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// Copyright (c) 2006-2009 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/browser/extensions/extension_host.h"
#include "app/l10n_util.h"
#include "app/resource_bundle.h"
#include "base/string_util.h"
#include "chrome/browser/browser.h"
#include "chrome/browser/browser_list.h"
#include "chrome/browser/debugger/devtools_manager.h"
#include "chrome/browser/extensions/extension_message_service.h"
#include "chrome/browser/profile.h"
#include "chrome/browser/renderer_host/render_view_host.h"
#include "chrome/browser/renderer_host/render_process_host.h"
#include "chrome/browser/renderer_host/render_widget_host.h"
#include "chrome/browser/renderer_host/render_widget_host_view.h"
#include "chrome/browser/renderer_host/site_instance.h"
#include "chrome/browser/tab_contents/infobar_delegate.h"
#include "chrome/browser/tab_contents/tab_contents.h"
#include "chrome/browser/tab_contents/tab_contents_view.h"
#include "chrome/common/bindings_policy.h"
#include "chrome/common/extensions/extension.h"
#include "chrome/common/notification_service.h"
#include "chrome/common/pref_names.h"
#include "chrome/common/pref_service.h"
#include "grit/browser_resources.h"
#include "grit/generated_resources.h"
#include "grit/theme_resources.h"
#include "webkit/glue/context_menu.h"
namespace {
class CrashedExtensionInfobarDelegate : public ConfirmInfoBarDelegate {
public:
CrashedExtensionInfobarDelegate(TabContents* tab_contents,
ExtensionHost* extension_host)
: ConfirmInfoBarDelegate(tab_contents),
extension_host_(extension_host) {
}
virtual std::wstring GetMessageText() const {
return l10n_util::GetStringF(IDS_EXTENSION_CRASHED_INFOBAR_MESSAGE,
UTF8ToWide(extension_host_->extension()->name()));
}
virtual SkBitmap* GetIcon() const {
// TODO(erikkay): Create extension-specific icon. http://crbug.com/14591
return ResourceBundle::GetSharedInstance().GetBitmapNamed(
IDR_INFOBAR_PLUGIN_CRASHED);
}
virtual int GetButtons() const {
return BUTTON_OK;
}
virtual std::wstring GetButtonLabel(
ConfirmInfoBarDelegate::InfoBarButton button) const {
if (button == BUTTON_OK)
return l10n_util::GetString(IDS_EXTENSION_CRASHED_INFOBAR_RESTART_BUTTON);
return ConfirmInfoBarDelegate::GetButtonLabel(button);
}
virtual bool Accept() {
extension_host_->RecoverCrashedExtension();
return true;
}
private:
ExtensionHost* extension_host_;
DISALLOW_COPY_AND_ASSIGN(CrashedExtensionInfobarDelegate);
};
} // namespace
// static
bool ExtensionHost::enable_dom_automation_ = false;
ExtensionHost::ExtensionHost(Extension* extension, SiteInstance* site_instance,
const GURL& url)
: extension_(extension),
profile_(site_instance->browsing_instance()->profile()),
did_stop_loading_(false),
url_(url) {
render_view_host_ = new RenderViewHost(
site_instance, this, MSG_ROUTING_NONE, NULL);
render_view_host_->AllowBindings(BindingsPolicy::EXTENSION);
if (enable_dom_automation_)
render_view_host_->AllowBindings(BindingsPolicy::DOM_AUTOMATION);
}
ExtensionHost::~ExtensionHost() {
NotificationService::current()->Notify(
NotificationType::EXTENSION_HOST_DESTROYED,
Source<Profile>(profile_),
Details<ExtensionHost>(this));
render_view_host_->Shutdown(); // deletes render_view_host
}
void ExtensionHost::CreateView(Browser* browser) {
#if defined(TOOLKIT_VIEWS)
view_.reset(new ExtensionView(this, browser));
// We own |view_|, so don't auto delete when it's removed from the view
// hierarchy.
view_->SetParentOwned(false);
#else
// TODO(port)
NOTREACHED();
#endif
}
RenderProcessHost* ExtensionHost::render_process_host() const {
return render_view_host_->process();
}
SiteInstance* ExtensionHost::site_instance() const {
return render_view_host_->site_instance();
}
bool ExtensionHost::IsRenderViewLive() const {
return render_view_host_->IsRenderViewLive();
}
void ExtensionHost::CreateRenderView(RenderWidgetHostView* host_view) {
render_view_host_->set_view(host_view);
render_view_host_->CreateRenderView();
render_view_host_->NavigateToURL(url_);
}
void ExtensionHost::RecoverCrashedExtension() {
DCHECK(!IsRenderViewLive());
#if defined(TOOLKIT_VIEWS)
if (view_.get()) {
view_->RecoverCrashedExtension();
} else {
CreateRenderView(NULL);
}
#else
CreateRenderView(NULL);
#endif
if (IsRenderViewLive()) {
NotificationService::current()->Notify(
NotificationType::EXTENSION_PROCESS_RESTORED,
Source<Profile>(profile_),
Details<ExtensionHost>(this));
}
}
void ExtensionHost::UpdatePreferredWidth(int pref_width) {
#if defined(OS_WIN)
if (view_.get())
view_->DidContentsPreferredWidthChange(pref_width);
#endif
}
void ExtensionHost::RenderViewGone(RenderViewHost* render_view_host) {
DCHECK_EQ(render_view_host_, render_view_host);
Browser* browser = GetBrowser();
if (browser) {
TabContents* current_tab = browser->GetSelectedTabContents();
if (current_tab) {
current_tab->AddInfoBar(
new CrashedExtensionInfobarDelegate(current_tab, this));
}
}
NotificationService::current()->Notify(
NotificationType::EXTENSION_PROCESS_CRASHED,
Source<Profile>(profile_),
Details<ExtensionHost>(this));
}
void ExtensionHost::DidStopLoading(RenderViewHost* render_view_host) {
// TODO(aa): This is toolstrip-specific and should probably not be here.
// ExtensionToolstrip in bookmark_bar_view.cc?
static const StringPiece toolstrip_css(
ResourceBundle::GetSharedInstance().GetRawDataResource(
IDR_EXTENSIONS_TOOLSTRIP_CSS));
render_view_host->InsertCSSInWebFrame(L"", toolstrip_css.as_string());
did_stop_loading_ = true;
}
void ExtensionHost::RunJavaScriptMessage(const std::wstring& message,
const std::wstring& default_prompt,
const GURL& frame_url,
const int flags,
IPC::Message* reply_msg,
bool* did_suppress_message) {
// Automatically cancel the javascript alert (otherwise the renderer hangs
// indefinitely).
*did_suppress_message = true;
render_view_host()->JavaScriptMessageBoxClosed(reply_msg, true, L"");
}
WebPreferences ExtensionHost::GetWebkitPrefs() {
PrefService* prefs = render_view_host()->process()->profile()->GetPrefs();
const bool kIsDomUI = true;
return RenderViewHostDelegateHelper::GetWebkitPrefs(prefs, kIsDomUI);
}
void ExtensionHost::ProcessDOMUIMessage(const std::string& message,
const std::string& content,
int request_id,
bool has_callback) {
extension_function_dispatcher_->HandleRequest(message, content, request_id,
has_callback);
}
void ExtensionHost::DidInsertCSS() {
#if defined(TOOLKIT_VIEWS)
if (view_.get())
view_->SetDidInsertCSS(true);
#endif
}
RenderViewHostDelegate::View* ExtensionHost::GetViewDelegate() {
// TODO(erikkay) this is unfortunate. The interface declares that this method
// must be const (no good reason for it as far as I can tell) which means you
// can't return self without doing this const_cast. Either we need to change
// the interface, or we need to split out the view delegate into another
// object (which is how TabContents works).
return this;
}
void ExtensionHost::CreateNewWindow(int route_id,
base::WaitableEvent* modal_dialog_event) {
delegate_view_helper_.CreateNewWindow(
route_id, modal_dialog_event, render_view_host()->process()->profile(),
site_instance());
}
void ExtensionHost::CreateNewWidget(int route_id, bool activatable) {
delegate_view_helper_.CreateNewWidget(route_id, activatable,
site_instance()->GetProcess());
}
void ExtensionHost::ShowCreatedWindow(int route_id,
WindowOpenDisposition disposition,
const gfx::Rect& initial_pos,
bool user_gesture,
const GURL& creator_url) {
TabContents* contents = delegate_view_helper_.GetCreatedWindow(route_id);
if (contents) {
Browser* browser = GetBrowser();
DCHECK(browser);
if (!browser)
return;
// TODO(erikkay) is it safe to pass in NULL as source?
browser->AddTabContents(contents, disposition, initial_pos,
user_gesture);
}
}
void ExtensionHost::ShowCreatedWidget(int route_id,
const gfx::Rect& initial_pos) {
RenderWidgetHostView* widget_host_view =
delegate_view_helper_.GetCreatedWidget(route_id);
Browser *browser = GetBrowser();
DCHECK(browser);
if (!browser)
return;
browser->BrowserRenderWidgetShowing();
// TODO(erikkay): These two lines could be refactored with TabContentsView.
widget_host_view->InitAsPopup(render_view_host()->view(), initial_pos);
widget_host_view->GetRenderWidgetHost()->Init();
}
void ExtensionHost::ShowContextMenu(const ContextMenuParams& params) {
// TODO(erikkay) - This is a temporary hack. Show a menu here instead.
DevToolsManager::GetInstance()->OpenDevToolsWindow(render_view_host());
}
void ExtensionHost::StartDragging(const WebDropData& drop_data) {
}
void ExtensionHost::UpdateDragCursor(bool is_drop_target) {
}
void ExtensionHost::GotFocus() {
}
void ExtensionHost::TakeFocus(bool reverse) {
}
void ExtensionHost::HandleKeyboardEvent(const NativeWebKeyboardEvent& event) {
}
void ExtensionHost::HandleMouseEvent() {
#if defined(OS_WIN)
if (view_.get())
view_->HandleMouseEvent();
#endif
}
void ExtensionHost::HandleMouseLeave() {
#if defined(OS_WIN)
if (view_.get())
view_->HandleMouseLeave();
#endif
}
Browser* ExtensionHost::GetBrowser() {
#if defined(OS_WIN)
if (view_.get())
return view_->browser();
#endif
Browser* browser = BrowserList::GetLastActiveWithProfile(
render_view_host()->process()->profile());
// NOTE(rafaelw): This can return NULL in some circumstances. In particular,
// a toolstrip or background_page onload chrome.tabs api call can make it
// into here before the browser is sufficiently initialized to return here.
// A similar situation may arise during shutdown.
// TODO(rafaelw): Delay creation of background_page until the browser
// is available. http://code.google.com/p/chromium/issues/detail?id=13284
return browser;
}
void ExtensionHost::RenderViewCreated(RenderViewHost* render_view_host) {
extension_function_dispatcher_.reset(
new ExtensionFunctionDispatcher(render_view_host_, this, url_));
}
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