Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(425)

Side by Side Diff: chrome/browser/extensions/extension_icon_image.h

Issue 10825012: chromeos: Fix pixelated icons in app list and launcher (part 2) (by xiyuan) (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 8 years, 4 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
OLDNEW
(Empty)
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_EXTENSIONS_EXTENSION_ICON_IMAGE_H_
6 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_ICON_IMAGE_H_
7
8 #include <map>
9 #include <string>
10
11 #include "base/basictypes.h"
12 #include "chrome/browser/extensions/image_loading_tracker.h"
13 #include "chrome/common/extensions/extension_icon_set.h"
14 #include "content/public/browser/notification_observer.h"
15 #include "content/public/browser/notification_registrar.h"
16 #include "ui/gfx/image/image_skia.h"
17
18 namespace extensions {
19 class Extension;
20 }
21
22 namespace gfx {
23 class Size;
24 }
25
26 class ExtensionIconImageDelegate;
27
28 // A class that provides an ImageSkia for UI code to use. It handles extension
29 // icon resource loading, screen scale factor change etc. UI code that uses
30 // extension icon should host this class and be its delegate. In painting code,
31 // UI code paints with the ImageSkia provided by this class. If required
32 // extension icon resource is not present, this class uses ImageLoadingTracker
33 // to load it and call on its delegate interface when the resource is loaded.
tbarzic 2012/07/25 19:37:34 pkotwicz 2012/07/25 02:00:39 Can you comment about
tbarzic 2012/07/25 19:53:53 Done.
34 class ExtensionIconImage : public ImageLoadingTracker::Observer,
35 public content::NotificationObserver {
36 public:
37 ExtensionIconImage(const extensions::Extension* extension,
38 const ExtensionIconSet& icon_set,
39 int resource_size_in_dip,
40 ExtensionIconSet::MatchType resource_match_type,
41 const gfx::Size& desired_size_in_dip,
42 ImageLoadingTracker::CacheParam cache_param,
43 ExtensionIconImageDelegate* delegate);
44 virtual ~ExtensionIconImage();
45
46 bool IsEmpty() const { return image_skia_.empty(); }
tbarzic 2012/07/25 19:37:34 pkotwicz 2012/07/25 02:00:39 Can you change the na
tbarzic 2012/07/25 19:53:53 Done.
47
48 const gfx::ImageSkia& image_skia() const { return image_skia_; }
49
50 private:
51 class Source;
52 typedef std::map<int, ui::ScaleFactor> LoadMap;
53
54 // Loads bitmap for additional scale factor.
55 void LoadImageForScaleFactor(ui::ScaleFactor scale_factor);
56
57 // ImageLoadingTracker::Observer overrides:
58 virtual void OnImageLoaded(const gfx::Image& image,
59 const std::string& extension_id,
60 int index) OVERRIDE;
61
62 // content::NotificationObserver overrides:
63 virtual void Observe(int type,
64 const content::NotificationSource& source,
65 const content::NotificationDetails& details) OVERRIDE;
66
67 const extensions::Extension* extension_;
68 const ExtensionIconSet& icon_set_;
69 const int resource_size_in_dip_;
70 const ExtensionIconSet::MatchType resource_match_type_;
71 const gfx::Size desired_size_in_dip_;
72 const ImageLoadingTracker::CacheParam cache_param_;
73
74 ExtensionIconImageDelegate* delegate_;
75
76 Source* source_; // Owned by ImageSkia storage.
77 gfx::ImageSkia image_skia_;
78
79 ImageLoadingTracker tracker_;
80 content::NotificationRegistrar registrar_;
81
82 LoadMap load_map_;
83
84 DISALLOW_COPY_AND_ASSIGN(ExtensionIconImage);
85 };
86
87 #endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_ICON_IMAGE_H_
OLDNEW

Powered by Google App Engine
This is Rietveld 408576698