yetangitu/pdf.js
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Refactors history and how the database is stored

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This commit is contained in:
Yury Delendik 2014-04-03 13:23:18 -05:00
parent 9c59437ac3
commit b39f0c311c
7 changed files with 37 additions and 55 deletions
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8
extensions/firefox/content/PdfJs.jsm
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@ -128,15 +128,19 @@ let PdfJs = {
},
_migrate: function migrate() {
const VERSION = 1;
const VERSION = 2;
var currentVersion = getIntPref(PREF_MIGRATION_VERSION, 0);
if (currentVersion >= VERSION) {
return;
}
// Make pdf.js the default pdf viewer on the first migration.
if (currentVersion < 2) {
if (currentVersion < 1) {
this._becomeHandler();
}
if (currentVersion < 2) {
// cleaning up of unused database preference (see #3994)
Services.prefs.clearUserPref(PREF_PREFIX + '.database');
}
Services.prefs.setIntPref(PREF_MIGRATION_VERSION, VERSION);
},