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


#include "ShortcutsServerFilter.h"

#include <Path.h>
#include <FindDirectory.h>

#include "KeyCommandMap.h"
#include "KeyInfos.h"
#include "CommandExecutor.h"
#include "ShortcutsFilterConstants.h"


class BInputServerFilter;


// Called by input_server on startup. Must be exported as a "C" function!
BInputServerFilter* instantiate_input_filter()
{
        return new ShortcutsServerFilter;
}


ShortcutsServerFilter::ShortcutsServerFilter()
        :
        fExecutor(new CommandExecutor)
{
        BPath path;
        if (find_directory(B_USER_SETTINGS_DIRECTORY, &path) == B_OK)
                path.Append(SHORTCUTS_SETTING_FILE_NAME);

        fMap = new KeyCommandMap(path.Path());

        InitKeyIndices();
        fMessenger = BMessenger(fExecutor);
        fMap->Run();
        fExecutor->Run();
}


ShortcutsServerFilter::~ShortcutsServerFilter()
{
        if (fMap->Lock())
                fMap->Quit();

        if (fExecutor->Lock())
                fExecutor->Quit();
}


status_t
ShortcutsServerFilter::InitCheck()
{
        return B_OK;
}


filter_result
ShortcutsServerFilter::Filter(BMessage* message, BList* outList)
{
        filter_result result = B_DISPATCH_MESSAGE;

        switch(message->what) {
                case B_KEY_DOWN:
                case B_KEY_UP:
                case B_UNMAPPED_KEY_DOWN:
                case B_UNMAPPED_KEY_UP:
                        result = fMap->KeyEvent(message, outList, fMessenger);
                        break;

                case B_MOUSE_MOVED:
                case B_MOUSE_UP:
                case B_MOUSE_DOWN:
                        fMap->MouseMessageReceived(message);
                        break;
        }
        fMap->DrainInjectedEvents(message, outList, fMessenger);

        return result;
}