Sakurai/pdf.js
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Bind chunk promises to avoid scope problems.

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This commit is contained in:
Brendan Dahl 2013-05-10 09:45:52 -07:00
parent 220c827e9e
commit 328cfd0246
1 changed files with 8 additions and 9 deletions
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17
src/evaluator.js
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@ -884,7 +884,7 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
case 'TJ': case 'TJ':
var chunkPromise = new Promise(); var chunkPromise = new Promise();
chunkPromises.push(chunkPromise); chunkPromises.push(chunkPromise);
fontPromise.then(function(items, font) { fontPromise.then(function(items, chunkPromise, font) {
var chunk = ''; var chunk = '';
for (var j = 0, jj = items.length; j < jj; j++) { for (var j = 0, jj = items.length; j < jj; j++) {
if (typeof items[j] === 'string') { if (typeof items[j] === 'string') {
@ -901,19 +901,18 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
} }
} }
} }
chunkPromise.resolve( chunkPromise.resolve(
getBidiText(chunk, -1, font.vertical)); getBidiText(chunk, -1, font.vertical));
}.bind(null, args[0])); }.bind(null, args[0], chunkPromise));
break; break;
case 'Tj': case 'Tj':
var chunkPromise = new Promise(); var chunkPromise = new Promise();
chunkPromises.push(chunkPromise); chunkPromises.push(chunkPromise);
fontPromise.then(function(charCodes, font) { fontPromise.then(function(charCodes, chunkPromise, font) {
var chunk = fontCharsToUnicode(charCodes, font); var chunk = fontCharsToUnicode(charCodes, font);
chunkPromise.resolve( chunkPromise.resolve(
getBidiText(chunk, -1, font.vertical)); getBidiText(chunk, -1, font.vertical));
}.bind(null, args[0])); }.bind(null, args[0], chunkPromise));
break; break;
case '\'': case '\'':
// For search, adding a extra white space for line breaks // For search, adding a extra white space for line breaks
@ -921,21 +920,21 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
// the text-selection divs. // the text-selection divs.
var chunkPromise = new Promise(); var chunkPromise = new Promise();
chunkPromises.push(chunkPromise); chunkPromises.push(chunkPromise);
fontPromise.then(function(charCodes, font) { fontPromise.then(function(charCodes, chunkPromise, font) {
var chunk = fontCharsToUnicode(charCodes, font); var chunk = fontCharsToUnicode(charCodes, font);
chunkPromise.resolve( chunkPromise.resolve(
getBidiText(chunk, -1, font.vertical)); getBidiText(chunk, -1, font.vertical));
}.bind(null, args[0])); }.bind(null, args[0], chunkPromise));
break; break;
case '"': case '"':
// Note comment in "'" // Note comment in "'"
var chunkPromise = new Promise(); var chunkPromise = new Promise();
chunkPromises.push(chunkPromise); chunkPromises.push(chunkPromise);
fontPromise.then(function(charCodes, font) { fontPromise.then(function(charCodes, chunkPromise, font) {
var chunk = fontCharsToUnicode(charCodes, font); var chunk = fontCharsToUnicode(charCodes, font);
chunkPromise.resolve( chunkPromise.resolve(
getBidiText(chunk, -1, font.vertical)); getBidiText(chunk, -1, font.vertical));
}.bind(null, args[2])); }.bind(null, args[2], chunkPromise));
break; break;
case 'Do': case 'Do':
if (args[0].code) { if (args[0].code) {