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Diffstat (limited to 'browser/components/places/content/browserPlacesViews.js')
| -rw-r--r-- | browser/components/places/content/browserPlacesViews.js | 2253 |
1 files changed, 2253 insertions, 0 deletions
diff --git a/browser/components/places/content/browserPlacesViews.js b/browser/components/places/content/browserPlacesViews.js new file mode 100644 index 0000000000..b2f4a278aa --- /dev/null +++ b/browser/components/places/content/browserPlacesViews.js @@ -0,0 +1,2253 @@ +/* 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/. */ + +/* eslint-env mozilla/browser-window */ + +/** + * The base view implements everything that's common to all the views. + * It should not be instanced directly, use a derived class instead. + */ +class PlacesViewBase { + /** + * @param {string} placesUrl + * The query string associated with the view. + * @param {DOMElement} rootElt + * The root element for the view. + * @param {DOMElement} viewElt + * The view element. + */ + constructor(placesUrl, rootElt, viewElt) { + this._rootElt = rootElt; + this._viewElt = viewElt; + let appendClass = this._rootElt.getAttribute("appendclasstochildren"); + if (appendClass) { + this._appendClassToChildren = appendClass; + } + // Do initialization in subclass now that `this` exists. + this._init?.(); + this._controller = new PlacesController(this); + this.place = placesUrl; + this._viewElt.controllers.appendController(this._controller); + } + + // The xul element that holds the entire view. + _viewElt = null; + + get associatedElement() { + return this._viewElt; + } + + get controllers() { + return this._viewElt.controllers; + } + + // The xul element that represents the root container. + _rootElt = null; + + // Set to true for views that are represented by native widgets (i.e. + // the native mac menu). + _nativeView = false; + + static interfaces = [ + Ci.nsINavHistoryResultObserver, + Ci.nsISupportsWeakReference, + ]; + + QueryInterface = ChromeUtils.generateQI(PlacesViewBase.interfaces); + + _place = ""; + get place() { + return this._place; + } + set place(val) { + this._place = val; + + let history = PlacesUtils.history; + let query = {}, + options = {}; + history.queryStringToQuery(val, query, options); + let result = history.executeQuery(query.value, options.value); + result.addObserver(this); + } + + _result = null; + get result() { + return this._result; + } + set result(val) { + if (this._result == val) { + return; + } + + if (this._result) { + this._result.removeObserver(this); + this._resultNode.containerOpen = false; + } + + if (this._rootElt.localName == "menupopup") { + this._rootElt._built = false; + } + + this._result = val; + if (val) { + this._resultNode = val.root; + this._rootElt._placesNode = this._resultNode; + this._domNodes = new Map(); + this._domNodes.set(this._resultNode, this._rootElt); + + // This calls _rebuild through invalidateContainer. + this._resultNode.containerOpen = true; + } else { + this._resultNode = null; + delete this._domNodes; + } + } + + /** + * Gets the DOM node used for the given places node. + * + * @param {object} aPlacesNode + * a places result node. + * @param {boolean} aAllowMissing + * whether the node may be missing + * @returns {object|null} The associated DOM node. + * @throws if there is no DOM node set for aPlacesNode. + */ + _getDOMNodeForPlacesNode(aPlacesNode, aAllowMissing = false) { + let node = this._domNodes.get(aPlacesNode, null); + if (!node && !aAllowMissing) { + throw new Error( + "No DOM node set for aPlacesNode.\nnode.type: " + + aPlacesNode.type + + ". node.parent: " + + aPlacesNode + ); + } + return node; + } + + get controller() { + return this._controller; + } + + get selType() { + return "single"; + } + selectItems() {} + selectAll() {} + + get selectedNode() { + if (this._contextMenuShown) { + let anchor = this._contextMenuShown.triggerNode; + if (!anchor) { + return null; + } + + if (anchor._placesNode) { + return this._rootElt == anchor ? null : anchor._placesNode; + } + + anchor = anchor.parentNode; + return this._rootElt == anchor ? null : anchor._placesNode || null; + } + return null; + } + + get hasSelection() { + return this.selectedNode != null; + } + + get selectedNodes() { + let selectedNode = this.selectedNode; + return selectedNode ? [selectedNode] : []; + } + + get singleClickOpens() { + return true; + } + + get removableSelectionRanges() { + // On static content the current selectedNode would be the selection's + // parent node. We don't want to allow removing a node when the + // selection is not explicit. + let popupNode = PlacesUIUtils.lastContextMenuTriggerNode; + if (popupNode && (popupNode == "menupopup" || !popupNode._placesNode)) { + return []; + } + + return [this.selectedNodes]; + } + + get draggableSelection() { + return [this._draggedElt]; + } + + get insertionPoint() { + // There is no insertion point for history queries, so bail out now and + // save a lot of work when updating commands. + let resultNode = this._resultNode; + if ( + PlacesUtils.nodeIsQuery(resultNode) && + PlacesUtils.asQuery(resultNode).queryOptions.queryType == + Ci.nsINavHistoryQueryOptions.QUERY_TYPE_HISTORY + ) { + return null; + } + + // By default, the insertion point is at the top level, at the end. + let index = PlacesUtils.bookmarks.DEFAULT_INDEX; + let container = this._resultNode; + let orientation = Ci.nsITreeView.DROP_BEFORE; + let tagName = null; + + let selectedNode = this.selectedNode; + if (selectedNode) { + let popupNode = PlacesUIUtils.lastContextMenuTriggerNode; + if ( + !popupNode._placesNode || + popupNode._placesNode == this._resultNode || + popupNode._placesNode.itemId == -1 || + !selectedNode.parent + ) { + // If a static menuitem is selected, or if the root node is selected, + // the insertion point is inside the folder, at the end. + container = selectedNode; + orientation = Ci.nsITreeView.DROP_ON; + } else { + // In all other cases the insertion point is before that node. + container = selectedNode.parent; + index = container.getChildIndex(selectedNode); + if (PlacesUtils.nodeIsTagQuery(container)) { + tagName = PlacesUtils.asQuery(container).query.tags[0]; + } + } + } + + if (this.controller.disallowInsertion(container)) { + return null; + } + + return new PlacesInsertionPoint({ + parentGuid: PlacesUtils.getConcreteItemGuid(container), + index, + orientation, + tagName, + }); + } + + buildContextMenu(aPopup) { + this._contextMenuShown = aPopup; + window.updateCommands("places"); + + // Ensure that an existing "Show Other Bookmarks" item is removed before adding it + // again. + let existingOtherBookmarksItem = aPopup.querySelector( + "#show-other-bookmarks_PersonalToolbar" + ); + existingOtherBookmarksItem?.remove(); + + let manageBookmarksMenu = aPopup.querySelector( + "#placesContext_showAllBookmarks" + ); + // Add the View menu for the Bookmarks Toolbar and "Show Other Bookmarks" menu item + // if the click originated from the Bookmarks Toolbar. + let existingSubmenu = aPopup.querySelector("#toggle_PersonalToolbar"); + existingSubmenu?.remove(); + let bookmarksToolbar = document.getElementById("PersonalToolbar"); + if (bookmarksToolbar?.contains(aPopup.triggerNode)) { + manageBookmarksMenu.removeAttribute("hidden"); + + let menu = BookmarkingUI.buildBookmarksToolbarSubmenu(bookmarksToolbar); + aPopup.insertBefore(menu, manageBookmarksMenu); + + if ( + aPopup.triggerNode.id === "OtherBookmarks" || + aPopup.triggerNode.id === "PlacesChevron" || + aPopup.triggerNode.id === "PlacesToolbarItems" || + aPopup.triggerNode.parentNode.id === "PlacesToolbarItems" + ) { + let otherBookmarksMenuItem = BookmarkingUI.buildShowOtherBookmarksMenuItem(); + + if (otherBookmarksMenuItem) { + aPopup.insertBefore(otherBookmarksMenuItem, menu.nextElementSibling); + } + } + } else { + manageBookmarksMenu.setAttribute("hidden", "true"); + } + + return this.controller.buildContextMenu(aPopup); + } + + destroyContextMenu(aPopup) { + this._contextMenuShown = null; + } + + clearAllContents(aPopup) { + let kid = aPopup.firstElementChild; + while (kid) { + let next = kid.nextElementSibling; + if (!kid.classList.contains("panel-header")) { + kid.remove(); + } + kid = next; + } + aPopup._emptyMenuitem = aPopup._startMarker = aPopup._endMarker = null; + } + + _cleanPopup(aPopup, aDelay) { + // Ensure markers are here when `invalidateContainer` is called before the + // popup is shown, which may the case for panelviews, for example. + this._ensureMarkers(aPopup); + // Remove Places nodes from the popup. + let child = aPopup._startMarker; + while (child.nextElementSibling != aPopup._endMarker) { + let sibling = child.nextElementSibling; + if (sibling._placesNode && !aDelay) { + aPopup.removeChild(sibling); + } else if (sibling._placesNode && aDelay) { + // HACK (bug 733419): the popups originating from the OS X native + // menubar don't live-update while open, thus we don't clean it + // until the next popupshowing, to avoid zombie menuitems. + if (!aPopup._delayedRemovals) { + aPopup._delayedRemovals = []; + } + aPopup._delayedRemovals.push(sibling); + child = child.nextElementSibling; + } else { + child = child.nextElementSibling; + } + } + } + + _rebuildPopup(aPopup) { + let resultNode = aPopup._placesNode; + if (!resultNode.containerOpen) { + return; + } + + this._cleanPopup(aPopup); + + let cc = resultNode.childCount; + if (cc > 0) { + this._setEmptyPopupStatus(aPopup, false); + let fragment = document.createDocumentFragment(); + for (let i = 0; i < cc; ++i) { + let child = resultNode.getChild(i); + this._insertNewItemToPopup(child, fragment); + } + aPopup.insertBefore(fragment, aPopup._endMarker); + } else { + this._setEmptyPopupStatus(aPopup, true); + } + aPopup._built = true; + } + + _removeChild(aChild) { + aChild.remove(); + } + + _setEmptyPopupStatus(aPopup, aEmpty) { + if (!aPopup._emptyMenuitem) { + let label = PlacesUIUtils.getString("bookmarksMenuEmptyFolder"); + aPopup._emptyMenuitem = document.createXULElement("menuitem"); + aPopup._emptyMenuitem.setAttribute("label", label); + aPopup._emptyMenuitem.setAttribute("disabled", true); + aPopup._emptyMenuitem.className = "bookmark-item"; + if (this._appendClassToChildren) { + aPopup._emptyMenuitem.classList.add(this._appendClassToChildren); + } + } + + if (aEmpty) { + aPopup.setAttribute("emptyplacesresult", "true"); + // Don't add the menuitem if there is static content. + if ( + !aPopup._startMarker.previousElementSibling && + !aPopup._endMarker.nextElementSibling + ) { + aPopup.insertBefore(aPopup._emptyMenuitem, aPopup._endMarker); + } + } else { + aPopup.removeAttribute("emptyplacesresult"); + try { + aPopup.removeChild(aPopup._emptyMenuitem); + } catch (ex) {} + } + } + + _createDOMNodeForPlacesNode(aPlacesNode) { + this._domNodes.delete(aPlacesNode); + + let element; + let type = aPlacesNode.type; + if (type == Ci.nsINavHistoryResultNode.RESULT_TYPE_SEPARATOR) { + element = document.createXULElement("menuseparator"); + } else { + if (type == Ci.nsINavHistoryResultNode.RESULT_TYPE_URI) { + element = document.createXULElement("menuitem"); + element.className = + "menuitem-iconic bookmark-item menuitem-with-favicon"; + element.setAttribute( + "scheme", + PlacesUIUtils.guessUrlSchemeForUI(aPlacesNode.uri) + ); + } else if (PlacesUtils.containerTypes.includes(type)) { + element = document.createXULElement("menu"); + element.setAttribute("container", "true"); + + if (aPlacesNode.type == Ci.nsINavHistoryResultNode.RESULT_TYPE_QUERY) { + element.setAttribute("query", "true"); + if (PlacesUtils.nodeIsTagQuery(aPlacesNode)) { + element.setAttribute("tagContainer", "true"); + } else if (PlacesUtils.nodeIsDay(aPlacesNode)) { + element.setAttribute("dayContainer", "true"); + } else if (PlacesUtils.nodeIsHost(aPlacesNode)) { + element.setAttribute("hostContainer", "true"); + } + } + + let popup = document.createXULElement("menupopup", { + is: "places-popup", + }); + popup._placesNode = PlacesUtils.asContainer(aPlacesNode); + + if (!this._nativeView) { + popup.setAttribute("placespopup", "true"); + } + + element.appendChild(popup); + element.className = "menu-iconic bookmark-item"; + if (this._appendClassToChildren) { + element.classList.add(this._appendClassToChildren); + } + + this._domNodes.set(aPlacesNode, popup); + } else { + throw new Error("Unexpected node"); + } + + element.setAttribute("label", PlacesUIUtils.getBestTitle(aPlacesNode)); + + let icon = aPlacesNode.icon; + if (icon) { + element.setAttribute("image", icon); + } + } + + element._placesNode = aPlacesNode; + if (!this._domNodes.has(aPlacesNode)) { + this._domNodes.set(aPlacesNode, element); + } + + return element; + } + + _insertNewItemToPopup(aNewChild, aInsertionNode, aBefore = null) { + let element = this._createDOMNodeForPlacesNode(aNewChild); + + if (element.localName == "menuitem" || element.localName == "menu") { + if (this._appendClassToChildren) { + element.classList.add(this._appendClassToChildren); + } + } + + aInsertionNode.insertBefore(element, aBefore); + return element; + } + + toggleCutNode(aPlacesNode, aValue) { + let elt = this._getDOMNodeForPlacesNode(aPlacesNode); + + // We may get the popup for menus, but we need the menu itself. + if (elt.localName == "menupopup") { + elt = elt.parentNode; + } + if (aValue) { + elt.setAttribute("cutting", "true"); + } else { + elt.removeAttribute("cutting"); + } + } + + nodeURIChanged(aPlacesNode, aURIString) { + let elt = this._getDOMNodeForPlacesNode(aPlacesNode); + + // Here we need the <menu>. + if (elt.localName == "menupopup") { + elt = elt.parentNode; + } + + elt.setAttribute( + "scheme", + PlacesUIUtils.guessUrlSchemeForUI(aPlacesNode.uri) + ); + } + + nodeIconChanged(aPlacesNode) { + let elt = this._getDOMNodeForPlacesNode(aPlacesNode); + + // There's no UI representation for the root node, thus there's nothing to + // be done when the icon changes. + if (elt == this._rootElt) { + return; + } + + // Here we need the <menu>. + if (elt.localName == "menupopup") { + elt = elt.parentNode; + } + // We must remove and reset the attribute to force an update. + elt.removeAttribute("image"); + elt.setAttribute("image", aPlacesNode.icon); + } + + nodeTitleChanged(aPlacesNode, aNewTitle) { + let elt = this._getDOMNodeForPlacesNode(aPlacesNode); + + // There's no UI representation for the root node, thus there's + // nothing to be done when the title changes. + if (elt == this._rootElt) { + return; + } + + // Here we need the <menu>. + if (elt.localName == "menupopup") { + elt = elt.parentNode; + } + + if (!aNewTitle && elt.localName != "toolbarbutton") { + // Many users consider toolbars as shortcuts containers, so explicitly + // allow empty labels on toolbarbuttons. For any other element try to be + // smarter, guessing a title from the uri. + elt.setAttribute("label", PlacesUIUtils.getBestTitle(aPlacesNode)); + } else { + elt.setAttribute("label", aNewTitle); + } + } + + nodeRemoved(aParentPlacesNode, aPlacesNode, aIndex) { + let parentElt = this._getDOMNodeForPlacesNode(aParentPlacesNode); + let elt = this._getDOMNodeForPlacesNode(aPlacesNode); + + // Here we need the <menu>. + if (elt.localName == "menupopup") { + elt = elt.parentNode; + } + + if (parentElt._built) { + parentElt.removeChild(elt); + + // Figure out if we need to show the "<Empty>" menu-item. + // TODO Bug 517701: This doesn't seem to handle the case of an empty + // root. + if (parentElt._startMarker.nextElementSibling == parentElt._endMarker) { + this._setEmptyPopupStatus(parentElt, true); + } + } + } + + // Opt-out of history details updates, since all the views derived from this + // are not showing them. + observeHistoryDetails = false; + nodeHistoryDetailsChanged() {} + nodeTagsChanged() {} + nodeDateAddedChanged() {} + nodeLastModifiedChanged() {} + nodeKeywordChanged() {} + sortingChanged() {} + batching() {} + + nodeInserted(aParentPlacesNode, aPlacesNode, aIndex) { + let parentElt = this._getDOMNodeForPlacesNode(aParentPlacesNode); + if (!parentElt._built) { + return; + } + + let index = + Array.prototype.indexOf.call(parentElt.children, parentElt._startMarker) + + aIndex + + 1; + this._insertNewItemToPopup( + aPlacesNode, + parentElt, + parentElt.children[index] || parentElt._endMarker + ); + this._setEmptyPopupStatus(parentElt, false); + } + + nodeMoved( + aPlacesNode, + aOldParentPlacesNode, + aOldIndex, + aNewParentPlacesNode, + aNewIndex + ) { + // Note: the current implementation of moveItem does not actually + // use this notification when the item in question is moved from one + // folder to another. Instead, it calls nodeRemoved and nodeInserted + // for the two folders. Thus, we can assume old-parent == new-parent. + let elt = this._getDOMNodeForPlacesNode(aPlacesNode); + + // Here we need the <menu>. + if (elt.localName == "menupopup") { + elt = elt.parentNode; + } + + // If our root node is a folder, it might be moved. There's nothing + // we need to do in that case. + if (elt == this._rootElt) { + return; + } + + let parentElt = this._getDOMNodeForPlacesNode(aNewParentPlacesNode); + if (parentElt._built) { + // Move the node. + parentElt.removeChild(elt); + let index = + Array.prototype.indexOf.call( + parentElt.children, + parentElt._startMarker + ) + + aNewIndex + + 1; + parentElt.insertBefore(elt, parentElt.children[index]); + } + } + + containerStateChanged(aPlacesNode, aOldState, aNewState) { + if ( + aNewState == Ci.nsINavHistoryContainerResultNode.STATE_OPENED || + aNewState == Ci.nsINavHistoryContainerResultNode.STATE_CLOSED + ) { + this.invalidateContainer(aPlacesNode); + } + } + + /** + * Checks whether the popup associated with the provided element is open. + * This method may be overridden by classes that extend this base class. + * + * @param {Element} elt + * The element to check. + * @returns {boolean} + */ + _isPopupOpen(elt) { + return !!elt.parentNode.open; + } + + invalidateContainer(aPlacesNode) { + let elt = this._getDOMNodeForPlacesNode(aPlacesNode); + elt._built = false; + + // If the menupopup is open we should live-update it. + if (this._isPopupOpen(elt)) { + this._rebuildPopup(elt); + } + } + + uninit() { + if (this._result) { + this._result.removeObserver(this); + this._resultNode.containerOpen = false; + this._resultNode = null; + this._result = null; + } + + if (this._controller) { + this._controller.terminate(); + // Removing the controller will fail if it is already no longer there. + // This can happen if the view element was removed/reinserted without + // our knowledge. There is no way to check for that having happened + // without the possibility of an exception. :-( + try { + this._viewElt.controllers.removeController(this._controller); + } catch (ex) { + } finally { + this._controller = null; + } + } + + delete this._viewElt._placesView; + } + + get isRTL() { + if ("_isRTL" in this) { + return this._isRTL; + } + + return (this._isRTL = + document.defaultView.getComputedStyle(this._viewElt).direction == "rtl"); + } + + get ownerWindow() { + return window; + } + + /** + * Adds an "Open All in Tabs" menuitem to the bottom of the popup. + * + * @param {object} aPopup + * a Places popup. + */ + _mayAddCommandsItems(aPopup) { + // The command items are never added to the root popup. + if (aPopup == this._rootElt) { + return; + } + + let hasMultipleURIs = false; + + // Check if the popup contains at least 2 menuitems with places nodes. + // We don't currently support opening multiple uri nodes when they are not + // populated by the result. + if (aPopup._placesNode.childCount > 0) { + let currentChild = aPopup.firstElementChild; + let numURINodes = 0; + while (currentChild) { + if (currentChild.localName == "menuitem" && currentChild._placesNode) { + if (++numURINodes == 2) { + break; + } + } + currentChild = currentChild.nextElementSibling; + } + hasMultipleURIs = numURINodes > 1; + } + + if (!hasMultipleURIs) { + // We don't have to show any option. + if (aPopup._endOptOpenAllInTabs) { + aPopup.removeChild(aPopup._endOptOpenAllInTabs); + aPopup._endOptOpenAllInTabs = null; + + aPopup.removeChild(aPopup._endOptSeparator); + aPopup._endOptSeparator = null; + } + } else if (!aPopup._endOptOpenAllInTabs) { + // Create a separator before options. + aPopup._endOptSeparator = document.createXULElement("menuseparator"); + aPopup._endOptSeparator.className = "bookmarks-actions-menuseparator"; + aPopup.appendChild(aPopup._endOptSeparator); + + // Add the "Open All in Tabs" menuitem. + aPopup._endOptOpenAllInTabs = document.createXULElement("menuitem"); + aPopup._endOptOpenAllInTabs.className = "openintabs-menuitem"; + + if (this._appendClassToChildren) { + aPopup._endOptOpenAllInTabs.classList.add(this._appendClassToChildren); + } + + aPopup._endOptOpenAllInTabs.setAttribute( + "oncommand", + "PlacesUIUtils.openMultipleLinksInTabs(this.parentNode._placesNode, event, " + + "PlacesUIUtils.getViewForNode(this));" + ); + aPopup._endOptOpenAllInTabs.setAttribute( + "label", + gNavigatorBundle.getString("menuOpenAllInTabs.label") + ); + aPopup.appendChild(aPopup._endOptOpenAllInTabs); + } + } + + _ensureMarkers(aPopup) { + if (aPopup._startMarker) { + return; + } + + // Places nodes are appended between _startMarker and _endMarker, that + // are hidden menuseparators. By default they take the whole panel... + aPopup._startMarker = document.createXULElement("menuseparator"); + aPopup._startMarker.hidden = true; + aPopup.insertBefore(aPopup._startMarker, aPopup.firstElementChild); + aPopup._endMarker = document.createXULElement("menuseparator"); + aPopup._endMarker.hidden = true; + aPopup.appendChild(aPopup._endMarker); + + // ...but there can be static content before or after the places nodes, thus + // we move the markers to the right position, by checking for static content + // at the beginning of the view, and for an element with "afterplacescontent" + // attribute. + // TODO: In the future we should just use a container element. + let firstNonStaticNodeFound = false; + for (let child of aPopup.children) { + if (child.hasAttribute("afterplacescontent")) { + aPopup.insertBefore(aPopup._endMarker, child); + break; + } + + // Check for the first Places node that is not a view. + if (child._placesNode && !child._placesView && !firstNonStaticNodeFound) { + firstNonStaticNodeFound = true; + aPopup.insertBefore(aPopup._startMarker, child); + } + } + if (!firstNonStaticNodeFound) { + // Just put the start marker before the end marker. + aPopup.insertBefore(aPopup._startMarker, aPopup._endMarker); + } + } + + _onPopupShowing(aEvent) { + // Avoid handling popupshowing of inner views. + let popup = aEvent.originalTarget; + + this._ensureMarkers(popup); + + // Remove any delayed element, see _cleanPopup for details. + if ("_delayedRemovals" in popup) { + while (popup._delayedRemovals.length) { + popup.removeChild(popup._delayedRemovals.shift()); + } + } + + if (popup._placesNode && PlacesUIUtils.getViewForNode(popup) == this) { + if (!popup._placesNode.containerOpen) { + popup._placesNode.containerOpen = true; + } + if (!popup._built) { + this._rebuildPopup(popup); + } + + this._mayAddCommandsItems(popup); + } + } + + _addEventListeners(aObject, aEventNames, aCapturing = false) { + for (let i = 0; i < aEventNames.length; i++) { + aObject.addEventListener(aEventNames[i], this, aCapturing); + } + } + + _removeEventListeners(aObject, aEventNames, aCapturing = false) { + for (let i = 0; i < aEventNames.length; i++) { + aObject.removeEventListener(aEventNames[i], this, aCapturing); + } + } +} + +/** + * Toolbar View implementation. + */ +class PlacesToolbar extends PlacesViewBase { + constructor(placesUrl, rootElt, viewElt) { + let startTime = Date.now(); + super(placesUrl, rootElt, viewElt); + this._addEventListeners(this._dragRoot, this._cbEvents, false); + this._addEventListeners( + this._rootElt, + ["popupshowing", "popuphidden"], + true + ); + this._addEventListeners(this._rootElt, ["overflow", "underflow"], true); + this._addEventListeners(window, ["resize", "unload"], false); + + // If personal-bookmarks has been dragged to the tabs toolbar, + // we have to track addition and removals of tabs, to properly + // recalculate the available space for bookmarks. + // TODO (bug 734730): Use a performant mutation listener when available. + if ( + this._viewElt.parentNode.parentNode == + document.getElementById("TabsToolbar") + ) { + this._addEventListeners( + gBrowser.tabContainer, + ["TabOpen", "TabClose"], + false + ); + } + + Services.telemetry + .getHistogramById("FX_BOOKMARKS_TOOLBAR_INIT_MS") + .add(Date.now() - startTime); + } + + // Called by PlacesViewBase so we can init properties that class + // initialization depends on. PlacesViewBase will assign this.place which + // calls which sets `this.result` through its places observer, which changes + // containerOpen, which calls invalidateContainer(), which calls rebuild(), + // which needs `_overFolder`, `_chevronPopup` and various other things to + // exist. + _init() { + this._overFolder = { + elt: null, + openTimer: null, + hoverTime: 350, + closeTimer: null, + }; + + // Add some smart getters for our elements. + let thisView = this; + [ + ["_dropIndicator", "PlacesToolbarDropIndicator"], + ["_chevron", "PlacesChevron"], + ["_chevronPopup", "PlacesChevronPopup"], + ].forEach(function(elementGlobal) { + let [name, id] = elementGlobal; + thisView.__defineGetter__(name, function() { + let element = document.getElementById(id); + if (!element) { + return null; + } + + delete thisView[name]; + return (thisView[name] = element); + }); + }); + + this._viewElt._placesView = this; + + this._dragRoot = BookmarkingUI.toolbar.contains(this._viewElt) + ? BookmarkingUI.toolbar + : this._viewElt; + + this._updatingNodesVisibility = false; + } + + _cbEvents = [ + "dragstart", + "dragover", + "dragleave", + "dragend", + "drop", + "mousemove", + "mouseover", + "mouseout", + "mousedown", + ]; + + QueryInterface = ChromeUtils.generateQI([ + "nsITimerCallback", + ...PlacesViewBase.interfaces, + ]); + + uninit() { + if (this._dragRoot) { + this._removeEventListeners(this._dragRoot, this._cbEvents, false); + } + this._removeEventListeners( + this._rootElt, + ["popupshowing", "popuphidden"], + true + ); + this._removeEventListeners(this._rootElt, ["overflow", "underflow"], true); + this._removeEventListeners(window, ["resize", "unload"], false); + this._removeEventListeners( + gBrowser.tabContainer, + ["TabOpen", "TabClose"], + false + ); + + if (this._chevron._placesView) { + this._chevron._placesView.uninit(); + } + + if (this._otherBookmarks?._placesView) { + this._otherBookmarks._placesView.uninit(); + } + + super.uninit(); + } + + _openedMenuButton = null; + _allowPopupShowing = true; + + get _isAlive() { + return this._resultNode && this._rootElt; + } + + _runBeforeFrameRender(callback) { + return new Promise((resolve, reject) => { + window.requestAnimationFrame(() => { + try { + resolve(callback()); + } catch (err) { + reject(err); + } + }); + }); + } + + async _rebuild() { + // Clear out references to existing nodes, since they will be removed + // and re-added. + if (this._overFolder.elt) { + this._clearOverFolder(); + } + + this._openedMenuButton = null; + while (this._rootElt.hasChildNodes()) { + this._rootElt.firstChild.remove(); + } + + let cc = this._resultNode.childCount; + if (cc > 0) { + // There could be a lot of nodes, but we only want to build the ones that + // are more likely to be shown, not all of them. + // We also don't want to wait for reflows at every node insertion, to + // calculate a precise number of visible items, thus we guess a size from + // the first non-separator node (because separators have flexible size). + let startIndex = 0; + let limit = await this._runBeforeFrameRender(() => { + if (!this._isAlive) { + return cc; + } + + // Look for the first non-separator node. + let elt; + while (startIndex < cc) { + elt = this._insertNewItem( + this._resultNode.getChild(startIndex), + this._rootElt + ); + ++startIndex; + if (elt.localName != "toolbarseparator") { + break; + } + } + if (!elt) { + return cc; + } + + return window.promiseDocumentFlushed(() => { + // We assume a button with just the icon will be more or less a square, + // then compensate the measurement error by considering a larger screen + // width. Moreover the window could be bigger than the screen. + let size = elt.clientHeight || 1; // Sanity fallback. + return Math.min(cc, parseInt((window.screen.width * 1.5) / size)); + }); + }); + + if (!this._isAlive) { + return; + } + + let fragment = document.createDocumentFragment(); + for (let i = startIndex; i < limit; ++i) { + this._insertNewItem(this._resultNode.getChild(i), fragment); + } + window.requestAnimationFrame(() => { + if (this._isAlive) { + this._rootElt.appendChild(fragment); + this.updateNodesVisibility(); + } + }); + } + + if (this._chevronPopup.hasAttribute("type")) { + // Chevron has already been initialized, but since we are forcing + // a rebuild of the toolbar, it has to be rebuilt. + // Otherwise, it will be initialized when the toolbar overflows. + this._chevronPopup.place = this.place; + } + + // Rebuild the "Other Bookmarks" folder if it already exists. + let otherBookmarks = document.getElementById("OtherBookmarks"); + otherBookmarks?.remove(); + + BookmarkingUI.maybeShowOtherBookmarksFolder(); + } + + _insertNewItem(aChild, aInsertionNode, aBefore = null) { + this._domNodes.delete(aChild); + + let type = aChild.type; + let button; + if (type == Ci.nsINavHistoryResultNode.RESULT_TYPE_SEPARATOR) { + button = document.createXULElement("toolbarseparator"); + } else { + button = document.createXULElement("toolbarbutton"); + button.className = "bookmark-item"; + button.setAttribute("label", aChild.title || ""); + + if (PlacesUtils.containerTypes.includes(type)) { + button.setAttribute("type", "menu"); + button.setAttribute("container", "true"); + + if (PlacesUtils.nodeIsQuery(aChild)) { + button.setAttribute("query", "true"); + if (PlacesUtils.nodeIsTagQuery(aChild)) { + button.setAttribute("tagContainer", "true"); + } + } + + let popup = document.createXULElement("menupopup", { + is: "places-popup", + }); + popup.setAttribute("placespopup", "true"); + button.appendChild(popup); + popup._placesNode = PlacesUtils.asContainer(aChild); + popup.setAttribute("context", "placesContext"); + + this._domNodes.set(aChild, popup); + } else if (PlacesUtils.nodeIsURI(aChild)) { + button.setAttribute( + "scheme", + PlacesUIUtils.guessUrlSchemeForUI(aChild.uri) + ); + } + } + + button._placesNode = aChild; + let { icon } = button._placesNode; + if (icon) { + button.setAttribute("image", icon); + } + if (!this._domNodes.has(aChild)) { + this._domNodes.set(aChild, button); + } + + if (aBefore) { + aInsertionNode.insertBefore(button, aBefore); + } else { + aInsertionNode.appendChild(button); + } + return button; + } + + _updateChevronPopupNodesVisibility() { + // Note the toolbar by default builds less nodes than the chevron popup. + for ( + let toolbarNode = this._rootElt.firstElementChild, + node = this._chevronPopup._startMarker.nextElementSibling; + toolbarNode && node; + toolbarNode = toolbarNode.nextElementSibling, + node = node.nextElementSibling + ) { + node.hidden = toolbarNode.style.visibility != "hidden"; + } + } + + _onChevronPopupShowing(aEvent) { + // Handle popupshowing only for the chevron popup, not for nested ones. + if (aEvent.target != this._chevronPopup) { + return; + } + + if (!this._chevron._placesView) { + this._chevron._placesView = new PlacesMenu(aEvent, this.place); + } + + this._updateChevronPopupNodesVisibility(); + } + + _onOtherBookmarksPopupShowing(aEvent) { + if (aEvent.target != this._otherBookmarksPopup) { + return; + } + + if (!this._otherBookmarks._placesView) { + this._otherBookmarks._placesView = new PlacesMenu( + aEvent, + "place:parent=" + PlacesUtils.bookmarks.unfiledGuid + ); + } + } + + handleEvent(aEvent) { + switch (aEvent.type) { + case "unload": + this.uninit(); + break; + case "resize": + // This handler updates nodes visibility in both the toolbar + // and the chevron popup when a window resize does not change + // the overflow status of the toolbar. + if (aEvent.target == aEvent.currentTarget) { + this.updateNodesVisibility(); + } + break; + case "overflow": + if (!this._isOverflowStateEventRelevant(aEvent)) { + return; + } + // Avoid triggering overflow in containers if possible + aEvent.stopPropagation(); + this._onOverflow(); + break; + case "underflow": + if (!this._isOverflowStateEventRelevant(aEvent)) { + return; + } + // Avoid triggering underflow in containers if possible + aEvent.stopPropagation(); + this._onUnderflow(); + break; + case "TabOpen": + case "TabClose": + this.updateNodesVisibility(); + break; + case "dragstart": + this._onDragStart(aEvent); + break; + case "dragover": + this._onDragOver(aEvent); + break; + case "dragleave": + this._onDragLeave(aEvent); + break; + case "dragend": + this._onDragEnd(aEvent); + break; + case "drop": + this._onDrop(aEvent); + break; + case "mouseover": + this._onMouseOver(aEvent); + break; + case "mousemove": + this._onMouseMove(aEvent); + break; + case "mouseout": + this._onMouseOut(aEvent); + break; + case "mousedown": + this._onMouseDown(aEvent); + break; + case "popupshowing": + this._onPopupShowing(aEvent); + break; + case "popuphidden": + this._onPopupHidden(aEvent); + break; + default: + throw new Error("Trying to handle unexpected event."); + } + } + + _isOverflowStateEventRelevant(aEvent) { + // Ignore events not aimed at ourselves, as well as purely vertical ones: + return aEvent.target == aEvent.currentTarget && aEvent.detail > 0; + } + + _onOverflow() { + // Attach the popup binding to the chevron popup if it has not yet + // been initialized. + if (!this._chevronPopup.hasAttribute("type")) { + this._chevronPopup.setAttribute("place", this.place); + this._chevronPopup.setAttribute("type", "places"); + } + this._chevron.collapsed = false; + this.updateNodesVisibility(); + } + + _onUnderflow() { + this.updateNodesVisibility(); + this._chevron.collapsed = true; + } + + updateNodesVisibility() { + // Update the chevron on a timer. This will avoid repeated work when + // lot of changes happen in a small timeframe. + if (this._updateNodesVisibilityTimer) { + this._updateNodesVisibilityTimer.cancel(); + } + + this._updateNodesVisibilityTimer = this._setTimer(100); + } + + async _updateNodesVisibilityTimerCallback() { + if (this._updatingNodesVisibility || window.closed) { + return; + } + this._updatingNodesVisibility = true; + + let dwu = window.windowUtils; + + let scrollRect = await window.promiseDocumentFlushed(() => + dwu.getBoundsWithoutFlushing(this._rootElt) + ); + + let childOverflowed = false; + + // We're about to potentially update a bunch of nodes, so we do it + // in a requestAnimationFrame so that other JS that's might execute + // in the same tick can avoid flushing styles and layout for these + // changes. + window.requestAnimationFrame(() => { + for (let child of this._rootElt.children) { + // Once a child overflows, all the next ones will. + if (!childOverflowed) { + let childRect = dwu.getBoundsWithoutFlushing(child); + childOverflowed = this.isRTL + ? childRect.left < scrollRect.left + : childRect.right > scrollRect.right; + } + + if (childOverflowed) { + child.removeAttribute("image"); + child.style.visibility = "hidden"; + } else { + let icon = child._placesNode.icon; + if (icon) { + child.setAttribute("image", icon); + } + child.style.removeProperty("visibility"); + } + } + + // We rebuild the chevron on popupShowing, so if it is open + // we must update it. + if (!this._chevron.collapsed && this._chevron.open) { + this._updateChevronPopupNodesVisibility(); + } + + let event = new CustomEvent("BookmarksToolbarVisibilityUpdated", { + bubbles: true, + }); + this._viewElt.dispatchEvent(event); + this._updatingNodesVisibility = false; + }); + } + + nodeInserted(aParentPlacesNode, aPlacesNode, aIndex) { + let parentElt = this._getDOMNodeForPlacesNode(aParentPlacesNode); + if (parentElt == this._rootElt) { + // Node is on the toolbar. + let children = this._rootElt.children; + // Nothing to do if it's a never-visible node, but note it's possible + // we are appending. + if (aIndex > children.length) { + return; + } + + // Note that childCount is already accounting for the node being added, + // thus we must subtract one node from it. + if (this._resultNode.childCount - 1 > children.length) { + if (aIndex == children.length) { + // If we didn't build all the nodes and new node is being appended, + // we can skip it as well. + return; + } + // Keep the number of built nodes consistent. + this._rootElt.removeChild(this._rootElt.lastElementChild); + } + + let button = this._insertNewItem( + aPlacesNode, + this._rootElt, + children[aIndex] || null + ); + let prevSiblingOverflowed = + aIndex > 0 && + aIndex <= children.length && + children[aIndex - 1].style.visibility == "hidden"; + if (prevSiblingOverflowed) { + button.style.visibility = "hidden"; + } else { + let icon = aPlacesNode.icon; + if (icon) { + button.setAttribute("image", icon); + } + this.updateNodesVisibility(); + } + return; + } + + super.nodeInserted(aParentPlacesNode, aPlacesNode, aIndex); + } + + nodeRemoved(aParentPlacesNode, aPlacesNode, aIndex) { + let parentElt = this._getDOMNodeForPlacesNode(aParentPlacesNode); + if (parentElt == this._rootElt) { + // Node is on the toolbar. + let elt = this._getDOMNodeForPlacesNode(aPlacesNode, true); + // Nothing to do if it's a never-visible node. + if (!elt) { + return; + } + + // Here we need the <menu>. + if (elt.localName == "menupopup") { + elt = elt.parentNode; + } + + let overflowed = elt.style.visibility == "hidden"; + this._removeChild(elt); + if (this._resultNode.childCount > this._rootElt.children.length) { + // A new node should be built to keep a coherent number of children. + this._insertNewItem( + this._resultNode.getChild(this._rootElt.children.length), + this._rootElt + ); + } + if (!overflowed) { + this.updateNodesVisibility(); + } + return; + } + + super.nodeRemoved(aParentPlacesNode, aPlacesNode, aIndex); + } + + nodeMoved( + aPlacesNode, + aOldParentPlacesNode, + aOldIndex, + aNewParentPlacesNode, + aNewIndex + ) { + let parentElt = this._getDOMNodeForPlacesNode(aNewParentPlacesNode); + if (parentElt == this._rootElt) { + // Node is on the toolbar. + // Do nothing if the node will never be visible. + let lastBuiltIndex = this._rootElt.children.length - 1; + if (aOldIndex > lastBuiltIndex && aNewIndex > lastBuiltIndex + 1) { + return; + } + + let elt = this._getDOMNodeForPlacesNode(aPlacesNode, true); + if (elt) { + // Here we need the <menu>. + if (elt.localName == "menupopup") { + elt = elt.parentNode; + } + this._removeChild(elt); + } + + if (aNewIndex > lastBuiltIndex + 1) { + if (this._resultNode.childCount > this._rootElt.children.length) { + // If the element was built and becomes non built, another node should + // be built to keep a coherent number of children. + this._insertNewItem( + this._resultNode.getChild(this._rootElt.children.length), + this._rootElt + ); + } + return; + } + + if (!elt) { + // The node has not been inserted yet, so we must create it. + elt = this._insertNewItem( + aPlacesNode, + this._rootElt, + this._rootElt.children[aNewIndex] + ); + let icon = aPlacesNode.icon; + if (icon) { + elt.setAttribute("image", icon); + } + } else { + this._rootElt.insertBefore(elt, this._rootElt.children[aNewIndex]); + } + + // The chevron view may get nodeMoved after the toolbar. In such a case, + // we should ensure (by manually swapping menuitems) that the actual nodes + // are in the final position before updateNodesVisibility tries to update + // their visibility, or the chevron may go out of sync. + // Luckily updateNodesVisibility runs on a timer, so, by the time it updates + // nodes, the menu has already handled the notification. + + this.updateNodesVisibility(); + return; + } + + super.nodeMoved( + aPlacesNode, + aOldParentPlacesNode, + aOldIndex, + aNewParentPlacesNode, + aNewIndex + ); + } + + nodeTitleChanged(aPlacesNode, aNewTitle) { + let elt = this._getDOMNodeForPlacesNode(aPlacesNode, true); + + // Nothing to do if it's a never-visible node. + if (!elt || elt == this._rootElt) { + return; + } + + super.nodeTitleChanged(aPlacesNode, aNewTitle); + + // Here we need the <menu>. + if (elt.localName == "menupopup") { + elt = elt.parentNode; + } + + if (elt.parentNode == this._rootElt) { + // Node is on the toolbar. + if (elt.style.visibility != "hidden") { + this.updateNodesVisibility(); + } + } + } + + invalidateContainer(aPlacesNode) { + let elt = this._getDOMNodeForPlacesNode(aPlacesNode, true); + // Nothing to do if it's a never-visible node. + if (!elt) { + return; + } + + if (elt == this._rootElt) { + // Container is the toolbar itself. + this._rebuild().catch(Cu.reportError); + return; + } + + super.invalidateContainer(aPlacesNode); + } + + _clearOverFolder() { + // The mouse is no longer dragging over the stored menubutton. + // Close the menubutton, clear out drag styles, and clear all + // timers for opening/closing it. + if (this._overFolder.elt && this._overFolder.elt.menupopup) { + if (!this._overFolder.elt.menupopup.hasAttribute("dragover")) { + this._overFolder.elt.menupopup.hidePopup(); + } + this._overFolder.elt.removeAttribute("dragover"); + this._overFolder.elt = null; + } + if (this._overFolder.openTimer) { + this._overFolder.openTimer.cancel(); + this._overFolder.openTimer = null; + } + if (this._overFolder.closeTimer) { + this._overFolder.closeTimer.cancel(); + this._overFolder.closeTimer = null; + } + } + + /** + * This function returns information about where to drop when dragging over + * the toolbar. + * + * @param {object} aEvent + * The associated event. + * @returns {object} + * - ip: the insertion point for the bookmarks service. + * - beforeIndex: child index to drop before, for the drop indicator. + * - folderElt: the folder to drop into, if applicable. + */ + _getDropPoint(aEvent) { + if (!PlacesUtils.nodeIsFolder(this._resultNode)) { + return null; + } + + let dropPoint = { ip: null, beforeIndex: null, folderElt: null }; + let elt = aEvent.target; + if ( + elt._placesNode && + elt != this._rootElt && + elt.localName != "menupopup" + ) { + let eltRect = elt.getBoundingClientRect(); + let eltIndex = Array.prototype.indexOf.call(this._rootElt.children, elt); + if ( + PlacesUtils.nodeIsFolder(elt._placesNode) && + !PlacesUIUtils.isFolderReadOnly(elt._placesNode) + ) { + // This is a folder. + // If we are in the middle of it, drop inside it. + // Otherwise, drop before it, with regards to RTL mode. + let threshold = eltRect.width * 0.25; + if ( + this.isRTL + ? aEvent.clientX > eltRect.right - threshold + : aEvent.clientX < eltRect.left + threshold + ) { + // Drop before this folder. + dropPoint.ip = new PlacesInsertionPoint({ + parentGuid: PlacesUtils.getConcreteItemGuid(this._resultNode), + index: eltIndex, + orientation: Ci.nsITreeView.DROP_BEFORE, + }); + dropPoint.beforeIndex = eltIndex; + } else if ( + this.isRTL + ? aEvent.clientX > eltRect.left + threshold + : aEvent.clientX < eltRect.right - threshold + ) { + // Drop inside this folder. + let tagName = PlacesUtils.nodeIsTagQuery(elt._placesNode) + ? elt._placesNode.title + : null; + dropPoint.ip = new PlacesInsertionPoint({ + parentGuid: PlacesUtils.getConcreteItemGuid(elt._placesNode), + tagName, + }); + dropPoint.beforeIndex = eltIndex; + dropPoint.folderElt = elt; + } else { + // Drop after this folder. + let beforeIndex = + eltIndex == this._rootElt.children.length - 1 ? -1 : eltIndex + 1; + + dropPoint.ip = new PlacesInsertionPoint({ + parentGuid: PlacesUtils.getConcreteItemGuid(this._resultNode), + index: beforeIndex, + orientation: Ci.nsITreeView.DROP_BEFORE, + }); + dropPoint.beforeIndex = beforeIndex; + } + } else { + // This is a non-folder node or a read-only folder. + // Drop before it with regards to RTL mode. + let threshold = eltRect.width * 0.5; + if ( + this.isRTL + ? aEvent.clientX > eltRect.left + threshold + : aEvent.clientX < eltRect.left + threshold + ) { + // Drop before this bookmark. + dropPoint.ip = new PlacesInsertionPoint({ + parentGuid: PlacesUtils.getConcreteItemGuid(this._resultNode), + index: eltIndex, + orientation: Ci.nsITreeView.DROP_BEFORE, + }); + dropPoint.beforeIndex = eltIndex; + } else { + // Drop after this bookmark. + let beforeIndex = + eltIndex == this._rootElt.children.length - 1 ? -1 : eltIndex + 1; + dropPoint.ip = new PlacesInsertionPoint({ + parentGuid: PlacesUtils.getConcreteItemGuid(this._resultNode), + index: beforeIndex, + orientation: Ci.nsITreeView.DROP_BEFORE, + }); + dropPoint.beforeIndex = beforeIndex; + } + } + } else { + // We are most likely dragging on the empty area of the + // toolbar, we should drop after the last node. + dropPoint.ip = new PlacesInsertionPoint({ + parentGuid: PlacesUtils.getConcreteItemGuid(this._resultNode), + orientation: Ci.nsITreeView.DROP_BEFORE, + }); + dropPoint.beforeIndex = -1; + } + + return dropPoint; + } + + _setTimer(aTime) { + let timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer); + timer.initWithCallback(this, aTime, timer.TYPE_ONE_SHOT); + return timer; + } + + notify(aTimer) { + if (aTimer == this._updateNodesVisibilityTimer) { + this._updateNodesVisibilityTimer = null; + this._updateNodesVisibilityTimerCallback(); + } else if (aTimer == this._overFolder.openTimer) { + // * Timer to open a menubutton that's being dragged over. + // Set the autoopen attribute on the folder's menupopup so that + // the menu will automatically close when the mouse drags off of it. + this._overFolder.elt.menupopup.setAttribute("autoopened", "true"); + this._overFolder.elt.open = true; + this._overFolder.openTimer = null; + } else if (aTimer == this._overFolder.closeTimer) { + // * Timer to close a menubutton that's been dragged off of. + // Close the menubutton if we are not dragging over it or one of + // its children. The autoopened attribute will let the menu know to + // close later if the menu is still being dragged over. + let currentPlacesNode = PlacesControllerDragHelper.currentDropTarget; + let inHierarchy = false; + while (currentPlacesNode) { + if (currentPlacesNode == this._rootElt) { + inHierarchy = true; + break; + } + currentPlacesNode = currentPlacesNode.parentNode; + } + // The _clearOverFolder() function will close the menu for + // _overFolder.elt. So null it out if we don't want to close it. + if (inHierarchy) { + this._overFolder.elt = null; + } + + // Clear out the folder and all associated timers. + this._clearOverFolder(); + } + } + + _onMouseOver(aEvent) { + let button = aEvent.target; + if ( + button.parentNode == this._rootElt && + button._placesNode && + PlacesUtils.nodeIsURI(button._placesNode) + ) { + window.XULBrowserWindow.setOverLink(aEvent.target._placesNode.uri); + } + } + + _onMouseOut(aEvent) { + window.XULBrowserWindow.setOverLink(""); + } + + _onMouseDown(aEvent) { + let target = aEvent.target; + if ( + aEvent.button == 0 && + target.localName == "toolbarbutton" && + target.getAttribute("type") == "menu" + ) { + let modifKey = aEvent.shiftKey || aEvent.getModifierState("Accel"); + if (modifKey) { + // Do not open the popup since BEH_onClick is about to + // open all child uri nodes in tabs. + this._allowPopupShowing = false; + } + } + if (target._placesNode?.uri) { + PlacesUIUtils.setupSpeculativeConnection(target._placesNode.uri, window); + } + } + + _cleanupDragDetails() { + // Called on dragend and drop. + PlacesControllerDragHelper.currentDropTarget = null; + this._draggedElt = null; + this._dropIndicator.collapsed = true; + } + + _onDragStart(aEvent) { + // Sub menus have their own d&d handlers. + let draggedElt = aEvent.target; + if (draggedElt.parentNode != this._rootElt || !draggedElt._placesNode) { + return; + } + + if ( + draggedElt.localName == "toolbarbutton" && + draggedElt.getAttribute("type") == "menu" + ) { + // If the drag gesture on a container is toward down we open instead + // of dragging. + let translateY = this._cachedMouseMoveEvent.clientY - aEvent.clientY; + let translateX = this._cachedMouseMoveEvent.clientX - aEvent.clientX; + if (translateY >= Math.abs(translateX / 2)) { + // Don't start the drag. + aEvent.preventDefault(); + // Open the menu. + draggedElt.open = true; + return; + } + + // If the menu is open, close it. + if (draggedElt.open) { + draggedElt.menupopup.hidePopup(); + draggedElt.open = false; + } + } + + // Activate the view and cache the dragged element. + this._draggedElt = draggedElt._placesNode; + this._rootElt.focus(); + + this._controller.setDataTransfer(aEvent); + aEvent.stopPropagation(); + } + + _onDragOver(aEvent) { + // Cache the dataTransfer + PlacesControllerDragHelper.currentDropTarget = aEvent.target; + let dt = aEvent.dataTransfer; + + let dropPoint = this._getDropPoint(aEvent); + if ( + !dropPoint || + !dropPoint.ip || + !PlacesControllerDragHelper.canDrop(dropPoint.ip, dt) + ) { + this._dropIndicator.collapsed = true; + aEvent.stopPropagation(); + return; + } + + if (dropPoint.folderElt || aEvent.originalTarget == this._chevron) { + // Dropping over a menubutton or chevron button. + // Set styles and timer to open relative menupopup. + let overElt = dropPoint.folderElt || this._chevron; + if (this._overFolder.elt != overElt) { + this._clearOverFolder(); + this._overFolder.elt = overElt; + this._overFolder.openTimer = this._setTimer(this._overFolder.hoverTime); + } + if (!this._overFolder.elt.hasAttribute("dragover")) { + this._overFolder.elt.setAttribute("dragover", "true"); + } + + this._dropIndicator.collapsed = true; + } else { + // Dragging over a normal toolbarbutton, + // show indicator bar and move it to the appropriate drop point. + let ind = this._dropIndicator; + ind.parentNode.collapsed = false; + let halfInd = ind.clientWidth / 2; + let translateX; + if (this.isRTL) { + halfInd = Math.ceil(halfInd); + translateX = 0 - this._rootElt.getBoundingClientRect().right - halfInd; + if (this._rootElt.firstElementChild) { + if (dropPoint.beforeIndex == -1) { + translateX += this._rootElt.lastElementChild.getBoundingClientRect() + .left; + } else { + translateX += this._rootElt.children[ + dropPoint.beforeIndex + ].getBoundingClientRect().right; + } + } + } else { + halfInd = Math.floor(halfInd); + translateX = 0 - this._rootElt.getBoundingClientRect().left + halfInd; + if (this._rootElt.firstElementChild) { + if (dropPoint.beforeIndex == -1) { + translateX += this._rootElt.lastElementChild.getBoundingClientRect() + .right; + } else { + translateX += this._rootElt.children[ + dropPoint.beforeIndex + ].getBoundingClientRect().left; + } + } + } + + ind.style.transform = "translate(" + Math.round(translateX) + "px)"; + ind.style.marginInlineStart = -ind.clientWidth + "px"; + ind.collapsed = false; + + // Clear out old folder information. + this._clearOverFolder(); + } + + aEvent.preventDefault(); + aEvent.stopPropagation(); + } + + _onDrop(aEvent) { + PlacesControllerDragHelper.currentDropTarget = aEvent.target; + + let dropPoint = this._getDropPoint(aEvent); + if (dropPoint && dropPoint.ip) { + PlacesControllerDragHelper.onDrop( + dropPoint.ip, + aEvent.dataTransfer + ).catch(Cu.reportError); + aEvent.preventDefault(); + } + + this._cleanupDragDetails(); + aEvent.stopPropagation(); + } + + _onDragLeave(aEvent) { + PlacesControllerDragHelper.currentDropTarget = null; + + this._dropIndicator.collapsed = true; + + // If we hovered over a folder, close it now. + if (this._overFolder.elt) { + this._overFolder.closeTimer = this._setTimer(this._overFolder.hoverTime); + } + } + + _onDragEnd(aEvent) { + this._cleanupDragDetails(); + } + + _onPopupShowing(aEvent) { + if (!this._allowPopupShowing) { + this._allowPopupShowing = true; + aEvent.preventDefault(); + return; + } + + let parent = aEvent.target.parentNode; + if (parent.localName == "toolbarbutton") { + this._openedMenuButton = parent; + } + + super._onPopupShowing(aEvent); + } + + _onPopupHidden(aEvent) { + let popup = aEvent.target; + let placesNode = popup._placesNode; + // Avoid handling popuphidden of inner views + if ( + placesNode && + PlacesUIUtils.getViewForNode(popup) == this && + // UI performance: folder queries are cheap, keep the resultnode open + // so we don't rebuild its contents whenever the popup is reopened. + !PlacesUtils.nodeIsFolder(placesNode) + ) { + placesNode.containerOpen = false; + } + + let parent = popup.parentNode; + if (parent.localName == "toolbarbutton") { + this._openedMenuButton = null; + // Clear the dragover attribute if present, if we are dragging into a + // folder in the hierachy of current opened popup we don't clear + // this attribute on clearOverFolder. See Notify for closeTimer. + if (parent.hasAttribute("dragover")) { + parent.removeAttribute("dragover"); + } + } + } + + _onMouseMove(aEvent) { + // Used in dragStart to prevent dragging folders when dragging down. + this._cachedMouseMoveEvent = aEvent; + + if ( + this._openedMenuButton == null || + PlacesControllerDragHelper.getSession() + ) { + return; + } + + let target = aEvent.originalTarget; + if ( + this._openedMenuButton != target && + target.localName == "toolbarbutton" && + target.type == "menu" + ) { + this._openedMenuButton.open = false; + target.open = true; + } + } +} + +/** + * View for Places menus. This object should be created during the first + * popupshowing that's dispatched on the menu. + * + */ +class PlacesMenu extends PlacesViewBase { + /** + * + * @param {Event} popupShowingEvent + * The event associated with opening the menu. + * @param {string} placesUrl + * The query associated with the view on the menu. + */ + constructor(popupShowingEvent, placesUrl) { + super( + placesUrl, + popupShowingEvent.target, // <menupopup> + popupShowingEvent.target.parentNode // <menu> + ); + + this._addEventListeners( + this._rootElt, + ["popupshowing", "popuphidden"], + true + ); + this._addEventListeners(window, ["unload"], false); + this._addEventListeners(this._rootElt, ["mousedown"], false); + if (AppConstants.platform === "macosx") { + // Must walk up to support views in sub-menus, like Bookmarks Toolbar menu. + for (let elt = this._viewElt.parentNode; elt; elt = elt.parentNode) { + if (elt.localName == "menubar") { + this._nativeView = true; + break; + } + } + } + + this._onPopupShowing(popupShowingEvent); + } + + _init() { + this._viewElt._placesView = this; + } + + _removeChild(aChild) { + super._removeChild(aChild); + } + + uninit() { + this._removeEventListeners( + this._rootElt, + ["popupshowing", "popuphidden"], + true + ); + this._removeEventListeners(window, ["unload"], false); + this._removeEventListeners(this._rootElt, ["mousedown"], false); + + super.uninit(); + } + + handleEvent(aEvent) { + switch (aEvent.type) { + case "unload": + this.uninit(); + break; + case "popupshowing": + this._onPopupShowing(aEvent); + break; + case "popuphidden": + this._onPopupHidden(aEvent); + break; + case "mousedown": + this._onMouseDown(aEvent); + break; + } + } + + _onPopupHidden(aEvent) { + // Avoid handling popuphidden of inner views. + let popup = aEvent.originalTarget; + let placesNode = popup._placesNode; + if (!placesNode || PlacesUIUtils.getViewForNode(popup) != this) { + return; + } + + // UI performance: folder queries are cheap, keep the resultnode open + // so we don't rebuild its contents whenever the popup is reopened. + if (!PlacesUtils.nodeIsFolder(placesNode)) { + placesNode.containerOpen = false; + } + + // The autoopened attribute is set for folders which have been + // automatically opened when dragged over. Turn off this attribute + // when the folder closes because it is no longer applicable. + popup.removeAttribute("autoopened"); + popup.removeAttribute("dragstart"); + } + + // We don't have a facility for catch "mousedown" events on the native + // Mac menus because Mac doesn't expose it + _onMouseDown(aEvent) { + let target = aEvent.target; + if (target._placesNode?.uri) { + PlacesUIUtils.setupSpeculativeConnection(target._placesNode.uri, window); + } + } +} + +// This is used from CustomizableWidgets.jsm using a `window` reference, +// so we have to expose this on the global. +this.PlacesPanelview = class PlacesPanelview extends PlacesViewBase { + constructor(placeUrl, rootElt, viewElt) { + super(placeUrl, rootElt, viewElt); + this._viewElt._placesView = this; + // We're simulating a popup show, because a panelview may only be shown when + // its containing popup is already shown. + this._onPopupShowing({ originalTarget: this._rootElt }); + this._addEventListeners(window, ["unload"]); + this._rootElt.setAttribute("context", "placesContext"); + } + + get events() { + if (this._events) { + return this._events; + } + return (this._events = [ + "click", + "command", + "dragend", + "dragstart", + "ViewHiding", + "ViewShown", + ]); + } + + handleEvent(event) { + switch (event.type) { + case "click": + // For middle clicks, fall through to the command handler. + if (event.button != 1) { + break; + } + // fall through + case "command": + this._onCommand(event); + break; + case "dragend": + this._onDragEnd(event); + break; + case "dragstart": + this._onDragStart(event); + break; + case "unload": + this.uninit(event); + break; + case "ViewHiding": + this._onPopupHidden(event); + break; + case "ViewShown": + this._onViewShown(event); + break; + } + } + + _onCommand(event) { + event = getRootEvent(event); + let button = event.originalTarget; + if (!button._placesNode) { + return; + } + + let modifKey = + AppConstants.platform === "macosx" ? event.metaKey : event.ctrlKey; + if (!PlacesUIUtils.openInTabClosesMenu && modifKey) { + // If 'Recent Bookmarks' in Bookmarks Panel. + if (button.parentNode.id == "panelMenu_bookmarksMenu") { + button.setAttribute("closemenu", "none"); + } + } else { + button.removeAttribute("closemenu"); + } + PlacesUIUtils.openNodeWithEvent(button._placesNode, event); + // Unlike left-click, middle-click requires manual menu closing. + if ( + button.parentNode.id != "panelMenu_bookmarksMenu" || + (event.type == "click" && + event.button == 1 && + PlacesUIUtils.openInTabClosesMenu) + ) { + this.panelMultiView.closest("panel").hidePopup(); + } + } + + _onDragEnd() { + this._draggedElt = null; + } + + _onDragStart(event) { + let draggedElt = event.originalTarget; + if (draggedElt.parentNode != this._rootElt || !draggedElt._placesNode) { + return; + } + + // Activate the view and cache the dragged element. + this._draggedElt = draggedElt._placesNode; + this._rootElt.focus(); + + this._controller.setDataTransfer(event); + event.stopPropagation(); + } + + uninit(event) { + this._removeEventListeners(this.panelMultiView, this.events); + this._removeEventListeners(window, ["unload"]); + delete this.panelMultiView; + super.uninit(event); + } + + _createDOMNodeForPlacesNode(placesNode) { + this._domNodes.delete(placesNode); + + let element; + let type = placesNode.type; + if (type == Ci.nsINavHistoryResultNode.RESULT_TYPE_SEPARATOR) { + element = document.createXULElement("toolbarseparator"); + } else { + if (type != Ci.nsINavHistoryResultNode.RESULT_TYPE_URI) { + throw new Error("Unexpected node"); + } + + element = document.createXULElement("toolbarbutton"); + element.classList.add( + "subviewbutton", + "subviewbutton-iconic", + "bookmark-item" + ); + element.setAttribute( + "scheme", + PlacesUIUtils.guessUrlSchemeForUI(placesNode.uri) + ); + element.setAttribute("label", PlacesUIUtils.getBestTitle(placesNode)); + + let icon = placesNode.icon; + if (icon) { + element.setAttribute("image", icon); + } + } + + element._placesNode = placesNode; + if (!this._domNodes.has(placesNode)) { + this._domNodes.set(placesNode, element); + } + + return element; + } + + _setEmptyPopupStatus(panelview, empty = false) { + if (!panelview._emptyMenuitem) { + let label = PlacesUIUtils.getString("bookmarksMenuEmptyFolder"); + panelview._emptyMenuitem = document.createXULElement("toolbarbutton"); + panelview._emptyMenuitem.setAttribute("label", label); + panelview._emptyMenuitem.setAttribute("disabled", true); + panelview._emptyMenuitem.className = "subviewbutton"; + if (this._appendClassToChildren) { + panelview._emptyMenuitem.classList.add(this._appendClassToChildren); + } + } + + if (empty) { + panelview.setAttribute("emptyplacesresult", "true"); + // Don't add the menuitem if there is static content. + // We also support external usage for custom crafted panels - which'll have + // no markers present. + if ( + !panelview._startMarker || + (!panelview._startMarker.previousElementSibling && + !panelview._endMarker.nextElementSibling) + ) { + panelview.insertBefore(panelview._emptyMenuitem, panelview._endMarker); + } + } else { + panelview.removeAttribute("emptyplacesresult"); + try { + panelview.removeChild(panelview._emptyMenuitem); + } catch (ex) {} + } + } + + _isPopupOpen() { + return PanelView.forNode(this._viewElt).active; + } + + _onPopupHidden(event) { + let panelview = event.originalTarget; + let placesNode = panelview._placesNode; + // Avoid handling ViewHiding of inner views + if ( + placesNode && + PlacesUIUtils.getViewForNode(panelview) == this && + // UI performance: folder queries are cheap, keep the resultnode open + // so we don't rebuild its contents whenever the popup is reopened. + !PlacesUtils.nodeIsFolder(placesNode) + ) { + placesNode.containerOpen = false; + } + } + + _onPopupShowing(event) { + // If the event came from the root element, this is the first time + // we ever get here. + if (event.originalTarget == this._rootElt) { + // Start listening for events from all panels inside the panelmultiview. + this.panelMultiView = this._viewElt.panelMultiView; + this._addEventListeners(this.panelMultiView, this.events); + } + super._onPopupShowing(event); + } + + _onViewShown(event) { + if (event.originalTarget != this._viewElt) { + return; + } + + // Because PanelMultiView reparents the panelview internally, the controller + // may get lost. In that case we'll append it again, because we certainly + // need it later! + if (!this.controllers.getControllerCount() && this._controller) { + this.controllers.appendController(this._controller); + } + } +}; |