Commit 793612ba authored by alwu's avatar alwu
Browse files

Bug 1509933 - part2 : migrate the old pref to the new pref. r=mconley 

This patch will do :
- set the value of the new pref based on the value of the old pref

The advantage of doing so :
- ensure that the value of the pref can be transformed correctly

Differential Revision: https://phabricator.services.mozilla.com/D73972
parent f986ca0c

browser/components/BrowserGlue.jsm

+9 −1
Original line number Diff line number Diff line
@@ -3055,7 +3055,7 @@ BrowserGlue.prototype = { 
  _migrateUI: function BG__migrateUI() {

    // Use an increasing number to keep track of the current migration state.

    // Completely unrelated to the current Firefox release number.

    const UI_VERSION = 94;

    const UI_VERSION = 95;

    const BROWSER_DOCURL = AppConstants.BROWSER_CHROME_URL;



    if (!Services.prefs.prefHasUserValue("browser.migration.version")) {
@@ -3625,6 +3625,14 @@ BrowserGlue.prototype = { 
      }

    }



    if (currentUIVersion < 95) {

      const oldPrefName = "media.autoplay.enabled.user-gestures-needed";

      const oldPrefValue = Services.prefs.getBoolPref(oldPrefName, true);

      const newPrefValue = oldPrefValue ? 0 : 1;

      Services.prefs.setIntPref("media.autoplay.blocking_policy", newPrefValue);

      Services.prefs.clearUserPref(oldPrefName);

    }



    // Update the migration version.

    Services.prefs.setIntPref("browser.migration.version", UI_VERSION);

  },