Message Content Rework

For now everything should look identical. However this moves to using a model for the content of the message and is intended to lay the foundation for improved message content representation, e.g. splitting up a text message in multiple sections and using different delegates for things like code and quotes.

src/qml/MessageComponentChooser.qml

@@ -0,0 +1,172 @@
+// SPDX-FileCopyrightText: 2024 James Graham <james.h.graham@protonmail.com>
+// SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+
+import QtQuick
+import Qt.labs.qmlmodels
+
+import org.kde.neochat
+
+/**
+ * @brief Select a message component based on a MessageComponentType.
+ */
+DelegateChooser {
+    id: root
+
+    /**
+     * @brief The NeoChatRoom the delegate is being displayed in.
+     */
+    required property NeoChatRoom room
+
+    /**
+     * @brief The ActionsHandler object to use.
+     *
+     * This is expected to have the correct room set otherwise messages will be sent
+     * to the wrong room.
+     */
+    required property ActionsHandler actionsHandler
+
+    /**
+     * @brief The timeline ListView this component is being used in.
+     */
+    required property ListView timeline
+
+    /**
+     * @brief The maximum width that the bubble's content can be.
+     */
+    property real maxContentWidth: -1
+
+    /**
+     * @brief The reply has been clicked.
+     */
+    signal replyClicked(string eventID)
+
+    /**
+     * @brief The user selected text has changed.
+     */
+    signal selectedTextChanged(string selectedText)
+
+    /**
+     * @brief Request a context menu be show for the message.
+     */
+    signal showMessageMenu()
+
+    role: "componentType"
+
+    DelegateChoice {
+        roleValue: MessageComponentType.Text
+        delegate: TextComponent {
+            maxContentWidth: root.maxContentWidth
+            onSelectedTextChanged: root.selectedTextChanged(selectedText);
+            onShowMessageMenu: root.showMessageMenu()
+        }
+    }
+
+    DelegateChoice {
+        roleValue: MessageComponentType.Image
+        delegate: ImageComponent {
+            room: root.room
+            timeline: root.timeline
+            maxContentWidth: root.maxContentWidth
+        }
+    }
+
+    DelegateChoice {
+        roleValue: MessageComponentType.Video
+        delegate: VideoComponent {
+            room: root.room
+            timeline: root.timeline
+            maxContentWidth: root.maxContentWidth
+        }
+    }
+
+    DelegateChoice {
+        roleValue: MessageComponentType.Audio
+        delegate: AudioComponent {
+            room: root.room
+            maxContentWidth: root.maxContentWidth
+        }
+    }
+
+    DelegateChoice {
+        roleValue: MessageComponentType.File
+        delegate: FileComponent {
+            room: root.room
+            maxContentWidth: root.maxContentWidth
+        }
+    }
+
+    DelegateChoice {
+        roleValue: MessageComponentType.Poll
+        delegate: PollComponent {
+            room: root.room
+            maxContentWidth: root.maxContentWidth
+        }
+    }
+
+    DelegateChoice {
+        roleValue: MessageComponentType.Location
+        delegate: LocationComponent {
+            maxContentWidth: root.maxContentWidth
+        }
+    }
+
+    DelegateChoice {
+        roleValue: MessageComponentType.LiveLocation
+        delegate: LiveLocationComponent {
+            room: root.room
+            maxContentWidth: root.maxContentWidth
+        }
+    }
+
+    DelegateChoice {
+        roleValue: MessageComponentType.Encrypted
+        delegate: EncryptedComponent {
+            maxContentWidth: root.maxContentWidth
+        }
+    }
+
+    DelegateChoice {
+        roleValue: MessageComponentType.Reply
+        delegate: ReplyComponent {
+            maxContentWidth: root.maxContentWidth
+            onReplyClicked: (eventId) => {root.replyClicked(eventId)}
+        }
+    }
+
+    DelegateChoice {
+        roleValue: MessageComponentType.ReplyLoad
+        delegate: LoadComponent {
+            type: LoadComponent.Reply
+            maxContentWidth: root.maxContentWidth
+        }
+    }
+
+    DelegateChoice {
+        roleValue: MessageComponentType.LinkPreview
+        delegate: LinkPreviewComponent {
+            maxContentWidth: root.maxContentWidth
+        }
+    }
+
+    DelegateChoice {
+        roleValue: MessageComponentType.LinkPreviewLoad
+        delegate: LoadComponent {
+            type: LoadComponent.LinkPreview
+            maxContentWidth: root.maxContentWidth
+        }
+    }
+
+    DelegateChoice {
+        roleValue: MessageComponentType.Edit
+        delegate: MessageEditComponent {
+            room: root.room
+            actionsHandler: root.actionsHandler
+            maxContentWidth: root.maxContentWidth
+        }
+    }
+
+    DelegateChoice {
+        roleValue: MessageComponentType.Other
+        delegate: Item {}
+    }
+}