aboutsummaryrefslogtreecommitdiff
path: root/js/document/views/design.js
blob: fea607eff646310f0815b5d926a351cf0a558c11 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
/* <copyright>
This file contains proprietary software owned by Motorola Mobility, Inc.<br/>
No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>
(c) Copyright 2011 Motorola Mobility, Inc.  All Rights Reserved.
</copyright> */

////////////////////////////////////////////////////////////////////////
//
var Montage = 			require("montage/core/core").Montage,
	BaseDocumentView = 	require("js/document/views/base").BaseDocumentView,
    ElementModel =      require("js/models/element-model");
////////////////////////////////////////////////////////////////////////
//	
exports.DesignDocumentView = Montage.create(BaseDocumentView, {
	////////////////////////////////////////////////////////////////////
	//
	hasTemplate: {
        value: false
    },
    ////////////////////////////////////////////////////////////////////
	//
    _callback: {
    	value: null
    },
    ////////////////////////////////////////////////////////////////////
	//
    _viewCallback: {
        value: null
    },
    ////////////////////////////////////////////////////////////////////
	//
    _template: {
    	value: null
    },
    ////////////////////////////////////////////////////////////////////
	//
	_bodyFragment: {
        value: null
    },
    ////////////////////////////////////////////////////////////////////
	//
	_headFragment: {
        value: null
    },
    ////////////////////////////////////////////////////////////////////
	//
	_observer: {
        value: {head: null, body: null}
    },
    ////////////////////////////////////////////////////////////////////
	//
	content: {
        value: null
    },
    ////////////////////////////////////////////////////////////////////
    //
    _liveNodeList: {
        value: null
    },
    ////////////////////////////////////////////////////////////////////
    //
    _webGlHelper: {
        value: null
    },
    ////////////////////////////////////////////////////////////////////
    //
    _baseHref: {
        value: null
    },
    ////////////////////////////////////////////////////////////////////
	//
    baseHref: {
        get: function() {return this._baseHref;},
        set: function(value) {this._baseHref = value;}
    },
    ////////////////////////////////////////////////////////////////////
	//
	_document: {
        value: null
    },
    ////////////////////////////////////////////////////////////////////
	//
    document: {
        get: function() {return this._document;},
        set: function(value) {this._document = value;}
    },
    ////////////////////////////////////////////////////////////////////
	//
    _documentRoot: {
        value: null
    },
    ////////////////////////////////////////////////////////////////////
	//
    documentRoot: {
        get: function() {return this._documentRoot;},
        set: function(value) {this._documentRoot = value;}
    },
    ////////////////////////////////////////////////////////////////////
    //
    getLiveNodeList: {
        value: function(useFilter) {
            if(useFilter) {
                var filteredNodes = [],
                    childNodes = Array.prototype.slice.call(this._liveNodeList, 0);

                childNodes.forEach(function(item) {
                    if( (item.nodeType === 1) && (item.nodeName !== "STYLE") && (item.nodeName !== "SCRIPT")) {
                        filteredNodes.push(item);
                    }
                });
                return filteredNodes;
            } else {
                return Array.prototype.slice.call(this._liveNodeList, 0);
            }
        }
    },
    ////////////////////////////////////////////////////////////////////
    //
	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);
        }
    },
    ////////////////////////////////////////////////////////////////////
	//
	render: {
        value: function (callback, template, viewCallback) {
        	//TODO: Remove, this is a temp patch for webRequest API gate
        	this.application.ninja.documentController.redirectRequests = false;
        	//Storing callback for dispatch ready
        	this._callback = callback;
        	this._template = template;
            this._viewCallback = viewCallback;
        	//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)
			if (template && template.type === 'banner' && template.size) {
        		this.iframe.src = "js/document/templates/banner/index.html";
        	} else {
	        	this.iframe.src = "js/document/templates/html/index.html";
	        }
        }
    },
    ////////////////////////////////////////////////////////////////////
	//
    onTemplateLoad: {
        value: function (e) {
        	//TODO: Remove, this is a temp patch for webRequest API gate
        	this.application.ninja.documentController.redirectRequests = true;
        	//TODO: Add support to constructing URL with a base HREF
        	var basetag = this.content.document.getElementsByTagName('base');
        	//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');
            	}
            }
            //Checking for a base URL
            if (basetag.length) {
            	if (basetag[basetag.length-1].getAttribute && basetag[basetag.length-1].getAttribute('href')) {
            		//Setting base HREF in model
        			this.baseHref = basetag[basetag.length-1].getAttribute('href');
        		}
        	}
        	//Checking to content to be template
        	if (this._template) {
        		if (this._template.type === 'banner') {
        			//Loading contents into a fragment
        			this._bodyFragment = this.document.createElement('body');
        			//Listening for content to be ready
        			this._observer.body = new WebKitMutationObserver(this.insertBannerContent.bind(this));
    	    		this._observer.body.observe(this._bodyFragment, {childList: true});
	        		//Inserting <body> HTML and parsing URLs via mediator method
        			this._bodyFragment.innerHTML = '<ninjaloadinghack></ninjaloadinghack>'+(this.content.body.replace(/\b(href|src)\s*=\s*"([^"]*)"/g, this.application.ninja.ioMediator.tmplt.getNinjaPropUrlRedirect.bind(this.application.ninja.ioMediator.tmplt))).replace(/url\(([^"]*)(.+?)\1\)/g, this.application.ninja.ioMediator.tmplt.getNinjaPropUrlRedirect.bind(this.application.ninja.ioMediator.tmplt));
    	    	}
        	} else {
    	    	//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 <head> HTML and parsing URLs via mediator method
        		this._headFragment.innerHTML = (this.content.head.replace(/\b(href|src)\s*=\s*"([^"]*)"/g, this.application.ninja.ioMediator.tmplt.getNinjaPropUrlRedirect.bind(this.application.ninja.ioMediator.tmplt))).replace(/url\(([^"]*)(.+?)\1\)/g, this.application.ninja.ioMediator.tmplt.getNinjaPropUrlRedirect.bind(this.application.ninja.ioMediator.tmplt));
        		//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 <body> HTML and parsing URLs via mediator method
        		this.document.body.innerHTML += '<ninjaloadinghack></ninjaloadinghack>'+(this.content.body.replace(/\b(href|src)\s*=\s*"([^"]*)"/g, this.application.ninja.ioMediator.tmplt.getNinjaPropUrlRedirect.bind(this.application.ninja.ioMediator.tmplt))).replace(/url\(([^"]*)(.+?)\1\)/g, this.application.ninja.ioMediator.tmplt.getNinjaPropUrlRedirect.bind(this.application.ninja.ioMediator.tmplt));
    	    	//Copying attributes to maintain same properties as the <body>
				for (var n in this.content.document.body.attributes) {
					if (this.content.document.body.attributes[n].value) {
						this.document.body.setAttribute(this.content.document.body.attributes[n].name, this.content.document.body.attributes[n].value);
					}
				}
				//Copying attributes to maintain same properties as the <head>
				for (var m in this.content.document.head.attributes) {
					if (this.content.document.head.attributes[m].value) {
						this.document.head.setAttribute(this.content.document.head.attributes[m].name, this.content.document.head.attributes[m].value);
					}
				}
				//Copying attributes to maintain same properties as the <html>
				var htmlTagMem = this.content.document.getElementsByTagName('html')[0], htmlTagDoc = this.document.getElementsByTagName('html')[0];
				for (var m in htmlTagMem.attributes) {
					if (htmlTagMem.attributes[m].value) {
						htmlTagDoc.setAttribute(htmlTagMem.attributes[m].name, htmlTagMem.attributes[m].value);
					}
				}
			}
        }
    },
    ////////////////////////////////////////////////////////////////////
	//
    insertBannerContent: {
    	value: function (e) {
    		//Getting first element in DOM (assumes it's root)
    		//TODO: Ensure wrapper logic is proper
    		var wrapper =	this._bodyFragment.getElementsByTagName('*')[1],
    			banner =	this._bodyFragment.getElementsByTagName('*')[2],
    			ninjaBanner = this.document.body.getElementsByTagName('ninja-content')[0],
    			ninjaWrapper = this.document.body.getElementsByTagName('ninja-viewport')[0];
    		//Copying attributes to maintain same properties as the banner wrapper
			for (var n in wrapper.attributes) {
				if (wrapper.attributes[n].value) {
					ninjaWrapper.setAttribute(wrapper.attributes[n].name, wrapper.attributes[n].value);
				}
			}
			//Copying attributes to maintain same properties as the banner content
			for (var n in banner.attributes) {
				if (banner.attributes[n].value) {
					ninjaBanner.setAttribute(banner.attributes[n].name, banner.attributes[n].value);
				}
			}
			//Adjusting margin per size of document
			this.document.head.getElementsByTagName('style')[0].innerHTML += '\n ninja-viewport {overflow: visible !important;} ninja-content, ninja-viewport {width: ' + this._template.size.width + 'px; height: ' + this._template.size.height + 'px;}';
			//Setting content in template
    		ninjaBanner.innerHTML = banner.innerHTML;
        	//Garbage collection
        	this._bodyFragment = null;
        	//Calling standard method to finish opening document
        	this.bodyContentLoaded(null);
    	}
    },
    ////////////////////////////////////////////////////////////////////
	//
    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;
    	}
    },
    ////////////////////////////////////////////////////////////////////
	//
    bodyContentLoaded: {
    	value: function (e) {
    		//Removing event, only needed on initial load
    		this._observer.body.disconnect();
    		this._observer.body = null;
    		//Removing loading container (should be removed)
    		this.document.body.removeChild(this.document.getElementsByTagName('ninjaloadinghack')[0]);
   			//Getting style and link tags in document
            var htags = this.document.getElementsByTagName('html'),
                bannerWrapper,
                userStyles,
                stags = this.document.getElementsByTagName('style'),
            	ltags = this.document.getElementsByTagName('link'), i, orgNodes,
            	scripttags = this.document.getElementsByTagName('script'),
            	videotags = this.document.getElementsByTagName('video');
           	//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) {
						//Inseting <style> right above of <link> to maintain hierarchy
						try {
							this.document.head.insertBefore(this.getStyleTagFromCssFile(ltags[i]), ltags[i])
						} catch (e) {
							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 for video tags
			if (videotags.length > 0) {
				//Looping through all video tags
				for (i = 0; i < videotags.length; i++) {
					//Stopping all videos from playing
					if (videotags[i].getAttribute && videotags[i].getAttribute('autoplay') !== null) {
						//Stopping the video on open
						videotags[i].addEventListener('canplay', function(e) {
							//TODO: Figure out why the video must be seeked to the end before pausing
  							var time = Math.ceil(this.duration);
  							//Trying to display the last frame (doing minus 2 seconds if long video)
  							if (time > 2) this.currentTime = time - 2;
  							else if (time > 1) this.currentTime = time - 1;
  							else this.currentTime = time || 0;
  							//Pauing video
  							this.pause();
  						}, false);
					}
				}
			}
            // Assign the modelGenerator reference from the template to our own modelGenerator
            this.document.modelGenerator = ElementModel.modelGenerator;
           	//Checking for script tags then parsing check for montage and webgl
            if (scripttags.length > 0) {
            	//Checking and initializing webGL
            	this.initWebGl(scripttags);
            	//Checking and initializing Montage
            	this.initMontage(scripttags);
            } else {
            	//Else there is not data to parse
                if(this._viewCallback) {
                    this._viewCallback.viewCallback.call(this._viewCallback.context);
                }
            }
            //TODO: Verify appropiate location for this operation
    		if (this._template && this._template.type === 'banner') {
    			this.documentRoot = this.document.body.getElementsByTagName('ninja-content')[0];
                bannerWrapper = this.documentRoot.parentNode;
    		} else {
    			this.documentRoot = this.document.body;
    		}
    		//Storing node list for reference (might need to store in the model)
    		this._liveNodeList = this.documentRoot.getElementsByTagName('*');
    		//Getting list of original nodes
    		orgNodes = this.document.getElementsByTagName('*');
    		//TODO: Figure out if this is ideal for identifying nodes created by Ninja
    		for (var n in orgNodes) {
	    		if (orgNodes[n].getAttribute) orgNodes[n].setAttribute('data-ninja-node', 'true');
    		}

            // Save initial HTML and Body/ninja-content style attributes so we don't override them on save
            if(htags.length) {
                if(userStyles = htags[0].getAttribute('style')) {
                    htags[0].setAttribute('data-ninja-style', userStyles);
                }
            }
            if(this.documentRoot) {
                if(userStyles = this.documentRoot.getAttribute('style')) {
                    this.documentRoot.setAttribute('data-ninja-style', userStyles);
                }
            }
            if(bannerWrapper) {
                if(userStyles = bannerWrapper.getAttribute('style')) {
                    bannerWrapper.setAttribute('data-ninja-style', userStyles);
                }
            }
    		//Making callback if specified
    		if (this._callback) this._callback();
    	}
    },
    ////////////////////////////////////////////////////////////////////
	//
	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');
           			}
           		}
           	}
		}
	},
    ////////////////////////////////////////////////////////////////////
	//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 <link>
			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 <style> with loaded contents
			return tag;
        }
    },
    ////////////////////////////////////////////////////////////////////
	//Method to parse and initialize all webGL data read from file
    initWebGl: {
        value: function (scripttags) {
        	//
        	var n, webgldata, fileRead;
        	//Checking for webGL Data
            for (var w in scripttags) {
            	//
            	webgldata = null;
            	//Checking for tags with webGL data
            	if (scripttags[w].getAttribute) {
            		if (scripttags[w].getAttribute('data-ninja-canvas') !== null) {
            			//TODO: Add logic to handle more than one data tag
            			webgldata = JSON.parse((scripttags[w].innerHTML.replace("(", "")).replace(")", ""));
            		} else if (scripttags[w].getAttribute('data-ninja-canvas-json') !== null) {
            			//TODO: Add check for hardcoded URL
            			fileRead = this.application.ninja.ioMediator.fio.readFile({uri: this.application.ninja.documentController.documentHackReference.root+scripttags[w].getAttribute('data-ninja-canvas-json')});
            			//
            			if (fileRead.status === 204) {
            				webgldata = JSON.parse((fileRead.file.content.replace("(", "")).replace(")", ""));
            			} else {
            				//Error
            			}
            		}
            		//Checking for webGL data and building data array
            		if (webgldata && webgldata.data) {
            			for (n = 0; webgldata.data[n]; n++) {
            				webgldata.data[n] = unescape(webgldata.data[n]);
            			}
            			//TODO: Improve setter of webGL and reference
            			this._webGlHelper.glData = webgldata.data;
            		}
            	}
            }
        }
    },
    ////////////////////////////////////////////////////////////////////
	//
    initMontage: {
        value: function (scripttags) {
            var self = this;

        	this.iframe.contentWindow.document.body.addEventListener('mjsTemplateReady', function () {
        		//Initializing template with user's seriliazation
        		var template = this.iframe.contentWindow.mjsTemplate.create();

        		template.initWithDocument(this.iframe.contentWindow.document);
        		template.instantiateWithOwnerAndDocument(null, this.iframe.contentWindow.document, function (){
        			//TODO: Verify this is properly done, seems like a hack

                    var objArray = [];
        			for (var c in template._deserializer._objects) {
        				//Forcing draw on components
	        			template._deserializer._objects[c].needsDraw = true;
						objArray.push(template._deserializer._objects[c]);
        			}

                    // Now call the view callback
                    if(self._viewCallback) {
                        self._viewCallback.viewCallback.call(self._viewCallback.context, objArray);
                    }

        		});
        	}.bind(this), false);
        }
    },
    ////////////////////////////////////////////////////////////////////
	//Method to get element from point, used by Ninja
    getElementFromPoint: {
        value: function(x, y) {
            return this.iframe.contentWindow.getElement(x,y);
        }
    },
    ////////////////////////////////////////////////////////////////////
    //
    pauseVideos:{
        value:function(){
        	var i, videos = this.document.getElementsByTagName("video");
            for(i = 0; i < videos.length; i++){
                if(!videos[i].paused) videos[i].pause();
            }
        }
    },
	////////////////////////////////////////////////////////////////////
    //
    stopVideos:{
        value:function(){
        	var i, videos = this.document.getElementsByTagName("video");
            for(i = 0; i < videos.length; i++){
                videos[i].src = "";
            }
        }
    },
    ////////////////////////////////////////////////////////////////////
    //
    pauseAndStopVideos:{
        value:function(){
        	var i, videos = this.document.getElementsByTagName("video");
            for(i = 0; i < videos.length; i++){
            	if(!videos[i].paused) videos[i].pause();
                videos[i].src = "";
            }
        }
    }
	////////////////////////////////////////////////////////////////////
	////////////////////////////////////////////////////////////////////
});
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////