tv_xiaoyouxi/games/symdsb/frameworks/cocos2d-html5/CCEvent.js

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 Copyright (c) 2013-2014 Chukong Technologies Inc.

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/**
 * Base class of all kinds of events.
 * @class
 * @extends cc.Class
 */
cc.Event = cc.Class.extend(/** @lends cc.Event# */{
    _type: 0,                                   //  Event type
    _isStopped: false,                         //< whether the event has been stopped.
    _currentTarget: null,                       //< Current target

    _setCurrentTarget: function (target) {
        this._currentTarget = target;
    },

    ctor: function (type) {
        this._type = type;
    },

    /**
     * Gets the event type
     * @function
     * @returns {Number}
     */
    getType: function () {
        return this._type;
    },

    /**
     * Stops propagation for current event
     * @function
     */
    stopPropagation: function () {
        this._isStopped = true;
    },

    /**
     * Checks whether the event has been stopped
     * @function
     * @returns {boolean}
     */
    isStopped: function () {
        return this._isStopped;
    },

    /**
     * <p>
     *     Gets current target of the event                                                            <br/>
     *     note: It only be available when the event listener is associated with node.                <br/>
     *          It returns 0 when the listener is associated with fixed priority.
     * </p>
     * @function
     * @returns {cc.Node}  The target with which the event associates.
     */
    getCurrentTarget: function () {
        return this._currentTarget;
    }
});

//event type
/**
 * The type code of Touch event.
 * @constant
 * @type {number}
 */
cc.Event.TOUCH = 0;
/**
 * The type code of Keyboard event.
 * @constant
 * @type {number}
 */
cc.Event.KEYBOARD = 1;
/**
 * The type code of Acceleration event.
 * @constant
 * @type {number}
 */
cc.Event.ACCELERATION = 2;
/**
 * The type code of Mouse event.
 * @constant
 * @type {number}
 */
cc.Event.MOUSE = 3;
/**
 * The type code of Custom event.
 * @constant
 * @type {number}
 */
cc.Event.CUSTOM = 4;

/**
 * The Custom event
 * @class
 * @extends cc.Event
 */
cc.EventCustom = cc.Event.extend(/** @lends cc.EventCustom# */{
    _eventName: null,
    _userData: null,                                 // User data

    ctor: function (eventName) {
        cc.Event.prototype.ctor.call(this, cc.Event.CUSTOM);
        this._eventName = eventName;
    },

    /**
     * Sets user data
     * @param {*} data
     */
    setUserData: function (data) {
        this._userData = data;
    },

    /**
     * Gets user data
     * @returns {*}
     */
    getUserData: function () {
        return this._userData;
    },

    /**
     * Gets event name
     * @returns {String}
     */
    getEventName: function () {
        return this._eventName;
    }
});

/**
 * The mouse event
 * @class
 * @extends cc.Event
 */
cc.EventMouse = cc.Event.extend(/** @lends cc.EventMouse# */{
    _eventType: 0,
    _button: 0,
    _x: 0,
    _y: 0,
    _prevX: 0,
    _prevY: 0,
    _scrollX: 0,
    _scrollY: 0,

    ctor: function (eventType) {
        cc.Event.prototype.ctor.call(this, cc.Event.MOUSE);
        this._eventType = eventType;
    },

    /**
     * Sets scroll data
     * @param {number} scrollX
     * @param {number} scrollY
     */
    setScrollData: function (scrollX, scrollY) {
        this._scrollX = scrollX;
        this._scrollY = scrollY;
    },

    /**
     * Returns the x axis scroll value
     * @returns {number}
     */
    getScrollX: function () {
        return this._scrollX;
    },

    /**
     * Returns the y axis scroll value
     * @returns {number}
     */
    getScrollY: function () {
        return this._scrollY;
    },

    /**
     * Sets cursor location
     * @param {number} x
     * @param {number} y
     */
    setLocation: function (x, y) {
        this._x = x;
        this._y = y;
    },

	/**
	 * Returns cursor location
	 * @return {cc.Point} location
	 */
    getLocation: function () {
        return {x: this._x, y: this._y};
    },

	/**
	 * Returns the current cursor location in screen coordinates
	 * @return {cc.Point}
	 */
	getLocationInView: function() {
		return {x: this._x, y: cc.view._designResolutionSize.height - this._y};
	},

    _setPrevCursor: function (x, y) {
        this._prevX = x;
        this._prevY = y;
    },

    /**
     * Returns the delta distance from the previous location to current location
     * @return {cc.Point}
     */
    getDelta: function () {
        return {x: this._x - this._prevX, y: this._y - this._prevY};
    },

    /**
     * Returns the X axis delta distance from the previous location to current location
     * @return {Number}
     */
    getDeltaX: function () {
        return this._x - this._prevX;
    },

    /**
     * Returns the Y axis delta distance from the previous location to current location
     * @return {Number}
     */
    getDeltaY: function () {
        return this._y - this._prevY;
    },

    /**
     * Sets mouse button
     * @param {number} button
     */
    setButton: function (button) {
        this._button = button;
    },

    /**
     * Returns mouse button
     * @returns {number}
     */
    getButton: function () {
        return this._button;
    },

    /**
     * Returns location X axis data
     * @returns {number}
     */
    getLocationX: function () {
        return this._x;
    },

    /**
     * Returns location Y axis data
     * @returns {number}
     */
    getLocationY: function () {
        return this._y;
    }
});

//Different types of MouseEvent
/**
 * The none event code of  mouse event.
 * @constant
 * @type {number}
 */
cc.EventMouse.NONE = 0;
/**
 * The event type code of mouse down event.
 * @constant
 * @type {number}
 */
cc.EventMouse.DOWN = 1;
/**
 * The event type code of mouse up event.
 * @constant
 * @type {number}
 */
cc.EventMouse.UP = 2;
/**
 * The event type code of mouse move event.
 * @constant
 * @type {number}
 */
cc.EventMouse.MOVE = 3;
/**
 * The event type code of mouse scroll event.
 * @constant
 * @type {number}
 */
cc.EventMouse.SCROLL = 4;

/**
 * The tag of Mouse left button
 * @constant
 * @type {Number}
 */
cc.EventMouse.BUTTON_LEFT = 0;

/**
 * The tag of Mouse right button  (The right button number is 2 on browser)
 * @constant
 * @type {Number}
 */
cc.EventMouse.BUTTON_RIGHT = 2;

/**
 * The tag of Mouse middle button  (The right button number is 1 on browser)
 * @constant
 * @type {Number}
 */
cc.EventMouse.BUTTON_MIDDLE = 1;

/**
 * The tag of Mouse button 4
 * @constant
 * @type {Number}
 */
cc.EventMouse.BUTTON_4 = 3;

/**
 * The tag of Mouse button 5
 * @constant
 * @type {Number}
 */
cc.EventMouse.BUTTON_5 = 4;

/**
 * The tag of Mouse button 6
 * @constant
 * @type {Number}
 */
cc.EventMouse.BUTTON_6 = 5;

/**
 * The tag of Mouse button 7
 * @constant
 * @type {Number}
 */
cc.EventMouse.BUTTON_7 = 6;

/**
 * The tag of Mouse button 8
 * @constant
 * @type {Number}
 */
cc.EventMouse.BUTTON_8 = 7;

/**
 * The touch event
 * @class
 * @extends cc.Event
 */
cc.EventTouch = cc.Event.extend(/** @lends cc.EventTouch# */{
    _eventCode: 0,
    _touches: null,

    ctor: function (arr) {
        cc.Event.prototype.ctor.call(this, cc.Event.TOUCH);
        this._touches = arr || [];
    },

    /**
     * Returns event code
     * @returns {number}
     */
    getEventCode: function () {
        return this._eventCode;
    },

    /**
     * Returns touches of event
     * @returns {Array}
     */
    getTouches: function () {
        return this._touches;
    },

    _setEventCode: function (eventCode) {
        this._eventCode = eventCode;
    },

    _setTouches: function (touches) {
        this._touches = touches;
    }
});

/**
 * The maximum touch numbers
 * @constant
 * @type {Number}
 */
cc.EventTouch.MAX_TOUCHES = 5;

cc.EventTouch.EventCode = {BEGAN: 0, MOVED: 1, ENDED: 2, CANCELLED: 3};