diff options
Diffstat (limited to 'application/palemoon/modules/PageMenu.jsm')
| -rw-r--r-- | application/palemoon/modules/PageMenu.jsm | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/application/palemoon/modules/PageMenu.jsm b/application/palemoon/modules/PageMenu.jsm deleted file mode 100644 index d01f62601..000000000 --- a/application/palemoon/modules/PageMenu.jsm +++ /dev/null @@ -1,238 +0,0 @@ -/* 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/. */ - -this.EXPORTED_SYMBOLS = ["PageMenu"]; - -this.PageMenu = function PageMenu() { -} - -PageMenu.prototype = { - PAGEMENU_ATTR: "pagemenu", - GENERATEDITEMID_ATTR: "generateditemid", - - _popup: null, - _builder: null, - - // Given a target node, get the context menu for it or its ancestor. - getContextMenu: function(aTarget) { - let target = aTarget; - while (target) { - let contextMenu = target.contextMenu; - if (contextMenu) { - return contextMenu; - } - target = target.parentNode; - } - - return null; - }, - - // Given a target node, generate a JSON object for any context menu - // associated with it, or null if there is no context menu. - maybeBuild: function(aTarget) { - let pageMenu = this.getContextMenu(aTarget); - if (!pageMenu) { - return null; - } - - pageMenu.QueryInterface(Components.interfaces.nsIHTMLMenu); - pageMenu.sendShowEvent(); - // the show event is not cancelable, so no need to check a result here - - this._builder = pageMenu.createBuilder(); - if (!this._builder) { - return null; - } - - pageMenu.build(this._builder); - - // This serializes then parses again, however this could be avoided in - // the single-process case with further improvement. - let menuString = this._builder.toJSONString(); - if (!menuString) { - return null; - } - - return JSON.parse(menuString); - }, - - // Given a JSON menu object and popup, add the context menu to the popup. - buildAndAttachMenuWithObject: function(aMenu, aBrowser, aPopup) { - if (!aMenu) { - return false; - } - - let insertionPoint = this.getInsertionPoint(aPopup); - if (!insertionPoint) { - return false; - } - - let fragment = aPopup.ownerDocument.createDocumentFragment(); - this.buildXULMenu(aMenu, fragment); - - let pos = insertionPoint.getAttribute(this.PAGEMENU_ATTR); - if (pos == "start") { - insertionPoint.insertBefore(fragment, - insertionPoint.firstChild); - } else if (pos.startsWith("#")) { - insertionPoint.insertBefore(fragment, insertionPoint.querySelector(pos)); - } else { - insertionPoint.appendChild(fragment); - } - - this._popup = aPopup; - - this._popup.addEventListener("command", this); - this._popup.addEventListener("popuphidden", this); - - return true; - }, - - // Construct the XUL menu structure for a given JSON object. - buildXULMenu: function(aNode, aElementForAppending) { - let document = aElementForAppending.ownerDocument; - - let children = aNode.children; - for (let child of children) { - let menuitem; - switch (child.type) { - case "menuitem": - if (!child.id) { - continue; // Ignore children without ids - } - - menuitem = document.createElement("menuitem"); - if (child.checkbox) { - menuitem.setAttribute("type", "checkbox"); - if (child.checked) { - menuitem.setAttribute("checked", "true"); - } - } - - if (child.label) { - menuitem.setAttribute("label", child.label); - } - if (child.icon) { - menuitem.setAttribute("image", child.icon); - menuitem.className = "menuitem-iconic"; - } - if (child.disabled) { - menuitem.setAttribute("disabled", true); - } - - break; - - case "separator": - menuitem = document.createElement("menuseparator"); - break; - - case "menu": - menuitem = document.createElement("menu"); - if (child.label) { - menuitem.setAttribute("label", child.label); - } - - let menupopup = document.createElement("menupopup"); - menuitem.appendChild(menupopup); - - this.buildXULMenu(child, menupopup); - break; - } - - menuitem.setAttribute(this.GENERATEDITEMID_ATTR, child.id ? child.id : 0); - aElementForAppending.appendChild(menuitem); - } - }, - - // Called when the generated menuitem is executed. - handleEvent: function(event) { - let type = event.type; - let target = event.target; - if (type == "command" && target.hasAttribute(this.GENERATEDITEMID_ATTR)) { - // If a builder is assigned, call click on it directly. Otherwise, this is - // likely a menu with data from another process, so send a message to the - // browser to execute the menuitem. - if (this._builder) { - this._builder.click(target.getAttribute(this.GENERATEDITEMID_ATTR)); - } - } else if (type == "popuphidden" && this._popup == target) { - this.removeGeneratedContent(this._popup); - - this._popup.removeEventListener("popuphidden", this); - this._popup.removeEventListener("command", this); - - this._popup = null; - this._builder = null; - } - }, - - // Get the first child of the given element with the given tag name. - getImmediateChild: function(element, tag) { - let child = element.firstChild; - while (child) { - if (child.localName == tag) { - return child; - } - child = child.nextSibling; - } - return null; - }, - - // Return the location where the generated items should be inserted into the - // given popup. They should be inserted as the next sibling of the returned - // element. - getInsertionPoint: function(aPopup) { - if (aPopup.hasAttribute(this.PAGEMENU_ATTR)) - return aPopup; - - let element = aPopup.firstChild; - while (element) { - if (element.localName == "menu") { - let popup = this.getImmediateChild(element, "menupopup"); - if (popup) { - let result = this.getInsertionPoint(popup); - if (result) { - return result; - } - } - } - element = element.nextSibling; - } - - return null; - }, - - // Returns true if custom menu items were present. - maybeBuildAndAttachMenu: function(aTarget, aPopup) { - let menuObject = this.maybeBuild(aTarget); - if (!menuObject) { - return false; - } - - return this.buildAndAttachMenuWithObject(menuObject, null, aPopup); - }, - - // Remove the generated content from the given popup. - removeGeneratedContent: function(aPopup) { - let ungenerated = []; - ungenerated.push(aPopup); - - let count; - while (0 != (count = ungenerated.length)) { - let last = count - 1; - let element = ungenerated[last]; - ungenerated.splice(last, 1); - - let i = element.childNodes.length; - while (i-- > 0) { - let child = element.childNodes[i]; - if (!child.hasAttribute(this.GENERATEDITEMID_ATTR)) { - ungenerated.push(child); - continue; - } - element.removeChild(child); - } - } - } -} |