Verified Commit 5ff3177a authored by Pier Angelo Vendrame's avatar Pier Angelo Vendrame 🎃
Browse files

Bug 42027: Base Browser migration procedures. 

This commit implmenents the the Base Browser's version of _migrateUI.
parent d17f3162

browser/components/BrowserGlue.sys.mjs

+22 −0
Original line number Diff line number Diff line
@@ -1300,6 +1300,9 @@ BrowserGlue.prototype = { 
    // handle any UI migration

    this._migrateUI();



    // Base Browser-specific version of _migrateUI.

    this._migrateUIBB();



    // Handle any TBB-specific migration before showing the UI. Keep after

    // _migrateUI to make sure this._isNewProfile has been defined.

    this._migrateUITBB();
@@ -4404,6 +4407,25 @@ BrowserGlue.prototype = { 
    Services.prefs.setIntPref("browser.migration.version", UI_VERSION);

  },



  _migrateUIBB() {

    // Version 1: 13.0a3. Reset layout.css.prefers-color-scheme.content-override

    //            for tor-browser#41739.

    const MIGRATION_VERSION = 1;

    const MIGRATION_PREF = "basebrowser.migration.version";

    // We do not care whether this is a new or old profile, since in version 1

    // we just quickly clear a user preference, which should not do anything to

    // new profiles.

    // Shall we ever raise the version number and have a watershed, we can add

    // a check easily (any version > 0 will be an old profile).

    const currentVersion = Services.prefs.getIntPref(MIGRATION_PREF, 0);

    if (currentVersion < 1) {

      Services.prefs.clearUserPref(

        "layout.css.prefers-color-scheme.content-override"

      );

    }

    Services.prefs.setIntPref(MIGRATION_PREF, MIGRATION_VERSION);

  },



  // Use this method for any TBB migration that can be run just before showing

  // the UI.

  // Anything that critically needs to be migrated earlier should not use this.