constrained_window_views_unittest.cc revision 8bcbed890bc3ce4d7a057a8f32cab53fa534672e 
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/test/views_test_base.h"
13#include "ui/views/widget/widget.h"
14#include "ui/views/window/dialog_delegate.h"
15
16namespace views {
17
18class DialogContents : public DialogDelegateView {
19 public:
20  DialogContents() {}
21  virtual ~DialogContents() {}
22
23  void set_preferred_size(const gfx::Size& preferred_size) {
24    preferred_size_ = preferred_size;
25  }
26
27  // Overriden from DialogDelegateView:
28  virtual View* GetContentsView() OVERRIDE { return this; }
29  virtual gfx::Size GetPreferredSize() OVERRIDE { return preferred_size_; }
30  virtual gfx::Size GetMinimumSize() OVERRIDE { return gfx::Size(); }
31
32 private:
33  gfx::Size preferred_size_;
34
35  DISALLOW_COPY_AND_ASSIGN(DialogContents);
36};
37
38class ConstrainedWindowViewsTest : public ViewsTestBase {
39 public:
40  ConstrainedWindowViewsTest() : contents_(NULL) {}
41  virtual ~ConstrainedWindowViewsTest() {}
42
43  virtual void SetUp() OVERRIDE {
44    ViewsTestBase::SetUp();
45    contents_ = new DialogContents;
46    Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_WINDOW);
47    params.ownership = Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
48    params.delegate = contents_;
49    dialog_.reset(new Widget);
50    dialog_->Init(params);
51    dialog_host_.reset(new web_modal::TestWebContentsModalDialogHost(
52        dialog_->GetNativeView()));
53    dialog_host_->set_max_dialog_size(gfx::Size(5000, 5000));
54
55    // Make sure the dialog size is dominated by the preferred size of the
56    // contents.
57    gfx::Size preferred_size = dialog()->GetRootView()->GetPreferredSize();
58    preferred_size.Enlarge(500, 500);
59    contents()->set_preferred_size(preferred_size);
60  }
61
62  virtual void TearDown() OVERRIDE {
63    ViewsTestBase::TearDown();
64    contents_ = NULL;
65    dialog_host_.reset();
66    dialog_.reset();
67  }
68
69  gfx::Size GetDialogSize() {
70    return dialog()->GetRootView()->GetBoundsInScreen().size();
71  }
72
73  DialogContents* contents() { return contents_; }
74  web_modal::TestWebContentsModalDialogHost* dialog_host() {
75    return dialog_host_.get();
76  }
77  Widget* dialog() { return dialog_.get(); }
78
79 private:
80  DialogContents* contents_;
81  scoped_ptr<web_modal::TestWebContentsModalDialogHost> dialog_host_;
82  scoped_ptr<Widget> dialog_;
83
84  DISALLOW_COPY_AND_ASSIGN(ConstrainedWindowViewsTest);
85};
86
87// Make sure a dialog that increases its preferred size grows on the next
88// position update.
89TEST_F(ConstrainedWindowViewsTest, GrowModalDialogSize) {
90  UpdateBrowserModalDialogPosition(dialog(), dialog_host());
91  gfx::Size expected_size = GetDialogSize();
92  gfx::Size preferred_size = contents()->GetPreferredSize();
93  expected_size.Enlarge(50, 50);
94  preferred_size.Enlarge(50, 50);
95  contents()->set_preferred_size(preferred_size);
96  UpdateBrowserModalDialogPosition(dialog(), dialog_host());
97  EXPECT_EQ(expected_size.ToString(), GetDialogSize().ToString());
98}
99
100// Make sure a dialog that reduces its preferred size shrinks on the next
101// position update.
102TEST_F(ConstrainedWindowViewsTest, ShrinkModalDialogSize) {
103  UpdateBrowserModalDialogPosition(dialog(), dialog_host());
104  gfx::Size expected_size = GetDialogSize();
105  gfx::Size preferred_size = contents()->GetPreferredSize();
106  expected_size.Enlarge(-50, -50);
107  preferred_size.Enlarge(-50, -50);
108  contents()->set_preferred_size(preferred_size);
109  UpdateBrowserModalDialogPosition(dialog(), dialog_host());
110  EXPECT_EQ(expected_size.ToString(), GetDialogSize().ToString());
111}
112
113// Make sure browser modal dialogs are not affected by restrictions on web
114// content modal dialog maximum sizes.
115TEST_F(ConstrainedWindowViewsTest, MaximumBrowserDialogSize) {
116  UpdateBrowserModalDialogPosition(dialog(), dialog_host());
117  gfx::Size dialog_size = GetDialogSize();
118  gfx::Size max_dialog_size = dialog_size;
119  max_dialog_size.Enlarge(-50, -50);
120  dialog_host()->set_max_dialog_size(max_dialog_size);
121  UpdateBrowserModalDialogPosition(dialog(), dialog_host());
122  EXPECT_EQ(dialog_size.ToString(), GetDialogSize().ToString());
123}
124
125// Web content modal dialogs should not get a size larger than what the dialog
126// host gives as the maximum size.
127TEST_F(ConstrainedWindowViewsTest, MaximumWebContentsDialogSize) {
128  UpdateWebContentsModalDialogPosition(dialog(), dialog_host());
129  gfx::Size full_dialog_size = GetDialogSize();
130  gfx::Size max_dialog_size = full_dialog_size;
131  max_dialog_size.Enlarge(-50, -50);
132  dialog_host()->set_max_dialog_size(max_dialog_size);
133  UpdateWebContentsModalDialogPosition(dialog(), dialog_host());
134  // The top border of the dialog is intentionally drawn outside the area
135  // specified by the dialog host, so add it to the size the dialog is expected
136  // to occupy.
137  gfx::Size expected_size = max_dialog_size;
138  Border* border = dialog()->non_client_view()->frame_view()->border();
139  if (border)
140    expected_size.Enlarge(0, border->GetInsets().top());
141  EXPECT_EQ(expected_size.ToString(), GetDialogSize().ToString());
142
143  // Increasing the maximum dialog size should bring the dialog back to its
144  // original size.
145  max_dialog_size.Enlarge(100, 100);
146  dialog_host()->set_max_dialog_size(max_dialog_size);
147  UpdateWebContentsModalDialogPosition(dialog(), dialog_host());
148  EXPECT_EQ(full_dialog_size.ToString(), GetDialogSize().ToString());
149}
150
151}  // namespace views
152