src/chrome/browser/chromeos/extensions/wallpaper_private_api.h

   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_CHROMEOS_EXTENSIONS_WALLPAPER_PRIVATE_API_H_
   6 #define CHROME_BROWSER_CHROMEOS_EXTENSIONS_WALLPAPER_PRIVATE_API_H_
   7
   8 #include "base/threading/sequenced_worker_pool.h"
   9 #include "chrome/browser/chromeos/extensions/wallpaper_function_base.h"
  10 #include "chrome/common/extensions/api/wallpaper_private.h"
  11 #include "net/url_request/url_fetcher_delegate.h"
  12
  13 namespace chromeos {
  14 class UserImage;
  15 }
  16
  17 // Wallpaper manager strings.
  18 class WallpaperPrivateGetStringsFunction : public SyncExtensionFunction {
  19  public:
  20   DECLARE_EXTENSION_FUNCTION("wallpaperPrivate.getStrings",
  21                              WALLPAPERPRIVATE_GETSTRINGS)
  22
  23  protected:
  24   virtual ~WallpaperPrivateGetStringsFunction() {}
  25
  26   // SyncExtensionFunction overrides.
  27   virtual bool RunImpl() OVERRIDE;
  28 };
  29
  30 class WallpaperPrivateSetWallpaperIfExistsFunction
  31     : public WallpaperFunctionBase {
  32  public:
  33   DECLARE_EXTENSION_FUNCTION("wallpaperPrivate.setWallpaperIfExists",
  34                              WALLPAPERPRIVATE_SETWALLPAPERIFEXISTS)
  35
  36   WallpaperPrivateSetWallpaperIfExistsFunction();
  37
  38  protected:
  39   virtual ~WallpaperPrivateSetWallpaperIfExistsFunction();
  40
  41   // AsyncExtensionFunction overrides.
  42   virtual bool RunImpl() OVERRIDE;
  43
  44  private:
  45   virtual void OnWallpaperDecoded(const gfx::ImageSkia& wallpaper) OVERRIDE;
  46
  47   // File doesn't exist. Sets javascript callback parameter to false.
  48   void OnFileNotExists(const std::string& error);
  49
  50   // Reads file specified by |file_path|. If success, post a task to start
  51   // decoding the file.
  52   void ReadFileAndInitiateStartDecode(const base::FilePath& file_path,
  53                                       const base::FilePath& fallback_path);
  54
  55   scoped_ptr<extensions::api::wallpaper_private::SetWallpaperIfExists::Params>
  56       params;
  57
  58   // Sequence token associated with wallpaper operations. Shared with
  59   // WallpaperManager.
  60   base::SequencedWorkerPool::SequenceToken sequence_token_;
  61 };
  62
  63 class WallpaperPrivateSetWallpaperFunction : public WallpaperFunctionBase {
  64  public:
  65   DECLARE_EXTENSION_FUNCTION("wallpaperPrivate.setWallpaper",
  66                              WALLPAPERPRIVATE_SETWALLPAPER)
  67
  68   WallpaperPrivateSetWallpaperFunction();
  69
  70  protected:
  71   virtual ~WallpaperPrivateSetWallpaperFunction();
  72
  73   // AsyncExtensionFunction overrides.
  74   virtual bool RunImpl() OVERRIDE;
  75
  76  private:
  77   virtual void OnWallpaperDecoded(const gfx::ImageSkia& wallpaper) OVERRIDE;
  78
  79   // Saves the image data to a file.
  80   void SaveToFile();
  81
  82   // Sets wallpaper to the decoded image.
  83   void SetDecodedWallpaper(scoped_ptr<gfx::ImageSkia> wallpaper);
  84
  85   scoped_ptr<extensions::api::wallpaper_private::SetWallpaper::Params> params;
  86
  87   // The decoded wallpaper. It may accessed from UI thread to set wallpaper or
  88   // FILE thread to resize and save wallpaper to disk.
  89   gfx::ImageSkia wallpaper_;
  90
  91   // Email address of logged in user.
  92   std::string email_;
  93
  94   // Sequence token associated with wallpaper operations. Shared with
  95   // WallpaperManager.
  96   base::SequencedWorkerPool::SequenceToken sequence_token_;
  97 };
  98
  99 class WallpaperPrivateResetWallpaperFunction
 100     : public AsyncExtensionFunction {
 101  public:
 102   DECLARE_EXTENSION_FUNCTION("wallpaperPrivate.resetWallpaper",
 103                              WALLPAPERPRIVATE_RESETWALLPAPER)
 104
 105   WallpaperPrivateResetWallpaperFunction();
 106
 107  protected:
 108   virtual ~WallpaperPrivateResetWallpaperFunction();
 109
 110   // AsyncExtensionFunction overrides.
 111   virtual bool RunImpl() OVERRIDE;
 112 };
 113
 114 class WallpaperPrivateSetCustomWallpaperFunction
 115     : public WallpaperFunctionBase {
 116  public:
 117   DECLARE_EXTENSION_FUNCTION("wallpaperPrivate.setCustomWallpaper",
 118                              WALLPAPERPRIVATE_SETCUSTOMWALLPAPER)
 119
 120   WallpaperPrivateSetCustomWallpaperFunction();
 121
 122  protected:
 123   virtual ~WallpaperPrivateSetCustomWallpaperFunction();
 124
 125   // AsyncExtensionFunction overrides.
 126   virtual bool RunImpl() OVERRIDE;
 127
 128  private:
 129   virtual void OnWallpaperDecoded(const gfx::ImageSkia& wallpaper) OVERRIDE;
 130
 131   // Generates thumbnail of custom wallpaper. A simple STRETCH is used for
 132   // generating thunbail.
 133   void GenerateThumbnail(const base::FilePath& thumbnail_path,
 134                          scoped_ptr<gfx::ImageSkia> image);
 135
 136   // Thumbnail is ready. Calls api function javascript callback.
 137   void ThumbnailGenerated(base::RefCountedBytes* data);
 138
 139   scoped_ptr<extensions::api::wallpaper_private::SetCustomWallpaper::Params>
 140       params;
 141
 142   // Email address of logged in user.
 143   std::string email_;
 144
 145   // User id hash of the logged in user.
 146   std::string user_id_hash_;
 147
 148   // Sequence token associated with wallpaper operations. Shared with
 149   // WallpaperManager.
 150   base::SequencedWorkerPool::SequenceToken sequence_token_;
 151 };
 152
 153 class WallpaperPrivateSetCustomWallpaperLayoutFunction
 154     : public AsyncExtensionFunction {
 155  public:
 156   DECLARE_EXTENSION_FUNCTION("wallpaperPrivate.setCustomWallpaperLayout",
 157                              WALLPAPERPRIVATE_SETCUSTOMWALLPAPERLAYOUT)
 158
 159   WallpaperPrivateSetCustomWallpaperLayoutFunction();
 160
 161  protected:
 162   virtual ~WallpaperPrivateSetCustomWallpaperLayoutFunction();
 163
 164   // AsyncExtensionFunction overrides.
 165   virtual bool RunImpl() OVERRIDE;
 166 };
 167
 168 class WallpaperPrivateMinimizeInactiveWindowsFunction
 169     : public AsyncExtensionFunction {
 170  public:
 171   DECLARE_EXTENSION_FUNCTION("wallpaperPrivate.minimizeInactiveWindows",
 172                              WALLPAPERPRIVATE_MINIMIZEINACTIVEWINDOWS)
 173
 174   WallpaperPrivateMinimizeInactiveWindowsFunction();
 175
 176  protected:
 177   virtual ~WallpaperPrivateMinimizeInactiveWindowsFunction();
 178
 179   // AsyncExtensionFunction overrides.
 180   virtual bool RunImpl() OVERRIDE;
 181 };
 182
 183 class WallpaperPrivateRestoreMinimizedWindowsFunction
 184     : public AsyncExtensionFunction {
 185  public:
 186   DECLARE_EXTENSION_FUNCTION("wallpaperPrivate.restoreMinimizedWindows",
 187                              WALLPAPERPRIVATE_RESTOREMINIMIZEDWINDOWS)
 188
 189   WallpaperPrivateRestoreMinimizedWindowsFunction();
 190
 191  protected:
 192   virtual ~WallpaperPrivateRestoreMinimizedWindowsFunction();
 193
 194   // AsyncExtensionFunction overrides.
 195   virtual bool RunImpl() OVERRIDE;
 196 };
 197
 198 class WallpaperPrivateGetThumbnailFunction : public AsyncExtensionFunction {
 199  public:
 200   DECLARE_EXTENSION_FUNCTION("wallpaperPrivate.getThumbnail",
 201                              WALLPAPERPRIVATE_GETTHUMBNAIL)
 202
 203   WallpaperPrivateGetThumbnailFunction();
 204
 205  protected:
 206   virtual ~WallpaperPrivateGetThumbnailFunction();
 207
 208   // AsyncExtensionFunction overrides.
 209   virtual bool RunImpl() OVERRIDE;
 210
 211  private:
 212   // Failed to get thumbnail for |file_name|.
 213   void Failure(const std::string& file_name);
 214
 215   // Returns true to suppress javascript console error. Called when the
 216   // requested thumbnail is not found or corrupted in thumbnail directory.
 217   void FileNotLoaded();
 218
 219   // Sets data field to the loaded thumbnail binary data in the results. Called
 220   // when requested wallpaper thumbnail loaded successfully.
 221   void FileLoaded(const std::string& data);
 222
 223   // Gets thumbnail from |path|. If |path| does not exist, call FileNotLoaded().
 224   void Get(const base::FilePath& path);
 225
 226   // Sequence token associated with wallpaper operations. Shared with
 227   // WallpaperManager.
 228   base::SequencedWorkerPool::SequenceToken sequence_token_;
 229 };
 230
 231 class WallpaperPrivateSaveThumbnailFunction : public AsyncExtensionFunction {
 232  public:
 233   DECLARE_EXTENSION_FUNCTION("wallpaperPrivate.saveThumbnail",
 234                              WALLPAPERPRIVATE_SAVETHUMBNAIL)
 235
 236   WallpaperPrivateSaveThumbnailFunction();
 237
 238  protected:
 239   virtual ~WallpaperPrivateSaveThumbnailFunction();
 240
 241   // AsyncExtensionFunction overrides.
 242   virtual bool RunImpl() OVERRIDE;
 243
 244  private:
 245   // Failed to save thumbnail for |file_name|.
 246   void Failure(const std::string& file_name);
 247
 248   // Saved thumbnail to thumbnail directory.
 249   void Success();
 250
 251   // Saves thumbnail to thumbnail directory as |file_name|.
 252   void Save(const std::string& data, const std::string& file_name);
 253
 254   // Sequence token associated with wallpaper operations. Shared with
 255   // WallpaperManager.
 256   base::SequencedWorkerPool::SequenceToken sequence_token_;
 257 };
 258
 259 class WallpaperPrivateGetOfflineWallpaperListFunction
 260     : public AsyncExtensionFunction {
 261  public:
 262   DECLARE_EXTENSION_FUNCTION("wallpaperPrivate.getOfflineWallpaperList",
 263                              WALLPAPERPRIVATE_GETOFFLINEWALLPAPERLIST)
 264   WallpaperPrivateGetOfflineWallpaperListFunction();
 265
 266  protected:
 267   virtual ~WallpaperPrivateGetOfflineWallpaperListFunction();
 268
 269   // AsyncExtensionFunction overrides.
 270   virtual bool RunImpl() OVERRIDE;
 271
 272  private:
 273   // Enumerates the list of files in online wallpaper directory.
 274   void GetList();
 275
 276   // Sends the list of files to extension api caller. If no files or no
 277   // directory, sends empty list.
 278   void OnComplete(const std::vector<std::string>& file_list);
 279
 280   // Sequence token associated with wallpaper operations. Shared with
 281   // WallpaperManager.
 282   base::SequencedWorkerPool::SequenceToken sequence_token_;
 283 };
 284
 285 #endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_WALLPAPER_PRIVATE_API_H_