ui/views/controls/button/custom_button_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/views/controls/button/custom_button.h"
   6
   7 #include "testing/gtest/include/gtest/gtest.h"
   8 #include "ui/aura/test/test_cursor_client.h"
   9 #include "ui/aura/window.h"
  10 #include "ui/aura/window_event_dispatcher.h"
  11 #include "ui/base/layout.h"
  12 #include "ui/events/event_utils.h"
  13 #include "ui/gfx/screen.h"
  14 #include "ui/views/controls/button/checkbox.h"
  15 #include "ui/views/controls/button/image_button.h"
  16 #include "ui/views/controls/button/label_button.h"
  17 #include "ui/views/controls/button/menu_button.h"
  18 #include "ui/views/controls/button/radio_button.h"
  19 #include "ui/views/controls/link.h"
  20 #include "ui/views/controls/textfield/textfield.h"
  21 #include "ui/views/test/views_test_base.h"
  22
  23 namespace views {
  24
  25 namespace {
  26
  27 class TestCustomButton : public CustomButton {
  28  public:
  29   explicit TestCustomButton(ButtonListener* listener)
  30       : CustomButton(listener) {
  31   }
  32
  33   ~TestCustomButton() override {}
  34
  35  private:
  36   DISALLOW_COPY_AND_ASSIGN(TestCustomButton);
  37 };
  38
  39 void PerformGesture(CustomButton* button, ui::EventType event_type) {
  40   ui::GestureEventDetails gesture_details(event_type);
  41   base::TimeDelta time_stamp = base::TimeDelta::FromMicroseconds(0);
  42   ui::GestureEvent gesture_event(0, 0, 0, time_stamp, gesture_details);
  43   button->OnGestureEvent(&gesture_event);
  44 }
  45
  46 }  // namespace
  47
  48 typedef ViewsTestBase CustomButtonTest;
  49
  50 // Tests that hover state changes correctly when visiblity/enableness changes.
  51 TEST_F(CustomButtonTest, HoverStateOnVisibilityChange) {
  52   // Create a widget so that the CustomButton can query the hover state
  53   // correctly.
  54   scoped_ptr<Widget> widget(new Widget);
  55   Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
  56   params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
  57   params.bounds = gfx::Rect(0, 0, 650, 650);
  58   widget->Init(params);
  59   widget->Show();
  60
  61   aura::test::TestCursorClient cursor_client(
  62       widget->GetNativeView()->GetRootWindow());
  63
  64   // Position the widget in a way so that it is under the cursor.
  65   gfx::Point cursor = gfx::Screen::GetScreenFor(
  66       widget->GetNativeView())->GetCursorScreenPoint();
  67   gfx::Rect widget_bounds = widget->GetWindowBoundsInScreen();
  68   widget_bounds.set_origin(cursor);
  69   widget->SetBounds(widget_bounds);
  70
  71   TestCustomButton* button = new TestCustomButton(NULL);
  72   widget->SetContentsView(button);
  73
  74   gfx::Point center(10, 10);
  75   button->OnMousePressed(ui::MouseEvent(
  76       ui::ET_MOUSE_PRESSED, center, center, ui::EventTimeForNow(),
  77       ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON));
  78   EXPECT_EQ(CustomButton::STATE_PRESSED, button->state());
  79
  80   button->OnMouseReleased(ui::MouseEvent(
  81       ui::ET_MOUSE_RELEASED, center, center, ui::EventTimeForNow(),
  82       ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON));
  83   EXPECT_EQ(CustomButton::STATE_HOVERED, button->state());
  84
  85   button->SetEnabled(false);
  86   EXPECT_EQ(CustomButton::STATE_DISABLED, button->state());
  87
  88   button->SetEnabled(true);
  89   EXPECT_EQ(CustomButton::STATE_HOVERED, button->state());
  90
  91   button->SetVisible(false);
  92   EXPECT_EQ(CustomButton::STATE_NORMAL, button->state());
  93
  94   button->SetVisible(true);
  95   EXPECT_EQ(CustomButton::STATE_HOVERED, button->state());
  96
  97   // In Aura views, no new hover effects are invoked if mouse events
  98   // are disabled.
  99   cursor_client.DisableMouseEvents();
 100
 101   button->SetEnabled(false);
 102   EXPECT_EQ(CustomButton::STATE_DISABLED, button->state());
 103
 104   button->SetEnabled(true);
 105   EXPECT_EQ(CustomButton::STATE_NORMAL, button->state());
 106
 107   button->SetVisible(false);
 108   EXPECT_EQ(CustomButton::STATE_NORMAL, button->state());
 109
 110   button->SetVisible(true);
 111   EXPECT_EQ(CustomButton::STATE_NORMAL, button->state());
 112 }
 113
 114 // Tests that gesture events correctly change the button state.
 115 TEST_F(CustomButtonTest, GestureEventsSetState) {
 116   // Create a widget so that the CustomButton can query the hover state
 117   // correctly.
 118   scoped_ptr<Widget> widget(new Widget);
 119   Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
 120   params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
 121   params.bounds = gfx::Rect(0, 0, 650, 650);
 122   widget->Init(params);
 123   widget->Show();
 124
 125   aura::test::TestCursorClient cursor_client(
 126       widget->GetNativeView()->GetRootWindow());
 127
 128   TestCustomButton* button = new TestCustomButton(NULL);
 129   widget->SetContentsView(button);
 130
 131   EXPECT_EQ(CustomButton::STATE_NORMAL, button->state());
 132
 133   PerformGesture(button, ui::ET_GESTURE_TAP_DOWN);
 134   EXPECT_EQ(CustomButton::STATE_PRESSED, button->state());
 135
 136   PerformGesture(button, ui::ET_GESTURE_SHOW_PRESS);
 137   EXPECT_EQ(CustomButton::STATE_PRESSED, button->state());
 138
 139   PerformGesture(button, ui::ET_GESTURE_TAP_CANCEL);
 140   EXPECT_EQ(CustomButton::STATE_NORMAL, button->state());
 141 }
 142
 143 // Ensure subclasses of CustomButton are correctly recognized as CustomButton.
 144 TEST_F(CustomButtonTest, AsCustomButton) {
 145   base::string16 text;
 146
 147   LabelButton label_button(NULL, text);
 148   EXPECT_TRUE(CustomButton::AsCustomButton(&label_button));
 149
 150   ImageButton image_button(NULL);
 151   EXPECT_TRUE(CustomButton::AsCustomButton(&image_button));
 152
 153   Checkbox checkbox(text);
 154   EXPECT_TRUE(CustomButton::AsCustomButton(&checkbox));
 155
 156   RadioButton radio_button(text, 0);
 157   EXPECT_TRUE(CustomButton::AsCustomButton(&radio_button));
 158
 159   MenuButton menu_button(NULL, text, NULL, false);
 160   EXPECT_TRUE(CustomButton::AsCustomButton(&menu_button));
 161
 162   Label label;
 163   EXPECT_FALSE(CustomButton::AsCustomButton(&label));
 164
 165   Link link(text);
 166   EXPECT_FALSE(CustomButton::AsCustomButton(&link));
 167
 168   Textfield textfield;
 169   EXPECT_FALSE(CustomButton::AsCustomButton(&textfield));
 170 }
 171
 172 }  // namespace views