src/ui/wm/core/input_method_event_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/input_method_event_filter.h"
   6
   7 #include "testing/gtest/include/gtest/gtest.h"
   8 #include "ui/aura/client/aura_constants.h"
   9 #include "ui/aura/test/aura_test_base.h"
  10 #include "ui/aura/test/test_windows.h"
  11 #include "ui/aura/window_event_dispatcher.h"
  12 #include "ui/base/ime/dummy_text_input_client.h"
  13 #include "ui/base/ime/input_method.h"
  14 #include "ui/base/ime/text_input_focus_manager.h"
  15 #include "ui/base/ui_base_switches_util.h"
  16 #include "ui/events/test/event_generator.h"
  17 #include "ui/events/test/test_event_handler.h"
  18 #include "ui/wm/core/compound_event_filter.h"
  19 #include "ui/wm/core/default_activation_client.h"
  20 #include "ui/wm/public/activation_client.h"
  21
  22 #if !defined(OS_WIN) && !defined(USE_X11)
  23 // On platforms except Windows and X11, ui::test::EventGenerator::PressKey
  24 // generates a key event without native_event(), which is not supported by
  25 // ui::MockInputMethod.
  26 #define TestInputMethodKeyEventPropagation \
  27 DISABLED_TestInputMethodKeyEventPropagation
  28 #endif
  29
  30 namespace wm {
  31
  32 class TestTextInputClient : public ui::DummyTextInputClient {
  33  public:
  34   explicit TestTextInputClient(aura::Window* window) : window_(window) {}
  35
  36   virtual aura::Window* GetAttachedWindow() const OVERRIDE { return window_; }
  37
  38  private:
  39   aura::Window* window_;
  40
  41   DISALLOW_COPY_AND_ASSIGN(TestTextInputClient);
  42 };
  43
  44 class InputMethodEventFilterTest : public aura::test::AuraTestBase {
  45  public:
  46   InputMethodEventFilterTest() {}
  47   virtual ~InputMethodEventFilterTest() {}
  48
  49   // testing::Test overrides:
  50   virtual void SetUp() OVERRIDE {
  51     aura::test::AuraTestBase::SetUp();
  52
  53     root_window()->AddPreTargetHandler(&root_filter_);
  54     input_method_event_filter_.reset(
  55         new InputMethodEventFilter(host()->GetAcceleratedWidget()));
  56     input_method_event_filter_->SetInputMethodPropertyInRootWindow(
  57         root_window());
  58     root_filter_.AddHandler(input_method_event_filter_.get());
  59     root_filter_.AddHandler(&test_filter_);
  60
  61     test_window_.reset(aura::test::CreateTestWindowWithDelegate(
  62         &test_window_delegate_, -1, gfx::Rect(), root_window()));
  63     test_input_client_.reset(new TestTextInputClient(test_window_.get()));
  64
  65     input_method_event_filter_->input_method()->SetFocusedTextInputClient(
  66         test_input_client_.get());
  67   }
  68
  69   virtual void TearDown() OVERRIDE {
  70     test_window_.reset();
  71     root_filter_.RemoveHandler(&test_filter_);
  72     root_filter_.RemoveHandler(input_method_event_filter_.get());
  73     root_window()->RemovePreTargetHandler(&root_filter_);
  74
  75     input_method_event_filter_.reset();
  76     test_input_client_.reset();
  77     aura::test::AuraTestBase::TearDown();
  78   }
  79
  80  protected:
  81   CompoundEventFilter root_filter_;
  82   ui::test::TestEventHandler test_filter_;
  83   scoped_ptr<InputMethodEventFilter> input_method_event_filter_;
  84   aura::test::TestWindowDelegate test_window_delegate_;
  85   scoped_ptr<aura::Window> test_window_;
  86   scoped_ptr<TestTextInputClient> test_input_client_;
  87
  88  private:
  89   DISALLOW_COPY_AND_ASSIGN(InputMethodEventFilterTest);
  90 };
  91
  92 TEST_F(InputMethodEventFilterTest, TestInputMethodProperty) {
  93   // Tests if InputMethodEventFilter adds a window property on its
  94   // construction.
  95   EXPECT_TRUE(root_window()->GetProperty(
  96       aura::client::kRootWindowInputMethodKey));
  97 }
  98
  99 // Tests if InputMethodEventFilter dispatches a ui::ET_TRANSLATED_KEY_* event to
 100 // the root window.
 101 TEST_F(InputMethodEventFilterTest, TestInputMethodKeyEventPropagation) {
 102   // Send a fake key event to the root window. InputMethodEventFilter, which is
 103   // automatically set up by AshTestBase, consumes it and sends a new
 104   // ui::ET_TRANSLATED_KEY_* event to the root window, which will be consumed by
 105   // the test event filter.
 106   ui::test::EventGenerator generator(root_window());
 107   EXPECT_EQ(0, test_filter_.num_key_events());
 108   generator.PressKey(ui::VKEY_SPACE, 0);
 109   EXPECT_EQ(1, test_filter_.num_key_events());
 110   generator.ReleaseKey(ui::VKEY_SPACE, 0);
 111   EXPECT_EQ(2, test_filter_.num_key_events());
 112 }
 113
 114 TEST_F(InputMethodEventFilterTest, TestEventDispatching) {
 115   ui::KeyEvent evt(ui::ET_KEY_PRESSED,
 116                    ui::VKEY_PROCESSKEY,
 117                    ui::EF_IME_FABRICATED_KEY);
 118   // Calls DispatchKeyEventPostIME() without a focused text input client.
 119   if (switches::IsTextInputFocusManagerEnabled())
 120     ui::TextInputFocusManager::GetInstance()->FocusTextInputClient(NULL);
 121   else
 122     input_method_event_filter_->input_method()->SetFocusedTextInputClient(NULL);
 123   input_method_event_filter_->input_method()->DispatchKeyEvent(evt);
 124   // Verifies 0 key event happened because InputMethodEventFilter::
 125   // DispatchKeyEventPostIME() returns false.
 126   EXPECT_EQ(0, test_filter_.num_key_events());
 127
 128   // Calls DispatchKeyEventPostIME() with a focused text input client.
 129   if (switches::IsTextInputFocusManagerEnabled()) {
 130     ui::TextInputFocusManager::GetInstance()->FocusTextInputClient(
 131         test_input_client_.get());
 132   } else {
 133     input_method_event_filter_->input_method()->SetFocusedTextInputClient(
 134         test_input_client_.get());
 135   }
 136   input_method_event_filter_->input_method()->DispatchKeyEvent(evt);
 137   // Verifies 1 key event happened because InputMethodEventFilter::
 138   // DispatchKeyEventPostIME() returns true.
 139   EXPECT_EQ(1, test_filter_.num_key_events());
 140 }
 141
 142 }  // namespace wm