/*

 * Copyright (C) 2010 Apple 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.

 */

#ifndef WebContext_h

#define WebContext_h

#include "PluginInfoStore.h"

#include "ProcessModel.h"

#include "WebContextInjectedBundleClient.h"

#include <WebCore/PlatformString.h>

#include <wtf/Forward.h>

#include <wtf/HashSet.h>

#include <wtf/PassRefPtr.h>

#include <wtf/RefCounted.h>

#include <wtf/RefPtr.h>

struct WKContextStatistics;

namespace WebKit {

class WebPageNamespace;

class WebPageProxy;

class WebPreferences;

class WebProcessProxy;

class WebContext : public RefCounted<WebContext> {

public:

    static WebContext* sharedProcessContext();

    static WebContext* sharedThreadContext();

    static PassRefPtr<WebContext> create(const WebCore::String& injectedBundlePath)

    {

        return adoptRef(new WebContext(ProcessModelSecondaryProcess, injectedBundlePath));

    }

    ~WebContext();

    void initializeInjectedBundleClient(WKContextInjectedBundleClient*);

    ProcessModel processModel() const { return m_processModel; }

    WebProcessProxy* process() const { return m_process.get(); }

    WebPageProxy* createWebPage(WebPageNamespace*);

    void reviveIfNecessary();

    WebPageNamespace* createPageNamespace();

    void pageNamespaceWasDestroyed(WebPageNamespace*);

    void setPreferences(WebPreferences*);

    WebPreferences* preferences() const;

    void preferencesDidChange();

    const WebCore::String& injectedBundlePath() const { return m_injectedBundlePath; }

    // InjectedBundle client

    void didRecieveMessageFromInjectedBundle(const WebCore::String&);

    void postMessageToInjectedBundle(WebCore::StringImpl*);

    void getStatistics(WKContextStatistics* statistics);

    void setAdditionalPluginPath(const WebCore::String&);

    PluginInfoStore* pluginInfoStore() { return &m_pluginInfoStore; }

    WebCore::String applicationCacheDirectory();

private:

    WebContext(ProcessModel, const WebCore::String& injectedBundlePath);

    void ensureWebProcess();

    ProcessModel m_processModel;

    // FIXME: In the future, this should be one or more WebProcessProxies.

    RefPtr<WebProcessProxy> m_process;

    HashSet<WebPageNamespace*> m_pageNamespaces;

    RefPtr<WebPreferences> m_preferences;

    WebCore::String m_injectedBundlePath;

    WebContextInjectedBundleClient m_injectedBundleClient;

    PluginInfoStore m_pluginInfoStore;

};

} // namespace WebKit

#endif // WebContext_h