1635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project/* 206ea8e899e48f1f2f396b70e63fae369f2f23232Kristian Monsen * Copyright (C) 2010 Google Inc. All rights reserved. 30bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch * 4635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * Redistribution and use in source and binary forms, with or without 5635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * modification, are permitted provided that the following conditions are 6635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * met: 70bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch * 8635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * * Redistributions of source code must retain the above copyright 9635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * notice, this list of conditions and the following disclaimer. 10635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * * Redistributions in binary form must reproduce the above 11635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * copyright notice, this list of conditions and the following disclaimer 12635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * in the documentation and/or other materials provided with the 13635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * distribution. 14635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * * Neither the name of Google Inc. nor the names of its 15635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * contributors may be used to endorse or promote products derived from 16635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * this software without specific prior written permission. 170bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch * 18635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block * 30635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project */ 31635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project 32e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block#ifndef PingLoader_h 33e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block#define PingLoader_h 34635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project 35e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block#include "ResourceHandleClient.h" 36bec39347bb3bb5bf1187ccaf471d26247f28b585Kristian Monsen#include "Timer.h" 37e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block#include <wtf/Noncopyable.h> 38e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block#include <wtf/RefPtr.h> 39635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project 40635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Projectnamespace WebCore { 41635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project 42e8b154fd68f9b33be40a3590e58347f353835f5cSteve Blockclass Frame; 43e8b154fd68f9b33be40a3590e58347f353835f5cSteve Blockclass KURL; 44e8b154fd68f9b33be40a3590e58347f353835f5cSteve Blockclass ResourceError; 45e8b154fd68f9b33be40a3590e58347f353835f5cSteve Blockclass ResourceHandle; 46e8b154fd68f9b33be40a3590e58347f353835f5cSteve Blockclass ResourceResponse; 47e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block 48e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block// This class triggers asynchronous loads independent of Frame staying alive (i.e., auditing pingbacks). 49e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block// Since nothing depends on resources loaded through this class, we just want 50e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block// to allow the load to live long enough to ensure the message was actually sent. 51e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block// Therefore, as soon as a callback is received from the ResourceHandle, this class 52e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block// will cancel the load and delete itself. 53ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddbBen Murdochclass PingLoader : private ResourceHandleClient { 54ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddbBen Murdoch WTF_MAKE_NONCOPYABLE(PingLoader); WTF_MAKE_FAST_ALLOCATED; 5506ea8e899e48f1f2f396b70e63fae369f2f23232Kristian Monsenpublic: 56e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block static void loadImage(Frame*, const KURL& url); 57bec39347bb3bb5bf1187ccaf471d26247f28b585Kristian Monsen static void sendPing(Frame*, const KURL& pingURL, const KURL& destinationURL); 58e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block 59e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block ~PingLoader(); 60635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project 6106ea8e899e48f1f2f396b70e63fae369f2f23232Kristian Monsenprivate: 62e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block PingLoader(Frame*, const ResourceRequest&); 63e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block 64e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block void didReceiveResponse(ResourceHandle*, const ResourceResponse&) { delete this; } 652fc2651226baac27029e38c9d6ef883fa32084dbSteve Block void didReceiveData(ResourceHandle*, const char*, int, int) { delete this; } 6668513a70bcd92384395513322f1b801e7bf9c729Steve Block void didFinishLoading(ResourceHandle*, double) { delete this; } 67e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block void didFail(ResourceHandle*, const ResourceError&) { delete this; } 68bec39347bb3bb5bf1187ccaf471d26247f28b585Kristian Monsen void timeout(Timer<PingLoader>*) { delete this; } 69cad810f21b803229eb11403f9209855525a25d57Steve Block bool shouldUseCredentialStorage(ResourceHandle*) { return m_shouldUseCredentialStorage; } 70e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block 71e8b154fd68f9b33be40a3590e58347f353835f5cSteve Block RefPtr<ResourceHandle> m_handle; 72bec39347bb3bb5bf1187ccaf471d26247f28b585Kristian Monsen Timer<PingLoader> m_timeout; 73cad810f21b803229eb11403f9209855525a25d57Steve Block bool m_shouldUseCredentialStorage; 740bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch}; 75635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project 7606ea8e899e48f1f2f396b70e63fae369f2f23232Kristian Monsen} 77635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project 7806ea8e899e48f1f2f396b70e63fae369f2f23232Kristian Monsen#endif 79