src/chrome/browser/ui/search_engines/template_url_fetcher_ui_callbacks.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/search_engines/template_url_fetcher_ui_callbacks.h"
   6
   7 #include "base/logging.h"
   8 #include "base/memory/scoped_ptr.h"
   9 #include "chrome/browser/search_engines/template_url.h"
  10 #include "chrome/browser/ui/search_engines/search_engine_tab_helper.h"
  11 #include "chrome/browser/ui/search_engines/search_engine_tab_helper_delegate.h"
  12 #include "content/public/browser/notification_source.h"
  13 #include "content/public/browser/notification_types.h"
  14 #include "content/public/browser/web_contents.h"
  15
  16 using content::WebContents;
  17
  18 TemplateURLFetcherUICallbacks::TemplateURLFetcherUICallbacks(
  19     SearchEngineTabHelper* tab_helper,
  20     WebContents* web_contents)
  21     : source_(tab_helper),
  22       web_contents_(web_contents) {
  23   registrar_.Add(this,
  24                  content::NOTIFICATION_WEB_CONTENTS_DESTROYED,
  25                  content::Source<WebContents>(web_contents_));
  26 }
  27
  28 TemplateURLFetcherUICallbacks::~TemplateURLFetcherUICallbacks() {
  29 }
  30
  31 void TemplateURLFetcherUICallbacks::ConfirmAddSearchProvider(
  32     TemplateURL* template_url,
  33     Profile* profile) {
  34   scoped_ptr<TemplateURL> owned_template_url(template_url);
  35   if (!source_ || !source_->delegate())
  36       return;
  37
  38   source_->delegate()->ConfirmAddSearchProvider(owned_template_url.release(),
  39                                                 profile);
  40 }
  41
  42 void TemplateURLFetcherUICallbacks::Observe(
  43     int type,
  44     const content::NotificationSource& source,
  45     const content::NotificationDetails& details) {
  46   DCHECK(type == content::NOTIFICATION_WEB_CONTENTS_DESTROYED);
  47   DCHECK(source == content::Source<WebContents>(web_contents_));
  48   source_ = NULL;
  49   web_contents_ = NULL;
  50 }