accelerator_filter_unittest.cc revision 5821806d5e7f356e8fa4b058a389a808ea183019 
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 "ash/accelerators/accelerator_filter.h"
6
7#include "ash/accelerators/accelerator_controller.h"
8#include "ash/screenshot_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/wm/window_util.h"
13#include "base/memory/scoped_ptr.h"
14#include "testing/gtest/include/gtest/gtest.h"
15#include "ui/aura/test/aura_test_base.h"
16#include "ui/aura/test/event_generator.h"
17#include "ui/aura/test/test_windows.h"
18#include "ui/aura/window.h"
19#include "ui/gfx/rect.h"
20
21namespace ash {
22namespace test {
23
24namespace {
25
26class DummyScreenshotDelegate : public ScreenshotDelegate {
27 public:
28  DummyScreenshotDelegate() : handle_take_screenshot_count_(0) {
29  }
30  virtual ~DummyScreenshotDelegate() {}
31
32  // Overridden from ScreenshotDelegate:
33  virtual void HandleTakeScreenshotForAllRootWindows() OVERRIDE {
34    ++handle_take_screenshot_count_;
35  }
36
37  virtual void HandleTakePartialScreenshot(
38      aura::Window* window, const gfx::Rect& rect) OVERRIDE {
39    // Do nothing because it's not tested yet.
40  }
41
42  virtual bool CanTakeScreenshot() OVERRIDE {
43    return true;
44  }
45
46  int handle_take_screenshot_count() const {
47    return handle_take_screenshot_count_;
48  }
49
50 private:
51  int handle_take_screenshot_count_;
52
53  DISALLOW_COPY_AND_ASSIGN(DummyScreenshotDelegate);
54};
55
56AcceleratorController* GetController() {
57  return Shell::GetInstance()->accelerator_controller();
58}
59
60}  // namespace
61
62typedef AshTestBase AcceleratorFilterTest;
63
64// Tests if AcceleratorFilter works without a focused window.
65TEST_F(AcceleratorFilterTest, TestFilterWithoutFocus) {
66  DummyScreenshotDelegate* delegate = new DummyScreenshotDelegate;
67  GetController()->SetScreenshotDelegate(
68      scoped_ptr<ScreenshotDelegate>(delegate).Pass());
69  EXPECT_EQ(0, delegate->handle_take_screenshot_count());
70
71  aura::test::EventGenerator generator(Shell::GetPrimaryRootWindow());
72  // AcceleratorController calls ScreenshotDelegate::HandleTakeScreenshot() when
73  // VKEY_PRINT is pressed. See kAcceleratorData[] in accelerator_controller.cc.
74  generator.PressKey(ui::VKEY_PRINT, 0);
75  EXPECT_EQ(1, delegate->handle_take_screenshot_count());
76  generator.ReleaseKey(ui::VKEY_PRINT, 0);
77  EXPECT_EQ(1, delegate->handle_take_screenshot_count());
78}
79
80// Tests if AcceleratorFilter works as expected with a focused window.
81TEST_F(AcceleratorFilterTest, TestFilterWithFocus) {
82  aura::test::TestWindowDelegate test_delegate;
83  scoped_ptr<aura::Window> window(aura::test::CreateTestWindowWithDelegate(
84      &test_delegate,
85      -1,
86      gfx::Rect(),
87      NULL));
88  wm::ActivateWindow(window.get());
89
90  DummyScreenshotDelegate* delegate = new DummyScreenshotDelegate;
91  GetController()->SetScreenshotDelegate(
92      scoped_ptr<ScreenshotDelegate>(delegate).Pass());
93  EXPECT_EQ(0, delegate->handle_take_screenshot_count());
94
95  // AcceleratorFilter should ignore the key events since the root window is
96  // not focused.
97  aura::test::EventGenerator generator(Shell::GetPrimaryRootWindow());
98  generator.PressKey(ui::VKEY_PRINT, 0);
99  EXPECT_EQ(0, delegate->handle_take_screenshot_count());
100  generator.ReleaseKey(ui::VKEY_PRINT, 0);
101  EXPECT_EQ(0, delegate->handle_take_screenshot_count());
102
103  // Reset window before |test_delegate| gets deleted.
104  window.reset();
105}
106
107// Tests if AcceleratorFilter ignores the flag for Caps Lock.
108TEST_F(AcceleratorFilterTest, TestCapsLockMask) {
109  DummyScreenshotDelegate* delegate = new DummyScreenshotDelegate;
110  GetController()->SetScreenshotDelegate(
111      scoped_ptr<ScreenshotDelegate>(delegate).Pass());
112  EXPECT_EQ(0, delegate->handle_take_screenshot_count());
113
114  aura::test::EventGenerator generator(Shell::GetPrimaryRootWindow());
115  generator.PressKey(ui::VKEY_PRINT, 0);
116  EXPECT_EQ(1, delegate->handle_take_screenshot_count());
117  generator.ReleaseKey(ui::VKEY_PRINT, 0);
118  EXPECT_EQ(1, delegate->handle_take_screenshot_count());
119
120  // Check if AcceleratorFilter ignores the mask for Caps Lock. Note that there
121  // is no ui::EF_ mask for Num Lock.
122  generator.PressKey(ui::VKEY_PRINT, ui::EF_CAPS_LOCK_DOWN);
123  EXPECT_EQ(2, delegate->handle_take_screenshot_count());
124  generator.ReleaseKey(ui::VKEY_PRINT, ui::EF_CAPS_LOCK_DOWN);
125  EXPECT_EQ(2, delegate->handle_take_screenshot_count());
126}
127
128}  // namespace test
129}  // namespace ash
130