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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_IMPL_H_
#define CHROME_BROWSER_MEDIA_OUTPUT_PROTECTION_IMPL_H_
#include "content/public/browser/document_service.h"
#include "media/mojo/mojom/output_protection.mojom.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
class OutputProtectionProxy;
namespace content {
class RenderFrameHost;
}
// Implements media::mojom::OutputProtection to check display links and
// their statuses. On all platforms we'll check the network links. On ChromeOS
// we'll also check the hardware links. Can only be used on the UI thread.
class OutputProtectionImpl final
: public content::DocumentService<media::mojom::OutputProtection> {
public:
static void Create(
content::RenderFrameHost* render_frame_host,
mojo::PendingReceiver<media::mojom::OutputProtection> receiver);
// media::mojom::OutputProtection implementation.
void QueryStatus(QueryStatusCallback callback) final;
void EnableProtection(uint32_t desired_protection_mask,
EnableProtectionCallback callback) final;
private:
OutputProtectionImpl(
content::RenderFrameHost& render_frame_host,
mojo::PendingReceiver<media::mojom::OutputProtection> receiver);
// |this| can only be destructed as a DocumentService.
~OutputProtectionImpl() final;
// Callbacks for QueryStatus and EnableProtection results.
// Note: These are bound using weak pointers so that we won't fire |callback|
// after the binding is destroyed.
void OnQueryStatusResult(QueryStatusCallback callback,
bool success,
uint32_t link_mask,
uint32_t protection_mask);
void OnEnableProtectionResult(EnableProtectionCallback callback,
bool success);
// Helper function to lazily create the |proxy_| and return it.
OutputProtectionProxy* GetProxy();
// TODO(crbug.com/41347782): Remove these IDs after OutputProtection PPAPI is
// deprecated.
const int render_process_id_;
const int render_frame_id_;
std::unique_ptr<OutputProtectionProxy> proxy_;
base::WeakPtrFactory<OutputProtectionImpl> weak_factory_{this};
};
#endif // CHROME_BROWSER_MEDIA_OUTPUT_PROTECTION_IMPL_H_
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