1 /* 2 * Copyright 2011, The Android Open Source Project 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef CacheResult_h 27 #define CacheResult_h 28 29 #include "ChromiumIncludes.h" 30 31 #include <wtf/RefCounted.h> 32 #include <wtf/ThreadingPrimitives.h> 33 #include <wtf/text/WTFString.h> 34 35 namespace android { 36 37 // A wrapper around a disk_cache::Entry. Provides fields appropriate for constructing a Java CacheResult object. 38 class CacheResult : public base::RefCountedThreadSafe<CacheResult> { 39 public: 40 // Takes ownership of the Entry passed to the constructor. 41 CacheResult(disk_cache::Entry*, String url); 42 ~CacheResult(); 43 44 int64 contentSize() const; 45 bool firstResponseHeader(const char* name, WTF::String* result, bool allowEmptyString) const; 46 // The Android stack uses the empty string if no Content-Type headers are 47 // found, so we use the same default here. 48 WTF::String mimeType() const; 49 // Returns the value of the expires header as milliseconds since the epoch. 50 int64 expires() const; 51 int responseCode() const; 52 bool writeToFile(const WTF::String& filePath) const; 53 private: 54 net::HttpResponseHeaders* responseHeaders() const; 55 void responseHeadersImpl(); 56 void onResponseHeadersDone(int size); 57 58 void writeToFileImpl(); 59 void readNextChunk(); 60 void onReadNextChunkDone(int size); 61 bool writeChunkToFile(); 62 void onWriteToFileDone(); 63 64 disk_cache::Entry* m_entry; 65 66 scoped_refptr<net::HttpResponseHeaders> m_responseHeaders; 67 68 int m_readOffset; 69 bool m_wasWriteToFileSuccessful; 70 mutable String m_filePath; 71 72 int m_bufferSize; 73 scoped_refptr<net::IOBuffer> m_buffer; 74 mutable bool m_isAsyncOperationInProgress; 75 mutable WTF::Mutex m_mutex; 76 mutable WTF::ThreadCondition m_condition; 77 78 net::CompletionCallbackImpl<CacheResult> m_onResponseHeadersDoneCallback; 79 net::CompletionCallbackImpl<CacheResult> m_onReadNextChunkDoneCallback; 80 81 String m_url; 82 }; 83 84 } // namespace android 85 86 #endif 87