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Check if the browser supports manipulation of the history

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This commit is contained in:
Jonas 2013-06-24 20:46:13 +02:00
parent cce3e9cd1b
commit 5c93ec3a2c
2 changed files with 13 additions and 3 deletions
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9
web/compatibility.js
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@ -391,7 +391,7 @@ if (typeof PDFJS === 'undefined') {
});
})();
// Check console compatability
// Check console compatibility
(function checkConsoleCompatibility() {
if (!('console' in window)) {
window.console = {
@ -455,3 +455,10 @@ if (typeof PDFJS === 'undefined') {
PDFJS.disableRange = true;
}
})();
// Check if the browser supports manipulation of the history.
(function checkHistoryManipulation() {
if (!window.history.pushState) {
PDFJS.disableHistory = true;
}
})();

7
web/viewer.js
View File

@ -31,7 +31,6 @@ var VERTICAL_PADDING = 5;
var MIN_SCALE = 0.25;
var MAX_SCALE = 4.0;
var SETTINGS_MEMORY = 20;
var HISTORY_DISABLED = false;
var SCALE_SELECT_CONTAINER_PADDING = 8;
var SCALE_SELECT_PADDING = 22;
var RenderingStates = {
@ -190,7 +189,7 @@ var PDFHistory = {
initialDestination: null,
initialize: function pdfHistoryInitialize(fingerprint) {
if (HISTORY_DISABLED || window.parent !== window) {
if (PDFJS.disableHistory || window.parent !== window) {
// The browsing history is only enabled when the viewer is standalone,
// i.e. not when it is embedded in a page.
return;
@ -2564,6 +2563,10 @@ document.addEventListener('DOMContentLoaded', function webViewerLoad(evt) {
PDFJS.disableFontFace = (hashParams['disableFontFace'] === 'true');
}
if ('disableHistory' in hashParams) {
PDFJS.disableHistory = (hashParams['disableHistory'] === 'true');
}
//#if !(FIREFOX || MOZCENTRAL)
var locale = navigator.language;
if ('locale' in hashParams)