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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_DISPATCHER_HOST_H_ | |
6 #define CONTENT_BROWSER_WAKE_LOCK_WAKE_LOCK_DISPATCHER_HOST_H_ | |
7 | |
8 #include "base/memory/scoped_ptr.h" | |
9 #include "base/memory/weak_ptr.h" | |
10 #include "base/observer_list.h" | |
11 #include "content/browser/wake_lock/wake_lock_service_impl.h" | |
12 #include "content/browser/wake_lock/wake_lock_state.h" | |
13 #include "content/common/content_export.h" | |
14 #include "content/public/browser/web_contents_observer.h" | |
15 | |
16 namespace content { | |
17 | |
18 class PowerSaveBlocker; | |
19 class RenderFrameHost; | |
20 class WebContents; | |
21 | |
22 class CONTENT_EXPORT WakeLockDispatcherHost | |
23 : public WebContentsObserver, | |
24 public WakeLockServiceImpl::WakeLockServiceCallback { | |
25 public: | |
26 explicit WakeLockDispatcherHost(WebContents* web_contents); | |
27 ~WakeLockDispatcherHost() override; | |
mlamouri (slow - plz ping)
2015/08/06 09:18:51
= default
alogvinov
2015/08/11 13:06:43
Doesn't work. "[chromium-style] Complex destructor
| |
28 | |
29 // WebContentsObserver | |
30 void RenderFrameCreated(RenderFrameHost* render_frame_host) override; | |
31 void RenderFrameDeleted(RenderFrameHost* render_frame_host) override; | |
32 void RenderFrameHostChanged(RenderFrameHost* old_host, | |
33 RenderFrameHost* new_host) override; | |
34 | |
35 // WakeLockServiceImpl::WakeLockServiceCallback | |
36 void RequestWakeLock(RenderFrameHost* render_frame_host) override; | |
37 void CancelWakeLock(RenderFrameHost* render_frame_host) override; | |
38 | |
39 bool has_blocker_for_testing() const { | |
40 return blocker_; | |
41 } | |
42 | |
43 class CONTENT_EXPORT Observer { | |
44 public: | |
45 virtual void OnUpdate() = 0; | |
46 }; | |
47 | |
48 void AddObserver(Observer* obs) { | |
49 observer_list_.AddObserver(obs); | |
50 } | |
51 | |
52 void RemoveObserver(Observer* obs) { | |
53 observer_list_.RemoveObserver(obs); | |
54 } | |
55 | |
56 private: | |
57 void CreateBlocker(); | |
58 void RemoveBlocker(); | |
59 void UpdateBlocker(); | |
60 | |
61 void NotifyUpdate(); | |
62 | |
63 WakeLockState wake_lock_state_; | |
64 | |
65 scoped_ptr<PowerSaveBlocker> blocker_; | |
66 base::ObserverList<Observer> observer_list_; | |
67 | |
68 friend class WakeLockDispatcherHostTest; | |
69 | |
70 base::WeakPtrFactory<WakeLockDispatcherHost> weak_factory_; | |
71 | |
72 DISALLOW_COPY_AND_ASSIGN(WakeLockDispatcherHost); | |
73 }; | |
74 | |
75 } // namespace content | |
76 | |
77 #endif // CONTENT_BROWSER_WAKE_LOCK_WAKE_LOCK_DISPATCHER_HOST_H_ | |
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