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1 // Copyright 2015 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 CONTENT_BROWSER_WAKE_LOCK_WAKE_LOCK_SERVICE_CONTEXT_H_ | |
6 #define CONTENT_BROWSER_WAKE_LOCK_WAKE_LOCK_SERVICE_CONTEXT_H_ | |
7 | |
8 #include <set> | |
9 | |
10 #include "base/memory/scoped_ptr.h" | |
11 #include "base/memory/weak_ptr.h" | |
12 #include "content/common/content_export.h" | |
13 #include "content/public/browser/web_contents_observer.h" | |
14 | |
15 namespace content { | |
16 | |
17 class PowerSaveBlocker; | |
18 class RenderFrameHost; | |
19 class WebContents; | |
20 | |
21 class CONTENT_EXPORT WakeLockServiceContext | |
22 : public WebContentsObserver { | |
23 public: | |
24 explicit WakeLockServiceContext(WebContents* web_contents); | |
25 ~WakeLockServiceContext() override; | |
26 | |
27 // WebContentsObserver implementation. | |
28 void RenderFrameCreated(RenderFrameHost* render_frame_host) override; | |
29 void RenderFrameDeleted(RenderFrameHost* render_frame_host) override; | |
30 void RenderFrameHostChanged(RenderFrameHost* old_host, | |
31 RenderFrameHost* new_host) override; | |
32 | |
33 // Requests wake lock for |render_frame_host|. | |
34 void RequestWakeLock(RenderFrameHost* render_frame_host); | |
35 // Cancels wake lock request for |render_frame_host|. | |
36 void CancelWakeLock(RenderFrameHost* render_frame_host); | |
37 | |
38 private: | |
39 friend class WakeLockServiceContextTest; | |
40 friend class WakeLockTest; | |
41 | |
42 void CreateWakeLock(); | |
43 void RemoveWakeLock(); | |
44 void UpdateWakeLock(); | |
45 | |
46 // Set of all frames currently requesting wake lock. | |
47 std::set<const RenderFrameHost*> frames_requesting_lock_; | |
48 // The actual power save blocker for screen. | |
mlamouri (slow - plz ping)
2015/08/31 14:59:15
nit: leave empty line. between two members.
alogvinov
2015/09/02 17:06:22
Done.
| |
49 scoped_ptr<PowerSaveBlocker> wake_lock_; | |
mlamouri (slow - plz ping)
2015/08/31 14:59:15
You seem to check that scoped_ptr<> isn't null in
alogvinov
2015/09/02 17:06:22
Done.
| |
50 | |
51 base::WeakPtrFactory<WakeLockServiceContext> weak_factory_; | |
52 | |
53 DISALLOW_COPY_AND_ASSIGN(WakeLockServiceContext); | |
54 }; | |
55 | |
56 } // namespace content | |
57 | |
58 #endif // CONTENT_BROWSER_WAKE_LOCK_WAKE_LOCK_SERVICE_CONTEXT_H_ | |
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