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Side by Side Diff: chrome/browser/ui/webui/options2/chromeos/wallpaper_source.h

Issue 10837331: Options: s/options2/options/. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: wut Created 8 years, 4 months ago
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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_WEBUI_OPTIONS2_CHROMEOS_WALLPAPER_SOURCE_H_
6 #define CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_WALLPAPER_SOURCE_H_
7
8 #include <string>
9
10 #include "base/compiler_specific.h"
11 #include "base/memory/ref_counted_memory.h"
12 #include "base/memory/weak_ptr.h"
13 #include "chrome/browser/ui/webui/chrome_url_data_manager.h"
14 #include "third_party/skia/include/core/SkBitmap.h"
15
16 namespace chromeos {
17 namespace options {
18
19 // A DataSource for chrome://wallpaper/ URL, provides current user's wallpaper.
20 class WallpaperImageSource : public ChromeURLDataManager::DataSource {
21 public:
22 WallpaperImageSource();
23
24 // ChromeURLDataManager::DataSource implementation.
25 virtual void StartDataRequest(const std::string& path,
26 bool is_incognito,
27 int request_id) OVERRIDE;
28 virtual std::string GetMimeType(const std::string&) const OVERRIDE;
29
30 private:
31 class WallpaperEncodingOperation;
32
33 virtual ~WallpaperImageSource();
34
35 // Get wallpaper for request identified by |request_id| in UI thread
36 // and pass it to encoding phase.
37 void GetCurrentUserWallpaper(int request_id);
38
39 // Callback is called when image is obtained from UI thread to
40 // encode and send reply to request identified by |request_id|.
41 void ImageAcquired(SkBitmap image, int request_id);
42
43 // Cancel current image encoding operation.
44 void CancelPendingEncodingOperation();
45
46 // Send image stored in |data| as a reply to request
47 // identifed by |request_id|.
48 void SendCurrentUserWallpaper(int request_id,
49 scoped_refptr<base::RefCountedBytes> data);
50
51 scoped_refptr<WallpaperEncodingOperation> wallpaper_encoding_op_;
52
53 base::WeakPtrFactory<WallpaperImageSource> weak_ptr_factory_;
54
55 DISALLOW_COPY_AND_ASSIGN(WallpaperImageSource);
56 };
57
58 } // namespace options
59 } // namespace chromeos
60
61 #endif // CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_WALLPAPER_SOURCE_H_
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