Enabled volume buttons when TouchView is active

ash/wm/maximize_mode/maximize_mode_controller_unittest.cc

Index: ash/wm/maximize_mode/maximize_mode_controller_unittest.cc
diff --git a/ash/wm/maximize_mode/maximize_mode_controller_unittest.cc b/ash/wm/maximize_mode/maximize_mode_controller_unittest.cc
index d619fd5239dd9885cfa172987272bdb5893686e3..11bf6453251b7ac3c4305db9a34ef4bedb7636fd 100644
--- a/ash/wm/maximize_mode/maximize_mode_controller_unittest.cc
+++ b/ash/wm/maximize_mode/maximize_mode_controller_unittest.cc
@@ -7,8 +7,10 @@
 #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/dummy_volume_control_delegate.h"
 #include "ui/aura/test/event_generator.h"
 #include "ui/events/event_handler.h"
 #include "ui/gfx/vector3d_f.h"
@@ -148,7 +150,7 @@ TEST_F(MaximizeModeControllerTest, EnterExitThresholds) {
 // Tests that when the hinge is nearly vertically aligned, the current state
 // persists as the computed angle is highly inaccurate in this orientation.
 TEST_F(MaximizeModeControllerTest, HingeAligned) {
-   // Laptop in normal orientation lid open 90 degrees.
+  // Laptop in normal orientation lid open 90 degrees.
   TriggerAccelerometerUpdate(gfx::Vector3dF(0.0f, 0.0f, 1.0f),
                              gfx::Vector3dF(-1.0f, 0.0f, 0.0f));
   EXPECT_FALSE(IsMaximizeModeStarted());
@@ -309,7 +311,7 @@ TEST_F(MaximizeModeControllerTest, BlocksKeyboard) {
   EXPECT_EQ(0u, counter.event_count());
   counter.reset();
 
- // Touch should not be blocked.
+  // Touch should not be blocked.
   event_generator.PressTouch();
   event_generator.ReleaseTouch();
   EXPECT_GT(counter.event_count(), 0u);
@@ -327,6 +329,34 @@ TEST_F(MaximizeModeControllerTest, BlocksKeyboard) {
   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);
+
+  DummyVolumeControlDelegate* volume_delegate =
+      new DummyVolumeControlDelegate(false);
+  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