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Unified Diff: content/browser/wake_lock/wake_lock_service_context.h

Issue 1107333002: Wake Lock API implementation (Chromium part) (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: added visibility check to browsertest Created 5 years, 3 months ago
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Index: content/browser/wake_lock/wake_lock_service_context.h
diff --git a/content/browser/wake_lock/wake_lock_service_context.h b/content/browser/wake_lock/wake_lock_service_context.h
new file mode 100644
index 0000000000000000000000000000000000000000..375fa0c2a982f5632ad6d61aa111cc6d52416cbc
--- /dev/null
+++ b/content/browser/wake_lock/wake_lock_service_context.h
@@ -0,0 +1,67 @@
+// 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.
+
+#ifndef CONTENT_BROWSER_WAKE_LOCK_WAKE_LOCK_SERVICE_CONTEXT_H_
+#define CONTENT_BROWSER_WAKE_LOCK_WAKE_LOCK_SERVICE_CONTEXT_H_
+
+#include <set>
+#include <utility>
+
+#include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
+#include "content/browser/wake_lock/wake_lock_service_impl.h"
+#include "content/common/content_export.h"
+#include "content/public/browser/web_contents_observer.h"
+#include "mojo/public/cpp/bindings/interface_request.h"
+
+namespace content {
+
+class PowerSaveBlocker;
+class RenderFrameHost;
+class WebContents;
+
+class CONTENT_EXPORT WakeLockServiceContext : public WebContentsObserver {
+ public:
+ explicit WakeLockServiceContext(WebContents* web_contents);
+ ~WakeLockServiceContext() override;
+
+ // Creates a WakeLockServiceImpl that is strongly bound to |request|.
+ void CreateService(int render_process_id,
+ int render_frame_id,
+ mojo::InterfaceRequest<WakeLockService> request);
+
+ // WebContentsObserver implementation.
+ void RenderFrameDeleted(RenderFrameHost* render_frame_host) override;
+
+ // Requests wake lock for RenderFrame identified by |render_process_id| and
+ // |render_frame_id|.
+ void RequestWakeLock(int render_process_id, int render_frame_id);
+
+ // Cancels wake lock request for RenderFrame identified by
+ // |render_process_id| and |render_frame_id|.
+ void CancelWakeLock(int render_process_id, int render_frame_id);
+
+ // Used by tests.
+ bool HasWakeLockForTests() const;
+
+ private:
+ void CreateWakeLock();
+ void RemoveWakeLock();
+ void UpdateWakeLock();
+
+ // Set of (render_process_id, render_frame_id) pairs identifying all
+ // RenderFrames requesting wake lock.
+ std::set<std::pair<int, int>> frames_requesting_lock_;
+
+ // The actual power save blocker for screen.
+ scoped_ptr<PowerSaveBlocker> wake_lock_;
+
+ base::WeakPtrFactory<WakeLockServiceContext> weak_factory_;
+
+ DISALLOW_COPY_AND_ASSIGN(WakeLockServiceContext);
+};
+
+} // namespace content
+
+#endif // CONTENT_BROWSER_WAKE_LOCK_WAKE_LOCK_SERVICE_CONTEXT_H_
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