toolkit/modules/SelectParentHelper.jsm@b8a032363ba2 (annotated)
toolkit/modules/SelectParentHelper.jsm
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 3 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 4 | |
| michael@0 | 5 | "use strict"; |
| michael@0 | 6 | |
| michael@0 | 7 | this.EXPORTED_SYMBOLS = [ |
| michael@0 | 8 | "SelectParentHelper" |
| michael@0 | 9 | ]; |
| michael@0 | 10 | |
| michael@0 | 11 | let currentBrowser = null; |
| michael@0 | 12 | |
| michael@0 | 13 | this.SelectParentHelper = { |
| michael@0 | 14 | populate: function(popup, items, selectedIndex) { |
| michael@0 | 15 | // Clear the current contents of the popup |
| michael@0 | 16 | popup.textContent = ""; |
| michael@0 | 17 | populateChildren(popup, items, selectedIndex); |
| michael@0 | 18 | }, |
| michael@0 | 19 | |
| michael@0 | 20 | open: function(browser, popup, rect) { |
| michael@0 | 21 | currentBrowser = browser; |
| michael@0 | 22 | this._registerListeners(popup); |
| michael@0 | 23 | popup.hidden = false; |
| michael@0 | 24 | |
| michael@0 | 25 | let {x, y} = browser.mapScreenCoordinatesFromContent(rect.left, rect.top + rect.height); |
| michael@0 | 26 | popup.openPopupAtScreen(x, y); |
| michael@0 | 27 | }, |
| michael@0 | 28 | |
| michael@0 | 29 | hide: function(popup) { |
| michael@0 | 30 | popup.hidePopup(); |
| michael@0 | 31 | }, |
| michael@0 | 32 | |
| michael@0 | 33 | handleEvent: function(event) { |
| michael@0 | 34 | let popup = event.currentTarget; |
| michael@0 | 35 | |
| michael@0 | 36 | switch (event.type) { |
| michael@0 | 37 | case "command": |
| michael@0 | 38 | if (event.target.hasAttribute("value")) { |
| michael@0 | 39 | currentBrowser.messageManager.sendAsyncMessage("Forms:SelectDropDownItem", { |
| michael@0 | 40 | value: event.target.value |
| michael@0 | 41 | }); |
| michael@0 | 42 | } |
| michael@0 | 43 | popup.hidePopup(); |
| michael@0 | 44 | break; |
| michael@0 | 45 | |
| michael@0 | 46 | case "popuphidden": |
| michael@0 | 47 | currentBrowser.messageManager.sendAsyncMessage("Forms:DismissedDropDown", {}); |
| michael@0 | 48 | currentBrowser = null; |
| michael@0 | 49 | this._unregisterListeners(popup); |
| michael@0 | 50 | break; |
| michael@0 | 51 | } |
| michael@0 | 52 | }, |
| michael@0 | 53 | |
| michael@0 | 54 | _registerListeners: function(popup) { |
| michael@0 | 55 | popup.addEventListener("command", this); |
| michael@0 | 56 | popup.addEventListener("popuphidden", this); |
| michael@0 | 57 | }, |
| michael@0 | 58 | |
| michael@0 | 59 | _unregisterListeners: function(popup) { |
| michael@0 | 60 | popup.removeEventListener("command", this); |
| michael@0 | 61 | popup.removeEventListener("popuphidden", this); |
| michael@0 | 62 | }, |
| michael@0 | 63 | |
| michael@0 | 64 | }; |
| michael@0 | 65 | |
| michael@0 | 66 | function populateChildren(element, options, selectedIndex, startIndex = 0, isGroup = false) { |
| michael@0 | 67 | let index = startIndex; |
| michael@0 | 68 | |
| michael@0 | 69 | for (let option of options) { |
| michael@0 | 70 | let item = element.ownerDocument.createElement("menuitem"); |
| michael@0 | 71 | item.setAttribute("label", option.textContent); |
| michael@0 | 72 | item.setAttribute("type", "radio"); |
| michael@0 | 73 | |
| michael@0 | 74 | if (index == selectedIndex) { |
| michael@0 | 75 | item.setAttribute("checked", "true"); |
| michael@0 | 76 | } |
| michael@0 | 77 | |
| michael@0 | 78 | element.appendChild(item); |
| michael@0 | 79 | |
| michael@0 | 80 | if (option.children.length > 0) { |
| michael@0 | 81 | item.classList.add("contentSelectDropdown-optgroup"); |
| michael@0 | 82 | item.setAttribute("disabled", "true"); |
| michael@0 | 83 | index = populateChildren(element, option.children, selectedIndex, index, true); |
| michael@0 | 84 | } else { |
| michael@0 | 85 | item.setAttribute("value", index++); |
| michael@0 | 86 | |
| michael@0 | 87 | if (isGroup) { |
| michael@0 | 88 | item.classList.add("contentSelectDropdown-ingroup") |
| michael@0 | 89 | } |
| michael@0 | 90 | } |
| michael@0 | 91 | } |
| michael@0 | 92 | |
| michael@0 | 93 | return index; |
| michael@0 | 94 | } |
