webengine/osswebengine/WebCore/platform/network/symbian/ResourceHandleManagerSymbian.cpp
/*
* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of the License "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description: CResourceHandleManager
*
*/
#include "config.h"
#include "hashmap.h"
#include "CString.h"
#include "CookieJar.h"
#include "ResourceHandle.h"
#include "ResourceHandleClient.h"
#include "ResourceResponse.h"
#include "ResourceHandleManagerSymbian.h"
#include "ResourceHandleInternal.h"
#include "ResourceError.h"
#include "MimeTypeRegistry.h"
#include "WebCoreFrameBridge.h"
#include "WebCoreKeyValuePair.h"
#include "oom.h"
#include <e32hal.h>
const TUint KPluginsRescueBuffer = 3*1024*1024; //3MB
#define notImplemented() {}
namespace WebCore {
static CResourceHandleManager* s_self = 0;
void cleanupHandleManager()
{
if(s_self){
delete s_self;
s_self = 0;
}
}
CResourceHandleManager::CResourceHandleManager()
{
}
CResourceHandleManager::~CResourceHandleManager()
{
}
CResourceHandleManager* CResourceHandleManager::self()
{
if (!s_self)
s_self = new CResourceHandleManager();
return s_self;
}
int CResourceHandleManager::add(ResourceHandle* resource)
{
ASSERT(resource);
ResourceHandleInternal* d = resource->getInternal();
ResourceRequest r = resource->request();
if (r.httpMethod() != "GET" && r.httpMethod() != "POST" &&
r.httpMethod() != "DELETE" && r.httpMethod() != "PUT") {
notImplemented();
return KErrNotSupported;
}
if (d->m_connection)
return (d->m_connection->submit());
return KErrNone;
}
void CResourceHandleManager::cancel(ResourceHandle* resource)
{
ResourceHandleClient* client = resource->client();
if (!client)
return;
MUrlConnection *connection = resource->getInternal()->m_connection;
if (!connection)
return;
if (!connection->m_cancelled) {
connection->m_cancelled = true;
connection->cancel();
}
}
void CResourceHandleManager::receivedResponse(ResourceHandle* resource, ResourceResponse& response, MUrlConnection* connection)
{
if (!connection)
return;
if (connection->m_cancelled)
return;
ResourceHandleClient* client = resource->client();
if (!client)
return;
client->didReceiveResponse(resource, response);
}
void CResourceHandleManager::receivedData(ResourceHandle* resource, const TDesC8& data, int contentLength, MUrlConnection* connection)
{
if (!connection)
return;
if (connection->m_cancelled)
return;
ResourceHandleClient* client = resource->client();
if (!client)
return;
// check if we have enough memory to handle this request
if (resource->request().mainLoad()) {
OOM_PRE_CHECK(contentLength<<4, contentLength, "CResourceHandleManager::receiveData()")
client->didReceiveData(resource, (const char*)data.Ptr(), data.Length(), data.Length());
OOM_POST_CHECK_FAILED(client->didFail(resource, ResourceError(String(), KErrNoMemory, String(), String()));)
}
else if (client->isLoadingPlugins()) {
TMemoryInfoV1Buf info;
UserHal::MemoryInfo( info );
int needed = data.Length();
if( needed+KPluginsRescueBuffer < info().iFreeRamInBytes ) {
client->didReceiveData(resource, (const char*)data.Ptr(), data.Length(), data.Length());
} else {
client->didFail(resource, ResourceError(String(), KErrNoMemory, String(), String()));
}
}
else {
int needed = std::max(contentLength, std::max(client->receivedDataBufferSize(), data.Length()));
OOM_PRE_CHECK(needed<<2, needed<<1, "CResourceHandleManager::receiveData()")
client->didReceiveData(resource, (const char*)data.Ptr(), data.Length(), data.Length());
OOM_POST_CHECK_FAILED(connection->handleError(KErrNoMemory);)
}
}
void CResourceHandleManager::receivedFinished(ResourceHandle* resource, TInt errorCode, MUrlConnection* connection)
{
if (!connection)
return;
if (connection->m_cancelled)
return;
ResourceHandleClient* client = resource->client();
if (!client)
return;
if (connection->m_cancelled) {
return;
}
if (errorCode) {
client->didFail(resource, ResourceError(String(), errorCode, String(), String()));
} else {
client->didFinishLoading(resource);
}
}
} // namespace WebCore