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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 #include "content/browser/wake_lock/wake_lock_service_context.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "content/browser/frame_host/frame_tree_node.h" | |
| 9 #include "content/browser/frame_host/render_frame_host_impl.h" | |
| 10 #include "content/browser/power_save_blocker_impl.h" | |
| 11 #include "content/public/browser/browser_thread.h" | |
| 12 #include "content/public/browser/power_save_blocker.h" | |
| 13 #include "content/public/common/service_registry.h" | |
| 14 | |
| 15 namespace content { | |
| 16 | |
| 17 WakeLockServiceContext::WakeLockServiceContext(WebContents* web_contents) | |
| 18 : WebContentsObserver(web_contents), | |
| 19 weak_factory_(this) { | |
| 20 } | |
| 21 | |
| 22 WakeLockServiceContext::~WakeLockServiceContext() { | |
| 23 } | |
| 24 | |
| 25 void WakeLockServiceContext::CreateService( | |
| 26 int frame_id, | |
| 27 mojo::InterfaceRequest<WakeLockService> request) { | |
| 28 new WakeLockServiceImpl(weak_factory_.GetWeakPtr(), | |
| 29 frame_id, | |
| 30 request.Pass()); | |
| 31 } | |
| 32 | |
| 33 void WakeLockServiceContext::RenderFrameDeleted( | |
| 34 RenderFrameHost* render_frame_host) { | |
| 35 RenderFrameHostImpl* rfh_impl = | |
| 36 static_cast<RenderFrameHostImpl*>(render_frame_host); | |
| 37 CancelWakeLock(rfh_impl->frame_tree_node()->frame_tree_node_id()); | |
| 38 } | |
| 39 | |
| 40 void WakeLockServiceContext::RequestWakeLock(int frame_id) { | |
| 41 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
| 42 frames_requesting_lock_.insert(frame_id); | |
| 43 UpdateWakeLock(); | |
| 44 } | |
| 45 | |
| 46 void WakeLockServiceContext::CancelWakeLock(int frame_id) { | |
| 47 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
| 48 frames_requesting_lock_.erase(frame_id); | |
| 49 UpdateWakeLock(); | |
| 50 } | |
| 51 | |
| 52 bool WakeLockServiceContext::HasWakeLockForTests() const { | |
| 53 return wake_lock_; | |
| 54 } | |
| 55 | |
| 56 void WakeLockServiceContext::CreateWakeLock() { | |
| 57 DCHECK(!wake_lock_); | |
| 58 wake_lock_ = PowerSaveBlocker::Create( | |
| 59 PowerSaveBlocker::kPowerSaveBlockPreventDisplaySleep, | |
| 60 PowerSaveBlocker::kReasonOther, | |
| 61 "Wake Lock API"); | |
| 62 | |
| 63 // On Android, additionaly associate the blocker with this WebContents. | |
| 64 #if defined(OS_ANDROID) | |
| 65 DCHECK(web_contents()); | |
| 66 | |
| 67 static_cast<PowerSaveBlockerImpl*>(wake_lock_.get())->InitDisplaySleepBlocker( | |
| 68 web_contents()); | |
| 69 #endif | |
| 70 } | |
| 71 | |
| 72 void WakeLockServiceContext::RemoveWakeLock() { | |
| 73 DCHECK(wake_lock_); | |
| 74 wake_lock_.reset(); | |
| 75 } | |
| 76 | |
| 77 void WakeLockServiceContext::UpdateWakeLock() { | |
| 78 if (!frames_requesting_lock_.empty()) { | |
| 79 if (!wake_lock_) | |
| 80 CreateWakeLock(); | |
| 81 } else { | |
| 82 if (wake_lock_) | |
| 83 RemoveWakeLock(); | |
| 84 } | |
| 85 } | |
| 86 | |
| 87 } // namespace content | |
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Chromium Code Reviews
Issue 1345563002:
Revert of Wake Lock API implementation (Chromium part) (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master