tv_xiaoyouxi/games/dwy/cocos2d-html5-v2.2.3/cocos2d/CCTouchHandler.js

/****************************************************************************
 Copyright (c) 2010-2012 cocos2d-x.org
 Copyright (c) 2008-2010 Ricardo Quesada
 Copyright (c) 2011      Zynga Inc.

 http://www.cocos2d-x.org

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 all copies or substantial portions of the Software.

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/**
 * cc.TouchHandler
 * Object than contains the delegate and priority of the event handler.
 * @class
 * @extends cc.Class
 */
cc.TouchHandler = cc.Class.extend(/** @lends cc.TouchHandler# */{
    _delegate:null,
    _priority:0,
    _enabledSelectors:0,

    /**
     * @return {cc.TouchDelegate}
     */
    getDelegate:function () {
        return this._delegate;
    },

    /**
     * @param {cc.TouchDelegate} delegate
     */
    setDelegate:function (delegate) {
        this._delegate = delegate;
    },

    /**
     * @return {Number}
     */
    getPriority:function () {
        return this._priority;
    },

    /**
     * @param {Number} priority
     */
    setPriority:function (priority) {
        this._priority = priority;
    },

    /**
     *  Enabled selectors
     * @return {Number}
     */
    getEnabledSelectors:function () {
        return this._enabledSelectors;
    },

    /**
     * @param {Number} value
     */
    setEnalbedSelectors:function (value) {
        this._enabledSelectors = value;
    },

    /**
     * initializes a TouchHandler with a delegate and a priority
     * @param {cc.TouchDelegate} delegate
     * @param {Number} priority
     * @return {Boolean}
     */
    initWithDelegate:function (delegate, priority) {
        if(!delegate)
             throw "cc.TouchHandler.initWithDelegate(): touch delegate should not be null";
        this._delegate = delegate;
        this._priority = priority;
        this._enabledSelectors = 0;
        return true;
    }
});

/**
 *  Create a TouchHandler with a delegate and a priority
 * @param {cc.TouchDelegate} delegate
 * @param {Number} priority
 * @return {cc.TouchHandler}
 */
cc.TouchHandler.create = function (delegate, priority) {
    var handler = new cc.TouchHandler();
    if (handler) {
        handler.initWithDelegate(delegate, priority);
    }
    return handler;
};

/**
 * cc.StandardTouchHandler
 * It forwardes each event to the delegate.
 * @class
 * @extends cc.TouchHandler
 */
cc.StandardTouchHandler = cc.TouchHandler.extend(/** @lends cc.StandardTouchHandler# */{
    /**
     * Initializes a TouchHandler with a delegate and a priority
     * @param {cc.TouchDelegate} delegate
     * @param {Number} priority
     * @return {Boolean}
     */
    initWithDelegate:function (delegate, priority) {
        return cc.TouchHandler.prototype.initWithDelegate.call(this, delegate, priority);
    }
});

/**
 * Create a TouchHandler with a delegate and a priority
 * @param {Object} delegate
 * @param {Number} priority
 * @return {cc.StandardTouchHandler}
 */
cc.StandardTouchHandler.create = function (delegate, priority) {
    var handler = new cc.StandardTouchHandler();
    if (handler) {
        handler.initWithDelegate(delegate, priority);
    }
    return handler;
};

/**
 * @class
 * @extends cc.TouchHandler
 */
cc.TargetedTouchHandler = cc.TouchHandler.extend(/** @lends cc.TargetedTouchHandler# */{
    _swallowsTouches:false,
    _claimedTouches:null,

    /**
     * Whether or not the touches are swallowed
     * @return {Boolean}
     */
    isSwallowsTouches:function () {
        return this._swallowsTouches;
    },

    /**
     * @param {Boolean} swallowsTouches
     */
    setSwallowsTouches:function (swallowsTouches) {
        this._swallowsTouches = swallowsTouches;
    },

    /**
     * MutableSet that contains the claimed touches
     * @return {Array}
     */
    getClaimedTouches:function () {
        return this._claimedTouches;
    },

    /**
     * Initializes a TargetedTouchHandler with a delegate, a priority and whether or not it swallows touches or not
     * @param {cc.TouchDelegate} delegate
     * @param {Number} priority
     * @param {Boolean} swallow
     * @return {Boolean}
     */
    initWithDelegate:function (delegate, priority, swallow) {
        if (cc.TouchHandler.prototype.initWithDelegate.call(this, delegate, priority)) {
            this._claimedTouches = [];
            this._swallowsTouches = swallow;
            return true;
        }
        return false;
    }
});

/**
 * Create a TargetedTouchHandler with a delegate, a priority and whether or not it swallows touches or not
 * @param {Object} delegate
 * @param {Number} priority
 * @param {Boolean} swallow
 * @return {cc.TargetedTouchHandler}
 */
cc.TargetedTouchHandler.create = function (delegate, priority, swallow) {
    var handler = new cc.TargetedTouchHandler();
    if (handler) {
        handler.initWithDelegate(delegate, priority, swallow);
    }
    return handler;
};