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| 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 #ifndef CHROME_BROWSER_UI_VIEWS_AURA_LAUNCHER_LAUNCHER_ICON_LOADER_H_ | |
| 6 #define CHROME_BROWSER_UI_VIEWS_AURA_LAUNCHER_LAUNCHER_ICON_LOADER_H_ | |
| 7 #pragma once | |
| 8 | |
| 9 #include <map> | |
| 10 #include <string> | |
| 11 | |
| 12 #include "base/memory/scoped_ptr.h" | |
| 13 #include "chrome/browser/extensions/image_loading_tracker.h" | |
| 14 #include "chrome/browser/ui/views/aura/launcher/chrome_launcher_delegate.h" | |
| 15 | |
| 16 class Extension; | |
| 17 class Profile; | |
| 18 | |
| 19 // Default implementation of LauncherUpdater::AppIconLoader that interacts | |
| 20 // with the ExtensionService and ImageLoadingTracker to load images. | |
| 21 class LauncherIconLoader : public ChromeLauncherDelegate::AppIconLoader, | |
| 22 public ImageLoadingTracker::Observer { | |
| 23 public: | |
| 24 LauncherIconLoader(Profile* profile, ChromeLauncherDelegate* host); | |
| 25 virtual ~LauncherIconLoader(); | |
| 26 | |
| 27 // AppIconLoader: | |
| 28 virtual std::string GetAppID(TabContentsWrapper* tab) OVERRIDE; | |
| 29 virtual bool IsValidID(const std::string& id) OVERRIDE; | |
| 30 virtual void FetchImage(const std::string& id) OVERRIDE; | |
| 31 | |
| 32 // ImageLoadingTracker::Observer: | |
| 33 virtual void OnImageLoaded(SkBitmap* image, | |
| 34 const ExtensionResource& resource, | |
| 35 int index) OVERRIDE; | |
| 36 | |
| 37 private: | |
| 38 typedef std::map<int, std::string> ImageLoaderIDToExtensionIDMap; | |
| 39 | |
| 40 // Returns the extension for the specified tab. | |
| 41 const Extension* GetExtensionForTab(TabContentsWrapper* tab); | |
| 42 | |
| 43 // Returns the extension by ID. | |
| 44 const Extension* GetExtensionByID(const std::string& id); | |
| 45 | |
| 46 Profile* profile_; | |
| 47 | |
| 48 // ChromeLauncherDelegate we're associated with (and owned by). | |
| 49 ChromeLauncherDelegate* host_; | |
| 50 | |
| 51 // Used to load images. | |
| 52 scoped_ptr<ImageLoadingTracker> image_loader_; | |
| 53 | |
| 54 // Maps from id from the ImageLoadingTracker to the extension id. | |
| 55 ImageLoaderIDToExtensionIDMap map_; | |
| 56 | |
| 57 DISALLOW_COPY_AND_ASSIGN(LauncherIconLoader); | |
| 58 }; | |
| 59 | |
| 60 #endif // CHROME_BROWSER_UI_VIEWS_AURA_LAUNCHER_LAUNCHER_ICON_LOADER_H_ | |
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