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 6506b21216e7c3388a3b1469739edcb3282485eb..6dc53f7eeba5b37ff7e894222ee7bdde0f4a7e37 100644 (file)
--- a/browser/components/sessionstore/SessionStore.sys.mjs
+++ b/browser/components/sessionstore/SessionStore.sys.mjs
@@ -4992,7 +4992,7 @@ 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 &&
@@ -5020,9 +5020,8 @@ var SessionStoreInternal = {
           case "minimized":
             if (aSizeModeBeforeMinimized == "maximized") {
               aWindow.maximize();
+              break;
             }
-            aWindow.minimize();
-            break;
           case "normal":
             aWindow.restore();
             break;