iOS Titanium SDK 3.0.0でWebViewに追加されるJavascript。 https://github.com/appcelerator/titanium_mobile/blob/master/iphone/Classes/TiUIWebView.m

webview.js

Ti.App = {};
Ti.API = {};
Ti.App._listeners = {};
Ti.App._listener_id = 1;
Ti.App.id = Ti.appId;
Ti.App._xhr = XMLHttpRequest;
Ti._broker = function (module, method, data) {
    try {
        var url = 'app://' + Ti.appId + '/_TiA0_' + Ti.pageToken + '/' + module + '/' + method + '?' + Ti.App._JSON(data, 1);
        var xhr = new Ti.App._xhr();
        xhr.open('GET', url, false);
        xhr.send()
    } catch (X) {}
};
Ti._hexish = function (a) {
    var r = '';
    var e = a.length;
    var c = 0;
    var h;
    while (c < e) {
        h = a.charCodeAt(c++).toString(16);
        r += '\\\\u';
        var l = 4 - h.length;
        while (l-- > 0) {
            r += '0'
        };
        r += h
    }
    return r
};
Ti._bridgeEnc = function (o) {
    return '<' + Ti._hexish(o) + '>'
};
Ti.App._JSON = function (object, bridge) {
    var type = typeof object;
    switch (type) {
        case 'undefined':
        case 'function':
        case 'unknown':
            return undefined;
        case 'number':
        case 'boolean':
            return object;
        case 'string':
            if (bridge === 1) return Ti._bridgeEnc(object);
            return '\"' + object.replace(/\"/g, '\\\\\"').replace(/\\n/g, '\\\\n').replace(/\\r/g, '\\\\r') + '\"'
    }
    if ((object === null) || (object.nodeType == 1)) return 'null';
    if (object.constructor.toString().indexOf('Date') != -1) {
        return 'new Date(' + object.getTime() + ')'
    }
    if (object.constructor.toString().indexOf('Array') != -1) {
        var res = '[';
        var pre = '';
        var len = object.length;
        for (var i = 0; i < len; i++) {
            var value = object[i];
            if (value !== undefined) value = Ti.App._JSON(value, bridge);
            if (value !== undefined) {
                res += pre + value;
                pre = ', '
            }
        }
        return res + ']'
    }
    var objects = [];
    for (var prop in object) {
        var value = object[prop];
        if (value !== undefined) {
            value = Ti.App._JSON(value, bridge)
        }
        if (value !== undefined) {
            objects.push(Ti.App._JSON(prop, bridge) + ': ' + value)
        }
    }
    return '{' + objects.join(',') + '}'
};
Ti.App._dispatchEvent = function (type, evtid, evt) {
    var listeners = Ti.App._listeners[type];
    if (listeners) {
        for (var c = 0; c < listeners.length; c++) {
            var entry = listeners[c];
            if (entry.id == evtid) {
                entry.callback.call(entry.callback, evt)
            }
        }
    }
};
Ti.App.fireEvent = function (name, evt) {
    Ti._broker('App', 'fireEvent', {
        name: name,
        event: evt
    })
};
Ti.API.log = function (a, b) {
    Ti._broker('API', 'log', {
        level: a,
        message: b
    })
};
Ti.API.debug = function (e) {
    Ti._broker('API', 'log', {
        level: 'debug',
        message: e
    })
};
Ti.API.error = function (e) {
    Ti._broker('API', 'log', {
        level: 'error',
        message: e
    })
};
Ti.API.info = function (e) {
    Ti._broker('API', 'log', {
        level: 'info',
        message: e
    })
};
Ti.API.fatal = function (e) {
    Ti._broker('API', 'log', {
        level: 'fatal',
        message: e
    })
};
Ti.API.warn = function (e) {
    Ti._broker('API', 'log', {
        level: 'warn',
        message: e
    })
};
Ti.App.addEventListener = function (name, fn) {
    var listeners = Ti.App._listeners[name];
    if (typeof (listeners) == 'undefined') {
        listeners = [];
        Ti.App._listeners[name] = listeners
    }
    var newid = Ti.pageToken + Ti.App._listener_id++;
    listeners.push({
        callback: fn,
        id: newid
    });
    Ti._broker('App', 'addEventListener', {
        name: name,
        id: newid
    })
};
Ti.App.removeEventListener = function (name, fn) {
    var listeners = Ti.App._listeners[name];
    if (listeners) {
        for (var c = 0; c < listeners.length; c++) {
            var entry = listeners[c];
            if (entry.callback == fn) {
                listeners.splice(c, 1);
                Ti._broker('App', 'removeEventListener', {
                    name: name,
                    id: entry.id
                });
                break
            }
        }
    }
};;