/*

 * Copyright (C) 2010 Apple Inc. All rights reserved.

 * Copyright (C) 2010 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:

 * 1.  Redistributions of source code must retain the above copyright

 *     notice, this list of conditions and the following disclaimer.

 * 2.  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 APPLE INC. AND ITS 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 APPLE INC. OR ITS 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 "InspectorApplicationCacheAgent.h"

#if ENABLE(INSPECTOR) && ENABLE(OFFLINE_WEB_APPLICATIONS)

#include "ApplicationCache.h"

#include "ApplicationCacheResource.h"

#include "DocumentLoader.h"

#include "Frame.h"

#include "FrameLoader.h"

#include "InspectorController.h"

#include "InspectorFrontend.h"

#include "Page.h"

#include "ResourceResponse.h"

#include "ScriptArray.h"

#include "ScriptObject.h"

namespace WebCore {

InspectorApplicationCacheAgent::InspectorApplicationCacheAgent(InspectorController* inspectorController, InspectorFrontend* frontend)

    : m_inspectorController(inspectorController)

    , m_frontend(frontend)

{

}

void InspectorApplicationCacheAgent::didReceiveManifestResponse(unsigned long identifier, const ResourceResponse& response)

{

    m_inspectorController->didReceiveResponse(identifier, response);

}

void InspectorApplicationCacheAgent::updateApplicationCacheStatus(ApplicationCacheHost::Status status)

{

    m_frontend->updateApplicationCacheStatus(status);

}

void InspectorApplicationCacheAgent::updateNetworkState(bool isNowOnline)

{

    m_frontend->updateNetworkState(isNowOnline);

}

void InspectorApplicationCacheAgent::fillResourceList(ApplicationCache* cache, ResourceInfoList* resources)

{

#if !PLATFORM(CHROMIUM)

    ASSERT(cache && cache->isComplete());

#endif

    ApplicationCache::ResourceMap::const_iterator end = cache->end();

    for (ApplicationCache::ResourceMap::const_iterator it = cache->begin(); it != end; ++it) {

        RefPtr<ApplicationCacheResource> resource = it->second;

        unsigned type = resource->type();

        bool isMaster   = type & ApplicationCacheResource::Master;

        bool isManifest = type & ApplicationCacheResource::Manifest;

        bool isExplicit = type & ApplicationCacheResource::Explicit;

        bool isForeign  = type & ApplicationCacheResource::Foreign;

        bool isFallback = type & ApplicationCacheResource::Fallback;

#if PLATFORM(CHROMIUM)

        int64_t estimatedSizeInStorage = 0;

#else

        int64_t estimatedSizeInStorage = resource->estimatedSizeInStorage();

#endif

        resources->append(InspectorApplicationCacheAgent::ResourceInfo(resource->url(), isMaster, isManifest, isFallback, isForeign, isExplicit, estimatedSizeInStorage));

    }

}

void InspectorApplicationCacheAgent::getApplicationCaches(long callId)

{

    DocumentLoader* documentLoader = m_inspectorController->inspectedPage()->mainFrame()->loader()->documentLoader();

    if (!documentLoader) {

        m_frontend->didGetApplicationCaches(callId, ScriptValue::undefined());

        return;

    }

    ApplicationCacheHost* host = documentLoader->applicationCacheHost();

    ApplicationCache* cache = host->applicationCacheForInspector();

    if (!cache

#if !PLATFORM(CHROMIUM)

        || !cache->isComplete()

#endif

        ) {

        m_frontend->didGetApplicationCaches(callId, ScriptValue::undefined());

        return;        

    }

    // FIXME: Add "Creation Time" and "Update Time" to Application Caches.

    ApplicationCacheInfo info(cache->manifestResource()->url(), String(), String(), cache->estimatedSizeInStorage());

    ResourceInfoList resources;

    fillResourceList(cache, &resources);

    m_frontend->didGetApplicationCaches(callId, buildObjectForApplicationCache(resources, info));

}

ScriptObject InspectorApplicationCacheAgent::buildObjectForApplicationCache(const ResourceInfoList& applicationCacheResources, const ApplicationCacheInfo& applicationCacheInfo)

{

    ScriptObject value = m_frontend->newScriptObject();

    value.set("size", applicationCacheInfo.m_size);

    value.set("manifest", applicationCacheInfo.m_manifest.string());

    value.set("lastPathComponent", applicationCacheInfo.m_manifest.lastPathComponent());

    value.set("creationTime", applicationCacheInfo.m_creationTime);

    value.set("updateTime", applicationCacheInfo.m_updateTime);

    value.set("resources", buildArrayForApplicationCacheResources(applicationCacheResources));

    return value;

}

ScriptArray InspectorApplicationCacheAgent::buildArrayForApplicationCacheResources(const ResourceInfoList& applicationCacheResources)

{

    ScriptArray resources = m_frontend->newScriptArray();

    ResourceInfoList::const_iterator end = applicationCacheResources.end();

    ResourceInfoList::const_iterator it = applicationCacheResources.begin();

    for (int i = 0; it != end; ++it, i++)

        resources.set(i, buildObjectForApplicationCacheResource(*it));

    return resources;

}

ScriptObject InspectorApplicationCacheAgent::buildObjectForApplicationCacheResource(const ResourceInfo& resourceInfo)

{

    ScriptObject value = m_frontend->newScriptObject();

    value.set("name", resourceInfo.m_resource.string());

    value.set("size", resourceInfo.m_size);

    String types;

    if (resourceInfo.m_isMaster)

        types.append("Master ");

    if (resourceInfo.m_isManifest)

        types.append("Manifest ");

    if (resourceInfo.m_isFallback)

        types.append("Fallback ");

    if (resourceInfo.m_isForeign)

        types.append("Foreign ");

    if (resourceInfo.m_isExplicit)

        types.append("Explicit ");

    value.set("type", types);

    return value;

}

} // namespace WebCore

#endif // ENABLE(INSPECTOR) && ENABLE(OFFLINE_WEB_APPLICATIONS)