ZenBrowserMirrors/pdf.js
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Enables debugger only when needed.

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This commit is contained in:
Yury Delendik 2016-05-09 18:18:43 -05:00
parent 11914277d5
commit a4c81c203b
7 changed files with 66 additions and 23 deletions
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48
web/app.js
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@ -1288,6 +1288,24 @@ function validateFileURL(file) {
}
//#endif
function loadAndEnablePDFBug(enabledTabs) {
return new Promise(function (resolve, reject) {
var appConfig = PDFViewerApplication.appConfig;
var script = document.createElement('script');
script.src = appConfig.debuggerScriptPath;
script.onload = function () {
PDFBug.enable(enabledTabs);
PDFBug.init(pdfjsLib, appConfig.mainContainer);
resolve();
};
script.onerror = function () {
reject(new Error('Cannot load debugger at ' + script.src));
};
(document.getElementsByTagName('head')[0] || document.body).
appendChild(script);
});
}
function webViewerInitialized() {
//#if GENERIC
var queryString = document.location.search.substring(1);
@ -1302,6 +1320,7 @@ function webViewerInitialized() {
//var file = DEFAULT_URL;
//#endif
var waitForBeforeOpening = [];
var appConfig = PDFViewerApplication.appConfig;
//#if GENERIC
var fileInput = document.createElement('input');
@ -1393,8 +1412,7 @@ function webViewerInitialized() {
PDFJS.pdfBug = true;
var pdfBug = hashParams['pdfbug'];
var enabled = pdfBug.split(',');
PDFBug.enable(enabled);
PDFBug.init(pdfjsLib, appConfig.mainContainer);
waitForBeforeOpening.push(loadAndEnablePDFBug(enabled));
}
}
@ -1496,13 +1514,16 @@ function webViewerInitialized() {
PDFViewerApplication.eventBus.dispatch('download');
});
//#if (FIREFOX || MOZCENTRAL || CHROME)
//PDFViewerApplication.setTitleUsingUrl(file);
//PDFViewerApplication.initPassiveLoading();
//return;
//#endif
Promise.all(waitForBeforeOpening).then(function () {
webViewerOpenFileViaURL(file);
}).catch(function (reason) {
PDFViewerApplication.error(mozL10n.get('loading_error', null,
'An error occurred while opening.'), reason);
});
}
//#if GENERIC
function webViewerOpenFileViaURL(file) {
if (file && file.lastIndexOf('file:', 0) === 0) {
// file:-scheme. Load the contents in the main thread because QtWebKit
// cannot load file:-URLs in a Web Worker. file:-URLs are usually loaded
@ -1526,8 +1547,19 @@ function webViewerInitialized() {
if (file) {
PDFViewerApplication.open(file);
}
//#endif
}
//#elif (FIREFOX || MOZCENTRAL || CHROME)
//function webViewerOpenFileViaURL(file) {
// PDFViewerApplication.setTitleUsingUrl(file);
// PDFViewerApplication.initPassiveLoading();
//}
//#else
//function webViewerOpenFileURL(file) {
// if (file) {
// throw new Error('Not implemented: webViewerOpenFileURL');
// }
//}
//#endif
function webViewerPageRendered(e) {
var pageNumber = e.pageNumber;