chrome/browser/ui/tab_modal_confirm_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 "chrome/browser/ui/tab_modal_confirm_dialog_delegate.h"
   6
   7 #include "chrome/browser/chrome_notification_types.h"
   8 #include "content/public/browser/navigation_controller.h"
   9 #include "content/public/browser/notification_source.h"
  10 #include "content/public/browser/web_contents.h"
  11 #include "grit/generated_resources.h"
  12 #include "ui/base/l10n/l10n_util.h"
  13
  14 using content::NavigationController;
  15 using content::WebContents;
  16
  17 TabModalConfirmDialogDelegate::TabModalConfirmDialogDelegate(
  18     WebContents* web_contents)
  19     : close_delegate_(NULL),
  20       closing_(false) {
  21   NavigationController* controller = &web_contents->GetController();
  22   registrar_.Add(this, content::NOTIFICATION_LOAD_START,
  23                  content::Source<NavigationController>(controller));
  24 }
  25
  26 TabModalConfirmDialogDelegate::~TabModalConfirmDialogDelegate() {
  27   // If we end up here, the window has been closed, so make sure we don't close
  28   // it again.
  29   close_delegate_ = NULL;
  30   // Make sure everything is cleaned up.
  31   Cancel();
  32 }
  33
  34 void TabModalConfirmDialogDelegate::Cancel() {
  35   if (closing_)
  36     return;
  37   // Make sure we won't do anything when another action occurs.
  38   closing_ = true;
  39   OnCanceled();
  40   CloseDialog();
  41 }
  42
  43 void TabModalConfirmDialogDelegate::Accept() {
  44   if (closing_)
  45     return;
  46   // Make sure we won't do anything when another action occurs.
  47   closing_ = true;
  48   OnAccepted();
  49   CloseDialog();
  50 }
  51
  52 void TabModalConfirmDialogDelegate::Observe(
  53     int type,
  54     const content::NotificationSource& source,
  55     const content::NotificationDetails& details) {
  56   // Close the dialog if we load a page (because the action might not apply to
  57   // the same page anymore).
  58   DCHECK_EQ(content::NOTIFICATION_LOAD_START, type);
  59
  60   Close();
  61 }
  62
  63 void TabModalConfirmDialogDelegate::Close() {
  64   if (closing_)
  65     return;
  66   // Make sure we won't do anything when another action occurs.
  67   closing_ = true;
  68   OnClosed();
  69   CloseDialog();
  70 }
  71
  72 void TabModalConfirmDialogDelegate::LinkClicked(
  73     WindowOpenDisposition disposition) {
  74   if (closing_)
  75     return;
  76   OnLinkClicked(disposition);
  77 }
  78
  79 gfx::Image* TabModalConfirmDialogDelegate::GetIcon() {
  80   return NULL;
  81 }
  82
  83 base::string16 TabModalConfirmDialogDelegate::GetAcceptButtonTitle() {
  84   return l10n_util::GetStringUTF16(IDS_OK);
  85 }
  86
  87 base::string16 TabModalConfirmDialogDelegate::GetCancelButtonTitle() {
  88   return l10n_util::GetStringUTF16(IDS_CANCEL);
  89 }
  90
  91 base::string16 TabModalConfirmDialogDelegate::GetLinkText() const {
  92   return base::string16();
  93 }
  94
  95 const char* TabModalConfirmDialogDelegate::GetAcceptButtonIcon() {
  96   return NULL;
  97 }
  98
  99 const char* TabModalConfirmDialogDelegate::GetCancelButtonIcon() {
 100   return NULL;
 101 }
 102
 103 void TabModalConfirmDialogDelegate::OnAccepted() {
 104 }
 105
 106 void TabModalConfirmDialogDelegate::OnCanceled() {
 107 }
 108
 109 void TabModalConfirmDialogDelegate::OnLinkClicked(
 110     WindowOpenDisposition disposition) {
 111 }
 112
 113 void TabModalConfirmDialogDelegate::OnClosed() {
 114 }
 115
 116 void TabModalConfirmDialogDelegate::CloseDialog() {
 117   if (close_delegate_)
 118     close_delegate_->CloseDialog();
 119 }