Index: content/browser/wake_lock/wake_lock_service_context.cc |
diff --git a/content/browser/wake_lock/wake_lock_service_context.cc b/content/browser/wake_lock/wake_lock_service_context.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..cf28b5948c9bd16c422b3965760b7e809500e207 |
--- /dev/null |
+++ b/content/browser/wake_lock/wake_lock_service_context.cc |
@@ -0,0 +1,91 @@ |
+// Copyright 2015 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "content/browser/wake_lock/wake_lock_service_context.h" |
+ |
+#include "base/bind.h" |
+#include "content/browser/power_save_blocker_impl.h" |
+#include "content/browser/wake_lock/wake_lock_service_impl.h" |
+#include "content/public/browser/browser_thread.h" |
+#include "content/public/browser/power_save_blocker.h" |
+#include "content/public/browser/render_frame_host.h" |
+#include "content/public/common/service_registry.h" |
+ |
+namespace content { |
+ |
+WakeLockServiceContext::WakeLockServiceContext(WebContents* web_contents) |
+ : WebContentsObserver(web_contents), |
+ weak_factory_(this) { |
+} |
+ |
+WakeLockServiceContext::~WakeLockServiceContext() { |
+} |
+ |
+void WakeLockServiceContext::RenderFrameCreated( |
+ RenderFrameHost* render_frame_host) { |
+ if (auto registry = render_frame_host->GetServiceRegistry()) { |
+ registry->AddService<WakeLockService>( |
mlamouri (slow - plz ping)
2015/08/31 14:59:15
Could you do that in RenderFrameHostImpl::Register
alogvinov
2015/09/02 17:06:22
Done.
|
+ base::Bind(&WakeLockServiceImpl::CreateService, |
+ weak_factory_.GetWeakPtr(), |
+ base::Unretained(render_frame_host))); |
+ } |
+} |
+ |
+void WakeLockServiceContext::RenderFrameDeleted( |
+ RenderFrameHost* render_frame_host) { |
+ frames_requesting_lock_.erase(render_frame_host); |
mlamouri (slow - plz ping)
2015/08/31 14:59:15
Call ::CancelWakeLock() instead.
alogvinov
2015/09/02 17:06:22
Done.
|
+ UpdateWakeLock(); |
+} |
+ |
+void WakeLockServiceContext::RenderFrameHostChanged( |
+ RenderFrameHost* old_host, |
+ RenderFrameHost* new_host) { |
+ frames_requesting_lock_.erase(old_host); |
+ UpdateWakeLock(); |
mlamouri (slow - plz ping)
2015/08/31 14:59:15
ditto
alogvinov
2015/09/02 17:06:22
Done.
|
+} |
+ |
+void WakeLockServiceContext::RequestWakeLock( |
+ RenderFrameHost* render_frame_host) { |
+ DCHECK_CURRENTLY_ON(BrowserThread::UI); |
+ frames_requesting_lock_.insert(render_frame_host); |
+ UpdateWakeLock(); |
+} |
+ |
+void WakeLockServiceContext::CancelWakeLock( |
+ RenderFrameHost* render_frame_host) { |
+ DCHECK_CURRENTLY_ON(BrowserThread::UI); |
+ frames_requesting_lock_.erase(render_frame_host); |
+ UpdateWakeLock(); |
+} |
+ |
+void WakeLockServiceContext::CreateWakeLock() { |
+ DCHECK(!wake_lock_); |
+ wake_lock_ = PowerSaveBlocker::Create( |
+ PowerSaveBlocker::kPowerSaveBlockPreventDisplaySleep, |
+ PowerSaveBlocker::kReasonOther, |
+ "Wake Lock API"); |
+ // On Android, additionaly associate the blocker with this WebContents' |
mlamouri (slow - plz ping)
2015/08/31 14:59:15
nit: add empty line before this comment and anothe
alogvinov
2015/09/02 17:06:22
Done.
|
+ // NativeView. |
+#if defined(OS_ANDROID) |
+ DCHECK(web_contents()); |
+ static_cast<PowerSaveBlockerImpl*>(wake_lock_.get())->InitDisplaySleepBlocker( |
+ web_contents()); |
+#endif |
+} |
+ |
+void WakeLockServiceContext::RemoveWakeLock() { |
+ wake_lock_.reset(); |
mlamouri (slow - plz ping)
2015/08/31 14:59:15
nit: DCHECK(wake_lock_);
alogvinov
2015/09/02 17:06:22
Done.
|
+} |
+ |
+void WakeLockServiceContext::UpdateWakeLock() { |
+ if (!frames_requesting_lock_.empty()) { |
+ if (!wake_lock_) { |
+ CreateWakeLock(); |
+ } |
+ } else { |
+ RemoveWakeLock(); |
+ } |
+} |
+ |
+} // namespace content |