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() 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
41class 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.
92TEST_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.
105TEST_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.
118TEST_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.
130TEST_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
155