Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(1979)

Side by Side Diff: content/browser/wake_lock/wake_lock_service_context.cc

Issue 1107333002: Wake Lock API implementation (Chromium part) (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 3 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
OLDNEW
(Empty)
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 CancelWakeLockForRFH(render_frame_host);
36 }
37
38 void WakeLockServiceContext::RenderFrameHostChanged(RenderFrameHost* old_host,
39 RenderFrameHost* new_host) {
40 CancelWakeLockForRFH(old_host);
41 }
42
43 void WakeLockServiceContext::RequestWakeLock(int frame_id) {
44 DCHECK_CURRENTLY_ON(BrowserThread::UI);
45 frames_requesting_lock_.insert(frame_id);
46 UpdateWakeLock();
47 }
48
49 void WakeLockServiceContext::CancelWakeLock(int frame_id) {
50 DCHECK_CURRENTLY_ON(BrowserThread::UI);
51 frames_requesting_lock_.erase(frame_id);
52 UpdateWakeLock();
53 }
54
55 bool WakeLockServiceContext::HasWakeLockForTests() const {
56 return wake_lock_;
57 }
58
59 void WakeLockServiceContext::CancelWakeLockForRFH(
60 RenderFrameHost* render_frame_host) {
61 if (!render_frame_host)
62 return;
63
64 RenderFrameHostImpl* rfh_impl =
65 static_cast<RenderFrameHostImpl*>(render_frame_host);
66 CancelWakeLock(rfh_impl->frame_tree_node()->frame_tree_node_id());
67 }
68
69 void WakeLockServiceContext::CreateWakeLock() {
70 DCHECK(!wake_lock_);
71 wake_lock_ = PowerSaveBlocker::Create(
72 PowerSaveBlocker::kPowerSaveBlockPreventDisplaySleep,
73 PowerSaveBlocker::kReasonOther,
74 "Wake Lock API");
75
76 // On Android, additionaly associate the blocker with this WebContents.
77 #if defined(OS_ANDROID)
78 DCHECK(web_contents());
79
80 static_cast<PowerSaveBlockerImpl*>(wake_lock_.get())->InitDisplaySleepBlocker(
81 web_contents());
82 #endif
83 }
84
85 void WakeLockServiceContext::RemoveWakeLock() {
86 DCHECK(wake_lock_);
87 wake_lock_.reset();
88 }
89
90 void WakeLockServiceContext::UpdateWakeLock() {
91 if (!frames_requesting_lock_.empty()) {
92 if (!wake_lock_)
93 CreateWakeLock();
94 } else {
95 if (wake_lock_)
96 RemoveWakeLock();
97 }
98 }
99
100 } // namespace content
OLDNEW

Powered by Google App Engine
This is Rietveld 408576698