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Ignore any pending data when worker is terminated.

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This commit is contained in:
Yury Delendik 2015-10-29 13:06:22 -05:00
parent aae82ec4c5
commit 8d15ecb14b
1 changed files with 21 additions and 1 deletions
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22
src/display/api.js
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@ -1252,6 +1252,10 @@ var WorkerTransport = (function WorkerTransportClosure() {
}, this);
messageHandler.on('commonobj', function transportObj(data) {
if (this.destroyed) {
return; // Ignore any pending requests if the worker was terminated.
}
var id = data[0];
var type = data[1];
if (this.commonObjs.hasData(id)) {
@ -1288,6 +1292,10 @@ var WorkerTransport = (function WorkerTransportClosure() {
}, this);
messageHandler.on('obj', function transportObj(data) {
if (this.destroyed) {
return; // Ignore any pending requests if the worker was terminated.
}
var id = data[0];
var pageIndex = data[1];
var type = data[2];
@ -1319,6 +1327,10 @@ var WorkerTransport = (function WorkerTransportClosure() {
}, this);
messageHandler.on('DocProgress', function transportDocProgress(data) {
if (this.destroyed) {
return; // Ignore any pending requests if the worker was terminated.
}
var loadingTask = this.loadingTask;
if (loadingTask.onProgress) {
loadingTask.onProgress({
@ -1329,6 +1341,10 @@ var WorkerTransport = (function WorkerTransportClosure() {
}, this);
messageHandler.on('PageError', function transportError(data) {
if (this.destroyed) {
return; // Ignore any pending requests if the worker was terminated.
}
var page = this.pageCache[data.pageNum - 1];
var intentState = page.intentStates[data.intent];
if (intentState.displayReadyCapability) {
@ -1339,6 +1355,10 @@ var WorkerTransport = (function WorkerTransportClosure() {
}, this);
messageHandler.on('JpegDecode', function(data) {
if (this.destroyed) {
return Promise.reject('Worker was terminated');
}
var imageUrl = data[0];
var components = data[1];
if (components !== 3 && components !== 1) {
@ -1378,7 +1398,7 @@ var WorkerTransport = (function WorkerTransportClosure() {
};
img.src = imageUrl;
});
});
}, this);
},
fetchDocument: function WorkerTransport_fetchDocument(loadingTask, source) {