// Copyright (c) 2011 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 "chrome/renderer/webplugin_delegate_proxy.h"
#if defined(TOOLKIT_USES_GTK)
#include <gtk/gtk.h>
#endif
#include <algorithm>
#include "base/basictypes.h"
#include "base/command_line.h"
#include "base/file_util.h"
#include "base/logging.h"
#include "base/ref_counted.h"
#include "base/scoped_ptr.h"
#include "base/string_split.h"
#include "base/string_util.h"
#include "base/sys_info.h"
#include "base/utf_string_conversions.h"
#include "chrome/common/child_process_logging.h"
#include "chrome/common/plugin_messages.h"
#include "chrome/common/render_messages.h"
#include "chrome/plugin/npobject_proxy.h"
#include "chrome/plugin/npobject_stub.h"
#include "chrome/plugin/npobject_util.h"
#include "chrome/renderer/command_buffer_proxy.h"
#include "chrome/renderer/plugin_channel_host.h"
#include "chrome/renderer/render_thread.h"
#include "chrome/renderer/render_view.h"
#include "grit/generated_resources.h"
#include "grit/renderer_resources.h"
#include "ipc/ipc_channel_handle.h"
#include "net/base/mime_util.h"
#include "skia/ext/platform_canvas.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebBindings.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebCursorInfo.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebDragData.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebString.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebVector.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/blit.h"
#include "ui/gfx/canvas_skia.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/gfx/size.h"
#include "webkit/plugins/npapi/webplugin.h"
#include "webkit/glue/webkit_glue.h"
#if defined(OS_POSIX)
#include "ipc/ipc_channel_posix.h"
#endif
#if defined(OS_WIN)
#include "printing/native_metafile_factory.h"
#include "printing/native_metafile.h"
#endif
using WebKit::WebBindings;
using WebKit::WebCursorInfo;
using WebKit::WebDragData;
using WebKit::WebInputEvent;
using WebKit::WebString;
using WebKit::WebVector;
using WebKit::WebView;
// Proxy for WebPluginResourceClient. The object owns itself after creation,
// deleting itself after its callback has been called.
class ResourceClientProxy : public webkit::npapi::WebPluginResourceClient {
public:
ResourceClientProxy(PluginChannelHost* channel, int instance_id)
: channel_(channel), instance_id_(instance_id), resource_id_(0),
multibyte_response_expected_(false) {
}
~ResourceClientProxy() {
}
void Initialize(unsigned long resource_id, const GURL& url, int notify_id) {
resource_id_ = resource_id;
channel_->Send(new PluginMsg_HandleURLRequestReply(
instance_id_, resource_id, url, notify_id));
}
void InitializeForSeekableStream(unsigned long resource_id,
int range_request_id) {
resource_id_ = resource_id;
multibyte_response_expected_ = true;
channel_->Send(new PluginMsg_HTTPRangeRequestReply(
instance_id_, resource_id, range_request_id));
}
// PluginResourceClient implementation:
void WillSendRequest(const GURL& url, int http_status_code) {
DCHECK(channel_ != NULL);
channel_->Send(new PluginMsg_WillSendRequest(instance_id_, resource_id_,
url, http_status_code));
}
void DidReceiveResponse(const std::string& mime_type,
const std::string& headers,
uint32 expected_length,
uint32 last_modified,
bool request_is_seekable) {
DCHECK(channel_ != NULL);
PluginMsg_DidReceiveResponseParams params;
params.id = resource_id_;
params.mime_type = mime_type;
params.headers = headers;
params.expected_length = expected_length;
params.last_modified = last_modified;
params.request_is_seekable = request_is_seekable;
// Grab a reference on the underlying channel so it does not get
// deleted from under us.
scoped_refptr<PluginChannelHost> channel_ref(channel_);
channel_->Send(new PluginMsg_DidReceiveResponse(instance_id_, params));
}
void DidReceiveData(const char* buffer, int length, int data_offset) {
DCHECK(channel_ != NULL);
DCHECK_GT(length, 0);
std::vector<char> data;
data.resize(static_cast<size_t>(length));
memcpy(&data.front(), buffer, length);
// Grab a reference on the underlying channel so it does not get
// deleted from under us.
scoped_refptr<PluginChannelHost> channel_ref(channel_);
channel_->Send(new PluginMsg_DidReceiveData(instance_id_, resource_id_,
data, data_offset));
}
void DidFinishLoading() {
DCHECK(channel_ != NULL);
channel_->Send(new PluginMsg_DidFinishLoading(instance_id_, resource_id_));
channel_ = NULL;
MessageLoop::current()->DeleteSoon(FROM_HERE, this);
}
void DidFail() {
DCHECK(channel_ != NULL);
channel_->Send(new PluginMsg_DidFail(instance_id_, resource_id_));
channel_ = NULL;
MessageLoop::current()->DeleteSoon(FROM_HERE, this);
}
bool IsMultiByteResponseExpected() {
return multibyte_response_expected_;
}
int ResourceId() {
return resource_id_;
}
private:
scoped_refptr<PluginChannelHost> channel_;
int instance_id_;
unsigned long resource_id_;
// Set to true if the response expected is a multibyte response.
// For e.g. response for a HTTP byte range request.
bool multibyte_response_expected_;
};
#if defined(OS_MACOSX)
static void ReleaseTransportDIB(TransportDIB* dib) {
if (dib) {
IPC::Message* message = new ViewHostMsg_FreeTransportDIB(dib->id());
RenderThread::current()->Send(message);
}
}
#endif
WebPluginDelegateProxy::WebPluginDelegateProxy(
const std::string& mime_type,
const base::WeakPtr<RenderView>& render_view)
: render_view_(render_view),
plugin_(NULL),
uses_shared_bitmaps_(false),
window_(gfx::kNullPluginWindow),
mime_type_(mime_type),
instance_id_(MSG_ROUTING_NONE),
npobject_(NULL),
sad_plugin_(NULL),
invalidate_pending_(false),
transparent_(false),
page_url_(render_view_->webview()->mainFrame()->url()) {
}
WebPluginDelegateProxy::~WebPluginDelegateProxy() {
#if defined(OS_MACOSX)
// Ask the browser to release old TransportDIB objects for which no
// PluginHostMsg_UpdateGeometry_ACK was ever received from the plugin
// process.
for (OldTransportDIBMap::iterator iterator = old_transport_dibs_.begin();
iterator != old_transport_dibs_.end();
++iterator) {
ReleaseTransportDIB(iterator->second.get());
}
// Ask the browser to release the "live" TransportDIB object.
ReleaseTransportDIB(transport_store_.get());
DCHECK(!background_store_.get());
#endif
}
void WebPluginDelegateProxy::PluginDestroyed() {
#if defined(OS_MACOSX)
// Ensure that the renderer doesn't think the plugin still has focus.
if (render_view_)
render_view_->PluginFocusChanged(false, instance_id_);
#endif
if (window_)
WillDestroyWindow();
if (render_view_)
render_view_->UnregisterPluginDelegate(this);
if (channel_host_) {
Send(new PluginMsg_DestroyInstance(instance_id_));
// Must remove the route after sending the destroy message, since
// RemoveRoute can lead to all the outstanding NPObjects being told the
// channel went away if this was the last instance.
channel_host_->RemoveRoute(instance_id_);
// Release the channel host now. If we are is the last reference to the
// channel, this avoids a race where this renderer asks a new connection to
// the same plugin between now and the time 'this' is actually deleted.
// Destroying the channel host is what releases the channel name -> FD
// association on POSIX, and if we ask for a new connection before it is
// released, the plugin will give us a new FD, and we'll assert when trying
// to associate it with the channel name.
channel_host_ = NULL;
}
if (window_script_object_) {
// The ScriptController deallocates this object independent of its ref count
// to avoid leaks if the plugin forgets to release it. So mark the object
// invalid to avoid accessing it past this point. Note: only do this after
// the DestroyInstance message in case the window object is scripted by the
// plugin in NPP_Destroy.
window_script_object_->OnPluginDestroyed();
}
plugin_ = NULL;
MessageLoop::current()->DeleteSoon(FROM_HERE, this);
}
// Returns true if the given Silverlight 'background' value corresponds to
// one that should make the plugin transparent. See:
// http://msdn.microsoft.com/en-us/library/cc838148(VS.95).aspx
// for possible values.
static bool SilverlightColorIsTransparent(const std::string& color) {
if (StartsWithASCII(color, "#", false)) {
// If it's #ARGB or #AARRGGBB check the alpha; if not it's an RGB form and
// it's not transparent.
if ((color.length() == 5 && !StartsWithASCII(color, "#F", false)) ||
(color.length() == 9 && !StartsWithASCII(color, "#FF", false)))
return true;
} else if (StartsWithASCII(color, "sc#", false)) {
// It's either sc#A,R,G,B or sc#R,G,B; if the former, check the alpha.
if (color.length() < 4)
return false;
std::string value_string = color.substr(3, std::string::npos);
std::vector<std::string> components;
base::SplitString(value_string, ',', &components);
if (components.size() == 4 && !StartsWithASCII(components[0], "1", false))
return true;
} else if (LowerCaseEqualsASCII(color, "transparent")) {
return true;
}
// Anything else is a named, opaque color or an RGB form with no alpha.
return false;
}
bool WebPluginDelegateProxy::Initialize(
const GURL& url,
const std::vector<std::string>& arg_names,
const std::vector<std::string>& arg_values,
webkit::npapi::WebPlugin* plugin,
bool load_manually) {
IPC::ChannelHandle channel_handle;
if (!RenderThread::current()->Send(new ViewHostMsg_OpenChannelToPlugin(
render_view_->routing_id(), url, mime_type_, &channel_handle,
&info_))) {
return false;
}
if (channel_handle.name.empty()) {
// We got an invalid handle. Either the plugin couldn't be found (which
// shouldn't happen, since if we got here the plugin should exist) or the
// plugin crashed on initialization.
if (!info_.path.empty()) {
render_view_->PluginCrashed(info_.path);
// Return true so that the plugin widget is created and we can paint the
// crashed plugin there.
return true;
}
return false;
}
scoped_refptr<PluginChannelHost> channel_host(
PluginChannelHost::GetPluginChannelHost(
channel_handle, ChildProcess::current()->io_message_loop()));
if (!channel_host.get())
return false;
int instance_id;
bool result = channel_host->Send(new PluginMsg_CreateInstance(
mime_type_, &instance_id));
if (!result)
return false;
channel_host_ = channel_host;
instance_id_ = instance_id;
channel_host_->AddRoute(instance_id_, this, NULL);
// Now tell the PluginInstance in the plugin process to initialize.
PluginMsg_Init_Params params;
params.containing_window = render_view_->host_window();
params.url = url;
params.page_url = page_url_;
params.arg_names = arg_names;
params.arg_values = arg_values;
params.host_render_view_routing_id = render_view_->routing_id();
bool flash =
LowerCaseEqualsASCII(mime_type_, "application/x-shockwave-flash");
bool silverlight =
StartsWithASCII(mime_type_, "application/x-silverlight", false);
for (size_t i = 0; i < arg_names.size(); ++i) {
if ((flash && LowerCaseEqualsASCII(arg_names[i], "wmode") &&
LowerCaseEqualsASCII(arg_values[i], "transparent")) ||
(silverlight && LowerCaseEqualsASCII(arg_names[i], "background") &&
SilverlightColorIsTransparent(arg_values[i]))) {
transparent_ = true;
}
}
#if defined(OS_MACOSX)
// Unless we have a real way to support accelerated (3D) drawing on Macs
// (which for now at least means the Core Animation drawing model), ask
// Flash to use windowless mode so that it use CoreGraphics instead of opening
// OpenGL contexts overlaying the browser window (which requires a very
// expensive extra copy for us).
if (!transparent_ && mime_type_ == "application/x-shockwave-flash") {
bool force_opaque_mode = false;
if (StartsWith(info_.version, ASCIIToUTF16("10.0"), false) ||
StartsWith(info_.version, ASCIIToUTF16("9."), false)) {
// Older versions of Flash don't support CA (and they assume QuickDraw
// support, so we can't rely on negotiation to do the right thing).
force_opaque_mode = true;
} else {
// Flash 10.1 doesn't respect QuickDraw negotiation either, so we still
// have to force opaque mode on 10.5 (where it doesn't use CA).
int32 major, minor, bugfix;
base::SysInfo::OperatingSystemVersionNumbers(&major, &minor, &bugfix);
if (major < 10 || (major == 10 && minor < 6))
force_opaque_mode = true;
}
if (force_opaque_mode) {
params.arg_names.push_back("wmode");
params.arg_values.push_back("opaque");
}
}
#endif
params.load_manually = load_manually;
plugin_ = plugin;
result = false;
IPC::Message* msg = new PluginMsg_Init(instance_id_, params, &result);
Send(msg);
render_view_->RegisterPluginDelegate(this);
return result;
}
bool WebPluginDelegateProxy::Send(IPC::Message* msg) {
if (!channel_host_) {
DLOG(WARNING) << "dropping message because channel host is null";
delete msg;
return false;
}
return channel_host_->Send(msg);
}
void WebPluginDelegateProxy::SendJavaScriptStream(const GURL& url,
const std::string& result,
bool success,
int notify_id) {
Send(new PluginMsg_SendJavaScriptStream(
instance_id_, url, result, success, notify_id));
}
void WebPluginDelegateProxy::DidReceiveManualResponse(
const GURL& url, const std::string& mime_type,
const std::string& headers, uint32 expected_length,
uint32 last_modified) {
PluginMsg_DidReceiveResponseParams params;
params.id = 0;
params.mime_type = mime_type;
params.headers = headers;
params.expected_length = expected_length;
params.last_modified = last_modified;
Send(new PluginMsg_DidReceiveManualResponse(instance_id_, url, params));
}
void WebPluginDelegateProxy::DidReceiveManualData(const char* buffer,
int length) {
DCHECK_GT(length, 0);
std::vector<char> data;
data.resize(static_cast<size_t>(length));
memcpy(&data.front(), buffer, length);
Send(new PluginMsg_DidReceiveManualData(instance_id_, data));
}
void WebPluginDelegateProxy::DidFinishManualLoading() {
Send(new PluginMsg_DidFinishManualLoading(instance_id_));
}
void WebPluginDelegateProxy::DidManualLoadFail() {
Send(new PluginMsg_DidManualLoadFail(instance_id_));
}
void WebPluginDelegateProxy::InstallMissingPlugin() {
Send(new PluginMsg_InstallMissingPlugin(instance_id_));
}
bool WebPluginDelegateProxy::OnMessageReceived(const IPC::Message& msg) {
child_process_logging::SetActiveURL(page_url_);
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(WebPluginDelegateProxy, msg)
IPC_MESSAGE_HANDLER(PluginHostMsg_SetWindow, OnSetWindow)
#if defined(OS_WIN)
IPC_MESSAGE_HANDLER(PluginHostMsg_SetWindowlessPumpEvent,
OnSetWindowlessPumpEvent)
#endif
IPC_MESSAGE_HANDLER(PluginHostMsg_CancelResource, OnCancelResource)
IPC_MESSAGE_HANDLER(PluginHostMsg_InvalidateRect, OnInvalidateRect)
IPC_MESSAGE_HANDLER(PluginHostMsg_GetWindowScriptNPObject,
OnGetWindowScriptNPObject)
IPC_MESSAGE_HANDLER(PluginHostMsg_GetPluginElement,
OnGetPluginElement)
IPC_MESSAGE_HANDLER(PluginHostMsg_SetCookie, OnSetCookie)
IPC_MESSAGE_HANDLER(PluginHostMsg_GetCookies, OnGetCookies)
IPC_MESSAGE_HANDLER(PluginHostMsg_ShowModalHTMLDialog,
OnShowModalHTMLDialog)
IPC_MESSAGE_HANDLER(PluginHostMsg_GetDragData, OnGetDragData);
IPC_MESSAGE_HANDLER(PluginHostMsg_SetDropEffect, OnSetDropEffect);
IPC_MESSAGE_HANDLER(PluginHostMsg_MissingPluginStatus,
OnMissingPluginStatus)
IPC_MESSAGE_HANDLER(PluginHostMsg_URLRequest, OnHandleURLRequest)
IPC_MESSAGE_HANDLER(PluginHostMsg_GetCPBrowsingContext,
OnGetCPBrowsingContext)
IPC_MESSAGE_HANDLER(PluginHostMsg_CancelDocumentLoad, OnCancelDocumentLoad)
IPC_MESSAGE_HANDLER(PluginHostMsg_InitiateHTTPRangeRequest,
OnInitiateHTTPRangeRequest)
IPC_MESSAGE_HANDLER(PluginHostMsg_DeferResourceLoading,
OnDeferResourceLoading)
#if defined(OS_MACOSX)
IPC_MESSAGE_HANDLER(PluginHostMsg_FocusChanged,
OnFocusChanged);
IPC_MESSAGE_HANDLER(PluginHostMsg_StartIme,
OnStartIme);
IPC_MESSAGE_HANDLER(PluginHostMsg_BindFakePluginWindowHandle,
OnBindFakePluginWindowHandle);
IPC_MESSAGE_HANDLER(PluginHostMsg_UpdateGeometry_ACK,
OnUpdateGeometry_ACK)
// Used only on 10.6 and later.
IPC_MESSAGE_HANDLER(PluginHostMsg_AcceleratedSurfaceSetIOSurface,
OnAcceleratedSurfaceSetIOSurface)
// Used on 10.5 and earlier.
IPC_MESSAGE_HANDLER(PluginHostMsg_AcceleratedSurfaceSetTransportDIB,
OnAcceleratedSurfaceSetTransportDIB)
IPC_MESSAGE_HANDLER(PluginHostMsg_AllocTransportDIB,
OnAcceleratedSurfaceAllocTransportDIB)
IPC_MESSAGE_HANDLER(PluginHostMsg_FreeTransportDIB,
OnAcceleratedSurfaceFreeTransportDIB)
IPC_MESSAGE_HANDLER(PluginHostMsg_AcceleratedSurfaceBuffersSwapped,
OnAcceleratedSurfaceBuffersSwapped)
#endif
IPC_MESSAGE_HANDLER(PluginHostMsg_URLRedirectResponse,
OnURLRedirectResponse)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
DCHECK(handled);
return handled;
}
void WebPluginDelegateProxy::OnChannelError() {
if (plugin_) {
if (window_) {
// The actual WebPluginDelegate never got a chance to tell the WebPlugin
// its window was going away. Do it on its behalf.
WillDestroyWindow();
}
plugin_->Invalidate();
}
if (!channel_host_->expecting_shutdown())
render_view_->PluginCrashed(info_.path);
#if defined(OS_MACOSX)
// Ensure that the renderer doesn't think the plugin still has focus.
if (render_view_)
render_view_->PluginFocusChanged(false, instance_id_);
#endif
}
void WebPluginDelegateProxy::UpdateGeometry(const gfx::Rect& window_rect,
const gfx::Rect& clip_rect) {
// window_rect becomes either a window in native windowing system
// coords, or a backing buffer. In either case things will go bad
// if the rectangle is very large.
if (window_rect.width() < 0 || window_rect.width() > (1<<15) ||
window_rect.height() < 0 || window_rect.height() > (1<<15) ||
// Clip to 8m pixels; we know this won't overflow due to above checks.
window_rect.width() * window_rect.height() > (8<<20)) {
return;
}
plugin_rect_ = window_rect;
clip_rect_ = clip_rect;
bool bitmaps_changed = false;
PluginMsg_UpdateGeometry_Param param;
#if defined(OS_MACOSX)
param.ack_key = -1;
#endif
if (uses_shared_bitmaps_) {
if (!backing_store_canvas_.get() ||
(window_rect.width() != backing_store_canvas_->getDevice()->width() ||
window_rect.height() != backing_store_canvas_->getDevice()->height()))
{
bitmaps_changed = true;
bool needs_background_store = transparent_;
#if defined(OS_MACOSX)
// We don't support transparency under QuickDraw, and CoreGraphics
// preserves transparency information (and does the compositing itself)
// so plugins don't need access to the page background.
needs_background_store = false;
if (transport_store_.get()) {
// ResetWindowlessBitmaps inserts the old TransportDIBs into
// old_transport_dibs_ using the transport store's file descriptor as
// the key. The constraints on the keys are that -1 is reserved
// to mean "no ACK required," and in-flight keys must be unique.
// File descriptors will never be -1, and because they won't be closed
// until receipt of the ACK, they're unique.
param.ack_key = transport_store_->handle().fd;
}
#endif
// Create a shared memory section that the plugin paints into
// asynchronously.
ResetWindowlessBitmaps();
if (!window_rect.IsEmpty()) {
if (!CreateSharedBitmap(&transport_store_, &transport_store_canvas_) ||
#if defined(OS_WIN)
!CreateSharedBitmap(&backing_store_, &backing_store_canvas_) ||
#else
!CreateLocalBitmap(&backing_store_, &backing_store_canvas_) ||
#endif
(needs_background_store &&
!CreateSharedBitmap(&background_store_,
&background_store_canvas_))) {
DCHECK(false);
ResetWindowlessBitmaps();
return;
}
}
}
}
param.window_rect = window_rect;
param.clip_rect = clip_rect;
param.windowless_buffer = TransportDIB::DefaultHandleValue();
param.background_buffer = TransportDIB::DefaultHandleValue();
param.transparent = transparent_;
#if defined(OS_POSIX)
// If we're using POSIX mmap'd TransportDIBs, sending the handle across
// IPC establishes a new mapping rather than just sending a window ID,
// so only do so if we've actually recreated the shared memory bitmaps.
if (bitmaps_changed)
#endif
{
if (transport_store_.get())
param.windowless_buffer = transport_store_->handle();
if (background_store_.get())
param.background_buffer = background_store_->handle();
}
IPC::Message* msg;
#if defined (OS_WIN)
if (UseSynchronousGeometryUpdates()) {
msg = new PluginMsg_UpdateGeometrySync(instance_id_, param);
} else // NOLINT
#endif
{
msg = new PluginMsg_UpdateGeometry(instance_id_, param);
msg->set_unblock(true);
}
Send(msg);
}
void WebPluginDelegateProxy::ResetWindowlessBitmaps() {
#if defined(OS_MACOSX)
DCHECK(!background_store_.get());
// The Mac TransportDIB implementation uses base::SharedMemory, which
// cannot be disposed of if an in-flight UpdateGeometry message refers to
// the shared memory file descriptor. The old_transport_dibs_ map holds
// old TransportDIBs waiting to die, keyed by the |ack_key| values used in
// UpdateGeometry messages. When an UpdateGeometry_ACK message arrives,
// the associated TransportDIB can be released.
if (transport_store_.get()) {
int ack_key = transport_store_->handle().fd;
DCHECK_NE(ack_key, -1);
// DCHECK_EQ does not work with base::hash_map.
DCHECK(old_transport_dibs_.find(ack_key) == old_transport_dibs_.end());
// Stash the old TransportDIB in the map. It'll be released when an
// ACK message comes in.
old_transport_dibs_[ack_key] =
linked_ptr<TransportDIB>(transport_store_.release());
}
#else
transport_store_.reset();
background_store_.reset();
#endif
#if defined(OS_WIN)
backing_store_.reset();
#else
backing_store_.resize(0);
#endif
backing_store_canvas_.reset();
transport_store_canvas_.reset();
background_store_canvas_.reset();
backing_store_painted_ = gfx::Rect();
}
static size_t BitmapSizeForPluginRect(const gfx::Rect& plugin_rect) {
const size_t stride =
skia::PlatformCanvas::StrideForWidth(plugin_rect.width());
return stride * plugin_rect.height();
}
#if !defined(OS_WIN)
bool WebPluginDelegateProxy::CreateLocalBitmap(
std::vector<uint8>* memory,
scoped_ptr<skia::PlatformCanvas>* canvas) {
const size_t size = BitmapSizeForPluginRect(plugin_rect_);
memory->resize(size);
if (memory->size() != size)
return false;
canvas->reset(new skia::PlatformCanvas(
plugin_rect_.width(), plugin_rect_.height(), true, &((*memory)[0])));
return true;
}
#endif
bool WebPluginDelegateProxy::CreateSharedBitmap(
scoped_ptr<TransportDIB>* memory,
scoped_ptr<skia::PlatformCanvas>* canvas) {
const size_t size = BitmapSizeForPluginRect(plugin_rect_);
#if defined(OS_POSIX) && !defined(OS_MACOSX)
memory->reset(TransportDIB::Create(size, 0));
if (!memory->get())
return false;
#endif
#if defined(OS_MACOSX)
TransportDIB::Handle handle;
IPC::Message* msg = new ViewHostMsg_AllocTransportDIB(size, true, &handle);
if (!RenderThread::current()->Send(msg))
return false;
if (handle.fd < 0)
return false;
memory->reset(TransportDIB::Map(handle));
#else
static uint32 sequence_number = 0;
memory->reset(TransportDIB::Create(size, sequence_number++));
#endif
canvas->reset((*memory)->GetPlatformCanvas(plugin_rect_.width(),
plugin_rect_.height()));
return !!canvas->get();
}
#if defined(OS_MACOSX)
// Flips |rect| vertically within an enclosing rect with height |height|.
// Intended for converting rects between flipped and non-flipped contexts.
static void FlipRectVerticallyWithHeight(gfx::Rect* rect, int height) {
rect->set_y(height - rect->y() - rect->height());
}
#endif
void WebPluginDelegateProxy::Paint(WebKit::WebCanvas* canvas,
const gfx::Rect& damaged_rect) {
// Limit the damaged rectangle to whatever is contained inside the plugin
// rectangle, as that's the rectangle that we'll actually draw.
gfx::Rect rect = damaged_rect.Intersect(plugin_rect_);
// If the plugin is no longer connected (channel crashed) draw a crashed
// plugin bitmap
if (!channel_host_ || !channel_host_->channel_valid()) {
PaintSadPlugin(canvas, rect);
return;
}
if (!uses_shared_bitmaps_)
return;
// We got a paint before the plugin's coordinates, so there's no buffer to
// copy from.
if (!backing_store_canvas_.get())
return;
// We're using the native OS APIs from here on out.
#if WEBKIT_USING_SKIA
gfx::NativeDrawingContext context = canvas->beginPlatformPaint();
#elif WEBKIT_USING_CG
gfx::NativeDrawingContext context = canvas;
#endif
gfx::Rect offset_rect = rect;
offset_rect.Offset(-plugin_rect_.x(), -plugin_rect_.y());
gfx::Rect canvas_rect = offset_rect;
#if defined(OS_MACOSX)
// The canvases are flipped relative to the context, so flip the rect too.
FlipRectVerticallyWithHeight(&canvas_rect, plugin_rect_.height());
#endif
bool background_changed = false;
if (background_store_canvas_.get() && BackgroundChanged(context, rect)) {
background_changed = true;
gfx::Rect flipped_offset_rect = offset_rect;
BlitContextToCanvas(background_store_canvas_.get(), canvas_rect,
context, rect.origin());
}
if (background_changed || !backing_store_painted_.Contains(offset_rect)) {
Send(new PluginMsg_Paint(instance_id_, offset_rect));
CopyFromTransportToBacking(offset_rect);
}
BlitCanvasToContext(context, rect, backing_store_canvas_.get(),
canvas_rect.origin());
if (invalidate_pending_) {
// Only send the PaintAck message if this paint is in response to an
// invalidate from the plugin, since this message acts as an access token
// to ensure only one process is using the transport dib at a time.
invalidate_pending_ = false;
Send(new PluginMsg_DidPaint(instance_id_));
}
#if WEBKIT_USING_SKIA
canvas->endPlatformPaint();
#endif
}
bool WebPluginDelegateProxy::BackgroundChanged(
gfx::NativeDrawingContext context,
const gfx::Rect& rect) {
#if defined(OS_WIN)
HBITMAP hbitmap = static_cast<HBITMAP>(GetCurrentObject(context, OBJ_BITMAP));
if (hbitmap == NULL) {
NOTREACHED();
return true;
}
BITMAP bitmap = { 0 };
int result = GetObject(hbitmap, sizeof(bitmap), &bitmap);
if (!result) {
NOTREACHED();
return true;
}
XFORM xf;
if (!GetWorldTransform(context, &xf)) {
NOTREACHED();
return true;
}
// The damaged rect that we're given can be larger than the bitmap, so
// intersect their rects first.
gfx::Rect bitmap_rect(static_cast<int>(-xf.eDx), static_cast<int>(-xf.eDy),
bitmap.bmWidth, bitmap.bmHeight);
gfx::Rect check_rect = rect.Intersect(bitmap_rect);
int row_byte_size = check_rect.width() * (bitmap.bmBitsPixel / 8);
for (int y = check_rect.y(); y < check_rect.bottom(); y++) {
char* hdc_row_start = static_cast<char*>(bitmap.bmBits) +
(y + static_cast<int>(xf.eDy)) * bitmap.bmWidthBytes +
(check_rect.x() + static_cast<int>(xf.eDx)) * (bitmap.bmBitsPixel / 8);
// getAddr32 doesn't use the translation units, so we have to subtract
// the plugin origin from the coordinates.
uint32_t* canvas_row_start =
background_store_canvas_->getDevice()->accessBitmap(true).getAddr32(
check_rect.x() - plugin_rect_.x(), y - plugin_rect_.y());
if (memcmp(hdc_row_start, canvas_row_start, row_byte_size) != 0)
return true;
}
#else
#if defined(OS_MACOSX)
// If there is a translation on the content area context, we need to account
// for it; the context may be a subset of the full content area with a
// transform that makes the coordinates work out.
CGAffineTransform transform = CGContextGetCTM(context);
bool flipped = fabs(transform.d + 1) < 0.0001;
CGFloat context_offset_x = -transform.tx;
CGFloat context_offset_y = flipped ? transform.ty -
CGBitmapContextGetHeight(context)
: -transform.ty;
gfx::Rect full_content_rect(context_offset_x, context_offset_y,
CGBitmapContextGetWidth(context),
CGBitmapContextGetHeight(context));
#else
cairo_surface_t* page_surface = cairo_get_target(context);
DCHECK_EQ(cairo_surface_get_type(page_surface), CAIRO_SURFACE_TYPE_IMAGE);
DCHECK_EQ(cairo_image_surface_get_format(page_surface), CAIRO_FORMAT_ARGB32);
// Transform context coordinates into surface coordinates.
double page_x_double = rect.x();
double page_y_double = rect.y();
cairo_user_to_device(context, &page_x_double, &page_y_double);
gfx::Rect full_content_rect(0, 0,
cairo_image_surface_get_width(page_surface),
cairo_image_surface_get_height(page_surface));
#endif
// According to comments in the Windows code, the damage rect that we're given
// may project outside the image, so intersect their rects.
gfx::Rect content_rect = rect.Intersect(full_content_rect);
#if defined(OS_MACOSX)
const unsigned char* page_bytes = static_cast<const unsigned char*>(
CGBitmapContextGetData(context));
int page_stride = CGBitmapContextGetBytesPerRow(context);
int page_start_x = content_rect.x() - context_offset_x;
int page_start_y = content_rect.y() - context_offset_y;
CGContextRef bg_context =
background_store_canvas_->getTopPlatformDevice().GetBitmapContext();
DCHECK_EQ(CGBitmapContextGetBitsPerPixel(context),
CGBitmapContextGetBitsPerPixel(bg_context));
const unsigned char* bg_bytes = static_cast<const unsigned char*>(
CGBitmapContextGetData(bg_context));
int full_bg_width = CGBitmapContextGetWidth(bg_context);
int full_bg_height = CGBitmapContextGetHeight(bg_context);
int bg_stride = CGBitmapContextGetBytesPerRow(bg_context);
int bg_last_row = CGBitmapContextGetHeight(bg_context) - 1;
int bytes_per_pixel = CGBitmapContextGetBitsPerPixel(context) / 8;
#else
cairo_surface_flush(page_surface);
const unsigned char* page_bytes = cairo_image_surface_get_data(page_surface);
int page_stride = cairo_image_surface_get_stride(page_surface);
int page_start_x = static_cast<int>(page_x_double);
int page_start_y = static_cast<int>(page_y_double);
skia::PlatformDevice& device =
background_store_canvas_->getTopPlatformDevice();
cairo_surface_t* bg_surface = cairo_get_target(device.beginPlatformPaint());
DCHECK_EQ(cairo_surface_get_type(bg_surface), CAIRO_SURFACE_TYPE_IMAGE);
DCHECK_EQ(cairo_image_surface_get_format(bg_surface), CAIRO_FORMAT_ARGB32);
cairo_surface_flush(bg_surface);
const unsigned char* bg_bytes = cairo_image_surface_get_data(bg_surface);
int full_bg_width = cairo_image_surface_get_width(bg_surface);
int full_bg_height = cairo_image_surface_get_height(bg_surface);
int bg_stride = cairo_image_surface_get_stride(bg_surface);
int bytes_per_pixel = 4; // ARGB32 = 4 bytes per pixel.
#endif
int damage_width = content_rect.width();
int damage_height = content_rect.height();
int bg_start_x = rect.x() - plugin_rect_.x();
int bg_start_y = rect.y() - plugin_rect_.y();
// The damage rect is supposed to have been intersected with the plugin rect;
// double-check, since if it hasn't we'll walk off the end of the buffer.
DCHECK_LE(bg_start_x + damage_width, full_bg_width);
DCHECK_LE(bg_start_y + damage_height, full_bg_height);
int bg_x_byte_offset = bg_start_x * bytes_per_pixel;
int page_x_byte_offset = page_start_x * bytes_per_pixel;
for (int row = 0; row < damage_height; ++row) {
int page_offset = page_stride * (page_start_y + row) + page_x_byte_offset;
int bg_y = bg_start_y + row;
#if defined(OS_MACOSX)
// The background buffer is upside down relative to the content.
bg_y = bg_last_row - bg_y;
#endif
int bg_offset = bg_stride * bg_y + bg_x_byte_offset;
if (memcmp(page_bytes + page_offset,
bg_bytes + bg_offset,
damage_width * bytes_per_pixel) != 0)
return true;
}
#endif
return false;
}
void WebPluginDelegateProxy::Print(gfx::NativeDrawingContext context) {
base::SharedMemoryHandle shared_memory;
uint32 size;
if (!Send(new PluginMsg_Print(instance_id_, &shared_memory, &size)))
return;
base::SharedMemory memory(shared_memory, true);
if (!memory.Map(size)) {
NOTREACHED();
return;
}
#if defined(OS_WIN)
scoped_ptr<printing::NativeMetafile> metafile(
printing::NativeMetafileFactory::CreateMetafile());
if (!metafile->Init(memory.memory(), size)) {
NOTREACHED();
return;
}
// Playback the buffer.
metafile->Playback(context, NULL);
#else
// TODO(port): plugin printing.
NOTIMPLEMENTED();
#endif
}
NPObject* WebPluginDelegateProxy::GetPluginScriptableObject() {
if (npobject_)
return WebBindings::retainObject(npobject_);
int route_id = MSG_ROUTING_NONE;
Send(new PluginMsg_GetPluginScriptableObject(instance_id_, &route_id));
if (route_id == MSG_ROUTING_NONE)
return NULL;
npobject_ = NPObjectProxy::Create(
channel_host_.get(), route_id, 0, page_url_);
return WebBindings::retainObject(npobject_);
}
void WebPluginDelegateProxy::DidFinishLoadWithReason(
const GURL& url, NPReason reason, int notify_id) {
Send(new PluginMsg_DidFinishLoadWithReason(
instance_id_, url, reason, notify_id));
}
void WebPluginDelegateProxy::SetFocus(bool focused) {
Send(new PluginMsg_SetFocus(instance_id_, focused));
}
bool WebPluginDelegateProxy::HandleInputEvent(
const WebInputEvent& event,
WebCursorInfo* cursor_info) {
bool handled;
WebCursor cursor;
// A windowless plugin can enter a modal loop in the context of a
// NPP_HandleEvent call, in which case we need to pump messages to
// the plugin. We pass of the corresponding event handle to the
// plugin process, which is set if the plugin does enter a modal loop.
IPC::SyncMessage* message = new PluginMsg_HandleInputEvent(
instance_id_, &event, &handled, &cursor);
message->set_pump_messages_event(modal_loop_pump_messages_event_.get());
Send(message);
cursor.GetCursorInfo(cursor_info);
return handled;
}
int WebPluginDelegateProxy::GetProcessId() {
return channel_host_->peer_pid();
}
void WebPluginDelegateProxy::SetContentAreaFocus(bool has_focus) {
IPC::Message* msg = new PluginMsg_SetContentAreaFocus(instance_id_,
has_focus);
// Make sure focus events are delivered in the right order relative to
// sync messages they might interact with (Paint, HandleEvent, etc.).
msg->set_unblock(true);
Send(msg);
}
#if defined(OS_MACOSX)
void WebPluginDelegateProxy::SetWindowFocus(bool window_has_focus) {
IPC::Message* msg = new PluginMsg_SetWindowFocus(instance_id_,
window_has_focus);
// Make sure focus events are delivered in the right order relative to
// sync messages they might interact with (Paint, HandleEvent, etc.).
msg->set_unblock(true);
Send(msg);
}
void WebPluginDelegateProxy::SetContainerVisibility(bool is_visible) {
IPC::Message* msg;
if (is_visible) {
gfx::Rect window_frame = render_view_->rootWindowRect();
gfx::Rect view_frame = render_view_->windowRect();
WebKit::WebView* webview = render_view_->webview();
msg = new PluginMsg_ContainerShown(instance_id_, window_frame, view_frame,
webview && webview->isActive());
} else {
msg = new PluginMsg_ContainerHidden(instance_id_);
}
// Make sure visibility events are delivered in the right order relative to
// sync messages they might interact with (Paint, HandleEvent, etc.).
msg->set_unblock(true);
Send(msg);
}
void WebPluginDelegateProxy::WindowFrameChanged(gfx::Rect window_frame,
gfx::Rect view_frame) {
IPC::Message* msg = new PluginMsg_WindowFrameChanged(instance_id_,
window_frame,
view_frame);
// Make sure frame events are delivered in the right order relative to
// sync messages they might interact with (e.g., HandleEvent).
msg->set_unblock(true);
Send(msg);
}
void WebPluginDelegateProxy::ImeCompositionCompleted(const string16& text,
int plugin_id) {
// If the message isn't intended for this plugin, there's nothing to do.
if (instance_id_ != plugin_id)
return;
IPC::Message* msg = new PluginMsg_ImeCompositionCompleted(instance_id_,
text);
// Order relative to other key events is important.
msg->set_unblock(true);
Send(msg);
}
#endif // OS_MACOSX
void WebPluginDelegateProxy::OnSetWindow(gfx::PluginWindowHandle window) {
uses_shared_bitmaps_ = !window;
window_ = window;
if (plugin_)
plugin_->SetWindow(window);
}
void WebPluginDelegateProxy::WillDestroyWindow() {
DCHECK(window_);
plugin_->WillDestroyWindow(window_);
#if defined(OS_MACOSX)
if (window_) {
// This is actually a "fake" window handle only for the GPU
// plugin. Deallocate it on the browser side.
if (render_view_)
render_view_->DestroyFakePluginWindowHandle(window_);
}
#endif
window_ = gfx::kNullPluginWindow;
}
#if defined(OS_WIN)
void WebPluginDelegateProxy::OnSetWindowlessPumpEvent(
HANDLE modal_loop_pump_messages_event) {
DCHECK(modal_loop_pump_messages_event_ == NULL);
// Bug 25583: this can be null because some "virus scanners" block the
// DuplicateHandle call in the plugin process.
if (!modal_loop_pump_messages_event)
return;
modal_loop_pump_messages_event_.reset(
new base::WaitableEvent(modal_loop_pump_messages_event));
}
#endif
void WebPluginDelegateProxy::OnCancelResource(int id) {
if (plugin_)
plugin_->CancelResource(id);
}
void WebPluginDelegateProxy::OnInvalidateRect(const gfx::Rect& rect) {
if (!plugin_)
return;
// Clip the invalidation rect to the plugin bounds; the plugin may have been
// resized since the invalidate message was sent.
const gfx::Rect clipped_rect(rect.Intersect(gfx::Rect(plugin_rect_.size())));
invalidate_pending_ = true;
CopyFromTransportToBacking(clipped_rect);
plugin_->InvalidateRect(clipped_rect);
}
void WebPluginDelegateProxy::OnGetWindowScriptNPObject(
int route_id, bool* success) {
*success = false;
NPObject* npobject = NULL;
if (plugin_)
npobject = plugin_->GetWindowScriptNPObject();
if (!npobject)
return;
// The stub will delete itself when the proxy tells it that it's released, or
// otherwise when the channel is closed.
window_script_object_ = (new NPObjectStub(
npobject, channel_host_.get(), route_id, 0, page_url_))->AsWeakPtr();
*success = true;
}
void WebPluginDelegateProxy::OnGetPluginElement(int route_id, bool* success) {
*success = false;
NPObject* npobject = NULL;
if (plugin_)
npobject = plugin_->GetPluginElement();
if (!npobject)
return;
// The stub will delete itself when the proxy tells it that it's released, or
// otherwise when the channel is closed.
new NPObjectStub(
npobject, channel_host_.get(), route_id, 0, page_url_);
*success = true;
}
void WebPluginDelegateProxy::OnSetCookie(const GURL& url,
const GURL& first_party_for_cookies,
const std::string& cookie) {
if (plugin_)
plugin_->SetCookie(url, first_party_for_cookies, cookie);
}
void WebPluginDelegateProxy::OnGetCookies(const GURL& url,
const GURL& first_party_for_cookies,
std::string* cookies) {
DCHECK(cookies);
if (plugin_)
*cookies = plugin_->GetCookies(url, first_party_for_cookies);
}
void WebPluginDelegateProxy::OnShowModalHTMLDialog(
const GURL& url, int width, int height, const std::string& json_arguments,
std::string* json_retval) {
DCHECK(json_retval);
if (render_view_) {
render_view_->ShowModalHTMLDialogForPlugin(
url, gfx::Size(width, height), json_arguments, json_retval);
}
}
static void EncodeDragData(const WebDragData& data, bool add_data,
NPVariant* drag_type, NPVariant* drag_data) {
const NPString* np_drag_type;
if (data.containsFilenames()) {
static const NPString kFiles = { "Files", 5 };
np_drag_type = &kFiles;
} else {
static const NPString kEmpty = { "" , 0 };
np_drag_type = &kEmpty;
add_data = false;
}
STRINGN_TO_NPVARIANT(np_drag_type->UTF8Characters,
np_drag_type->UTF8Length,
*drag_type);
if (!add_data) {
VOID_TO_NPVARIANT(*drag_data);
return;
}
WebVector<WebString> files;
data.filenames(files);
static std::string utf8;
utf8.clear();
for (size_t i = 0; i < files.size(); ++i) {
static const char kBackspaceDelimiter('\b');
if (i != 0)
utf8.append(1, kBackspaceDelimiter);
utf8.append(files[i].utf8());
}
STRINGN_TO_NPVARIANT(utf8.data(), utf8.length(), *drag_data);
}
void WebPluginDelegateProxy::OnGetDragData(const NPVariant_Param& object,
bool add_data,
std::vector<NPVariant_Param>* values,
bool* success) {
DCHECK(values && success);
*success = false;
WebView* webview = NULL;
if (render_view_)
webview = render_view_->webview();
if (!webview)
return;
int event_id;
WebDragData data;
DCHECK(object.type == NPVARIANT_PARAM_RECEIVER_OBJECT_ROUTING_ID);
NPObjectBase* npobject_base =
channel_host_->GetNPObjectListenerForRoute(object.npobject_routing_id);
if (!npobject_base) {
DLOG(WARNING) << "Invalid routing id passed in"
<< object.npobject_routing_id;
return;
}
NPObject* event = npobject_base->GetUnderlyingNPObject();
DCHECK(event != NULL);
const int32 drag_id = webview->dragIdentity();
if (!drag_id || !WebBindings::getDragData(event, &event_id, &data))
return;
NPVariant results[4];
INT32_TO_NPVARIANT(drag_id, results[0]);
INT32_TO_NPVARIANT(event_id, results[1]);
EncodeDragData(data, add_data, &results[2], &results[3]);
for (size_t i = 0; i < arraysize(results); ++i) {
values->push_back(NPVariant_Param());
CreateNPVariantParam(
results[i], NULL, &values->back(), false, 0, page_url_);
}
*success = true;
}
void WebPluginDelegateProxy::OnSetDropEffect(const NPVariant_Param& object,
int effect,
bool* success) {
DCHECK(success);
*success = false;
WebView* webview = NULL;
if (render_view_)
webview = render_view_->webview();
if (!webview)
return;
DCHECK(object.type == NPVARIANT_PARAM_RECEIVER_OBJECT_ROUTING_ID);
NPObjectBase* npobject_base =
channel_host_->GetNPObjectListenerForRoute(object.npobject_routing_id);
if (!npobject_base) {
DLOG(WARNING) << "Invalid routing id passed in"
<< object.npobject_routing_id;
return;
}
NPObject* event = npobject_base->GetUnderlyingNPObject();
DCHECK(event != NULL);
const int32 drag_id = webview->dragIdentity();
if (!drag_id || !WebBindings::isDragEvent(event))
return;
*success = webview->setDropEffect(effect != 0);
}
void WebPluginDelegateProxy::OnMissingPluginStatus(int status) {
if (render_view_)
render_view_->OnMissingPluginStatus(this, status);
}
void WebPluginDelegateProxy::OnGetCPBrowsingContext(uint32* context) {
*context = render_view_ ? render_view_->GetCPBrowsingContext() : 0;
}
void WebPluginDelegateProxy::PaintSadPlugin(WebKit::WebCanvas* native_context,
const gfx::Rect& rect) {
// Lazily load the sad plugin image.
if (!sad_plugin_) {
sad_plugin_ = ResourceBundle::GetSharedInstance().GetBitmapNamed(
IDR_SAD_PLUGIN);
}
if (!sad_plugin_)
return;
// Make a temporary canvas for the background image.
const int width = plugin_rect_.width();
const int height = plugin_rect_.height();
gfx::CanvasSkia canvas(width, height, false);
#if defined(OS_MACOSX)
// Flip the canvas, since the context expects flipped data.
canvas.translate(0, height);
canvas.scale(1, -1);
#endif
SkPaint paint;
paint.setStyle(SkPaint::kFill_Style);
paint.setColor(SK_ColorBLACK);
canvas.drawRectCoords(0, 0, SkIntToScalar(width), SkIntToScalar(height),
paint);
canvas.DrawBitmapInt(*sad_plugin_,
std::max(0, (width - sad_plugin_->width())/2),
std::max(0, (height - sad_plugin_->height())/2));
// It's slightly less code to make a big SkBitmap of the sad tab image and
// then copy that to the screen than to use the native APIs. The small speed
// penalty is not important when drawing crashed plugins.
#if WEBKIT_USING_SKIA
gfx::NativeDrawingContext context = native_context->beginPlatformPaint();
BlitCanvasToContext(context, plugin_rect_, &canvas, gfx::Point(0, 0));
native_context->endPlatformPaint();
#elif WEBKIT_USING_CG
BlitCanvasToContext(native_context, plugin_rect_, &canvas, gfx::Point(0, 0));
#endif
}
void WebPluginDelegateProxy::CopyFromTransportToBacking(const gfx::Rect& rect) {
if (!backing_store_canvas_.get()) {
return;
}
// Copy the damaged rect from the transport bitmap to the backing store.
#if defined(OS_MACOSX)
// Blitting the bits directly is much faster than going through CG, and since
// since the goal is just to move the raw pixels between two bitmaps with the
// same pixel format (no compositing, color correction, etc.), it's safe.
const size_t stride =
skia::PlatformCanvas::StrideForWidth(plugin_rect_.width());
const size_t chunk_size = 4 * rect.width();
uint8* source_data = static_cast<uint8*>(transport_store_->memory()) +
rect.y() * stride + 4 * rect.x();
// The two bitmaps are flipped relative to each other.
int dest_starting_row = plugin_rect_.height() - rect.y() - 1;
DCHECK(!backing_store_.empty());
uint8* target_data = &(backing_store_[0]) + dest_starting_row * stride +
4 * rect.x();
for (int row = 0; row < rect.height(); ++row) {
memcpy(target_data, source_data, chunk_size);
source_data += stride;
target_data -= stride;
}
#else
BlitCanvasToCanvas(backing_store_canvas_.get(), rect,
transport_store_canvas_.get(), rect.origin());
#endif
backing_store_painted_ = backing_store_painted_.Union(rect);
}
void WebPluginDelegateProxy::OnHandleURLRequest(
const PluginHostMsg_URLRequest_Params& params) {
const char* data = NULL;
if (params.buffer.size())
data = ¶ms.buffer[0];
const char* target = NULL;
if (params.target.length())
target = params.target.c_str();
plugin_->HandleURLRequest(
params.url.c_str(), params.method.c_str(), target, data,
static_cast<unsigned int>(params.buffer.size()), params.notify_id,
params.popups_allowed, params.notify_redirects);
}
webkit::npapi::WebPluginResourceClient*
WebPluginDelegateProxy::CreateResourceClient(
unsigned long resource_id, const GURL& url, int notify_id) {
if (!channel_host_)
return NULL;
ResourceClientProxy* proxy = new ResourceClientProxy(channel_host_,
instance_id_);
proxy->Initialize(resource_id, url, notify_id);
return proxy;
}
webkit::npapi::WebPluginResourceClient*
WebPluginDelegateProxy::CreateSeekableResourceClient(
unsigned long resource_id, int range_request_id) {
if (!channel_host_)
return NULL;
ResourceClientProxy* proxy = new ResourceClientProxy(channel_host_,
instance_id_);
proxy->InitializeForSeekableStream(resource_id, range_request_id);
return proxy;
}
#if defined(OS_MACOSX)
void WebPluginDelegateProxy::OnFocusChanged(bool focused) {
if (render_view_)
render_view_->PluginFocusChanged(focused, instance_id_);
}
void WebPluginDelegateProxy::OnStartIme() {
if (render_view_)
render_view_->StartPluginIme();
}
void WebPluginDelegateProxy::OnBindFakePluginWindowHandle(bool opaque) {
BindFakePluginWindowHandle(opaque);
}
// Synthesize a fake window handle for the plug-in to identify the instance
// to the browser, allowing mapping to a surface for hardware acceleration
// of plug-in content. The browser generates the handle which is then set on
// the plug-in. Returns true if it successfully sets the window handle on the
// plug-in.
bool WebPluginDelegateProxy::BindFakePluginWindowHandle(bool opaque) {
gfx::PluginWindowHandle fake_window = NULL;
if (render_view_)
fake_window = render_view_->AllocateFakePluginWindowHandle(opaque, false);
// If we aren't running on 10.6, this allocation will fail.
if (!fake_window)
return false;
OnSetWindow(fake_window);
if (!Send(new PluginMsg_SetFakeAcceleratedSurfaceWindowHandle(instance_id_,
fake_window))) {
return false;
}
// Since this isn't a real window, it doesn't get initial size and location
// information the way a real windowed plugin would, so we need to feed it its
// starting geometry.
webkit::npapi::WebPluginGeometry geom;
geom.window = fake_window;
geom.window_rect = plugin_rect_;
geom.clip_rect = clip_rect_;
geom.rects_valid = true;
geom.visible = true;
render_view_->DidMovePlugin(geom);
// Invalidate the plugin region to ensure that the move event actually gets
// dispatched (for a plugin on an otherwise static page).
render_view_->didInvalidateRect(WebKit::WebRect(plugin_rect_.x(),
plugin_rect_.y(),
plugin_rect_.width(),
plugin_rect_.height()));
return true;
}
#endif
gfx::PluginWindowHandle WebPluginDelegateProxy::GetPluginWindowHandle() {
return window_;
}
void WebPluginDelegateProxy::OnCancelDocumentLoad() {
plugin_->CancelDocumentLoad();
}
void WebPluginDelegateProxy::OnInitiateHTTPRangeRequest(
const std::string& url,
const std::string& range_info,
int range_request_id) {
plugin_->InitiateHTTPRangeRequest(
url.c_str(), range_info.c_str(), range_request_id);
}
void WebPluginDelegateProxy::OnDeferResourceLoading(unsigned long resource_id,
bool defer) {
plugin_->SetDeferResourceLoading(resource_id, defer);
}
#if defined(OS_MACOSX)
void WebPluginDelegateProxy::OnUpdateGeometry_ACK(int ack_key) {
DCHECK_NE(ack_key, -1);
OldTransportDIBMap::iterator iterator = old_transport_dibs_.find(ack_key);
// DCHECK_NE does not work with base::hash_map.
DCHECK(iterator != old_transport_dibs_.end());
// Now that the ACK has been received, the TransportDIB that was used
// prior to the UpdateGeometry message now being acknowledged is known to
// be no longer needed. Release it, and take the stale entry out of the map.
ReleaseTransportDIB(iterator->second.get());
old_transport_dibs_.erase(iterator);
}
void WebPluginDelegateProxy::OnAcceleratedSurfaceSetIOSurface(
gfx::PluginWindowHandle window,
int32 width,
int32 height,
uint64 io_surface_identifier) {
if (render_view_)
render_view_->AcceleratedSurfaceSetIOSurface(window, width, height,
io_surface_identifier);
}
void WebPluginDelegateProxy::OnAcceleratedSurfaceSetTransportDIB(
gfx::PluginWindowHandle window,
int32 width,
int32 height,
TransportDIB::Handle transport_dib) {
if (render_view_)
render_view_->AcceleratedSurfaceSetTransportDIB(window, width, height,
transport_dib);
}
void WebPluginDelegateProxy::OnAcceleratedSurfaceAllocTransportDIB(
size_t size,
TransportDIB::Handle* dib_handle) {
if (render_view_)
*dib_handle = render_view_->AcceleratedSurfaceAllocTransportDIB(size);
else
*dib_handle = TransportDIB::DefaultHandleValue();
}
void WebPluginDelegateProxy::OnAcceleratedSurfaceFreeTransportDIB(
TransportDIB::Id dib_id) {
if (render_view_)
render_view_->AcceleratedSurfaceFreeTransportDIB(dib_id);
}
void WebPluginDelegateProxy::OnAcceleratedSurfaceBuffersSwapped(
gfx::PluginWindowHandle window, uint64 surface_id) {
if (render_view_)
render_view_->AcceleratedSurfaceBuffersSwapped(window, surface_id);
}
#endif
#if defined(OS_WIN)
bool WebPluginDelegateProxy::UseSynchronousGeometryUpdates() {
// Need to update geometry synchronously with WMP, otherwise if a site
// scripts the plugin to start playing while it's in the middle of handling
// an update geometry message, videos don't play. See urls in bug 20260.
if (info_.name.find(ASCIIToUTF16("Windows Media Player")) != string16::npos)
return true;
// The move networks plugin needs to be informed of geometry updates
// synchronously.
std::vector<webkit::npapi::WebPluginMimeType>::iterator index;
for (index = info_.mime_types.begin(); index != info_.mime_types.end();
index++) {
if (index->mime_type == "application/x-vnd.moveplayer.qm" ||
index->mime_type == "application/x-vnd.moveplay2.qm" ||
index->mime_type == "application/x-vnd.movenetworks.qm" ||
index->mime_type == "application/x-vnd.mnplayer.qm") {
return true;
}
}
return false;
}
#endif
void WebPluginDelegateProxy::OnURLRedirectResponse(bool allow,
int resource_id) {
if (!plugin_)
return;
plugin_->URLRedirectResponse(allow, resource_id);
}