Choose the best offline page when given an online URL.

chrome/browser/android/offline_pages/offline_page_utils.cc

 // Copyright 2015 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 "chrome/browser/android/offline_pages/offline_page_utils.h"
 
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/string_util.h"
 #include "chrome/browser/android/offline_pages/offline_page_mhtml_archiver.h"
 #include "chrome/browser/android/offline_pages/offline_page_model_factory.h"
 #include "components/offline_pages/offline_page_feature.h"
 #include "components/offline_pages/offline_page_item.h"
 #include "components/offline_pages/offline_page_model.h"
 #include "content/public/browser/browser_context.h"
 #include "url/gurl.h"
 
 namespace offline_pages {
 namespace {
 
 // Returns an offline page originated from the |online_url|.
-const OfflinePageItem* GetOfflinePageForOnlineURL(
+const OfflinePageItem* MaybeGetBestOfflinePageForOnlineURL(
     content::BrowserContext* browser_context,
     const GURL& online_url) {
   DCHECK(browser_context);
 
   if (!IsOfflinePagesEnabled())
     return nullptr;
 
   OfflinePageModel* offline_page_model =
       OfflinePageModelFactory::GetForBrowserContext(browser_context);
   if (!offline_page_model)
     return nullptr;
 
-  return offline_page_model->MaybeGetPageByOnlineURL(online_url);
+  return offline_page_model->MaybeGetBestPageForOnlineURL(online_url);
 }
 
 // Returns an offline page that is stored as the |offline_url|.
 const OfflinePageItem* GetOfflinePageForOfflineURL(
     content::BrowserContext* browser_context,
     const GURL& offline_url) {
   DCHECK(browser_context);
 
   if (!IsOfflinePagesEnabled())
     return nullptr;
@@ skipping 21 matching lines @@
          base::EndsWith(url.spec(),
                         OfflinePageMHTMLArchiver::GetFileNameExtension(),
                         base::CompareCase::INSENSITIVE_ASCII);
 }
 
 // static
 GURL OfflinePageUtils::GetOfflineURLForOnlineURL(
     content::BrowserContext* browser_context,
     const GURL& online_url) {
   const OfflinePageItem* offline_page =
-      GetOfflinePageForOnlineURL(browser_context, online_url);
+      MaybeGetBestOfflinePageForOnlineURL(browser_context, online_url);
   if (!offline_page)
     return GURL();
 
   return offline_page->GetOfflineURL();
 }
 
 // static
 GURL OfflinePageUtils::GetOnlineURLForOfflineURL(
     content::BrowserContext* browser_context,
     const GURL& offline_url) {
@@ skipping 29 matching lines @@
 bool OfflinePageUtils::IsOfflinePage(content::BrowserContext* browser_context,
                                      const GURL& offline_url) {
   return GetOfflinePageForOfflineURL(browser_context, offline_url) != nullptr;
 }
 
 // static
 bool OfflinePageUtils::HasOfflinePageForOnlineURL(
     content::BrowserContext* browser_context,
     const GURL& online_url) {
   const OfflinePageItem* offline_page =
-      GetOfflinePageForOnlineURL(browser_context, online_url);
+      MaybeGetBestOfflinePageForOnlineURL(browser_context, online_url);
   return offline_page && !offline_page->file_path.empty();
 }
 
 // static
 void OfflinePageUtils::MarkPageAccessed(
     content::BrowserContext* browser_context, const GURL& offline_url) {
   DCHECK(browser_context);
 
   const OfflinePageItem* offline_page =
       GetOfflinePageForOfflineURL(browser_context, offline_url);
   if (!offline_page)
     return;
 
   OfflinePageModel* offline_page_model =
       OfflinePageModelFactory::GetForBrowserContext(browser_context);
   DCHECK(offline_page_model);
   offline_page_model->MarkPageAccessed(offline_page->offline_id);
 }
 
 }  // namespace offline_pages