From 4a96dae57de32d76917d5aa7a8c871e487678ce9 Mon Sep 17 00:00:00 2001
From: James Graham <james.h.graham@protonmail.com>
Date: Sun, 21 Apr 2024 10:50:45 +0000
Subject: [PATCH] Fancy Effects 2021-2024 gone but never forgotten

Remove fancy effects as it's busted and causing CPU spikes.

(cherry picked from commit dc2f11eb2bfb5e325951b3ba8ab7fdfa89a8d899)
---
 src/CMakeLists.txt                      |   4 -
 src/models/messageeventmodel.cpp        |  28 ---
 src/models/messageeventmodel.h          |   1 -
 src/neochatconfig.kcfg                  |   4 -
 src/qml/FancyEffectsContainer.qml       | 304 ------------------------
 src/qml/TimelineView.qml                |  40 ----
 src/qml/confetti.png                    | Bin 1052 -> 0 bytes
 src/qml/glowdot.png                     | Bin 1613 -> 0 bytes
 src/settings/AppearanceSettingsPage.qml |  16 --
 9 files changed, 397 deletions(-)
 delete mode 100644 src/qml/FancyEffectsContainer.qml
 delete mode 100644 src/qml/confetti.png
 delete mode 100644 src/qml/glowdot.png

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 382c50554..1948cbbe8 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -204,7 +204,6 @@ qt_add_qml_module(neochat URI org.kde.neochat NO_PLUGIN
         qml/InviteUserPage.qml
         qml/ImageEditorPage.qml
         qml/NeochatMaximizeComponent.qml
-        qml/FancyEffectsContainer.qml
         qml/TypingPane.qml
         qml/QuickSwitcher.qml
         qml/HoverActions.qml
@@ -281,9 +280,6 @@ qt_add_qml_module(neochat URI org.kde.neochat NO_PLUGIN
         qml/ConfirmLeaveDialog.qml
         qml/CodeMaximizeComponent.qml
         qml/EditStateDialog.qml
-    RESOURCES
-        qml/confetti.png
-        qml/glowdot.png
 )
 
 add_subdirectory(settings)
diff --git a/src/models/messageeventmodel.cpp b/src/models/messageeventmodel.cpp
index a7385c4ee..452b3134d 100644
--- a/src/models/messageeventmodel.cpp
+++ b/src/models/messageeventmodel.cpp
@@ -117,34 +117,6 @@ void MessageEventModel::setRoom(NeoChatRoom *room)
 
                 if (message != nullptr) {
                     createEventObjects(message);
-                    if (NeoChatConfig::self()->showFancyEffects()) {
-                        QString planBody = message->plainBody();
-                        // snowflake
-                        const QString snowlakeEmoji = QString::fromUtf8("\xE2\x9D\x84");
-                        if (planBody.contains(snowlakeEmoji)) {
-                            Q_EMIT fancyEffectsReasonFound(QStringLiteral("snowflake"));
-                        }
-                        // fireworks
-                        const QString fireworksEmoji = QString::fromUtf8("\xF0\x9F\x8E\x86");
-                        if (planBody.contains(fireworksEmoji)) {
-                            Q_EMIT fancyEffectsReasonFound(QStringLiteral("fireworks"));
-                        }
-                        // sparkler
-                        const QString sparklerEmoji = QString::fromUtf8("\xF0\x9F\x8E\x87");
-                        if (planBody.contains(sparklerEmoji)) {
-                            Q_EMIT fancyEffectsReasonFound(QStringLiteral("fireworks"));
-                        }
-                        // party pooper
-                        const QString partyEmoji = QString::fromUtf8("\xF0\x9F\x8E\x89");
-                        if (planBody.contains(partyEmoji)) {
-                            Q_EMIT fancyEffectsReasonFound(QStringLiteral("confetti"));
-                        }
-                        // confetti ball
-                        const QString confettiEmoji = QString::fromUtf8("\xF0\x9F\x8E\x8A");
-                        if (planBody.contains(confettiEmoji)) {
-                            Q_EMIT fancyEffectsReasonFound(QStringLiteral("confetti"));
-                        }
-                    }
                 }
                 if (event->is<PollStartEvent>()) {
                     m_currentRoom->createPollHandler(eventCast<const PollStartEvent>(event.get()));
diff --git a/src/models/messageeventmodel.h b/src/models/messageeventmodel.h
index 203162b4a..8ae8891f0 100644
--- a/src/models/messageeventmodel.h
+++ b/src/models/messageeventmodel.h
@@ -140,5 +140,4 @@ private:
 
 Q_SIGNALS:
     void roomChanged();
-    void fancyEffectsReasonFound(const QString &fancyEffect);
 };
diff --git a/src/neochatconfig.kcfg b/src/neochatconfig.kcfg
index f03e97d7c..039a6b6b6 100644
--- a/src/neochatconfig.kcfg
+++ b/src/neochatconfig.kcfg
@@ -100,10 +100,6 @@
       <label>Minimize to system tray on startup</label>
       <default>false</default>
     </entry>
-    <entry name="ShowFancyEffects" type="bool">
-      <label>Show Fancy Effects</label>
-      <default>true</default>
-    </entry>
     <entry name="MediaMaxWidth" type="int">
       <label>The maximum width any media item in the timeline can be.</label>
       <default>540</default>
diff --git a/src/qml/FancyEffectsContainer.qml b/src/qml/FancyEffectsContainer.qml
deleted file mode 100644
index b1a1a10f5..000000000
--- a/src/qml/FancyEffectsContainer.qml
+++ /dev/null
@@ -1,304 +0,0 @@
-// SPDX-FileCopyrightText: 2021 Alexey Andreyev <aa13q@ya.ru>
-// SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
-
-import QtQuick
-import QtQuick.Layouts
-import QtQuick.Particles
-
-import org.kde.kirigami as Kirigami
-
-Item {
-    id: root
-    property bool enabled: false
-    property int effectInterval: Kirigami.Units.veryLongDuration * 10
-    property color darkSnowColor: "grey"
-    property bool isThemeDark: Kirigami.Theme.backgroundColor.hslLightness <= darkSnowColor.hslLightness
-
-    function showConfettiEffect() {
-        confettiTimer.start();
-    }
-
-    function showSnowEffect() {
-        snowTimer.start();
-    }
-
-    function showFireworksEffect() {
-        fireworksTimer.start();
-    }
-
-    // Confetti
-
-    Timer {
-        id: confettiTimer
-        interval: root.effectInterval
-        running: false
-        repeat: false
-        triggeredOnStart: true
-        onTriggered: {
-            if (root.enabled) {
-                confettiSystem.running = !confettiSystem.running;
-            }
-        }
-    }
-
-    ParticleSystem {
-        id: confettiSystem
-        anchors.fill: parent
-
-        running: false
-        onRunningChanged: {
-            if (running) {
-                opacity = 1;
-            } else {
-                opacity = 0;
-            }
-        }
-
-        Behavior on opacity {
-            SequentialAnimation {
-                NumberAnimation {
-                    duration: Kirigami.Units.longDuration
-                }
-            }
-        }
-
-        ImageParticle {
-            source: "qrc:/qt/qml/org/kde/neochat/qml/confetti.png"
-            entryEffect: ImageParticle.Scale
-            rotationVariation: 360
-            rotationVelocity: 90
-            color: Qt.hsla(Math.random(), 0.5, 0.6, 1)
-            colorVariation: 1
-        }
-
-        Emitter {
-            anchors {
-                left: parent.left
-                right: parent.right
-                top: parent.top
-            }
-
-            sizeVariation: Kirigami.Units.iconSizes.small / 2
-            lifeSpan: Kirigami.Units.veryLongDuration * 10
-            size: Kirigami.Units.iconSizes.small
-
-            velocity: AngleDirection {
-                angle: 90
-                angleVariation: 42
-                magnitude: 500
-            }
-        }
-    }
-
-    // Snow
-
-    Timer {
-        id: snowTimer
-        interval: root.effectInterval
-        running: false
-        repeat: false
-        triggeredOnStart: true
-        onTriggered: {
-            if (root.enabled) {
-                snowSystem.running = !snowSystem.running;
-            }
-        }
-    }
-
-    ParticleSystem {
-        id: snowSystem
-        anchors.fill: parent
-
-        running: false
-        onRunningChanged: {
-            if (running) {
-                opacity = 1;
-            } else {
-                opacity = 0;
-            }
-        }
-
-        Behavior on opacity {
-            SequentialAnimation {
-                NumberAnimation {
-                    duration: Kirigami.Units.longDuration
-                }
-            }
-        }
-
-        ItemParticle {
-            delegate: Rectangle {
-                width: 10
-                height: width
-                radius: width
-                color: root.isThemeDark ? "white" : darkSnowColor
-                scale: Math.random()
-                opacity: Math.random()
-            }
-        }
-
-        Emitter {
-            anchors {
-                left: parent.left
-                right: parent.right
-                top: parent.top
-            }
-
-            sizeVariation: Kirigami.Units.iconSizes.medium
-            lifeSpan: Kirigami.Units.veryLongDuration * 10
-            size: Kirigami.Units.iconSizes.large
-            emitRate: 42
-
-            velocity: AngleDirection {
-                angle: 90
-                angleVariation: 10
-                magnitude: 300
-            }
-        }
-    }
-
-    // Fireworks
-
-    Timer {
-        id: fireworksTimer
-        interval: root.effectInterval
-        running: false
-        repeat: false
-        triggeredOnStart: true
-        onTriggered: {
-            if (root.enabled) {
-                fireworksInternalTimer.running = !fireworksInternalTimer.running;
-            }
-        }
-    }
-
-    Timer {
-        id: fireworksInternalTimer
-        interval: 300
-        triggeredOnStart: true
-        running: false
-        repeat: true
-        onTriggered: {
-            var x = Math.random() * parent.width;
-            var y = Math.random() * parent.height;
-            customEmit(x, y);
-            customEmit(x, y);
-            customEmit(x, y);
-        }
-    }
-
-    ParticleSystem {
-        id: fireworksSystem
-        anchors.fill: parent
-        running: fireworksInternalTimer.running
-        onRunningChanged: {
-            if (running) {
-                opacity = 1;
-            } else {
-                opacity = 0;
-            }
-        }
-
-        Behavior on opacity {
-            SequentialAnimation {
-                NumberAnimation {
-                    duration: Kirigami.Units.longDuration
-                }
-            }
-        }
-    }
-
-    ImageParticle {
-        id: fireworksParticleA
-        system: fireworksSystem
-        source: "qrc:/qt/qml/org/kde/neochat/qml/glowdot.png"
-        alphaVariation: root.isThemeDark ? 0.1 : 0.1
-        alpha: root.isThemeDark ? 0.5 : 1
-        groups: ["a"]
-        opacity: fireworksSystem.opacity
-        entryEffect: ImageParticle.Scale
-        rotationVariation: 360
-    }
-
-    ImageParticle {
-        system: fireworksSystem
-        source: "qrc:/qt/qml/org/kde/neochat/qml/glowdot.png"
-        color: root.isThemeDark ? "white" : "gold"
-        alphaVariation: root.isThemeDark ? 0.1 : 0.1
-        alpha: root.isThemeDark ? 0.5 : 1
-        groups: ["light"]
-        opacity: fireworksSystem.opacity
-        entryEffect: ImageParticle.Scale
-        rotationVariation: 360
-    }
-
-    ImageParticle {
-        id: fireworksParticleB
-        system: fireworksSystem
-        source: "qrc:/qt/qml/org/kde/neochat/qml/glowdot.png"
-        alphaVariation: root.isThemeDark ? 0.1 : 0.1
-        alpha: root.isThemeDark ? 0.5 : 1
-        groups: ["b"]
-        opacity: fireworksSystem.opacity
-        entryEffect: ImageParticle.Scale
-        rotationVariation: 360
-    }
-
-    Component {
-        id: emitterComp
-        Emitter {
-            id: container
-            property int life: 23
-            property real targetX: 0
-            property real targetY: 0
-            width: 1
-            height: 1
-            system: fireworksSystem
-            size: 16
-            endSize: 8
-            sizeVariation: 5
-            Timer {
-                interval: life
-                running: true
-                onTriggered: {
-                    container.destroy();
-                    var randomHue = Math.random();
-                    var lightness = root.isThemeDark ? 0.8 : 0.7;
-                    fireworksParticleA.color = Qt.hsla(randomHue, 0.8, lightness, 1);
-                    fireworksParticleB.color = Qt.hsla(1 - randomHue, 0.8, lightness, 1);
-                }
-            }
-            velocity: AngleDirection {
-                angleVariation: 360
-                magnitude: 200
-            }
-        }
-    }
-
-    function customEmit(x, y) {
-        var currentSize = Math.round(Math.random() * 200) + 40;
-        var currentLifeSpan = Math.round(Math.random() * 1000) + 100;
-        for (var i = 0; i < 8; i++) {
-            var obj = emitterComp.createObject(parent);
-            obj.x = x;
-            obj.y = y;
-            obj.targetX = Math.random() * currentSize - currentSize / 2 + obj.x;
-            obj.targetY = Math.random() * currentSize - currentSize / 2 + obj.y;
-            obj.life = Math.round(Math.random() * 23) + 150;
-            obj.emitRate = Math.round(Math.random() * 32) + 5;
-            obj.lifeSpan = currentLifeSpan;
-            const group = Math.round(Math.random() * 3);
-            switch (group) {
-            case 0:
-                obj.group = "light";
-                break;
-            case 1:
-                obj.group = "a";
-                break;
-            case 2:
-                obj.group = "b";
-                break;
-            }
-        }
-    }
-}
diff --git a/src/qml/TimelineView.qml b/src/qml/TimelineView.qml
index cf3f81fd9..070c49e75 100644
--- a/src/qml/TimelineView.qml
+++ b/src/qml/TimelineView.qml
@@ -312,46 +312,6 @@ QQC2.ScrollView {
             }
         }
 
-        Rectangle {
-            FancyEffectsContainer {
-                id: fancyEffectsContainer
-                anchors.fill: parent
-                z: 100
-
-                enabled: Config.showFancyEffects
-
-                function processFancyEffectsReason(fancyEffect) {
-                    if (fancyEffect === "snowflake") {
-                        fancyEffectsContainer.showSnowEffect();
-                    }
-                    if (fancyEffect === "fireworks") {
-                        fancyEffectsContainer.showFireworksEffect();
-                    }
-                    if (fancyEffect === "confetti") {
-                        fancyEffectsContainer.showConfettiEffect();
-                    }
-                }
-
-                Connections {
-                    //enabled: Config.showFancyEffects
-                    target: root.timelineModel.messageEventModel
-
-                    function onFancyEffectsReasonFound(fancyEffect) {
-                        fancyEffectsContainer.processFancyEffectsReason(fancyEffect);
-                    }
-                }
-
-                Connections {
-                    enabled: Config.showFancyEffects
-                    target: actionsHandler
-
-                    function onShowEffect(fancyEffect) {
-                        fancyEffectsContainer.processFancyEffectsReason(fancyEffect);
-                    }
-                }
-            }
-        }
-
         function goToLastMessage() {
             root.currentRoom.markAllMessagesAsRead();
             // scroll to the very end, i.e to messageListView.YEnd
diff --git a/src/qml/confetti.png b/src/qml/confetti.png
deleted file mode 100644
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diff --git a/src/settings/AppearanceSettingsPage.qml b/src/settings/AppearanceSettingsPage.qml
index 5bd9d025c..646c88353 100644
--- a/src/settings/AppearanceSettingsPage.qml
+++ b/src/settings/AppearanceSettingsPage.qml
@@ -227,22 +227,6 @@ FormCard.FormCardPage {
 
     FormCard.FormCard {
         Layout.topMargin: Kirigami.Units.largeSpacing
-        FormCard.FormCheckDelegate {
-            id: showFancyEffectsDelegate
-            text: i18n("Show fancy effects in chat")
-            checked: Config.showFancyEffects
-            enabled: !Config.isShowFancyEffectsImmutable
-            onToggled: {
-                Config.showFancyEffects = checked;
-                Config.save();
-            }
-        }
-
-        FormCard.FormDelegateSeparator {
-            above: showFancyEffectsDelegate
-            below: hasWindowSystemDelegate
-        }
-
         FormCard.FormCheckDelegate {
             id: hasWindowSystemDelegate
             visible: WindowController.hasWindowSystem