ui/views/window/custom_frame_view_unittest.cc

   1 // Copyright 2014 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/window/custom_frame_view.h"
   6
   7 #include <vector>
   8
   9 #include "ui/views/controls/button/image_button.h"
  10 #include "ui/views/test/views_test_base.h"
  11 #include "ui/views/widget/widget.h"
  12 #include "ui/views/widget/widget_delegate.h"
  13 #include "ui/views/window/window_button_order_provider.h"
  14
  15 namespace views {
  16
  17 namespace {
  18
  19 // Allows for the control of whether or not the widget can minimize/maximize or
  20 // not. This can be set after initial setup in order to allow testing of both
  21 // forms of delegates. By default this can minimize and maximize.
  22 class MinimizeAndMaximizeStateControlDelegate : public WidgetDelegateView {
  23  public:
  24   MinimizeAndMaximizeStateControlDelegate()
  25         : can_maximize_(true),
  26           can_minimize_(true) {}
  27   ~MinimizeAndMaximizeStateControlDelegate() override {}
  28
  29   void set_can_maximize(bool can_maximize) {
  30     can_maximize_ = can_maximize;
  31   }
  32
  33   void set_can_minimize(bool can_minimize) {
  34     can_minimize_ = can_minimize;
  35   }
  36
  37   // WidgetDelegate:
  38   bool CanMaximize() const override { return can_maximize_; }
  39   bool CanMinimize() const override { return can_minimize_; }
  40
  41  private:
  42   bool can_maximize_;
  43   bool can_minimize_;
  44
  45   DISALLOW_COPY_AND_ASSIGN(MinimizeAndMaximizeStateControlDelegate);
  46 };
  47
  48 }  // namespace
  49
  50 class CustomFrameViewTest : public ViewsTestBase {
  51  public:
  52   CustomFrameViewTest() {}
  53   ~CustomFrameViewTest() override {}
  54
  55   CustomFrameView* custom_frame_view() {
  56     return custom_frame_view_;
  57   }
  58
  59   MinimizeAndMaximizeStateControlDelegate*
  60         minimize_and_maximize_state_control_delegate() {
  61     return minimize_and_maximize_state_control_delegate_;
  62   }
  63
  64   Widget* widget() {
  65     return widget_;
  66   }
  67
  68   // ViewsTestBase:
  69   void SetUp() override;
  70   void TearDown() override;
  71
  72  protected:
  73   const std::vector<views::FrameButton>& leading_buttons() {
  74     return WindowButtonOrderProvider::GetInstance()->leading_buttons();
  75   }
  76
  77   const std::vector<views::FrameButton>& trailing_buttons() {
  78     return WindowButtonOrderProvider::GetInstance()->trailing_buttons();
  79   }
  80
  81   ImageButton* minimize_button() {
  82     return custom_frame_view_->minimize_button_;
  83   }
  84
  85   ImageButton* maximize_button() {
  86     return custom_frame_view_->maximize_button_;
  87   }
  88
  89   ImageButton* restore_button() {
  90     return custom_frame_view_->restore_button_;
  91   }
  92
  93   ImageButton* close_button() {
  94     return custom_frame_view_->close_button_;
  95   }
  96
  97   gfx::Rect title_bounds() {
  98     return custom_frame_view_->title_bounds_;
  99   }
 100
 101   void SetWindowButtonOrder(
 102       const std::vector<views::FrameButton> leading_buttons,
 103       const std::vector<views::FrameButton> trailing_buttons);
 104
 105  private:
 106   // Parent container for |custom_frame_view_|
 107   Widget* widget_;
 108
 109   // Owned by |widget_|
 110   CustomFrameView* custom_frame_view_;
 111
 112   // Delegate of |widget_| which controls minimizing and maximizing
 113   MinimizeAndMaximizeStateControlDelegate*
 114         minimize_and_maximize_state_control_delegate_;
 115
 116   DISALLOW_COPY_AND_ASSIGN(CustomFrameViewTest);
 117 };
 118
 119 void CustomFrameViewTest::SetUp() {
 120   ViewsTestBase::SetUp();
 121
 122   minimize_and_maximize_state_control_delegate_ =
 123       new MinimizeAndMaximizeStateControlDelegate;
 124   widget_ = new Widget;
 125   Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_WINDOW);
 126   params.delegate = minimize_and_maximize_state_control_delegate_;
 127   params.remove_standard_frame = true;
 128   widget_->Init(params);
 129
 130   custom_frame_view_ = new CustomFrameView;
 131   widget_->non_client_view()->SetFrameView(custom_frame_view_);
 132 }
 133
 134 void CustomFrameViewTest::TearDown() {
 135   widget_->CloseNow();
 136
 137   ViewsTestBase::TearDown();
 138 }
 139
 140 void CustomFrameViewTest::SetWindowButtonOrder(
 141     const std::vector<views::FrameButton> leading_buttons,
 142     const std::vector<views::FrameButton> trailing_buttons) {
 143   WindowButtonOrderProvider::GetInstance()->
 144       SetWindowButtonOrder(leading_buttons, trailing_buttons);
 145 }
 146
 147 // Tests that there is a default button ordering before initialization causes
 148 // a configuration file check.
 149 TEST_F(CustomFrameViewTest, DefaultButtons) {
 150   const std::vector<views::FrameButton>& trailing = trailing_buttons();
 151   EXPECT_EQ(trailing.size(), 3u);
 152   EXPECT_TRUE(leading_buttons().empty());
 153   EXPECT_EQ(trailing[0], FRAME_BUTTON_MINIMIZE);
 154   EXPECT_EQ(trailing[1], FRAME_BUTTON_MAXIMIZE);
 155   EXPECT_EQ(trailing[2], FRAME_BUTTON_CLOSE);
 156 }
 157
 158 // Tests that layout places the buttons in order, that the restore button is
 159 // hidden and the buttons are placed after the title.
 160 TEST_F(CustomFrameViewTest, DefaultButtonLayout) {
 161   Widget* parent = widget();
 162   CustomFrameView* view = custom_frame_view();
 163   view->Init(parent);
 164   parent->SetBounds(gfx::Rect(0, 0, 300, 100));
 165   parent->Show();
 166
 167   EXPECT_LT(minimize_button()->x(), maximize_button()->x());
 168   EXPECT_LT(maximize_button()->x(), close_button()->x());
 169   EXPECT_FALSE(restore_button()->visible());
 170
 171   EXPECT_GT(minimize_button()->x(),
 172             title_bounds().x() + title_bounds().width());
 173 }
 174
 175 // Tests that setting the buttons to leading places them before the title.
 176 TEST_F(CustomFrameViewTest, LeadingButtonLayout) {
 177   Widget* parent = widget();
 178   CustomFrameView* view = custom_frame_view();
 179
 180   std::vector<views::FrameButton> leading;
 181   leading.push_back(views::FRAME_BUTTON_CLOSE);
 182   leading.push_back(views::FRAME_BUTTON_MINIMIZE);
 183   leading.push_back(views::FRAME_BUTTON_MAXIMIZE);
 184
 185   std::vector<views::FrameButton> trailing;
 186
 187   SetWindowButtonOrder(leading, trailing);
 188
 189   view->Init(parent);
 190   parent->SetBounds(gfx::Rect(0, 0, 300, 100));
 191   parent->Show();
 192   EXPECT_LT(close_button()->x(), minimize_button()->x());
 193   EXPECT_LT(minimize_button()->x(), maximize_button()->x());
 194   EXPECT_FALSE(restore_button()->visible());
 195   EXPECT_LT(maximize_button()->x() + maximize_button()->width(),
 196             title_bounds().x());
 197 }
 198
 199 // Tests that layouts occuring while maximized swap the maximize button for the
 200 // restore button
 201 TEST_F(CustomFrameViewTest, MaximizeRevealsRestoreButton) {
 202   Widget* parent = widget();
 203   CustomFrameView* view = custom_frame_view();
 204   view->Init(parent);
 205   parent->SetBounds(gfx::Rect(0, 0, 300, 100));
 206   parent->Show();
 207
 208   ASSERT_FALSE(restore_button()->visible());
 209   ASSERT_TRUE(maximize_button()->visible());
 210
 211   parent->Maximize();
 212   view->Layout();
 213
 214   EXPECT_TRUE(restore_button()->visible());
 215   EXPECT_FALSE(maximize_button()->visible());
 216 }
 217
 218 // Tests that when the parent cannot maximize that the maximize button is not
 219 // visible
 220 TEST_F(CustomFrameViewTest, CannotMaximizeHidesButton) {
 221   Widget* parent = widget();
 222   CustomFrameView* view = custom_frame_view();
 223   MinimizeAndMaximizeStateControlDelegate* delegate =
 224         minimize_and_maximize_state_control_delegate();
 225   delegate->set_can_maximize(false);
 226
 227   view->Init(parent);
 228   parent->SetBounds(gfx::Rect(0, 0, 300, 100));
 229   parent->Show();
 230
 231   EXPECT_FALSE(restore_button()->visible());
 232   EXPECT_FALSE(maximize_button()->visible());
 233 }
 234
 235 // Tests that when the parent cannot minimize that the minimize button is not
 236 // visible
 237 TEST_F(CustomFrameViewTest, CannotMinimizeHidesButton) {
 238   Widget* parent = widget();
 239   CustomFrameView* view = custom_frame_view();
 240   MinimizeAndMaximizeStateControlDelegate* delegate =
 241       minimize_and_maximize_state_control_delegate();
 242   delegate->set_can_minimize(false);
 243
 244   view->Init(parent);
 245   parent->SetBounds(gfx::Rect(0, 0, 300, 100));
 246   parent->Show();
 247
 248   EXPECT_FALSE(minimize_button()->visible());
 249 }
 250
 251 // Tests that when maximized that the edge button has an increased width.
 252 TEST_F(CustomFrameViewTest, LargerEdgeButtonsWhenMaximized) {
 253   Widget* parent = widget();
 254   CustomFrameView* view = custom_frame_view();
 255
 256   // Custom ordering to have a button on each edge.
 257   std::vector<views::FrameButton> leading;
 258   leading.push_back(views::FRAME_BUTTON_CLOSE);
 259   leading.push_back(views::FRAME_BUTTON_MAXIMIZE);
 260   std::vector<views::FrameButton> trailing;
 261   trailing.push_back(views::FRAME_BUTTON_MINIMIZE);
 262   SetWindowButtonOrder(leading, trailing);
 263
 264   view->Init(parent);
 265   parent->SetBounds(gfx::Rect(0, 0, 300, 100));
 266   parent->Show();
 267
 268   gfx::Rect close_button_initial_bounds = close_button()->bounds();
 269   gfx::Rect minimize_button_initial_bounds = minimize_button()->bounds();
 270
 271   parent->Maximize();
 272   view->Layout();
 273
 274   EXPECT_GT(close_button()->bounds().width(),
 275             close_button_initial_bounds.width());
 276   EXPECT_GT(minimize_button()->bounds().width(),
 277             minimize_button_initial_bounds.width());
 278 }
 279
 280 }  // namespace views