DownloadUrlParameters

content/public/browser/download_manager.h

 // Copyright (c) 2012 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.
 //
 // The DownloadManager object manages the process of downloading, including
 // updates to the history system and providing the information for displaying
 // the downloads view in the Destinations tab. There is one DownloadManager per
 // active browser context in Chrome.
 //
 // Download observers:
@@ skipping 19 matching lines @@
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/file_path.h"
 #include "base/gtest_prod_util.h"
 #include "base/message_loop_helpers.h"
 #include "base/time.h"
+#include "content/public/browser/browser_thread.h"
 #include "content/public/browser/download_id.h"
 #include "content/public/browser/download_interrupt_reasons.h"
 #include "content/public/browser/download_item.h"
-#include "content/public/browser/browser_thread.h"
+#include "net/base/net_errors.h"
 #include "net/base/net_log.h"
-#include "net/base/net_errors.h"
 
 class DownloadRequestHandle;
 class GURL;
 struct DownloadCreateInfo;
 struct DownloadRetrieveInfo;
 
 namespace content {
+
 class BrowserContext;
 class DownloadManagerDelegate;
 class DownloadQuery;
-class WebContents;
-struct DownloadSaveInfo;
+class DownloadUrlParameters;
+class ResourceContext;
+class ResourceDispatcherHostImpl;

[Randy Smith (Not in Mondays), 2012/05/02 18:36:22]

Why the additional forward decls for Resource*?

[benjhayden, 2012/05/02 20:01:26]

Done.

 
 // Browser's download manager: manages all downloads and destination view.
 class CONTENT_EXPORT DownloadManager
     : public base::RefCountedThreadSafe<DownloadManager> {
  public:
-  // NOTE: If there is an error, the DownloadId will be invalid.
-  typedef base::Callback<void(DownloadId, net::Error)> OnStartedCallback;
-
   virtual ~DownloadManager() {}
 
   static DownloadManager* Create(
       DownloadManagerDelegate* delegate,
       net::NetLog* net_log);
 
   // A method that can be used in tests to ensure that all the internal download
   // classes have no pending downloads.
   static bool EnsureNoPendingDownloadsForTesting();
 
@@ skipping 89 matching lines @@
 
   // Remove downloads will delete all downloads that have a timestamp that is
   // the same or more recent than |remove_begin|. The number of downloads
   // deleted is returned back to the caller.
   virtual int RemoveDownloads(base::Time remove_begin) = 0;
 
   // Remove all downloads will delete all downloads. The number of downloads
   // deleted is returned back to the caller.
   virtual int RemoveAllDownloads() = 0;
 
-  // Downloads the content at |url|. |referrer| and |referrer_encoding| are the
-  // referrer for the download, and may be empty. If |prefer_cache| is true,
-  // then if the response to |url| is in the HTTP cache it will be used without
-  // revalidation. If |post_id| is non-negative, then it identifies the post
-  // transaction used to originally retrieve the |url| resource - it also
-  // requires |prefer_cache| to be |true| since re-post'ing is not done.
-  // |save_info| specifies where the downloaded file should be
-  // saved, and whether the user should be prompted about the download.
-  // |web_contents| is the web page that the download is done in context of,
-  // and must be non-NULL.
-  // |callback| will be called when the download starts, or if an error
-  // occurs that prevents a download item from being created.
-  virtual void DownloadUrl(const GURL& url,
-                           const GURL& referrer,
-                           const std::string& referrer_encoding,
-                           bool prefer_cache,
-                           int64 post_id,
-                           const DownloadSaveInfo& save_info,
-                           WebContents* web_contents,
-                           const OnStartedCallback& callback) = 0;
+  // See DownloadUrlParameters for details about controlling the download.
+  virtual void DownloadUrl(scoped_ptr<DownloadUrlParameters> parameters) = 0;
 
   // Allow objects to observe the download creation process.
   virtual void AddObserver(Observer* observer) = 0;
 
   // Remove a download observer from ourself.
   virtual void RemoveObserver(Observer* observer) = 0;
 
   // Called by the embedder, after creating the download manager, to let it know
   // about downloads from previous runs of the browser.
   virtual void OnPersistentStoreQueryComplete(
@@ skipping 65 matching lines @@
  private:
   friend class base::RefCountedThreadSafe<
       DownloadManager, BrowserThread::DeleteOnUIThread>;
   friend struct BrowserThread::DeleteOnThread<BrowserThread::UI>;
   friend class base::DeleteHelper<DownloadManager>;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_DOWNLOAD_MANAGER_H_