Source/WebKit2/UIProcess/WebResourceCacheManagerProxy.cpp

/*
 * Copyright (C) 2011, 2013 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 *
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 * 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 APPLE INC. OR ITS CONTRIBUTORS
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#include "config.h"
#include "WebResourceCacheManagerProxy.h"

#include "APIDictionary.h"
#include "APISecurityOrigin.h"
#include "SecurityOriginData.h"
#include "WebProcessPool.h"
#include "WebResourceCacheManagerMessages.h"
#include "WebResourceCacheManagerProxyMessages.h"

#if ENABLE(NETWORK_PROCESS)
#include "NetworkProcessMessages.h"
#endif

using namespace WebCore;

namespace WebKit {

const char* WebResourceCacheManagerProxy::supplementName()
{
    return "WebResourceCacheManagerProxy";
}

PassRefPtr<WebResourceCacheManagerProxy> WebResourceCacheManagerProxy::create(WebProcessPool* processPool)
{
    return adoptRef(new WebResourceCacheManagerProxy(processPool));
}

WebResourceCacheManagerProxy::WebResourceCacheManagerProxy(WebProcessPool* processPool)
    : WebContextSupplement(processPool)
{
    WebContextSupplement::processPool()->addMessageReceiver(Messages::WebResourceCacheManagerProxy::messageReceiverName(), *this);
}

WebResourceCacheManagerProxy::~WebResourceCacheManagerProxy()
{
}

// WebContextSupplement

void WebResourceCacheManagerProxy::processPoolDestroyed()
{
    invalidateCallbackMap(m_arrayCallbacks, CallbackBase::Error::OwnerWasInvalidated);
}

void WebResourceCacheManagerProxy::processDidClose(WebProcessProxy*)
{
    invalidateCallbackMap(m_arrayCallbacks, CallbackBase::Error::ProcessExited);
}

bool WebResourceCacheManagerProxy::shouldTerminate(WebProcessProxy*) const
{
    return m_arrayCallbacks.isEmpty();
}

void WebResourceCacheManagerProxy::refWebContextSupplement()
{
    API::Object::ref();
}

void WebResourceCacheManagerProxy::derefWebContextSupplement()
{
    API::Object::deref();
}

void WebResourceCacheManagerProxy::getCacheOrigins(std::function<void (API::Array*, CallbackBase::Error)> callbackFunction)
{
    RefPtr<ArrayCallback> callback = ArrayCallback::create(WTF::move(callbackFunction));
    uint64_t callbackID = callback->callbackID();
    m_arrayCallbacks.set(callbackID, callback.release());

    // FIXME (Multi-WebProcess): <rdar://problem/12239765> When multi-process is enabled, we need to aggregate the callback data from all processes.
    processPool()->sendToAllProcessesRelaunchingThemIfNecessary(Messages::WebResourceCacheManager::GetCacheOrigins(callbackID));
}

void WebResourceCacheManagerProxy::didGetCacheOrigins(const Vector<SecurityOriginData>& origins, uint64_t callbackID)
{
    RefPtr<ArrayCallback> callback = m_arrayCallbacks.take(callbackID);
    performAPICallbackWithSecurityOriginDataVector(origins, callback.get());
}

void WebResourceCacheManagerProxy::clearCacheForOrigin(API::SecurityOrigin* origin, ResourceCachesToClear cachesToClear)
{
    SecurityOriginData securityOrigin;
    securityOrigin.protocol = origin->securityOrigin().protocol();
    securityOrigin.host = origin->securityOrigin().host();
    securityOrigin.port = origin->securityOrigin().port();

    // FIXME (Multi-WebProcess): <rdar://problem/12239765> There is no need to relaunch all processes. One process to take care of persistent cache is enough.
    processPool()->sendToAllProcessesRelaunchingThemIfNecessary(Messages::WebResourceCacheManager::ClearCacheForOrigin(securityOrigin, cachesToClear));
}

void WebResourceCacheManagerProxy::clearCacheForAllOrigins(ResourceCachesToClear cachesToClear)
{
#if ENABLE(NETWORK_PROCESS)
    processPool()->sendToNetworkingProcessRelaunchingIfNecessary(Messages::NetworkProcess::ClearCacheForAllOrigins(cachesToClear));
#endif

    // FIXME (Multi-WebProcess): <rdar://problem/12239765> There is no need to relaunch all processes. One process to take care of persistent cache is enough.
    processPool()->sendToAllProcessesRelaunchingThemIfNecessary(Messages::WebResourceCacheManager::ClearCacheForAllOrigins(cachesToClear));
}

} // namespace WebKit