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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_MEDIA_OUTPUT_PROTECTION_PROXY_H_
#define CHROME_BROWSER_MEDIA_OUTPUT_PROTECTION_PROXY_H_
#include <stdint.h>
#include "base/memory/weak_ptr.h"
#include "build/build_config.h"
#include "content/public/browser/browser_thread.h"
#if BUILDFLAG(IS_CHROMEOS)
#include "ash/display/output_protection_delegate.h"
#endif
// A class to query output protection status and/or enable output protection.
//
// On Chrome OS, operations on the physical displays are delegated to
// OutputProtectionDelegate. On other platforms, physical displays are not
// checked.
//
// On all platforms, in ProcessQueryStatusResult(), this class checks the
// network link and adds it to the existing link mask.
//
// All methods except constructor should be invoked in UI thread.
class OutputProtectionProxy {
public:
using QueryStatusCallback =
base::OnceCallback<void(bool /* success */,
uint32_t /* link_mask */,
uint32_t /* protection_mask*/)>;
using EnableProtectionCallback = base::OnceCallback<void(bool /* success */)>;
OutputProtectionProxy(int render_process_id, int render_frame_id);
~OutputProtectionProxy();
void QueryStatus(QueryStatusCallback callback);
void EnableProtection(uint32_t desired_method_mask,
EnableProtectionCallback callback);
private:
// Callbacks for QueryStatus(). It also checks the network link and adds it
// to the |link_mask|.
void ProcessQueryStatusResult(QueryStatusCallback callback,
bool success,
uint32_t link_mask,
uint32_t protection_mask);
// Used to lookup the WebContents associated with the render frame.
int render_process_id_;
int render_frame_id_;
#if BUILDFLAG(IS_CHROMEOS)
ash::OutputProtectionDelegate output_protection_delegate_;
#endif
base::WeakPtrFactory<OutputProtectionProxy> weak_ptr_factory_{this};
};
#endif // CHROME_BROWSER_MEDIA_OUTPUT_PROTECTION_PROXY_H_
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