chrome/browser/extensions/extension_action_icon_factory.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/extensions/extension_action_icon_factory.h"
   6
   7 #include "chrome/browser/extensions/extension_action.h"
   8 #include "chrome/browser/profiles/profile.h"
   9 #include "chrome/common/extensions/extension_icon_set.h"
  10 #include "extensions/common/extension.h"
  11 #include "grit/theme_resources.h"
  12 #include "ui/base/resource/resource_bundle.h"
  13 #include "ui/gfx/image/image_skia.h"
  14
  15 using extensions::Extension;
  16 using extensions::IconImage;
  17
  18 namespace {
  19
  20 gfx::ImageSkia GetDefaultIcon() {
  21   return *ui::ResourceBundle::GetSharedInstance().GetImageNamed(
  22       IDR_EXTENSIONS_FAVICON).ToImageSkia();
  23 }
  24
  25 }  // namespace
  26
  27 ExtensionActionIconFactory::ExtensionActionIconFactory(
  28     Profile* profile,
  29     const Extension* extension,
  30     const ExtensionAction* action,
  31     Observer* observer)
  32     : extension_(extension),
  33       action_(action),
  34       observer_(observer) {
  35   if (action_->default_icon()) {
  36     default_icon_.reset(new IconImage(
  37         profile,
  38         extension_,
  39         *action_->default_icon(),
  40         ExtensionAction::GetIconSizeForType(action_->action_type()),
  41         GetDefaultIcon(),
  42         this));
  43   }
  44 }
  45
  46 ExtensionActionIconFactory::~ExtensionActionIconFactory() {}
  47
  48 // extensions::IconImage::Observer overrides.
  49 void ExtensionActionIconFactory::OnExtensionIconImageChanged(IconImage* image) {
  50   if (observer_)
  51     observer_->OnIconUpdated();
  52 }
  53
  54 gfx::Image ExtensionActionIconFactory::GetIcon(int tab_id) {
  55   gfx::ImageSkia base_icon = GetBaseIconFromAction(tab_id);
  56   return action_->ApplyAttentionAndAnimation(base_icon, tab_id);
  57 }
  58
  59 gfx::ImageSkia ExtensionActionIconFactory::GetBaseIconFromAction(int tab_id) {
  60   gfx::ImageSkia icon = action_->GetExplicitlySetIcon(tab_id);
  61   if (!icon.isNull())
  62     return icon;
  63
  64   if (default_icon_)
  65     return default_icon_->image_skia();
  66
  67   return GetDefaultIcon();
  68 }