tv_xiaoyouxi/games/dwy/cocos2d-html5-v2.2.3/cocos2d/CCTouchDelegateProtocol.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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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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/**
 * The data of touch event
 * @class
 * @extends cc.Class
 */
cc.Touch = cc.Class.extend(/** @lends cc.Touch# */{
    _point:null,
    _prevPoint:cc.PointZero(),
    _id:0,

    /**
     * Constructor
     */
    ctor:function (x, y, id) {
        this._point = cc.p(x || 0, y || 0);
        this._id = id || 0;
    },

    /**
     * get point of touch
     * @return {cc.Point}
     */
    getLocation:function () {
        return this._point;
    },

    /**
     * @return {cc.Point}
     */
    getPreviousLocation:function () {
        return this._prevPoint;
    },

    /**
     * @return {cc.Point}
     */
    getDelta:function () {
        return cc.pSub(this._point, this._prevPoint);
    },

    /**
     * @return {Number}
     */
    getID:function () {
        return this._id;
    },

    /**
     * @return {Number}
     */
    getId:function () {
        return this._id;
    },

    /**
     * set information to touch
     * @param {Number} id
     * @param  {Number} x
     * @param  {Number} y
     */
    setTouchInfo:function (id, x, y) {
        this._prevPoint = this._point;
        this._point = cc.p(x || 0, y || 0);
        this._id = id;
    },

    _setPrevPoint:function (x, y) {
        this._prevPoint = cc.p(x || 0, y || 0);
    }
});

/**
 * @class
 * @extends cc.Class
 */
cc.TouchDelegate = cc.Class.extend(/** @lends cc.TouchDelegate# */{
    _eventTypeFuncMap:null,

    /**
     * Virtual function
     * @param {cc.Touch} touch
     * @param {event} event
     * @return {Boolean}
     */
    onTouchBegan:function (touch, event) {
        return false;
    },

    /**
     * Virtual function
     * @param {cc.Touch} touch
     * @param {event} event
     */
    onTouchMoved:function (touch, event) {
    },

    /**
     * Virtual function
     * @param {cc.Touch} touch
     * @param {event} event
     */
    onTouchEnded:function (touch, event) {
    },

    /**
     * Virtual function
     * @param {cc.Touch} touch
     * @param {event} event
     */
    onTouchCancelled:function (touch, event) {
    },

    /**
     * Virtual function
     * @param {Array} touches
     * @param {event} event
     */
    onTouchesBegan:function (touches, event) {
    },

    /**
     * Virtual function
     * @param {Array} touches
     * @param {event} event
     */
    onTouchesMoved:function (touches, event) {
    },

    /**
     * Virtual function
     * @param {Array} touches
     * @param {event} event
     */
    onTouchesEnded:function (touches, event) {
    },

    /**
     * Virtual function
     * @param {Array} touches
     * @param {event} event
     */
    onTouchesCancelled:function (touches, event) {
    },

    /*
     * In TouchesTest, class Padle inherits from cc.Sprite and cc.TargetedTouchDelegate.
     * When it invoke  cc.registerTargetedDelegate(0, true, this),
     * it will crash in cc.TouchHandler.initWithDelegate() because of dynamic_cast() on android.
     * I don't know why, so add these functions for the subclass to invoke it's own retain() and  release
     *Virtual function
     */
    touchDelegateRetain:function () {
    },

    /**
     * Virtual function
     */
    touchDelegateRelease:function () {
    }
});

/**
 * Using this type of delegate results in two benefits:
 * - 1. You don't need to deal with cc.Sets, the dispatcher does the job of splitting
 * them. You get exactly one UITouch per call.
 * - 2. You can *claim* a UITouch by returning YES in onTouchBegan. Updates of claimed
 * touches are sent only to the delegate(s) that claimed them. So if you get a move/
 * ended/cancelled update you're sure it's your touch. This frees you from doing a
 * lot of checks when doing multi-touch.
 *
 * (The name TargetedTouchDelegate relates to updates "targeting" their specific
 * handler, without bothering the other handlers.)
 * @class
 * @extends cc.Class
 */
cc.TargetedTouchDelegate = cc.TouchDelegate.extend(/** @lends cc.TargetedTouchDelegate# */{

    /**
     * Return YES to claim the touch.
     * @param {cc.Touch} touch
     * @param {event} event
     * @return {Boolean}
     */
    onTouchBegan:function (touch, event) {
        return false;
    },

    /**
     * Virtual function
     * @param {cc.Touch} touch
     * @param {event} event
     */
    onTouchMoved:function (touch, event) {
    },

    /**
     * Virtual function
     * @param {cc.Touch} touch
     * @param {event} event
     */
    onTouchEnded:function (touch, event) {
    },

    /**
     * Virtual function
     * @param {cc.Touch} touch
     * @param {event} event
     */
    onTouchCancelled:function (touch, event) {
    }
});

/**
 * This type of delegate is the same one used by CocoaTouch. You will receive all the events (Began,Moved,Ended,Cancelled).
 * @class
 * @extends cc.Class
 */
cc.StandardTouchDelegate = cc.TouchDelegate.extend(/** @lends cc.StandardTouchDelegate# */{

    /**
     * Virtual function
     * @param {Array} touches
     * @param {event} event
     */
    onTouchesBegan:function (touches, event) {
    },

    /**
     * Virtual function
     * @param {Array} touches
     * @param {event} event
     */
    onTouchesMoved:function (touches, event) {
    },

    /**
     * Virtual function
     * @param {Array} touches
     * @param {event} event
     */
    onTouchesEnded:function (touches, event) {
    },

    /**
     * Virtual function
     * @param {Array} touches
     * @param {event} event
     */
    onTouchesCancelled:function (touches, event) {
    }
});