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Side by Side Diff: chrome/browser/extensions/api/media_galleries_private/gallery_watch_manager.h

Issue 11535008: Implement mediaGalleriesPrivate api to notify extensions about gallery changed events. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Addressed review comments Created 8 years 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 // Manages all the gallery file watchers for the associated profile. This
6 // is temporary and will be moved to a permanent, public place in the near
7 // future.
8
9 #ifndef CHROME_BROWSER_EXTENSIONS_API_MEDIA_GALLERIES_PRIVATE_GALLERY_WATCH_MANA GER_H_
10 #define CHROME_BROWSER_EXTENSIONS_API_MEDIA_GALLERIES_PRIVATE_GALLERY_WATCH_MANA GER_H_
11
12 #include <map>
13 #include <string>
14
15 #include "base/file_path.h"
16 #include "base/memory/ref_counted.h"
17 #include "base/time.h"
18
19 class Profile;
20
21 namespace extensions {
22
23 class GalleryFilePathWatcher;
24
25 // The profile-keyed service that manages the gallery watchers. This class
Lei Zhang 2012/12/18 01:45:16 profile-keyed services inherit from ProfileKeyedSe
kmadhusu 2012/12/18 21:32:39 Removed the class header comments and added a coup
26 // lives on the FILE thread.
27 class GalleryWatchManager {
28 public:
29 // Returns the GalleryWatchManager for |profile|, creating it if it is not
30 // yet created.
31 static GalleryWatchManager* GetForProfile(const Profile* profile);
32
33 // Returns true if an GalleryWatchManager already exists for the specified
34 // |profile|.
35 static bool HasForProfile(const Profile* profile);
36
37 // Notifies about the |profile| shutdown event.
38 static void OnProfileShutdown(const Profile* profile);
39
40 ~GalleryWatchManager();
41
42 // Initiates a gallery watch operation for the extension specified by
43 // the |extension_id|. |gallery_id| specifies the gallery identifier and
44 // |watch_path| specifies the absolute path of the gallery. Returns true,
45 // if the watch was set successfully.
46 bool StartGalleryWatch(const std::string& gallery_id,
47 const FilePath& watch_path,
48 const std::string& extension_id);
49
50 // Cancels the gallery watch operation for the extension specified by the
51 // |extension_id|. |watch_path| specifies the gallery absolute path.
52 void StopGalleryWatch(const FilePath& watch_path,
53 const std::string& extension_id);
54
55 // Handles the extension unloaded/uninstalled/destroyed event.
56 void OnExtensionDestroyed(const std::string& extension_id);
Lei Zhang 2012/12/18 00:47:01 If you also make this a static function like OnPro
kmadhusu 2012/12/18 21:32:39 OnProfileShutdown() implementation modifies the gl
57
58 private:
59 typedef std::map<FilePath, scoped_refptr<GalleryFilePathWatcher> > WatcherMap;
60
61 // Use GetForProfile().
62 explicit GalleryWatchManager(const Profile* profile);
63
64 // Deletes the gallery watchers.
65 void DeleteAllWatchers();
66
67 // Current profile.
68 const Profile* profile_;
69
70 // Map to manage the gallery file path watchers.
71 // Key: Gallery watch path.
72 // Value: GalleryFilePathWatcher*.
73 WatcherMap gallery_watchers_;
74
75 DISALLOW_COPY_AND_ASSIGN(GalleryWatchManager);
76 };
77
78 } // namespace extensions
79
80 #endif // CHROME_BROWSER_EXTENSIONS_API_MEDIA_GALLERIES_PRIVATE_GALLERY_WATCH_M ANAGER_H_
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