Source/WebKit2/UIProcess/efl/DownloadManagerEfl.cpp

/*
 * Copyright (C) 2012 Intel Corporation. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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#include "config.h"
#include "DownloadManagerEfl.h"

#include "DownloadProxy.h"
#include "EwkViewImpl.h"
#include "WKContext.h"
#include "WKString.h"
#include "ewk_context_private.h"
#include "ewk_error_private.h"
#include "ewk_view.h"

using namespace EwkViewCallbacks;

namespace WebKit {

static inline DownloadManagerEfl* toDownloadManagerEfl(const void* clientInfo)
{
    return static_cast<DownloadManagerEfl*>(const_cast<void*>(clientInfo));
}

WKStringRef DownloadManagerEfl::decideDestinationWithSuggestedFilename(WKContextRef, WKDownloadRef wkDownload, WKStringRef filename, bool* /*allowOverwrite*/, const void* clientInfo)
{
    EwkDownloadJob* download = toDownloadManagerEfl(clientInfo)->downloadJob(toImpl(wkDownload)->downloadID());
    ASSERT(download);

    download->setSuggestedFileName(toImpl(filename)->string().utf8().data());

    // We send the new download signal on the Ewk_View only once we have received the response
    // and the suggested file name.
    download->viewImpl()->smartCallback<DownloadJobRequested>().call(download);

    // DownloadSoup expects the destination to be a URL.
    String destination = ASCIILiteral("file://") + String::fromUTF8(download->destination());

    return WKStringCreateWithUTF8CString(destination.utf8().data());
}

void DownloadManagerEfl::didReceiveResponse(WKContextRef, WKDownloadRef wkDownload, WKURLResponseRef wkResponse, const void* clientInfo)
{
    EwkDownloadJob* download = toDownloadManagerEfl(clientInfo)->downloadJob(toImpl(wkDownload)->downloadID());
    ASSERT(download);
    download->setResponse(EwkUrlResponse::create(wkResponse));
}

void DownloadManagerEfl::didCreateDestination(WKContextRef, WKDownloadRef wkDownload, WKStringRef /*path*/, const void* clientInfo)
{
    EwkDownloadJob* download = toDownloadManagerEfl(clientInfo)->downloadJob(toImpl(wkDownload)->downloadID());
    ASSERT(download);

    download->setState(EWK_DOWNLOAD_JOB_STATE_DOWNLOADING);
}

void DownloadManagerEfl::didReceiveData(WKContextRef, WKDownloadRef wkDownload, uint64_t length, const void* clientInfo)
{
    EwkDownloadJob* download = toDownloadManagerEfl(clientInfo)->downloadJob(toImpl(wkDownload)->downloadID());
    ASSERT(download);
    download->incrementReceivedData(length);
}

void DownloadManagerEfl::didFail(WKContextRef, WKDownloadRef wkDownload, WKErrorRef error, const void* clientInfo)
{
    DownloadManagerEfl* downloadManager = toDownloadManagerEfl(clientInfo);
    uint64_t downloadId = toImpl(wkDownload)->downloadID();
    EwkDownloadJob* download = downloadManager->downloadJob(downloadId);
    ASSERT(download);

    OwnPtr<Ewk_Error> ewkError = Ewk_Error::create(error);
    download->setState(EWK_DOWNLOAD_JOB_STATE_FAILED);
    Ewk_Download_Job_Error downloadError = { download, ewkError.get() };
    download->viewImpl()->smartCallback<DownloadJobFailed>().call(&downloadError);
    downloadManager->unregisterDownloadJob(downloadId);
}

void DownloadManagerEfl::didCancel(WKContextRef, WKDownloadRef wkDownload, const void* clientInfo)
{
    DownloadManagerEfl* downloadManager = toDownloadManagerEfl(clientInfo);
    uint64_t downloadId = toImpl(wkDownload)->downloadID();
    EwkDownloadJob* download = downloadManager->downloadJob(downloadId);
    ASSERT(download);

    download->setState(EWK_DOWNLOAD_JOB_STATE_CANCELLED);
    download->viewImpl()->smartCallback<DownloadJobCancelled>().call(download);
    downloadManager->unregisterDownloadJob(downloadId);
}

void DownloadManagerEfl::didFinish(WKContextRef, WKDownloadRef wkDownload, const void* clientInfo)
{
    DownloadManagerEfl* downloadManager = toDownloadManagerEfl(clientInfo);
    uint64_t downloadId = toImpl(wkDownload)->downloadID();
    EwkDownloadJob* download = downloadManager->downloadJob(downloadId);
    ASSERT(download);

    download->setState(EWK_DOWNLOAD_JOB_STATE_FINISHED);
    download->viewImpl()->smartCallback<DownloadJobFinished>().call(download);
    downloadManager->unregisterDownloadJob(downloadId);
}

DownloadManagerEfl::DownloadManagerEfl(EwkContext* context)
    : m_context(context)
{
    WKContextDownloadClient wkDownloadClient;
    memset(&wkDownloadClient, 0, sizeof(WKContextDownloadClient));

    wkDownloadClient.version = kWKContextDownloadClientCurrentVersion;
    wkDownloadClient.clientInfo = this;
    wkDownloadClient.didCancel = didCancel;
    wkDownloadClient.decideDestinationWithSuggestedFilename = decideDestinationWithSuggestedFilename;
    wkDownloadClient.didCreateDestination = didCreateDestination;
    wkDownloadClient.didReceiveResponse = didReceiveResponse;
    wkDownloadClient.didReceiveData = didReceiveData;
    wkDownloadClient.didFail = didFail;
    wkDownloadClient.didFinish = didFinish;

    WKContextSetDownloadClient(toAPI(context->webContext().get()), &wkDownloadClient);
}

void DownloadManagerEfl::registerDownload(DownloadProxy* download, EwkViewImpl* viewImpl)
{
    uint64_t downloadId = download->downloadID();
    if (m_downloadJobs.contains(downloadId))
        return;

    RefPtr<EwkDownloadJob> ewkDownload = EwkDownloadJob::create(download, viewImpl);
    m_downloadJobs.add(downloadId, ewkDownload);
}

EwkDownloadJob* DownloadManagerEfl::downloadJob(uint64_t id) const
{
    return m_downloadJobs.get(id).get();
}

void DownloadManagerEfl::unregisterDownloadJob(uint64_t id)
{
    m_downloadJobs.remove(id);
}

} // namespace WebKit