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Unified Diff: content/public/browser/download_destination_observer.h

Issue 10799005: Replace the DownloadFileManager with direct ownership (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Fixed Windows compile error. Created 8 years, 4 months ago
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Index: content/public/browser/download_destination_observer.h
diff --git a/content/public/browser/download_destination_observer.h b/content/public/browser/download_destination_observer.h
new file mode 100644
index 0000000000000000000000000000000000000000..6de162118912503c642f2f1616477545553ac07f
--- /dev/null
+++ b/content/public/browser/download_destination_observer.h
@@ -0,0 +1,37 @@
+// 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 CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_DESTINATION_OBSERVER_H_
+#define CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_DESTINATION_OBSERVER_H_
+
+#include <string>
+
+#include "content/public/browser/download_interrupt_reasons.h"
+
+namespace content {
+
+// Class that receives asynchronous events from a DownloadDestination about
+// downloading progress and completion. These should report status when the
+// data arrives at its final location; i.e. DestinationUpdate should be
+// called after the destination is finished with whatever operation it
+// is doing on the data described by |bytes_so_far| and DestinationCompleted
+// should only be called once that is true for all data.
+//
+// All methods must be invoked on the UI thread.
jam 2012/08/06 18:16:37 nit: since the content api's documentation is for
Randy Smith (Not in Mondays) 2012/08/10 20:09:00 Done.
+//
+// Note that this interface does not deal with cross-thread lifetime issues.
+class DownloadDestinationObserver {
+ public:
+ virtual void DestinationUpdate(int64 bytes_so_far,
+ int64 bytes_per_sec,
+ const std::string& hash_state) = 0;
+
+ virtual void DestinationError(DownloadInterruptReason reason) = 0;
+
+ virtual void DestinationCompleted(const std::string& final_hash) = 0;
+};
+
+} // namespace content
+
+#endif // CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_FILE_OBSERVER_H_

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