chrome/browser/ui/views/javascript_app_modal_dialog_views.cc

// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "chrome/browser/ui/views/javascript_app_modal_dialog_views.h"

#include "base/strings/utf_string_conversions.h"
#include "chrome/browser/ui/app_modal_dialogs/javascript_app_modal_dialog.h"
#include "chrome/browser/ui/views/constrained_window_views.h"
#include "chrome/grit/generated_resources.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/events/keycodes/keyboard_codes.h"
#include "ui/views/controls/message_box_view.h"
#include "ui/views/controls/textfield/textfield.h"
#include "ui/views/widget/widget.h"
#include "ui/views/window/dialog_client_view.h"

#if defined(USE_X11) && !defined(OS_CHROMEOS)
#include "chrome/browser/ui/views/javascript_app_modal_event_blocker_x11.h"
#endif

////////////////////////////////////////////////////////////////////////////////
// JavaScriptAppModalDialogViews, public:

JavaScriptAppModalDialogViews::JavaScriptAppModalDialogViews(
    JavaScriptAppModalDialog* parent)
    : parent_(parent) {
  int options = views::MessageBoxView::DETECT_DIRECTIONALITY;
  if (parent->javascript_message_type() ==
          content::JAVASCRIPT_MESSAGE_TYPE_PROMPT)
    options |= views::MessageBoxView::HAS_PROMPT_FIELD;

  views::MessageBoxView::InitParams params(parent->message_text());
  params.options = options;
  params.default_prompt = parent->default_prompt_text();
  message_box_view_ = new views::MessageBoxView(params);
  DCHECK(message_box_view_);

  message_box_view_->AddAccelerator(
      ui::Accelerator(ui::VKEY_C, ui::EF_CONTROL_DOWN));
  if (parent->display_suppress_checkbox()) {
    message_box_view_->SetCheckBoxLabel(
        l10n_util::GetStringUTF16(IDS_JAVASCRIPT_MESSAGEBOX_SUPPRESS_OPTION));
  }
}

JavaScriptAppModalDialogViews::~JavaScriptAppModalDialogViews() {
}

////////////////////////////////////////////////////////////////////////////////
// JavaScriptAppModalDialogViews, NativeAppModalDialog implementation:

int JavaScriptAppModalDialogViews::GetAppModalDialogButtons() const {
  return GetDialogButtons();
}

void JavaScriptAppModalDialogViews::ShowAppModalDialog() {
#if defined(USE_X11) && !defined(OS_CHROMEOS)
  // BrowserView::CanActivate() ensures that other browser windows cannot be
  // activated for long while the dialog is visible. Block events to other
  // browser windows so that the user cannot interact with other browser windows
  // in the short time that the other browser windows are active. This hack is
  // unnecessary on Windows and Chrome OS.
  // TODO(pkotwicz): Find a better way of doing this and remove this hack.
  if (!event_blocker_x11_.get()) {
    event_blocker_x11_.reset(
        new JavascriptAppModalEventBlockerX11(GetWidget()->GetNativeView()));
  }
#endif

  GetWidget()->Show();
}

void JavaScriptAppModalDialogViews::ActivateAppModalDialog() {
  GetWidget()->Show();
  GetWidget()->Activate();
}

void JavaScriptAppModalDialogViews::CloseAppModalDialog() {
  GetWidget()->Close();
}

void JavaScriptAppModalDialogViews::AcceptAppModalDialog() {
  GetDialogClientView()->AcceptWindow();
}

void JavaScriptAppModalDialogViews::CancelAppModalDialog() {
  GetDialogClientView()->CancelWindow();
}

//////////////////////////////////////////////////////////////////////////////
// JavaScriptAppModalDialogViews, views::DialogDelegate implementation:

int JavaScriptAppModalDialogViews::GetDefaultDialogButton() const {
  return ui::DIALOG_BUTTON_OK;
}

int JavaScriptAppModalDialogViews::GetDialogButtons() const {
  if (parent_->javascript_message_type() ==
          content::JAVASCRIPT_MESSAGE_TYPE_ALERT)
    return ui::DIALOG_BUTTON_OK;

  return ui::DIALOG_BUTTON_OK | ui::DIALOG_BUTTON_CANCEL;
}

base::string16 JavaScriptAppModalDialogViews::GetWindowTitle() const {
  return parent_->title();
}

void JavaScriptAppModalDialogViews::WindowClosing() {
#if defined(USE_X11) && !defined(OS_CHROMEOS)
  event_blocker_x11_.reset();
#endif
}

void JavaScriptAppModalDialogViews::DeleteDelegate() {
  delete this;
}

bool JavaScriptAppModalDialogViews::Cancel() {
  parent_->OnCancel(message_box_view_->IsCheckBoxSelected());
  return true;
}

bool JavaScriptAppModalDialogViews::Accept() {
  parent_->OnAccept(message_box_view_->GetInputText(),
                    message_box_view_->IsCheckBoxSelected());
  return true;
}

void JavaScriptAppModalDialogViews::OnClosed() {
  parent_->OnClose();
}

views::Widget* JavaScriptAppModalDialogViews::GetWidget() {
  return message_box_view_->GetWidget();
}

const views::Widget* JavaScriptAppModalDialogViews::GetWidget() const {
  return message_box_view_->GetWidget();
}

base::string16 JavaScriptAppModalDialogViews::GetDialogButtonLabel(
    ui::DialogButton button) const {
  if (parent_->is_before_unload_dialog()) {
    if (button == ui::DIALOG_BUTTON_OK) {
      return l10n_util::GetStringUTF16(
          parent_->is_reload() ?
          IDS_BEFORERELOAD_MESSAGEBOX_OK_BUTTON_LABEL :
          IDS_BEFOREUNLOAD_MESSAGEBOX_OK_BUTTON_LABEL);
    } else if (button == ui::DIALOG_BUTTON_CANCEL) {
      return l10n_util::GetStringUTF16(
          parent_->is_reload() ?
          IDS_BEFORERELOAD_MESSAGEBOX_CANCEL_BUTTON_LABEL :
          IDS_BEFOREUNLOAD_MESSAGEBOX_CANCEL_BUTTON_LABEL);
    }
  }
  return DialogDelegate::GetDialogButtonLabel(button);
}

///////////////////////////////////////////////////////////////////////////////
// JavaScriptAppModalDialogViews, views::WidgetDelegate implementation:

ui::ModalType JavaScriptAppModalDialogViews::GetModalType() const {
  return ui::MODAL_TYPE_SYSTEM;
}

views::View* JavaScriptAppModalDialogViews::GetContentsView() {
  return message_box_view_;
}

views::View* JavaScriptAppModalDialogViews::GetInitiallyFocusedView() {
  if (message_box_view_->text_box())
    return message_box_view_->text_box();
  return views::DialogDelegate::GetInitiallyFocusedView();
}

////////////////////////////////////////////////////////////////////////////////
// NativeAppModalDialog, public:

// static
NativeAppModalDialog* NativeAppModalDialog::CreateNativeJavaScriptPrompt(
    JavaScriptAppModalDialog* dialog,
    gfx::NativeWindow parent_window) {
  JavaScriptAppModalDialogViews* d = new JavaScriptAppModalDialogViews(dialog);
  CreateBrowserModalDialogViews(d, parent_window);
  return d;
}