/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set sw=4 ts=8 et tw=80 : */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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 * the License. You may obtain a copy of the License at
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 * The Original Code is Mozilla Content App.
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 * The Initial Developer of the Original Code is
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#ifndef mozilla_dom_ContentProcessParent_h
#define mozilla_dom_ContentProcessParent_h

#include "base/waitable_event_watcher.h"

#include "mozilla/dom/PContentProcessParent.h"
#include "mozilla/ipc/GeckoChildProcessHost.h"

#include "nsIObserver.h"
#include "mozilla/Monitor.h"

namespace mozilla {

namespace ipc {
class TestShellParent;
}

namespace dom {

class TabParent;

class ContentProcessParent : private PContentProcessParent,
                             public base::WaitableEventWatcher::Delegate,
                             public nsIObserver
{
private:
    typedef mozilla::ipc::GeckoChildProcessHost GeckoChildProcessHost;

public:
    static ContentProcessParent* GetSingleton();

#if 0
    // TODO: implement this somewhere!
    static ContentProcessParent* FreeSingleton();
#endif

    NS_DECL_ISUPPORTS
    NS_DECL_NSIOBSERVER

    virtual void OnWaitableEventSignaled(base::WaitableEvent *event);

    TabParent* CreateTab(const MagicWindowHandle& hwnd);
    mozilla::ipc::TestShellParent* CreateTestShell();

private:
    static ContentProcessParent* gSingleton;

    // Hide the raw constructor methods since we don't want client code
    // using them.
    using PContentProcessParent::SendPIFrameEmbeddingConstructor;
    using PContentProcessParent::SendPTestShellConstructor;

    ContentProcessParent();
    virtual ~ContentProcessParent();

    virtual PIFrameEmbeddingParent* PIFrameEmbeddingConstructor(
            const MagicWindowHandle& parentWidget);
    virtual bool PIFrameEmbeddingDestructor(PIFrameEmbeddingParent* frame);

    virtual PTestShellParent* PTestShellConstructor();
    virtual bool PTestShellDestructor(PTestShellParent* shell);

    virtual PNeckoParent* PNeckoConstructor();
    virtual bool PNeckoDestructor(PNeckoParent* necko);

    mozilla::Monitor mMonitor;

    GeckoChildProcessHost* mSubprocess;
};

} // namespace dom
} // namespace mozilla

#endif