chrome/browser/ui/views/constrained_window_views_unittest.cc

   1 // Copyright 2013 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 "chrome/browser/ui/views/constrained_window_views.h"
   6
   7 #include "components/web_modal/test_web_contents_modal_dialog_host.h"
   8 #include "ui/gfx/native_widget_types.h"
   9 #include "ui/gfx/point.h"
  10 #include "ui/gfx/rect.h"
  11 #include "ui/gfx/size.h"
  12 #include "ui/views/border.h"
  13 #include "ui/views/test/views_test_base.h"
  14 #include "ui/views/widget/widget.h"
  15 #include "ui/views/window/dialog_delegate.h"
  16
  17 namespace views {
  18
  19 class DialogContents : public DialogDelegateView {
  20  public:
  21   DialogContents() {}
  22   virtual ~DialogContents() {}
  23
  24   void set_preferred_size(const gfx::Size& preferred_size) {
  25     preferred_size_ = preferred_size;
  26   }
  27
  28   // Overriden from DialogDelegateView:
  29   virtual View* GetContentsView() OVERRIDE { return this; }
  30   virtual gfx::Size GetPreferredSize() const OVERRIDE {
  31     return preferred_size_;
  32   }
  33   virtual gfx::Size GetMinimumSize() const OVERRIDE { return gfx::Size(); }
  34
  35  private:
  36   gfx::Size preferred_size_;
  37
  38   DISALLOW_COPY_AND_ASSIGN(DialogContents);
  39 };
  40
  41 class ConstrainedWindowViewsTest : public ViewsTestBase {
  42  public:
  43   ConstrainedWindowViewsTest() : contents_(NULL) {}
  44   virtual ~ConstrainedWindowViewsTest() {}
  45
  46   virtual void SetUp() OVERRIDE {
  47     ViewsTestBase::SetUp();
  48     contents_ = new DialogContents;
  49     Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_WINDOW);
  50     params.ownership = Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
  51     params.delegate = contents_;
  52     dialog_.reset(new Widget);
  53     dialog_->Init(params);
  54     dialog_host_.reset(new web_modal::TestWebContentsModalDialogHost(
  55         dialog_->GetNativeView()));
  56     dialog_host_->set_max_dialog_size(gfx::Size(5000, 5000));
  57
  58     // Make sure the dialog size is dominated by the preferred size of the
  59     // contents.
  60     gfx::Size preferred_size = dialog()->GetRootView()->GetPreferredSize();
  61     preferred_size.Enlarge(500, 500);
  62     contents()->set_preferred_size(preferred_size);
  63   }
  64
  65   virtual void TearDown() OVERRIDE {
  66     ViewsTestBase::TearDown();
  67     contents_ = NULL;
  68     dialog_host_.reset();
  69     dialog_.reset();
  70   }
  71
  72   gfx::Size GetDialogSize() {
  73     return dialog()->GetRootView()->GetBoundsInScreen().size();
  74   }
  75
  76   DialogContents* contents() { return contents_; }
  77   web_modal::TestWebContentsModalDialogHost* dialog_host() {
  78     return dialog_host_.get();
  79   }
  80   Widget* dialog() { return dialog_.get(); }
  81
  82  private:
  83   DialogContents* contents_;
  84   scoped_ptr<web_modal::TestWebContentsModalDialogHost> dialog_host_;
  85   scoped_ptr<Widget> dialog_;
  86
  87   DISALLOW_COPY_AND_ASSIGN(ConstrainedWindowViewsTest);
  88 };
  89
  90 // Make sure a dialog that increases its preferred size grows on the next
  91 // position update.
  92 TEST_F(ConstrainedWindowViewsTest, GrowModalDialogSize) {
  93   UpdateBrowserModalDialogPosition(dialog(), dialog_host());
  94   gfx::Size expected_size = GetDialogSize();
  95   gfx::Size preferred_size = contents()->GetPreferredSize();
  96   expected_size.Enlarge(50, 50);
  97   preferred_size.Enlarge(50, 50);
  98   contents()->set_preferred_size(preferred_size);
  99   UpdateBrowserModalDialogPosition(dialog(), dialog_host());
 100   EXPECT_EQ(expected_size.ToString(), GetDialogSize().ToString());
 101 }
 102
 103 // Make sure a dialog that reduces its preferred size shrinks on the next
 104 // position update.
 105 TEST_F(ConstrainedWindowViewsTest, ShrinkModalDialogSize) {
 106   UpdateBrowserModalDialogPosition(dialog(), dialog_host());
 107   gfx::Size expected_size = GetDialogSize();
 108   gfx::Size preferred_size = contents()->GetPreferredSize();
 109   expected_size.Enlarge(-50, -50);
 110   preferred_size.Enlarge(-50, -50);
 111   contents()->set_preferred_size(preferred_size);
 112   UpdateBrowserModalDialogPosition(dialog(), dialog_host());
 113   EXPECT_EQ(expected_size.ToString(), GetDialogSize().ToString());
 114 }
 115
 116 // Make sure browser modal dialogs are not affected by restrictions on web
 117 // content modal dialog maximum sizes.
 118 TEST_F(ConstrainedWindowViewsTest, MaximumBrowserDialogSize) {
 119   UpdateBrowserModalDialogPosition(dialog(), dialog_host());
 120   gfx::Size dialog_size = GetDialogSize();
 121   gfx::Size max_dialog_size = dialog_size;
 122   max_dialog_size.Enlarge(-50, -50);
 123   dialog_host()->set_max_dialog_size(max_dialog_size);
 124   UpdateBrowserModalDialogPosition(dialog(), dialog_host());
 125   EXPECT_EQ(dialog_size.ToString(), GetDialogSize().ToString());
 126 }
 127
 128 // Web content modal dialogs should not get a size larger than what the dialog
 129 // host gives as the maximum size.
 130 TEST_F(ConstrainedWindowViewsTest, MaximumWebContentsDialogSize) {
 131   UpdateWebContentsModalDialogPosition(dialog(), dialog_host());
 132   gfx::Size full_dialog_size = GetDialogSize();
 133   gfx::Size max_dialog_size = full_dialog_size;
 134   max_dialog_size.Enlarge(-50, -50);
 135   dialog_host()->set_max_dialog_size(max_dialog_size);
 136   UpdateWebContentsModalDialogPosition(dialog(), dialog_host());
 137   // The top border of the dialog is intentionally drawn outside the area
 138   // specified by the dialog host, so add it to the size the dialog is expected
 139   // to occupy.
 140   gfx::Size expected_size = max_dialog_size;
 141   Border* border = dialog()->non_client_view()->frame_view()->border();
 142   if (border)
 143     expected_size.Enlarge(0, border->GetInsets().top());
 144   EXPECT_EQ(expected_size.ToString(), GetDialogSize().ToString());
 145
 146   // Increasing the maximum dialog size should bring the dialog back to its
 147   // original size.
 148   max_dialog_size.Enlarge(100, 100);
 149   dialog_host()->set_max_dialog_size(max_dialog_size);
 150   UpdateWebContentsModalDialogPosition(dialog(), dialog_host());
 151   EXPECT_EQ(full_dialog_size.ToString(), GetDialogSize().ToString());
 152 }
 153
 154 }  // namespace views