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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 #include "chrome/browser/ui/views/aura/launcher/launcher_icon_loader.h" | |
6 | |
7 #include "chrome/browser/extensions/extension_service.h" | |
8 #include "chrome/browser/profiles/profile.h" | |
9 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h" | |
10 #include "chrome/common/extensions/extension.h" | |
11 #include "chrome/common/extensions/extension_resource.h" | |
12 #include "content/public/browser/web_contents.h" | |
13 | |
14 LauncherIconLoader::LauncherIconLoader(Profile* profile, | |
15 ChromeLauncherDelegate* delegate) | |
16 : profile_(profile), | |
17 host_(delegate) { | |
18 } | |
19 | |
20 LauncherIconLoader::~LauncherIconLoader() { | |
21 } | |
22 | |
23 std::string LauncherIconLoader::GetAppID(TabContentsWrapper* tab) { | |
24 const Extension* extension = GetExtensionForTab(tab); | |
25 return extension ? extension->id() : std::string(); | |
26 } | |
27 | |
28 bool LauncherIconLoader::IsValidID(const std::string& id) { | |
29 return GetExtensionByID(id) != NULL; | |
30 } | |
31 | |
32 void LauncherIconLoader::FetchImage(const std::string& id) { | |
33 for (ImageLoaderIDToExtensionIDMap::const_iterator i = map_.begin(); | |
34 i != map_.end(); ++i) { | |
35 if (i->second == id) | |
36 return; // Already loading the image. | |
37 } | |
38 | |
39 const Extension* extension = GetExtensionByID(id); | |
40 if (!extension) | |
41 return; | |
42 if (!image_loader_.get()) | |
43 image_loader_.reset(new ImageLoadingTracker(this)); | |
44 map_[image_loader_->next_id()] = id; | |
45 image_loader_->LoadImage( | |
46 extension, | |
47 extension->GetIconResource(ExtensionIconSet::EXTENSION_ICON_SMALL, | |
48 ExtensionIconSet::MATCH_BIGGER), | |
49 gfx::Size(ExtensionIconSet::EXTENSION_ICON_SMALL, | |
50 ExtensionIconSet::EXTENSION_ICON_SMALL), | |
51 ImageLoadingTracker::CACHE); | |
52 } | |
53 | |
54 void LauncherIconLoader::OnImageLoaded(SkBitmap* image, | |
55 const ExtensionResource& resource, | |
56 int index) { | |
57 ImageLoaderIDToExtensionIDMap::iterator i = map_.find(index); | |
58 if (i == map_.end()) | |
59 return; // The tab has since been removed, do nothing. | |
60 | |
61 std::string id = i->second; | |
62 map_.erase(i); | |
63 host_->SetAppImage(id, image); | |
64 } | |
65 | |
66 const Extension* LauncherIconLoader::GetExtensionForTab( | |
67 TabContentsWrapper* tab) { | |
68 ExtensionService* extension_service = profile_->GetExtensionService(); | |
69 if (!extension_service) | |
70 return NULL; | |
71 return extension_service->GetInstalledApp(tab->web_contents()->GetURL()); | |
72 } | |
73 | |
74 const Extension* LauncherIconLoader::GetExtensionByID(const std::string& id) { | |
75 ExtensionService* service = profile_->GetExtensionService(); | |
76 if (!service) | |
77 return NULL; | |
78 return service->GetInstalledExtension(id); | |
79 } | |
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