yetangitu/pdf.js
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Fix lint errors

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This commit is contained in:
Julian Viereck 2011-10-09 10:37:53 +02:00
parent a6180830f8
commit 20a348fc0c
7 changed files with 342 additions and 421 deletions
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73
worker.js
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@ -11,23 +11,23 @@ var WorkerPage = (function() {
this.workerPDF = workerPDF;
this.page = page;
this.objs = objs;
this.ref = page.ref;
}
constructor.prototype = {
get width() {
return this.page.width;
},
get height() {
return this.page.height;
},
get stats() {
return this.page.stats;
},
get view() {
return this.page.view;
},
@ -37,40 +37,40 @@ var WorkerPage = (function() {
this.callback = callback;
// TODO: Place the worker magic HERE.
// this.page.startRendering(ctx, callback, errback);
this.startRenderingTime = Date.now();
this.workerPDF.startRendering(this)
this.workerPDF.startRendering(this);
},
startRenderingFromIRQueue: function(IRQueue, fonts) {
var gfx = new CanvasGraphics(this.ctx, this.objs);
var startTime = Date.now();
var callback = function(err) {
var pageNum = this.page.pageNumber + 1;
console.log("page=%d - rendering time: time=%dms",
console.log('page=%d - rendering time: time=%dms',
pageNum, Date.now() - startTime);
console.log("page=%d - total time: time=%dms",
console.log('page=%d - total time: time=%dms',
pageNum, Date.now() - this.startRenderingTime);
this.callback(err);
}.bind(this);
this.page.startRenderingFromIRQueue(gfx, IRQueue, fonts, callback);
},
getLinks: function() {
return this.page.getLinks();
}
};
return constructor;
})();
/**
* A PDF document and page is build up of many objects. E.g. there are objects
* for fonts, images, rendering code and such. These objects might get processed
* inside of a worker. The `PDFObjects` implements some basic functions to manage
* these objects.
* inside of a worker. The `PDFObjects` implements some basic functions to
* manage these objects.
*/
var PDFObjects = (function() {
function PDFObjects() {
@ -98,16 +98,16 @@ var PDFObjects = (function() {
* object needs to be resolved. If it isn't, this function throws.
*
* If called *with* a callback, the callback is called with the data of the
* object once the object is resolved. That means, if you call this
* object once the object is resolved. That means, if you call this
* function and the object is already resolved, the callback gets called
* right away.
*/
get: function(objId, callback) {
// If there is a callback, then the get can be async and the object is
// If there is a callback, then the get can be async and the object is
// not required to be resolved right now
if (callback) {
this.ensureObj(objId).then(callback);
}
}
// If there isn't a callback, the user expects to get the resolved data
// directly.
else {
@ -116,8 +116,8 @@ var PDFObjects = (function() {
// If there isn't an object yet or the object isn't resolved, then the
// data isn't ready yet!
if (!obj || !obj.isResolved) {
throw "Requesting object that isn't resolved yet " + objId;
}
throw 'Requesting object that isn\'t resolved yet ' + objId;
}
// Direct access.
else {
return obj.data;
@ -130,7 +130,7 @@ var PDFObjects = (function() {
*/
resolve: function(objId, data) {
var objs = this.objs;
// In case there is a promise already on this object, just resolve it.
if (objs[objId]) {
objs[objId].resolve(data);
@ -169,13 +169,13 @@ var PDFObjects = (function() {
// a *resolved* promise which shouldn't be the case!
this.ensureObj(objId).data = data;
}
}
};
return PDFObjects;
})();
/**
* "Promise" object.
* 'Promise' object.
* Each object that is stored in PDFObjects is based on a Promise object that
* contains the status of the object and the data. There migth be situations,
* where a function want to use the value of an object, but it isn't ready at
@ -201,12 +201,12 @@ var Promise = (function() {
this._data = data;
this.hasData = true;
} else {
this.isResolved = false;
this.isResolved = false;
this._data = EMPTY_PROMISE;
}
this.callbacks = [];
};
Promise.prototype = {
hasData: false,
@ -215,7 +215,8 @@ var Promise = (function() {
return;
}
if (this._data !== EMPTY_PROMISE) {
throw "Promise " + this.name + ": Cannot set the data of a promise twice";
throw 'Promise ' + this.name +
': Cannot set the data of a promise twice';
}
this._data = data;
this.hasData = true;
@ -224,10 +225,10 @@ var Promise = (function() {
this.onDataCallback(data);
}
},
get data() {
if (this._data === EMPTY_PROMISE) {
throw "Promise " + this.name + ": Cannot get data that isn't set";
throw 'Promise ' + this.name + ': Cannot get data that isn\'t set';
}
return this._data;
},
@ -239,35 +240,35 @@ var Promise = (function() {
this.onDataCallback = callback;
}
},
resolve: function(data) {
if (this.isResolved) {
throw "A Promise can be resolved only once " + this.name;
throw 'A Promise can be resolved only once ' + this.name;
}
this.isResolved = true;
this.data = data;
var callbacks = this.callbacks;
for (var i = 0; i < callbacks.length; i++) {
callbacks[i].call(null, data);
}
},
then: function(callback) {
if (!callback) {
throw "Requiring callback" + this.name;
throw 'Requiring callback' + this.name;
}
// If the promise is already resolved, call the callback directly.
if (this.isResolved) {
var data = this.data;
callback.call(null, data);
} else {
this.callbacks.push(callback);
this.callbacks.push(callback);
}
}
}
};
return Promise;
})();