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Diffstat (limited to 'WebKit/chromium/src/ResourceHandle.cpp')
| -rw-r--r-- | WebKit/chromium/src/ResourceHandle.cpp | 336 |
1 files changed, 0 insertions, 336 deletions
diff --git a/WebKit/chromium/src/ResourceHandle.cpp b/WebKit/chromium/src/ResourceHandle.cpp deleted file mode 100644 index 83e0017..0000000 --- a/WebKit/chromium/src/ResourceHandle.cpp +++ /dev/null @@ -1,336 +0,0 @@ -/* - * Copyright (C) 2009 Google Inc. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following disclaimer - * in the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Google Inc. nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "config.h" -#include "ResourceHandle.h" - -#include "ChromiumBridge.h" -#include "ResourceHandleClient.h" -#include "ResourceRequest.h" -#include "SharedBuffer.h" - -#include "WebKit.h" -#include "WebKitClient.h" -#include "WebURLError.h" -#include "WebURLLoader.h" -#include "WebURLLoaderClient.h" -#include "WebURLRequest.h" -#include "WebURLResponse.h" -#include "WrappedResourceRequest.h" -#include "WrappedResourceResponse.h" - -using namespace WebKit; - -namespace WebCore { - -// ResourceHandleInternal ----------------------------------------------------- - -class ResourceHandleInternal : public WebURLLoaderClient { -public: - ResourceHandleInternal(const ResourceRequest& request, ResourceHandleClient* client) - : m_request(request) - , m_owner(0) - , m_client(client) - , m_state(ConnectionStateNew) - { - } - - void start(); - void cancel(); - void setDefersLoading(bool); - bool allowStoredCredentials() const; - - // WebURLLoaderClient methods: - virtual void willSendRequest(WebURLLoader*, WebURLRequest&, const WebURLResponse&); - virtual void didSendData( - WebURLLoader*, unsigned long long bytesSent, unsigned long long totalBytesToBeSent); - virtual void didReceiveResponse(WebURLLoader*, const WebURLResponse&); - virtual void didReceiveData(WebURLLoader*, const char* data, int dataLength); - virtual void didReceiveCachedMetadata(WebURLLoader*, const char* data, int dataLength); - virtual void didFinishLoading(WebURLLoader*, double finishTime); - virtual void didFail(WebURLLoader*, const WebURLError&); - - enum ConnectionState { - ConnectionStateNew, - ConnectionStateStarted, - ConnectionStateReceivedResponse, - ConnectionStateReceivingData, - ConnectionStateFinishedLoading, - ConnectionStateCanceled, - ConnectionStateFailed, - }; - - ResourceRequest m_request; - ResourceHandle* m_owner; - ResourceHandleClient* m_client; - OwnPtr<WebURLLoader> m_loader; - - // Used for sanity checking to make sure we don't experience illegal state - // transitions. - ConnectionState m_state; -}; - -void ResourceHandleInternal::start() -{ - if (m_state != ConnectionStateNew) - CRASH(); - m_state = ConnectionStateStarted; - - m_loader.set(webKitClient()->createURLLoader()); - ASSERT(m_loader.get()); - - WrappedResourceRequest wrappedRequest(m_request); - wrappedRequest.setAllowStoredCredentials(allowStoredCredentials()); - m_loader->loadAsynchronously(wrappedRequest, this); -} - -void ResourceHandleInternal::cancel() -{ - m_state = ConnectionStateCanceled; - m_loader->cancel(); - - // Do not make any further calls to the client. - m_client = 0; -} - -void ResourceHandleInternal::setDefersLoading(bool value) -{ - m_loader->setDefersLoading(value); -} - -bool ResourceHandleInternal::allowStoredCredentials() const -{ - return m_client && m_client->shouldUseCredentialStorage(m_owner); -} - -void ResourceHandleInternal::willSendRequest( - WebURLLoader*, WebURLRequest& request, const WebURLResponse& response) -{ - ASSERT(m_client); - ASSERT(!request.isNull()); - ASSERT(!response.isNull()); - m_client->willSendRequest(m_owner, request.toMutableResourceRequest(), response.toResourceResponse()); -} - -void ResourceHandleInternal::didSendData( - WebURLLoader*, unsigned long long bytesSent, unsigned long long totalBytesToBeSent) -{ - ASSERT(m_client); - m_client->didSendData(m_owner, bytesSent, totalBytesToBeSent); -} - -void ResourceHandleInternal::didReceiveResponse(WebURLLoader*, const WebURLResponse& response) -{ - ASSERT(m_client); - ASSERT(!response.isNull()); - bool isMultipart = response.isMultipartPayload(); - bool isValidStateTransition = (m_state == ConnectionStateStarted || m_state == ConnectionStateReceivedResponse); - // In the case of multipart loads, calls to didReceiveData & didReceiveResponse can be interleaved. - if (!isMultipart && !isValidStateTransition) - CRASH(); - m_state = ConnectionStateReceivedResponse; - m_client->didReceiveResponse(m_owner, response.toResourceResponse()); -} - -void ResourceHandleInternal::didReceiveData( - WebURLLoader*, const char* data, int dataLength) -{ - ASSERT(m_client); - if (m_state != ConnectionStateReceivedResponse && m_state != ConnectionStateReceivingData) - CRASH(); - m_state = ConnectionStateReceivingData; - - // FIXME(yurys): it looks like lengthReceived is always the same as - // dataLength and that the latter parameter can be eliminated. - // See WebKit bug: https://bugs.webkit.org/show_bug.cgi?id=31019 - m_client->didReceiveData(m_owner, data, dataLength, dataLength); -} - -void ResourceHandleInternal::didReceiveCachedMetadata(WebURLLoader*, const char* data, int dataLength) -{ - ASSERT(m_client); - if (m_state != ConnectionStateReceivedResponse && m_state != ConnectionStateReceivingData) - CRASH(); - - m_client->didReceiveCachedMetadata(m_owner, data, dataLength); -} - -void ResourceHandleInternal::didFinishLoading(WebURLLoader*, double finishTime) -{ - ASSERT(m_client); - if (m_state != ConnectionStateReceivedResponse && m_state != ConnectionStateReceivingData) - CRASH(); - m_state = ConnectionStateFinishedLoading; - m_client->didFinishLoading(m_owner, finishTime); -} - -void ResourceHandleInternal::didFail(WebURLLoader*, const WebURLError& error) -{ - ASSERT(m_client); - m_state = ConnectionStateFailed; - m_client->didFail(m_owner, error); -} - -// ResourceHandle ------------------------------------------------------------- - -ResourceHandle::ResourceHandle(const ResourceRequest& request, - ResourceHandleClient* client, - bool defersLoading, - bool shouldContentSniff) - : d(new ResourceHandleInternal(request, client)) -{ - d->m_owner = this; - - // FIXME: Figure out what to do with the bool params. -} - -PassRefPtr<ResourceHandle> ResourceHandle::create(NetworkingContext* context, - const ResourceRequest& request, - ResourceHandleClient* client, - bool defersLoading, - bool shouldContentSniff) -{ - RefPtr<ResourceHandle> newHandle = adoptRef(new ResourceHandle( - request, client, defersLoading, shouldContentSniff)); - - if (newHandle->start(context)) - return newHandle.release(); - - return 0; -} - -ResourceRequest& ResourceHandle::firstRequest() -{ - return d->m_request; -} - -ResourceHandleClient* ResourceHandle::client() const -{ - return d->m_client; -} - -void ResourceHandle::setClient(ResourceHandleClient* client) -{ - d->m_client = client; -} - -void ResourceHandle::setDefersLoading(bool value) -{ - d->setDefersLoading(value); -} - -bool ResourceHandle::start(NetworkingContext* context) -{ - d->start(); - return true; -} - -bool ResourceHandle::hasAuthenticationChallenge() const -{ - return false; -} - -void ResourceHandle::clearAuthentication() -{ -} - -void ResourceHandle::cancel() -{ - d->cancel(); -} - -ResourceHandle::~ResourceHandle() -{ - d->m_owner = 0; -} - -PassRefPtr<SharedBuffer> ResourceHandle::bufferedData() -{ - return 0; -} - -bool ResourceHandle::loadsBlocked() -{ - return false; // This seems to be related to sync XMLHttpRequest... -} - -// static -bool ResourceHandle::supportsBufferedData() -{ - return false; // The loader will buffer manually if it needs to. -} - -// static -void ResourceHandle::loadResourceSynchronously(NetworkingContext* context, - const ResourceRequest& request, - StoredCredentials storedCredentials, - ResourceError& error, - ResourceResponse& response, - Vector<char>& data) -{ - OwnPtr<WebURLLoader> loader(webKitClient()->createURLLoader()); - ASSERT(loader.get()); - - WrappedResourceRequest requestIn(request); - requestIn.setAllowStoredCredentials(storedCredentials == AllowStoredCredentials); - WrappedResourceResponse responseOut(response); - WebURLError errorOut; - WebData dataOut; - - loader->loadSynchronously(requestIn, responseOut, errorOut, dataOut); - - error = errorOut; - data.clear(); - data.append(dataOut.data(), dataOut.size()); -} - -// static -bool ResourceHandle::willLoadFromCache(ResourceRequest& request, Frame*) -{ - // This method is used to determine if a POST request can be repeated from - // cache, but you cannot really know until you actually try to read from the - // cache. Even if we checked now, something else could come along and wipe - // out the cache entry by the time we fetch it. - // - // So, we always say yes here, to prevent the FrameLoader from initiating a - // reload. Then in FrameLoaderClientImpl::dispatchWillSendRequest, we - // fix-up the cache policy of the request to force a load from the cache. - // - ASSERT(request.httpMethod() == "POST"); - return true; -} - -// static -void ResourceHandle::cacheMetadata(const ResourceResponse& response, const Vector<char>& data) -{ - ChromiumBridge::cacheMetadata(response.url(), response.responseTime(), data); -} - -} // namespace WebCore |