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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+ChromeUtils.defineESModuleGetters(this, {
+ SearchUIUtils: "resource:///modules/SearchUIUtils.sys.mjs",
+});
+
+var BrowserPageActions = {
+ _panelNode: null,
+ /**
+ * The main page action button in the urlbar (DOM node)
+ */
+ get mainButtonNode() {
+ delete this.mainButtonNode;
+ return (this.mainButtonNode = document.getElementById("pageActionButton"));
+ },
+
+ /**
+ * The main page action panel DOM node (DOM node)
+ */
+ get panelNode() {
+ // Lazy load the page action panel the first time we need to display it
+ if (!this._panelNode) {
+ this.initializePanel();
+ }
+ delete this.panelNode;
+ return (this.panelNode = this._panelNode);
+ },
+
+ /**
+ * The panelmultiview node in the main page action panel (DOM node)
+ */
+ get multiViewNode() {
+ delete this.multiViewNode;
+ return (this.multiViewNode = document.getElementById(
+ "pageActionPanelMultiView"
+ ));
+ },
+
+ /**
+ * The main panelview node in the main page action panel (DOM node)
+ */
+ get mainViewNode() {
+ delete this.mainViewNode;
+ return (this.mainViewNode = document.getElementById(
+ "pageActionPanelMainView"
+ ));
+ },
+
+ /**
+ * The vbox body node in the main panelview node (DOM node)
+ */
+ get mainViewBodyNode() {
+ delete this.mainViewBodyNode;
+ return (this.mainViewBodyNode = this.mainViewNode.querySelector(
+ ".panel-subview-body"
+ ));
+ },
+
+ /**
+ * Inits. Call to init.
+ */
+ init() {
+ this.placeAllActionsInUrlbar();
+ this._onPanelShowing = this._onPanelShowing.bind(this);
+ },
+
+ _onPanelShowing() {
+ this.initializePanel();
+ for (let action of PageActions.actionsInPanel(window)) {
+ let buttonNode = this.panelButtonNodeForActionID(action.id);
+ action.onShowingInPanel(buttonNode);
+ }
+ },
+
+ placeLazyActionsInPanel() {
+ let actions = this._actionsToLazilyPlaceInPanel;
+ this._actionsToLazilyPlaceInPanel = [];
+ for (let action of actions) {
+ this._placeActionInPanelNow(action);
+ }
+ },
+
+ // Actions placed in the panel aren't actually placed until the panel is
+ // subsequently opened.
+ _actionsToLazilyPlaceInPanel: [],
+
+ /**
+ * Places all registered actions in the urlbar.
+ */
+ placeAllActionsInUrlbar() {
+ let urlbarActions = PageActions.actionsInUrlbar(window);
+ for (let action of urlbarActions) {
+ this.placeActionInUrlbar(action);
+ }
+ this._updateMainButtonAttributes();
+ },
+
+ /**
+ * Initializes the panel if necessary.
+ */
+ initializePanel() {
+ // Lazy load the page action panel the first time we need to display it
+ if (!this._panelNode) {
+ let template = document.getElementById("pageActionPanelTemplate");
+ template.replaceWith(template.content);
+ this._panelNode = document.getElementById("pageActionPanel");
+ this._panelNode.addEventListener("popupshowing", this._onPanelShowing);
+ }
+
+ for (let action of PageActions.actionsInPanel(window)) {
+ this.placeActionInPanel(action);
+ }
+ this.placeLazyActionsInPanel();
+ },
+
+ /**
+ * Adds or removes as necessary DOM nodes for the given action.
+ *
+ * @param action (PageActions.Action, required)
+ * The action to place.
+ */
+ placeAction(action) {
+ this.placeActionInPanel(action);
+ this.placeActionInUrlbar(action);
+ this._updateMainButtonAttributes();
+ },
+
+ /**
+ * Adds or removes as necessary DOM nodes for the action in the panel.
+ *
+ * @param action (PageActions.Action, required)
+ * The action to place.
+ */
+ placeActionInPanel(action) {
+ if (this._panelNode && this.panelNode.state != "closed") {
+ this._placeActionInPanelNow(action);
+ } else {
+ // This method may be called for the same action more than once
+ // (e.g. when an extension does call pageAction.show/hidden to
+ // enable or disable its own pageAction and we will have to
+ // update the urlbar overflow panel accordingly).
+ //
+ // Ensure we don't add the same actions more than once (otherwise we will
+ // not remove all the entries in _removeActionFromPanel).
+ if (
+ this._actionsToLazilyPlaceInPanel.findIndex(a => a.id == action.id) >= 0
+ ) {
+ return;
+ }
+ // Lazily place the action in the panel the next time it opens.
+ this._actionsToLazilyPlaceInPanel.push(action);
+ }
+ },
+
+ _placeActionInPanelNow(action) {
+ if (action.shouldShowInPanel(window)) {
+ this._addActionToPanel(action);
+ } else {
+ this._removeActionFromPanel(action);
+ }
+ },
+
+ _addActionToPanel(action) {
+ let id = this.panelButtonNodeIDForActionID(action.id);
+ let node = document.getElementById(id);
+ if (node) {
+ return;
+ }
+ this._maybeNotifyBeforePlacedInWindow(action);
+ node = this._makePanelButtonNodeForAction(action);
+ node.id = id;
+ let insertBeforeNode = this._getNextNode(action, false);
+ this.mainViewBodyNode.insertBefore(node, insertBeforeNode);
+ this.updateAction(action, null, {
+ panelNode: node,
+ });
+ this._updateActionDisabledInPanel(action, node);
+ action.onPlacedInPanel(node);
+ this._addOrRemoveSeparatorsInPanel();
+ },
+
+ _removeActionFromPanel(action) {
+ let lazyIndex = this._actionsToLazilyPlaceInPanel.findIndex(
+ a => a.id == action.id
+ );
+ if (lazyIndex >= 0) {
+ this._actionsToLazilyPlaceInPanel.splice(lazyIndex, 1);
+ }
+ let node = this.panelButtonNodeForActionID(action.id);
+ if (!node) {
+ return;
+ }
+ node.remove();
+ if (action.getWantsSubview(window)) {
+ let panelViewNodeID = this._panelViewNodeIDForActionID(action.id, false);
+ let panelViewNode = document.getElementById(panelViewNodeID);
+ if (panelViewNode) {
+ panelViewNode.remove();
+ }
+ }
+ this._addOrRemoveSeparatorsInPanel();
+ },
+
+ _addOrRemoveSeparatorsInPanel() {
+ let actions = PageActions.actionsInPanel(window);
+ let ids = [
+ PageActions.ACTION_ID_BUILT_IN_SEPARATOR,
+ PageActions.ACTION_ID_TRANSIENT_SEPARATOR,
+ ];
+ for (let id of ids) {
+ let sep = actions.find(a => a.id == id);
+ if (sep) {
+ this._addActionToPanel(sep);
+ } else {
+ let node = this.panelButtonNodeForActionID(id);
+ if (node) {
+ node.remove();
+ }
+ }
+ }
+ },
+
+ _updateMainButtonAttributes() {
+ this.mainButtonNode.toggleAttribute(
+ "multiple-children",
+ PageActions.actions.length > 1
+ );
+ },
+
+ /**
+ * Returns the node before which an action's node should be inserted.
+ *
+ * @param action (PageActions.Action, required)
+ * The action that will be inserted.
+ * @param forUrlbar (bool, required)
+ * True if you're inserting into the urlbar, false if you're inserting
+ * into the panel.
+ * @return (DOM node, maybe null) The DOM node before which to insert the
+ * given action. Null if the action should be inserted at the end.
+ */
+ _getNextNode(action, forUrlbar) {
+ let actions = forUrlbar
+ ? PageActions.actionsInUrlbar(window)
+ : PageActions.actionsInPanel(window);
+ let index = actions.findIndex(a => a.id == action.id);
+ if (index < 0) {
+ return null;
+ }
+ for (let i = index + 1; i < actions.length; i++) {
+ let node = forUrlbar
+ ? this.urlbarButtonNodeForActionID(actions[i].id)
+ : this.panelButtonNodeForActionID(actions[i].id);
+ if (node) {
+ return node;
+ }
+ }
+ return null;
+ },
+
+ _maybeNotifyBeforePlacedInWindow(action) {
+ if (!this._isActionPlacedInWindow(action)) {
+ action.onBeforePlacedInWindow(window);
+ }
+ },
+
+ _isActionPlacedInWindow(action) {
+ if (this.panelButtonNodeForActionID(action.id)) {
+ return true;
+ }
+ let urlbarNode = this.urlbarButtonNodeForActionID(action.id);
+ return urlbarNode && !urlbarNode.hidden;
+ },
+
+ _makePanelButtonNodeForAction(action) {
+ if (action.__isSeparator) {
+ let node = document.createXULElement("toolbarseparator");
+ return node;
+ }
+ let buttonNode = document.createXULElement("toolbarbutton");
+ buttonNode.classList.add(
+ "subviewbutton",
+ "subviewbutton-iconic",
+ "pageAction-panel-button"
+ );
+ if (action.isBadged) {
+ buttonNode.setAttribute("badged", "true");
+ }
+ buttonNode.setAttribute("actionid", action.id);
+ buttonNode.addEventListener("command", event => {
+ this.doCommandForAction(action, event, buttonNode);
+ });
+ return buttonNode;
+ },
+
+ _makePanelViewNodeForAction(action, forUrlbar) {
+ let panelViewNode = document.createXULElement("panelview");
+ panelViewNode.id = this._panelViewNodeIDForActionID(action.id, forUrlbar);
+ panelViewNode.classList.add("PanelUI-subView");
+ let bodyNode = document.createXULElement("vbox");
+ bodyNode.id = panelViewNode.id + "-body";
+ bodyNode.classList.add("panel-subview-body");
+ panelViewNode.appendChild(bodyNode);
+ return panelViewNode;
+ },
+
+ /**
+ * Shows or hides a panel for an action. You can supply your own panel;
+ * otherwise one is created.
+ *
+ * @param action (PageActions.Action, required)
+ * The action for which to toggle the panel. If the action is in the
+ * urlbar, then the panel will be anchored to it. Otherwise, a
+ * suitable anchor will be used.
+ * @param panelNode (DOM node, optional)
+ * The panel to use. This method takes a hands-off approach with
+ * regard to your panel in terms of attributes, styling, etc.
+ * @param event (DOM event, optional)
+ * The event which triggered this panel.
+ */
+ togglePanelForAction(action, panelNode = null, event = null) {
+ let aaPanelNode = this.activatedActionPanelNode;
+ if (panelNode) {
+ // Note that this particular code path will not prevent the panel from
+ // opening later if PanelMultiView.showPopup was called but the panel has
+ // not been opened yet.
+ if (panelNode.state != "closed") {
+ PanelMultiView.hidePopup(panelNode);
+ return;
+ }
+ if (aaPanelNode) {
+ PanelMultiView.hidePopup(aaPanelNode);
+ }
+ } else if (aaPanelNode) {
+ PanelMultiView.hidePopup(aaPanelNode);
+ return;
+ } else {
+ panelNode = this._makeActivatedActionPanelForAction(action);
+ }
+
+ // Hide the main panel before showing the action's panel.
+ PanelMultiView.hidePopup(this.panelNode);
+
+ let anchorNode = this.panelAnchorNodeForAction(action);
+ PanelMultiView.openPopup(panelNode, anchorNode, {
+ position: "bottomright topright",
+ triggerEvent: event,
+ }).catch(console.error);
+ },
+
+ _makeActivatedActionPanelForAction(action) {
+ let panelNode = document.createXULElement("panel");
+ panelNode.id = this._activatedActionPanelID;
+ panelNode.classList.add("cui-widget-panel", "panel-no-padding");
+ panelNode.setAttribute("actionID", action.id);
+ panelNode.setAttribute("role", "group");
+ panelNode.setAttribute("type", "arrow");
+ panelNode.setAttribute("flip", "slide");
+ panelNode.setAttribute("noautofocus", "true");
+ panelNode.setAttribute("tabspecific", "true");
+
+ let panelViewNode = null;
+ let iframeNode = null;
+
+ if (action.getWantsSubview(window)) {
+ let multiViewNode = document.createXULElement("panelmultiview");
+ panelViewNode = this._makePanelViewNodeForAction(action, true);
+ multiViewNode.setAttribute("mainViewId", panelViewNode.id);
+ multiViewNode.appendChild(panelViewNode);
+ panelNode.appendChild(multiViewNode);
+ } else if (action.wantsIframe) {
+ iframeNode = document.createXULElement("iframe");
+ iframeNode.setAttribute("type", "content");
+ panelNode.appendChild(iframeNode);
+ }
+
+ let popupSet = document.getElementById("mainPopupSet");
+ popupSet.appendChild(panelNode);
+ panelNode.addEventListener(
+ "popuphidden",
+ () => {
+ PanelMultiView.removePopup(panelNode);
+ },
+ { once: true }
+ );
+
+ if (iframeNode) {
+ panelNode.addEventListener(
+ "popupshowing",
+ () => {
+ action.onIframeShowing(iframeNode, panelNode);
+ },
+ { once: true }
+ );
+ panelNode.addEventListener(
+ "popupshown",
+ () => {
+ iframeNode.focus();
+ },
+ { once: true }
+ );
+ panelNode.addEventListener(
+ "popuphiding",
+ () => {
+ action.onIframeHiding(iframeNode, panelNode);
+ },
+ { once: true }
+ );
+ panelNode.addEventListener(
+ "popuphidden",
+ () => {
+ action.onIframeHidden(iframeNode, panelNode);
+ },
+ { once: true }
+ );
+ }
+
+ if (panelViewNode) {
+ action.onSubviewPlaced(panelViewNode);
+ panelNode.addEventListener(
+ "popupshowing",
+ () => {
+ action.onSubviewShowing(panelViewNode);
+ },
+ { once: true }
+ );
+ }
+
+ return panelNode;
+ },
+
+ /**
+ * Returns the node in the urlbar to which popups for the given action should
+ * be anchored. If the action is null, a sensible anchor is returned.
+ *
+ * @param action (PageActions.Action, optional)
+ * The action you want to anchor.
+ * @param event (DOM event, optional)
+ * This is used to display the feedback panel on the right node when
+ * the command can be invoked from both the main panel and another
+ * location, such as an activated action panel or a button.
+ * @return (DOM node) The node to which the action should be anchored.
+ */
+ panelAnchorNodeForAction(action, event) {
+ if (event && event.target.closest("panel") == this.panelNode) {
+ return this.mainButtonNode;
+ }
+
+ // Try each of the following nodes in order, using the first that's visible.
+ let potentialAnchorNodeIDs = [
+ action && action.anchorIDOverride,
+ action && this.urlbarButtonNodeIDForActionID(action.id),
+ this.mainButtonNode.id,
+ "identity-icon",
+ "urlbar-search-button",
+ ];
+ for (let id of potentialAnchorNodeIDs) {
+ if (id) {
+ let node = document.getElementById(id);
+ if (node && !node.hidden) {
+ let bounds = window.windowUtils.getBoundsWithoutFlushing(node);
+ if (bounds.height > 0 && bounds.width > 0) {
+ return node;
+ }
+ }
+ }
+ }
+ let id = action ? action.id : "<no action>";
+ throw new Error(`PageActions: No anchor node for ${id}`);
+ },
+
+ get activatedActionPanelNode() {
+ return document.getElementById(this._activatedActionPanelID);
+ },
+
+ get _activatedActionPanelID() {
+ return "pageActionActivatedActionPanel";
+ },
+
+ /**
+ * Adds or removes as necessary a DOM node for the given action in the urlbar.
+ *
+ * @param action (PageActions.Action, required)
+ * The action to place.
+ */
+ placeActionInUrlbar(action) {
+ let id = this.urlbarButtonNodeIDForActionID(action.id);
+ let node = document.getElementById(id);
+
+ if (!action.shouldShowInUrlbar(window)) {
+ if (node) {
+ if (action.__urlbarNodeInMarkup) {
+ node.hidden = true;
+ } else {
+ node.remove();
+ }
+ }
+ return;
+ }
+
+ let newlyPlaced = false;
+ if (action.__urlbarNodeInMarkup) {
+ this._maybeNotifyBeforePlacedInWindow(action);
+ // Allow the consumer to add the node in response to the
+ // onBeforePlacedInWindow notification.
+ node = document.getElementById(id);
+ if (!node) {
+ return;
+ }
+ newlyPlaced = node.hidden;
+ node.hidden = false;
+ } else if (!node) {
+ newlyPlaced = true;
+ this._maybeNotifyBeforePlacedInWindow(action);
+ node = this._makeUrlbarButtonNode(action);
+ node.id = id;
+ }
+
+ if (!newlyPlaced) {
+ return;
+ }
+
+ let insertBeforeNode = this._getNextNode(action, true);
+ this.mainButtonNode.parentNode.insertBefore(node, insertBeforeNode);
+ this.updateAction(action, null, {
+ urlbarNode: node,
+ });
+ action.onPlacedInUrlbar(node);
+ },
+
+ _makeUrlbarButtonNode(action) {
+ let buttonNode = document.createXULElement("hbox");
+ buttonNode.classList.add("urlbar-page-action");
+ if (action.extensionID) {
+ buttonNode.classList.add("urlbar-addon-page-action");
+ }
+ buttonNode.setAttribute("actionid", action.id);
+ buttonNode.setAttribute("role", "button");
+ let commandHandler = event => {
+ this.doCommandForAction(action, event, buttonNode);
+ };
+ buttonNode.addEventListener("click", commandHandler);
+ buttonNode.addEventListener("keypress", commandHandler);
+
+ let imageNode = document.createXULElement("image");
+ imageNode.classList.add("urlbar-icon");
+ buttonNode.appendChild(imageNode);
+ return buttonNode;
+ },
+
+ /**
+ * Removes all the DOM nodes of the given action.
+ *
+ * @param action (PageActions.Action, required)
+ * The action to remove.
+ */
+ removeAction(action) {
+ this._removeActionFromPanel(action);
+ this._removeActionFromUrlbar(action);
+ action.onRemovedFromWindow(window);
+ this._updateMainButtonAttributes();
+ },
+
+ _removeActionFromUrlbar(action) {
+ let node = this.urlbarButtonNodeForActionID(action.id);
+ if (node) {
+ node.remove();
+ }
+ },
+
+ /**
+ * Updates the DOM nodes of an action to reflect either a changed property or
+ * all properties.
+ *
+ * @param action (PageActions.Action, required)
+ * The action to update.
+ * @param propertyName (string, optional)
+ * The name of the property to update. If not given, then DOM nodes
+ * will be updated to reflect the current values of all properties.
+ * @param opts (object, optional)
+ * - panelNode: The action's node in the panel to update.
+ * - urlbarNode: The action's node in the urlbar to update.
+ * - value: If a property name is passed, this argument may contain
+ * its current value, in order to prevent a further look-up.
+ */
+ updateAction(action, propertyName = null, opts = {}) {
+ let anyNodeGiven = "panelNode" in opts || "urlbarNode" in opts;
+ let panelNode = anyNodeGiven
+ ? opts.panelNode || null
+ : this.panelButtonNodeForActionID(action.id);
+ let urlbarNode = anyNodeGiven
+ ? opts.urlbarNode || null
+ : this.urlbarButtonNodeForActionID(action.id);
+ let value = opts.value || undefined;
+ if (propertyName) {
+ this[this._updateMethods[propertyName]](
+ action,
+ panelNode,
+ urlbarNode,
+ value
+ );
+ } else {
+ for (let name of ["iconURL", "title", "tooltip", "wantsSubview"]) {
+ this[this._updateMethods[name]](action, panelNode, urlbarNode, value);
+ }
+ }
+ },
+
+ _updateMethods: {
+ disabled: "_updateActionDisabled",
+ iconURL: "_updateActionIconURL",
+ title: "_updateActionLabeling",
+ tooltip: "_updateActionTooltip",
+ wantsSubview: "_updateActionWantsSubview",
+ },
+
+ _updateActionDisabled(
+ action,
+ panelNode,
+ urlbarNode,
+ disabled = action.getDisabled(window)
+ ) {
+ // Extension page actions should behave like a transient action,
+ // and be hidden from the urlbar overflow menu if they
+ // are disabled (as in the urlbar when the overflow menu isn't available)
+ //
+ // TODO(Bug 1704139): as a follow up we may look into just set on all
+ // extension pageActions `_transient: true`, at least once we sunset
+ // the proton preference and we don't need the pre-Proton behavior anymore,
+ // and remove this special case.
+ const isProtonExtensionAction = action.extensionID;
+
+ if (action.__transient || isProtonExtensionAction) {
+ this.placeActionInPanel(action);
+ } else {
+ this._updateActionDisabledInPanel(action, panelNode, disabled);
+ }
+ this.placeActionInUrlbar(action);
+ },
+
+ _updateActionDisabledInPanel(
+ action,
+ panelNode,
+ disabled = action.getDisabled(window)
+ ) {
+ if (panelNode) {
+ if (disabled) {
+ panelNode.setAttribute("disabled", "true");
+ } else {
+ panelNode.removeAttribute("disabled");
+ }
+ }
+ },
+
+ _updateActionIconURL(
+ action,
+ panelNode,
+ urlbarNode,
+ properties = action.getIconProperties(window)
+ ) {
+ for (let [prop, value] of Object.entries(properties)) {
+ if (panelNode) {
+ panelNode.style.setProperty(prop, value);
+ }
+ if (urlbarNode) {
+ urlbarNode.style.setProperty(prop, value);
+ }
+ }
+ },
+
+ _updateActionLabeling(
+ action,
+ panelNode,
+ urlbarNode,
+ title = action.getTitle(window)
+ ) {
+ if (panelNode) {
+ panelNode.setAttribute("label", title);
+ }
+ if (urlbarNode) {
+ urlbarNode.setAttribute("aria-label", title);
+ // tooltiptext falls back to the title, so update it too if necessary.
+ let tooltip = action.getTooltip(window);
+ if (!tooltip) {
+ urlbarNode.setAttribute("tooltiptext", title);
+ }
+ }
+ },
+
+ _updateActionTooltip(
+ action,
+ panelNode,
+ urlbarNode,
+ tooltip = action.getTooltip(window)
+ ) {
+ if (urlbarNode) {
+ if (!tooltip) {
+ tooltip = action.getTitle(window);
+ }
+ if (tooltip) {
+ urlbarNode.setAttribute("tooltiptext", tooltip);
+ }
+ }
+ },
+
+ _updateActionWantsSubview(
+ action,
+ panelNode,
+ urlbarNode,
+ wantsSubview = action.getWantsSubview(window)
+ ) {
+ if (!panelNode) {
+ return;
+ }
+ let panelViewID = this._panelViewNodeIDForActionID(action.id, false);
+ let panelViewNode = document.getElementById(panelViewID);
+ panelNode.classList.toggle("subviewbutton-nav", wantsSubview);
+ if (!wantsSubview) {
+ if (panelViewNode) {
+ panelViewNode.remove();
+ }
+ return;
+ }
+ if (!panelViewNode) {
+ panelViewNode = this._makePanelViewNodeForAction(action, false);
+ this.multiViewNode.appendChild(panelViewNode);
+ action.onSubviewPlaced(panelViewNode);
+ }
+ },
+
+ doCommandForAction(action, event, buttonNode) {
+ if (event && event.type == "click" && event.button != 0) {
+ return;
+ }
+ if (event && event.type == "keypress") {
+ if (event.key != " " && event.key != "Enter") {
+ return;
+ }
+ event.stopPropagation();
+ }
+ // If we're in the panel, open a subview inside the panel:
+ // Note that we can't use this.panelNode.contains(buttonNode) here
+ // because of XBL boundaries breaking Element.contains.
+ if (
+ action.getWantsSubview(window) &&
+ buttonNode &&
+ buttonNode.closest("panel") == this.panelNode
+ ) {
+ let panelViewNodeID = this._panelViewNodeIDForActionID(action.id, false);
+ let panelViewNode = document.getElementById(panelViewNodeID);
+ action.onSubviewShowing(panelViewNode);
+ this.multiViewNode.showSubView(panelViewNode, buttonNode);
+ return;
+ }
+ // Otherwise, hide the main popup in case it was open:
+ PanelMultiView.hidePopup(this.panelNode);
+
+ let aaPanelNode = this.activatedActionPanelNode;
+ if (!aaPanelNode || aaPanelNode.getAttribute("actionID") != action.id) {
+ action.onCommand(event, buttonNode);
+ }
+ if (action.getWantsSubview(window) || action.wantsIframe) {
+ this.togglePanelForAction(action, null, event);
+ }
+ },
+
+ /**
+ * Returns the action for a node.
+ *
+ * @param node (DOM node, required)
+ * A button DOM node, either one that's shown in the page action panel
+ * or the urlbar.
+ * @return (PageAction.Action) If the node has a related action and the action
+ * is not a separator, then the action is returned. Otherwise null is
+ * returned.
+ */
+ actionForNode(node) {
+ if (!node) {
+ return null;
+ }
+ let actionID = this._actionIDForNodeID(node.id);
+ let action = PageActions.actionForID(actionID);
+ if (!action) {
+ // When a page action is clicked, `node` will be an ancestor of
+ // a node corresponding to an action. `node` will be the page action node
+ // itself when a page action is selected with the keyboard. That's because
+ // the semantic meaning of page action is on an hbox that contains an
+ // <image>.
+ for (let n = node.parentNode; n && !action; n = n.parentNode) {
+ if (n.id == "page-action-buttons" || n.localName == "panelview") {
+ // We reached the page-action-buttons or panelview container.
+ // Stop looking; no action was found.
+ break;
+ }
+ actionID = this._actionIDForNodeID(n.id);
+ action = PageActions.actionForID(actionID);
+ }
+ }
+ return action && !action.__isSeparator ? action : null;
+ },
+
+ /**
+ * The given action's top-level button in the main panel.
+ *
+ * @param actionID (string, required)
+ * The action ID.
+ * @return (DOM node) The action's button in the main panel.
+ */
+ panelButtonNodeForActionID(actionID) {
+ return document.getElementById(this.panelButtonNodeIDForActionID(actionID));
+ },
+
+ /**
+ * The ID of the given action's top-level button in the main panel.
+ *
+ * @param actionID (string, required)
+ * The action ID.
+ * @return (string) The ID of the action's button in the main panel.
+ */
+ panelButtonNodeIDForActionID(actionID) {
+ return `pageAction-panel-${actionID}`;
+ },
+
+ /**
+ * The given action's button in the urlbar.
+ *
+ * @param actionID (string, required)
+ * The action ID.
+ * @return (DOM node) The action's urlbar button node.
+ */
+ urlbarButtonNodeForActionID(actionID) {
+ return document.getElementById(
+ this.urlbarButtonNodeIDForActionID(actionID)
+ );
+ },
+
+ /**
+ * The ID of the given action's button in the urlbar.
+ *
+ * @param actionID (string, required)
+ * The action ID.
+ * @return (string) The ID of the action's urlbar button node.
+ */
+ urlbarButtonNodeIDForActionID(actionID) {
+ let action = PageActions.actionForID(actionID);
+ if (action && action.urlbarIDOverride) {
+ return action.urlbarIDOverride;
+ }
+ return `pageAction-urlbar-${actionID}`;
+ },
+
+ // The ID of the given action's panelview.
+ _panelViewNodeIDForActionID(actionID, forUrlbar) {
+ let placementID = forUrlbar ? "urlbar" : "panel";
+ return `pageAction-${placementID}-${actionID}-subview`;
+ },
+
+ // The ID of the action corresponding to the given top-level button in the
+ // panel or button in the urlbar.
+ _actionIDForNodeID(nodeID) {
+ if (!nodeID) {
+ return null;
+ }
+ let match = nodeID.match(/^pageAction-(?:panel|urlbar)-(.+)$/);
+ if (match) {
+ return match[1];
+ }
+ // Check all the urlbar ID overrides.
+ for (let action of PageActions.actions) {
+ if (action.urlbarIDOverride && action.urlbarIDOverride == nodeID) {
+ return action.id;
+ }
+ }
+ return null;
+ },
+
+ /**
+ * Call this when the main page action button in the urlbar is activated.
+ *
+ * @param event (DOM event, required)
+ * The click or whatever event.
+ */
+ mainButtonClicked(event) {
+ event.stopPropagation();
+ if (
+ // On mac, ctrl-click will send a context menu event from the widget, so
+ // we don't want to bring up the panel when ctrl key is pressed.
+ (event.type == "mousedown" &&
+ (event.button != 0 ||
+ (AppConstants.platform == "macosx" && event.ctrlKey))) ||
+ (event.type == "keypress" &&
+ event.charCode != KeyEvent.DOM_VK_SPACE &&
+ event.keyCode != KeyEvent.DOM_VK_RETURN)
+ ) {
+ return;
+ }
+
+ // If the activated-action panel is open and anchored to the main button,
+ // close it.
+ let panelNode = this.activatedActionPanelNode;
+ if (panelNode && panelNode.anchorNode.id == this.mainButtonNode.id) {
+ PanelMultiView.hidePopup(panelNode);
+ return;
+ }
+
+ if (this.panelNode.state == "open") {
+ PanelMultiView.hidePopup(this.panelNode);
+ } else if (this.panelNode.state == "closed") {
+ this.showPanel(event);
+ }
+ },
+
+ /**
+ * Show the page action panel
+ *
+ * @param event (DOM event, optional)
+ * The event that triggers showing the panel. (such as a mouse click,
+ * if the user clicked something to open the panel)
+ */
+ showPanel(event = null) {
+ this.panelNode.hidden = false;
+ PanelMultiView.openPopup(this.panelNode, this.mainButtonNode, {
+ position: "bottomright topright",
+ triggerEvent: event,
+ }).catch(console.error);
+ },
+
+ /**
+ * Call this on the context menu's popupshowing event.
+ *
+ * @param event (DOM event, required)
+ * The popupshowing event.
+ * @param popup (DOM node, required)
+ * The context menu popup DOM node.
+ */
+ async onContextMenuShowing(event, popup) {
+ if (event.target != popup) {
+ return;
+ }
+
+ let action = this.actionForNode(popup.triggerNode);
+ // Only extension actions provide a context menu.
+ if (!action?.extensionID) {
+ this._contextAction = null;
+ event.preventDefault();
+ return;
+ }
+ this._contextAction = action;
+
+ let removeExtension = popup.querySelector(".removeExtensionItem");
+ let { extensionID } = this._contextAction;
+ let addon = extensionID && (await AddonManager.getAddonByID(extensionID));
+ removeExtension.hidden = !addon;
+ if (addon) {
+ removeExtension.disabled = !(
+ addon.permissions & AddonManager.PERM_CAN_UNINSTALL
+ );
+ }
+ },
+
+ /**
+ * Call this from the menu item in the context menu that opens about:addons.
+ */
+ openAboutAddonsForContextAction() {
+ if (!this._contextAction) {
+ return;
+ }
+ let action = this._contextAction;
+ this._contextAction = null;
+
+ let viewID = "addons://detail/" + encodeURIComponent(action.extensionID);
+ window.BrowserOpenAddonsMgr(viewID);
+ },
+
+ /**
+ * Call this from the menu item in the context menu that removes an add-on.
+ */
+ removeExtensionForContextAction() {
+ if (!this._contextAction) {
+ return;
+ }
+ let action = this._contextAction;
+ this._contextAction = null;
+
+ BrowserAddonUI.removeAddon(action.extensionID, "pageAction");
+ },
+
+ _contextAction: null,
+
+ /**
+ * Call this on tab switch or when the current <browser>'s location changes.
+ */
+ onLocationChange() {
+ for (let action of PageActions.actions) {
+ action.onLocationChange(window);
+ }
+ },
+};
+
+// built-in actions below //////////////////////////////////////////////////////
+
+// bookmark
+BrowserPageActions.bookmark = {
+ onShowingInPanel(buttonNode) {
+ if (buttonNode.label == "null") {
+ BookmarkingUI.updateBookmarkPageMenuItem();
+ }
+ },
+
+ onCommand(event, buttonNode) {
+ PanelMultiView.hidePopup(BrowserPageActions.panelNode);
+ BookmarkingUI.onStarCommand(event);
+ },
+};