new logout effect

Summary:
new logout effect: it's just a slow fade in of the logout
greeter (window is usable immediately tough

Test Plan: logout greeter now fades in without setting the window opacity manually

Reviewers: graesslin, #plasma

Reviewed By: graesslin, #plasma

Subscribers: broulik, plasma-devel, kwin, #kwin

Tags: #plasma

Differential Revision: https://phabricator.kde.org/D5045

autotests/test_plugin_effectloader.cpp

@@ -116,6 +116,7 @@ void TestPluginEffectLoader::testHasEffect_data()
     QTest::newRow("FadeDesktop")       << QStringLiteral("kwin4_effect_fadedesktop")  << false;
     QTest::newRow("DialogParent")      << QStringLiteral("kwin4_effect_dialogparent") << false;
     QTest::newRow("Login")             << QStringLiteral("kwin4_effect_login")        << false;
+    QTest::newRow("Logout")            << QStringLiteral("kwin4_effect_logout")       << false;
     QTest::newRow("Maximize")          << QStringLiteral("kwin4_effect_maximize")     << false;
     QTest::newRow("ScaleIn")           << QStringLiteral("kwin4_effect_scalein")      << false;
     QTest::newRow("Translucency")      << QStringLiteral("kwin4_effect_translucency") << false;

autotests/test_scripted_effectloader.cpp

@@ -135,6 +135,7 @@ void TestScriptedEffectLoader::testHasEffect_data()
     QTest::newRow("FadeDesktop")                 << QStringLiteral("kwin4_effect_fadedesktop")  << true;
     QTest::newRow("DialogParent")                << QStringLiteral("kwin4_effect_dialogparent") << true;
     QTest::newRow("Login")                       << QStringLiteral("kwin4_effect_login")        << true;
+    QTest::newRow("Logout")                      << QStringLiteral("kwin4_effect_logout")       << true;
     QTest::newRow("Maximize")                    << QStringLiteral("kwin4_effect_maximize")     << true;
     QTest::newRow("ScaleIn")                     << QStringLiteral("kwin4_effect_scalein")      << true;
     QTest::newRow("Translucency")                << QStringLiteral("kwin4_effect_translucency") << true;
@@ -165,6 +166,7 @@ void TestScriptedEffectLoader::testKnownEffects()
                     << QStringLiteral("kwin4_effect_fade")
                     << QStringLiteral("kwin4_effect_fadedesktop")
                     << QStringLiteral("kwin4_effect_login")
+                    << QStringLiteral("kwin4_effect_logout")
                     << QStringLiteral("kwin4_effect_maximize")
                     << QStringLiteral("kwin4_effect_scalein")
                     << QStringLiteral("kwin4_effect_translucency");
@@ -190,6 +192,7 @@ void TestScriptedEffectLoader::testLoadEffect_data()
     QTest::newRow("FadeDesktop")                 << QStringLiteral("kwin4_effect_fadedesktop")  << true;
     QTest::newRow("DialogParent")                << QStringLiteral("kwin4_effect_dialogparent") << true;
     QTest::newRow("Login")                       << QStringLiteral("kwin4_effect_login")        << true;
+    QTest::newRow("Logout")                      << QStringLiteral("kwin4_effect_logout")        << true;
     QTest::newRow("Maximize")                    << QStringLiteral("kwin4_effect_maximize")     << true;
     QTest::newRow("ScaleIn")                     << QStringLiteral("kwin4_effect_scalein")      << true;
     QTest::newRow("Translucency")                << QStringLiteral("kwin4_effect_translucency") << true;
@@ -340,6 +343,7 @@ void TestScriptedEffectLoader::testLoadAllEffects()
     plugins.writeEntry(kwin4 + QStringLiteral("fadeEnabled"), false);
     plugins.writeEntry(kwin4 + QStringLiteral("fadedesktopEnabled"), false);
     plugins.writeEntry(kwin4 + QStringLiteral("loginEnabled"), false);
+    plugins.writeEntry(kwin4 + QStringLiteral("logoutEnabled"), false);
     plugins.writeEntry(kwin4 + QStringLiteral("maximizeEnabled"), false);
     plugins.writeEntry(kwin4 + QStringLiteral("minimizeanimationEnabled"), false);
     plugins.writeEntry(kwin4 + QStringLiteral("scaleinEnabled"), false);

effects/CMakeLists.txt

@@ -133,6 +133,7 @@ add_subdirectory( eyeonscreen )
 add_subdirectory( fade )
 add_subdirectory( fadedesktop )
 add_subdirectory( login )
+add_subdirectory( logout )
 add_subdirectory( maximize )
 add_subdirectory( morphingpopups )
 add_subdirectory( scalein )

effects/logout/CMakeLists.txt

@@ -0,0 +1 @@
+add_subdirectory(package)

effects/logout/package/CMakeLists.txt

@@ -0,0 +1,6 @@
+install(DIRECTORY contents DESTINATION ${DATA_INSTALL_DIR}/${KWIN_NAME}/effects/kwin4_effect_logout)
+install(FILES metadata.desktop DESTINATION ${DATA_INSTALL_DIR}/${KWIN_NAME}/effects/kwin4_effect_logout)
+
+install(FILES metadata.desktop
+        DESTINATION ${SERVICES_INSTALL_DIR}/${KWIN_NAME}
+        RENAME kwin4_effect_logout.desktop)

effects/logout/package/contents/code/main.js

@@ -0,0 +1,58 @@
+/********************************************************************
+ KWin - the KDE window manager
+ This file is part of the KDE project.
+
+ Copyright (C) 2007 Lubos Lunak <l.lunak@kde.org>
+ Copyright (C) 2013 Martin Gräßlin <mgraesslin@kde.org>
+ Copyright (C) 2017 Marco Martin <mart@kde.org>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*********************************************************************/
+/*global effect, effects, animate, animationTime, Effect*/
+var logoutEffect = {
+    duration: animationTime(800),
+    loadConfig: function () {
+        "use strict";
+        logoutEffect.duration = animationTime(800);
+    },
+    isLogoutWindow: function (window) {
+        "use strict";
+        var windowClass = window.windowClass;
+        if (windowClass === "ksmserver ksmserver") {
+            return true;
+        }
+        return false;
+    },
+    opened: function (window) {
+        "use strict";
+        if (!logoutEffect.isLogoutWindow(window)) {
+            return;
+        }
+        animate({
+            window: window,
+            duration: logoutEffect.duration,
+            type: Effect.Opacity,
+            from: 0.0,
+            to: 1.0
+        });
+    },
+    init: function () {
+        "use strict";
+        logoutEffect.loadConfig();
+        effects.windowAdded.connect(logoutEffect.opened);
+        effects.windowShown.connect(logoutEffect.opened);
+    }
+};
+logoutEffect.init();
+

effects/logout/package/metadata.desktop

@@ -0,0 +1,22 @@
+[Desktop Entry]
+Name=logout
+Icon=preferences-system-windows-effect-logout
+Comment=Smoothly fade to the desktop when logging in
+
+Type=Service
+X-KDE-ServiceTypes=KWin/Effect,KCModule
+X-KDE-PluginInfo-Author=Lubos Lunak, Kai Uwe Broulik, Martin Gräßlin, Marco MArtin
+X-KDE-PluginInfo-Email=l.lunak@kde.org, kde@privat.broulik.de, mgraesslin@kde.org, mart@kde.org
+X-KDE-PluginInfo-Name=kwin4_effect_logout
+X-KDE-PluginInfo-Version=0.2.0
+X-KDE-PluginInfo-Category=Appearance
+X-KDE-PluginInfo-Depends=
+X-KDE-PluginInfo-License=GPL
+X-KDE-PluginInfo-EnabledByDefault=true
+X-KDE-Ordering=40
+X-Plasma-API=javascript
+X-Plasma-MainScript=code/main.js
+X-KDE-PluginKeyword=kwin4_effect_logout
+X-KDE-Library=kcm_kwin4_genericscripted
+X-KDE-ParentComponents=kwin4_effect_logout
+X-KWin-Config-TranslationDomain=kwin_effects