Index: pdf/url_loader_wrapper.h |
diff --git a/pdf/url_loader_wrapper.h b/pdf/url_loader_wrapper.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..b95cfd299ff9ce84d2a1e5e1f0bcf5340a9c4ae7 |
--- /dev/null |
+++ b/pdf/url_loader_wrapper.h |
@@ -0,0 +1,62 @@ |
+// Copyright 2016 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 PDF_URL_LOADER_WRAPPER_H_ |
+#define PDF_URL_LOADER_WRAPPER_H_ |
+ |
+#include <string> |
+ |
+#include "base/macros.h" |
+#include "ppapi/cpp/completion_callback.h" |
+ |
+namespace chrome_pdf { |
+ |
+class URLLoaderWrapper { |
+ public: |
+ virtual ~URLLoaderWrapper() {} |
+ |
+ // Returns length of content, will be -1, if it is unknown. |
+ virtual int GetContentLength() const = 0; |
+ // Returns if the response headers contains "accept-ranges". |
+ virtual bool IsAcceptRangesBytes() const = 0; |
+ // Returns if the content encoded in response. |
+ virtual bool IsContentEncoded() const = 0; |
+ // Returns response content type. |
+ virtual std::string GetContentType() const = 0; |
+ // Returns response content disposition. |
+ virtual std::string GetContentDisposition() const = 0; |
+ // Returns response status code. |
+ virtual int GetStatusCode() const = 0; |
+ // Returns if the response contains multi parts. |
+ virtual bool IsMultipart() const = 0; |
+ // If true, [start,end] - is byte range contains in response (include end). |
+ // If false, response contains full document, start/end will be undefined. |
+ virtual bool GetByteRange(int* start, int* end) const = 0; |
+ |
+ // Close connection. |
+ virtual void Close() = 0; |
+ // Open new connection and send http range request. |
+ virtual void OpenRange(const std::string& url, |
+ const std::string& referrer_url, |
+ uint32_t position, |
+ uint32_t size, |
+ const pp::CompletionCallback& cc) = 0; |
+ // Read the response body. The size of the buffer must be large enough to |
+ // hold the specified number of bytes to read. |
+ // This function might perform a partial read. |
+ virtual void ReadResponseBody(char* buffer, |
+ int buffer_size, |
+ const pp::CompletionCallback& cc) = 0; |
+ // Returns the current download progress. |
+ // Progress only refers to the response body and does not include the headers. |
+ // If false, progress is unknown, bytes_received/total_bytes_to_be_received |
+ // will be undefined. |
+ virtual bool GetDownloadProgress( |
+ int64_t* bytes_received, |
+ int64_t* total_bytes_to_be_received) const = 0; |
+}; |
+ |
+} // namespace chrome_pdf |
+ |
+#endif // PDF_URL_LOADER_WRAPPER_H_ |