134 lines
3.8 KiB
TypeScript
134 lines
3.8 KiB
TypeScript
import {UhkBuffer} from '../UhkBuffer';
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import {keyActionType, KeyActionId, KeyAction} from './KeyAction';
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import {KeyModifiers} from './KeyModifiers';
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import {assertUInt8, assertEnum} from '../assert';
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import {LongPressAction} from './LongPressAction';
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export enum KeystrokeActionFlag {
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scancode = 1 << 0,
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modifierMask = 1 << 1,
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longPressAction = 1 << 2,
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}
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interface JsObjectKeystrokeAction {
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keyActionType: string;
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scancode?: number;
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modifierMask?: number;
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longPressAction?: string;
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}
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export class KeystrokeAction extends KeyAction {
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@assertUInt8
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scancode: number;
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@assertUInt8
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modifierMask: number;
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@assertEnum(LongPressAction)
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longPressAction: LongPressAction;
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_fromJsObject(jsObject: JsObjectKeystrokeAction): KeystrokeAction {
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this.assertKeyActionType(jsObject);
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this.scancode = jsObject.scancode;
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this.modifierMask = jsObject.modifierMask;
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this.longPressAction = LongPressAction[jsObject.longPressAction];
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return this;
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}
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_fromBinary(buffer: UhkBuffer): KeystrokeAction {
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let keyActionId: KeyActionId = this.readAndAssertKeyActionId(buffer);
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let flags: number = keyActionId - KeyActionId.KeystrokeAction;
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if (flags & KeystrokeActionFlag.scancode) {
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this.scancode = buffer.readUInt8();
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}
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if (flags & KeystrokeActionFlag.modifierMask) {
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this.modifierMask = buffer.readUInt8();
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}
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if (flags & KeystrokeActionFlag.longPressAction) {
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this.longPressAction = buffer.readUInt8();
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}
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return this;
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}
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_toJsObject(): JsObjectKeystrokeAction {
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let jsObject: JsObjectKeystrokeAction = {
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keyActionType: keyActionType.KeystrokeAction
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};
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if (this.hasScancode()) {
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jsObject.scancode = this.scancode;
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}
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if (this.hasActiveModifier()) {
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jsObject.modifierMask = this.modifierMask;
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}
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if (this.hasLongPressAction()) {
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jsObject.longPressAction = LongPressAction[this.longPressAction];
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}
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return jsObject;
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}
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_toBinary(buffer: UhkBuffer) {
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let flags = 0;
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let bufferData: number[] = [];
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if (this.hasScancode()) {
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flags |= KeystrokeActionFlag.scancode;
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bufferData.push(this.scancode);
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}
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if (this.hasActiveModifier()) {
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flags |= KeystrokeActionFlag.modifierMask;
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bufferData.push(this.modifierMask);
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}
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if (this.hasLongPressAction()) {
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flags |= KeystrokeActionFlag.longPressAction;
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bufferData.push(this.longPressAction);
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}
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buffer.writeUInt8(KeyActionId.KeystrokeAction + flags);
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for (let i = 0; i < bufferData.length; ++i) {
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buffer.writeUInt8(bufferData[i]);
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}
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}
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toString(): string {
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let properties: string[] = [];
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if (this.hasScancode()) {
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properties.push(`scancode="${this.scancode}"`);
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}
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if (this.hasActiveModifier()) {
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properties.push(`modifierMask="${this.modifierMask}"`);
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}
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if (this.hasLongPressAction()) {
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properties.push(`longPressAction="${this.longPressAction}"`);
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}
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return `<KeystrokeAction ${properties.join(' ')}>`;
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}
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isActive(modifier: KeyModifiers): boolean {
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return (this.modifierMask & modifier) > 0;
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}
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hasActiveModifier(): boolean {
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return this.modifierMask > 0;
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}
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hasLongPressAction(): boolean {
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return this.longPressAction !== undefined;
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}
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hasScancode(): boolean {
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return !!this.scancode;
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}
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hasOnlyOneActiveModifier(): boolean {
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return this.modifierMask !== 0 && !(this.modifierMask & this.modifierMask - 1);
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}
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}
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