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/*
* Copyright 2009, The Android Open Source Project
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``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 "CachedResourceLoader.h"
#include "DocumentLoader.h"
#include "Frame.h"
#include "FrameLoader.h"
#include "MainResourceLoader.h"
#include "NotImplemented.h"
#include "ResourceHandleClient.h"
#include "ResourceHandleInternal.h"
#include "ResourceLoaderAndroid.h"
#include "Settings.h"
#include <wtf/text/CString.h>
namespace WebCore {
ResourceHandleInternal::~ResourceHandleInternal()
{
}
ResourceHandle::~ResourceHandle()
{
}
bool ResourceHandle::start(NetworkingContext* context)
{
if (!context || !context->isValid())
return false;
MainResourceLoader* mainLoader = context->mainResourceLoader();
bool isMainResource = static_cast<void*>(mainLoader) == static_cast<void*>(client());
RefPtr<ResourceLoaderAndroid> loader = ResourceLoaderAndroid::start(this, d->m_firstRequest, context->frameLoaderClient(), isMainResource, false);
if (loader) {
d->m_loader = loader.release();
return true;
}
return false;
}
void ResourceHandle::cancel()
{
if (d->m_loader)
d->m_loader->cancel();
}
PassRefPtr<SharedBuffer> ResourceHandle::bufferedData()
{
notImplemented();
return 0;
}
bool ResourceHandle::supportsBufferedData()
{
// We don't support buffering data on the native side.
notImplemented();
return false;
}
#if PLATFORM(ANDROID)
// TODO: this needs upstreaming.
void ResourceHandle::pauseLoad(bool pause)
{
if (d->m_loader)
d->m_loader->pauseLoad(pause);
}
#endif
void ResourceHandle::platformSetDefersLoading(bool)
{
notImplemented();
}
// This static method is called to check to see if a POST response is in
// the cache.
bool ResourceHandle::willLoadFromCache(ResourceRequest& request, Frame*)
{
// set the cache policy correctly, copied from
// network/mac/ResourceHandleMac.mm
request.setCachePolicy(ReturnCacheDataDontLoad);
FormData* formData = request.httpBody();
return ResourceLoaderAndroid::willLoadFromCache(request.url(), formData ? formData->identifier() : 0);
}
bool ResourceHandle::loadsBlocked()
{
// FIXME, need to check whether connection pipe is blocked.
// return false for now
return false;
}
// Class to handle synchronized loading of resources.
class SyncLoader : public ResourceHandleClient {
public:
SyncLoader(ResourceError& error, ResourceResponse& response, WTF::Vector<char>& data)
{
m_error = &error;
m_response = &response;
m_data = &data;
}
~SyncLoader() {}
virtual void didReceiveResponse(ResourceHandle*, const ResourceResponse& response)
{
*m_response = response;
}
virtual void didReceiveData(ResourceHandle*, const char* data, int len, int encodedDataLength)
{
m_data->append(data, len);
}
virtual void didFail(ResourceHandle*, const ResourceError& error)
{
*m_error = error;
}
private:
ResourceError* m_error;
ResourceResponse* m_response;
WTF::Vector<char>* m_data;
};
void ResourceHandle::loadResourceSynchronously(NetworkingContext* context, const ResourceRequest& request,
StoredCredentials, ResourceError& error, ResourceResponse& response, WTF::Vector<char>& data)
{
SyncLoader s(error, response, data);
RefPtr<ResourceHandle> h = adoptRef(new ResourceHandle(request, &s, false, false));
// This blocks until the load is finished.
// Use the request owned by the ResourceHandle. This has had the username
// and password (if present) stripped from the URL in
// ResourceHandleInternal::ResourceHandleInternal(). This matches the
// behaviour in the asynchronous case.
ResourceLoaderAndroid::start(h.get(), request, context->frameLoaderClient(), false, true);
}
} // namespace WebCore
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