Enabled volume buttons when TouchView is active

ash/wm/maximize_mode/maximize_mode_controller_unittest.cc

 // 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.
 
 #include "ash/wm/maximize_mode/maximize_mode_controller.h"
 
 #include "ash/accelerometer/accelerometer_controller.h"
 #include "ash/display/display_manager.h"
 #include "ash/shell.h"
+#include "ash/system/tray/system_tray_delegate.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/test/display_manager_test_api.h"
+#include "ash/test/test_volume_control_delegate.h"
 #include "ui/aura/test/event_generator.h"
 #include "ui/events/event_handler.h"
 #include "ui/gfx/vector3d_f.h"
 
 namespace ash {
 
 namespace {
 
 const float kDegreesToRadians = 3.14159265f / 180.0f;
 
@@ skipping 298 matching lines @@
   // Lid open 90 degrees.
   TriggerAccelerometerUpdate(gfx::Vector3dF(0.0f, 0.0f, 1.0f),
                              gfx::Vector3dF(-1.0f, 0.0f, 0.0f));
 
   event_generator.PressKey(ui::VKEY_ESCAPE, 0);
   event_generator.ReleaseKey(ui::VKEY_ESCAPE, 0);
   EXPECT_GT(counter.event_count(), 0u);
   counter.reset();
 }
 
+// Tests that maximize mode does not block Volume Up & Down events.
+TEST_F(MaximizeModeControllerTest, AllowsVolumeControl) {
+  aura::Window* root = Shell::GetPrimaryRootWindow();
+  aura::test::EventGenerator event_generator(root, root);
+
+  TestVolumeControlDelegate* volume_delegate =
+      new TestVolumeControlDelegate(true);
+  ash::Shell::GetInstance()->system_tray_delegate()->SetVolumeControlDelegate(
+      scoped_ptr<VolumeControlDelegate>(volume_delegate).Pass());
+
+  // Trigger maximize mode by opening to 270 to begin the test in maximize mode.
+  TriggerAccelerometerUpdate(gfx::Vector3dF(0.0f, 0.0f, -1.0f),
+                             gfx::Vector3dF(-1.0f, 0.0f, 0.0f));
+  ASSERT_TRUE(IsMaximizeModeStarted());
+
+  // Verify volume down button event is not blocked
+  ASSERT_EQ(0, volume_delegate->handle_volume_down_count());
+  event_generator.PressKey(ui::VKEY_VOLUME_DOWN, 0);
+  event_generator.ReleaseKey(ui::VKEY_VOLUME_DOWN, 0);
+  EXPECT_EQ(1, volume_delegate->handle_volume_down_count());
+
+  // Verify volume up event is not blocked
+  ASSERT_EQ(0, volume_delegate->handle_volume_up_count());
+  event_generator.PressKey(ui::VKEY_VOLUME_UP, 0);
+  event_generator.ReleaseKey(ui::VKEY_VOLUME_UP, 0);
+  EXPECT_EQ(1, volume_delegate->handle_volume_up_count());
+}
+
 TEST_F(MaximizeModeControllerTest, LaptopTest) {
   // Feeds in sample accelerometer data and verifies that there are no
   // transitions into touchview / maximize mode while shaking the device around
   // with the hinge at less than 180 degrees.
   ASSERT_EQ(0u, kAccelerometerLaptopModeTestDataLength % 6);
   for (size_t i = 0; i < kAccelerometerLaptopModeTestDataLength / 6; ++i) {
     gfx::Vector3dF base(kAccelerometerLaptopModeTestData[i * 6],
                         kAccelerometerLaptopModeTestData[i * 6 + 1],
                         kAccelerometerLaptopModeTestData[i * 6 + 2]);
     gfx::Vector3dF lid(kAccelerometerLaptopModeTestData[i * 6 + 3],
@@ skipping 71 matching lines @@
 
   // Trigger maximize mode by opening to 270.
   TriggerAccelerometerUpdate(gfx::Vector3dF(0.0f, 0.0f, -1.0f),
                              gfx::Vector3dF(-1.0f, 0.0f, 0.0f));
   ASSERT_TRUE(IsMaximizeModeStarted());
   EXPECT_TRUE(maximize_mode_controller()->rotation_locked());
   EXPECT_EQ(gfx::Display::ROTATE_90, GetInternalDisplayRotation());
 }
 
 }  // namespace ash