| // Copyright 2016 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_MEDIA_OUTPUT_PROTECTION_IMPL_H_ |
| #define CHROME_BROWSER_MEDIA_OUTPUT_PROTECTION_IMPL_H_ |
| |
| #include "content/public/browser/frame_service_base.h" |
| #include "media/mojo/interfaces/output_protection.mojom.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::FrameServiceBase<media::mojom::OutputProtection> { |
| public: |
| static void Create(content::RenderFrameHost* render_frame_host, |
| media::mojom::OutputProtectionRequest request); |
| |
| OutputProtectionImpl(content::RenderFrameHost* render_frame_host, |
| media::mojom::OutputProtectionRequest request); |
| |
| // media::mojom::OutputProtection implementation. |
| void QueryStatus(QueryStatusCallback callback) final; |
| void EnableProtection(uint32_t desired_protection_mask, |
| EnableProtectionCallback callback) final; |
| |
| private: |
| // |this| can only be destructed as a FrameServiceBase. |
| ~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/770958): 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_; |
| }; |
| |
| #endif // CHROME_BROWSER_MEDIA_OUTPUT_PROTECTION_IMPL_H_ |