Retrieve article original URL from entryID

components/dom_distiller/core/dom_distiller_service.h

 // Copyright 2013 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 COMPONENTS_DOM_DISTILLER_CORE_DOM_DISTILLER_SERVICE_H_
 #define COMPONENTS_DOM_DISTILLER_CORE_DOM_DISTILLER_SERVICE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 37 matching lines @@
   // distiller list. |article_cb| is always invoked, and the bool argument to it
   // represents whether the article is available offline.
   // Use CreateDefaultDistillerPage() to create a default |distiller_page|.
   // The provided |distiller_page| is only used if there is not already a
   // distillation task in progress for the given |url|.
   virtual const std::string AddToList(
       const GURL& url,
       scoped_ptr<DistillerPage> distiller_page,
       const ArticleAvailableCallback& article_cb) = 0;
 
+  // Returns whether an article stored has the given entry id.
+  virtual bool HasEntry(const std::string& entry_id) = 0;
+
+  // Returns the source URL given an entry ID. If the entry ID article has
+  // multiple pages, this will return the URL of the first page. Returns an
+  // empty string if there is no entry associated with the given entry ID.
+  virtual std::string GetUrlForEntry(const std::string& entry_id) = 0;
+
   // Gets the full list of entries.
   virtual std::vector<ArticleEntry> GetEntries() const = 0;
 
   // Removes the specified entry from the dom distiller store.
   virtual scoped_ptr<ArticleEntry> RemoveEntry(const std::string& entry_id) = 0;
 
   // Request to view an article by entry id. Returns a null pointer if no entry
   // with |entry_id| exists. The ViewerHandle should be destroyed before the
   // ViewRequestDelegate. The request will be cancelled when the handle is
   // destroyed (or when this service is destroyed), which also ensures that
@@ skipping 43 matching lines @@
                       scoped_ptr<DistillerPageFactory> distiller_page_factory,
                       scoped_ptr<DistilledPagePrefs> distilled_page_prefs);
   virtual ~DomDistillerService();
 
   // DomDistillerServiceInterface implementation.
   virtual syncer::SyncableService* GetSyncableService() const OVERRIDE;
   virtual const std::string AddToList(
       const GURL& url,
       scoped_ptr<DistillerPage> distiller_page,
       const ArticleAvailableCallback& article_cb) OVERRIDE;
+  virtual bool HasEntry(const std::string& entry_id) OVERRIDE;
+  virtual std::string GetUrlForEntry(const std::string& entry_id) OVERRIDE;
   virtual std::vector<ArticleEntry> GetEntries() const OVERRIDE;
   virtual scoped_ptr<ArticleEntry> RemoveEntry(
       const std::string& entry_id) OVERRIDE;
   virtual scoped_ptr<ViewerHandle> ViewEntry(
       ViewRequestDelegate* delegate,
       scoped_ptr<DistillerPage> distiller_page,
       const std::string& entry_id) OVERRIDE;
   virtual scoped_ptr<ViewerHandle> ViewUrl(
       ViewRequestDelegate* delegate,
       scoped_ptr<DistillerPage> distiller_page,
@@ skipping 30 matching lines @@
 
   typedef ScopedVector<TaskTracker> TaskList;
   TaskList tasks_;
 
   DISALLOW_COPY_AND_ASSIGN(DomDistillerService);
 };
 
 }  // namespace dom_distiller
 
 #endif  // COMPONENTS_DOM_DISTILLER_CORE_DOM_DISTILLER_SERVICE_H_