1 /* 2 * Copyright 2009, 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 #include "config.h" 27 #include "JavaSharedClient.h" 28 #include "SharedBuffer.h" 29 #include "SharedBufferStream.h" 30 31 using namespace android; 32 33 namespace WebCore { 34 CallDeref(void * buffer)35 static void CallDeref(void* buffer) { 36 ((SharedBuffer*)buffer)->deref(); 37 } 38 SharedBufferStream(SharedBuffer * buffer)39 SharedBufferStream::SharedBufferStream(SharedBuffer* buffer) 40 : SkMemoryStream(buffer->data(), buffer->size(), false) { 41 fBuffer = buffer; 42 buffer->ref(); 43 } 44 ~SharedBufferStream()45 SharedBufferStream::~SharedBufferStream() { 46 // we can't necessarily call fBuffer->deref() here, as we may be 47 // in a different thread from webkit, and SharedBuffer is not 48 // threadsafe. Therefore we defer it until it can be executed in the 49 // webkit thread. 50 JavaSharedClient::EnqueueFunctionPtr(CallDeref, fBuffer); 51 } 52 53 } 54