src/chrome/browser/dom_distiller/lazy_dom_distiller_service.cc

   1 // Copyright 2014 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/dom_distiller/lazy_dom_distiller_service.h"
   6
   7 #include "chrome/browser/chrome_notification_types.h"
   8 #include "chrome/browser/dom_distiller/dom_distiller_service_factory.h"
   9 #include "chrome/browser/profiles/profile.h"
  10 #include "components/dom_distiller/core/dom_distiller_service.h"
  11 #include "content/public/browser/notification_source.h"
  12
  13 namespace dom_distiller {
  14
  15 LazyDomDistillerService::LazyDomDistillerService(
  16     Profile* profile,
  17     const DomDistillerServiceFactory* service_factory)
  18     : profile_(profile), service_factory_(service_factory) {
  19   registrar_.Add(this,
  20                  chrome::NOTIFICATION_PROFILE_DESTROYED,
  21                  content::Source<Profile>(profile));
  22 }
  23
  24 LazyDomDistillerService::~LazyDomDistillerService() {}
  25
  26 // This will create an object and schedule work the first time it's called
  27 // and just return an existing object after that.
  28 DomDistillerServiceInterface* LazyDomDistillerService::instance() const {
  29   return service_factory_->GetForBrowserContext(profile_);
  30 }
  31
  32 void LazyDomDistillerService::Observe(
  33     int type,
  34     const content::NotificationSource& source,
  35     const content::NotificationDetails& details) {
  36   DCHECK_EQ(chrome::NOTIFICATION_PROFILE_DESTROYED, type);
  37   DCHECK_EQ(profile_, content::Source<Profile>(source).ptr());
  38   delete this;
  39 }
  40
  41 syncer::SyncableService* LazyDomDistillerService::GetSyncableService() const {
  42   return instance()->GetSyncableService();
  43 }
  44
  45 const std::string LazyDomDistillerService::AddToList(
  46     const GURL& url,
  47     const ArticleAvailableCallback& article_cb) {
  48   return instance()->AddToList(url, article_cb);
  49 }
  50
  51 std::vector<ArticleEntry> LazyDomDistillerService::GetEntries() const {
  52   return instance()->GetEntries();
  53 }
  54
  55 scoped_ptr<ArticleEntry> LazyDomDistillerService::RemoveEntry(
  56     const std::string& entry_id) {
  57   return instance()->RemoveEntry(entry_id);
  58 }
  59
  60 scoped_ptr<ViewerHandle> LazyDomDistillerService::ViewEntry(
  61     ViewRequestDelegate* delegate,
  62     const std::string& entry_id) {
  63   return instance()->ViewEntry(delegate, entry_id);
  64 }
  65
  66 scoped_ptr<ViewerHandle> LazyDomDistillerService::ViewUrl(
  67     ViewRequestDelegate* delegate,
  68     const GURL& url) {
  69   return instance()->ViewUrl(delegate, url);
  70 }
  71
  72 void LazyDomDistillerService::AddObserver(DomDistillerObserver* observer) {
  73   instance()->AddObserver(observer);
  74 }
  75
  76 void LazyDomDistillerService::RemoveObserver(DomDistillerObserver* observer) {
  77   instance()->RemoveObserver(observer);
  78 }
  79
  80 }  // namespace dom_distiller