From b1b1360ec3fb0ddddcfed2d3db90985cf8495aa8 Mon Sep 17 00:00:00 2001
From: David Edmundson <kde@davidedmundson.co.uk>
Date: Wed, 10 Oct 2018 11:45:13 +0100
Subject: [PATCH] [effects/fadedesktop] Set animation as a fullscreen effect

Summary:
This lets other effects know whether they should inhibit or not which
reduces
visual glitches of overlapping animations.

BUG: 321201
FIXED-IN: 5.15.0

Test Plan: Switched desktops, they still faded

Reviewers: #kwin, zzag

Subscribers: zzag, kwin

Tags: #kwin

Differential Revision: https://phabricator.kde.org/D15474
---
 .../fadedesktop/package/contents/code/main.js | 21 ++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

diff --git a/effects/fadedesktop/package/contents/code/main.js b/effects/fadedesktop/package/contents/code/main.js
index 9f3b2e3eb6..064989dea8 100644
--- a/effects/fadedesktop/package/contents/code/main.js
+++ b/effects/fadedesktop/package/contents/code/main.js
@@ -27,8 +27,11 @@ effect.configChanged.connect(function() {
     loadConfig();
 });
 effects['desktopChanged(int,int)'].connect(function(oldDesktop, newDesktop) {
+    if (effects.hasActiveFullScreenEffect && !effect.isActiveFullScreenEffect) {
+        return;
+    }
     var stackingOrder = effects.stackingOrder;
-    for (var i=0; i<stackingOrder.length; i++) {
+    for (var i = 0; i < stackingOrder.length; i++) {
         var w = stackingOrder[i];
         if (w.desktop != oldDesktop && w.desktop != newDesktop) {
             continue;
@@ -45,7 +48,8 @@ effects['desktopChanged(int,int)'].connect(function(oldDesktop, newDesktop) {
                 duration: duration,
                 animations: [{
                     type: Effect.Opacity,
-                    to: 0.0
+                    to: 0.0,
+                    fullScreen: true
                 }]
             });
         } else {
@@ -55,9 +59,20 @@ effects['desktopChanged(int,int)'].connect(function(oldDesktop, newDesktop) {
                 animations: [{
                     type: Effect.Opacity,
                     to: 1.0,
-                    from: 0.0
+                    from: 0.0,
+                    fullScreen: true
                 }]
             });
         }
     }
 });
+
+effect.isActiveFullScreenEffectChanged.connect(function() {
+    var isActiveFullScreen = effect.isActiveFullScreenEffect;
+    var stackingOrder = effects.stackingOrder;
+    for (var i = 0; i < stackingOrder.length; i++) {
+        var w = stackingOrder[i];
+        w.setData(Effect.WindowForceBlurRole, isActiveFullScreen);
+        w.setData(Effect.WindowForceBackgroundContrastRole, isActiveFullScreen);
+    }
+});