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|
wmpAppBanner = wmpAppBanner || {};
(function () {
/**
* @class Bar
* @constructor
*/
var Bar = function (options) {
this.initialize(options);
};
var p = Bar.prototype;
/**
* Public properties
*/
/**
* The DOM object to manage.
* @property htmlElement
* @type HTMLElement
*/
p.htmlElement = null;
p.iframe = null;
p.iframeUrl = null;
/**
* Initialization method.
* @method initialize
*/
p.initialize = function (options) {
var me = this;
this.createWrapper(options);
// add orientation change event
if ('onorientationchange' in window) {
// orientation change event functions
this.orientationchangeFn = function () {
setTimeout(function () {
me.resize();
}, 250);
};
window.addEventListener("orientationchange", this.orientationchangeFn, false);
}
else {
var mqOrientation = window.matchMedia("(orientation: portrait)");
// The Listener will fire whenever this either matches or ceases to match
mqOrientation.addListener(function (media) {
// portrait
if (media.matches) {
me.resize("portrait");
}
else {
me.resize("landscape");
}
}, false);
}
// add zoom event
this.touchendFn = function () {
clearTimeout(window.resizeEvt);
window.resizeEvt = setTimeout(function () {
//alert("resize");
me.resize();
}, 300);
};
window.resizeEvt;
window.addEventListener("touchleave", this.touchendFn, false);
window.addEventListener("touchcancel", this.touchendFn, false);
window.addEventListener("touchmove", this.touchendFn, false);
window.addEventListener("touchend", this.touchendFn, false);
};
/**
* Create wrapper (public method)
* @param options
*/
p.createWrapper = function (options) {
var wrapper = document.createElement("appticles-wrapper");
this.htmlElement = wrapper;
var height = Math.round(this.getHeight());
var shadow = Math.round(0.1 * height);
wrapper.style.position = "fixed";
wrapper.style.width = "100%";
wrapper.style.height = "0px";
wrapper.style.top = "0px";
wrapper.style.left = "0px";
wrapper.style.boxSizing = "border-box";
wrapper.style.zIndex = 1000000;
wrapper.style.display = "block";
wrapper.style.height = (height + shadow) + "px";
document.body.appendChild(wrapper);
var appName = options.appName || "";
var appUrl = options.appUrl || "";
var appIcon = options.appIcon || "";
var cssPath = options.cssPath || "";
var iframeUrl = this.iframeUrl = options.iframeUrl || "";
var originUrl = window.location.href;
var openAppButton = options.openAppButton || "";
var _dc = (new Date()).getTime();
var params = "cssPath=" + cssPath + "?_dc" + _dc;
params += "&height=" + height;
params += "&appName=" + encodeURIComponent(appName);
params += "&appUrl=" + encodeURIComponent(appUrl);
params += "&appIcon=" + appIcon;
params += "&originUrl=" + encodeURIComponent(originUrl);
params += "&openText=" + encodeURIComponent(openAppButton);
var html = [
'<iframe id="appticles-iframe-bar" width="100%" height="' + (height + shadow) + 'px" src="' + iframeUrl + '#' + params + '" frameborder="0" allowtransparency="true" scrolling="no" style="position:relative;"></iframe>'
].join("");
wrapper.innerHTML = html;
this.iframe = document.getElementById("appticles-iframe-bar");
};
/**
* Resize banner (public method)
*
* @param orientation
*/
p.resize = function (orientation) {
var wrapper = this.htmlElement;
if (wrapper == null) return;
// compute new wrapper height
var newH = Math.round(this.getHeight());
var shadow = Math.round(0.1 * newH);
wrapper.style.height = (newH + shadow) + "px";
// change iframe params
var params = "height=" + newH;
this.iframe.style.height = (newH + shadow) + "px";
this.iframe.src = this.iframeUrl + '#' + params;
};
/**
* Get height (public method)
*
* @param orientation
* @returns {number}
*/
p.getHeight = function (orientation) {
orientation = orientation || this.getOrientation();
var screenWidth, screenHeight, windowWidth, newH;
// resize wrapper
if (orientation == "portrait") {
screenWidth = Math.min(screen.width, screen.height);
screenHeight = Math.max(screen.width, screen.height);
windowWidth = window.innerWidth;
newH = 90 * (windowWidth / screenWidth);
return newH;
}
else if (orientation == "landscape") {
screenWidth = Math.max(screen.width, screen.height);
screenHeight = Math.min(screen.width, screen.height);
windowWidth = window.innerWidth;
newH = (90 * (windowWidth / screenHeight)) * (screenHeight / screenWidth);
return newH;
}
};
/**
* Destroy bar (public method)
*/
p.destroy = function () {
// remove the bar from HTML
var wrapper = this.htmlElement;
wrapper.parentNode.removeChild(wrapper);
this.htmlElement = null;
// remove orientation change event
if ('onorientationchange' in window) {
window.removeEventListener("orientationchange", this.orientationchangeFn);
}
// remove touch end event
window.removeEventListener("touchleave", this.touchendFn);
window.removeEventListener("touchcancel", this.touchendFn);
window.removeEventListener("touchmove", this.touchendFn);
window.removeEventListener("touchend", this.touchendFn);
window[this] = null;
delete this;
};
/**
* Get device orientation
*
* @return string (portrait | landscape)
*/
p.getOrientation = function () {
if (window.matchMedia("(orientation: portrait)").matches) {
return "portrait";
}
else if (window.matchMedia("(orientation: landscape)").matches) {
return "landscape";
}
};
wmpAppBanner.Bar = Bar;
}());
|
GitWeb