Change browser/page action default icon defined in manifest to support hidpi.

chrome/browser/ui/gtk/location_bar_view_gtk.cc

 // Copyright (c) 2012 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/ui/gtk/location_bar_view_gtk.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 1781 matching lines @@
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // LocationBarViewGtk::PageActionViewGtk
 
 LocationBarViewGtk::PageActionViewGtk::PageActionViewGtk(
     LocationBarViewGtk* owner,
     ExtensionAction* page_action)
     : owner_(NULL),
       page_action_(page_action),
-      tracker_(this),
       current_tab_id_(-1),
       window_(NULL),
       accel_group_(NULL),
       preview_enabled_(false),
       ALLOW_THIS_IN_INITIALIZER_LIST(scoped_icon_animation_observer_(
           page_action->GetIconAnimation(
               SessionID::IdForTab(owner->GetTabContents())),
           this)) {
   event_box_.Own(gtk_event_box_new());
   gtk_widget_set_size_request(event_box_.get(),
@@ skipping 10 matching lines @@
                    G_CALLBACK(OnRealizeThunk), this);
 
   image_.Own(gtk_image_new());
   gtk_container_add(GTK_CONTAINER(event_box_.get()), image_.get());
 
   const Extension* extension = owner->browser()->profile()->
       GetExtensionService()->GetExtensionById(page_action->extension_id(),
                                               false);
   DCHECK(extension);
 
-  // Load all the icons declared in the manifest. This is the contents of the
-  // icons array, plus the default_icon property, if any.
-  std::vector<std::string> icon_paths(*page_action->icon_paths());
-  if (!page_action_->default_icon_path().empty())
-    icon_paths.push_back(page_action_->default_icon_path());
-
-  for (std::vector<std::string>::iterator iter = icon_paths.begin();
-       iter != icon_paths.end(); ++iter) {
-    tracker_.LoadImage(extension, extension->GetResource(*iter),
-                       gfx::Size(Extension::kPageActionIconMaxSize,
-                                 Extension::kPageActionIconMaxSize),
-                       ImageLoadingTracker::DONT_CACHE);
-  }
+  icon_factory_.reset(new ExtensionActionIconFactory(extension, this));
 
   // We set the owner last of all so that we can determine whether we are in
   // the process of initializing this class or not.
   owner_ = owner;
 }
 
 LocationBarViewGtk::PageActionViewGtk::~PageActionViewGtk() {
   DisconnectPageActionAccelerator();
 
   image_.Destroy();
@@ skipping 12 matching lines @@
   current_url_ = url;
 
   bool visible = contents &&
       (preview_enabled_ || page_action_->GetIsVisible(current_tab_id_));
   if (visible) {
     // Set the tooltip.
     gtk_widget_set_tooltip_text(event_box_.get(),
         page_action_->GetTitle(current_tab_id_).c_str());
 
     // Set the image.
-    gfx::Image icon = page_action_->GetIcon(current_tab_id_);
+    gfx::Image icon =
+        page_action_->GetIcon(current_tab_id_, icon_factory_.get());
     if (!icon.IsEmpty()) {
       GdkPixbuf* pixbuf = icon.ToGdkPixbuf();
       DCHECK(pixbuf);
       gtk_image_set_from_pixbuf(GTK_IMAGE(image_.get()), pixbuf);
     }
   }
 
   bool old_visible = IsVisible();
   if (visible)
     gtk_widget_show_all(event_box_.get());
   else
     gtk_widget_hide_all(event_box_.get());
 
   if (visible != old_visible) {
     content::NotificationService::current()->Notify(
         chrome::NOTIFICATION_EXTENSION_PAGE_ACTION_VISIBILITY_CHANGED,
         content::Source<ExtensionAction>(page_action_),
         content::Details<WebContents>(contents));
   }
 }
 
-void LocationBarViewGtk::PageActionViewGtk::OnImageLoaded(
-    const gfx::Image& image,
-    const std::string& extension_id,
-    int index) {
-  // We loaded icons()->size() icons, plus one extra if the page action had
-  // a default icon.
-  int total_icons = static_cast<int>(page_action_->icon_paths()->size());
-  if (!page_action_->default_icon_path().empty())
-    total_icons++;
-  DCHECK(index < total_icons);
-
-  // Map the index of the loaded image back to its name. If we ever get an
-  // index greater than the number of icons, it must be the default icon.
-  if (index < static_cast<int>(page_action_->icon_paths()->size()))
-    page_action_->CacheIcon(page_action_->icon_paths()->at(index), image);
-  else
-    page_action_->CacheIcon(page_action_->default_icon_path(), image);
-
+void LocationBarViewGtk::PageActionViewGtk::OnIconUpdated() {
   // If we have no owner, that means this class is still being constructed.
   TabContents* tab_contents = owner_ ? owner_->GetTabContents() : NULL;
   if (tab_contents)
     UpdateVisibility(tab_contents->web_contents(), current_url_);
 }
 
 void LocationBarViewGtk::PageActionViewGtk::TestActivatePageAction() {
   GdkEventButton event = {};
   event.button = 1;
   OnButtonPressed(widget(), &event);
@@ skipping 206 matching lines @@
 }
 
 void LocationBarViewGtk::PageActionViewGtk::InspectPopup(
     ExtensionAction* action) {
   ExtensionPopupGtk::Show(
       action->GetPopupUrl(current_tab_id_),
       owner_->browser_,
       event_box_.get(),
       ExtensionPopupGtk::SHOW_AND_INSPECT);
 }