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// Copyright 2013 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 CHROME_BROWSER_CHROMEOS_DISPLAY_OUTPUT_PROTECTION_DELEGATE_H_
#define CHROME_BROWSER_CHROMEOS_DISPLAY_OUTPUT_PROTECTION_DELEGATE_H_
#include <stdint.h>
#include "base/memory/weak_ptr.h"
#include "ui/aura/window.h"
#include "ui/aura/window_observer.h"
#include "ui/display/chromeos/display_configurator.h"
namespace chromeos {
// A class to query output protection status and/or enable output protection.
// All methods except constructor should be invoked in UI thread.
class OutputProtectionDelegate : public aura::WindowObserver {
public:
typedef base::Callback<void(bool /* success */,
uint32_t /* link_mask */,
uint32_t /* protection_mask*/)>
QueryStatusCallback;
typedef base::Callback<void(bool /* success */)> EnableProtectionCallback;
OutputProtectionDelegate(int render_process_id, int render_frame_id);
~OutputProtectionDelegate() override;
// aura::WindowObserver overrides.
void OnWindowHierarchyChanged(
const aura::WindowObserver::HierarchyChangeParams& params) override;
void OnWindowDestroying(aura::Window* window) override;
void QueryStatus(const QueryStatusCallback& callback);
void EnableProtection(uint32_t desired_method_mask,
const EnableProtectionCallback& callback);
private:
ui::DisplayConfigurator::ContentProtectionClientId GetClientId();
void QueryStatusComplete(
const QueryStatusCallback& callback,
const ui::DisplayConfigurator::QueryProtectionResponse& response);
void EnableProtectionComplete(const EnableProtectionCallback& callback,
bool success);
// Used to lookup the WebContents associated with the render frame.
int render_process_id_;
int render_frame_id_;
// Native window being observed.
aura::Window* window_;
ui::DisplayConfigurator::ContentProtectionClientId client_id_;
// The display id which the renderer currently uses.
int64_t display_id_;
// The last desired method mask. Will enable this mask on new display if
// renderer changes display.
uint32_t desired_method_mask_;
base::WeakPtrFactory<OutputProtectionDelegate> weak_ptr_factory_;
};
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_DISPLAY_OUTPUT_PROTECTION_DELEGATE_H_
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