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      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 "chrome/browser/ui/views/javascript_app_modal_dialog_views.h"
      6 
      7 #include "base/strings/utf_string_conversions.h"
      8 #include "chrome/browser/ui/app_modal_dialogs/javascript_app_modal_dialog.h"
      9 #include "chrome/browser/ui/views/constrained_window_views.h"
     10 #include "chrome/grit/generated_resources.h"
     11 #include "ui/base/l10n/l10n_util.h"
     12 #include "ui/events/keycodes/keyboard_codes.h"
     13 #include "ui/views/controls/message_box_view.h"
     14 #include "ui/views/controls/textfield/textfield.h"
     15 #include "ui/views/widget/widget.h"
     16 #include "ui/views/window/dialog_client_view.h"
     17 
     18 #if defined(USE_X11) && !defined(OS_CHROMEOS)
     19 #include "chrome/browser/ui/views/javascript_app_modal_event_blocker_x11.h"
     20 #endif
     21 
     22 ////////////////////////////////////////////////////////////////////////////////
     23 // JavaScriptAppModalDialogViews, public:
     24 
     25 JavaScriptAppModalDialogViews::JavaScriptAppModalDialogViews(
     26     JavaScriptAppModalDialog* parent)
     27     : parent_(parent) {
     28   int options = views::MessageBoxView::DETECT_DIRECTIONALITY;
     29   if (parent->javascript_message_type() ==
     30           content::JAVASCRIPT_MESSAGE_TYPE_PROMPT)
     31     options |= views::MessageBoxView::HAS_PROMPT_FIELD;
     32 
     33   views::MessageBoxView::InitParams params(parent->message_text());
     34   params.options = options;
     35   params.default_prompt = parent->default_prompt_text();
     36   message_box_view_ = new views::MessageBoxView(params);
     37   DCHECK(message_box_view_);
     38 
     39   message_box_view_->AddAccelerator(
     40       ui::Accelerator(ui::VKEY_C, ui::EF_CONTROL_DOWN));
     41   if (parent->display_suppress_checkbox()) {
     42     message_box_view_->SetCheckBoxLabel(
     43         l10n_util::GetStringUTF16(IDS_JAVASCRIPT_MESSAGEBOX_SUPPRESS_OPTION));
     44   }
     45 }
     46 
     47 JavaScriptAppModalDialogViews::~JavaScriptAppModalDialogViews() {
     48 }
     49 
     50 ////////////////////////////////////////////////////////////////////////////////
     51 // JavaScriptAppModalDialogViews, NativeAppModalDialog implementation:
     52 
     53 int JavaScriptAppModalDialogViews::GetAppModalDialogButtons() const {
     54   return GetDialogButtons();
     55 }
     56 
     57 void JavaScriptAppModalDialogViews::ShowAppModalDialog() {
     58 #if defined(USE_X11) && !defined(OS_CHROMEOS)
     59   // BrowserView::CanActivate() ensures that other browser windows cannot be
     60   // activated for long while the dialog is visible. Block events to other
     61   // browser windows so that the user cannot interact with other browser windows
     62   // in the short time that the other browser windows are active. This hack is
     63   // unnecessary on Windows and Chrome OS.
     64   // TODO(pkotwicz): Find a better way of doing this and remove this hack.
     65   if (!event_blocker_x11_.get()) {
     66     event_blocker_x11_.reset(
     67         new JavascriptAppModalEventBlockerX11(GetWidget()->GetNativeView()));
     68   }
     69 #endif
     70 
     71   GetWidget()->Show();
     72 }
     73 
     74 void JavaScriptAppModalDialogViews::ActivateAppModalDialog() {
     75   GetWidget()->Show();
     76   GetWidget()->Activate();
     77 }
     78 
     79 void JavaScriptAppModalDialogViews::CloseAppModalDialog() {
     80   GetWidget()->Close();
     81 }
     82 
     83 void JavaScriptAppModalDialogViews::AcceptAppModalDialog() {
     84   GetDialogClientView()->AcceptWindow();
     85 }
     86 
     87 void JavaScriptAppModalDialogViews::CancelAppModalDialog() {
     88   GetDialogClientView()->CancelWindow();
     89 }
     90 
     91 //////////////////////////////////////////////////////////////////////////////
     92 // JavaScriptAppModalDialogViews, views::DialogDelegate implementation:
     93 
     94 int JavaScriptAppModalDialogViews::GetDefaultDialogButton() const {
     95   return ui::DIALOG_BUTTON_OK;
     96 }
     97 
     98 int JavaScriptAppModalDialogViews::GetDialogButtons() const {
     99   if (parent_->javascript_message_type() ==
    100           content::JAVASCRIPT_MESSAGE_TYPE_ALERT)
    101     return ui::DIALOG_BUTTON_OK;
    102 
    103   return ui::DIALOG_BUTTON_OK | ui::DIALOG_BUTTON_CANCEL;
    104 }
    105 
    106 base::string16 JavaScriptAppModalDialogViews::GetWindowTitle() const {
    107   return parent_->title();
    108 }
    109 
    110 void JavaScriptAppModalDialogViews::WindowClosing() {
    111 #if defined(USE_X11) && !defined(OS_CHROMEOS)
    112   event_blocker_x11_.reset();
    113 #endif
    114 }
    115 
    116 void JavaScriptAppModalDialogViews::DeleteDelegate() {
    117   delete this;
    118 }
    119 
    120 bool JavaScriptAppModalDialogViews::Cancel() {
    121   parent_->OnCancel(message_box_view_->IsCheckBoxSelected());
    122   return true;
    123 }
    124 
    125 bool JavaScriptAppModalDialogViews::Accept() {
    126   parent_->OnAccept(message_box_view_->GetInputText(),
    127                     message_box_view_->IsCheckBoxSelected());
    128   return true;
    129 }
    130 
    131 void JavaScriptAppModalDialogViews::OnClosed() {
    132   parent_->OnClose();
    133 }
    134 
    135 views::Widget* JavaScriptAppModalDialogViews::GetWidget() {
    136   return message_box_view_->GetWidget();
    137 }
    138 
    139 const views::Widget* JavaScriptAppModalDialogViews::GetWidget() const {
    140   return message_box_view_->GetWidget();
    141 }
    142 
    143 base::string16 JavaScriptAppModalDialogViews::GetDialogButtonLabel(
    144     ui::DialogButton button) const {
    145   if (parent_->is_before_unload_dialog()) {
    146     if (button == ui::DIALOG_BUTTON_OK) {
    147       return l10n_util::GetStringUTF16(
    148           parent_->is_reload() ?
    149           IDS_BEFORERELOAD_MESSAGEBOX_OK_BUTTON_LABEL :
    150           IDS_BEFOREUNLOAD_MESSAGEBOX_OK_BUTTON_LABEL);
    151     } else if (button == ui::DIALOG_BUTTON_CANCEL) {
    152       return l10n_util::GetStringUTF16(
    153           parent_->is_reload() ?
    154           IDS_BEFORERELOAD_MESSAGEBOX_CANCEL_BUTTON_LABEL :
    155           IDS_BEFOREUNLOAD_MESSAGEBOX_CANCEL_BUTTON_LABEL);
    156     }
    157   }
    158   return DialogDelegate::GetDialogButtonLabel(button);
    159 }
    160 
    161 ///////////////////////////////////////////////////////////////////////////////
    162 // JavaScriptAppModalDialogViews, views::WidgetDelegate implementation:
    163 
    164 ui::ModalType JavaScriptAppModalDialogViews::GetModalType() const {
    165   return ui::MODAL_TYPE_SYSTEM;
    166 }
    167 
    168 views::View* JavaScriptAppModalDialogViews::GetContentsView() {
    169   return message_box_view_;
    170 }
    171 
    172 views::View* JavaScriptAppModalDialogViews::GetInitiallyFocusedView() {
    173   if (message_box_view_->text_box())
    174     return message_box_view_->text_box();
    175   return views::DialogDelegate::GetInitiallyFocusedView();
    176 }
    177 
    178 ////////////////////////////////////////////////////////////////////////////////
    179 // NativeAppModalDialog, public:
    180 
    181 // static
    182 NativeAppModalDialog* NativeAppModalDialog::CreateNativeJavaScriptPrompt(
    183     JavaScriptAppModalDialog* dialog,
    184     gfx::NativeWindow parent_window) {
    185   JavaScriptAppModalDialogViews* d = new JavaScriptAppModalDialogViews(dialog);
    186   CreateBrowserModalDialogViews(d, parent_window);
    187   return d;
    188 }
    189