path: root/resources/qml/TopBar.qml

// SPDX-FileCopyrightText: 2021 Nheko Contributors
//
// SPDX-License-Identifier: GPL-3.0-or-later

import Qt.labs.platform 1.1 as Platform
import QtQuick 2.15
import QtQuick.Controls 2.15
import QtQuick.Layouts 1.2
import QtQuick.Window 2.15
import im.nheko 1.0

import "./delegates"

Rectangle {
    id: topBar

    property bool showBackButton: false
    property string roomName: room ? room.roomName : qsTr("No room selected")
    property string roomId: room ? room.roomId : ""
    property string avatarUrl: room ? room.roomAvatarUrl : ""
    property string roomTopic: room ? room.roomTopic : ""
    property bool isEncrypted: room ? room.isEncrypted : false
    property int trustlevel: room ? room.trustlevel : Crypto.Unverified
    property bool isDirect: room ? room.isDirect : false
    property string directChatOtherUserId: room ? room.directChatOtherUserId : ""

    Layout.fillWidth: true
    implicitHeight: topLayout.height + Nheko.paddingMedium * 2
    z: 3
    color: Nheko.colors.window

    TapHandler {
        onSingleTapped: {
            if (eventPoint.position.y > topBar.height - (pinnedMessages.visible ? pinnedMessages.height : 0)) {
                eventPoint.accepted = true
                return;
            }
            if (showBackButton && eventPoint.position.x < Nheko.paddingMedium + backToRoomsButton.width) {
                eventPoint.accepted = true
                return;
            }
            if (eventPoint.position.x > topBar.width - Nheko.paddingMedium - roomOptionsButton.width) {
                eventPoint.accepted = true
                return;
            }

            if (room) {
                let p = topBar.mapToItem(roomTopicC, eventPoint.position.x, eventPoint.position.y);
                let link = roomTopicC.linkAt(p.x, p.y);

                if (link) {
                    Nheko.openLink(link);
                } else {
                    TimelineManager.openRoomSettings(room.roomId);
                }
            }

            eventPoint.accepted = true;
        }
        gesturePolicy: TapHandler.ReleaseWithinBounds
    }

    HoverHandler {
        grabPermissions: PointerHandler.TakeOverForbidden | PointerHandler.CanTakeOverFromAnything
    }

    GridLayout {
        id: topLayout

        anchors.left: parent.left
        anchors.right: parent.right
        anchors.margins: Nheko.paddingMedium
        anchors.verticalCenter: parent.verticalCenter
        columnSpacing: Nheko.paddingSmall
        rowSpacing: Nheko.paddingSmall

        ImageButton {
            id: backToRoomsButton

            Layout.column: 0
            Layout.row: 0
            Layout.rowSpan: 2
            Layout.alignment: Qt.AlignVCenter
            Layout.preferredHeight: Nheko.avatarSize - Nheko.paddingMedium
            Layout.preferredWidth: Nheko.avatarSize - Nheko.paddingMedium
            visible: showBackButton
            image: ":/icons/icons/ui/angle-arrow-left.svg"
            ToolTip.visible: hovered
            ToolTip.text: qsTr("Back to room list")
            onClicked: Rooms.resetCurrentRoom()
        }

        Avatar {
            Layout.column: 1
            Layout.row: 0
            Layout.rowSpan: 2
            Layout.alignment: Qt.AlignVCenter
            width: Nheko.avatarSize
            height: Nheko.avatarSize
            url: avatarUrl.replace("mxc://", "image://MxcImage/")
            roomid: roomId
            userid: isDirect ? directChatOtherUserId : ""
            displayName: roomName
            enabled: false
        }

        Label {
            Layout.fillWidth: true
            Layout.column: 2
            Layout.row: 0
            color: Nheko.colors.text
            font.pointSize: fontMetrics.font.pointSize * 1.1
            text: roomName
            maximumLineCount: 1
            elide: Text.ElideRight
            textFormat: Text.RichText
        }

        MatrixText {
            id: roomTopicC
            Layout.fillWidth: true
            Layout.column: 2
            Layout.row: 1
            Layout.maximumHeight: fontMetrics.lineSpacing * 2 // show 2 lines
            selectByMouse: false
            enabled: false
            clip: true
            text: roomTopic
        }

        EncryptionIndicator {
            Layout.column: 3
            Layout.row: 0
            Layout.rowSpan: 2
            Layout.preferredHeight: Nheko.avatarSize - Nheko.paddingMedium
            Layout.preferredWidth: Nheko.avatarSize - Nheko.paddingMedium
            sourceSize.height: Layout.preferredHeight * Screen.devicePixelRatio
            sourceSize.width: Layout.preferredWidth * Screen.devicePixelRatio
            visible: isEncrypted
            encrypted: isEncrypted
            trust: trustlevel
            ToolTip.text: {
                if (!encrypted)
                return qsTr("This room is not encrypted!");

                switch (trust) {
                    case Crypto.Verified:
                    return qsTr("This room contains only verified devices.");
                    case Crypto.TOFU:
                    return qsTr("This room contains verified devices and devices which have never changed their master key.");
                    default:
                    return qsTr("This room contains unverified devices!");
                }
            }
        }

        ImageButton {
            id: pinButton

            property bool pinsShown: !Settings.hiddenPins.includes(roomId)

            visible: !!room && room.pinnedMessages.length > 0
            Layout.column: 4
            Layout.row: 0
            Layout.rowSpan: 2
            Layout.alignment: Qt.AlignVCenter
            Layout.preferredHeight: Nheko.avatarSize - Nheko.paddingMedium
            Layout.preferredWidth: Nheko.avatarSize - Nheko.paddingMedium
            image: pinsShown ? ":/icons/icons/ui/pin.svg" : ":/icons/icons/ui/pin-off.svg"
            ToolTip.visible: hovered
            ToolTip.text: qsTr("Show or hide pinned messages")
            onClicked: {
                var ps = Settings.hiddenPins;
                if (pinsShown) {
                    ps.push(roomId);
                } else {
                    const index = ps.indexOf(roomId);
                    if (index > -1) {
                        ps.splice(index, 1);
                    }
                }
                Settings.hiddenPins = ps;
            }

        }

        ImageButton {
            id: roomOptionsButton

            visible: !!room
            Layout.column: 5
            Layout.row: 0
            Layout.rowSpan: 2
            Layout.alignment: Qt.AlignVCenter
            Layout.preferredHeight: Nheko.avatarSize - Nheko.paddingMedium
            Layout.preferredWidth: Nheko.avatarSize - Nheko.paddingMedium
            image: ":/icons/icons/ui/options.svg"
            ToolTip.visible: hovered
            ToolTip.text: qsTr("Room options")
            onClicked: roomOptionsMenu.open(roomOptionsButton)

            Platform.Menu {
                id: roomOptionsMenu

                Platform.MenuItem {
                    visible: room ? room.permissions.canInvite() : false
                    text: qsTr("Invite users")
                    onTriggered: TimelineManager.openInviteUsers(roomId)
                }

                Platform.MenuItem {
                    text: qsTr("Members")
                    onTriggered: TimelineManager.openRoomMembers(room)
                }

                Platform.MenuItem {
                    text: qsTr("Leave room")
                    onTriggered: TimelineManager.openLeaveRoomDialog(roomId)
                }

                Platform.MenuItem {
                    text: qsTr("Settings")
                    onTriggered: TimelineManager.openRoomSettings(roomId)
                }

            }

        }

        ScrollView {
            id: pinnedMessages

            Layout.row: 2
            Layout.column: 2
            Layout.columnSpan: 3

            Layout.fillWidth: true
            Layout.preferredHeight: Math.min(contentHeight, Nheko.avatarSize * 4)

            visible: !!room && room.pinnedMessages.length > 0 && !Settings.hiddenPins.includes(roomId)
            clip: true

            palette: Nheko.colors
            ScrollBar.horizontal.visible: false

            ListView {

                spacing: Nheko.paddingSmall
                model: room ? room.pinnedMessages : undefined
                delegate: RowLayout {
                    required property string modelData

                    width: ListView.view.width
                    height: implicitHeight

                    Reply {
                        property var e: room ? room.getDump(modelData, "") : {}
                        Layout.fillWidth: true
                        Layout.preferredHeight: height

                        userColor: TimelineManager.userColor(e.userId, Nheko.colors.window)
                        blurhash: e.blurhash ?? ""
                        body: e.body ?? ""
                        formattedBody: e.formattedBody ?? ""
                        eventId: e.eventId ?? ""
                        filename: e.filename ?? ""
                        filesize: e.filesize ?? ""
                        proportionalHeight: e.proportionalHeight ?? 1
                        type: e.type ?? MtxEvent.UnknownMessage
                        typeString: e.typeString ?? ""
                        url: e.url ?? ""
                        originalWidth: e.originalWidth ?? 0
                        isOnlyEmoji: e.isOnlyEmoji ?? false
                        userId: e.userId ?? ""
                        userName: e.userName ?? ""
                        encryptionError: e.encryptionError ?? ""
                    }

                    ImageButton {
                        id: deletePinButton

                        Layout.preferredHeight: 16
                        Layout.preferredWidth: 16
                        Layout.alignment: Qt.AlignTop | Qt.AlignLeft
                        visible: room.permissions.canChange(MtxEvent.PinnedEvents)

                        hoverEnabled: true
                        image: ":/icons/icons/ui/dismiss.svg"
                        ToolTip.visible: hovered
                        ToolTip.text: qsTr("Unpin")

                        onClicked: room.unpin(modelData)
                    }
                }


                ScrollHelper {
                    flickable: parent
                    anchors.fill: parent
                    enabled: !Settings.mobileMode
                }
            }
        }
    }

    CursorShape {
        anchors.fill: parent
        anchors.bottomMargin: pinnedMessages.visible ? pinnedMessages.height : 0
        cursorShape: Qt.PointingHandCursor
    }
}