Retrieve article original URL from entryID

components/dom_distiller/core/dom_distiller_service.cc

 // 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.
 
 #include "components/dom_distiller/core/dom_distiller_service.h"
 
 #include "base/guid.h"
 #include "base/message_loop/message_loop.h"
 #include "components/dom_distiller/core/distilled_content_store.h"
 #include "components/dom_distiller/core/dom_distiller_store.h"
@@ skipping 90 matching lines @@
     task_tracker->AddSaveCallback(base::Bind(
         &DomDistillerService::AddDistilledPageToList, base::Unretained(this)));
     task_tracker->StartDistiller(distiller_factory_.get(),
                                  distiller_page.Pass());
     task_tracker->StartBlobFetcher();
   }
 
   return task_tracker->GetEntryId();
 }
 
+bool DomDistillerService::HasEntry(const std::string& entry_id) {
+  return store_->GetEntryById(entry_id, NULL);
+}
+
+std::string DomDistillerService::GetUrlForEntry(const std::string& entry_id) {
+  ArticleEntry entry;
+  if (store_->GetEntryById(entry_id, &entry)) {
+    return entry.pages().Get(0).url();
+  }
+  return "";
+}
+
 std::vector<ArticleEntry> DomDistillerService::GetEntries() const {
   return store_->GetEntries();
 }
 
 scoped_ptr<ArticleEntry> DomDistillerService::RemoveEntry(
     const std::string& entry_id) {
   scoped_ptr<ArticleEntry> entry(new ArticleEntry);
   entry->set_entry_id(entry_id);
   TaskTracker* task_tracker = GetTaskTrackerForEntry(*entry);
   if (task_tracker != NULL) {
@@ skipping 119 matching lines @@
 void DomDistillerService::RemoveObserver(DomDistillerObserver* observer) {
   DCHECK(observer);
   store_->RemoveObserver(observer);
 }
 
 DistilledPagePrefs* DomDistillerService::GetDistilledPagePrefs() {
   return distilled_page_prefs_.get();
 }
 
 }  // namespace dom_distiller