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