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 602986e529301fed08f1722dfeddef7187c63692..99cf0022cfba31a8ea84e59481eab3be450d8e52 100644 (file)
--- a/browser/components/sessionstore/SessionStore.sys.mjs
+++ b/browser/components/sessionstore/SessionStore.sys.mjs
@@ -5220,7 +5220,7 @@ 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 &&
@@ -5248,9 +5248,8 @@ var SessionStoreInternal = {
           case "minimized":
             if (aSizeModeBeforeMinimized == "maximized") {
               aWindow.maximize();
+              break;
             }
-            aWindow.minimize();
-            break;
           case "normal":
             aWindow.restore();
             break;