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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/browser/wake_lock/wake_lock_service_impl.h" | |
13 #include "content/common/content_export.h" | |
14 #include "content/public/browser/web_contents_observer.h" | |
15 #include "mojo/public/cpp/bindings/interface_request.h" | |
16 | |
17 namespace content { | |
18 | |
19 class PowerSaveBlocker; | |
20 class RenderFrameHost; | |
21 class WebContents; | |
22 | |
23 class CONTENT_EXPORT WakeLockServiceContext: public WebContentsObserver { | |
24 public: | |
25 explicit WakeLockServiceContext(WebContents* web_contents); | |
26 ~WakeLockServiceContext() override; | |
27 | |
28 // Creates a WakeLockServiceImpl that is strongly bound to |request|. | |
29 void CreateService(int frame_id, | |
30 mojo::InterfaceRequest<WakeLockService> request); | |
31 | |
32 // WebContentsObserver implementation. | |
33 void RenderFrameDeleted(RenderFrameHost* render_frame_host) override; | |
34 void RenderFrameHostChanged(RenderFrameHost* old_host, | |
35 RenderFrameHost* new_host) override; | |
36 | |
37 // Requests wake lock for |frame_id|. | |
38 void RequestWakeLock(int frame_id); | |
39 | |
40 // Cancels wake lock request for |frame_id|. | |
41 void CancelWakeLock(int frame_id); | |
42 | |
43 // Used by tests. | |
44 bool HasWakeLockForTests() const; | |
45 | |
46 private: | |
47 void CancelWakeLockForRFH(RenderFrameHost* render_frame_host); | |
48 void CreateWakeLock(); | |
49 void RemoveWakeLock(); | |
50 void UpdateWakeLock(); | |
51 | |
52 // Set of all frame ids currently requesting wake lock. | |
nasko
2015/09/04 21:06:45
nit: s/frame/FrameTreeNode/
alogvinov
2015/09/08 14:49:44
Done.
| |
53 std::set<int> frames_requesting_lock_; | |
54 | |
55 // The actual power save blocker for screen. | |
56 scoped_ptr<PowerSaveBlocker> wake_lock_; | |
57 | |
58 base::WeakPtrFactory<WakeLockServiceContext> weak_factory_; | |
59 | |
60 DISALLOW_COPY_AND_ASSIGN(WakeLockServiceContext); | |
61 }; | |
62 | |
63 } // namespace content | |
64 | |
65 #endif // CONTENT_BROWSER_WAKE_LOCK_WAKE_LOCK_SERVICE_CONTEXT_H_ | |
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