constrained_window_views_unittest.cc revision a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7 
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
17namespace views {
18
19class 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
39class 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.
90TEST_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.
103TEST_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.
116TEST_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.
128TEST_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
153