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   registrar_.Add(this, chrome::NOTIFICATION_TAB_CLOSING,
  25                  content::Source<NavigationController>(controller));
  26 }
  27
  28 TabModalConfirmDialogDelegate::~TabModalConfirmDialogDelegate() {
  29   // If we end up here, the window has been closed, so make sure we don't close
  30   // it again.
  31   close_delegate_ = NULL;
  32   // Make sure everything is cleaned up.
  33   Cancel();
  34 }
  35
  36 void TabModalConfirmDialogDelegate::Cancel() {
  37   if (closing_)
  38     return;
  39   // Make sure we won't do anything when another action occurs.
  40   closing_ = true;
  41   OnCanceled();
  42   CloseDialog();
  43 }
  44
  45 void TabModalConfirmDialogDelegate::Accept() {
  46   if (closing_)
  47     return;
  48   // Make sure we won't do anything when another action occurs.
  49   closing_ = true;
  50   OnAccepted();
  51   CloseDialog();
  52 }
  53
  54 void TabModalConfirmDialogDelegate::LinkClicked(
  55     WindowOpenDisposition disposition) {
  56   if (closing_)
  57     return;
  58   // Make sure we won't do anything when another action occurs.
  59   closing_ = true;
  60   OnLinkClicked(disposition);
  61   CloseDialog();
  62 }
  63
  64 void TabModalConfirmDialogDelegate::Observe(
  65     int type,
  66     const content::NotificationSource& source,
  67     const content::NotificationDetails& details) {
  68   // Close the dialog if we load a page (because the action might not apply to
  69   // the same page anymore) or if the tab is closed.
  70   if (type == content::NOTIFICATION_LOAD_START ||
  71       type == chrome::NOTIFICATION_TAB_CLOSING) {
  72     Close();
  73   } else {
  74     NOTREACHED();
  75   }
  76 }
  77
  78 void TabModalConfirmDialogDelegate::Close() {
  79   if (closing_)
  80     return;
  81   // Make sure we won't do anything when another action occurs.
  82   closing_ = true;
  83   OnClosed();
  84   CloseDialog();
  85 }
  86
  87 gfx::Image* TabModalConfirmDialogDelegate::GetIcon() {
  88   return NULL;
  89 }
  90
  91 string16 TabModalConfirmDialogDelegate::GetAcceptButtonTitle() {
  92   return l10n_util::GetStringUTF16(IDS_OK);
  93 }
  94
  95 string16 TabModalConfirmDialogDelegate::GetCancelButtonTitle() {
  96   return l10n_util::GetStringUTF16(IDS_CANCEL);
  97 }
  98
  99 string16 TabModalConfirmDialogDelegate::GetLinkText() const {
 100   return string16();
 101 }
 102
 103 const char* TabModalConfirmDialogDelegate::GetAcceptButtonIcon() {
 104   return NULL;
 105 }
 106
 107 const char* TabModalConfirmDialogDelegate::GetCancelButtonIcon() {
 108   return NULL;
 109 }
 110
 111 void TabModalConfirmDialogDelegate::OnAccepted() {
 112 }
 113
 114 void TabModalConfirmDialogDelegate::OnCanceled() {
 115 }
 116
 117 void TabModalConfirmDialogDelegate::OnLinkClicked(
 118     WindowOpenDisposition disposition) {
 119 }
 120
 121 void TabModalConfirmDialogDelegate::OnClosed() {
 122 }
 123
 124 void TabModalConfirmDialogDelegate::CloseDialog() {
 125   if (close_delegate_)
 126     close_delegate_->CloseDialog();
 127 }