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 "ui/gfx/image/image.h"
  10 #include "ui/gfx/image/image_skia.h"
  11
  12 using extensions::Extension;
  13 using extensions::IconImage;
  14
  15 ExtensionActionIconFactory::ExtensionActionIconFactory(
  16     Profile* profile,
  17     const Extension* extension,
  18     ExtensionAction* action,
  19     Observer* observer)
  20     : extension_(extension),
  21       action_(action),
  22       observer_(observer),
  23       icon_image_observer_(this) {
  24   extensions::IconImage* default_icon_image =
  25       action->LoadDefaultIconImage(*extension, profile);
  26   if (default_icon_image)
  27     icon_image_observer_.Add(default_icon_image);
  28 }
  29
  30 ExtensionActionIconFactory::~ExtensionActionIconFactory() {}
  31
  32 // extensions::IconImage::Observer overrides.
  33 void ExtensionActionIconFactory::OnExtensionIconImageChanged(IconImage* image) {
  34   if (observer_)
  35     observer_->OnIconUpdated();
  36 }
  37
  38 void ExtensionActionIconFactory::OnExtensionIconImageDestroyed(
  39     IconImage* image) {
  40   icon_image_observer_.RemoveAll();
  41 }
  42
  43 gfx::Image ExtensionActionIconFactory::GetIcon(int tab_id) {
  44   gfx::Image icon = action_->GetExplicitlySetIcon(tab_id);
  45   if (!icon.IsEmpty())
  46     return icon;
  47
  48   icon = action_->GetDeclarativeIcon(tab_id);
  49   if (!icon.IsEmpty())
  50     return icon;
  51
  52   return action_->GetDefaultIconImage();
  53 }