Avoid wrong sessionstore data to keep windows out of user sight

It happens that sessionstore can keep wrong information for the window
position or minimized state. Workaround this until the real bug is found
and fixed (probably in xulrunner).

Closes: #552426, #553453
Gbp-Pq: Topic debian-hacks
Gbp-Pq: Name Avoid-wrong-sessionstore-data-to-keep-windows-out-of.patch

diff --git a/browser/components/sessionstore/SessionStore.sys.mjs b/browser/components/sessionstore/SessionStore.sys.mjs
index be029379c101a0105d4837136e064e6007b67c3e..9cd6ff04e0803f9ebd3f25028de76bfa24f1b3e2 100644 (file)
--- a/browser/components/sessionstore/SessionStore.sys.mjs
+++ b/browser/components/sessionstore/SessionStore.sys.mjs
@@ -6589,7 +6589,7 @@ var SessionStoreInternal = {
         // _getWindowDimension.
         let desktopToCssScale =
           aWindow.desktopToDeviceScale / aWindow.devicePixelRatio;
-        aWindow.moveTo(aLeft * desktopToCssScale, aTop * desktopToCssScale);
+        aWindow.moveTo((aLeft < -aWidth) ? 0 : aLeft * desktopToCssScale, (aTop < -aHeight) ? 0 : aTop * desktopToCssScale);
       }
       if (
         aWidth &&
@@ -6617,9 +6617,8 @@ var SessionStoreInternal = {
           case "minimized":
             if (aSizeModeBeforeMinimized == "maximized") {
               aWindow.maximize();
+              break;
             }
-            aWindow.minimize();
-            break;
           case "normal":
             aWindow.restore();
             break;