forked from mirrors/gecko-dev
9d60e0d578
Differential Revision: https://phabricator.services.mozilla.com/D45629 --HG-- extra : moz-landing-system : lando
1568 lines
49 KiB
JavaScript
1568 lines
49 KiB
JavaScript
/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* import-globals-from ../../../base/content/utilityOverlay.js */
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/* import-globals-from ../PlacesUIUtils.jsm */
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/* import-globals-from ../../../../toolkit/components/places/PlacesUtils.jsm */
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/* import-globals-from ../../../../toolkit/components/places/PlacesTransactions.jsm */
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/**
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* Represents an insertion point within a container where we can insert
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* items.
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* @param {object} an object containing the following properties:
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* - parentId
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* The identifier of the parent container
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* - parentGuid
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* The unique identifier of the parent container
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* - index
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* The index within the container where to insert, defaults to appending
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* - orientation
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* The orientation of the insertion. NOTE: the adjustments to the
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* insertion point to accommodate the orientation should be done by
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* the person who constructs the IP, not the user. The orientation
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* is provided for informational purposes only! Defaults to DROP_ON.
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* - tagName
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* The tag name if this IP is set to a tag, null otherwise.
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* - dropNearNode
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* When defined index will be calculated based on this node
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*/
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function PlacesInsertionPoint({
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parentId,
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parentGuid,
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index = PlacesUtils.bookmarks.DEFAULT_INDEX,
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orientation = Ci.nsITreeView.DROP_ON,
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tagName = null,
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dropNearNode = null,
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}) {
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this.itemId = parentId;
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this.guid = parentGuid;
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this._index = index;
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this.orientation = orientation;
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this.tagName = tagName;
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this.dropNearNode = dropNearNode;
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}
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PlacesInsertionPoint.prototype = {
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set index(val) {
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return (this._index = val);
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},
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async getIndex() {
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if (this.dropNearNode) {
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// If dropNearNode is set up we must calculate the index of the item near
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// which we will drop.
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let index = (await PlacesUtils.bookmarks.fetch(
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this.dropNearNode.bookmarkGuid
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)).index;
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return this.orientation == Ci.nsITreeView.DROP_BEFORE ? index : index + 1;
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}
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return this._index;
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},
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get isTag() {
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return typeof this.tagName == "string";
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},
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};
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/**
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* Places Controller
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*/
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function PlacesController(aView) {
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this._view = aView;
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XPCOMUtils.defineLazyServiceGetter(
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this,
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"clipboard",
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"@mozilla.org/widget/clipboard;1",
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"nsIClipboard"
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);
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XPCOMUtils.defineLazyGetter(this, "profileName", function() {
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return Services.dirsvc.get("ProfD", Ci.nsIFile).leafName;
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});
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}
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PlacesController.prototype = {
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/**
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* The places view.
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*/
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_view: null,
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// This is used in certain views to disable user actions on the places tree
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// views. This avoids accidental deletion/modification when the user is not
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// actually organising the trees.
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disableUserActions: false,
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QueryInterface: ChromeUtils.generateQI([Ci.nsIClipboardOwner]),
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// nsIClipboardOwner
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LosingOwnership: function PC_LosingOwnership(aXferable) {
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this.cutNodes = [];
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},
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terminate: function PC_terminate() {
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this._releaseClipboardOwnership();
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},
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supportsCommand: function PC_supportsCommand(aCommand) {
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if (this.disableUserActions) {
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return false;
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}
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// Non-Places specific commands that we also support
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switch (aCommand) {
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case "cmd_undo":
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case "cmd_redo":
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case "cmd_cut":
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case "cmd_copy":
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case "cmd_paste":
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case "cmd_delete":
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case "cmd_selectAll":
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return true;
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}
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// All other Places Commands are prefixed with "placesCmd_" ... this
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// filters out other commands that we do _not_ support (see 329587).
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const CMD_PREFIX = "placesCmd_";
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return aCommand.substr(0, CMD_PREFIX.length) == CMD_PREFIX;
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},
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isCommandEnabled: function PC_isCommandEnabled(aCommand) {
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switch (aCommand) {
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case "cmd_undo":
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return PlacesTransactions.topUndoEntry != null;
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case "cmd_redo":
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return PlacesTransactions.topRedoEntry != null;
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case "cmd_cut":
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case "placesCmd_cut":
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for (let node of this._view.selectedNodes) {
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// If selection includes history nodes or tags-as-bookmark, disallow
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// cutting.
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if (
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node.itemId == -1 ||
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(node.parent && PlacesUtils.nodeIsTagQuery(node.parent))
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) {
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return false;
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}
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}
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// Otherwise fall through the cmd_delete check.
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case "cmd_delete":
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case "placesCmd_delete":
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case "placesCmd_deleteDataHost":
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return this._hasRemovableSelection();
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case "cmd_copy":
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case "placesCmd_copy":
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return this._view.hasSelection;
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case "cmd_paste":
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case "placesCmd_paste":
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return this._canInsert(true) && this._isClipboardDataPasteable();
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case "cmd_selectAll":
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if (this._view.selType != "single") {
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let rootNode = this._view.result.root;
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if (rootNode.containerOpen && rootNode.childCount > 0) {
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return true;
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}
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}
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return false;
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case "placesCmd_open":
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case "placesCmd_open:window":
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case "placesCmd_open:privatewindow":
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case "placesCmd_open:tab": {
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let selectedNode = this._view.selectedNode;
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return selectedNode && PlacesUtils.nodeIsURI(selectedNode);
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}
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case "placesCmd_new:folder":
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return this._canInsert();
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case "placesCmd_new:bookmark":
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return this._canInsert();
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case "placesCmd_new:separator":
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return (
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this._canInsert() &&
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!PlacesUtils.asQuery(this._view.result.root).queryOptions
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.excludeItems &&
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this._view.result.sortingMode ==
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Ci.nsINavHistoryQueryOptions.SORT_BY_NONE
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);
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case "placesCmd_show:info": {
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let selectedNode = this._view.selectedNode;
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return (
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selectedNode &&
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(PlacesUtils.nodeIsTagQuery(selectedNode) ||
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PlacesUtils.nodeIsBookmark(selectedNode) ||
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(PlacesUtils.nodeIsFolder(selectedNode) &&
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!PlacesUtils.isQueryGeneratedFolder(selectedNode)))
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);
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}
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case "placesCmd_sortBy:name": {
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let selectedNode = this._view.selectedNode;
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return (
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selectedNode &&
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PlacesUtils.nodeIsFolder(selectedNode) &&
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!PlacesUIUtils.isFolderReadOnly(selectedNode) &&
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this._view.result.sortingMode ==
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Ci.nsINavHistoryQueryOptions.SORT_BY_NONE
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);
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}
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case "placesCmd_createBookmark":
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var node = this._view.selectedNode;
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return node && PlacesUtils.nodeIsURI(node) && node.itemId == -1;
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default:
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return false;
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}
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},
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doCommand: function PC_doCommand(aCommand) {
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switch (aCommand) {
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case "cmd_undo":
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PlacesTransactions.undo().catch(Cu.reportError);
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break;
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case "cmd_redo":
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PlacesTransactions.redo().catch(Cu.reportError);
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break;
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case "cmd_cut":
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case "placesCmd_cut":
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this.cut();
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break;
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case "cmd_copy":
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case "placesCmd_copy":
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this.copy();
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break;
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case "cmd_paste":
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case "placesCmd_paste":
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this.paste().catch(Cu.reportError);
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break;
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case "cmd_delete":
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case "placesCmd_delete":
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this.remove("Remove Selection").catch(Cu.reportError);
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break;
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case "placesCmd_deleteDataHost":
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let host;
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if (PlacesUtils.nodeIsHost(this._view.selectedNode)) {
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host = this._view.selectedNode.query.domain;
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} else {
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host = Services.io.newURI(this._view.selectedNode.uri).host;
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}
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let { ForgetAboutSite } = ChromeUtils.import(
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"resource://gre/modules/ForgetAboutSite.jsm"
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);
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ForgetAboutSite.removeDataFromDomain(host).catch(Cu.reportError);
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break;
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case "cmd_selectAll":
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this.selectAll();
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break;
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case "placesCmd_open":
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PlacesUIUtils.openNodeIn(
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this._view.selectedNode,
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"current",
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this._view
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);
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break;
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case "placesCmd_open:window":
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PlacesUIUtils.openNodeIn(this._view.selectedNode, "window", this._view);
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break;
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case "placesCmd_open:privatewindow":
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PlacesUIUtils.openNodeIn(
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this._view.selectedNode,
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"window",
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this._view,
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true
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);
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break;
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case "placesCmd_open:tab":
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PlacesUIUtils.openNodeIn(this._view.selectedNode, "tab", this._view);
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break;
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case "placesCmd_new:folder":
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this.newItem("folder").catch(Cu.reportError);
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break;
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case "placesCmd_new:bookmark":
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this.newItem("bookmark").catch(Cu.reportError);
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break;
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case "placesCmd_new:separator":
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this.newSeparator().catch(Cu.reportError);
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break;
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case "placesCmd_show:info":
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this.showBookmarkPropertiesForSelection();
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break;
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case "placesCmd_sortBy:name":
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this.sortFolderByName().catch(Cu.reportError);
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break;
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case "placesCmd_createBookmark":
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let node = this._view.selectedNode;
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PlacesUIUtils.showBookmarkDialog(
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{
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action: "add",
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type: "bookmark",
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hiddenRows: ["keyword", "location"],
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uri: Services.io.newURI(node.uri),
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title: node.title,
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},
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window.top
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);
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break;
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}
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},
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onEvent: function PC_onEvent(eventName) {},
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/**
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* Determine whether or not the selection can be removed, either by the
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* delete or cut operations based on whether or not any of its contents
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* are non-removable. We don't need to worry about recursion here since it
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* is a policy decision that a removable item not be placed inside a non-
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* removable item.
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*
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* @return true if all nodes in the selection can be removed,
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* false otherwise.
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*/
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_hasRemovableSelection() {
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var ranges = this._view.removableSelectionRanges;
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if (!ranges.length) {
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return false;
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}
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var root = this._view.result.root;
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for (var j = 0; j < ranges.length; j++) {
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var nodes = ranges[j];
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for (var i = 0; i < nodes.length; ++i) {
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// Disallow removing the view's root node
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if (nodes[i] == root) {
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return false;
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}
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if (!PlacesUIUtils.canUserRemove(nodes[i])) {
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return false;
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}
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}
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}
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return true;
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},
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/**
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* Determines whether or not nodes can be inserted relative to the selection.
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*/
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_canInsert: function PC__canInsert(isPaste) {
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var ip = this._view.insertionPoint;
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return ip != null && (isPaste || !ip.isTag);
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},
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/**
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* Looks at the data on the clipboard to see if it is paste-able.
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* Paste-able data is:
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* - in a format that the view can receive
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* @return true if: - clipboard data is of a TYPE_X_MOZ_PLACE_* flavor,
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* - clipboard data is of type TEXT_UNICODE and
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* is a valid URI.
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*/
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_isClipboardDataPasteable: function PC__isClipboardDataPasteable() {
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// if the clipboard contains TYPE_X_MOZ_PLACE_* data, it is definitely
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// pasteable, with no need to unwrap all the nodes.
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var flavors = PlacesUIUtils.PLACES_FLAVORS;
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var clipboard = this.clipboard;
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var hasPlacesData = clipboard.hasDataMatchingFlavors(
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flavors,
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Ci.nsIClipboard.kGlobalClipboard
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);
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if (hasPlacesData) {
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return this._view.insertionPoint != null;
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}
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// if the clipboard doesn't have TYPE_X_MOZ_PLACE_* data, we also allow
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// pasting of valid "text/unicode" and "text/x-moz-url" data
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var xferable = Cc["@mozilla.org/widget/transferable;1"].createInstance(
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Ci.nsITransferable
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);
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xferable.init(null);
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xferable.addDataFlavor(PlacesUtils.TYPE_X_MOZ_URL);
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xferable.addDataFlavor(PlacesUtils.TYPE_UNICODE);
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clipboard.getData(xferable, Ci.nsIClipboard.kGlobalClipboard);
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try {
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// getAnyTransferData will throw if no data is available.
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var data = {},
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type = {};
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xferable.getAnyTransferData(type, data);
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data = data.value.QueryInterface(Ci.nsISupportsString).data;
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if (
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type.value != PlacesUtils.TYPE_X_MOZ_URL &&
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type.value != PlacesUtils.TYPE_UNICODE
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) {
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return false;
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}
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// unwrapNodes() will throw if the data blob is malformed.
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PlacesUtils.unwrapNodes(data, type.value);
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return this._view.insertionPoint != null;
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} catch (e) {
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// getAnyTransferData or unwrapNodes failed
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return false;
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}
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},
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/**
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* Gathers information about the selected nodes according to the following
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* rules:
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* "link" node is a URI
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* "bookmark" node is a bookmark
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* "tagChild" node is a child of a tag
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* "folder" node is a folder
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* "query" node is a query
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* "separator" node is a separator line
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* "host" node is a host
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*
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* @return an array of objects corresponding the selected nodes. Each
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* object has each of the properties above set if its corresponding
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* node matches the rule. In addition, the annotations names for each
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* node are set on its corresponding object as properties.
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* Notes:
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* 1) This can be slow, so don't call it anywhere performance critical!
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*/
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_buildSelectionMetadata: function PC__buildSelectionMetadata() {
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var metadata = [];
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var nodes = this._view.selectedNodes;
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for (var i = 0; i < nodes.length; i++) {
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var nodeData = {};
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var node = nodes[i];
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var nodeType = node.type;
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// We don't use the nodeIs* methods here to avoid going through the type
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// property way too often
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switch (nodeType) {
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case Ci.nsINavHistoryResultNode.RESULT_TYPE_QUERY:
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nodeData.query = true;
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if (node.parent) {
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switch (PlacesUtils.asQuery(node.parent).queryOptions.resultType) {
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case Ci.nsINavHistoryQueryOptions.RESULTS_AS_SITE_QUERY:
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nodeData.host = true;
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break;
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case Ci.nsINavHistoryQueryOptions.RESULTS_AS_DATE_SITE_QUERY:
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case Ci.nsINavHistoryQueryOptions.RESULTS_AS_DATE_QUERY:
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nodeData.day = true;
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break;
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}
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}
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break;
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case Ci.nsINavHistoryResultNode.RESULT_TYPE_FOLDER:
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case Ci.nsINavHistoryResultNode.RESULT_TYPE_FOLDER_SHORTCUT:
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nodeData.folder = true;
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break;
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case Ci.nsINavHistoryResultNode.RESULT_TYPE_SEPARATOR:
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nodeData.separator = true;
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break;
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case Ci.nsINavHistoryResultNode.RESULT_TYPE_URI:
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nodeData.link = true;
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if (PlacesUtils.nodeIsBookmark(node)) {
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nodeData.bookmark = true;
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var parentNode = node.parent;
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if (parentNode && PlacesUtils.nodeIsTagQuery(parentNode)) {
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nodeData.tagChild = true;
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}
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}
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break;
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}
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metadata.push(nodeData);
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}
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return metadata;
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},
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|
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/**
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* Determines if a context-menu item should be shown
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* @param aMenuItem
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* the context menu item
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* @param aMetaData
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* meta data about the selection
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* @return true if the conditions (see buildContextMenu) are satisfied
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* and the item can be displayed, false otherwise.
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*/
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_shouldShowMenuItem: function PC__shouldShowMenuItem(aMenuItem, aMetaData) {
|
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if (
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aMenuItem.hasAttribute("hideifprivatebrowsing") &&
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!PrivateBrowsingUtils.enabled
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) {
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return false;
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}
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var selectiontype = aMenuItem.getAttribute("selectiontype");
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if (!selectiontype) {
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selectiontype = "single|multiple";
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}
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var selectionTypes = selectiontype.split("|");
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if (selectionTypes.includes("any")) {
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return true;
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}
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var count = aMetaData.length;
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if (count > 1 && !selectionTypes.includes("multiple")) {
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return false;
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}
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if (count == 1 && !selectionTypes.includes("single")) {
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return false;
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}
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// NB: if there is no selection, we show the item if and only if
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// the selectiontype includes 'none' - the metadata list will be
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// empty so none of the other criteria will apply anyway.
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if (count == 0) {
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return selectionTypes.includes("none");
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}
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var forceHideAttr = aMenuItem.getAttribute("forcehideselection");
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if (forceHideAttr) {
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var forceHideRules = forceHideAttr.split("|");
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for (let i = 0; i < aMetaData.length; ++i) {
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for (let j = 0; j < forceHideRules.length; ++j) {
|
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if (forceHideRules[j] in aMetaData[i]) {
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return false;
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}
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}
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}
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}
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var selectionAttr = aMenuItem.getAttribute("selection");
|
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if (!selectionAttr) {
|
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return !aMenuItem.hidden;
|
|
}
|
|
|
|
if (selectionAttr == "any") {
|
|
return true;
|
|
}
|
|
|
|
var showRules = selectionAttr.split("|");
|
|
var anyMatched = false;
|
|
function metaDataNodeMatches(metaDataNode, rules) {
|
|
for (var i = 0; i < rules.length; i++) {
|
|
if (rules[i] in metaDataNode) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
for (var i = 0; i < aMetaData.length; ++i) {
|
|
if (metaDataNodeMatches(aMetaData[i], showRules)) {
|
|
anyMatched = true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
return anyMatched;
|
|
},
|
|
|
|
/**
|
|
* Detects information (meta-data rules) about the current selection in the
|
|
* view (see _buildSelectionMetadata) and sets the visibility state for each
|
|
* of the menu-items in the given popup with the following rules applied:
|
|
* 0) The "ignoreitem" attribute may be set to "true" for this code not to
|
|
* handle that menuitem.
|
|
* 1) The "selectiontype" attribute may be set on a menu-item to "single"
|
|
* if the menu-item should be visible only if there is a single node
|
|
* selected, or to "multiple" if the menu-item should be visible only if
|
|
* multiple nodes are selected, or to "none" if the menuitems should be
|
|
* visible for if there are no selected nodes, or to a |-separated
|
|
* combination of these.
|
|
* If the attribute is not set or set to an invalid value, the menu-item
|
|
* may be visible irrespective of the selection.
|
|
* 2) The "selection" attribute may be set on a menu-item to the various
|
|
* meta-data rules for which it may be visible. The rules should be
|
|
* separated with the | character.
|
|
* 3) A menu-item may be visible only if at least one of the rules set in
|
|
* its selection attribute apply to each of the selected nodes in the
|
|
* view.
|
|
* 4) The "forcehideselection" attribute may be set on a menu-item to rules
|
|
* for which it should be hidden. This attribute takes priority over the
|
|
* selection attribute. A menu-item would be hidden if at least one of the
|
|
* given rules apply to one of the selected nodes. The rules should be
|
|
* separated with the | character.
|
|
* 5) The "hideifnoinsertionpoint" attribute may be set on a menu-item to
|
|
* true if it should be hidden when there's no insertion point
|
|
* 6) The visibility state of a menu-item is unchanged if none of these
|
|
* attribute are set.
|
|
* 7) These attributes should not be set on separators for which the
|
|
* visibility state is "auto-detected."
|
|
* 8) The "hideifprivatebrowsing" attribute may be set on a menu-item to
|
|
* true if it should be hidden inside the private browsing mode
|
|
* 9) The "forcehideintabbrowser" attribute may be set on a menu-item if
|
|
* it should be hidden when we're in a tabbed browsing window.
|
|
* @param aPopup
|
|
* The menupopup to build children into.
|
|
* @return true if at least one item is visible, false otherwise.
|
|
*/
|
|
buildContextMenu: function PC_buildContextMenu(aPopup) {
|
|
// In tabbed browsing windows, ensure the plain 'open' item gets hidden,
|
|
// unless we open in tabs by default, in which case we want it visible
|
|
// so users can use the context menu to force the bookmark to open in
|
|
// the current tab.
|
|
if (window.top.gBrowser) {
|
|
var openInCurrentTab = document.getElementById("placesContext_open");
|
|
if (!PlacesUIUtils.loadBookmarksInTabs) {
|
|
openInCurrentTab.setAttribute("forcehideintabbrowser", "true");
|
|
} else {
|
|
openInCurrentTab.removeAttribute("forcehideintabbrowser");
|
|
}
|
|
}
|
|
var metadata = this._buildSelectionMetadata();
|
|
var ip = this._view.insertionPoint;
|
|
var noIp = !ip || ip.isTag;
|
|
|
|
var separator = null;
|
|
var visibleItemsBeforeSep = false;
|
|
var usableItemCount = 0;
|
|
for (var i = 0; i < aPopup.children.length; ++i) {
|
|
var item = aPopup.children[i];
|
|
if (item.getAttribute("ignoreitem") == "true") {
|
|
continue;
|
|
}
|
|
if (item.localName != "menuseparator") {
|
|
// We allow pasting into tag containers, so special case that.
|
|
var hideIfNoIP =
|
|
item.getAttribute("hideifnoinsertionpoint") == "true" &&
|
|
noIp &&
|
|
!(ip && ip.isTag && item.id == "placesContext_paste");
|
|
var hideIfInTabBrowser =
|
|
item.getAttribute("forcehideintabbrowser") == "true" &&
|
|
window.top.gBrowser;
|
|
var hideIfPrivate =
|
|
item.getAttribute("hideifprivatebrowsing") == "true" &&
|
|
PrivateBrowsingUtils.isWindowPrivate(window);
|
|
var shouldHideItem =
|
|
hideIfNoIP ||
|
|
hideIfInTabBrowser ||
|
|
hideIfPrivate ||
|
|
!this._shouldShowMenuItem(item, metadata);
|
|
item.hidden = item.disabled = shouldHideItem;
|
|
|
|
if (!item.hidden) {
|
|
visibleItemsBeforeSep = true;
|
|
usableItemCount++;
|
|
|
|
// Show the separator above the menu-item if any
|
|
if (separator) {
|
|
separator.hidden = false;
|
|
separator = null;
|
|
}
|
|
}
|
|
} else {
|
|
// menuseparator
|
|
// Initially hide it. It will be unhidden if there will be at least one
|
|
// visible menu-item above and below it.
|
|
item.hidden = true;
|
|
|
|
// We won't show the separator at all if no items are visible above it
|
|
if (visibleItemsBeforeSep) {
|
|
separator = item;
|
|
}
|
|
|
|
// New separator, count again:
|
|
visibleItemsBeforeSep = false;
|
|
}
|
|
}
|
|
|
|
// Set Open Folder/Links In Tabs items enabled state if they're visible
|
|
if (usableItemCount > 0) {
|
|
var openContainerInTabsItem = document.getElementById(
|
|
"placesContext_openContainer:tabs"
|
|
);
|
|
if (!openContainerInTabsItem.hidden) {
|
|
var containerToUse = this._view.selectedNode || this._view.result.root;
|
|
if (PlacesUtils.nodeIsContainer(containerToUse)) {
|
|
if (!PlacesUtils.hasChildURIs(containerToUse)) {
|
|
openContainerInTabsItem.disabled = true;
|
|
// Ensure that we don't display the menu if nothing is enabled:
|
|
usableItemCount--;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Make sure to display the correct string when multiple pages are selected.
|
|
let stringId = metadata.length === 1 ? "SinglePage" : "MultiplePages";
|
|
|
|
let deleteHistoryItem = document.getElementById(
|
|
"placesContext_delete_history"
|
|
);
|
|
deleteHistoryItem.label = PlacesUIUtils.getString(
|
|
`cmd.delete${stringId}.label`
|
|
);
|
|
deleteHistoryItem.accessKey = PlacesUIUtils.getString(
|
|
`cmd.delete${stringId}.accesskey`
|
|
);
|
|
|
|
let createBookmarkItem = document.getElementById(
|
|
"placesContext_createBookmark"
|
|
);
|
|
createBookmarkItem.label = PlacesUIUtils.getString(
|
|
`cmd.bookmark${stringId}.label`
|
|
);
|
|
createBookmarkItem.accessKey = PlacesUIUtils.getString(
|
|
`cmd.bookmark${stringId}.accesskey`
|
|
);
|
|
|
|
return usableItemCount > 0;
|
|
},
|
|
|
|
/**
|
|
* Select all links in the current view.
|
|
*/
|
|
selectAll: function PC_selectAll() {
|
|
this._view.selectAll();
|
|
},
|
|
|
|
/**
|
|
* Opens the bookmark properties for the selected URI Node.
|
|
*/
|
|
showBookmarkPropertiesForSelection() {
|
|
let node = this._view.selectedNode;
|
|
if (!node) {
|
|
return;
|
|
}
|
|
|
|
PlacesUIUtils.showBookmarkDialog(
|
|
{ action: "edit", node, hiddenRows: ["folderPicker"] },
|
|
window.top
|
|
);
|
|
},
|
|
|
|
/**
|
|
* Opens the links in the selected folder, or the selected links in new tabs.
|
|
*/
|
|
openSelectionInTabs: function PC_openLinksInTabs(aEvent) {
|
|
var node = this._view.selectedNode;
|
|
var nodes = this._view.selectedNodes;
|
|
// In the case of no selection, open the root node:
|
|
if (!node && !nodes.length) {
|
|
node = this._view.result.root;
|
|
}
|
|
PlacesUIUtils.openMultipleLinksInTabs(
|
|
node ? node : nodes,
|
|
aEvent,
|
|
this._view
|
|
);
|
|
},
|
|
|
|
/**
|
|
* Shows the Add Bookmark UI for the current insertion point.
|
|
*
|
|
* @param aType
|
|
* the type of the new item (bookmark/folder)
|
|
*/
|
|
async newItem(aType) {
|
|
let ip = this._view.insertionPoint;
|
|
if (!ip) {
|
|
throw Cr.NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
let bookmarkGuid = PlacesUIUtils.showBookmarkDialog(
|
|
{
|
|
action: "add",
|
|
type: aType,
|
|
defaultInsertionPoint: ip,
|
|
hiddenRows: ["folderPicker"],
|
|
},
|
|
window.top
|
|
);
|
|
if (bookmarkGuid) {
|
|
this._view.selectItems([bookmarkGuid], false);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Create a new Bookmark separator somewhere.
|
|
*/
|
|
async newSeparator() {
|
|
var ip = this._view.insertionPoint;
|
|
if (!ip) {
|
|
throw Cr.NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
let index = await ip.getIndex();
|
|
let txn = PlacesTransactions.NewSeparator({ parentGuid: ip.guid, index });
|
|
let guid = await txn.transact();
|
|
// Select the new item.
|
|
this._view.selectItems([guid], false);
|
|
},
|
|
|
|
/**
|
|
* Sort the selected folder by name
|
|
*/
|
|
async sortFolderByName() {
|
|
let guid = PlacesUtils.getConcreteItemGuid(this._view.selectedNode);
|
|
await PlacesTransactions.SortByName(guid).transact();
|
|
},
|
|
|
|
/**
|
|
* Walk the list of folders we're removing in this delete operation, and
|
|
* see if the selected node specified is already implicitly being removed
|
|
* because it is a child of that folder.
|
|
* @param node
|
|
* Node to check for containment.
|
|
* @param pastFolders
|
|
* List of folders the calling function has already traversed
|
|
* @return true if the node should be skipped, false otherwise.
|
|
*/
|
|
_shouldSkipNode: function PC_shouldSkipNode(node, pastFolders) {
|
|
/**
|
|
* Determines if a node is contained by another node within a resultset.
|
|
* @param node
|
|
* The node to check for containment for
|
|
* @param parent
|
|
* The parent container to check for containment in
|
|
* @return true if node is a member of parent's children, false otherwise.
|
|
*/
|
|
function isNodeContainedBy(parent) {
|
|
var cursor = node.parent;
|
|
while (cursor) {
|
|
if (cursor == parent) {
|
|
return true;
|
|
}
|
|
cursor = cursor.parent;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
for (var j = 0; j < pastFolders.length; ++j) {
|
|
if (isNodeContainedBy(pastFolders[j])) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
},
|
|
|
|
/**
|
|
* Creates a set of transactions for the removal of a range of items.
|
|
* A range is an array of adjacent nodes in a view.
|
|
* @param [in] range
|
|
* An array of nodes to remove. Should all be adjacent.
|
|
* @param [out] transactions
|
|
* An array of transactions.
|
|
* @param [optional] removedFolders
|
|
* An array of folder nodes that have already been removed.
|
|
* @return {Integer} The total number of items affected.
|
|
*/
|
|
async _removeRange(range, transactions, removedFolders) {
|
|
if (!(transactions instanceof Array)) {
|
|
throw new Error("Must pass a transactions array");
|
|
}
|
|
if (!removedFolders) {
|
|
removedFolders = [];
|
|
}
|
|
|
|
let bmGuidsToRemove = [];
|
|
let totalItems = 0;
|
|
|
|
for (var i = 0; i < range.length; ++i) {
|
|
var node = range[i];
|
|
if (this._shouldSkipNode(node, removedFolders)) {
|
|
continue;
|
|
}
|
|
|
|
totalItems++;
|
|
|
|
if (PlacesUtils.nodeIsTagQuery(node.parent)) {
|
|
// This is a uri node inside a tag container. It needs a special
|
|
// untag transaction.
|
|
let tag = node.parent.title || "";
|
|
if (!tag) {
|
|
// The parent may be the root node, that doesn't have a title.
|
|
tag = node.parent.query.tags[0];
|
|
}
|
|
transactions.push(PlacesTransactions.Untag({ urls: [node.uri], tag }));
|
|
} else if (
|
|
PlacesUtils.nodeIsTagQuery(node) &&
|
|
node.parent &&
|
|
PlacesUtils.nodeIsQuery(node.parent) &&
|
|
PlacesUtils.asQuery(node.parent).queryOptions.resultType ==
|
|
Ci.nsINavHistoryQueryOptions.RESULTS_AS_TAGS_ROOT
|
|
) {
|
|
// This is a tag container.
|
|
// Untag all URIs tagged with this tag only if the tag container is
|
|
// child of the "Tags" query in the library, in all other places we
|
|
// must only remove the query node.
|
|
let tag = node.title;
|
|
let urls = new Set();
|
|
await PlacesUtils.bookmarks.fetch({ tags: [tag] }, b =>
|
|
urls.add(b.url)
|
|
);
|
|
transactions.push(
|
|
PlacesTransactions.Untag({ tag, urls: Array.from(urls) })
|
|
);
|
|
} else if (
|
|
PlacesUtils.nodeIsURI(node) &&
|
|
PlacesUtils.nodeIsQuery(node.parent) &&
|
|
PlacesUtils.asQuery(node.parent).queryOptions.queryType ==
|
|
Ci.nsINavHistoryQueryOptions.QUERY_TYPE_HISTORY
|
|
) {
|
|
// This is a uri node inside an history query.
|
|
await PlacesUtils.history.remove(node.uri).catch(Cu.reportError);
|
|
// History deletes are not undoable, so we don't have a transaction.
|
|
} else if (
|
|
node.itemId == -1 &&
|
|
PlacesUtils.nodeIsQuery(node) &&
|
|
PlacesUtils.asQuery(node).queryOptions.queryType ==
|
|
Ci.nsINavHistoryQueryOptions.QUERY_TYPE_HISTORY
|
|
) {
|
|
// This is a dynamically generated history query, like queries
|
|
// grouped by site, time or both. Dynamically generated queries don't
|
|
// have an itemId even if they are descendants of a bookmark.
|
|
await this._removeHistoryContainer(node).catch(Cu.reportError);
|
|
// History deletes are not undoable, so we don't have a transaction.
|
|
} else {
|
|
// This is a common bookmark item.
|
|
if (PlacesUtils.nodeIsFolder(node)) {
|
|
// If this is a folder we add it to our array of folders, used
|
|
// to skip nodes that are children of an already removed folder.
|
|
removedFolders.push(node);
|
|
}
|
|
bmGuidsToRemove.push(node.bookmarkGuid);
|
|
}
|
|
}
|
|
if (bmGuidsToRemove.length) {
|
|
transactions.push(PlacesTransactions.Remove({ guids: bmGuidsToRemove }));
|
|
}
|
|
return totalItems;
|
|
},
|
|
|
|
async _removeRowsFromBookmarks() {
|
|
let ranges = this._view.removableSelectionRanges;
|
|
let transactions = [];
|
|
let removedFolders = [];
|
|
let totalItems = 0;
|
|
|
|
for (let range of ranges) {
|
|
totalItems += await this._removeRange(
|
|
range,
|
|
transactions,
|
|
removedFolders
|
|
);
|
|
}
|
|
|
|
if (transactions.length) {
|
|
await PlacesUIUtils.batchUpdatesForNode(
|
|
this._view.result,
|
|
totalItems,
|
|
async () => {
|
|
await PlacesTransactions.batch(transactions);
|
|
}
|
|
);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Removes the set of selected ranges from history, asynchronously.
|
|
*
|
|
* @note history deletes are not undoable.
|
|
*/
|
|
async _removeRowsFromHistory() {
|
|
let nodes = this._view.selectedNodes;
|
|
let URIs = new Set();
|
|
for (let i = 0; i < nodes.length; ++i) {
|
|
let node = nodes[i];
|
|
if (PlacesUtils.nodeIsURI(node)) {
|
|
URIs.add(node.uri);
|
|
} else if (
|
|
PlacesUtils.nodeIsQuery(node) &&
|
|
PlacesUtils.asQuery(node).queryOptions.queryType ==
|
|
Ci.nsINavHistoryQueryOptions.QUERY_TYPE_HISTORY
|
|
) {
|
|
await this._removeHistoryContainer(node).catch(Cu.reportError);
|
|
}
|
|
}
|
|
|
|
if (URIs.size) {
|
|
await PlacesUtils.history.remove([...URIs]);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Removes history visits for an history container node.
|
|
* @param [in] aContainerNode
|
|
* The container node to remove.
|
|
*
|
|
* @note history deletes are not undoable.
|
|
*/
|
|
async _removeHistoryContainer(aContainerNode) {
|
|
if (PlacesUtils.nodeIsHost(aContainerNode)) {
|
|
// This is a site container.
|
|
// Check if it's the container for local files (don't be fooled by the
|
|
// bogus string name, this is "(local files)").
|
|
let host =
|
|
"." +
|
|
(aContainerNode.title == PlacesUtils.getString("localhost")
|
|
? ""
|
|
: aContainerNode.title);
|
|
await PlacesUtils.history.removeByFilter({ host });
|
|
} else if (PlacesUtils.nodeIsDay(aContainerNode)) {
|
|
// This is a day container.
|
|
let query = aContainerNode.query;
|
|
let beginTime = query.beginTime;
|
|
let endTime = query.endTime;
|
|
if (!query || !beginTime || !endTime) {
|
|
throw new Error("A valid date container query should exist!");
|
|
}
|
|
// We want to exclude beginTime from the removal because
|
|
// removePagesByTimeframe includes both extremes, while date containers
|
|
// exclude the lower extreme. So, if we would not exclude it, we would
|
|
// end up removing more history than requested.
|
|
await PlacesUtils.history.removeByFilter({
|
|
beginDate: PlacesUtils.toDate(beginTime + 1000),
|
|
endDate: PlacesUtils.toDate(endTime),
|
|
});
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Removes the selection
|
|
*/
|
|
async remove() {
|
|
if (!this._hasRemovableSelection()) {
|
|
return;
|
|
}
|
|
|
|
var root = this._view.result.root;
|
|
|
|
if (PlacesUtils.nodeIsFolder(root)) {
|
|
await this._removeRowsFromBookmarks();
|
|
} else if (PlacesUtils.nodeIsQuery(root)) {
|
|
var queryType = PlacesUtils.asQuery(root).queryOptions.queryType;
|
|
if (queryType == Ci.nsINavHistoryQueryOptions.QUERY_TYPE_BOOKMARKS) {
|
|
await this._removeRowsFromBookmarks();
|
|
} else if (queryType == Ci.nsINavHistoryQueryOptions.QUERY_TYPE_HISTORY) {
|
|
await this._removeRowsFromHistory();
|
|
} else {
|
|
throw new Error("implement support for QUERY_TYPE_UNIFIED");
|
|
}
|
|
} else {
|
|
throw new Error("unexpected root");
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Fills a DataTransfer object with the content of the selection that can be
|
|
* dropped elsewhere.
|
|
* @param aEvent
|
|
* The dragstart event.
|
|
*/
|
|
setDataTransfer: function PC_setDataTransfer(aEvent) {
|
|
let dt = aEvent.dataTransfer;
|
|
|
|
let result = this._view.result;
|
|
let didSuppressNotifications = result.suppressNotifications;
|
|
if (!didSuppressNotifications) {
|
|
result.suppressNotifications = true;
|
|
}
|
|
|
|
function addData(type, index) {
|
|
let wrapNode = PlacesUtils.wrapNode(node, type);
|
|
dt.mozSetDataAt(type, wrapNode, index);
|
|
}
|
|
|
|
function addURIData(index) {
|
|
addData(PlacesUtils.TYPE_X_MOZ_URL, index);
|
|
addData(PlacesUtils.TYPE_UNICODE, index);
|
|
addData(PlacesUtils.TYPE_HTML, index);
|
|
}
|
|
|
|
try {
|
|
let nodes = this._view.draggableSelection;
|
|
for (let i = 0; i < nodes.length; ++i) {
|
|
var node = nodes[i];
|
|
|
|
// This order is _important_! It controls how this and other
|
|
// applications select data to be inserted based on type.
|
|
addData(PlacesUtils.TYPE_X_MOZ_PLACE, i);
|
|
if (node.uri) {
|
|
addURIData(i);
|
|
}
|
|
}
|
|
} finally {
|
|
if (!didSuppressNotifications) {
|
|
result.suppressNotifications = false;
|
|
}
|
|
}
|
|
},
|
|
|
|
get clipboardAction() {
|
|
let action = {};
|
|
let actionOwner;
|
|
try {
|
|
let xferable = Cc["@mozilla.org/widget/transferable;1"].createInstance(
|
|
Ci.nsITransferable
|
|
);
|
|
xferable.init(null);
|
|
xferable.addDataFlavor(PlacesUtils.TYPE_X_MOZ_PLACE_ACTION);
|
|
this.clipboard.getData(xferable, Ci.nsIClipboard.kGlobalClipboard);
|
|
xferable.getTransferData(PlacesUtils.TYPE_X_MOZ_PLACE_ACTION, action);
|
|
[action, actionOwner] = action.value
|
|
.QueryInterface(Ci.nsISupportsString)
|
|
.data.split(",");
|
|
} catch (ex) {
|
|
// Paste from external sources don't have any associated action, just
|
|
// fallback to a copy action.
|
|
return "copy";
|
|
}
|
|
// For cuts also check who inited the action, since cuts across different
|
|
// instances should instead be handled as copies (The sources are not
|
|
// available for this instance).
|
|
if (action == "cut" && actionOwner != this.profileName) {
|
|
action = "copy";
|
|
}
|
|
|
|
return action;
|
|
},
|
|
|
|
_releaseClipboardOwnership: function PC__releaseClipboardOwnership() {
|
|
if (this.cutNodes.length) {
|
|
// This clears the logical clipboard, doesn't remove data.
|
|
this.clipboard.emptyClipboard(Ci.nsIClipboard.kGlobalClipboard);
|
|
}
|
|
},
|
|
|
|
_clearClipboard: function PC__clearClipboard() {
|
|
let xferable = Cc["@mozilla.org/widget/transferable;1"].createInstance(
|
|
Ci.nsITransferable
|
|
);
|
|
xferable.init(null);
|
|
// Empty transferables may cause crashes, so just add an unknown type.
|
|
const TYPE = "text/x-moz-place-empty";
|
|
xferable.addDataFlavor(TYPE);
|
|
xferable.setTransferData(TYPE, PlacesUtils.toISupportsString(""), 0);
|
|
this.clipboard.setData(xferable, null, Ci.nsIClipboard.kGlobalClipboard);
|
|
},
|
|
|
|
_populateClipboard: function PC__populateClipboard(aNodes, aAction) {
|
|
// This order is _important_! It controls how this and other applications
|
|
// select data to be inserted based on type.
|
|
let contents = [
|
|
{ type: PlacesUtils.TYPE_X_MOZ_PLACE, entries: [] },
|
|
{ type: PlacesUtils.TYPE_X_MOZ_URL, entries: [] },
|
|
{ type: PlacesUtils.TYPE_HTML, entries: [] },
|
|
{ type: PlacesUtils.TYPE_UNICODE, entries: [] },
|
|
];
|
|
|
|
// Avoid handling descendants of a copied node, the transactions take care
|
|
// of them automatically.
|
|
let copiedFolders = [];
|
|
aNodes.forEach(function(node) {
|
|
if (this._shouldSkipNode(node, copiedFolders)) {
|
|
return;
|
|
}
|
|
if (PlacesUtils.nodeIsFolder(node)) {
|
|
copiedFolders.push(node);
|
|
}
|
|
|
|
contents.forEach(function(content) {
|
|
content.entries.push(PlacesUtils.wrapNode(node, content.type));
|
|
});
|
|
}, this);
|
|
|
|
function addData(type, data) {
|
|
xferable.addDataFlavor(type);
|
|
xferable.setTransferData(
|
|
type,
|
|
PlacesUtils.toISupportsString(data),
|
|
data.length * 2
|
|
);
|
|
}
|
|
|
|
let xferable = Cc["@mozilla.org/widget/transferable;1"].createInstance(
|
|
Ci.nsITransferable
|
|
);
|
|
xferable.init(null);
|
|
let hasData = false;
|
|
// This order matters here! It controls how this and other applications
|
|
// select data to be inserted based on type.
|
|
contents.forEach(function(content) {
|
|
if (content.entries.length) {
|
|
hasData = true;
|
|
let glue =
|
|
content.type == PlacesUtils.TYPE_X_MOZ_PLACE ? "," : PlacesUtils.endl;
|
|
addData(content.type, content.entries.join(glue));
|
|
}
|
|
});
|
|
|
|
// Track the exected action in the xferable. This must be the last flavor
|
|
// since it's the least preferred one.
|
|
// Enqueue a unique instance identifier to distinguish operations across
|
|
// concurrent instances of the application.
|
|
addData(
|
|
PlacesUtils.TYPE_X_MOZ_PLACE_ACTION,
|
|
aAction + "," + this.profileName
|
|
);
|
|
|
|
if (hasData) {
|
|
this.clipboard.setData(
|
|
xferable,
|
|
aAction == "cut" ? this : null,
|
|
Ci.nsIClipboard.kGlobalClipboard
|
|
);
|
|
}
|
|
},
|
|
|
|
_cutNodes: [],
|
|
get cutNodes() {
|
|
return this._cutNodes;
|
|
},
|
|
set cutNodes(aNodes) {
|
|
let self = this;
|
|
function updateCutNodes(aValue) {
|
|
self._cutNodes.forEach(function(aNode) {
|
|
self._view.toggleCutNode(aNode, aValue);
|
|
});
|
|
}
|
|
|
|
updateCutNodes(false);
|
|
this._cutNodes = aNodes;
|
|
updateCutNodes(true);
|
|
return aNodes;
|
|
},
|
|
|
|
/**
|
|
* Copy Bookmarks and Folders to the clipboard
|
|
*/
|
|
copy: function PC_copy() {
|
|
let result = this._view.result;
|
|
let didSuppressNotifications = result.suppressNotifications;
|
|
if (!didSuppressNotifications) {
|
|
result.suppressNotifications = true;
|
|
}
|
|
try {
|
|
this._populateClipboard(this._view.selectedNodes, "copy");
|
|
} finally {
|
|
if (!didSuppressNotifications) {
|
|
result.suppressNotifications = false;
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Cut Bookmarks and Folders to the clipboard
|
|
*/
|
|
cut: function PC_cut() {
|
|
let result = this._view.result;
|
|
let didSuppressNotifications = result.suppressNotifications;
|
|
if (!didSuppressNotifications) {
|
|
result.suppressNotifications = true;
|
|
}
|
|
try {
|
|
this._populateClipboard(this._view.selectedNodes, "cut");
|
|
this.cutNodes = this._view.selectedNodes;
|
|
} finally {
|
|
if (!didSuppressNotifications) {
|
|
result.suppressNotifications = false;
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Paste Bookmarks and Folders from the clipboard
|
|
*/
|
|
async paste() {
|
|
// No reason to proceed if there isn't a valid insertion point.
|
|
let ip = this._view.insertionPoint;
|
|
if (!ip) {
|
|
throw Cr.NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
let action = this.clipboardAction;
|
|
|
|
let xferable = Cc["@mozilla.org/widget/transferable;1"].createInstance(
|
|
Ci.nsITransferable
|
|
);
|
|
xferable.init(null);
|
|
// This order matters here! It controls the preferred flavors for this
|
|
// paste operation.
|
|
[
|
|
PlacesUtils.TYPE_X_MOZ_PLACE,
|
|
PlacesUtils.TYPE_X_MOZ_URL,
|
|
PlacesUtils.TYPE_UNICODE,
|
|
].forEach(type => xferable.addDataFlavor(type));
|
|
|
|
this.clipboard.getData(xferable, Ci.nsIClipboard.kGlobalClipboard);
|
|
|
|
// Now get the clipboard contents, in the best available flavor.
|
|
let data = {},
|
|
type = {},
|
|
items = [];
|
|
try {
|
|
xferable.getAnyTransferData(type, data);
|
|
data = data.value.QueryInterface(Ci.nsISupportsString).data;
|
|
type = type.value;
|
|
items = PlacesUtils.unwrapNodes(data, type);
|
|
} catch (ex) {
|
|
// No supported data exists or nodes unwrap failed, just bail out.
|
|
return;
|
|
}
|
|
|
|
let doCopy = action == "copy";
|
|
let itemsToSelect = await PlacesUIUtils.handleTransferItems(
|
|
items,
|
|
ip,
|
|
doCopy,
|
|
this._view
|
|
);
|
|
|
|
// Cut/past operations are not repeatable, so clear the clipboard.
|
|
if (action == "cut") {
|
|
this._clearClipboard();
|
|
}
|
|
|
|
if (itemsToSelect.length) {
|
|
this._view.selectItems(itemsToSelect, false);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Checks if we can insert into a container.
|
|
* @param container
|
|
* The container were we are want to drop
|
|
*/
|
|
disallowInsertion(container) {
|
|
if (!container) {
|
|
throw new Error("empty container");
|
|
}
|
|
// Allow dropping into Tag containers and editable folders.
|
|
return (
|
|
!PlacesUtils.nodeIsTagQuery(container) &&
|
|
(!PlacesUtils.nodeIsFolder(container) ||
|
|
PlacesUIUtils.isFolderReadOnly(container))
|
|
);
|
|
},
|
|
|
|
/**
|
|
* Determines if a node can be moved.
|
|
*
|
|
* @param aNode
|
|
* A nsINavHistoryResultNode node.
|
|
* @return True if the node can be moved, false otherwise.
|
|
*/
|
|
canMoveNode(node) {
|
|
// Only bookmark items are movable.
|
|
if (node.itemId == -1) {
|
|
return false;
|
|
}
|
|
|
|
// Once tags and bookmarked are divorced, the tag-query check should be
|
|
// removed.
|
|
let parentNode = node.parent;
|
|
if (!parentNode) {
|
|
return false;
|
|
}
|
|
|
|
// Once tags and bookmarked are divorced, the tag-query check should be
|
|
// removed.
|
|
if (PlacesUtils.nodeIsTagQuery(parentNode)) {
|
|
return false;
|
|
}
|
|
|
|
return (
|
|
(PlacesUtils.nodeIsFolder(parentNode) &&
|
|
!PlacesUIUtils.isFolderReadOnly(parentNode)) ||
|
|
PlacesUtils.nodeIsQuery(parentNode)
|
|
);
|
|
},
|
|
};
|
|
|
|
/**
|
|
* Handles drag and drop operations for views. Note that this is view agnostic!
|
|
* You should not use PlacesController._view within these methods, since
|
|
* the view that the item(s) have been dropped on was not necessarily active.
|
|
* Drop functions are passed the view that is being dropped on.
|
|
*/
|
|
var PlacesControllerDragHelper = {
|
|
/**
|
|
* DOM Element currently being dragged over
|
|
*/
|
|
currentDropTarget: null,
|
|
|
|
/**
|
|
* Determines if the mouse is currently being dragged over a child node of
|
|
* this menu. This is necessary so that the menu doesn't close while the
|
|
* mouse is dragging over one of its submenus
|
|
* @param node
|
|
* The container node
|
|
* @return true if the user is dragging over a node within the hierarchy of
|
|
* the container, false otherwise.
|
|
*/
|
|
draggingOverChildNode: function PCDH_draggingOverChildNode(node) {
|
|
let currentNode = this.currentDropTarget;
|
|
while (currentNode) {
|
|
if (currentNode == node) {
|
|
return true;
|
|
}
|
|
currentNode = currentNode.parentNode;
|
|
}
|
|
return false;
|
|
},
|
|
|
|
/**
|
|
* @return The current active drag session. Returns null if there is none.
|
|
*/
|
|
getSession: function PCDH__getSession() {
|
|
return this.dragService.getCurrentSession();
|
|
},
|
|
|
|
/**
|
|
* Extract the first accepted flavor from a list of flavors.
|
|
* @param aFlavors
|
|
* The flavors list of type DOMStringList.
|
|
*/
|
|
getFirstValidFlavor: function PCDH_getFirstValidFlavor(aFlavors) {
|
|
for (let i = 0; i < aFlavors.length; i++) {
|
|
if (PlacesUIUtils.SUPPORTED_FLAVORS.includes(aFlavors[i])) {
|
|
return aFlavors[i];
|
|
}
|
|
}
|
|
|
|
// If no supported flavor is found, check if data includes text/plain
|
|
// contents. If so, request them as text/unicode, a conversion will happen
|
|
// automatically.
|
|
if (aFlavors.contains("text/plain")) {
|
|
return PlacesUtils.TYPE_UNICODE;
|
|
}
|
|
|
|
return null;
|
|
},
|
|
|
|
/**
|
|
* Determines whether or not the data currently being dragged can be dropped
|
|
* on a places view.
|
|
* @param ip
|
|
* The insertion point where the items should be dropped.
|
|
*/
|
|
canDrop: function PCDH_canDrop(ip, dt) {
|
|
let dropCount = dt.mozItemCount;
|
|
|
|
// Check every dragged item.
|
|
for (let i = 0; i < dropCount; i++) {
|
|
let flavor = this.getFirstValidFlavor(dt.mozTypesAt(i));
|
|
if (!flavor) {
|
|
return false;
|
|
}
|
|
|
|
// Urls can be dropped on any insertionpoint.
|
|
// XXXmano: remember that this method is called for each dragover event!
|
|
// Thus we shouldn't use unwrapNodes here at all if possible.
|
|
// I think it would be OK to accept bogus data here (e.g. text which was
|
|
// somehow wrapped as TAB_DROP_TYPE, this is not in our control, and
|
|
// will just case the actual drop to be a no-op), and only rule out valid
|
|
// expected cases, which are either unsupported flavors, or items which
|
|
// cannot be dropped in the current insertionpoint. The last case will
|
|
// likely force us to use unwrapNodes for the private data types of
|
|
// places.
|
|
if (flavor == TAB_DROP_TYPE) {
|
|
continue;
|
|
}
|
|
|
|
let data = dt.mozGetDataAt(flavor, i);
|
|
let nodes;
|
|
try {
|
|
nodes = PlacesUtils.unwrapNodes(data, flavor);
|
|
} catch (e) {
|
|
return false;
|
|
}
|
|
|
|
for (let dragged of nodes) {
|
|
// Only bookmarks and urls can be dropped into tag containers.
|
|
if (
|
|
ip.isTag &&
|
|
dragged.type != PlacesUtils.TYPE_X_MOZ_URL &&
|
|
(dragged.type != PlacesUtils.TYPE_X_MOZ_PLACE ||
|
|
(dragged.uri && dragged.uri.startsWith("place:")))
|
|
) {
|
|
return false;
|
|
}
|
|
|
|
// The following loop disallows the dropping of a folder on itself or
|
|
// on any of its descendants.
|
|
if (
|
|
dragged.type == PlacesUtils.TYPE_X_MOZ_PLACE_CONTAINER ||
|
|
(dragged.uri && dragged.uri.startsWith("place:"))
|
|
) {
|
|
let parentId = ip.itemId;
|
|
while (parentId != PlacesUtils.placesRootId) {
|
|
if (dragged.concreteId == parentId || dragged.id == parentId) {
|
|
return false;
|
|
}
|
|
parentId = PlacesUtils.bookmarks.getFolderIdForItem(parentId);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
},
|
|
|
|
/**
|
|
* Handles the drop of one or more items onto a view.
|
|
*
|
|
* @param {Object} insertionPoint The insertion point where the items should
|
|
* be dropped.
|
|
* @param {Object} dt The dataTransfer information for the drop.
|
|
* @param {Object} view The view or the tree element. This allows
|
|
* batching to take place.
|
|
*/
|
|
async onDrop(insertionPoint, dt, view) {
|
|
let doCopy = ["copy", "link"].includes(dt.dropEffect);
|
|
|
|
let dropCount = dt.mozItemCount;
|
|
|
|
// Following flavors may contain duplicated data.
|
|
let duplicable = new Map();
|
|
duplicable.set(PlacesUtils.TYPE_UNICODE, new Set());
|
|
duplicable.set(PlacesUtils.TYPE_X_MOZ_URL, new Set());
|
|
|
|
// Collect all data from the DataTransfer before processing it, as the
|
|
// DataTransfer is only valid during the synchronous handling of the `drop`
|
|
// event handler callback.
|
|
let nodes = [];
|
|
for (let i = 0; i < dropCount; ++i) {
|
|
let flavor = this.getFirstValidFlavor(dt.mozTypesAt(i));
|
|
if (!flavor) {
|
|
return;
|
|
}
|
|
|
|
let data = dt.mozGetDataAt(flavor, i);
|
|
if (duplicable.has(flavor)) {
|
|
let handled = duplicable.get(flavor);
|
|
if (handled.has(data)) {
|
|
continue;
|
|
}
|
|
handled.add(data);
|
|
}
|
|
|
|
if (flavor != TAB_DROP_TYPE) {
|
|
nodes = [...nodes, ...PlacesUtils.unwrapNodes(data, flavor)];
|
|
} else if (
|
|
data instanceof XULElement &&
|
|
data.localName == "tab" &&
|
|
data.ownerGlobal.isChromeWindow
|
|
) {
|
|
let uri = data.linkedBrowser.currentURI;
|
|
let spec = uri ? uri.spec : "about:blank";
|
|
nodes.push({
|
|
uri: spec,
|
|
title: data.label,
|
|
type: PlacesUtils.TYPE_X_MOZ_URL,
|
|
});
|
|
} else {
|
|
throw new Error("bogus data was passed as a tab");
|
|
}
|
|
}
|
|
|
|
await PlacesUIUtils.handleTransferItems(
|
|
nodes,
|
|
insertionPoint,
|
|
doCopy,
|
|
view
|
|
);
|
|
},
|
|
};
|
|
|
|
XPCOMUtils.defineLazyServiceGetter(
|
|
PlacesControllerDragHelper,
|
|
"dragService",
|
|
"@mozilla.org/widget/dragservice;1",
|
|
"nsIDragService"
|
|
);
|