/*
 * Copyright 1999-2009 Haiku, Inc. All rights reserved.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *              Jeremy Friesner
 */
#ifndef _KEY_COMMAND_MAP_H
#define _KEY_COMMAND_MAP_H


#include <List.h>
#include <Locker.h>


#include <Looper.h>
#include <Messenger.h>
#include <Message.h>
#include <MessageFilter.h>
#include <Node.h>


// Maps BMessages to ShortcutsSpecs.
// The thread here gets file update messages, and updates
// the fSpecs list to match them (asynchronously).

class KeyCommandMap : public BLooper {
public:
                                                                KeyCommandMap(const char* watchFile);
        virtual                                         ~KeyCommandMap();

        // Called when a key is pressed or depressed, in the input_server thread.
        // * keyMessage is the KEY_DOWN message given by the Input Server.
        // * outList is a BList that additional BMessages can be added to (to insert
        //   events into the input stream.)
        // * sendMessagesTo is the address of a queue to send command messages to,
        //   for async effects.
                        filter_result           KeyEvent(const BMessage* keyMessage,
                                                                        BList* outList,
                                                                        const BMessenger& sendMessagesTo);

        // Called whenever the a B_MOUSE_MOVED message is received.
                        void                            MouseMessageReceived(const BMessage* message);
        virtual void                            MessageReceived(BMessage* message);
                        void                            DrainInjectedEvents(const BMessage* keyMessage,
                                                                        BList* outList,
                                                                        const BMessenger& sendMessagesTo);

private:
                        void                            _PutMessageToPort();
                        void                            _DeleteHKSList(BList* list);

                        port_id                         fPort;
                        char*                           fFileName;
                        node_ref                        fNodeRef;
                        BLocker                         fSyncSpecs;
        // locks the lists below
                        BList                           fInjects;
                        BList*                          fSpecs;
                        BMessage                        fLastMouseMessage;
};


#endif  // _KEY_COMMAND_MAP_H