15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 293ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles) * Copyright (C) 2010 Google Inc. All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Redistribution and use in source and binary forms, with or without 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modification, are permitted provided that the following conditions are 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * met: 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * * Redistributions of source code must retain the above copyright 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer. 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * * Redistributions in binary form must reproduce the above 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * copyright notice, this list of conditions and the following disclaimer 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * in the documentation and/or other materials provided with the 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * distribution. 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * * Neither the name of Google Inc. nor the names of its 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * contributors may be used to endorse or promote products derived from 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * this software without specific prior written permission. 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 3193ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles)#ifndef WebThreadSafeData_h 3293ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles)#define WebThreadSafeData_h 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 3493ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles)#include "WebCommon.h" 3593ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles)#include "WebPrivatePtr.h" 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 37bfe3590b1806e3ff18f46ee3af5d4b83078f305aTorne (Richard Coles)#if !INSIDE_BLINK 3893ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles)#include <string> 3993ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles)#endif 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 4151b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles)namespace blink { 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 43e38fbeeb576b5094e34e038ab88d9d6a5c5c2214Torne (Richard Coles)class RawData; 44e38fbeeb576b5094e34e038ab88d9d6a5c5c2214Torne (Richard Coles) 4593ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles)// A container for raw bytes. It is inexpensive to copy a WebThreadSafeData object. 4693ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles)// It is safe to pass a WebThreadSafeData across threads!!! 4793ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles)class WebThreadSafeData { 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 4993ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles) WebThreadSafeData() { } 5093ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles) ~WebThreadSafeData() { reset(); } 5193ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles) 52bfe3590b1806e3ff18f46ee3af5d4b83078f305aTorne (Richard Coles) BLINK_PLATFORM_EXPORT void assign(const WebThreadSafeData&); 53bfe3590b1806e3ff18f46ee3af5d4b83078f305aTorne (Richard Coles) BLINK_PLATFORM_EXPORT void reset(); 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 55bfe3590b1806e3ff18f46ee3af5d4b83078f305aTorne (Richard Coles) BLINK_PLATFORM_EXPORT size_t size() const; 56bfe3590b1806e3ff18f46ee3af5d4b83078f305aTorne (Richard Coles) BLINK_PLATFORM_EXPORT const char* data() const; 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 5893ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles) bool isEmpty() const { return !size(); } 5993ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles) 60bfe3590b1806e3ff18f46ee3af5d4b83078f305aTorne (Richard Coles)#if INSIDE_BLINK 61e38fbeeb576b5094e34e038ab88d9d6a5c5c2214Torne (Richard Coles) BLINK_PLATFORM_EXPORT WebThreadSafeData(const WTF::PassRefPtr<RawData>&); 62e38fbeeb576b5094e34e038ab88d9d6a5c5c2214Torne (Richard Coles) BLINK_PLATFORM_EXPORT WebThreadSafeData& operator=(const WTF::PassRefPtr<RawData>&); 6393ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles)#else 6493ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles) operator std::string() const 6593ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles) { 6693ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles) size_t len = size(); 6793ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles) return len ? std::string(data(), len) : std::string(); 6893ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles) } 6993ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles)#endif 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)private: 72e38fbeeb576b5094e34e038ab88d9d6a5c5c2214Torne (Richard Coles) WebPrivatePtr<RawData> m_private; 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 7551b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles)} // namespace blink 765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 7793ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles)#endif 78