1 /* 2 * Copyright (C) 2009 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "config.h" 18 #include "JavaSharedClient.h" 19 #include "SharedBuffer.h" 20 #include "SharedBufferStream.h" 21 22 using namespace android; 23 24 namespace WebCore { 25 CallDeref(void * buffer)26 static void CallDeref(void* buffer) { 27 ((SharedBuffer*)buffer)->deref(); 28 } 29 SharedBufferStream(SharedBuffer * buffer)30 SharedBufferStream::SharedBufferStream(SharedBuffer* buffer) 31 : SkMemoryStream(buffer->data(), buffer->size(), false) { 32 fBuffer = buffer; 33 buffer->ref(); 34 } 35 ~SharedBufferStream()36 SharedBufferStream::~SharedBufferStream() { 37 // we can't necessarily call fBuffer->deref() here, as we may be 38 // in a different thread from webkit, and SharedBuffer is not 39 // threadsafe. Therefore we defer it until it can be executed in the 40 // webkit thread. 41 JavaSharedClient::EnqueueFunctionPtr(CallDeref, fBuffer); 42 } 43 44 } 45 46