src/ash/accelerators/accelerator_filter_unittest.cc

   1 // Copyright (c) 2012 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 #include "ui/wm/core/accelerator_filter.h"
   6
   7 #include "ash/accelerators/accelerator_controller.h"
   8 #include "ash/accelerators/accelerator_delegate.h"
   9 #include "ash/shell.h"
  10 #include "ash/shell_window_ids.h"
  11 #include "ash/test/ash_test_base.h"
  12 #include "ash/test/test_screenshot_delegate.h"
  13 #include "ash/wm/window_state.h"
  14 #include "ash/wm/window_util.h"
  15 #include "base/memory/scoped_ptr.h"
  16 #include "testing/gtest/include/gtest/gtest.h"
  17 #include "ui/aura/test/aura_test_base.h"
  18 #include "ui/aura/test/test_windows.h"
  19 #include "ui/aura/window.h"
  20 #include "ui/events/event.h"
  21 #include "ui/events/test/event_generator.h"
  22 #include "ui/gfx/rect.h"
  23
  24 namespace ash {
  25 namespace test {
  26
  27 typedef AshTestBase AcceleratorFilterTest;
  28
  29 // Tests if AcceleratorFilter works without a focused window.
  30 TEST_F(AcceleratorFilterTest, TestFilterWithoutFocus) {
  31   const TestScreenshotDelegate* delegate = GetScreenshotDelegate();
  32   EXPECT_EQ(0, delegate->handle_take_screenshot_count());
  33
  34   ui::test::EventGenerator generator(Shell::GetPrimaryRootWindow());
  35   // AcceleratorController calls ScreenshotDelegate::HandleTakeScreenshot() when
  36   // VKEY_PRINT is pressed. See kAcceleratorData[] in accelerator_controller.cc.
  37   generator.PressKey(ui::VKEY_PRINT, 0);
  38   EXPECT_EQ(1, delegate->handle_take_screenshot_count());
  39   generator.ReleaseKey(ui::VKEY_PRINT, 0);
  40   EXPECT_EQ(1, delegate->handle_take_screenshot_count());
  41 }
  42
  43 // Tests if AcceleratorFilter works as expected with a focused window.
  44 TEST_F(AcceleratorFilterTest, TestFilterWithFocus) {
  45   aura::test::TestWindowDelegate test_delegate;
  46   scoped_ptr<aura::Window> window(CreateTestWindowInShellWithDelegate(
  47       &test_delegate,
  48       -1,
  49       gfx::Rect()));
  50   wm::ActivateWindow(window.get());
  51
  52   const TestScreenshotDelegate* delegate = GetScreenshotDelegate();
  53   EXPECT_EQ(0, delegate->handle_take_screenshot_count());
  54
  55   // AcceleratorFilter should ignore the key events since the root window is
  56   // not focused.
  57   ui::test::EventGenerator generator(Shell::GetPrimaryRootWindow());
  58   generator.PressKey(ui::VKEY_PRINT, 0);
  59   EXPECT_EQ(0, delegate->handle_take_screenshot_count());
  60   generator.ReleaseKey(ui::VKEY_PRINT, 0);
  61   EXPECT_EQ(0, delegate->handle_take_screenshot_count());
  62
  63   // Reset window before |test_delegate| gets deleted.
  64   window.reset();
  65 }
  66
  67 // Tests if AcceleratorFilter ignores the flag for Caps Lock.
  68 TEST_F(AcceleratorFilterTest, TestCapsLockMask) {
  69   const TestScreenshotDelegate* delegate = GetScreenshotDelegate();
  70   EXPECT_EQ(0, delegate->handle_take_screenshot_count());
  71
  72   ui::test::EventGenerator generator(Shell::GetPrimaryRootWindow());
  73   generator.PressKey(ui::VKEY_PRINT, 0);
  74   EXPECT_EQ(1, delegate->handle_take_screenshot_count());
  75   generator.ReleaseKey(ui::VKEY_PRINT, 0);
  76   EXPECT_EQ(1, delegate->handle_take_screenshot_count());
  77
  78   // Check if AcceleratorFilter ignores the mask for Caps Lock. Note that there
  79   // is no ui::EF_ mask for Num Lock.
  80   generator.PressKey(ui::VKEY_PRINT, ui::EF_CAPS_LOCK_DOWN);
  81   EXPECT_EQ(2, delegate->handle_take_screenshot_count());
  82   generator.ReleaseKey(ui::VKEY_PRINT, ui::EF_CAPS_LOCK_DOWN);
  83   EXPECT_EQ(2, delegate->handle_take_screenshot_count());
  84 }
  85
  86 #if defined(OS_CHROMEOS)
  87 // Tests if special hardware keys like brightness and volume are consumed as
  88 // expected by the shell.
  89 TEST_F(AcceleratorFilterTest, CanConsumeSystemKeys) {
  90   ::wm::AcceleratorFilter filter(
  91       scoped_ptr< ::wm::AcceleratorDelegate>(new AcceleratorDelegate).Pass());
  92   aura::Window* root_window = Shell::GetPrimaryRootWindow();
  93
  94   // Normal keys are not consumed.
  95   ui::KeyEvent press_a(ui::ET_KEY_PRESSED, ui::VKEY_A, ui::EF_NONE);
  96   {
  97     ui::Event::DispatcherApi dispatch_helper(&press_a);
  98     dispatch_helper.set_target(root_window);
  99   }
 100   filter.OnKeyEvent(&press_a);
 101   EXPECT_FALSE(press_a.stopped_propagation());
 102
 103   // System keys are directly consumed.
 104   ui::KeyEvent press_mute(
 105       ui::ET_KEY_PRESSED, ui::VKEY_VOLUME_MUTE, ui::EF_NONE);
 106   {
 107     ui::Event::DispatcherApi dispatch_helper(&press_mute);
 108     dispatch_helper.set_target(root_window);
 109   }
 110   filter.OnKeyEvent(&press_mute);
 111   EXPECT_TRUE(press_mute.stopped_propagation());
 112
 113   // Setting a window property on the target allows system keys to pass through.
 114   scoped_ptr<aura::Window> window(CreateTestWindowInShellWithId(1));
 115   wm::GetWindowState(window.get())->set_can_consume_system_keys(true);
 116   ui::KeyEvent press_volume_up(
 117       ui::ET_KEY_PRESSED, ui::VKEY_VOLUME_UP, ui::EF_NONE);
 118   ui::Event::DispatcherApi dispatch_helper(&press_volume_up);
 119   dispatch_helper.set_target(window.get());
 120   filter.OnKeyEvent(&press_volume_up);
 121   EXPECT_FALSE(press_volume_up.stopped_propagation());
 122
 123   // System keys pass through to a child window if the parent (top level)
 124   // window has the property set.
 125   scoped_ptr<aura::Window> child(CreateTestWindowInShellWithId(2));
 126   window->AddChild(child.get());
 127   dispatch_helper.set_target(child.get());
 128   filter.OnKeyEvent(&press_volume_up);
 129   EXPECT_FALSE(press_volume_up.stopped_propagation());
 130 }
 131 #endif  // defined(OS_CHROMEOS)
 132
 133 }  // namespace test
 134 }  // namespace ash