OLD | NEW |
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 // | 4 // |
5 // GalleryWatchManager implementation. | 5 // GalleryWatchManager implementation. |
6 | 6 |
7 #include "chrome/browser/extensions/api/media_galleries_private/gallery_watch_ma
nager.h" | 7 #include "chrome/browser/extensions/api/media_galleries_private/gallery_watch_ma
nager.h" |
8 | 8 |
9 #include <list> | 9 #include <list> |
10 #include <set> | 10 #include <set> |
(...skipping 18 matching lines...) Expand all Loading... |
29 // Map to keep track of profile specific GalleryWatchManager objects. | 29 // Map to keep track of profile specific GalleryWatchManager objects. |
30 // Key: Profile identifier. | 30 // Key: Profile identifier. |
31 // Value: GalleryWatchManager*. | 31 // Value: GalleryWatchManager*. |
32 // This map owns the GalleryWatchManager object. | 32 // This map owns the GalleryWatchManager object. |
33 typedef std::map<void*, extensions::GalleryWatchManager*> WatchManagerMap; | 33 typedef std::map<void*, extensions::GalleryWatchManager*> WatchManagerMap; |
34 WatchManagerMap* g_gallery_watch_managers = NULL; | 34 WatchManagerMap* g_gallery_watch_managers = NULL; |
35 | 35 |
36 // Dispatches the gallery changed event on the UI thread. | 36 // Dispatches the gallery changed event on the UI thread. |
37 void SendGalleryChangedEventOnUIThread( | 37 void SendGalleryChangedEventOnUIThread( |
38 base::WeakPtr<MediaGalleriesPrivateEventRouter> event_router, | 38 base::WeakPtr<MediaGalleriesPrivateEventRouter> event_router, |
39 chrome::MediaGalleryPrefId gallery_id, | 39 MediaGalleryPrefId gallery_id, |
40 const std::set<std::string>& extension_ids) { | 40 const std::set<std::string>& extension_ids) { |
41 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | 41 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
42 if (event_router.get()) | 42 if (event_router.get()) |
43 event_router->OnGalleryChanged(gallery_id, extension_ids); | 43 event_router->OnGalleryChanged(gallery_id, extension_ids); |
44 } | 44 } |
45 | 45 |
46 } // namespace | 46 } // namespace |
47 | 47 |
48 /////////////////////////////////////////////////////////////////////////////// | 48 /////////////////////////////////////////////////////////////////////////////// |
49 // GalleryWatchManager::GalleryFilePathWatcher // | 49 // GalleryWatchManager::GalleryFilePathWatcher // |
50 /////////////////////////////////////////////////////////////////////////////// | 50 /////////////////////////////////////////////////////////////////////////////// |
51 | 51 |
52 // This class does a recursive watch on the gallery file path and holds a list | 52 // This class does a recursive watch on the gallery file path and holds a list |
53 // of extensions that are watching the gallery. When there is a file system | 53 // of extensions that are watching the gallery. When there is a file system |
54 // activity within the gallery, GalleryFilePathWatcher notifies the interested | 54 // activity within the gallery, GalleryFilePathWatcher notifies the interested |
55 // extensions. This class lives on the file thread. | 55 // extensions. This class lives on the file thread. |
56 class GalleryWatchManager::GalleryFilePathWatcher | 56 class GalleryWatchManager::GalleryFilePathWatcher |
57 : public base::RefCounted<GalleryFilePathWatcher> { | 57 : public base::RefCounted<GalleryFilePathWatcher> { |
58 public: | 58 public: |
59 // |on_destroyed_callback| is called when the last GalleryFilePathWatcher | 59 // |on_destroyed_callback| is called when the last GalleryFilePathWatcher |
60 // reference goes away. | 60 // reference goes away. |
61 GalleryFilePathWatcher( | 61 GalleryFilePathWatcher( |
62 base::WeakPtr<MediaGalleriesPrivateEventRouter> event_router, | 62 base::WeakPtr<MediaGalleriesPrivateEventRouter> event_router, |
63 chrome::MediaGalleryPrefId gallery_id, | 63 MediaGalleryPrefId gallery_id, |
64 const base::FilePath& path, | 64 const base::FilePath& path, |
65 const std::string& extension_id, | 65 const std::string& extension_id, |
66 const base::Closure& on_destroyed_callback); | 66 const base::Closure& on_destroyed_callback); |
67 | 67 |
68 // Adds the extension reference to the watched gallery. | 68 // Adds the extension reference to the watched gallery. |
69 void AddExtension(const std::string& extension_id); | 69 void AddExtension(const std::string& extension_id); |
70 | 70 |
71 // Removes the extension reference to the watched gallery. | 71 // Removes the extension reference to the watched gallery. |
72 void RemoveExtension(const std::string& extension_id); | 72 void RemoveExtension(const std::string& extension_id); |
73 | 73 |
(...skipping 23 matching lines...) Expand all Loading... |
97 void OnFilePathChanged(const base::FilePath& path, bool error); | 97 void OnFilePathChanged(const base::FilePath& path, bool error); |
98 | 98 |
99 // Remove the watch references for the extension specified by the | 99 // Remove the watch references for the extension specified by the |
100 // |extension_id|. | 100 // |extension_id|. |
101 void RemoveExtensionReferences(const std::string& extension_id); | 101 void RemoveExtensionReferences(const std::string& extension_id); |
102 | 102 |
103 // Used to notify the interested extensions about the gallery changed event. | 103 // Used to notify the interested extensions about the gallery changed event. |
104 base::WeakPtr<MediaGalleriesPrivateEventRouter> event_router_; | 104 base::WeakPtr<MediaGalleriesPrivateEventRouter> event_router_; |
105 | 105 |
106 // The gallery identifier, e.g "1". | 106 // The gallery identifier, e.g "1". |
107 chrome::MediaGalleryPrefId gallery_id_; | 107 MediaGalleryPrefId gallery_id_; |
108 | 108 |
109 // The gallery file path watcher. | 109 // The gallery file path watcher. |
110 base::FilePathWatcher file_watcher_; | 110 base::FilePathWatcher file_watcher_; |
111 | 111 |
112 // The gallery file path, e.g "C:\My Pictures". | 112 // The gallery file path, e.g "C:\My Pictures". |
113 base::FilePath gallery_path_; | 113 base::FilePath gallery_path_; |
114 | 114 |
115 // A callback to call when |this| object is destroyed. | 115 // A callback to call when |this| object is destroyed. |
116 base::Closure on_destroyed_callback_; | 116 base::Closure on_destroyed_callback_; |
117 | 117 |
118 // Map to keep track of the extension and its corresponding watch count. | 118 // Map to keep track of the extension and its corresponding watch count. |
119 ExtensionWatchInfoMap extension_watch_info_map_; | 119 ExtensionWatchInfoMap extension_watch_info_map_; |
120 | 120 |
121 // Used to provide a weak pointer to FilePathWatcher callback. | 121 // Used to provide a weak pointer to FilePathWatcher callback. |
122 base::WeakPtrFactory<GalleryFilePathWatcher> weak_ptr_factory_; | 122 base::WeakPtrFactory<GalleryFilePathWatcher> weak_ptr_factory_; |
123 | 123 |
124 DISALLOW_COPY_AND_ASSIGN(GalleryFilePathWatcher); | 124 DISALLOW_COPY_AND_ASSIGN(GalleryFilePathWatcher); |
125 }; | 125 }; |
126 | 126 |
127 GalleryWatchManager::GalleryFilePathWatcher::GalleryFilePathWatcher( | 127 GalleryWatchManager::GalleryFilePathWatcher::GalleryFilePathWatcher( |
128 base::WeakPtr<MediaGalleriesPrivateEventRouter> event_router, | 128 base::WeakPtr<MediaGalleriesPrivateEventRouter> event_router, |
129 chrome::MediaGalleryPrefId gallery_id, | 129 MediaGalleryPrefId gallery_id, |
130 const base::FilePath& path, | 130 const base::FilePath& path, |
131 const std::string& extension_id, | 131 const std::string& extension_id, |
132 const base::Closure& on_destroyed_callback) | 132 const base::Closure& on_destroyed_callback) |
133 : event_router_(event_router), | 133 : event_router_(event_router), |
134 gallery_id_(gallery_id), | 134 gallery_id_(gallery_id), |
135 on_destroyed_callback_(on_destroyed_callback), | 135 on_destroyed_callback_(on_destroyed_callback), |
136 weak_ptr_factory_(this) { | 136 weak_ptr_factory_(this) { |
137 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE)); | 137 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE)); |
138 gallery_path_ = path; | 138 gallery_path_ = path; |
139 AddExtension(extension_id); | 139 AddExtension(extension_id); |
(...skipping 129 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
269 return; | 269 return; |
270 delete it->second; | 270 delete it->second; |
271 g_gallery_watch_managers->erase(it); | 271 g_gallery_watch_managers->erase(it); |
272 if (g_gallery_watch_managers->empty()) | 272 if (g_gallery_watch_managers->empty()) |
273 delete g_gallery_watch_managers; | 273 delete g_gallery_watch_managers; |
274 } | 274 } |
275 | 275 |
276 // static | 276 // static |
277 bool GalleryWatchManager::SetupGalleryWatch( | 277 bool GalleryWatchManager::SetupGalleryWatch( |
278 void* profile_id, | 278 void* profile_id, |
279 chrome::MediaGalleryPrefId gallery_id, | 279 MediaGalleryPrefId gallery_id, |
280 const base::FilePath& watch_path, | 280 const base::FilePath& watch_path, |
281 const std::string& extension_id, | 281 const std::string& extension_id, |
282 base::WeakPtr<MediaGalleriesPrivateEventRouter> event_router) { | 282 base::WeakPtr<MediaGalleriesPrivateEventRouter> event_router) { |
283 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE)); | 283 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE)); |
284 return GalleryWatchManager::GetForProfile(profile_id)->StartGalleryWatch( | 284 return GalleryWatchManager::GetForProfile(profile_id)->StartGalleryWatch( |
285 gallery_id, watch_path, extension_id, event_router); | 285 gallery_id, watch_path, extension_id, event_router); |
286 } | 286 } |
287 | 287 |
288 // static | 288 // static |
289 void GalleryWatchManager::RemoveGalleryWatch(void* profile_id, | 289 void GalleryWatchManager::RemoveGalleryWatch(void* profile_id, |
(...skipping 18 matching lines...) Expand all Loading... |
308 GalleryWatchManager::GalleryWatchManager() { | 308 GalleryWatchManager::GalleryWatchManager() { |
309 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE)); | 309 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE)); |
310 } | 310 } |
311 | 311 |
312 GalleryWatchManager::~GalleryWatchManager() { | 312 GalleryWatchManager::~GalleryWatchManager() { |
313 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE)); | 313 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE)); |
314 DeleteAllWatchers(); | 314 DeleteAllWatchers(); |
315 } | 315 } |
316 | 316 |
317 bool GalleryWatchManager::StartGalleryWatch( | 317 bool GalleryWatchManager::StartGalleryWatch( |
318 chrome::MediaGalleryPrefId gallery_id, | 318 MediaGalleryPrefId gallery_id, |
319 const base::FilePath& watch_path, | 319 const base::FilePath& watch_path, |
320 const std::string& extension_id, | 320 const std::string& extension_id, |
321 base::WeakPtr<MediaGalleriesPrivateEventRouter> event_router) { | 321 base::WeakPtr<MediaGalleriesPrivateEventRouter> event_router) { |
322 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE)); | 322 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE)); |
323 WatcherMap::const_iterator iter = gallery_watchers_.find(watch_path); | 323 WatcherMap::const_iterator iter = gallery_watchers_.find(watch_path); |
324 if (iter != gallery_watchers_.end()) { | 324 if (iter != gallery_watchers_.end()) { |
325 // Already watched. | 325 // Already watched. |
326 iter->second->AddExtension(extension_id); | 326 iter->second->AddExtension(extension_id); |
327 return true; | 327 return true; |
328 } | 328 } |
(...skipping 55 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
384 iter->second->RemoveAllWatchReferences(); | 384 iter->second->RemoveAllWatchReferences(); |
385 } | 385 } |
386 | 386 |
387 void GalleryWatchManager::RemoveGalleryFilePathWatcherEntry( | 387 void GalleryWatchManager::RemoveGalleryFilePathWatcherEntry( |
388 const base::FilePath& watch_path) { | 388 const base::FilePath& watch_path) { |
389 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE)); | 389 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE)); |
390 gallery_watchers_.erase(watch_path); | 390 gallery_watchers_.erase(watch_path); |
391 } | 391 } |
392 | 392 |
393 } // namespace extensions | 393 } // namespace extensions |
OLD | NEW |