diff options
Diffstat (limited to 'application/palemoon/modules')
| -rw-r--r-- | application/palemoon/modules/AutoCompletePopup.jsm | 293 | ||||
| -rw-r--r-- | application/palemoon/modules/moz.build | 1 |
2 files changed, 294 insertions, 0 deletions
diff --git a/application/palemoon/modules/AutoCompletePopup.jsm b/application/palemoon/modules/AutoCompletePopup.jsm new file mode 100644 index 000000000..c3698f905 --- /dev/null +++ b/application/palemoon/modules/AutoCompletePopup.jsm @@ -0,0 +1,293 @@ +/* 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/. */ + +"use strict"; + +const Cc = Components.classes; +const Ci = Components.interfaces; +const Cu = Components.utils; + +this.EXPORTED_SYMBOLS = [ "AutoCompletePopup" ]; + +Cu.import("resource://gre/modules/XPCOMUtils.jsm"); +Cu.import("resource://gre/modules/Services.jsm"); + +// nsITreeView implementation that feeds the autocomplete popup +// with the search data. +var AutoCompleteTreeView = { + // nsISupports + QueryInterface: XPCOMUtils.generateQI([Ci.nsITreeView, + Ci.nsIAutoCompleteController]), + + // Private variables + treeBox: null, + results: [], + + // nsITreeView + selection: null, + + get rowCount() { return this.results.length; }, + setTree: function(treeBox) { this.treeBox = treeBox; }, + getCellText: function(idx, column) { return this.results[idx].value }, + isContainer: function(idx) { return false; }, + getCellValue: function(idx, column) { return false }, + isContainerOpen: function(idx) { return false; }, + isContainerEmpty: function(idx) { return false; }, + isSeparator: function(idx) { return false; }, + isSorted: function() { return false; }, + isEditable: function(idx, column) { return false; }, + canDrop: function(idx, orientation, dt) { return false; }, + getLevel: function(idx) { return 0; }, + getParentIndex: function(idx) { return -1; }, + hasNextSibling: function(idx, after) { return idx < this.results.length - 1 }, + toggleOpenState: function(idx) { }, + getCellProperties: function(idx, column) { return this.results[idx].style || ""; }, + getRowProperties: function(idx) { return ""; }, + getImageSrc: function(idx, column) { return null; }, + getProgressMode : function(idx, column) { }, + cycleHeader: function(column) { }, + cycleCell: function(idx, column) { }, + selectionChanged: function() { }, + performAction: function(action) { }, + performActionOnCell: function(action, index, column) { }, + getColumnProperties: function(column) { return ""; }, + + // nsIAutoCompleteController + get matchCount() { + return this.rowCount; + }, + + handleEnter: function(aIsPopupSelection) { + AutoCompletePopup.handleEnter(aIsPopupSelection); + }, + + stopSearch: function() {}, + + // Internal JS-only API + clearResults: function() { + this.results = []; + }, + + setResults: function(results) { + this.results = results; + }, +}; + +this.AutoCompletePopup = { + MESSAGES: [ + "FormAutoComplete:SelectBy", + "FormAutoComplete:GetSelectedIndex", + "FormAutoComplete:SetSelectedIndex", + "FormAutoComplete:MaybeOpenPopup", + "FormAutoComplete:ClosePopup", + "FormAutoComplete:Disconnect", + "FormAutoComplete:RemoveEntry", + "FormAutoComplete:Invalidate", + ], + + init: function() { + for (let msg of this.MESSAGES) { + Services.mm.addMessageListener(msg, this); + } + }, + + uninit: function() { + for (let msg of this.MESSAGES) { + Services.mm.removeMessageListener(msg, this); + } + }, + + handleEvent: function(evt) { + switch (evt.type) { + case "popupshowing": { + this.sendMessageToBrowser("FormAutoComplete:PopupOpened"); + break; + } + + case "popuphidden": { + this.sendMessageToBrowser("FormAutoComplete:PopupClosed"); + this.openedPopup = null; + this.weakBrowser = null; + evt.target.removeEventListener("popuphidden", this); + evt.target.removeEventListener("popupshowing", this); + break; + } + } + }, + + // Along with being called internally by the receiveMessage handler, + // this function is also called directly by the login manager, which + // uses a single message to fill in the autocomplete results. See + // "RemoteLogins:autoCompleteLogins". + showPopupWithResults: function({ browser, rect, dir, results }) { + if (!results.length || this.openedPopup) { + // We shouldn't ever be showing an empty popup, and if we + // already have a popup open, the old one needs to close before + // we consider opening a new one. + return; + } + + let window = browser.ownerDocument.defaultView; + let tabbrowser = window.gBrowser; + if (Services.focus.activeWindow != window || + tabbrowser.selectedBrowser != browser) { + // We were sent a message from a window or tab that went into the + // background, so we'll ignore it for now. + return; + } + + this.weakBrowser = Cu.getWeakReference(browser); + this.openedPopup = browser.autoCompletePopup; + this.openedPopup.hidden = false; + // don't allow the popup to become overly narrow + this.openedPopup.setAttribute("width", Math.max(100, rect.width)); + this.openedPopup.style.direction = dir; + + AutoCompleteTreeView.setResults(results); + this.openedPopup.view = AutoCompleteTreeView; + this.openedPopup.selectedIndex = -1; + this.openedPopup.invalidate(); + + if (results.length) { + // Reset fields that were set from the last time the search popup was open + this.openedPopup.mInput = null; + this.openedPopup.showCommentColumn = false; + this.openedPopup.showImageColumn = false; + this.openedPopup.addEventListener("popuphidden", this); + this.openedPopup.addEventListener("popupshowing", this); + this.openedPopup.openPopupAtScreenRect("after_start", rect.left, rect.top, + rect.width, rect.height, false, + false); + } else { + this.closePopup(); + } + }, + + invalidate(results) { + if (!this.openedPopup) { + return; + } + + if (!results.length) { + this.closePopup(); + } else { + AutoCompleteTreeView.setResults(results); + // We need to re-set the view in order for the + // tree to know the view has changed. + this.openedPopup.view = AutoCompleteTreeView; + this.openedPopup.invalidate(); + } + }, + + closePopup() { + if (this.openedPopup) { + // Note that hidePopup() closes the popup immediately, + // so popuphiding or popuphidden events will be fired + // and handled during this call. + this.openedPopup.hidePopup(); + } + AutoCompleteTreeView.clearResults(); + }, + + removeLogin(login) { + Services.logins.removeLogin(login); + }, + + receiveMessage: function(message) { + if (!message.target.autoCompletePopup) { + // Returning false to pacify ESLint, but this return value is + // ignored by the messaging infrastructure. + return false; + } + + switch (message.name) { + case "FormAutoComplete:SelectBy": { + this.openedPopup.selectBy(message.data.reverse, message.data.page); + break; + } + + case "FormAutoComplete:GetSelectedIndex": { + if (this.openedPopup) { + return this.openedPopup.selectedIndex; + } + // If the popup was closed, then the selection + // has not changed. + return -1; + } + + case "FormAutoComplete:SetSelectedIndex": { + let { index } = message.data; + if (this.openedPopup) { + this.openedPopup.selectedIndex = index; + } + break; + } + + case "FormAutoComplete:MaybeOpenPopup": { + let { results, rect, dir } = message.data; + this.showPopupWithResults({ browser: message.target, rect, dir, + results }); + break; + } + + case "FormAutoComplete:Invalidate": { + let { results } = message.data; + this.invalidate(results); + break; + } + + case "FormAutoComplete:ClosePopup": { + this.closePopup(); + break; + } + + case "FormAutoComplete:Disconnect": { + // The controller stopped controlling the current input, so clear + // any cached data. This is necessary cause otherwise we'd clear data + // only when starting a new search, but the next input could not support + // autocomplete and it would end up inheriting the existing data. + AutoCompleteTreeView.clearResults(); + break; + } + } + // Returning false to pacify ESLint, but this return value is + // ignored by the messaging infrastructure. + return false; + }, + + /** + * Despite its name, this handleEnter is only called when the user clicks on + * one of the items in the popup since the popup is rendered in the parent process. + * The real controller's handleEnter is called directly in the content process + * for other methods of completing a selection (e.g. using the tab or enter + * keys) since the field with focus is in that process. + */ + handleEnter(aIsPopupSelection) { + if (this.openedPopup) { + this.sendMessageToBrowser("FormAutoComplete:HandleEnter", { + selectedIndex: this.openedPopup.selectedIndex, + isPopupSelection: aIsPopupSelection, + }); + } + }, + + /** + * If a browser exists that AutoCompletePopup knows about, + * sends it a message. Otherwise, this is a no-op. + * + * @param {string} msgName + * The name of the message to send. + * @param {object} data + * The optional data to send with the message. + */ + sendMessageToBrowser(msgName, data) { + let browser = this.weakBrowser ? this.weakBrowser.get() + : null; + if (browser) { + browser.messageManager.sendAsyncMessage(msgName, data); + } + }, + + stopSearch: function() {} +} diff --git a/application/palemoon/modules/moz.build b/application/palemoon/modules/moz.build index f7717ef89..67fd22338 100644 --- a/application/palemoon/modules/moz.build +++ b/application/palemoon/modules/moz.build @@ -9,6 +9,7 @@ EXTRA_JS_MODULES += [ 'promise.js' ] EXTRA_JS_MODULES += [ + 'AutoCompletePopup.jsm', 'BrowserNewTabPreloader.jsm', 'CharsetMenu.jsm', 'FormSubmitObserver.jsm', |