Make DownloadHistory observe manager, items

chrome/browser/history/download_row.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.
+
+#ifndef CHROME_BROWSER_HISTORY_DOWNLOAD_ROW_H_
+#define CHROME_BROWSER_HISTORY_DOWNLOAD_ROW_H_
+
+#include "base/file_path.h"
+#include "base/time.h"
+#include "content/public/browser/download_item.h"
+#include "googleurl/src/gurl.h"
+
+namespace history {
+
+// Contains the information that is stored in the download system's persistent
+// store (or refers to it). DownloadHistory uses this to communicate with the
+// DownloadDatabase through the HistoryService.
+struct DownloadRow {
+  DownloadRow();
+  DownloadRow(
+      const FilePath& path,
+      const GURL& url,
+      const GURL& referrer,
+      const base::Time& start,
+      const base::Time& end,
+      int64 received,
+      int64 total,
+      content::DownloadItem::DownloadState download_state,
+      int64 handle,
+      bool download_opened);
+  ~DownloadRow();
+
+  // The current path to the downloaded file.
+  // TODO(benjhayden/asanka): Persist the target filename as well.
+  FilePath path;
+
+  // The URL from which we are downloading. This is the final URL after any
+  // redirection by the server for |url_chain|. Is not changed by
+  // UpdateDownload().
+  GURL url;
+
+  // The URL that referred us. Is not changed by UpdateDownload().
+  GURL referrer_url;
+
+  // The time when the download started. Is not changed by UpdateDownload().
+  base::Time start_time;
+
+  // The time when the download completed.
+  base::Time end_time;
+
+  // The number of bytes received (so far).
+  int64 received_bytes;
+
+  // The total number of bytes in the download. Is not changed by
+  // UpdateDownload().
+  int64 total_bytes;
+
+  // The current state of the download.
+  content::DownloadItem::DownloadState state;
+
+  // The handle of the download in the database. Is not changed by
+  // UpdateDownload().
+  int64 db_handle;
+
+  // Whether this download has ever been opened from the browser.
+  bool opened;
+};
+
+}  // namespace history
+
+#endif  // CHROME_BROWSER_HISTORY_DOWNLOAD_ROW_H_