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// Copyright 2014 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.
#ifndef CHROME_BROWSER_DOM_DISTILLER_LAZY_DOM_DISTILLER_SERVICE_H_
#define CHROME_BROWSER_DOM_DISTILLER_LAZY_DOM_DISTILLER_SERVICE_H_
#include "components/dom_distiller/core/dom_distiller_service.h"
#include "components/dom_distiller/core/task_tracker.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
namespace content {
class NotificationSource;
class NotificationDetails;
} // namespace content
class Profile;
namespace dom_distiller {
class DomDistillerServiceFactory;
// A class which helps with lazy instantiation of the DomDistillerService, using
// the BrowserContextKeyedServiceFactory for it. This class will delete itself
// when the profile is destroyed.
class LazyDomDistillerService : public DomDistillerServiceInterface,
public content::NotificationObserver {
public:
LazyDomDistillerService(Profile* profile,
const DomDistillerServiceFactory* service_factory);
~LazyDomDistillerService() override;
public:
// DomDistillerServiceInterface implementation:
syncer::SyncableService* GetSyncableService() const override;
const std::string AddToList(
const GURL& url,
scoped_ptr<DistillerPage> distiller_page,
const ArticleAvailableCallback& article_cb) override;
bool HasEntry(const std::string& entry_id) override;
std::string GetUrlForEntry(const std::string& entry_id) override;
std::vector<ArticleEntry> GetEntries() const override;
scoped_ptr<ArticleEntry> RemoveEntry(const std::string& entry_id) override;
scoped_ptr<ViewerHandle> ViewEntry(ViewRequestDelegate* delegate,
scoped_ptr<DistillerPage> distiller_page,
const std::string& entry_id) override;
scoped_ptr<ViewerHandle> ViewUrl(ViewRequestDelegate* delegate,
scoped_ptr<DistillerPage> distiller_page,
const GURL& url) override;
scoped_ptr<DistillerPage> CreateDefaultDistillerPage(
const gfx::Size& render_view_size) override;
scoped_ptr<DistillerPage> CreateDefaultDistillerPageWithHandle(
scoped_ptr<SourcePageHandle> handle) override;
void AddObserver(DomDistillerObserver* observer) override;
void RemoveObserver(DomDistillerObserver* observer) override;
DistilledPagePrefs* GetDistilledPagePrefs() override;
private:
// Accessor method for the backing service instance.
DomDistillerServiceInterface* instance() const;
// content::NotificationObserver implementation:
void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) override;
// The Profile to use when retrieving the DomDistillerService and also the
// profile to listen for destruction of.
Profile* profile_;
// A BrowserContextKeyedServiceFactory for the DomDistillerService.
const DomDistillerServiceFactory* service_factory_;
// Used to track when the profile is shut down.
content::NotificationRegistrar registrar_;
DISALLOW_COPY_AND_ASSIGN(LazyDomDistillerService);
};
} // namespace dom_distiller
#endif // CHROME_BROWSER_DOM_DISTILLER_LAZY_DOM_DISTILLER_SERVICE_H_
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