| // Copyright (c) 2010 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. |
| |
| #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_ICON_MANAGER_H_ |
| #define CHROME_BROWSER_EXTENSIONS_EXTENSION_ICON_MANAGER_H_ |
| #pragma once |
| |
| #include <map> |
| #include <set> |
| #include <string> |
| |
| #include "base/basictypes.h" |
| #include "chrome/browser/extensions/image_loading_tracker.h" |
| #include "third_party/skia/include/core/SkBitmap.h" |
| #include "ui/gfx/insets.h" |
| |
| class Extension; |
| |
| class ExtensionIconManager : public ImageLoadingTracker::Observer { |
| public: |
| ExtensionIconManager(); |
| virtual ~ExtensionIconManager(); |
| |
| // Start loading the icon for the given extension. |
| void LoadIcon(const Extension* extension); |
| |
| // This returns a bitmap of width/height kFaviconSize, loaded either from an |
| // entry specified in the extension's 'icon' section of the manifest, or a |
| // default extension icon. |
| const SkBitmap& GetIcon(const std::string& extension_id); |
| |
| // Removes the extension's icon from memory. |
| void RemoveIcon(const std::string& extension_id); |
| |
| // Implements the ImageLoadingTracker::Observer interface. |
| virtual void OnImageLoaded(SkBitmap* image, const ExtensionResource& resource, |
| int index); |
| |
| void set_monochrome(bool value) { monochrome_ = value; } |
| void set_padding(const gfx::Insets& value) { padding_ = value; } |
| |
| private: |
| // Makes sure we've done one-time initialization of the default extension icon |
| // default_icon_. |
| void EnsureDefaultIcon(); |
| |
| // Helper function to return a copy of |src| with the proper scaling and |
| // coloring. |
| SkBitmap ApplyTransforms(const SkBitmap& src); |
| |
| // Used for loading extension icons. |
| ImageLoadingTracker image_tracker_; |
| |
| // Maps extension id to an SkBitmap with the icon for that extension. |
| std::map<std::string, SkBitmap> icons_; |
| |
| // Set of extension IDs waiting for icons to load. |
| std::set<std::string> pending_icons_; |
| |
| // The default icon we'll use if an extension doesn't have one. |
| SkBitmap default_icon_; |
| |
| // If true, we will desaturate the icons to make them monochromatic. |
| bool monochrome_; |
| |
| // Specifies the amount of empty padding to place around the icon. |
| gfx::Insets padding_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ExtensionIconManager); |
| }; |
| |
| #endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_ICON_MANAGER_H_ |