root/chrome/browser/ui/tab_modal_confirm_dialog_delegate.cc

DEFINITIONS

1. closing_
2. Cancel
3. Accept
4. Observe
5. Close
6. LinkClicked
7. GetIcon
8. GetAcceptButtonTitle
9. GetCancelButtonTitle
10. GetLinkText
11. GetAcceptButtonIcon
12. GetCancelButtonIcon
13. OnAccepted
14. OnCanceled
15. OnLinkClicked
16. OnClosed
17. CloseDialog

// 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/tab_modal_confirm_dialog_delegate.h"

#include "chrome/browser/chrome_notification_types.h"
#include "content/public/browser/navigation_controller.h"
#include "content/public/browser/notification_source.h"
#include "content/public/browser/web_contents.h"
#include "grit/generated_resources.h"
#include "ui/base/l10n/l10n_util.h"

using content::NavigationController;
using content::WebContents;

TabModalConfirmDialogDelegate::TabModalConfirmDialogDelegate(
    WebContents* web_contents)
    : close_delegate_(NULL),
      closing_(false) {
  NavigationController* controller = &web_contents->GetController();
  registrar_.Add(this, content::NOTIFICATION_LOAD_START,
                 content::Source<NavigationController>(controller));
}

TabModalConfirmDialogDelegate::~TabModalConfirmDialogDelegate() {
  // If we end up here, the window has been closed, so make sure we don't close
  // it again.
  close_delegate_ = NULL;
  // Make sure everything is cleaned up.
  Cancel();
}

void TabModalConfirmDialogDelegate::Cancel() {
  if (closing_)
    return;
  // Make sure we won't do anything when another action occurs.
  closing_ = true;
  OnCanceled();
  CloseDialog();
}

void TabModalConfirmDialogDelegate::Accept() {
  if (closing_)
    return;
  // Make sure we won't do anything when another action occurs.
  closing_ = true;
  OnAccepted();
  CloseDialog();
}

void TabModalConfirmDialogDelegate::Observe(
    int type,
    const content::NotificationSource& source,
    const content::NotificationDetails& details) {
  // Close the dialog if we load a page (because the action might not apply to
  // the same page anymore).
  DCHECK_EQ(content::NOTIFICATION_LOAD_START, type);

  Close();
}

void TabModalConfirmDialogDelegate::Close() {
  if (closing_)
    return;
  // Make sure we won't do anything when another action occurs.
  closing_ = true;
  OnClosed();
  CloseDialog();
}

void TabModalConfirmDialogDelegate::LinkClicked(
    WindowOpenDisposition disposition) {
  if (closing_)
    return;
  OnLinkClicked(disposition);
}

gfx::Image* TabModalConfirmDialogDelegate::GetIcon() {
  return NULL;
}

base::string16 TabModalConfirmDialogDelegate::GetAcceptButtonTitle() {
  return l10n_util::GetStringUTF16(IDS_OK);
}

base::string16 TabModalConfirmDialogDelegate::GetCancelButtonTitle() {
  return l10n_util::GetStringUTF16(IDS_CANCEL);
}

base::string16 TabModalConfirmDialogDelegate::GetLinkText() const {
  return base::string16();
}

const char* TabModalConfirmDialogDelegate::GetAcceptButtonIcon() {
  return NULL;
}

const char* TabModalConfirmDialogDelegate::GetCancelButtonIcon() {
  return NULL;
}

void TabModalConfirmDialogDelegate::OnAccepted() {
}

void TabModalConfirmDialogDelegate::OnCanceled() {
}

void TabModalConfirmDialogDelegate::OnLinkClicked(
    WindowOpenDisposition disposition) {
}

void TabModalConfirmDialogDelegate::OnClosed() {
}

void TabModalConfirmDialogDelegate::CloseDialog() {
  if (close_delegate_)
    close_delegate_->CloseDialog();
}