/*
This file contains proprietary software owned by Motorola Mobility, Inc.
No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.
(c) Copyright 2011 Motorola Mobility, Inc. All Rights Reserved.
*/
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//
var Montage = require("montage/core/core").Montage,
BaseDocumentView = require("js/document/views/base").BaseDocumentView;
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//
exports.DesignDocumentView = Montage.create(BaseDocumentView, {
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hasTemplate: {
value: false
},
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_callback: {
value: null
},
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_document: {
value: null
},
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//
_headFragment: {
value: null
},
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_observer: {
value: {head: null, body: null}
},
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content: {
value: null
},
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document: {
get: function() {return this._document;},
set: function(value) {this._document = value;}
},
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initialize: {
value: function (parent) {
//Creating iFrame for view
this.iframe = document.createElement("iframe");
//Setting default styles
this.iframe.style.border = "none";
this.iframe.style.background = "#FFF";
this.iframe.style.height = "100%";
this.iframe.style.width = "100%";
//Returning reference to iFrame created
return parent.appendChild(this.iframe);
}
},
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render: {
value: function (callback, template) {//TODO: Add support for templates
//Storing callback for dispatch ready
this._callback = callback;
//Adding listener to know when template is loaded to then load user content
this.iframe.addEventListener("load", this.onTemplateLoad.bind(this), false);
//TODO: Add source parameter and root (optional)
this.iframe.src = "js/document/templates/montage-web/index.html";
}
},
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onTemplateLoad: {
value: function (e) {
//Removing event
this.iframe.removeEventListener("load", this.onTemplateLoad.bind(this), false);
//TODO: Improve usage of this reference
this.document = this.iframe.contentWindow.document;
//Looping through template styles and marking them with ninja data attribute for I/O clean up
for (var k in this.document.styleSheets) {
if (this.document.styleSheets[k].ownerNode && this.document.styleSheets[k].ownerNode.setAttribute) {
this.document.styleSheets[k].ownerNode.setAttribute('data-ninja-template', 'true');
}
}
//Creating temp code fragement to load head
this._headFragment = this.document.createElement('head');
//Adding event listener to know when head is ready, event only dispatched once when using innerHTML
this._observer.head = new WebKitMutationObserver(this.insertHeadContent.bind(this));
this._observer.head.observe(this._headFragment, {childList: true});
//Inserting
HTML and parsing URLs via mediator method
this._headFragment.innerHTML = (this.content.head.replace(/\b(href|src)\s*=\s*"([^"]*)"/g, this.application.ninja.ioMediator.getNinjaPropUrlRedirect.bind(this.application.ninja.ioMediator))).replace(/url\(([^"]*)(.+?)\1\)/g, this.application.ninja.ioMediator.getNinjaPropUrlRedirect.bind(this.application.ninja.ioMediator));
//Adding event listener to know when the body is ready and make callback (using HTML5 new DOM Mutation Events)
this._observer.body = new WebKitMutationObserver(this.bodyContentLoaded.bind(this));
this._observer.body.observe(this.document.body, {childList: true});
//Inserting HTML and parsing URLs via mediator method
this.document.body.innerHTML += ''+(this.content.body.replace(/\b(href|src)\s*=\s*"([^"]*)"/g, this.application.ninja.ioMediator.getNinjaPropUrlRedirect.bind(this.application.ninja.ioMediator))).replace(/url\(([^"]*)(.+?)\1\)/g, this.application.ninja.ioMediator.getNinjaPropUrlRedirect.bind(this.application.ninja.ioMediator));
}
},
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insertHeadContent: {
value: function (e) {
//Removing event
this._observer.head.disconnect();
this._observer.head = null;
//Adding the loaded nodes from code fragment into actual document head
for(var i in this._headFragment.childNodes) {
//Minor hack to know node is actual HTML node
if(this._headFragment.childNodes[i].outerHTML) {
this.document.head.appendChild(this._headFragment.childNodes[i]);
}
}
//Garbage collection
this._headFragment = null;
}
},
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//
bodyContentLoaded: {
value: function (e) {
//Removing event, only needed on initial load
this._observer.body.disconnect();
this._observer.body = null;
//Removing loading container
this.document.body.removeChild(this.document.getElementsByTagName('ninjaloadinghack')[0]);
//Getting style and link tags in document
var stags = this.document.getElementsByTagName('style'),
ltags = this.document.getElementsByTagName('link'), i,
scripttags = this.document.getElementsByTagName('script');
//Temporarily checking for disabled special case (we must enabled for Ninja to access styles)
this.ninjaDisableAttribute(stags);
this.ninjaDisableAttribute(ltags);
//Looping through all link tags to reload into style tags
if(ltags.length > 0) {
for (i = 0; i < ltags.length; i++) {
//
if (ltags[i].href) {
//TODO: Verify this works for tags in body as well (working in head)
this.document.head.insertBefore(this.getStyleTagFromCssFile(ltags[i]), ltags[i]) || this.document.body.insertBefore(this.getStyleTagFromCssFile(ltags[i]), ltags[i]);
//Disabling tag once it has been reloaded
ltags[i].setAttribute('disabled', 'true');
} else {
//Error: TBD
//TODO: Determine what link tags would not have href data and error
}
}
}
//Checking and initializing webGL
if (scripttags.length > 0) {
this.initWebGl(scripttags);
} //Else there is not data to parse
//TODO: Load Montage Components (blocking)
//this.initMontage();
//Makign callback if specified
if (this._callback) this._callback();
}
},
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ninjaDisableAttribute: {
value: function (tags) {
//Looping through tags
for (var i = 0; i < tags.length; i++) {
if (tags[i].getAttribute('data-ninja-template') === null) {
if (tags[i].getAttribute('disabled')) {
tags[i].removeAttribute('disabled');
tags[i].setAttribute('data-ninja-disabled', 'true');
}
}
}
}
},
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//TODO: Move to url-parser helper class
getStyleTagFromCssFile: {
value: function (linktag) {
//
var tag, cssData,
//TODO: Remove usage of hack reference of URL
docRootUrl = this.application.ninja.coreIoApi.rootUrl+escape((this.application.ninja.documentController.documentHackReference.root.split(this.application.ninja.coreIoApi.cloudData.root)[1]).replace(/\/\//gi, '/'));
//Creating style tag to load CSS content into
tag = this.document.createElement('style');
tag.setAttribute('type', 'text/css');
//Checking for location of href to load (special case for cross-domain)
if (linktag.href.indexOf(this.application.ninja.coreIoApi.rootUrl) !== -1) {
//Loading data from file
cssData = this.urlParser.loadLocalStyleSheet(linktag.href);
//Setting properties of locally loaded styles
tag.setAttribute('data-ninja-uri', cssData.fileUri);
tag.setAttribute('data-ninja-file-url', cssData.cssUrl);
tag.setAttribute('data-ninja-file-read-only', cssData.writable);
tag.setAttribute('data-ninja-file-name', cssData.cssUrl.split('/')[cssData.cssUrl.split('/').length-1]);
} else {
//Cross-domain content
cssData = this.urlParser.loadExternalStyleSheet(linktag.href);
//Setting properties of externally loaded styles
tag.setAttribute('data-ninja-external-url', linktag.href);
tag.setAttribute('data-ninja-file-read-only', "true");
tag.setAttribute('data-ninja-file-name', linktag.href.split('/')[linktag.href.split('/').length-1]);
}
//Copying attributes to maintain same properties as the
for (var n in linktag.attributes) {
if (linktag.attributes[n].value && linktag.attributes[n].name !== 'disabled') {
if (linktag.attributes[n].value.indexOf(docRootUrl) !== -1) {
tag.setAttribute(linktag.attributes[n].name, linktag.attributes[n].value.split(docRootUrl)[1]);
} else {
tag.setAttribute(linktag.attributes[n].name, linktag.attributes[n].value);
}
}
}
//Setting content from loaded data
if (cssData.content) tag.innerHTML = cssData.content;
//Returning