ash/test/test_volume_control_delegate.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef ASH_TEST_TEST_VOLUME_CONTROL_DELEGATE_H_
   6 #define ASH_TEST_TEST_VOLUME_CONTROL_DELEGATE_H_
   7
   8 #include "ash/volume_control_delegate.h"
   9 #include "ui/base/accelerators/accelerator.h"
  10
  11 namespace ash {
  12
  13 // A simple test double for a VolumeControlDelegate
  14 // Will count the number of times the HandleVolumeMute, HandleVolumeDown and
  15 // HandleVolumeUp methods are invoked.
  16 class TestVolumeControlDelegate : public ash::VolumeControlDelegate {
  17  public:
  18   explicit TestVolumeControlDelegate(bool consume);
  19   ~TestVolumeControlDelegate() override;
  20
  21   int handle_volume_mute_count() const {
  22     return handle_volume_mute_count_;
  23   }
  24
  25   int handle_volume_down_count() const {
  26     return handle_volume_down_count_;
  27   }
  28
  29   int handle_volume_up_count() const {
  30     return handle_volume_up_count_;
  31   }
  32
  33   const ui::Accelerator& last_accelerator() const {
  34     return last_accelerator_;
  35   }
  36
  37   // ash::VolumeControlDelegate:
  38   bool HandleVolumeMute(const ui::Accelerator& accelerator) override;
  39   bool HandleVolumeDown(const ui::Accelerator& accelerator) override;
  40   bool HandleVolumeUp(const ui::Accelerator& accelerator) override;
  41
  42  private:
  43   // Keeps track of the return value that should be used for the methods
  44   // inherited from VolumeControlDelegate
  45   bool consume_;
  46   int handle_volume_mute_count_;
  47   int handle_volume_down_count_;
  48   int handle_volume_up_count_;
  49   ui::Accelerator last_accelerator_;
  50
  51   DISALLOW_COPY_AND_ASSIGN(TestVolumeControlDelegate);
  52 };
  53
  54 }  // namespace ash
  55
  56 #endif  // ASH_TEST_TEST_VOLUME_CONTROL_DELEGATE_H_