src/ui/views/window/dialog_delegate.cc

   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 #include "ui/wm/core/shadow_types.h"
  17
  18 namespace views {
  19
  20 ////////////////////////////////////////////////////////////////////////////////
  21 // DialogDelegate:
  22
  23 DialogDelegate::~DialogDelegate() {
  24 }
  25
  26 // static
  27 Widget* DialogDelegate::CreateDialogWidget(DialogDelegate* dialog,
  28                                            gfx::NativeView context,
  29                                            gfx::NativeView parent) {
  30   views::Widget* widget = new views::Widget;
  31   views::Widget::InitParams params;
  32   params.delegate = dialog;
  33   if (!dialog || dialog->UseNewStyleForThisDialog()) {
  34     params.opacity = Widget::InitParams::TRANSLUCENT_WINDOW;
  35     params.remove_standard_frame = true;
  36   }
  37 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
  38   // Dialogs on Linux always have custom frames.
  39   params.remove_standard_frame = true;
  40 #endif
  41   params.context = context;
  42   params.parent = parent;
  43   params.top_level = true;
  44   widget->Init(params);
  45   return widget;
  46 }
  47
  48 View* DialogDelegate::CreateExtraView() {
  49   return NULL;
  50 }
  51
  52 View* DialogDelegate::CreateTitlebarExtraView() {
  53   return NULL;
  54 }
  55
  56 View* DialogDelegate::CreateFootnoteView() {
  57   return NULL;
  58 }
  59
  60 bool DialogDelegate::Cancel() {
  61   return true;
  62 }
  63
  64 bool DialogDelegate::Accept(bool window_closing) {
  65   return Accept();
  66 }
  67
  68 bool DialogDelegate::Accept() {
  69   return true;
  70 }
  71
  72 bool DialogDelegate::Close() {
  73   int buttons = GetDialogButtons();
  74   if ((buttons & ui::DIALOG_BUTTON_CANCEL) ||
  75       (buttons == ui::DIALOG_BUTTON_NONE)) {
  76     return Cancel();
  77   }
  78   return Accept(true);
  79 }
  80
  81 base::string16 DialogDelegate::GetDialogLabel() const {
  82   return base::string16();
  83 }
  84
  85 base::string16 DialogDelegate::GetDialogTitle() const {
  86   return GetWindowTitle();
  87 }
  88
  89 int DialogDelegate::GetDialogButtons() const {
  90   return ui::DIALOG_BUTTON_OK | ui::DIALOG_BUTTON_CANCEL;
  91 }
  92
  93 int DialogDelegate::GetDefaultDialogButton() const {
  94   if (GetDialogButtons() & ui::DIALOG_BUTTON_OK)
  95     return ui::DIALOG_BUTTON_OK;
  96   if (GetDialogButtons() & ui::DIALOG_BUTTON_CANCEL)
  97     return ui::DIALOG_BUTTON_CANCEL;
  98   return ui::DIALOG_BUTTON_NONE;
  99 }
 100
 101 bool DialogDelegate::ShouldDefaultButtonBeBlue() const {
 102   return false;
 103 }
 104
 105 base::string16 DialogDelegate::GetDialogButtonLabel(
 106     ui::DialogButton button) const {
 107   if (button == ui::DIALOG_BUTTON_OK)
 108     return l10n_util::GetStringUTF16(IDS_APP_OK);
 109   if (button == ui::DIALOG_BUTTON_CANCEL) {
 110     if (GetDialogButtons() & ui::DIALOG_BUTTON_OK)
 111       return l10n_util::GetStringUTF16(IDS_APP_CANCEL);
 112     return l10n_util::GetStringUTF16(IDS_APP_CLOSE);
 113   }
 114   NOTREACHED();
 115   return base::string16();
 116 }
 117
 118 bool DialogDelegate::IsDialogButtonEnabled(ui::DialogButton button) const {
 119   return true;
 120 }
 121
 122 View* DialogDelegate::GetInitiallyFocusedView() {
 123   // Focus the default button if any.
 124   const DialogClientView* dcv = GetDialogClientView();
 125   int default_button = GetDefaultDialogButton();
 126   if (default_button == ui::DIALOG_BUTTON_NONE)
 127     return NULL;
 128
 129   if ((default_button & GetDialogButtons()) == 0) {
 130     // The default button is a button we don't have.
 131     NOTREACHED();
 132     return NULL;
 133   }
 134
 135   if (default_button & ui::DIALOG_BUTTON_OK)
 136     return dcv->ok_button();
 137   if (default_button & ui::DIALOG_BUTTON_CANCEL)
 138     return dcv->cancel_button();
 139   return NULL;
 140 }
 141
 142 DialogDelegate* DialogDelegate::AsDialogDelegate() {
 143   return this;
 144 }
 145
 146 ClientView* DialogDelegate::CreateClientView(Widget* widget) {
 147   return new DialogClientView(widget, GetContentsView());
 148 }
 149
 150 NonClientFrameView* DialogDelegate::CreateNonClientFrameView(Widget* widget) {
 151   if (UseNewStyleForThisDialog())
 152     return CreateDialogFrameView(widget);
 153   return WidgetDelegate::CreateNonClientFrameView(widget);
 154 }
 155
 156 // static
 157 NonClientFrameView* DialogDelegate::CreateDialogFrameView(Widget* widget) {
 158   BubbleFrameView* frame = new BubbleFrameView(gfx::Insets());
 159   scoped_ptr<BubbleBorder> border(new BubbleBorder(
 160       BubbleBorder::FLOAT, BubbleBorder::SMALL_SHADOW, SK_ColorRED));
 161   border->set_use_theme_background_color(true);
 162   frame->SetBubbleBorder(border.Pass());
 163   DialogDelegate* delegate = widget->widget_delegate()->AsDialogDelegate();
 164   if (delegate) {
 165     View* titlebar_view = delegate->CreateTitlebarExtraView();
 166     if (titlebar_view)
 167       frame->SetTitlebarExtraView(titlebar_view);
 168   }
 169   // TODO(msw): Add a matching shadow type and remove the bubble frame border?
 170   wm::SetShadowType(widget->GetNativeWindow(), wm::SHADOW_TYPE_NONE);
 171   return frame;
 172 }
 173
 174 bool DialogDelegate::UseNewStyleForThisDialog() const {
 175   return true;
 176 }
 177
 178 const DialogClientView* DialogDelegate::GetDialogClientView() const {
 179   return GetWidget()->client_view()->AsDialogClientView();
 180 }
 181
 182 DialogClientView* DialogDelegate::GetDialogClientView() {
 183   return GetWidget()->client_view()->AsDialogClientView();
 184 }
 185
 186 ui::AXRole DialogDelegate::GetAccessibleWindowRole() const {
 187   return ui::AX_ROLE_DIALOG;
 188 }
 189
 190 ////////////////////////////////////////////////////////////////////////////////
 191 // DialogDelegateView:
 192
 193 DialogDelegateView::DialogDelegateView() {
 194   // A WidgetDelegate should be deleted on DeleteDelegate.
 195   set_owned_by_client();
 196 }
 197
 198 DialogDelegateView::~DialogDelegateView() {}
 199
 200 void DialogDelegateView::DeleteDelegate() {
 201   delete this;
 202 }
 203
 204 Widget* DialogDelegateView::GetWidget() {
 205   return View::GetWidget();
 206 }
 207
 208 const Widget* DialogDelegateView::GetWidget() const {
 209   return View::GetWidget();
 210 }
 211
 212 View* DialogDelegateView::GetContentsView() {
 213   return this;
 214 }
 215
 216 }  // namespace views