Index: net/base/upload_disk_cache_entry_element_reader.h |
diff --git a/net/base/upload_disk_cache_entry_element_reader.h b/net/base/upload_disk_cache_entry_element_reader.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..9c7894e820d7b7144ed8bea3eb61efc15d5cd542 |
--- /dev/null |
+++ b/net/base/upload_disk_cache_entry_element_reader.h |
@@ -0,0 +1,63 @@ |
+// 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. |
+ |
+#ifndef NET_BASE_UPLOAD_DISK_CACHE_ENTRY_ELEMENT_READER_H_ |
+#define NET_BASE_UPLOAD_DISK_CACHE_ENTRY_ELEMENT_READER_H_ |
+ |
+#include "base/basictypes.h" |
+#include "base/compiler_specific.h" |
+#include "base/memory/weak_ptr.h" |
+#include "net/base/upload_element_reader.h" |
+ |
+namespace disk_cache { |
+class Entry; |
+} |
+ |
+namespace net { |
+ |
+// An UploadElementReader implementation for disk_cache::Entry objects. |
+// |entry| should outlive this class because this class does not take the |
+// ownership of the data. |
+class NET_EXPORT UploadDiskCacheEntryElementReader |
+ : public UploadElementReader { |
+ public: |
+ UploadDiskCacheEntryElementReader(disk_cache::Entry* disk_cache_entry, |
+ int disk_cache_stream_index, |
+ int range_offset, |
+ int range_length); |
+ ~UploadDiskCacheEntryElementReader() override; |
+ |
+ int range_offset() const { return range_offset_; } |
+ int range_length() const { return range_length_; } |
+ |
+ // UploadElementReader overrides: |
+ const UploadDiskCacheEntryElementReader* AsDiskCacheEntryReader() |
+ const override; |
+ int Init(const CompletionCallback& callback) override; |
+ uint64_t GetContentLength() const override; |
+ uint64_t BytesRemaining() const override; |
+ bool IsInMemory() const override; |
+ int Read(IOBuffer* buf, |
+ int buf_length, |
+ const CompletionCallback& callback) override; |
+ |
+ private: |
+ void OnReadCompleted(const CompletionCallback& callback, int result); |
+ |
+ disk_cache::Entry* const disk_cache_entry_; |
+ const int disk_cache_stream_index_; |
+ |
+ const int range_offset_; |
+ const int range_length_; |
+ |
+ int offset_; |
+ |
+ base::WeakPtrFactory<UploadDiskCacheEntryElementReader> weak_factory_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(UploadDiskCacheEntryElementReader); |
+}; |
+ |
+} // namespace net |
+ |
+#endif // NET_BASE_UPLOAD_DISK_CACHE_ENTRY_ELEMENT_READER_H_ |