dialog_delegate.cc revision cedac228d2dd51db4b79ea1e72c7f249408ee061 
1// Copyright (c) 2012 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 "ui/views/window/dialog_delegate.h"
6
7#include "base/logging.h"
8#include "grit/ui_strings.h"
9#include "ui/base/l10n/l10n_util.h"
10#include "ui/views/bubble/bubble_border.h"
11#include "ui/views/bubble/bubble_frame_view.h"
12#include "ui/views/controls/button/label_button.h"
13#include "ui/views/widget/widget.h"
14#include "ui/views/widget/widget_observer.h"
15#include "ui/views/window/dialog_client_view.h"
16
17namespace views {
18
19////////////////////////////////////////////////////////////////////////////////
20// DialogDelegate:
21
22DialogDelegate::~DialogDelegate() {
23}
24
25// static
26Widget* DialogDelegate::CreateDialogWidget(DialogDelegate* dialog,
27                                           gfx::NativeView context,
28                                           gfx::NativeView parent) {
29  views::Widget* widget = new views::Widget;
30  views::Widget::InitParams params;
31  params.delegate = dialog;
32  if (!dialog || dialog->UseNewStyleForThisDialog()) {
33    params.opacity = Widget::InitParams::TRANSLUCENT_WINDOW;
34    params.remove_standard_frame = true;
35  }
36  params.context = context;
37  params.parent = parent;
38  // TODO(msw): Add a matching shadow type and remove the bubble frame border?
39  params.shadow_type = views::Widget::InitParams::SHADOW_TYPE_NONE;
40  widget->Init(params);
41  return widget;
42}
43
44View* DialogDelegate::CreateExtraView() {
45  return NULL;
46}
47
48View* DialogDelegate::CreateTitlebarExtraView() {
49  return NULL;
50}
51
52View* DialogDelegate::CreateFootnoteView() {
53  return NULL;
54}
55
56bool DialogDelegate::Cancel() {
57  return true;
58}
59
60bool DialogDelegate::Accept(bool window_closing) {
61  return Accept();
62}
63
64bool DialogDelegate::Accept() {
65  return true;
66}
67
68bool DialogDelegate::Close() {
69  int buttons = GetDialogButtons();
70  if ((buttons & ui::DIALOG_BUTTON_CANCEL) ||
71      (buttons == ui::DIALOG_BUTTON_NONE)) {
72    return Cancel();
73  }
74  return Accept(true);
75}
76
77base::string16 DialogDelegate::GetDialogLabel() const {
78  return base::string16();
79}
80
81base::string16 DialogDelegate::GetDialogTitle() const {
82  return GetWindowTitle();
83}
84
85int DialogDelegate::GetDialogButtons() const {
86  return ui::DIALOG_BUTTON_OK | ui::DIALOG_BUTTON_CANCEL;
87}
88
89int DialogDelegate::GetDefaultDialogButton() const {
90  if (GetDialogButtons() & ui::DIALOG_BUTTON_OK)
91    return ui::DIALOG_BUTTON_OK;
92  if (GetDialogButtons() & ui::DIALOG_BUTTON_CANCEL)
93    return ui::DIALOG_BUTTON_CANCEL;
94  return ui::DIALOG_BUTTON_NONE;
95}
96
97bool DialogDelegate::ShouldDefaultButtonBeBlue() const {
98  return false;
99}
100
101base::string16 DialogDelegate::GetDialogButtonLabel(
102    ui::DialogButton button) const {
103  if (button == ui::DIALOG_BUTTON_OK)
104    return l10n_util::GetStringUTF16(IDS_APP_OK);
105  if (button == ui::DIALOG_BUTTON_CANCEL) {
106    if (GetDialogButtons() & ui::DIALOG_BUTTON_OK)
107      return l10n_util::GetStringUTF16(IDS_APP_CANCEL);
108    return l10n_util::GetStringUTF16(IDS_APP_CLOSE);
109  }
110  NOTREACHED();
111  return base::string16();
112}
113
114bool DialogDelegate::IsDialogButtonEnabled(ui::DialogButton button) const {
115  return true;
116}
117
118View* DialogDelegate::GetInitiallyFocusedView() {
119  // Focus the default button if any.
120  const DialogClientView* dcv = GetDialogClientView();
121  int default_button = GetDefaultDialogButton();
122  if (default_button == ui::DIALOG_BUTTON_NONE)
123    return NULL;
124
125  if ((default_button & GetDialogButtons()) == 0) {
126    // The default button is a button we don't have.
127    NOTREACHED();
128    return NULL;
129  }
130
131  if (default_button & ui::DIALOG_BUTTON_OK)
132    return dcv->ok_button();
133  if (default_button & ui::DIALOG_BUTTON_CANCEL)
134    return dcv->cancel_button();
135  return NULL;
136}
137
138DialogDelegate* DialogDelegate::AsDialogDelegate() {
139  return this;
140}
141
142ClientView* DialogDelegate::CreateClientView(Widget* widget) {
143  return new DialogClientView(widget, GetContentsView());
144}
145
146NonClientFrameView* DialogDelegate::CreateNonClientFrameView(Widget* widget) {
147  if (UseNewStyleForThisDialog())
148    return CreateDialogFrameView(widget);
149  return WidgetDelegate::CreateNonClientFrameView(widget);
150}
151
152// static
153NonClientFrameView* DialogDelegate::CreateDialogFrameView(Widget* widget) {
154  BubbleFrameView* frame = new BubbleFrameView(gfx::Insets());
155  scoped_ptr<BubbleBorder> border(new BubbleBorder(
156      BubbleBorder::FLOAT, BubbleBorder::SMALL_SHADOW, SK_ColorRED));
157  border->set_use_theme_background_color(true);
158  frame->SetBubbleBorder(border.Pass());
159  DialogDelegate* delegate = widget->widget_delegate()->AsDialogDelegate();
160  if (delegate) {
161    View* titlebar_view = delegate->CreateTitlebarExtraView();
162    if (titlebar_view)
163      frame->SetTitlebarExtraView(titlebar_view);
164  }
165  return frame;
166}
167
168bool DialogDelegate::UseNewStyleForThisDialog() const {
169  return true;
170}
171
172const DialogClientView* DialogDelegate::GetDialogClientView() const {
173  return GetWidget()->client_view()->AsDialogClientView();
174}
175
176DialogClientView* DialogDelegate::GetDialogClientView() {
177  return GetWidget()->client_view()->AsDialogClientView();
178}
179
180ui::AXRole DialogDelegate::GetAccessibleWindowRole() const {
181  return ui::AX_ROLE_DIALOG;
182}
183
184////////////////////////////////////////////////////////////////////////////////
185// DialogDelegateView:
186
187DialogDelegateView::DialogDelegateView() {
188  // A WidgetDelegate should be deleted on DeleteDelegate.
189  set_owned_by_client();
190}
191
192DialogDelegateView::~DialogDelegateView() {}
193
194void DialogDelegateView::DeleteDelegate() {
195  delete this;
196}
197
198Widget* DialogDelegateView::GetWidget() {
199  return View::GetWidget();
200}
201
202const Widget* DialogDelegateView::GetWidget() const {
203  return View::GetWidget();
204}
205
206View* DialogDelegateView::GetContentsView() {
207  return this;
208}
209
210}  // namespace views
211