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comments and js linted

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This commit is contained in:
Fred Chasen 2014-01-21 20:34:29 -08:00
parent 0398b5eedf
commit 3fb0b5de30
12 changed files with 307 additions and 234 deletions
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44
src/render_iframe.js
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@ -1,9 +1,9 @@
EPUBJS.Render.Iframe = function() {
this.iframe;
this.document;
this.window;
this.docEl;
this.bodyEl;
this.iframe = null;
this.document = null;
this.window = null;
this.docEl = null;
this.bodyEl = null;
this.leftPos = 0;
this.pageWidth = 0;
@ -18,6 +18,11 @@ EPUBJS.Render.Iframe.prototype.create = function(){
return this.iframe;
};
/**
* Sets the source of the iframe with the given URL string
* Takes: URL string
* Returns: promise with document element
*/
EPUBJS.Render.Iframe.prototype.load = function(url){
var render = this,
deferred = new RSVP.defer();
@ -41,15 +46,21 @@ EPUBJS.Render.Iframe.prototype.load = function(url){
//-- Clear Margins
if(render.bodyEl) render.bodyEl.style.margin = "0";
deferred.resolve(render.docEl);
};
this.iframe.onerror = function(e) {
console.error("Error Loading Contents", e);
}
deferred.reject({
message : "Error Loading Contents: " + e,
stack : new Error().stack
});
};
return deferred.promise;
};
// Resize the iframe to the given width and height
EPUBJS.Render.Iframe.prototype.resize = function(width, height){
var iframeBox;
@ -62,13 +73,14 @@ EPUBJS.Render.Iframe.prototype.resize = function(width, height){
}
this.iframe.width = width;
// Get the fractional height and width of the iframe
this.width = this.iframe.getBoundingClientRect().width;
this.height = this.iframe.getBoundingClientRect().height;
};
EPUBJS.Render.Iframe.prototype.resized = function(e){
// Get the fractional height and width of the iframe
this.width = this.iframe.getBoundingClientRect().width;
this.height = this.iframe.getBoundingClientRect().height;
};
@ -95,16 +107,6 @@ EPUBJS.Render.Iframe.prototype.setLeft = function(leftPos){
this.document.defaultView.scrollTo(leftPos, 0);
};
// EPUBJS.Render.Iframe.prototype.nextPage = function(){
// this.leftPos += this.pageWidth;
// this.setLeft(this.leftPos);
// };
//
// EPUBJS.Render.Iframe.prototype.prevPage = function(){
// this.leftPos -= this.pageWidth;
// this.setLeft(this.leftPos);
// };
EPUBJS.Render.Iframe.prototype.setStyle = function(style, val, prefixed){
if(prefixed) {
style = EPUBJS.core.prefixed(style);
@ -136,18 +138,19 @@ EPUBJS.Render.Iframe.prototype.getPageNumberByElement = function(el){
return pg;
};
//--
// Return the root element of the content
EPUBJS.Render.Iframe.prototype.getBaseElement = function(){
return this.bodyEl;
};
// Checks if an element is on the screen
EPUBJS.Render.Iframe.prototype.isElementVisible = function(el){
var rect;
if(el && typeof el.getBoundingClientRect === 'function'){
rect = el.getBoundingClientRect();
if( rect.width != 0 &&
rect.height != 0 &&
if( rect.width !== 0 &&
rect.height !== 0 && // Element not visible
rect.left >= 0 &&
rect.left < this.pageWidth ) {
return true;
@ -166,6 +169,7 @@ EPUBJS.Render.Iframe.prototype.scroll = function(bool){
}
};
// Cleanup event listeners
EPUBJS.Render.Iframe.prototype.unload = function(){
this.window.removeEventListener("resize", this.resized);
};