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 "ui/base/l10n/l10n_util.h"
9 #include "ui/strings/grit/ui_strings.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
17 #if defined(OS_WIN)
18 #include "ui/base/win/shell.h"
19 #endif
20
21 namespace views {
22
23 ////////////////////////////////////////////////////////////////////////////////
24 // DialogDelegate:
25
DialogDelegate()26 DialogDelegate::DialogDelegate() : supports_new_style_(true) {
27 }
28
~DialogDelegate()29 DialogDelegate::~DialogDelegate() {
30 }
31
32 // static
CreateDialogWidget(WidgetDelegate * delegate,gfx::NativeWindow context,gfx::NativeView parent)33 Widget* DialogDelegate::CreateDialogWidget(WidgetDelegate* delegate,
34 gfx::NativeWindow context,
35 gfx::NativeView parent) {
36 return CreateDialogWidgetWithBounds(delegate, context, parent, gfx::Rect());
37 }
38
39 // static
CreateDialogWidgetWithBounds(WidgetDelegate * delegate,gfx::NativeWindow context,gfx::NativeView parent,const gfx::Rect & bounds)40 Widget* DialogDelegate::CreateDialogWidgetWithBounds(WidgetDelegate* delegate,
41 gfx::NativeWindow context,
42 gfx::NativeView parent,
43 const gfx::Rect& bounds) {
44 views::Widget* widget = new views::Widget;
45 views::Widget::InitParams params;
46 params.delegate = delegate;
47 params.bounds = bounds;
48 DialogDelegate* dialog = delegate->AsDialogDelegate();
49
50 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
51 // The new style doesn't support unparented dialogs on Linux desktop.
52 if (dialog)
53 dialog->supports_new_style_ &= parent != NULL;
54 #elif defined(OS_WIN)
55 // The new style doesn't support unparented dialogs on Windows Classic themes.
56 if (dialog && !ui::win::IsAeroGlassEnabled())
57 dialog->supports_new_style_ &= parent != NULL;
58 #endif
59
60 if (!dialog || dialog->UseNewStyleForThisDialog()) {
61 params.opacity = Widget::InitParams::TRANSLUCENT_WINDOW;
62 params.remove_standard_frame = true;
63 // The bubble frame includes its own shadow; remove any native shadowing.
64 params.shadow_type = views::Widget::InitParams::SHADOW_TYPE_NONE;
65 }
66 params.context = context;
67 params.parent = parent;
68 // Web-modal (ui::MODAL_TYPE_CHILD) dialogs with parents are marked as child
69 // widgets to prevent top-level window behavior (independent movement, etc).
70 params.child = parent && (delegate->GetModalType() == ui::MODAL_TYPE_CHILD);
71 widget->Init(params);
72 return widget;
73 }
74
CreateExtraView()75 View* DialogDelegate::CreateExtraView() {
76 return NULL;
77 }
78
CreateTitlebarExtraView()79 View* DialogDelegate::CreateTitlebarExtraView() {
80 return NULL;
81 }
82
CreateFootnoteView()83 View* DialogDelegate::CreateFootnoteView() {
84 return NULL;
85 }
86
Cancel()87 bool DialogDelegate::Cancel() {
88 return true;
89 }
90
Accept(bool window_closing)91 bool DialogDelegate::Accept(bool window_closing) {
92 return Accept();
93 }
94
Accept()95 bool DialogDelegate::Accept() {
96 return true;
97 }
98
Close()99 bool DialogDelegate::Close() {
100 int buttons = GetDialogButtons();
101 if ((buttons & ui::DIALOG_BUTTON_CANCEL) ||
102 (buttons == ui::DIALOG_BUTTON_NONE)) {
103 return Cancel();
104 }
105 return Accept(true);
106 }
107
GetDialogLabel() const108 base::string16 DialogDelegate::GetDialogLabel() const {
109 return base::string16();
110 }
111
GetDialogTitle() const112 base::string16 DialogDelegate::GetDialogTitle() const {
113 return GetWindowTitle();
114 }
115
GetDialogButtons() const116 int DialogDelegate::GetDialogButtons() const {
117 return ui::DIALOG_BUTTON_OK | ui::DIALOG_BUTTON_CANCEL;
118 }
119
GetDefaultDialogButton() const120 int DialogDelegate::GetDefaultDialogButton() const {
121 if (GetDialogButtons() & ui::DIALOG_BUTTON_OK)
122 return ui::DIALOG_BUTTON_OK;
123 if (GetDialogButtons() & ui::DIALOG_BUTTON_CANCEL)
124 return ui::DIALOG_BUTTON_CANCEL;
125 return ui::DIALOG_BUTTON_NONE;
126 }
127
ShouldDefaultButtonBeBlue() const128 bool DialogDelegate::ShouldDefaultButtonBeBlue() const {
129 return false;
130 }
131
GetDialogButtonLabel(ui::DialogButton button) const132 base::string16 DialogDelegate::GetDialogButtonLabel(
133 ui::DialogButton button) const {
134 if (button == ui::DIALOG_BUTTON_OK)
135 return l10n_util::GetStringUTF16(IDS_APP_OK);
136 if (button == ui::DIALOG_BUTTON_CANCEL) {
137 if (GetDialogButtons() & ui::DIALOG_BUTTON_OK)
138 return l10n_util::GetStringUTF16(IDS_APP_CANCEL);
139 return l10n_util::GetStringUTF16(IDS_APP_CLOSE);
140 }
141 NOTREACHED();
142 return base::string16();
143 }
144
IsDialogButtonEnabled(ui::DialogButton button) const145 bool DialogDelegate::IsDialogButtonEnabled(ui::DialogButton button) const {
146 return true;
147 }
148
GetInitiallyFocusedView()149 View* DialogDelegate::GetInitiallyFocusedView() {
150 // Focus the default button if any.
151 const DialogClientView* dcv = GetDialogClientView();
152 int default_button = GetDefaultDialogButton();
153 if (default_button == ui::DIALOG_BUTTON_NONE)
154 return NULL;
155
156 if ((default_button & GetDialogButtons()) == 0) {
157 // The default button is a button we don't have.
158 NOTREACHED();
159 return NULL;
160 }
161
162 if (default_button & ui::DIALOG_BUTTON_OK)
163 return dcv->ok_button();
164 if (default_button & ui::DIALOG_BUTTON_CANCEL)
165 return dcv->cancel_button();
166 return NULL;
167 }
168
AsDialogDelegate()169 DialogDelegate* DialogDelegate::AsDialogDelegate() {
170 return this;
171 }
172
CreateClientView(Widget * widget)173 ClientView* DialogDelegate::CreateClientView(Widget* widget) {
174 return new DialogClientView(widget, GetContentsView());
175 }
176
CreateNonClientFrameView(Widget * widget)177 NonClientFrameView* DialogDelegate::CreateNonClientFrameView(Widget* widget) {
178 if (UseNewStyleForThisDialog())
179 return CreateDialogFrameView(widget);
180 return WidgetDelegate::CreateNonClientFrameView(widget);
181 }
182
183 // static
CreateDialogFrameView(Widget * widget)184 NonClientFrameView* DialogDelegate::CreateDialogFrameView(Widget* widget) {
185 BubbleFrameView* frame = new BubbleFrameView(gfx::Insets());
186 scoped_ptr<BubbleBorder> border(new BubbleBorder(
187 BubbleBorder::FLOAT, BubbleBorder::SMALL_SHADOW, SK_ColorRED));
188 border->set_use_theme_background_color(true);
189 frame->SetBubbleBorder(border.Pass());
190 DialogDelegate* delegate = widget->widget_delegate()->AsDialogDelegate();
191 if (delegate) {
192 View* titlebar_view = delegate->CreateTitlebarExtraView();
193 if (titlebar_view)
194 frame->SetTitlebarExtraView(titlebar_view);
195 }
196 return frame;
197 }
198
UseNewStyleForThisDialog() const199 bool DialogDelegate::UseNewStyleForThisDialog() const {
200 return supports_new_style_;
201 }
202
GetDialogClientView() const203 const DialogClientView* DialogDelegate::GetDialogClientView() const {
204 return GetWidget()->client_view()->AsDialogClientView();
205 }
206
GetDialogClientView()207 DialogClientView* DialogDelegate::GetDialogClientView() {
208 return GetWidget()->client_view()->AsDialogClientView();
209 }
210
GetAccessibleWindowRole() const211 ui::AXRole DialogDelegate::GetAccessibleWindowRole() const {
212 return ui::AX_ROLE_DIALOG;
213 }
214
215 ////////////////////////////////////////////////////////////////////////////////
216 // DialogDelegateView:
217
DialogDelegateView()218 DialogDelegateView::DialogDelegateView() {
219 // A WidgetDelegate should be deleted on DeleteDelegate.
220 set_owned_by_client();
221 }
222
~DialogDelegateView()223 DialogDelegateView::~DialogDelegateView() {}
224
DeleteDelegate()225 void DialogDelegateView::DeleteDelegate() {
226 delete this;
227 }
228
GetWidget()229 Widget* DialogDelegateView::GetWidget() {
230 return View::GetWidget();
231 }
232
GetWidget() const233 const Widget* DialogDelegateView::GetWidget() const {
234 return View::GetWidget();
235 }
236
GetContentsView()237 View* DialogDelegateView::GetContentsView() {
238 return this;
239 }
240
241 } // namespace views
242