| // 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 "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 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_ |