set(0, result_value ? result_value : base::Value::CreateNullValue());
} else {
list.Set(0, base::Value::CreateNullValue());
}
Send(new FrameHostMsg_JavaScriptExecuteResponse(routing_id_, id, list));
}
}
void RenderFrameImpl::OnSetEditableSelectionOffsets(int start, int end) {
base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
if (!GetRenderWidget()->ShouldHandleImeEvent())
return;
ImeEventGuard guard(GetRenderWidget());
// TODO(jam): move this method to WebFrame since it uses the focused frame.
render_view_->webview()->setEditableSelectionOffsets(start, end);
}
bool RenderFrameImpl::ShouldUpdateSelectionTextFromContextMenuParams(
const base::string16& selection_text,
size_t selection_text_offset,
const gfx::Range& selection_range,
const ContextMenuParams& params) {
base::string16 trimmed_selection_text;
if (!selection_text.empty() && !selection_range.is_empty()) {
const int start = selection_range.GetMin() - selection_text_offset;
const size_t length = selection_range.length();
if (start >= 0 && start + length <= selection_text.length()) {
base::TrimWhitespace(selection_text.substr(start, length), base::TRIM_ALL,
&trimmed_selection_text);
}
}
base::string16 trimmed_params_text;
base::TrimWhitespace(params.selection_text, base::TRIM_ALL,
&trimmed_params_text);
return trimmed_params_text != trimmed_selection_text;
}
void RenderFrameImpl::DidCommitCompositorFrame() {
if (compositing_helper_)
compositing_helper_->DidCommitCompositorFrame();
}
RenderView* RenderFrameImpl::GetRenderView() {
return render_view_.get();
}
int RenderFrameImpl::GetRoutingID() {
return routing_id_;
}
blink::WebFrame* RenderFrameImpl::GetWebFrame() {
DCHECK(frame_);
return frame_;
}
WebPreferences& RenderFrameImpl::GetWebkitPreferences() {
return render_view_->GetWebkitPreferences();
}
int RenderFrameImpl::ShowContextMenu(ContextMenuClient* client,
const ContextMenuParams& params) {
DCHECK(client); // A null client means "internal" when we issue callbacks.
ContextMenuParams our_params(params);
our_params.custom_context.request_id = pending_context_menus_.Add(client);
Send(new FrameHostMsg_ContextMenu(routing_id_, our_params));
return our_params.custom_context.request_id;
}
void RenderFrameImpl::CancelContextMenu(int request_id) {
DCHECK(pending_context_menus_.Lookup(request_id));
pending_context_menus_.Remove(request_id);
}
blink::WebNode RenderFrameImpl::GetContextMenuNode() const {
return context_menu_node_;
}
blink::WebPlugin* RenderFrameImpl::CreatePlugin(
blink::WebFrame* frame,
const WebPluginInfo& info,
const blink::WebPluginParams& params) {
DCHECK_EQ(frame_, frame);
#if defined(ENABLE_PLUGINS)
bool pepper_plugin_was_registered = false;
scoped_refptr<PluginModule> pepper_module(PluginModule::Create(
this, info, &pepper_plugin_was_registered));
if (pepper_plugin_was_registered) {
if (pepper_module.get()) {
return new PepperWebPluginImpl(pepper_module.get(), params, this);
}
}
#if defined(OS_CHROMEOS)
LOG(WARNING) << "Pepper module/plugin creation failed.";
return NULL;
#else
// TODO(jam): change to take RenderFrame.
return new WebPluginImpl(frame, params, info.path, render_view_, this);
#endif
#else
return NULL;
#endif
}
void RenderFrameImpl::LoadURLExternally(
blink::WebFrame* frame,
const blink::WebURLRequest& request,
blink::WebNavigationPolicy policy) {
DCHECK(!frame_ || frame_ == frame);
loadURLExternally(frame, request, policy);
}
void RenderFrameImpl::ExecuteJavaScript(const base::string16& javascript) {
OnJavaScriptExecuteRequest(javascript, 0, false);
}
void RenderFrameImpl::OnChildFrameProcessGone() {
if (compositing_helper_)
compositing_helper_->ChildFrameGone();
}
// blink::WebFrameClient implementation ----------------------------------------
blink::WebPlugin* RenderFrameImpl::createPlugin(
blink::WebFrame* frame,
const blink::WebPluginParams& params) {
DCHECK_EQ(frame_, frame);
blink::WebPlugin* plugin = NULL;
if (GetContentClient()->renderer()->OverrideCreatePlugin(
this, frame, params, &plugin)) {
return plugin;
}
if (base::UTF16ToASCII(params.mimeType) == kBrowserPluginMimeType) {
return render_view_->GetBrowserPluginManager()->CreateBrowserPlugin(
render_view_.get(), frame);
}
#if defined(ENABLE_PLUGINS)
WebPluginInfo info;
std::string mime_type;
bool found = false;
Send(new FrameHostMsg_GetPluginInfo(
routing_id_, params.url, frame->top()->document().url(),
params.mimeType.utf8(), &found, &info, &mime_type));
if (!found)
return NULL;
WebPluginParams params_to_use = params;
params_to_use.mimeType = WebString::fromUTF8(mime_type);
return CreatePlugin(frame, info, params_to_use);
#else
return NULL;
#endif // defined(ENABLE_PLUGINS)
}
blink::WebMediaPlayer* RenderFrameImpl::createMediaPlayer(
blink::WebFrame* frame,
const blink::WebURL& url,
blink::WebMediaPlayerClient* client) {
DCHECK(!frame_ || frame_ == frame);
// TODO(nasko): Moving the implementation here involves moving a few media
// related client objects here or referencing them in the RenderView. Needs
// more work to understand where the proper place for those objects is.
return render_view_->CreateMediaPlayer(this, frame, url, client);
}
blink::WebContentDecryptionModule*
RenderFrameImpl::createContentDecryptionModule(
blink::WebFrame* frame,
const blink::WebSecurityOrigin& security_origin,
const blink::WebString& key_system) {
DCHECK(!frame_ || frame_ == frame);
return WebContentDecryptionModuleImpl::Create(
frame, security_origin, key_system);
}
blink::WebApplicationCacheHost* RenderFrameImpl::createApplicationCacheHost(
blink::WebFrame* frame,
blink::WebApplicationCacheHostClient* client) {
if (!frame || !frame->view())
return NULL;
DCHECK(!frame_ || frame_ == frame);
return new RendererWebApplicationCacheHostImpl(
RenderViewImpl::FromWebView(frame->view()), client,
RenderThreadImpl::current()->appcache_dispatcher()->backend_proxy());
}
blink::WebWorkerPermissionClientProxy*
RenderFrameImpl::createWorkerPermissionClientProxy(blink::WebFrame* frame) {
if (!frame || !frame->view())
return NULL;
DCHECK(!frame_ || frame_ == frame);
return GetContentClient()->renderer()->CreateWorkerPermissionClientProxy(
this, frame);
}
blink::WebCookieJar* RenderFrameImpl::cookieJar(blink::WebFrame* frame) {
DCHECK(!frame_ || frame_ == frame);
return &cookie_jar_;
}
blink::WebServiceWorkerProvider* RenderFrameImpl::createServiceWorkerProvider(
blink::WebFrame* frame) {
DCHECK(!frame_ || frame_ == frame);
// At this point we should have non-null data source.
DCHECK(frame->dataSource());
ServiceWorkerNetworkProvider* provider =
ServiceWorkerNetworkProvider::FromDocumentState(
DocumentState::FromDataSource(frame->dataSource()));
int provider_id = provider ?
provider->provider_id() :
kInvalidServiceWorkerProviderId;
return new WebServiceWorkerProviderImpl(
ChildThread::current()->thread_safe_sender(), provider_id);
}
void RenderFrameImpl::didAccessInitialDocument(blink::WebFrame* frame) {
DCHECK(!frame_ || frame_ == frame);
render_view_->didAccessInitialDocument(frame);
}
blink::WebFrame* RenderFrameImpl::createChildFrame(
blink::WebFrame* parent,
const blink::WebString& name) {
// Synchronously notify the browser of a child frame creation to get the
// routing_id for the RenderFrame.
int child_routing_id = MSG_ROUTING_NONE;
Send(new FrameHostMsg_CreateChildFrame(routing_id_,
base::UTF16ToUTF8(name),
&child_routing_id));
// Allocation of routing id failed, so we can't create a child frame. This can
// happen if this RenderFrameImpl's IPCs are being filtered when in swapped
// out state.
if (child_routing_id == MSG_ROUTING_NONE) {
base::debug::Alias(parent);
base::debug::Alias(&routing_id_);
bool render_view_is_swapped_out = GetRenderWidget()->is_swapped_out();
base::debug::Alias(&render_view_is_swapped_out);
bool render_view_is_closing = GetRenderWidget()->closing();
base::debug::Alias(&render_view_is_closing);
base::debug::Alias(&is_swapped_out_);
base::debug::DumpWithoutCrashing();
return NULL;
}
RenderFrameImpl* child_render_frame = RenderFrameImpl::Create(
render_view_.get(), child_routing_id);
blink::WebFrame* web_frame = WebFrame::create(child_render_frame);
parent->appendChild(web_frame);
child_render_frame->SetWebFrame(web_frame);
return web_frame;
}
void RenderFrameImpl::didDisownOpener(blink::WebFrame* frame) {
DCHECK(!frame_ || frame_ == frame);
render_view_->didDisownOpener(frame);
}
void RenderFrameImpl::frameDetached(blink::WebFrame* frame) {
// NOTE: This function is called on the frame that is being detached and not
// the parent frame. This is different from createChildFrame() which is
// called on the parent frame.
CHECK(!is_detaching_);
DCHECK(!frame_ || frame_ == frame);
bool is_subframe = !!frame->parent();
Send(new FrameHostMsg_Detach(routing_id_));
render_view_->UnregisterSwappedOutChildFrame(this);
// The |is_detaching_| flag disables Send(). FrameHostMsg_Detach must be
// sent before setting |is_detaching_| to true. In contrast, Observers
// should only be notified afterwards so they cannot call back into here and
// have IPCs fired off.
is_detaching_ = true;
// Call back to RenderViewImpl for observers to be notified.
// TODO(nasko): Remove once we have RenderFrameObserver.
render_view_->frameDetached(frame);
// We need to clean up subframes by removing them from the map and deleting
// the RenderFrameImpl. In contrast, the main frame is owned by its
// containing RenderViewHost (so that they have the same lifetime), so only
// removal from the map is needed and no deletion.
FrameMap::iterator it = g_frame_map.Get().find(frame);
CHECK(it != g_frame_map.Get().end());
CHECK_EQ(it->second, this);
g_frame_map.Get().erase(it);
if (is_subframe)
frame->parent()->removeChild(frame);
// |frame| is invalid after here.
frame->close();
if (is_subframe) {
delete this;
// Object is invalid after this point.
}
}
void RenderFrameImpl::frameFocused() {
Send(new FrameHostMsg_FrameFocused(routing_id_));
}
void RenderFrameImpl::willClose(blink::WebFrame* frame) {
DCHECK(!frame_ || frame_ == frame);
// Call back to RenderViewImpl for observers to be notified.
// TODO(nasko): Remove once we have RenderFrameObserver.
render_view_->willClose(frame);
}
void RenderFrameImpl::didChangeName(blink::WebFrame* frame,
const blink::WebString& name) {
DCHECK(!frame_ || frame_ == frame);
if (!render_view_->renderer_preferences_.report_frame_name_changes)
return;
render_view_->Send(
new ViewHostMsg_UpdateFrameName(render_view_->GetRoutingID(),
routing_id_,
!frame->parent(),
base::UTF16ToUTF8(name)));
}
void RenderFrameImpl::didMatchCSS(
blink::WebFrame* frame,
const blink::WebVector<blink::WebString>& newly_matching_selectors,
const blink::WebVector<blink::WebString>& stopped_matching_selectors) {
DCHECK(!frame_ || frame_ == frame);
render_view_->didMatchCSS(
frame, newly_matching_selectors, stopped_matching_selectors);
}
void RenderFrameImpl::loadURLExternally(blink::WebFrame* frame,
const blink::WebURLRequest& request,
blink::WebNavigationPolicy policy) {
DCHECK(!frame_ || frame_ == frame);
loadURLExternally(frame, request, policy, WebString());
}
void RenderFrameImpl::loadURLExternally(
blink::WebFrame* frame,
const blink::WebURLRequest& request,
blink::WebNavigationPolicy policy,
const blink::WebString& suggested_name) {
DCHECK(!frame_ || frame_ == frame);
Referrer referrer(RenderViewImpl::GetReferrerFromRequest(frame, request));
if (policy == blink::WebNavigationPolicyDownload) {
render_view_->Send(new ViewHostMsg_DownloadUrl(render_view_->GetRoutingID(),
request.url(), referrer,
suggested_name));
} else {
OpenURL(frame, request.url(), referrer, policy);
}
}
blink::WebNavigationPolicy RenderFrameImpl::decidePolicyForNavigation(
blink::WebFrame* frame,
blink::WebDataSource::ExtraData* extra_data,
const blink::WebURLRequest& request,
blink::WebNavigationType type,
blink::WebNavigationPolicy default_policy,
bool is_redirect) {
DCHECK(!frame_ || frame_ == frame);
return DecidePolicyForNavigation(
this, frame, extra_data, request, type, default_policy, is_redirect);
}
blink::WebNavigationPolicy RenderFrameImpl::decidePolicyForNavigation(
blink::WebFrame* frame,
const blink::WebURLRequest& request,
blink::WebNavigationType type,
blink::WebNavigationPolicy default_policy,
bool is_redirect) {
DCHECK(!frame_ || frame_ == frame);
return decidePolicyForNavigation(frame,
frame->provisionalDataSource()->extraData(),
request, type, default_policy, is_redirect);
}
void RenderFrameImpl::willSendSubmitEvent(blink::WebFrame* frame,
const blink::WebFormElement& form) {
DCHECK(!frame_ || frame_ == frame);
// Call back to RenderViewImpl for observers to be notified.
// TODO(nasko): Remove once we have RenderFrameObserver.
render_view_->willSendSubmitEvent(frame, form);
}
void RenderFrameImpl::willSubmitForm(blink::WebFrame* frame,
const blink::WebFormElement& form) {
DCHECK(!frame_ || frame_ == frame);
DocumentState* document_state =
DocumentState::FromDataSource(frame->provisionalDataSource());
NavigationState* navigation_state = document_state->navigation_state();
InternalDocumentStateData* internal_data =
InternalDocumentStateData::FromDocumentState(document_state);
if (PageTransitionCoreTypeIs(navigation_state->transition_type(),
PAGE_TRANSITION_LINK)) {
navigation_state->set_transition_type(PAGE_TRANSITION_FORM_SUBMIT);
}
// Save these to be processed when the ensuing navigation is committed.
WebSearchableFormData web_searchable_form_data(form);
internal_data->set_searchable_form_url(web_searchable_form_data.url());
internal_data->set_searchable_form_encoding(
web_searchable_form_data.encoding().utf8());
// Call back to RenderViewImpl for observers to be notified.
// TODO(nasko): Remove once we have RenderFrameObserver.
render_view_->willSubmitForm(frame, form);
}
void RenderFrameImpl::didCreateDataSource(blink::WebFrame* frame,
blink::WebDataSource* datasource) {
DCHECK(!frame_ || frame_ == frame);
// TODO(nasko): Move implementation here. Needed state:
// * pending_navigation_params_
// * webview
// Needed methods:
// * PopulateDocumentStateFromPending
// * CreateNavigationStateFromPending
render_view_->didCreateDataSource(frame, datasource);
// Create the serviceworker's per-document network observing object.
scoped_ptr<ServiceWorkerNetworkProvider>
network_provider(new ServiceWorkerNetworkProvider());
ServiceWorkerNetworkProvider::AttachToDocumentState(
DocumentState::FromDataSource(datasource),
network_provider.Pass());
}
void RenderFrameImpl::didStartProvisionalLoad(blink::WebFrame* frame) {
DCHECK(!frame_ || frame_ == frame);
WebDataSource* ds = frame->provisionalDataSource();
// In fast/loader/stop-provisional-loads.html, we abort the load before this
// callback is invoked.
if (!ds)
return;
DocumentState* document_state = DocumentState::FromDataSource(ds);
// We should only navigate to swappedout:// when is_swapped_out_ is true.
CHECK((ds->request().url() != GURL(kSwappedOutURL)) ||
is_swapped_out_ ||
render_view_->is_swapped_out()) <<
"Heard swappedout:// when not swapped out.";
// Update the request time if WebKit has better knowledge of it.
if (document_state->request_time().is_null()) {
double event_time = ds->triggeringEventTime();
if (event_time != 0.0)
document_state->set_request_time(Time::FromDoubleT(event_time));
}
// Start time is only set after request time.
document_state->set_start_load_time(Time::Now());
bool is_top_most = !frame->parent();
if (is_top_most) {
render_view_->set_navigation_gesture(
WebUserGestureIndicator::isProcessingUserGesture() ?
NavigationGestureUser : NavigationGestureAuto);
} else if (ds->replacesCurrentHistoryItem()) {
// Subframe navigations that don't add session history items must be
// marked with AUTO_SUBFRAME. See also didFailProvisionalLoad for how we
// handle loading of error pages.
document_state->navigation_state()->set_transition_type(
PAGE_TRANSITION_AUTO_SUBFRAME);
}
FOR_EACH_OBSERVER(
RenderViewObserver, render_view_->observers(),
DidStartProvisionalLoad(frame));
FOR_EACH_OBSERVER(
RenderFrameObserver, observers_,
DidStartProvisionalLoad());
int parent_routing_id = frame->parent() ?
FromWebFrame(frame->parent())->GetRoutingID() : -1;
Send(new FrameHostMsg_DidStartProvisionalLoadForFrame(
routing_id_, parent_routing_id, ds->request().url()));
}
void RenderFrameImpl::didReceiveServerRedirectForProvisionalLoad(
blink::WebFrame* frame) {
DCHECK(!frame_ || frame_ == frame);
if (frame->parent())
return;
// Received a redirect on the main frame.
WebDataSource* data_source = frame->provisionalDataSource();
if (!data_source) {
// Should only be invoked when we have a data source.
NOTREACHED();
return;
}
std::vector<GURL> redirects;
GetRedirectChain(data_source, &redirects);
if (redirects.size() >= 2) {
Send(new FrameHostMsg_DidRedirectProvisionalLoad(
routing_id_,
render_view_->page_id_,
redirects[redirects.size() - 2],
redirects.back()));
}
}
void RenderFrameImpl::didFailProvisionalLoad(
blink::WebFrame* frame,
const blink::WebURLError& error) {
DCHECK(!frame_ || frame_ == frame);
WebDataSource* ds = frame->provisionalDataSource();
DCHECK(ds);
const WebURLRequest& failed_request = ds->request();
// Call out to RenderViewImpl, so observers are notified.
render_view_->didFailProvisionalLoad(frame, error);
FOR_EACH_OBSERVER(RenderFrameObserver, observers_,
DidFailProvisionalLoad(error));
bool show_repost_interstitial =
(error.reason == net::ERR_CACHE_MISS &&
EqualsASCII(failed_request.httpMethod(), "POST"));
FrameHostMsg_DidFailProvisionalLoadWithError_Params params;
params.frame_unique_name = frame->uniqueName();
params.error_code = error.reason;
GetContentClient()->renderer()->GetNavigationErrorStrings(
render_view_.get(),
frame,
failed_request,
error,
NULL,
¶ms.error_description);
params.url = error.unreachableURL;
params.showing_repost_interstitial = show_repost_interstitial;
Send(new FrameHostMsg_DidFailProvisionalLoadWithError(
routing_id_, params));
// Don't display an error page if this is simply a cancelled load. Aside
// from being dumb, WebCore doesn't expect it and it will cause a crash.
if (error.reason == net::ERR_ABORTED)
return;
// Don't display "client blocked" error page if browser has asked us not to.
if (error.reason == net::ERR_BLOCKED_BY_CLIENT &&
render_view_->renderer_preferences_.disable_client_blocked_error_page) {
return;
}
// Allow the embedder to suppress an error page.
if (GetContentClient()->renderer()->ShouldSuppressErrorPage(this,
error.unreachableURL)) {
return;
}
if (RenderThreadImpl::current() &&
RenderThreadImpl::current()->layout_test_mode()) {
return;
}
// Make sure we never show errors in view source mode.
frame->enableViewSourceMode(false);
DocumentState* document_state = DocumentState::FromDataSource(ds);
NavigationState* navigation_state = document_state->navigation_state();
// If this is a failed back/forward/reload navigation, then we need to do a
// 'replace' load. This is necessary to avoid messing up session history.
// Otherwise, we do a normal load, which simulates a 'go' navigation as far
// as session history is concerned.
//
// AUTO_SUBFRAME loads should always be treated as loads that do not advance
// the page id.
//
// TODO(davidben): This should also take the failed navigation's replacement
// state into account, if a location.replace() failed.
bool replace =
navigation_state->pending_page_id() != -1 ||
PageTransitionCoreTypeIs(navigation_state->transition_type(),
PAGE_TRANSITION_AUTO_SUBFRAME);
// If we failed on a browser initiated request, then make sure that our error
// page load is regarded as the same browser initiated request.
if (!navigation_state->is_content_initiated()) {
render_view_->pending_navigation_params_.reset(
new FrameMsg_Navigate_Params);
render_view_->pending_navigation_params_->page_id =
navigation_state->pending_page_id();
render_view_->pending_navigation_params_->pending_history_list_offset =
navigation_state->pending_history_list_offset();
render_view_->pending_navigation_params_->should_clear_history_list =
navigation_state->history_list_was_cleared();
render_view_->pending_navigation_params_->transition =
navigation_state->transition_type();
render_view_->pending_navigation_params_->request_time =
document_state->request_time();
render_view_->pending_navigation_params_->should_replace_current_entry =
replace;
}
// Load an error page.
render_view_->LoadNavigationErrorPage(
frame, failed_request, error, replace);
}
void RenderFrameImpl::didCommitProvisionalLoad(blink::WebFrame* frame,
bool is_new_navigation) {
DCHECK(!frame_ || frame_ == frame);
DocumentState* document_state =
DocumentState::FromDataSource(frame->dataSource());
NavigationState* navigation_state = document_state->navigation_state();
InternalDocumentStateData* internal_data =
InternalDocumentStateData::FromDocumentState(document_state);
if (document_state->commit_load_time().is_null())
document_state->set_commit_load_time(Time::Now());
if (internal_data->must_reset_scroll_and_scale_state()) {
render_view_->webview()->resetScrollAndScaleState();
internal_data->set_must_reset_scroll_and_scale_state(false);
}
internal_data->set_use_error_page(false);
if (is_new_navigation) {
// When we perform a new navigation, we need to update the last committed
// session history entry with state for the page we are leaving.
render_view_->UpdateSessionHistory(frame);
// We bump our Page ID to correspond with the new session history entry.
render_view_->page_id_ = render_view_->next_page_id_++;
// Don't update history_page_ids_ (etc) for kSwappedOutURL, since
// we don't want to forget the entry that was there, and since we will
// never come back to kSwappedOutURL. Note that we have to call
// UpdateSessionHistory and update page_id_ even in this case, so that
// the current entry gets a state update and so that we don't send a
// state update to the wrong entry when we swap back in.
if (render_view_->GetLoadingUrl(frame) != GURL(kSwappedOutURL)) {
// Advance our offset in session history, applying the length limit.
// There is now no forward history.
render_view_->history_list_offset_++;
if (render_view_->history_list_offset_ >= kMaxSessionHistoryEntries)
render_view_->history_list_offset_ = kMaxSessionHistoryEntries - 1;
render_view_->history_list_length_ =
render_view_->history_list_offset_ + 1;
render_view_->history_page_ids_.resize(
render_view_->history_list_length_, -1);
render_view_->history_page_ids_[render_view_->history_list_offset_] =
render_view_->page_id_;
}
} else {
// Inspect the navigation_state on this frame to see if the navigation
// corresponds to a session history navigation... Note: |frame| may or
// may not be the toplevel frame, but for the case of capturing session
// history, the first committed frame suffices. We keep track of whether
// we've seen this commit before so that only capture session history once
// per navigation.
//
// Note that we need to check if the page ID changed. In the case of a
// reload, the page ID doesn't change, and UpdateSessionHistory gets the
// previous URL and the current page ID, which would be wrong.
if (navigation_state->pending_page_id() != -1 &&
navigation_state->pending_page_id() != render_view_->page_id_ &&
!navigation_state->request_committed()) {
// This is a successful session history navigation!
render_view_->UpdateSessionHistory(frame);
render_view_->page_id_ = navigation_state->pending_page_id();
render_view_->history_list_offset_ =
navigation_state->pending_history_list_offset();
// If the history list is valid, our list of page IDs should be correct.
DCHECK(render_view_->history_list_length_ <= 0 ||
render_view_->history_list_offset_ < 0 ||
render_view_->history_list_offset_ >=
render_view_->history_list_length_ ||
render_view_->history_page_ids_[render_view_->history_list_offset_]
== render_view_->page_id_);
}
}
render_view_->didCommitProvisionalLoad(frame, is_new_navigation);
FOR_EACH_OBSERVER(RenderFrameObserver, observers_,
DidCommitProvisionalLoad(is_new_navigation));
// Remember that we've already processed this request, so we don't update
// the session history again. We do this regardless of whether this is
// a session history navigation, because if we attempted a session history
// navigation without valid HistoryItem state, WebCore will think it is a
// new navigation.
navigation_state->set_request_committed(true);
UpdateURL(frame);
// Check whether we have new encoding name.
render_view_->UpdateEncoding(frame, frame->view()->pageEncoding().utf8());
}
void RenderFrameImpl::didClearWindowObject(blink::WebFrame* frame,
int world_id) {
DCHECK(!frame_ || frame_ == frame);
// TODO(nasko): Move implementation here. Needed state:
// * enabled_bindings_
// * dom_automation_controller_
// * stats_collection_controller_
render_view_->didClearWindowObject(frame, world_id);
// Only install controllers into the main world.
if (world_id)
return;
if (render_view_->GetEnabledBindings() & BINDINGS_POLICY_DOM_AUTOMATION)
DomAutomationController::Install(this, frame);
FOR_EACH_OBSERVER(RenderFrameObserver, observers_,
DidClearWindowObject(world_id));
}
void RenderFrameImpl::didCreateDocumentElement(blink::WebFrame* frame) {
DCHECK(!frame_ || frame_ == frame);
// Notify the browser about non-blank documents loading in the top frame.
GURL url = frame->document().url();
if (url.is_valid() && url.spec() != kAboutBlankURL) {
// TODO(nasko): Check if webview()->mainFrame() is the same as the
// frame->tree()->top().
if (frame == render_view_->webview()->mainFrame()) {
render_view_->Send(new ViewHostMsg_DocumentAvailableInMainFrame(
render_view_->GetRoutingID()));
}
}
// Call back to RenderViewImpl for observers to be notified.
// TODO(nasko): Remove once we have RenderFrameObserver.
render_view_->didCreateDocumentElement(frame);
}
void RenderFrameImpl::didReceiveTitle(blink::WebFrame* frame,
const blink::WebString& title,
blink::WebTextDirection direction) {
DCHECK(!frame_ || frame_ == frame);
// TODO(nasko): Investigate wheather implementation should move here.
render_view_->didReceiveTitle(frame, title, direction);
}
void RenderFrameImpl::didChangeIcon(blink::WebFrame* frame,
blink::WebIconURL::Type icon_type) {
DCHECK(!frame_ || frame_ == frame);
// TODO(nasko): Investigate wheather implementation should move here.
render_view_->didChangeIcon(frame, icon_type);
}
void RenderFrameImpl::didFinishDocumentLoad(blink::WebFrame* frame) {
DCHECK(!frame_ || frame_ == frame);
WebDataSource* ds = frame->dataSource();
DocumentState* document_state = DocumentState::FromDataSource(ds);
document_state->set_finish_document_load_time(Time::Now());
Send(new FrameHostMsg_DidFinishDocumentLoad(routing_id_));
// Call back to RenderViewImpl for observers to be notified.
// TODO(nasko): Remove once we have RenderFrameObserver for this method.
render_view_->didFinishDocumentLoad(frame);
// Check whether we have new encoding name.
render_view_->UpdateEncoding(frame, frame->view()->pageEncoding().utf8());
}
void RenderFrameImpl::didHandleOnloadEvents(blink::WebFrame* frame) {
DCHECK(!frame_ || frame_ == frame);
// TODO(nasko): Move implementation here. Needed state:
// * page_id_
render_view_->didHandleOnloadEvents(frame);
}
void RenderFrameImpl::didFailLoad(blink::WebFrame* frame,
const blink::WebURLError& error) {
DCHECK(!frame_ || frame_ == frame);
// TODO(nasko): Move implementation here. No state needed.
WebDataSource* ds = frame->dataSource();
DCHECK(ds);
render_view_->didFailLoad(frame, error);
const WebURLRequest& failed_request = ds->request();
base::string16 error_description;
GetContentClient()->renderer()->GetNavigationErrorStrings(
render_view_.get(),
frame,
failed_request,
error,
NULL,
&error_description);
Send(new FrameHostMsg_DidFailLoadWithError(routing_id_,
failed_request.url(),
error.reason,
error_description));
}
void RenderFrameImpl::didFinishLoad(blink::WebFrame* frame) {
DCHECK(!frame_ || frame_ == frame);
WebDataSource* ds = frame->dataSource();
DocumentState* document_state = DocumentState::FromDataSource(ds);
if (document_state->finish_load_time().is_null()) {
if (!frame->parent()) {
TRACE_EVENT_INSTANT0("WebCore", "LoadFinished",
TRACE_EVENT_SCOPE_PROCESS);
}
document_state->set_finish_load_time(Time::Now());
}
render_view_->didFinishLoad(frame);
FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidFinishLoad());
// Don't send this message while the frame is swapped out.
if (is_swapped_out())
return;
Send(new FrameHostMsg_DidFinishLoad(routing_id_,
ds->request().url()));
}
void RenderFrameImpl::didNavigateWithinPage(blink::WebFrame* frame,
bool is_new_navigation) {
DCHECK(!frame_ || frame_ == frame);
// If this was a reference fragment navigation that we initiated, then we
// could end up having a non-null pending navigation params. We just need to
// update the ExtraData on the datasource so that others who read the
// ExtraData will get the new NavigationState. Similarly, if we did not
// initiate this navigation, then we need to take care to reset any pre-
// existing navigation state to a content-initiated navigation state.
// DidCreateDataSource conveniently takes care of this for us.
didCreateDataSource(frame, frame->dataSource());
DocumentState* document_state =
DocumentState::FromDataSource(frame->dataSource());
NavigationState* new_state = document_state->navigation_state();
new_state->set_was_within_same_page(true);
didCommitProvisionalLoad(frame, is_new_navigation);
}
void RenderFrameImpl::didUpdateCurrentHistoryItem(blink::WebFrame* frame) {
DCHECK(!frame_ || frame_ == frame);
// TODO(nasko): Move implementation here. Needed methods:
// * StartNavStateSyncTimerIfNecessary
render_view_->didUpdateCurrentHistoryItem(frame);
}
void RenderFrameImpl::didChangeSelection(bool is_empty_selection) {
if (!GetRenderWidget()->handling_input_event() && !handling_select_range_)
return;
if (is_empty_selection)
selection_text_.clear();
// UpdateTextInputType should be called before SyncSelectionIfRequired.
// UpdateTextInputType may send TextInputTypeChanged to notify the focus
// was changed, and SyncSelectionIfRequired may send SelectionChanged
// to notify the selection was changed. Focus change should be notified
// before selection change.
GetRenderWidget()->UpdateTextInputType();
SyncSelectionIfRequired();
#if defined(OS_ANDROID)
GetRenderWidget()->UpdateTextInputState(false, true);
#endif
}
void RenderFrameImpl::showContextMenu(const blink::WebContextMenuData& data) {
ContextMenuParams params = ContextMenuParamsBuilder::Build(data);
params.source_type = GetRenderWidget()->context_menu_source_type();
if (params.source_type == ui::MENU_SOURCE_TOUCH_EDIT_MENU) {
params.x = GetRenderWidget()->touch_editing_context_menu_location().x();
params.y = GetRenderWidget()->touch_editing_context_menu_location().y();
}
GetRenderWidget()->OnShowHostContextMenu(¶ms);
// Plugins, e.g. PDF, don't currently update the render view when their
// selected text changes, but the context menu params do contain the updated
// selection. If that's the case, update the render view's state just prior
// to showing the context menu.
// TODO(asvitkine): http://crbug.com/152432
if (ShouldUpdateSelectionTextFromContextMenuParams(
selection_text_, selection_text_offset_, selection_range_, params)) {
selection_text_ = params.selection_text;
// TODO(asvitkine): Text offset and range is not available in this case.
selection_text_offset_ = 0;
selection_range_ = gfx::Range(0, selection_text_.length());
// This IPC is dispatched by RenderWidetHost, so use its routing ID.
Send(new ViewHostMsg_SelectionChanged(
GetRenderWidget()->routing_id(), selection_text_,
selection_text_offset_, selection_range_));
}
// Serializing a GURL longer than kMaxURLChars will fail, so don't do
// it. We replace it with an empty GURL so the appropriate items are disabled
// in the context menu.
// TODO(jcivelli): http://crbug.com/45160 This prevents us from saving large
// data encoded images. We should have a way to save them.
if (params.src_url.spec().size() > GetMaxURLChars())
params.src_url = GURL();
context_menu_node_ = data.node;
#if defined(OS_ANDROID)
gfx::Rect start_rect;
gfx::Rect end_rect;
render_view_->GetSelectionBounds(&start_rect, &end_rect);
params.selection_start = gfx::Point(start_rect.x(), start_rect.bottom());
params.selection_end = gfx::Point(end_rect.right(), end_rect.bottom());
#endif
Send(new FrameHostMsg_ContextMenu(routing_id_, params));
}
void RenderFrameImpl::clearContextMenu() {
context_menu_node_.reset();
}
void RenderFrameImpl::willRequestAfterPreconnect(
blink::WebFrame* frame,
blink::WebURLRequest& request) {
DCHECK(!frame_ || frame_ == frame);
// FIXME(kohei): This will never be set.
WebString custom_user_agent;
DCHECK(!request.extraData());
bool was_after_preconnect_request = true;
// The args after |was_after_preconnect_request| are not used, and set to
// correct values at |willSendRequest|.
RequestExtraData* extra_data = new RequestExtraData();
extra_data->set_custom_user_agent(custom_user_agent);
extra_data->set_was_after_preconnect_request(was_after_preconnect_request);
request.setExtraData(extra_data);
}
void RenderFrameImpl::willSendRequest(
blink::WebFrame* frame,
unsigned identifier,
blink::WebURLRequest& request,
const blink::WebURLResponse& redirect_response) {
DCHECK(!frame_ || frame_ == frame);
// The request my be empty during tests.
if (request.url().isEmpty())
return;
WebFrame* top_frame = frame->top();
if (!top_frame)
top_frame = frame;
WebDataSource* provisional_data_source = top_frame->provisionalDataSource();
WebDataSource* top_data_source = top_frame->dataSource();
WebDataSource* data_source =
provisional_data_source ? provisional_data_source : top_data_source;
PageTransition transition_type = PAGE_TRANSITION_LINK;
DocumentState* document_state = DocumentState::FromDataSource(data_source);
DCHECK(document_state);
InternalDocumentStateData* internal_data =
InternalDocumentStateData::FromDocumentState(document_state);
NavigationState* navigation_state = document_state->navigation_state();
transition_type = navigation_state->transition_type();
GURL request_url(request.url());
GURL new_url;
if (GetContentClient()->renderer()->WillSendRequest(
frame,
transition_type,
request_url,
request.firstPartyForCookies(),
&new_url)) {
request.setURL(WebURL(new_url));
}
if (internal_data->is_cache_policy_override_set())
request.setCachePolicy(internal_data->cache_policy_override());
// The request's extra data may indicate that we should set a custom user
// agent. This needs to be done here, after WebKit is through with setting the
// user agent on its own.
WebString custom_user_agent;
bool was_after_preconnect_request = false;
if (request.extraData()) {
RequestExtraData* old_extra_data =
static_cast<RequestExtraData*>(
request.extraData());
custom_user_agent = old_extra_data->custom_user_agent();
was_after_preconnect_request =
old_extra_data->was_after_preconnect_request();
if (!custom_user_agent.isNull()) {
if (custom_user_agent.isEmpty())
request.clearHTTPHeaderField("User-Agent");
else
request.setHTTPHeaderField("User-Agent", custom_user_agent);
}
}
// Attach |should_replace_current_entry| state to requests so that, should
// this navigation later require a request transfer, all state is preserved
// when it is re-created in the new process.
bool should_replace_current_entry = false;
if (navigation_state->is_content_initiated()) {
should_replace_current_entry = data_source->replacesCurrentHistoryItem();
} else {
// If the navigation is browser-initiated, the NavigationState contains the
// correct value instead of the WebDataSource.
//
// TODO(davidben): Avoid this awkward duplication of state. See comment on
// NavigationState::should_replace_current_entry().
should_replace_current_entry =
navigation_state->should_replace_current_entry();
}
int provider_id = kInvalidServiceWorkerProviderId;
if (request.targetType() == blink::WebURLRequest::TargetIsMainFrame ||
request.targetType() == blink::WebURLRequest::TargetIsSubframe) {
// |provisionalDataSource| may be null in some content::ResourceFetcher
// use cases, we don't hook those requests.
if (frame->provisionalDataSource()) {
ServiceWorkerNetworkProvider* provider =
ServiceWorkerNetworkProvider::FromDocumentState(
DocumentState::FromDataSource(frame->provisionalDataSource()));
provider_id = provider->provider_id();
}
} else if (frame->dataSource()) {
ServiceWorkerNetworkProvider* provider =
ServiceWorkerNetworkProvider::FromDocumentState(
DocumentState::FromDataSource(frame->dataSource()));
provider_id = provider->provider_id();
}
int parent_routing_id = frame->parent() ?
FromWebFrame(frame->parent())->GetRoutingID() : -1;
RequestExtraData* extra_data = new RequestExtraData();
extra_data->set_visibility_state(render_view_->visibilityState());
extra_data->set_custom_user_agent(custom_user_agent);
extra_data->set_was_after_preconnect_request(was_after_preconnect_request);
extra_data->set_render_frame_id(routing_id_);
extra_data->set_is_main_frame(frame == top_frame);
extra_data->set_frame_origin(
GURL(frame->document().securityOrigin().toString()));
extra_data->set_parent_is_main_frame(frame->parent() == top_frame);
extra_data->set_parent_render_frame_id(parent_routing_id);
extra_data->set_allow_download(navigation_state->allow_download());
extra_data->set_transition_type(transition_type);
extra_data->set_should_replace_current_entry(should_replace_current_entry);
extra_data->set_transferred_request_child_id(
navigation_state->transferred_request_child_id());
extra_data->set_transferred_request_request_id(
navigation_state->transferred_request_request_id());
extra_data->set_service_worker_provider_id(provider_id);
request.setExtraData(extra_data);
DocumentState* top_document_state =
DocumentState::FromDataSource(top_data_source);
if (top_document_state) {
// TODO(gavinp): separate out prefetching and prerender field trials
// if the rel=prerender rel type is sticking around.
if (request.targetType() == WebURLRequest::TargetIsPrefetch)
top_document_state->set_was_prefetcher(true);
if (was_after_preconnect_request)
top_document_state->set_was_after_preconnect_request(true);
}
// This is an instance where we embed a copy of the routing id
// into the data portion of the message. This can cause problems if we
// don't register this id on the browser side, since the download manager
// expects to find a RenderViewHost based off the id.
request.setRequestorID(render_view_->GetRoutingID());
request.setHasUserGesture(WebUserGestureIndicator::isProcessingUserGesture());
if (!navigation_state->extra_headers().empty()) {
for (net::HttpUtil::HeadersIterator i(
navigation_state->extra_headers().begin(),
navigation_state->extra_headers().end(), "\n");
i.GetNext(); ) {
if (LowerCaseEqualsASCII(i.name(), "referer")) {
WebString referrer = WebSecurityPolicy::generateReferrerHeader(
blink::WebReferrerPolicyDefault,
request.url(),
WebString::fromUTF8(i.values()));
request.setHTTPReferrer(referrer, blink::WebReferrerPolicyDefault);
} else {
request.setHTTPHeaderField(WebString::fromUTF8(i.name()),
WebString::fromUTF8(i.values()));
}
}
}
if (!render_view_->renderer_preferences_.enable_referrers)
request.setHTTPReferrer(WebString(), blink::WebReferrerPolicyDefault);
}
void RenderFrameImpl::didReceiveResponse(
blink::WebFrame* frame,
unsigned identifier,
const blink::WebURLResponse& response) {
DCHECK(!frame_ || frame_ == frame);
// Only do this for responses that correspond to a provisional data source
// of the top-most frame. If we have a provisional data source, then we
// can't have any sub-resources yet, so we know that this response must
// correspond to a frame load.
if (!frame->provisionalDataSource() || frame->parent())
return;
// If we are in view source mode, then just let the user see the source of
// the server's error page.
if (frame->isViewSourceModeEnabled())
return;
DocumentState* document_state =
DocumentState::FromDataSource(frame->provisionalDataSource());
int http_status_code = response.httpStatusCode();
// Record page load flags.
WebURLResponseExtraDataImpl* extra_data =
GetExtraDataFromResponse(response);
if (extra_data) {
document_state->set_was_fetched_via_spdy(
extra_data->was_fetched_via_spdy());
document_state->set_was_npn_negotiated(
extra_data->was_npn_negotiated());
document_state->set_npn_negotiated_protocol(
extra_data->npn_negotiated_protocol());
document_state->set_was_alternate_protocol_available(
extra_data->was_alternate_protocol_available());
document_state->set_connection_info(
extra_data->connection_info());
document_state->set_was_fetched_via_proxy(
extra_data->was_fetched_via_proxy());
}
InternalDocumentStateData* internal_data =
InternalDocumentStateData::FromDocumentState(document_state);
internal_data->set_http_status_code(http_status_code);
// Whether or not the http status code actually corresponds to an error is
// only checked when the page is done loading, if |use_error_page| is
// still true.
internal_data->set_use_error_page(true);
}
void RenderFrameImpl::didFinishResourceLoad(blink::WebFrame* frame,
unsigned identifier) {
DCHECK(!frame_ || frame_ == frame);
// TODO(nasko): Move implementation here. Needed state:
// * devtools_agent_
// Needed methods:
// * LoadNavigationErrorPage
render_view_->didFinishResourceLoad(frame, identifier);
}
void RenderFrameImpl::didLoadResourceFromMemoryCache(
blink::WebFrame* frame,
const blink::WebURLRequest& request,
const blink::WebURLResponse& response) {
DCHECK(!frame_ || frame_ == frame);
// The recipients of this message have no use for data: URLs: they don't
// affect the page's insecure content list and are not in the disk cache. To
// prevent large (1M+) data: URLs from crashing in the IPC system, we simply
// filter them out here.
GURL url(request.url());
if (url.SchemeIs("data"))
return;
// Let the browser know we loaded a resource from the memory cache. This
// message is needed to display the correct SSL indicators.
render_view_->Send(new ViewHostMsg_DidLoadResourceFromMemoryCache(
render_view_->GetRoutingID(),
url,
response.securityInfo(),
request.httpMethod().utf8(),
response.mimeType().utf8(),
ResourceType::FromTargetType(request.targetType())));
}
void RenderFrameImpl::didDisplayInsecureContent(blink::WebFrame* frame) {
DCHECK(!frame_ || frame_ == frame);
render_view_->Send(new ViewHostMsg_DidDisplayInsecureContent(
render_view_->GetRoutingID()));
}
void RenderFrameImpl::didRunInsecureContent(
blink::WebFrame* frame,
const blink::WebSecurityOrigin& origin,
const blink::WebURL& target) {
DCHECK(!frame_ || frame_ == frame);
render_view_->Send(new ViewHostMsg_DidRunInsecureContent(
render_view_->GetRoutingID(),
origin.toString().utf8(),
target));
}
void RenderFrameImpl::didAbortLoading(blink::WebFrame* frame) {
DCHECK(!frame_ || frame_ == frame);
#if defined(ENABLE_PLUGINS)
if (frame != render_view_->webview()->mainFrame())
return;
PluginChannelHost::Broadcast(
new PluginHostMsg_DidAbortLoading(render_view_->GetRoutingID()));
#endif
}
void RenderFrameImpl::didCreateScriptContext(blink::WebFrame* frame,
v8::Handle<v8::Context> context,
int extension_group,
int world_id) {
DCHECK(!frame_ || frame_ == frame);
GetContentClient()->renderer()->DidCreateScriptContext(
frame, context, extension_group, world_id);
}
void RenderFrameImpl::willReleaseScriptContext(blink::WebFrame* frame,
v8::Handle<v8::Context> context,
int world_id) {
DCHECK(!frame_ || frame_ == frame);
FOR_EACH_OBSERVER(RenderFrameObserver,
observers_,
WillReleaseScriptContext(context, world_id));
}
void RenderFrameImpl::didFirstVisuallyNonEmptyLayout(blink::WebFrame* frame) {
DCHECK(!frame_ || frame_ == frame);
render_view_->didFirstVisuallyNonEmptyLayout(frame);
}
void RenderFrameImpl::didChangeContentsSize(blink::WebFrame* frame,
const blink::WebSize& size) {
DCHECK(!frame_ || frame_ == frame);
// TODO(nasko): Move implementation here. Needed state:
// * cached_has_main_frame_horizontal_scrollbar_
// * cached_has_main_frame_vertical_scrollbar_
render_view_->didChangeContentsSize(frame, size);
}
void RenderFrameImpl::didChangeScrollOffset(blink::WebFrame* frame) {
DCHECK(!frame_ || frame_ == frame);
// TODO(nasko): Move implementation here. Needed methods:
// * StartNavStateSyncTimerIfNecessary
render_view_->didChangeScrollOffset(frame);
}
void RenderFrameImpl::willInsertBody(blink::WebFrame* frame) {
DCHECK(!frame_ || frame_ == frame);
if (!frame->parent()) {
render_view_->Send(new ViewHostMsg_WillInsertBody(
render_view_->GetRoutingID()));
}
}
void RenderFrameImpl::reportFindInPageMatchCount(int request_id,
int count,
bool final_update) {
int active_match_ordinal = -1; // -1 = don't update active match ordinal
if (!count)
active_match_ordinal = 0;
render_view_->Send(new ViewHostMsg_Find_Reply(
render_view_->GetRoutingID(), request_id, count,
gfx::Rect(), active_match_ordinal, final_update));
}
void RenderFrameImpl::reportFindInPageSelection(
int request_id,
int active_match_ordinal,
const blink::WebRect& selection_rect) {
render_view_->Send(new ViewHostMsg_Find_Reply(
render_view_->GetRoutingID(), request_id, -1, selection_rect,
active_match_ordinal, false));
}
void RenderFrameImpl::requestStorageQuota(
blink::WebFrame* frame,
blink::WebStorageQuotaType type,
unsigned long long requested_size,
blink::WebStorageQuotaCallbacks callbacks) {
DCHECK(!frame_ || frame_ == frame);
WebSecurityOrigin origin = frame->document().securityOrigin();
if (origin.isUnique()) {
// Unique origins cannot store persistent state.
callbacks.didFail(blink::WebStorageQuotaErrorAbort);
return;
}
ChildThread::current()->quota_dispatcher()->RequestStorageQuota(
render_view_->GetRoutingID(), GURL(origin.toString()),
static_cast<quota::StorageType>(type), requested_size,
QuotaDispatcher::CreateWebStorageQuotaCallbacksWrapper(callbacks));
}
void RenderFrameImpl::willOpenSocketStream(
blink::WebSocketStreamHandle* handle) {
WebSocketStreamHandleImpl* impl =
static_cast<WebSocketStreamHandleImpl*>(handle);
impl->SetUserData(handle, new SocketStreamHandleData(routing_id_));
}
void RenderFrameImpl::willStartUsingPeerConnectionHandler(
blink::WebFrame* frame,
blink::WebRTCPeerConnectionHandler* handler) {
DCHECK(!frame_ || frame_ == frame);
#if defined(ENABLE_WEBRTC)
static_cast<RTCPeerConnectionHandler*>(handler)->associateWithFrame(frame);
#endif
}
bool RenderFrameImpl::willCheckAndDispatchMessageEvent(
blink::WebFrame* sourceFrame,
blink::WebFrame* targetFrame,
blink::WebSecurityOrigin targetOrigin,
blink::WebDOMMessageEvent event) {
DCHECK(!frame_ || frame_ == targetFrame);
// TODO(nasko): Move implementation here. Needed state:
// * is_swapped_out_
return render_view_->willCheckAndDispatchMessageEvent(
sourceFrame, targetFrame, targetOrigin, event);
}
blink::WebString RenderFrameImpl::userAgentOverride(
blink::WebFrame* frame,
const blink::WebURL& url) {
DCHECK(!frame_ || frame_ == frame);
if (!render_view_->webview() || !render_view_->webview()->mainFrame() ||
render_view_->renderer_preferences_.user_agent_override.empty()) {
return blink::WebString();
}
// If we're in the middle of committing a load, the data source we need
// will still be provisional.
WebFrame* main_frame = render_view_->webview()->mainFrame();
WebDataSource* data_source = NULL;
if (main_frame->provisionalDataSource())
data_source = main_frame->provisionalDataSource();
else
data_source = main_frame->dataSource();
InternalDocumentStateData* internal_data = data_source ?
InternalDocumentStateData::FromDataSource(data_source) : NULL;
if (internal_data && internal_data->is_overriding_user_agent())
return WebString::fromUTF8(
render_view_->renderer_preferences_.user_agent_override);
return blink::WebString();
}
blink::WebString RenderFrameImpl::doNotTrackValue(blink::WebFrame* frame) {
DCHECK(!frame_ || frame_ == frame);
if (render_view_->renderer_preferences_.enable_do_not_track)
return WebString::fromUTF8("1");
return WebString();
}
bool RenderFrameImpl::allowWebGL(blink::WebFrame* frame, bool default_value) {
DCHECK(!frame_ || frame_ == frame);
if (!default_value)
return false;
bool blocked = true;
render_view_->Send(new ViewHostMsg_Are3DAPIsBlocked(
render_view_->GetRoutingID(),
GURL(frame->top()->document().securityOrigin().toString()),
THREE_D_API_TYPE_WEBGL,
&blocked));
return !blocked;
}
void RenderFrameImpl::didLoseWebGLContext(blink::WebFrame* frame,
int arb_robustness_status_code) {
DCHECK(!frame_ || frame_ == frame);
render_view_->Send(new ViewHostMsg_DidLose3DContext(
GURL(frame->top()->document().securityOrigin().toString()),
THREE_D_API_TYPE_WEBGL,
arb_robustness_status_code));
}
void RenderFrameImpl::forwardInputEvent(const blink::WebInputEvent* event) {
Send(new FrameHostMsg_ForwardInputEvent(routing_id_, event));
}
void RenderFrameImpl::initializeChildFrame(const blink::WebRect& frame_rect,
float scale_factor) {
Send(new FrameHostMsg_InitializeChildFrame(
routing_id_, frame_rect, scale_factor));
}
void RenderFrameImpl::AddObserver(RenderFrameObserver* observer) {
observers_.AddObserver(observer);
}
void RenderFrameImpl::RemoveObserver(RenderFrameObserver* observer) {
observer->RenderFrameGone();
observers_.RemoveObserver(observer);
}
void RenderFrameImpl::OnStop() {
FOR_EACH_OBSERVER(RenderFrameObserver, observers_, OnStop());
}
// Tell the embedding application that the URL of the active page has changed.
void RenderFrameImpl::UpdateURL(blink::WebFrame* frame) {
DCHECK(!frame_ || frame_ == frame);
WebDataSource* ds = frame->dataSource();
DCHECK(ds);
const WebURLRequest& request = ds->request();
const WebURLRequest& original_request = ds->originalRequest();
const WebURLResponse& response = ds->response();
DocumentState* document_state = DocumentState::FromDataSource(ds);
NavigationState* navigation_state = document_state->navigation_state();
InternalDocumentStateData* internal_data =
InternalDocumentStateData::FromDocumentState(document_state);
FrameHostMsg_DidCommitProvisionalLoad_Params params;
params.http_status_code = response.httpStatusCode();
params.is_post = false;
params.post_id = -1;
params.page_id = render_view_->page_id_;
params.frame_unique_name = frame->uniqueName();
params.socket_address.set_host(response.remoteIPAddress().utf8());
params.socket_address.set_port(response.remotePort());
WebURLResponseExtraDataImpl* extra_data = GetExtraDataFromResponse(response);
if (extra_data)
params.was_fetched_via_proxy = extra_data->was_fetched_via_proxy();
params.was_within_same_page = navigation_state->was_within_same_page();
params.security_info = response.securityInfo();
// Set the URL to be displayed in the browser UI to the user.
params.url = render_view_->GetLoadingUrl(frame);
DCHECK(!is_swapped_out_ || params.url == GURL(kSwappedOutURL));
if (frame->document().baseURL() != params.url)
params.base_url = frame->document().baseURL();
GetRedirectChain(ds, ¶ms.redirects);
params.should_update_history = !ds->hasUnreachableURL() &&
!response.isMultipartPayload() && (response.httpStatusCode() != 404);
params.searchable_form_url = internal_data->searchable_form_url();
params.searchable_form_encoding = internal_data->searchable_form_encoding();
params.gesture = render_view_->navigation_gesture_;
render_view_->navigation_gesture_ = NavigationGestureUnknown;
// Make navigation state a part of the DidCommitProvisionalLoad message so
// that commited entry has it at all times.
WebHistoryItem item = frame->currentHistoryItem();
if (item.isNull()) {
item.initialize();
item.setURLString(request.url().spec().utf16());
}
params.page_state = HistoryItemToPageState(item);
if (!frame->parent()) {
// Top-level navigation.
// Reset the zoom limits in case a plugin had changed them previously. This
// will also call us back which will cause us to send a message to
// update WebContentsImpl.
render_view_->webview()->zoomLimitsChanged(
ZoomFactorToZoomLevel(kMinimumZoomFactor),
ZoomFactorToZoomLevel(kMaximumZoomFactor));
// Set zoom level, but don't do it for full-page plugin since they don't use
// the same zoom settings.
HostZoomLevels::iterator host_zoom =
render_view_->host_zoom_levels_.find(GURL(request.url()));
if (render_view_->webview()->mainFrame()->document().isPluginDocument()) {
// Reset the zoom levels for plugins.
render_view_->webview()->setZoomLevel(0);
} else {
if (host_zoom != render_view_->host_zoom_levels_.end())
render_view_->webview()->setZoomLevel(host_zoom->second);
}
if (host_zoom != render_view_->host_zoom_levels_.end()) {
// This zoom level was merely recorded transiently for this load. We can
// erase it now. If at some point we reload this page, the browser will
// send us a new, up-to-date zoom level.
render_view_->host_zoom_levels_.erase(host_zoom);
}
// Update contents MIME type for main frame.
params.contents_mime_type = ds->response().mimeType().utf8();
params.transition = navigation_state->transition_type();
if (!PageTransitionIsMainFrame(params.transition)) {
// If the main frame does a load, it should not be reported as a subframe
// navigation. This can occur in the following case:
// 1. You're on a site with frames.
// 2. You do a subframe navigation. This is stored with transition type
// MANUAL_SUBFRAME.
// 3. You navigate to some non-frame site, say, google.com.
// 4. You navigate back to the page from step 2. Since it was initially
// MANUAL_SUBFRAME, it will be that same transition type here.
// We don't want that, because any navigation that changes the toplevel
// frame should be tracked as a toplevel navigation (this allows us to
// update the URL bar, etc).
params.transition = PAGE_TRANSITION_LINK;
}
// If the page contained a client redirect (meta refresh, document.loc...),
// set the referrer and transition appropriately.
if (ds->isClientRedirect()) {
params.referrer =
Referrer(params.redirects[0], ds->request().referrerPolicy());
params.transition = static_cast<PageTransition>(
params.transition | PAGE_TRANSITION_CLIENT_REDIRECT);
} else {
params.referrer = RenderViewImpl::GetReferrerFromRequest(
frame, ds->request());
}
base::string16 method = request.httpMethod();
if (EqualsASCII(method, "POST")) {
params.is_post = true;
params.post_id = ExtractPostId(item);
}
// Send the user agent override back.
params.is_overriding_user_agent = internal_data->is_overriding_user_agent();
// Track the URL of the original request. We use the first entry of the
// redirect chain if it exists because the chain may have started in another
// process.
if (params.redirects.size() > 0)
params.original_request_url = params.redirects.at(0);
else
params.original_request_url = original_request.url();
params.history_list_was_cleared =
navigation_state->history_list_was_cleared();
// Save some histogram data so we can compute the average memory used per
// page load of the glyphs.
UMA_HISTOGRAM_COUNTS_10000("Memory.GlyphPagesPerLoad",
blink::WebGlyphCache::pageCount());
// This message needs to be sent before any of allowScripts(),
// allowImages(), allowPlugins() is called for the new page, so that when
// these functions send a ViewHostMsg_ContentBlocked message, it arrives
// after the FrameHostMsg_DidCommitProvisionalLoad message.
Send(new FrameHostMsg_DidCommitProvisionalLoad(routing_id_, params));
} else {
// Subframe navigation: the type depends on whether this navigation
// generated a new session history entry. When they do generate a session
// history entry, it means the user initiated the navigation and we should
// mark it as such. This test checks if this is the first time UpdateURL
// has been called since WillNavigateToURL was called to initiate the load.
if (render_view_->page_id_ > render_view_->last_page_id_sent_to_browser_)
params.transition = PAGE_TRANSITION_MANUAL_SUBFRAME;
else
params.transition = PAGE_TRANSITION_AUTO_SUBFRAME;
DCHECK(!navigation_state->history_list_was_cleared());
params.history_list_was_cleared = false;
// Don't send this message while the subframe is swapped out.
if (!is_swapped_out())
Send(new FrameHostMsg_DidCommitProvisionalLoad(routing_id_, params));
}
render_view_->last_page_id_sent_to_browser_ =
std::max(render_view_->last_page_id_sent_to_browser_,
render_view_->page_id_);
// If we end up reusing this WebRequest (for example, due to a #ref click),
// we don't want the transition type to persist. Just clear it.
navigation_state->set_transition_type(PAGE_TRANSITION_LINK);
}
WebElement RenderFrameImpl::GetFocusedElement() {
WebDocument doc = frame_->document();
if (!doc.isNull())
return doc.focusedElement();
return WebElement();
}
void RenderFrameImpl::didStartLoading(bool to_different_document) {
if (is_loading_) {
DVLOG(1) << "didStartLoading called while loading";
return;
}
is_loading_ = true;
bool view_was_loading = render_view_->is_loading();
render_view_->FrameDidStartLoading(frame_);
if (!view_was_loading)
Send(new FrameHostMsg_DidStartLoading(routing_id_));
}
void RenderFrameImpl::didStopLoading() {
if (!is_loading_) {
DVLOG(1) << "DidStopLoading called while not loading";
return;
}
DCHECK(render_view_->is_loading());
is_loading_ = false;
render_view_->FrameDidStopLoading(frame_);
// NOTE: For now we're doing the safest thing, and sending out notification
// when done loading. This currently isn't an issue as the favicon is only
// displayed when done loading. Ideally we would send notification when
// finished parsing the head, but webkit doesn't support that yet.
// The feed discovery code would also benefit from access to the head.
// NOTE: Sending of the IPC message happens through the top-level frame.
if (!render_view_->is_loading())
Send(new FrameHostMsg_DidStopLoading(routing_id_));
}
void RenderFrameImpl::didChangeLoadProgress(double load_progress) {
render_view_->FrameDidChangeLoadProgress(frame_, load_progress);
}
WebNavigationPolicy RenderFrameImpl::DecidePolicyForNavigation(
RenderFrame* render_frame,
WebFrame* frame,
WebDataSource::ExtraData* extraData,
const WebURLRequest& request,
WebNavigationType type,
WebNavigationPolicy default_policy,
bool is_redirect) {
#ifdef OS_ANDROID
// The handlenavigation API is deprecated and will be removed once
// crbug.com/325351 is resolved.
if (request.url() != GURL(kSwappedOutURL) &&
GetContentClient()->renderer()->HandleNavigation(
render_frame,
static_cast<DocumentState*>(extraData),
render_view_->opener_id_,
frame,
request,
type,
default_policy,
is_redirect)) {
return blink::WebNavigationPolicyIgnore;
}
#endif
Referrer referrer(RenderViewImpl::GetReferrerFromRequest(frame, request));
if (is_swapped_out_ || render_view_->is_swapped_out()) {
if (request.url() != GURL(kSwappedOutURL)) {
// Targeted links may try to navigate a swapped out frame. Allow the
// browser process to navigate the tab instead. Note that it is also
// possible for non-targeted navigations (from this view) to arrive
// here just after we are swapped out. It's ok to send them to the
// browser, as long as they're for the top level frame.
// TODO(creis): Ensure this supports targeted form submissions when
// fixing http://crbug.com/101395.
if (frame->parent() == NULL) {
OpenURL(frame, request.url(), referrer, default_policy);
return blink::WebNavigationPolicyIgnore; // Suppress the load here.
}
// We should otherwise ignore in-process iframe navigations, if they
// arrive just after we are swapped out.
return blink::WebNavigationPolicyIgnore;
}
// Allow kSwappedOutURL to complete.
return default_policy;
}
// Webkit is asking whether to navigate to a new URL.
// This is fine normally, except if we're showing UI from one security
// context and they're trying to navigate to a different context.
const GURL& url = request.url();
// A content initiated navigation may have originated from a link-click,
// script, drag-n-drop operation, etc.
bool is_content_initiated = static_cast<DocumentState*>(extraData)->
navigation_state()->is_content_initiated();
// Experimental:
// If --enable-strict-site-isolation or --site-per-process is enabled, send
// all top-level navigations to the browser to let it swap processes when
// crossing site boundaries. This is currently expected to break some script
// calls and navigations, such as form submissions.
const CommandLine& command_line = *CommandLine::ForCurrentProcess();
bool force_swap_due_to_flag =
command_line.HasSwitch(switches::kEnableStrictSiteIsolation) ||
command_line.HasSwitch(switches::kSitePerProcess);
if (force_swap_due_to_flag &&
!frame->parent() && (is_content_initiated || is_redirect)) {
WebString origin_str = frame->document().securityOrigin().toString();
GURL frame_url(origin_str.utf8().data());
// TODO(cevans): revisit whether this site check is still necessary once
// crbug.com/101395 is fixed.
bool same_domain_or_host =
net::registry_controlled_domains::SameDomainOrHost(
frame_url,
url,
net::registry_controlled_domains::INCLUDE_PRIVATE_REGISTRIES);
if (!same_domain_or_host || frame_url.scheme() != url.scheme()) {
OpenURL(frame, url, referrer, default_policy);
return blink::WebNavigationPolicyIgnore;
}
}
// If the browser is interested, then give it a chance to look at the request.
if (is_content_initiated) {
bool is_form_post = ((type == blink::WebNavigationTypeFormSubmitted) ||
(type == blink::WebNavigationTypeFormResubmitted)) &&
EqualsASCII(request.httpMethod(), "POST");
bool browser_handles_request =
render_view_->renderer_preferences_
.browser_handles_non_local_top_level_requests
&& IsNonLocalTopLevelNavigation(url, frame, type, is_form_post);
if (!browser_handles_request) {
browser_handles_request = IsTopLevelNavigation(frame) &&
render_view_->renderer_preferences_
.browser_handles_all_top_level_requests;
}
if (browser_handles_request) {
// Reset these counters as the RenderView could be reused for the next
// navigation.
render_view_->page_id_ = -1;
render_view_->last_page_id_sent_to_browser_ = -1;
OpenURL(frame, url, referrer, default_policy);
return blink::WebNavigationPolicyIgnore; // Suppress the load here.
}
}
// Use the frame's original request's URL rather than the document's URL for
// subsequent checks. For a popup, the document's URL may become the opener
// window's URL if the opener has called document.write().
// See http://crbug.com/93517.
GURL old_url(frame->dataSource()->request().url());
// Detect when we're crossing a permission-based boundary (e.g. into or out of
// an extension or app origin, leaving a WebUI page, etc). We only care about
// top-level navigations (not iframes). But we sometimes navigate to
// about:blank to clear a tab, and we want to still allow that.
//
// Note: this is known to break POST submissions when crossing process
// boundaries until http://crbug.com/101395 is fixed. This is better for
// security than loading a WebUI, extension or app page in the wrong process.
// POST requests don't work because this mechanism does not preserve form
// POST data. We will need to send the request's httpBody data up to the
// browser process, and issue a special POST navigation in WebKit (via
// FrameLoader::loadFrameRequest). See ResourceDispatcher and WebURLLoaderImpl
// for examples of how to send the httpBody data.
if (!frame->parent() && is_content_initiated && !url.SchemeIs(kAboutScheme)) {
bool send_referrer = false;
// All navigations to or from WebUI URLs or within WebUI-enabled
// RenderProcesses must be handled by the browser process so that the
// correct bindings and data sources can be registered.
// Similarly, navigations to view-source URLs or within ViewSource mode
// must be handled by the browser process (except for reloads - those are
// safe to leave within the renderer).
// Lastly, access to file:// URLs from non-file:// URL pages must be
// handled by the browser so that ordinary renderer processes don't get
// blessed with file permissions.
int cumulative_bindings = RenderProcess::current()->GetEnabledBindings();
bool is_initial_navigation = render_view_->page_id_ == -1;
bool should_fork = HasWebUIScheme(url) || HasWebUIScheme(old_url) ||
(cumulative_bindings & BINDINGS_POLICY_WEB_UI) ||
url.SchemeIs(kViewSourceScheme) ||
(frame->isViewSourceModeEnabled() &&
type != blink::WebNavigationTypeReload);
if (!should_fork && url.SchemeIs(kFileScheme)) {
// Fork non-file to file opens. Check the opener URL if this is the
// initial navigation in a newly opened window.
GURL source_url(old_url);
if (is_initial_navigation && source_url.is_empty() && frame->opener())
source_url = frame->opener()->top()->document().url();
DCHECK(!source_url.is_empty());
should_fork = !source_url.SchemeIs(kFileScheme);
}
if (!should_fork) {
// Give the embedder a chance.
should_fork = GetContentClient()->renderer()->ShouldFork(
frame, url, request.httpMethod().utf8(), is_initial_navigation,
is_redirect, &send_referrer);
}
if (should_fork) {
OpenURL(
frame, url, send_referrer ? referrer : Referrer(), default_policy);
return blink::WebNavigationPolicyIgnore; // Suppress the load here.
}
}
// Detect when a page is "forking" a new tab that can be safely rendered in
// its own process. This is done by sites like Gmail that try to open links
// in new windows without script connections back to the original page. We
// treat such cases as browser navigations (in which we will create a new
// renderer for a cross-site navigation), rather than WebKit navigations.
//
// We use the following heuristic to decide whether to fork a new page in its
// own process:
// The parent page must open a new tab to about:blank, set the new tab's
// window.opener to null, and then redirect the tab to a cross-site URL using
// JavaScript.
//
// TODO(creis): Deprecate this logic once we can rely on rel=noreferrer
// (see below).
bool is_fork =
// Must start from a tab showing about:blank, which is later redirected.
old_url == GURL(kAboutBlankURL) &&
// Must be the first real navigation of the tab.
render_view_->historyBackListCount() < 1 &&
render_view_->historyForwardListCount() < 1 &&
// The parent page must have set the child's window.opener to null before
// redirecting to the desired URL.
frame->opener() == NULL &&
// Must be a top-level frame.
frame->parent() == NULL &&
// Must not have issued the request from this page.
is_content_initiated &&
// Must be targeted at the current tab.
default_policy == blink::WebNavigationPolicyCurrentTab &&
// Must be a JavaScript navigation, which appears as "other".
type == blink::WebNavigationTypeOther;
if (is_fork) {
// Open the URL via the browser, not via WebKit.
OpenURL(frame, url, Referrer(), default_policy);
return blink::WebNavigationPolicyIgnore;
}
return default_policy;
}
void RenderFrameImpl::OpenURL(WebFrame* frame,
const GURL& url,
const Referrer& referrer,
WebNavigationPolicy policy) {
DCHECK_EQ(frame_, frame);
FrameHostMsg_OpenURL_Params params;
params.url = url;
params.referrer = referrer;
params.disposition = RenderViewImpl::NavigationPolicyToDisposition(policy);
WebDataSource* ds = frame->provisionalDataSource();
if (ds) {
DocumentState* document_state = DocumentState::FromDataSource(ds);
NavigationState* navigation_state = document_state->navigation_state();
if (navigation_state->is_content_initiated()) {
params.should_replace_current_entry = ds->replacesCurrentHistoryItem();
} else {
// This is necessary to preserve the should_replace_current_entry value on
// cross-process redirects, in the event it was set by a previous process.
//
// TODO(davidben): Avoid this awkward duplication of state. See comment on
// NavigationState::should_replace_current_entry().
params.should_replace_current_entry =
navigation_state->should_replace_current_entry();
}
} else {
params.should_replace_current_entry = false;
}
params.user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
if (GetContentClient()->renderer()->AllowPopup())
params.user_gesture = true;
if (policy == blink::WebNavigationPolicyNewBackgroundTab ||
policy == blink::WebNavigationPolicyNewForegroundTab ||
policy == blink::WebNavigationPolicyNewWindow ||
policy == blink::WebNavigationPolicyNewPopup) {
WebUserGestureIndicator::consumeUserGesture();
}
Send(new FrameHostMsg_OpenURL(routing_id_, params));
}
void RenderFrameImpl::SyncSelectionIfRequired() {
base::string16 text;
size_t offset;
gfx::Range range;
#if defined(ENABLE_PLUGINS)
if (render_view_->focused_pepper_plugin_) {
render_view_->focused_pepper_plugin_->GetSurroundingText(&text, &range);
offset = 0; // Pepper API does not support offset reporting.
// TODO(kinaba): cut as needed.
} else
#endif
{
size_t location, length;
if (!render_view_->webview()->caretOrSelectionRange(&location, &length))
return;
range = gfx::Range(location, location + length);
if (render_view_->webview()->textInputInfo().type !=
blink::WebTextInputTypeNone) {
// If current focused element is editable, we will send 100 more chars
// before and after selection. It is for input method surrounding text
// feature.
if (location > kExtraCharsBeforeAndAfterSelection)
offset = location - kExtraCharsBeforeAndAfterSelection;
else
offset = 0;
length = location + length - offset + kExtraCharsBeforeAndAfterSelection;
WebRange webrange = WebRange::fromDocumentRange(frame_, offset, length);
if (!webrange.isNull())
text = WebRange::fromDocumentRange(
frame_, offset, length).toPlainText();
} else {
offset = location;
text = frame_->selectionAsText();
// http://crbug.com/101435
// In some case, frame->selectionAsText() returned text's length is not
// equal to the length returned from webview()->caretOrSelectionRange().
// So we have to set the range according to text.length().
range.set_end(range.start() + text.length());
}
}
// Sometimes we get repeated didChangeSelection calls from webkit when
// the selection hasn't actually changed. We don't want to report these
// because it will cause us to continually claim the X clipboard.
if (selection_text_offset_ != offset ||
selection_range_ != range ||
selection_text_ != text) {
selection_text_ = text;
selection_text_offset_ = offset;
selection_range_ = range;
// This IPC is dispatched by RenderWidetHost, so use its routing ID.
Send(new ViewHostMsg_SelectionChanged(
GetRenderWidget()->routing_id(), text, offset, range));
}
GetRenderWidget()->UpdateSelectionBounds();
}
} // namespace content
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