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