| // Copyright 2014 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 ASH_DISPLAY_PROJECTING_OBSERVER_H_ |
| #define ASH_DISPLAY_PROJECTING_OBSERVER_H_ |
| |
| #include "ash/ash_export.h" |
| #include "ash/shell_observer.h" |
| #include "base/macros.h" |
| #include "ui/display/manager/display_configurator.h" |
| |
| namespace chromeos { |
| class PowerManagerClient; |
| } |
| |
| namespace ash { |
| |
| class ASH_EXPORT ProjectingObserver |
| : public display::DisplayConfigurator::Observer, |
| public ShellObserver { |
| public: |
| // |display_configurator| must outlive this instance. May be null in tests. |
| explicit ProjectingObserver( |
| display::DisplayConfigurator* display_configurator); |
| ~ProjectingObserver() override; |
| |
| // DisplayConfigurator::Observer implementation: |
| void OnDisplayModeChanged( |
| const display::DisplayConfigurator::DisplayStateList& outputs) override; |
| |
| // ash::ShellObserver implementation: |
| void OnCastingSessionStartedOrStopped(bool started) override; |
| |
| private: |
| friend class ProjectingObserverTest; |
| |
| void set_power_manager_client_for_test( |
| chromeos::PowerManagerClient* power_manager_client) { |
| power_manager_client_for_test_ = power_manager_client; |
| } |
| |
| // Sends the current projecting state to power manager. |
| void SetIsProjecting(); |
| |
| display::DisplayConfigurator* display_configurator_; // Unowned |
| |
| // True if at least one output is internal. This value is updated when |
| // |OnDisplayModeChanged| is called. |
| bool has_internal_output_ = false; |
| |
| // Keeps track of the number of connected outputs. |
| int output_count_ = 0; |
| |
| // Number of outstanding casting sessions. |
| int casting_session_count_ = 0; |
| |
| // Weak pointer to the DBusClient PowerManagerClient for testing; |
| chromeos::PowerManagerClient* power_manager_client_for_test_ = nullptr; |
| |
| DISALLOW_COPY_AND_ASSIGN(ProjectingObserver); |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_DISPLAY_PROJECTING_OBSERVER_H_ |