discord-decomp/sources/modules/messages/native/VisibleMessagesWindowHandler.tsx

/* Metro module 11274; source: modules/messages/native/VisibleMessagesWindowHandler.tsx; dependencies: [7, 6, 8178, 2] */
function _fun86106(global, require, importDefault, importAll, module, exports, dependencyMap) { // fn#86106, source: /ci/build/discord/discord/discord_android_rn/android/app/src/main/assets/index.android.bundle:11460:6, offset: 0x01f87f4a, size: 160 bytes, params: 8, frame: 19
    const Object = global.Object;
    Object.defineProperty(exports, '__esModule', {value: true});
    let value = importDefault(7) /* metro dependency 7 */;
    const env0_0 = importDefault(6) /* metro dependency 6 */;
    const env0_1 = (require(8178) /* metro dependency 8178: RowGeneratorConstants */).RowType;
    value = value(function() {
        this(this, VisibleMessagesWindowHandler);
        this.data = null;
        this.callback = null;
        this.setCallback = _fun86109;
        this.clearCallback = _fun86110;
        this.handleScrollPosition = _fun86111;
    });
    (require(2) /* metro dependency 2 */).fileFinishedImporting('modules/messages/native/VisibleMessagesWindowHandler.tsx');
    exports.default = value;
}

function getRowMessageId(a0) { // fn#86107, source: /ci/build/discord/discord/discord_android_rn/android/app/src/main/assets/index.android.bundle:11460:134, offset: 0x01f87fea, size: 102 bytes, params: 2, frame: 4
    if (a0 == null) {
        return undefined;
    }
    if ('rowType' in a0) {
        if (a0.rowType === RowType.MESSAGE) {
            return a0.message.id;
        }
        return undefined;
    }
    const type = a0.type;
    const MESSAGE = RowType.MESSAGE;
    if (type !== MESSAGE) {
        return undefined;
    }
    return a0.message?.id;
}

function VisibleMessagesWindowHandler() { // fn#86108, source: /ci/build/discord/discord/discord_android_rn/android/app/src/main/assets/index.android.bundle:11460:317, offset: 0x01f88050, size: 87 bytes, params: 1, frame: 14
    this(this, VisibleMessagesWindowHandler);
    this.data = null;
    this.callback = null;
    this.setCallback = setCallback;
    this.clearCallback = clearCallback;
    this.handleScrollPosition = handleScrollPosition;
}

function setCallback(a0) { // fn#86109, source: /ci/build/discord/discord/discord_android_rn/android/app/src/main/assets/index.android.bundle:11460:445, owner: VisibleMessagesWindowHandler.setCallback, offset: 0x01f880a7, size: 51 bytes, params: 2, frame: 11
    let binding = env0_0;
    binding.callback = a0;
    if (binding.data != null) {
        binding = env0_0;
        binding.callback(binding.data);
    }
}

function clearCallback() { // fn#86110, source: /ci/build/discord/discord/discord_android_rn/android/app/src/main/assets/index.android.bundle:11460:527, owner: VisibleMessagesWindowHandler.clearCallback, offset: 0x01f880da, size: 25 bytes, params: 1, frame: 3
    const binding = env0_0;
    binding.callback = null;
    binding.data = null;
}

function VisibleMessagesWindowHandlerHandleScrollPosition({rows, firstVisibleMessageRowIndex, lastVisibleMessageRowIndex}) { // fn#86111, source: /ci/build/discord/discord/discord_android_rn/android/app/src/main/assets/index.android.bundle:11460:593, owner: VisibleMessagesWindowHandler.handleScrollPosition, offset: 0x01f880f3, size: 316 bytes, params: 2, frame: 20
    var r1;
    var r4;
    var r6;
    var r7;
    var r3;
    var value3;
    var rowMessageId;
    var value5;
    var length;
    var value6;
    var rowMessageId2;
    var value8;
    var Math;
    var value9;
    var value10;
    var rowMessageId3;
    var value12;
    var binding;
    if (env0_0.callback != null) {
        if (firstVisibleMessageRowIndex != null) {
            value3 = environment.__proto__;
            if (firstVisibleMessageRowIndex >= 0) {
                r1 = firstVisibleMessageRowIndex;
                while (true) {
                    rowMessageId = getRowMessageId(rows[r1]);
                    if (rowMessageId != null) {
                        r4 = rowMessageId;
                        break;
                    }
                    value5 = typeof r1 === 'bigint' ? r1 - 1n : +r1 - 1;
                    if (value5 >= 0) {
                        r1 = value5;
                        continue;
                    }
                    r4 = null;
                    break;
                }
            } else {
                r4 = null;
            }
        } else {
            r4 = null;
        }
        if (lastVisibleMessageRowIndex != null) {
            length = rows.length;
            value6 = environment.__proto__;
            if (lastVisibleMessageRowIndex < length) {
                r6 = lastVisibleMessageRowIndex;
                while (true) {
                    rowMessageId2 = getRowMessageId(rows[r6]);
                    if (rowMessageId2 != null) {
                        r1 = rowMessageId2;
                        break;
                    }
                    value8 = typeof r6 === 'bigint' ? r6 + 1n : +r6 + 1;
                    length = rows.length;
                    if (value8 < length) {
                        r6 = value8;
                        continue;
                    }
                    r1 = null;
                    break;
                }
            } else {
                r1 = null;
            }
        } else {
            r1 = null;
        }
        if (firstVisibleMessageRowIndex != null) {
            if (lastVisibleMessageRowIndex != null) {
                Math = global.Math;
                value9 = firstVisibleMessageRowIndex + Math.floor((lastVisibleMessageRowIndex - firstVisibleMessageRowIndex) / 2);
                length = rows.length;
                value10 = environment.__proto__;
                if (value9 < length) {
                    r7 = value9;
                    while (true) {
                        rowMessageId3 = getRowMessageId(rows[r7]);
                        if (rowMessageId3 != null) {
                            r3 = rowMessageId3;
                            break;
                        }
                        value12 = typeof r7 === 'bigint' ? r7 + 1n : +r7 + 1;
                        length = rows.length;
                        if (value12 < length) {
                            r7 = value12;
                            continue;
                        }
                        r3 = null;
                        break;
                    }
                } else {
                    r3 = null;
                }
            } else {
                r3 = null;
            }
        } else {
            r3 = null;
        }
        binding = env0_0;
        binding.data = {topVisibleMessage: r4, middleVisibleMessage: r3, bottomVisibleMessage: r1};
        binding.callback(binding.data);
    }
}