components/constrained_window/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 "components/constrained_window/constrained_window_views.h"
   6
   7 #include "components/web_modal/test_web_contents_modal_dialog_host.h"
   8 #include "ui/gfx/geometry/point.h"
   9 #include "ui/gfx/geometry/rect.h"
  10 #include "ui/gfx/geometry/size.h"
  11 #include "ui/gfx/native_widget_types.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 using views::Widget;
  18
  19 namespace constrained_window {
  20 namespace {
  21
  22 class DialogContents : public views::DialogDelegateView {
  23  public:
  24   DialogContents() {}
  25   ~DialogContents() override {}
  26
  27   void set_preferred_size(const gfx::Size& preferred_size) {
  28     preferred_size_ = preferred_size;
  29   }
  30
  31   // Overriden from DialogDelegateView:
  32   views::View* GetContentsView() override { return this; }
  33   gfx::Size GetPreferredSize() const override { return preferred_size_; }
  34   gfx::Size GetMinimumSize() const override { return gfx::Size(); }
  35
  36  private:
  37   gfx::Size preferred_size_;
  38
  39   DISALLOW_COPY_AND_ASSIGN(DialogContents);
  40 };
  41
  42 class ConstrainedWindowViewsTest : public views::ViewsTestBase {
  43  public:
  44   ConstrainedWindowViewsTest() : contents_(nullptr), dialog_(nullptr) {}
  45   ~ConstrainedWindowViewsTest() override {}
  46
  47   void SetUp() override {
  48     views::ViewsTestBase::SetUp();
  49     contents_ = new DialogContents;
  50     dialog_ = views::DialogDelegate::CreateDialogWidget(
  51         contents_, GetContext(), nullptr);
  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   void TearDown() override {
  64     contents_ = nullptr;
  65     dialog_host_.reset();
  66     dialog_->CloseNow();
  67     ViewsTestBase::TearDown();
  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_; }
  79
  80  private:
  81   DialogContents* contents_;
  82   scoped_ptr<web_modal::TestWebContentsModalDialogHost> dialog_host_;
  83   Widget* dialog_;
  84
  85   DISALLOW_COPY_AND_ASSIGN(ConstrainedWindowViewsTest);
  86 };
  87
  88 }  // namespace
  89
  90 // Make sure a dialog that increases its preferred size grows on the next
  91 // position update.
  92 TEST_F(ConstrainedWindowViewsTest, GrowModalDialogSize) {
  93   UpdateWidgetModalDialogPosition(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   UpdateWidgetModalDialogPosition(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   UpdateWidgetModalDialogPosition(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   UpdateWidgetModalDialogPosition(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   UpdateWidgetModalDialogPosition(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   UpdateWidgetModalDialogPosition(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   views::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 constrained_window