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emulatorBridge.js
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emulatorBridge.js
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/*
* Copyright 2011 Research In Motion Limited.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
var platform = ripple('platform'),
builder = ripple('platform/builder'),
utils = ripple('utils'),
_xhr, _win, _doc;
function _getEmulatedViewportStyle(attr) {
var vp = document.getElementById("viewport-container");
return vp["client" + attr];
}
function _screenAvailWidth() {
return _getEmulatedViewportStyle("Width");
}
function _screenAvailHeight() {
return _getEmulatedViewportStyle("Height");
}
function _screenWidth() {
return _getEmulatedViewportStyle("Width");
}
function _screenHeight() {
return _getEmulatedViewportStyle("Height");
}
function _window_innerWidth() {
return _getEmulatedViewportStyle("Width");
}
function _window_innerHeight() {
return _getEmulatedViewportStyle("Height");
}
function _marshalScreen(win) {
utils.forEach({
"availWidth": _screenAvailWidth,
"availHeight": _screenAvailHeight,
"width": _screenWidth,
"height": _screenHeight
}, function (mappedFunc, prop) {
win.screen.__defineGetter__(prop, mappedFunc);
});
utils.forEach({
"innerWidth": _window_innerWidth,
"innerHeight": _window_innerHeight
}, function (mappedFunc, prop) {
win.__defineGetter__(prop, mappedFunc);
});
}
module.exports = {
init: function (win, doc) {
_win = win;
_doc = doc;
_xhr = win.XMLHttpRequest;
var marshal = function (obj, key) {
window[key] = win[key] = obj;
},
currentPlatform = platform.current(),
sandbox = {};
marshal(window.tinyHippos, "tinyHippos");
marshal(window.XMLHttpRequest, "XMLHttpRequest");
if (currentPlatform.initialize) {
currentPlatform.initialize(win);
}
builder.build(platform.current().objects).into(sandbox);
utils.forEach(sandbox, marshal);
_marshalScreen(win);
_marshalScreen(window);
},
document: function () {
return _doc;
},
window: function () {
return _win;
},
xhr: function () {
return _xhr;
}
};