ZenBrowserMirrors/pdf.js
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Cleaned up how messages are passed and replies work.

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This commit is contained in:
Brendan Dahl 2011-12-08 14:51:26 -08:00
parent f7207a51f8
commit d1c823efce
2 changed files with 57 additions and 44 deletions
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17
src/core.js
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@ -509,7 +509,8 @@ var PDFDoc = (function pdfDoc() {
// Tell the worker the file it was created from.
messageHandler.send('workerSrc', workerSrc);
messageHandler.on('test', function pdfDocTest(supportTypedArray) {
messageHandler.on('test', function pdfDocTest(message) {
var supportTypedArray = message.data;
if (supportTypedArray) {
this.worker = worker;
this.setupMessageHandler(messageHandler);
@ -547,7 +548,8 @@ var PDFDoc = (function pdfDoc() {
setupMessageHandler: function(messageHandler) {
this.messageHandler = messageHandler;
messageHandler.on('page', function pdfDocPage(data) {
messageHandler.on('page', function pdfDocPage(message) {
var data = message.data;
var pageNum = data.pageNum;
var page = this.pageCache[pageNum];
var depFonts = data.depFonts;
@ -555,7 +557,8 @@ var PDFDoc = (function pdfDoc() {
page.startRenderingFromIRQueue(data.IRQueue, depFonts);
}, this);
messageHandler.on('obj', function pdfDocObj(data) {
messageHandler.on('obj', function pdfDocObj(message) {
var data = message.data;
var id = data[0];
var type = data[1];
@ -588,7 +591,8 @@ var PDFDoc = (function pdfDoc() {
}
}, this);
messageHandler.on('font_ready', function pdfDocFontReady(data) {
messageHandler.on('font_ready', function pdfDocFontReady(message) {
var data = message.data;
var id = data[0];
var font = new FontShape(data[1]);
@ -600,7 +604,8 @@ var PDFDoc = (function pdfDoc() {
}
}.bind(this));
messageHandler.on('page_error', function pdfDocError(data) {
messageHandler.on('page_error', function pdfDocError(message) {
var data = message.data;
var page = this.pageCache[data.pageNum];
if (page.callback)
page.callback(data.error);
@ -637,7 +642,7 @@ var PDFDoc = (function pdfDoc() {
buf[j] = data[i];
}
}
message.resolve({ data: buf, width: width, height: height});
message.reply({ data: buf, width: width, height: height});
}).bind(this);
var src = 'data:image/jpeg;base64,' + window.btoa(imageData);
img.src = src;