electron-chrome-extensions/dist/browser-action.js

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/***/ "electron":
/*!***************************!*\
  !*** external "electron" ***!
  \***************************/
/***/ ((module) => {

module.exports = require("electron");

/***/ }),

/***/ "events":
/*!*************************!*\
  !*** external "events" ***!
  \*************************/
/***/ ((module) => {

module.exports = require("events");

/***/ })

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var __webpack_exports__ = {};
// This entry need to be wrapped in an IIFE because it need to be isolated against other modules in the chunk.
(() => {
/*!*******************************!*\
  !*** ./src/browser-action.ts ***!
  \*******************************/
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "injectBrowserAction": () => (/* binding */ injectBrowserAction)
/* harmony export */ });
/* harmony import */ var electron__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! electron */ "electron");
/* harmony import */ var electron__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(electron__WEBPACK_IMPORTED_MODULE_0__);
/* harmony import */ var events__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! events */ "events");
/* harmony import */ var events__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(events__WEBPACK_IMPORTED_MODULE_1__);


const injectBrowserAction = () => {
  const actionMap = new Map();
  const internalEmitter = new events__WEBPACK_IMPORTED_MODULE_1__.EventEmitter();
  const observerCounts = new Map();

  const invoke = (name, partition, ...args) => {
    return electron__WEBPACK_IMPORTED_MODULE_0__.ipcRenderer.invoke('crx-msg-remote', partition, name, ...args);
  };

  const browserAction = {
    addEventListener(name, listener) {
      internalEmitter.addListener(name, listener);
    },

    removeEventListener(name, listener) {
      internalEmitter.removeListener(name, listener);
    },

    getAction(extensionId) {
      return actionMap.get(extensionId);
    },

    async getState(partition) {
      const state = await invoke('browserAction.getState', partition);

      for (const action of state.actions) {
        actionMap.set(action.id, action);
      }

      queueMicrotask(() => internalEmitter.emit('update', state));
      return state;
    },

    activate: (partition, details) => {
      return invoke('browserAction.activate', partition, details);
    },

    addObserver(partition) {
      let count = observerCounts.has(partition) ? observerCounts.get(partition) : 0;
      count = count + 1;
      observerCounts.set(partition, count);

      if (count === 1) {
        invoke('browserAction.addObserver', partition);
      }
    },

    removeObserver(partition) {
      let count = observerCounts.has(partition) ? observerCounts.get(partition) : 0;
      count = Math.max(count - 1, 0);
      observerCounts.set(partition, count);

      if (count === 0) {
        invoke('browserAction.removeObserver', partition);
      }
    }

  };
  electron__WEBPACK_IMPORTED_MODULE_0__.ipcRenderer.on('browserAction.update', () => {
    for (const partition of observerCounts.keys()) {
      browserAction.getState(partition);
    }
  }); // Function body to run in the main world.
  // IMPORTANT: This must be self-contained, no closure variables can be used!

  function mainWorldScript(bA) {
    const DEFAULT_PARTITION = '_self';

    class BrowserActionElement extends HTMLButtonElement {
      get id() {
        return this.getAttribute('id') || '';
      }

      set id(id) {
        this.setAttribute('id', id);
      }

      get tab() {
        const tabId = parseInt(this.getAttribute('tab') || '', 10);
        return typeof tabId === 'number' && !isNaN(tabId) ? tabId : -1;
      }

      set tab(tab) {
        this.setAttribute('tab', `${tab}`);
      }

      get partition() {
        return this.getAttribute('partition');
      }

      set partition(partition) {
        if (partition) {
          this.setAttribute('partition', partition);
        } else {
          this.removeAttribute('partition');
        }
      }

      static get observedAttributes() {
        return ['id', 'tab', 'partition'];
      }

      constructor() {
        super(); // TODO: event delegation

        this.updateId = void 0;
        this.badge = void 0;
        this.pendingIcon = void 0;
        this.addEventListener('click', this.onClick.bind(this));
        this.addEventListener('contextmenu', this.onContextMenu.bind(this));
      }

      connectedCallback() {
        if (this.isConnected) {
          this.update();
        }
      }

      disconnectedCallback() {
        if (this.updateId) {
          cancelAnimationFrame(this.updateId);
          this.updateId = undefined;
        }

        if (this.pendingIcon) {
          this.pendingIcon = undefined;
        }
      }

      attributeChangedCallback() {
        if (this.isConnected) {
          this.update();
        }
      }

      activate(event) {
        const rect = this.getBoundingClientRect();
        bA.activate(this.partition || DEFAULT_PARTITION, {
          eventType: event.type,
          extensionId: this.id,
          tabId: this.tab,
          anchorRect: {
            x: rect.left,
            y: rect.top,
            width: rect.width,
            height: rect.height
          }
        });
      }

      onClick(event) {
        this.activate(event);
      }

      onContextMenu(event) {
        event.stopImmediatePropagation();
        event.preventDefault();
        this.activate(event);
      }

      getBadge() {
        let badge = this.badge;

        if (!badge) {
          this.badge = badge = document.createElement('div');
          badge.className = 'badge';
          badge.part = 'badge';
          this.appendChild(badge);
        }

        return badge;
      }

      update() {
        if (this.updateId) return;
        this.updateId = requestAnimationFrame(this.updateCallback.bind(this));
      }

      updateIcon(info) {
        const iconSize = 32;
        const resizeType = 2;
        const timeParam = info.iconModified ? `&t=${info.iconModified}` : '';
        const iconUrl = `crx://extension-icon/${this.id}/${iconSize}/${resizeType}?tabId=${this.tab}${timeParam}`;
        const bgImage = `url(${iconUrl})`;

        if (this.pendingIcon) {
          this.pendingIcon = undefined;
        } // Preload icon to prevent it from blinking


        const img = this.pendingIcon = new Image();

        img.onload = () => {
          if (this.isConnected) {
            this.style.backgroundImage = bgImage;
            this.pendingIcon = undefined;
          }
        };

        img.src = iconUrl;
      }

      updateCallback() {
        this.updateId = undefined;
        const action = bA.getAction(this.id);
        const activeTabId = this.tab;
        const tabInfo = activeTabId > -1 ? action.tabs[activeTabId] : {};
        const info = { ...tabInfo,
          ...action
        };
        this.title = typeof info.title === 'string' ? info.title : '';
        this.updateIcon(info);

        if (info.text) {
          const badge = this.getBadge();
          badge.textContent = info.text;
          badge.style.color = '#fff'; // TODO: determine bg lightness?

          badge.style.backgroundColor = info.color;
        } else if (this.badge) {
          this.badge.remove();
          this.badge = undefined;
        }
      }

    }

    customElements.define('browser-action', BrowserActionElement, {
      extends: 'button'
    });

    class BrowserActionListElement extends HTMLElement {
      get tab() {
        const tabId = parseInt(this.getAttribute('tab') || '', 10);
        return typeof tabId === 'number' && !isNaN(tabId) ? tabId : null;
      }

      set tab(tab) {
        if (typeof tab === 'number') {
          this.setAttribute('tab', `${tab}`);
        } else {
          this.removeAttribute('tab');
        }
      }

      get partition() {
        return this.getAttribute('partition');
      }

      set partition(partition) {
        if (partition) {
          this.setAttribute('partition', partition);
        } else {
          this.removeAttribute('partition');
        }
      }

      static get observedAttributes() {
        return ['tab', 'partition'];
      }

      constructor() {
        super();
        this.observing = false;

        this.fetchState = async () => {
          try {
            await bA.getState(this.partition || DEFAULT_PARTITION);
          } catch {
            console.error(`browser-action-list failed to update [tab: ${this.tab}, partition: '${this.partition}']`);
          }
        };

        this.update = state => {
          const tabId = typeof this.tab === 'number' && this.tab >= 0 ? this.tab : state.activeTabId || -1;

          for (const action of state.actions) {
            var _this$shadowRoot;

            let browserActionNode = (_this$shadowRoot = this.shadowRoot) === null || _this$shadowRoot === void 0 ? void 0 : _this$shadowRoot.querySelector(`[id=${action.id}]`);

            if (!browserActionNode) {
              var _this$shadowRoot2;

              const node = document.createElement('button', {
                is: 'browser-action'
              });
              node.id = action.id;
              node.className = 'action';
              node.part = 'action';
              browserActionNode = node;
              (_this$shadowRoot2 = this.shadowRoot) === null || _this$shadowRoot2 === void 0 ? void 0 : _this$shadowRoot2.appendChild(browserActionNode);
            }

            if (this.partition) browserActionNode.partition = this.partition;
            browserActionNode.tab = tabId;
          }
        };

        const shadowRoot = this.attachShadow({
          mode: 'open'
        });
        const style = document.createElement('style');
        style.textContent = `
:host {
  display: flex;
  flex-direction: row;
  gap: 5px;
}

.action {
  width: 28px;
  height: 28px;
  background-color: transparent;
  background-position: center;
  background-repeat: no-repeat;
  background-size: 70%;
  border: none;
  border-radius: 4px;
  padding: 0;
  position: relative;
  outline: none;
}

.action:hover {
  background-color: var(--browser-action-hover-bg, rgba(255, 255, 255, 0.3));
}

.badge {
  box-shadow: 0px 0px 1px 1px var(--browser-action-badge-outline, #444);
  box-sizing: border-box;
  max-width: 100%;
  height: 12px;
  padding: 0 2px;
  border-radius: 2px;
  position: absolute;
  bottom: 1px;
  right: 0;
  pointer-events: none;
  line-height: 1.5;
  font-size: 9px;
  font-weight: 400;
  overflow: hidden;
  white-space: nowrap;
}`;
        shadowRoot.appendChild(style);
      }

      connectedCallback() {
        if (this.isConnected) {
          this.startObserving();
          this.fetchState();
        }
      }

      disconnectedCallback() {
        this.stopObserving();
      }

      attributeChangedCallback(name, oldValue, newValue) {
        if (oldValue === newValue) return;

        if (this.isConnected) {
          this.fetchState();
        }
      }

      startObserving() {
        if (this.observing) return;
        bA.addEventListener('update', this.update);
        bA.addObserver(this.partition || DEFAULT_PARTITION);
        this.observing = true;
      }

      stopObserving() {
        if (!this.observing) return;
        bA.removeEventListener('update', this.update);
        bA.removeObserver(this.partition || DEFAULT_PARTITION);
        this.observing = false;
      }

    }

    customElements.define('browser-action-list', BrowserActionListElement);
  }

  try {
    electron__WEBPACK_IMPORTED_MODULE_0__.contextBridge.exposeInMainWorld('browserAction', browserAction); // Must execute script in main world to modify custom component registry.

    electron__WEBPACK_IMPORTED_MODULE_0__.webFrame.executeJavaScript(`(${mainWorldScript}(browserAction));`);
  } catch {
    // When contextIsolation is disabled, contextBridge will throw an error.
    // If that's the case, we're in the main world so we can just execute our
    // function.
    mainWorldScript(browserAction);
  }
};
})();

module.exports = __webpack_exports__;
/******/ })()
;
//# sourceMappingURL=browser-action.js.map