Add pressed and released event to allow usage as momentary button

Author: indykoning

README.md

@@ -58,7 +58,7 @@ Lovelace Button card for your entities.
 ## Features
 
 - works with any toggleable entity
-- 6 available actions on **tap** and/or **hold** and/or **double click**: `none`, `toggle`, `more-info`, `navigate`, `url` and `call-service`
+- 6 available actions on **tap** and/or **hold** and/or **double click** and/or **press**and/or **release**: `none`, `toggle`, `more-info`, `navigate`, `url` and `call-service`
 - state display (optional)
 - custom color (optional), or based on light rgb value/temperature
 - custom state definition with customizable color, icon and style (optional)
@@ -98,6 +98,8 @@ Lovelace Button card for your entities.
 | `tap_action` | object | optional | See [Action](#Action) | Define the type of action on click, if undefined, toggle will be used. |
 | `hold_action` | object | optional | See [Action](#Action) | Define the type of action on hold, if undefined, nothing happens. |
 | `double_tap_action` | object | optional | See [Action](#Action) | Define the type of action on double click, if undefined, nothing happens. |
+| `press_action` | object | optional | See [Action](#Action) | Define the type of action on press (triggers the moment your finger presses the button), if undefined, nothing happens. |
+| `release_action` | object | optional | See [Action](#Action) | Define the type of action on releasing the button, if undefined, nothing happens. |
 | `name` | string | optional | `Air conditioner` | Define an optional text to show below the icon. Supports templates, see [templates](#javascript-templates) |
 | `state_display` | string | optional | `On` | Override the way the state is displayed. Supports templates, see [templates](#javascript-templates) |
 | `label` | string | optional | Any string that you want | Display a label below the card. See [Layouts](#layout) for more information. Supports templates, see [templates](#javascript-templates) |

src/action-handler.ts

@@ -3,6 +3,8 @@ import { directive, PropertyPart } from 'lit-html';
 // tslint:disable-next-line
 import { Ripple } from '@material/mwc-ripple';
 import { myFireEvent } from './my-fire-event';
+import { ButtonCardConfig } from './types';
+import { HomeAssistant, ActionConfig, fireEvent, forwardHaptic, navigate, toggleEntity } from 'custom-card-helpers';
 
 const isTouch = 'ontouchstart' in window || navigator.maxTouchPoints > 0 || navigator.msMaxTouchPoints > 0;
 
@@ -95,6 +97,7 @@ class ActionHandler extends HTMLElement implements ActionHandler {
     });
 
     const start = (ev: Event): void => {
+      myFireEvent(element, 'action', { action: 'press' });
       this.held = false;
       let x;
       let y;
@@ -129,6 +132,7 @@ class ActionHandler extends HTMLElement implements ActionHandler {
     const end = (ev: Event): void => {
       // Prevent mouse event if touch event
       ev.preventDefault();
+      myFireEvent(element, 'action', { action: 'release' });
       if (['touchend', 'touchcancel'].includes(ev.type) && this.timer === undefined) {
         if (this.isRepeating && this.repeatTimeout) {
           clearInterval(this.repeatTimeout);
@@ -220,3 +224,66 @@ export const actionHandlerBind = (element: ActionHandlerElement, options: Action
 export const actionHandler = directive((options: ActionHandlerOptions = {}) => (part: PropertyPart): void => {
   actionHandlerBind(part.committer.element as ActionHandlerElement, options);
 });
+
+export const executeAction = (
+  node: HTMLElement,
+  hass: HomeAssistant,
+  config: ButtonCardConfig,
+  action: string,
+): void => {
+  let actionConfig: ActionConfig | undefined;
+  actionConfig = config[action];
+
+  if (!actionConfig) {
+    actionConfig = {
+      action: 'more-info',
+    };
+  }
+
+  if (
+    actionConfig.confirmation &&
+    (!actionConfig.confirmation.exemptions ||
+      !actionConfig.confirmation.exemptions.some(e => e.user === hass!.user!.id))
+  ) {
+    forwardHaptic('warning');
+
+    if (!confirm(actionConfig.confirmation.text || `Are you sure you want to ${actionConfig.action}?`)) {
+      return;
+    }
+  }
+
+  switch (actionConfig.action) {
+    case 'more-info':
+      if (config.entity) {
+        fireEvent(node, 'hass-more-info', {
+          entityId: config.entity,
+        });
+      }
+      break;
+    case 'navigate':
+      if (actionConfig.navigation_path) {
+        navigate(node, actionConfig.navigation_path);
+      }
+      break;
+    case 'url':
+      if (actionConfig.url_path) {
+        window.open(actionConfig.url_path);
+      }
+      break;
+    case 'toggle':
+      if (config.entity) {
+        toggleEntity(hass, config.entity!);
+        forwardHaptic('success');
+      }
+      break;
+    case 'call-service': {
+      if (!actionConfig.service) {
+        forwardHaptic('failure');
+        return;
+      }
+      const [domain, service] = actionConfig.service.split('.', 2);
+      hass.callService(domain, service, actionConfig.service_data);
+      forwardHaptic('success');
+    }
+  }
+};

src/button-card.ts

@@ -39,7 +39,7 @@ import {
   ButtonCardEmbeddedCards,
   ButtonCardEmbeddedCardsConfig,
 } from './types';
-import { actionHandler } from './action-handler';
+import { actionHandler, executeAction } from './action-handler';
 import {
   computeDomain,
   computeEntity,
@@ -630,7 +630,15 @@ class ButtonCard extends LitElement {
     const tap_action = this._getTemplateOrValue(state, this._config!.tap_action!.action);
     const hold_action = this._getTemplateOrValue(state, this._config!.hold_action!.action);
     const double_tap_action = this._getTemplateOrValue(state, this._config!.double_tap_action!.action);
-    if (tap_action != 'none' || hold_action != 'none' || double_tap_action != 'none') {
+    const press_action = this._getTemplateOrValue(state, this._config!.press_action!.action);
+    const release_action = this._getTemplateOrValue(state, this._config!.release_action!.action);
+    if (
+      tap_action != 'none' ||
+      hold_action != 'none' ||
+      double_tap_action != 'none' ||
+      press_action != 'none' ||
+      release_action != 'none'
+    ) {
       clickable = true;
     } else {
       clickable = false;
@@ -933,6 +941,8 @@ class ButtonCard extends LitElement {
     this._config = {
       hold_action: { action: 'none' },
       double_tap_action: { action: 'none' },
+      press_action: { action: 'none' },
+      release_action: { action: 'none' },
       layout: 'vertical',
       size: '40%',
       color_type: 'icon',
@@ -1049,6 +1059,12 @@ class ButtonCard extends LitElement {
   private _handleAction(ev: any): void {
     if (ev.detail && ev.detail.action) {
       switch (ev.detail.action) {
+        case 'press':
+          this._handlePress(ev);
+          break;
+        case 'release':
+          this._handleRelease(ev);
+          break;
         case 'tap':
           this._handleTap(ev);
           break;
@@ -1064,6 +1080,18 @@ class ButtonCard extends LitElement {
     }
   }
 
+  private _handlePress(ev): void {
+    const config = ev.target.config;
+    if (!config) return;
+    executeAction(this, this._hass!, this._evalActions(config, 'press_action'), 'press_action');
+  }
+
+  private _handleRelease(ev): void {
+    const config = ev.target.config;
+    if (!config) return;
+    executeAction(this, this._hass!, this._evalActions(config, 'release_action'), 'release_action');
+  }
+
   private _handleTap(ev): void {
     const config = ev.target.config;
     if (!config) return;

src/types.ts

@@ -15,6 +15,8 @@ export interface ButtonCardConfig {
   tap_action?: ActionConfig;
   hold_action?: ActionConfig;
   double_tap_action?: ActionConfig;
+  press_action?: ActionConfig;
+  release_action?: ActionConfig;
   show_name?: boolean;
   show_state?: boolean;
   show_icon?: boolean;