forked from mirrors/gecko-dev
243d52f0c3
MozReview-Commit-ID: B0QQLEn3yS --HG-- rename : toolkit/components/satchel/AutoCompleteE10S.jsm => toolkit/components/satchel/AutoCompletePopup.jsm extra : rebase_source : 6f7c5db24f5beb841cc67deb69ba88782a88c2f6
1511 lines
51 KiB
JavaScript
1511 lines
51 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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var Cc = Components.classes;
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var Ci = Components.interfaces;
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var Cu = Components.utils;
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var Cr = Components.results;
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Cu.import("resource://gre/modules/Services.jsm");
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "ReaderMode",
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"resource://gre/modules/ReaderMode.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "BrowserUtils",
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"resource://gre/modules/BrowserUtils.jsm");
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var global = this;
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// Lazily load the finder code
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addMessageListener("Finder:Initialize", function () {
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let {RemoteFinderListener} = Cu.import("resource://gre/modules/RemoteFinder.jsm", {});
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new RemoteFinderListener(global);
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});
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var ClickEventHandler = {
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init: function init() {
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this._scrollable = null;
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this._scrolldir = "";
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this._startX = null;
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this._startY = null;
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this._screenX = null;
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this._screenY = null;
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this._lastFrame = null;
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this.autoscrollLoop = this.autoscrollLoop.bind(this);
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Services.els.addSystemEventListener(global, "mousedown", this, true);
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addMessageListener("Autoscroll:Stop", this);
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},
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isAutoscrollBlocker: function(node) {
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let mmPaste = Services.prefs.getBoolPref("middlemouse.paste");
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let mmScrollbarPosition = Services.prefs.getBoolPref("middlemouse.scrollbarPosition");
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while (node) {
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if ((node instanceof content.HTMLAnchorElement || node instanceof content.HTMLAreaElement) &&
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node.hasAttribute("href")) {
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return true;
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}
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if (mmPaste && (node instanceof content.HTMLInputElement ||
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node instanceof content.HTMLTextAreaElement)) {
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return true;
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}
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if (node instanceof content.XULElement && mmScrollbarPosition
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&& (node.localName == "scrollbar" || node.localName == "scrollcorner")) {
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return true;
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}
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node = node.parentNode;
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}
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return false;
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},
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findNearestScrollableElement: function(aNode) {
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// this is a list of overflow property values that allow scrolling
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const scrollingAllowed = ['scroll', 'auto'];
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// go upward in the DOM and find any parent element that has a overflow
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// area and can therefore be scrolled
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for (this._scrollable = aNode; this._scrollable;
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this._scrollable = this._scrollable.parentNode) {
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// do not use overflow based autoscroll for <html> and <body>
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// Elements or non-html elements such as svg or Document nodes
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// also make sure to skip select elements that are not multiline
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if (!(this._scrollable instanceof content.HTMLElement) ||
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((this._scrollable instanceof content.HTMLSelectElement) && !this._scrollable.multiple)) {
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continue;
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}
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var overflowx = this._scrollable.ownerDocument.defaultView
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.getComputedStyle(this._scrollable, '')
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.getPropertyValue('overflow-x');
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var overflowy = this._scrollable.ownerDocument.defaultView
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.getComputedStyle(this._scrollable, '')
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.getPropertyValue('overflow-y');
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// we already discarded non-multiline selects so allow vertical
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// scroll for multiline ones directly without checking for a
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// overflow property
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var scrollVert = this._scrollable.scrollTopMax &&
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(this._scrollable instanceof content.HTMLSelectElement ||
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scrollingAllowed.indexOf(overflowy) >= 0);
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// do not allow horizontal scrolling for select elements, it leads
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// to visual artifacts and is not the expected behavior anyway
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if (!(this._scrollable instanceof content.HTMLSelectElement) &&
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this._scrollable.scrollLeftMin != this._scrollable.scrollLeftMax &&
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scrollingAllowed.indexOf(overflowx) >= 0) {
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this._scrolldir = scrollVert ? "NSEW" : "EW";
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break;
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} else if (scrollVert) {
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this._scrolldir = "NS";
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break;
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}
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}
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if (!this._scrollable) {
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this._scrollable = aNode.ownerDocument.defaultView;
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if (this._scrollable.scrollMaxX != this._scrollable.scrollMinX) {
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this._scrolldir = this._scrollable.scrollMaxY !=
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this._scrollable.scrollMinY ? "NSEW" : "EW";
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} else if (this._scrollable.scrollMaxY != this._scrollable.scrollMinY) {
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this._scrolldir = "NS";
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} else if (this._scrollable.frameElement) {
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this.findNearestScrollableElement(this._scrollable.frameElement);
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} else {
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this._scrollable = null; // abort scrolling
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}
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}
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},
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startScroll: function(event) {
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this.findNearestScrollableElement(event.originalTarget);
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if (!this._scrollable)
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return;
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let [enabled] = sendSyncMessage("Autoscroll:Start",
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{scrolldir: this._scrolldir,
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screenX: event.screenX,
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screenY: event.screenY});
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if (!enabled) {
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this._scrollable = null;
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return;
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}
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Services.els.addSystemEventListener(global, "mousemove", this, true);
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addEventListener("pagehide", this, true);
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this._ignoreMouseEvents = true;
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this._startX = event.screenX;
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this._startY = event.screenY;
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this._screenX = event.screenX;
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this._screenY = event.screenY;
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this._scrollErrorX = 0;
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this._scrollErrorY = 0;
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this._lastFrame = content.performance.now();
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content.requestAnimationFrame(this.autoscrollLoop);
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},
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stopScroll: function() {
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if (this._scrollable) {
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this._scrollable.mozScrollSnap();
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this._scrollable = null;
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Services.els.removeSystemEventListener(global, "mousemove", this, true);
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removeEventListener("pagehide", this, true);
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}
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},
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accelerate: function(curr, start) {
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const speed = 12;
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var val = (curr - start) / speed;
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if (val > 1)
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return val * Math.sqrt(val) - 1;
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if (val < -1)
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return val * Math.sqrt(-val) + 1;
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return 0;
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},
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roundToZero: function(num) {
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if (num > 0)
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return Math.floor(num);
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return Math.ceil(num);
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},
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autoscrollLoop: function(timestamp) {
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if (!this._scrollable) {
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// Scrolling has been canceled
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return;
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}
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// avoid long jumps when the browser hangs for more than
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// |maxTimeDelta| ms
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const maxTimeDelta = 100;
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var timeDelta = Math.min(maxTimeDelta, timestamp - this._lastFrame);
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// we used to scroll |accelerate()| pixels every 20ms (50fps)
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var timeCompensation = timeDelta / 20;
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this._lastFrame = timestamp;
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var actualScrollX = 0;
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var actualScrollY = 0;
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// don't bother scrolling vertically when the scrolldir is only horizontal
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// and the other way around
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if (this._scrolldir != 'EW') {
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var y = this.accelerate(this._screenY, this._startY) * timeCompensation;
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var desiredScrollY = this._scrollErrorY + y;
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actualScrollY = this.roundToZero(desiredScrollY);
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this._scrollErrorY = (desiredScrollY - actualScrollY);
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}
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if (this._scrolldir != 'NS') {
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var x = this.accelerate(this._screenX, this._startX) * timeCompensation;
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var desiredScrollX = this._scrollErrorX + x;
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actualScrollX = this.roundToZero(desiredScrollX);
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this._scrollErrorX = (desiredScrollX - actualScrollX);
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}
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const kAutoscroll = 15; // defined in mozilla/layers/ScrollInputMethods.h
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Services.telemetry.getHistogramById("SCROLL_INPUT_METHODS").add(kAutoscroll);
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if (this._scrollable instanceof content.Window) {
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this._scrollable.scrollBy(actualScrollX, actualScrollY);
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} else { // an element with overflow
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this._scrollable.scrollLeft += actualScrollX;
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this._scrollable.scrollTop += actualScrollY;
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}
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content.requestAnimationFrame(this.autoscrollLoop);
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},
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handleEvent: function(event) {
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if (event.type == "mousemove") {
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this._screenX = event.screenX;
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this._screenY = event.screenY;
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} else if (event.type == "mousedown") {
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if (event.isTrusted &
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!event.defaultPrevented &&
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event.button == 1 &&
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!this._scrollable &&
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!this.isAutoscrollBlocker(event.originalTarget)) {
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this.startScroll(event);
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}
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} else if (event.type == "pagehide") {
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if (this._scrollable) {
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var doc =
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this._scrollable.ownerDocument || this._scrollable.document;
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if (doc == event.target) {
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sendAsyncMessage("Autoscroll:Cancel");
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}
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}
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}
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},
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receiveMessage: function(msg) {
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switch (msg.name) {
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case "Autoscroll:Stop": {
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this.stopScroll();
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break;
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}
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}
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},
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};
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ClickEventHandler.init();
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var PopupBlocking = {
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popupData: null,
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popupDataInternal: null,
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init: function() {
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addEventListener("DOMPopupBlocked", this, true);
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addEventListener("pageshow", this, true);
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addEventListener("pagehide", this, true);
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addMessageListener("PopupBlocking:UnblockPopup", this);
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addMessageListener("PopupBlocking:GetBlockedPopupList", this);
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},
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receiveMessage: function(msg) {
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switch (msg.name) {
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case "PopupBlocking:UnblockPopup": {
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let i = msg.data.index;
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if (this.popupData && this.popupData[i]) {
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let data = this.popupData[i];
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let internals = this.popupDataInternal[i];
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let dwi = internals.requestingWindow;
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// If we have a requesting window and the requesting document is
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// still the current document, open the popup.
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if (dwi && dwi.document == internals.requestingDocument) {
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dwi.open(data.popupWindowURIspec, data.popupWindowName, data.popupWindowFeatures);
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}
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}
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break;
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}
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case "PopupBlocking:GetBlockedPopupList": {
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let popupData = [];
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let length = this.popupData ? this.popupData.length : 0;
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// Limit 15 popup URLs to be reported through the UI
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length = Math.min(length, 15);
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for (let i = 0; i < length; i++) {
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let popupWindowURIspec = this.popupData[i].popupWindowURIspec;
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if (popupWindowURIspec == global.content.location.href) {
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popupWindowURIspec = "<self>";
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} else {
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// Limit 500 chars to be sent because the URI will be cropped
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// by the UI anyway, and data: URIs can be significantly larger.
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popupWindowURIspec = popupWindowURIspec.substring(0, 500)
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}
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popupData.push({popupWindowURIspec});
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}
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sendAsyncMessage("PopupBlocking:ReplyGetBlockedPopupList", {popupData});
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break;
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}
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}
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},
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handleEvent: function(ev) {
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switch (ev.type) {
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case "DOMPopupBlocked":
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return this.onPopupBlocked(ev);
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case "pageshow":
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return this.onPageShow(ev);
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case "pagehide":
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return this.onPageHide(ev);
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}
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return undefined;
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},
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onPopupBlocked: function(ev) {
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if (!this.popupData) {
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this.popupData = new Array();
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this.popupDataInternal = new Array();
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}
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let obj = {
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popupWindowURIspec: ev.popupWindowURI ? ev.popupWindowURI.spec : "about:blank",
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popupWindowFeatures: ev.popupWindowFeatures,
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popupWindowName: ev.popupWindowName
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};
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let internals = {
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requestingWindow: ev.requestingWindow,
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requestingDocument: ev.requestingWindow.document,
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};
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this.popupData.push(obj);
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this.popupDataInternal.push(internals);
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this.updateBlockedPopups(true);
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},
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onPageShow: function(ev) {
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if (this.popupData) {
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let i = 0;
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while (i < this.popupData.length) {
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// Filter out irrelevant reports.
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if (this.popupDataInternal[i].requestingWindow &&
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(this.popupDataInternal[i].requestingWindow.document ==
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this.popupDataInternal[i].requestingDocument)) {
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i++;
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} else {
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this.popupData.splice(i, 1);
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this.popupDataInternal.splice(i, 1);
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}
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}
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if (this.popupData.length == 0) {
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this.popupData = null;
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this.popupDataInternal = null;
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}
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this.updateBlockedPopups(false);
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}
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},
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onPageHide: function(ev) {
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if (this.popupData) {
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this.popupData = null;
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this.popupDataInternal = null;
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this.updateBlockedPopups(false);
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}
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},
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updateBlockedPopups: function(freshPopup) {
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sendAsyncMessage("PopupBlocking:UpdateBlockedPopups",
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{
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count: this.popupData ? this.popupData.length : 0,
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freshPopup
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});
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},
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};
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PopupBlocking.init();
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XPCOMUtils.defineLazyGetter(this, "console", () => {
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// Set up console.* for frame scripts.
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let Console = Components.utils.import("resource://gre/modules/Console.jsm", {});
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return new Console.ConsoleAPI();
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});
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var Printing = {
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// Bug 1088061: nsPrintEngine's DoCommonPrint currently expects the
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// progress listener passed to it to QI to an nsIPrintingPromptService
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// in order to know that a printing progress dialog has been shown. That's
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// really all the interface is used for, hence the fact that I don't actually
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// implement the interface here. Bug 1088061 has been filed to remove
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// this hackery.
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIWebProgressListener,
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Ci.nsIPrintingPromptService]),
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MESSAGES: [
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"Printing:Preview:Enter",
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"Printing:Preview:Exit",
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"Printing:Preview:Navigate",
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"Printing:Preview:ParseDocument",
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"Printing:Preview:UpdatePageCount",
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"Printing:Print",
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],
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init() {
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this.MESSAGES.forEach(msgName => addMessageListener(msgName, this));
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addEventListener("PrintingError", this, true);
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},
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get shouldSavePrintSettings() {
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return Services.prefs.getBoolPref("print.use_global_printsettings", false) &&
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Services.prefs.getBoolPref("print.save_print_settings", false);
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},
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handleEvent(event) {
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if (event.type == "PrintingError") {
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let win = event.target.defaultView;
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let wbp = win.QueryInterface(Ci.nsIInterfaceRequestor)
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.getInterface(Ci.nsIWebBrowserPrint);
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let nsresult = event.detail;
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sendAsyncMessage("Printing:Error", {
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isPrinting: wbp.doingPrint,
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nsresult: nsresult,
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});
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}
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},
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receiveMessage(message) {
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let objects = message.objects;
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let data = message.data;
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switch (message.name) {
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case "Printing:Preview:Enter": {
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this.enterPrintPreview(Services.wm.getOuterWindowWithId(data.windowID), data.simplifiedMode);
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break;
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}
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case "Printing:Preview:Exit": {
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this.exitPrintPreview();
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break;
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}
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case "Printing:Preview:Navigate": {
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this.navigate(data.navType, data.pageNum);
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break;
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}
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case "Printing:Preview:ParseDocument": {
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this.parseDocument(data.URL, Services.wm.getOuterWindowWithId(data.windowID));
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break;
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}
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case "Printing:Preview:UpdatePageCount": {
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this.updatePageCount();
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break;
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}
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case "Printing:Print": {
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this.print(Services.wm.getOuterWindowWithId(data.windowID), data.simplifiedMode);
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break;
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}
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}
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},
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getPrintSettings() {
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try {
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let PSSVC = Cc["@mozilla.org/gfx/printsettings-service;1"]
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.getService(Ci.nsIPrintSettingsService);
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let printSettings = PSSVC.globalPrintSettings;
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if (!printSettings.printerName) {
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printSettings.printerName = PSSVC.defaultPrinterName;
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}
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// First get any defaults from the printer
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PSSVC.initPrintSettingsFromPrinter(printSettings.printerName,
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printSettings);
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// now augment them with any values from last time
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PSSVC.initPrintSettingsFromPrefs(printSettings, true,
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printSettings.kInitSaveAll);
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return printSettings;
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} catch (e) {
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Components.utils.reportError(e);
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}
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return null;
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},
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parseDocument(URL, contentWindow) {
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// By using ReaderMode primitives, we parse given document and place the
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// resulting JS object into the DOM of current browser.
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let articlePromise = ReaderMode.parseDocument(contentWindow.document).catch(Cu.reportError);
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articlePromise.then(function (article) {
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content.document.head.innerHTML = "";
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// Set title of document
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content.document.title = article.title;
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// Set base URI of document. Print preview code will read this value to
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// populate the URL field in print settings so that it doesn't show
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// "about:blank" as its URI.
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let headBaseElement = content.document.createElement("base");
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headBaseElement.setAttribute("href", URL);
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content.document.head.appendChild(headBaseElement);
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// Create link element referencing aboutReader.css and append it to head
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let headStyleElement = content.document.createElement("link");
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headStyleElement.setAttribute("rel", "stylesheet");
|
|
headStyleElement.setAttribute("href", "chrome://global/skin/aboutReader.css");
|
|
headStyleElement.setAttribute("type", "text/css");
|
|
content.document.head.appendChild(headStyleElement);
|
|
|
|
content.document.body.innerHTML = "";
|
|
|
|
// Create container div (main element) and append it to body
|
|
let containerElement = content.document.createElement("div");
|
|
containerElement.setAttribute("id", "container");
|
|
content.document.body.appendChild(containerElement);
|
|
|
|
// Create header div and append it to container
|
|
let headerElement = content.document.createElement("div");
|
|
headerElement.setAttribute("id", "reader-header");
|
|
headerElement.setAttribute("class", "header");
|
|
containerElement.appendChild(headerElement);
|
|
|
|
// Create style element for header div and import simplifyMode.css
|
|
let controlHeaderStyle = content.document.createElement("style");
|
|
controlHeaderStyle.setAttribute("scoped", "");
|
|
controlHeaderStyle.textContent = "@import url(\"chrome://global/content/simplifyMode.css\");";
|
|
headerElement.appendChild(controlHeaderStyle);
|
|
|
|
// Jam the article's title and byline into header div
|
|
let titleElement = content.document.createElement("h1");
|
|
titleElement.setAttribute("id", "reader-title");
|
|
titleElement.textContent = article.title;
|
|
headerElement.appendChild(titleElement);
|
|
|
|
let bylineElement = content.document.createElement("div");
|
|
bylineElement.setAttribute("id", "reader-credits");
|
|
bylineElement.setAttribute("class", "credits");
|
|
bylineElement.textContent = article.byline;
|
|
headerElement.appendChild(bylineElement);
|
|
|
|
// Display header element
|
|
headerElement.style.display = "block";
|
|
|
|
// Create content div and append it to container
|
|
let contentElement = content.document.createElement("div");
|
|
contentElement.setAttribute("class", "content");
|
|
containerElement.appendChild(contentElement);
|
|
|
|
// Create style element for content div and import aboutReaderContent.css
|
|
let controlContentStyle = content.document.createElement("style");
|
|
controlContentStyle.setAttribute("scoped", "");
|
|
controlContentStyle.textContent = "@import url(\"chrome://global/skin/aboutReaderContent.css\");";
|
|
contentElement.appendChild(controlContentStyle);
|
|
|
|
// Jam the article's content into content div
|
|
let readerContent = content.document.createElement("div");
|
|
readerContent.setAttribute("id", "moz-reader-content");
|
|
contentElement.appendChild(readerContent);
|
|
|
|
let articleUri = Services.io.newURI(article.url, null, null);
|
|
let parserUtils = Cc["@mozilla.org/parserutils;1"].getService(Ci.nsIParserUtils);
|
|
let contentFragment = parserUtils.parseFragment(article.content,
|
|
Ci.nsIParserUtils.SanitizerDropForms | Ci.nsIParserUtils.SanitizerAllowStyle,
|
|
false, articleUri, readerContent);
|
|
|
|
readerContent.appendChild(contentFragment);
|
|
|
|
// Display reader content element
|
|
readerContent.style.display = "block";
|
|
|
|
// Here we tell the parent that we have parsed the document successfully
|
|
// using ReaderMode primitives and we are able to enter on preview mode.
|
|
sendAsyncMessage("Printing:Preview:ReaderModeReady");
|
|
});
|
|
},
|
|
|
|
enterPrintPreview(contentWindow, simplifiedMode) {
|
|
// We'll call this whenever we've finished reflowing the document, or if
|
|
// we errored out while attempting to print preview (in which case, we'll
|
|
// notify the parent that we've failed).
|
|
let notifyEntered = (error) => {
|
|
removeEventListener("printPreviewUpdate", onPrintPreviewReady);
|
|
sendAsyncMessage("Printing:Preview:Entered", {
|
|
failed: !!error,
|
|
});
|
|
};
|
|
|
|
let onPrintPreviewReady = () => {
|
|
notifyEntered();
|
|
};
|
|
|
|
// We have to wait for the print engine to finish reflowing all of the
|
|
// documents and subdocuments before we can tell the parent to flip to
|
|
// the print preview UI - otherwise, the print preview UI might ask for
|
|
// information (like the number of pages in the document) before we have
|
|
// our PresShells set up.
|
|
addEventListener("printPreviewUpdate", onPrintPreviewReady);
|
|
|
|
try {
|
|
let printSettings = this.getPrintSettings();
|
|
|
|
// If we happen to be on simplified mode, we need to set docURL in order
|
|
// to generate header/footer content correctly, since simplified tab has
|
|
// "about:blank" as its URI.
|
|
if (printSettings && simplifiedMode)
|
|
printSettings.docURL = contentWindow.document.baseURI;
|
|
|
|
docShell.printPreview.printPreview(printSettings, contentWindow, this);
|
|
} catch (error) {
|
|
// This might fail if we, for example, attempt to print a XUL document.
|
|
// In that case, we inform the parent to bail out of print preview.
|
|
Components.utils.reportError(error);
|
|
notifyEntered(error);
|
|
}
|
|
},
|
|
|
|
exitPrintPreview() {
|
|
docShell.printPreview.exitPrintPreview();
|
|
},
|
|
|
|
print(contentWindow, simplifiedMode) {
|
|
let printSettings = this.getPrintSettings();
|
|
let rv = Cr.NS_OK;
|
|
|
|
// If we happen to be on simplified mode, we need to set docURL in order
|
|
// to generate header/footer content correctly, since simplified tab has
|
|
// "about:blank" as its URI.
|
|
if (printSettings && simplifiedMode) {
|
|
printSettings.docURL = contentWindow.document.baseURI;
|
|
}
|
|
|
|
try {
|
|
let print = contentWindow.QueryInterface(Ci.nsIInterfaceRequestor)
|
|
.getInterface(Ci.nsIWebBrowserPrint);
|
|
print.print(printSettings, null);
|
|
|
|
let histogram = Services.telemetry.getKeyedHistogramById("PRINT_COUNT");
|
|
if (print.doingPrintPreview) {
|
|
if (simplifiedMode) {
|
|
histogram.add("SIMPLIFIED");
|
|
} else {
|
|
histogram.add("WITH_PREVIEW");
|
|
}
|
|
} else {
|
|
histogram.add("WITHOUT_PREVIEW");
|
|
}
|
|
} catch (e) {
|
|
// Pressing cancel is expressed as an NS_ERROR_ABORT return value,
|
|
// causing an exception to be thrown which we catch here.
|
|
if (e.result != Cr.NS_ERROR_ABORT) {
|
|
Cu.reportError(`In Printing:Print:Done handler, got unexpected rv
|
|
${e.result}.`);
|
|
sendAsyncMessage("Printing:Error", {
|
|
isPrinting: true,
|
|
nsresult: e.result,
|
|
});
|
|
}
|
|
}
|
|
|
|
if (this.shouldSavePrintSettings) {
|
|
let PSSVC = Cc["@mozilla.org/gfx/printsettings-service;1"]
|
|
.getService(Ci.nsIPrintSettingsService);
|
|
|
|
PSSVC.savePrintSettingsToPrefs(printSettings, true,
|
|
printSettings.kInitSaveAll);
|
|
PSSVC.savePrintSettingsToPrefs(printSettings, false,
|
|
printSettings.kInitSavePrinterName);
|
|
}
|
|
},
|
|
|
|
updatePageCount() {
|
|
let numPages = docShell.printPreview.printPreviewNumPages;
|
|
sendAsyncMessage("Printing:Preview:UpdatePageCount", {
|
|
numPages: numPages,
|
|
});
|
|
},
|
|
|
|
navigate(navType, pageNum) {
|
|
docShell.printPreview.printPreviewNavigate(navType, pageNum);
|
|
},
|
|
|
|
/* nsIWebProgressListener for print preview */
|
|
|
|
onStateChange(aWebProgress, aRequest, aStateFlags, aStatus) {
|
|
sendAsyncMessage("Printing:Preview:StateChange", {
|
|
stateFlags: aStateFlags,
|
|
status: aStatus,
|
|
});
|
|
},
|
|
|
|
onProgressChange(aWebProgress, aRequest, aCurSelfProgress,
|
|
aMaxSelfProgress, aCurTotalProgress,
|
|
aMaxTotalProgress) {
|
|
sendAsyncMessage("Printing:Preview:ProgressChange", {
|
|
curSelfProgress: aCurSelfProgress,
|
|
maxSelfProgress: aMaxSelfProgress,
|
|
curTotalProgress: aCurTotalProgress,
|
|
maxTotalProgress: aMaxTotalProgress,
|
|
});
|
|
},
|
|
|
|
onLocationChange(aWebProgress, aRequest, aLocation, aFlags) {},
|
|
onStatusChange(aWebProgress, aRequest, aStatus, aMessage) {},
|
|
onSecurityChange(aWebProgress, aRequest, aState) {},
|
|
}
|
|
Printing.init();
|
|
|
|
function SwitchDocumentDirection(aWindow) {
|
|
// document.dir can also be "auto", in which case it won't change
|
|
if (aWindow.document.dir == "ltr" || aWindow.document.dir == "") {
|
|
aWindow.document.dir = "rtl";
|
|
} else if (aWindow.document.dir == "rtl") {
|
|
aWindow.document.dir = "ltr";
|
|
}
|
|
for (let run = 0; run < aWindow.frames.length; run++) {
|
|
SwitchDocumentDirection(aWindow.frames[run]);
|
|
}
|
|
}
|
|
|
|
addMessageListener("SwitchDocumentDirection", () => {
|
|
SwitchDocumentDirection(content.window);
|
|
});
|
|
|
|
var FindBar = {
|
|
/* Please keep in sync with toolkit/content/widgets/findbar.xml */
|
|
FIND_NORMAL: 0,
|
|
FIND_TYPEAHEAD: 1,
|
|
FIND_LINKS: 2,
|
|
|
|
_findMode: 0,
|
|
|
|
init() {
|
|
addMessageListener("Findbar:UpdateState", this);
|
|
Services.els.addSystemEventListener(global, "keypress", this, false);
|
|
Services.els.addSystemEventListener(global, "mouseup", this, false);
|
|
},
|
|
|
|
receiveMessage(msg) {
|
|
switch (msg.name) {
|
|
case "Findbar:UpdateState":
|
|
this._findMode = msg.data.findMode;
|
|
break;
|
|
}
|
|
},
|
|
|
|
handleEvent(event) {
|
|
switch (event.type) {
|
|
case "keypress":
|
|
this._onKeypress(event);
|
|
break;
|
|
case "mouseup":
|
|
this._onMouseup(event);
|
|
break;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Returns whether FAYT can be used for the given event in
|
|
* the current content state.
|
|
*/
|
|
_canAndShouldFastFind() {
|
|
let should = false;
|
|
let can = BrowserUtils.canFastFind(content);
|
|
if (can) {
|
|
//XXXgijs: why all these shenanigans? Why not use the event's target?
|
|
let focusedWindow = {};
|
|
let elt = Services.focus.getFocusedElementForWindow(content, true, focusedWindow);
|
|
let win = focusedWindow.value;
|
|
should = BrowserUtils.shouldFastFind(elt, win);
|
|
}
|
|
return { can, should }
|
|
},
|
|
|
|
_onKeypress(event) {
|
|
// Useless keys:
|
|
if (event.ctrlKey || event.altKey || event.metaKey || event.defaultPrevented) {
|
|
return undefined;
|
|
}
|
|
|
|
// Check the focused element etc.
|
|
let fastFind = this._canAndShouldFastFind();
|
|
|
|
// Can we even use find in this page at all?
|
|
if (!fastFind.can) {
|
|
return undefined;
|
|
}
|
|
|
|
let fakeEvent = {};
|
|
for (let k in event) {
|
|
if (typeof event[k] != "object" && typeof event[k] != "function" &&
|
|
!(k in content.KeyboardEvent)) {
|
|
fakeEvent[k] = event[k];
|
|
}
|
|
}
|
|
// sendSyncMessage returns an array of the responses from all listeners
|
|
let rv = sendSyncMessage("Findbar:Keypress", {
|
|
fakeEvent: fakeEvent,
|
|
shouldFastFind: fastFind.should
|
|
});
|
|
if (rv.indexOf(false) !== -1) {
|
|
event.preventDefault();
|
|
return false;
|
|
}
|
|
return undefined;
|
|
},
|
|
|
|
_onMouseup(event) {
|
|
if (this._findMode != this.FIND_NORMAL)
|
|
sendAsyncMessage("Findbar:Mouseup");
|
|
},
|
|
};
|
|
FindBar.init();
|
|
|
|
let WebChannelMessageToChromeListener = {
|
|
// Preference containing the list (space separated) of origins that are
|
|
// allowed to send non-string values through a WebChannel, mainly for
|
|
// backwards compatability. See bug 1238128 for more information.
|
|
URL_WHITELIST_PREF: "webchannel.allowObject.urlWhitelist",
|
|
|
|
// Cached list of whitelisted principals, we avoid constructing this if the
|
|
// value in `_lastWhitelistValue` hasn't changed since we constructed it last.
|
|
_cachedWhitelist: [],
|
|
_lastWhitelistValue: "",
|
|
|
|
init() {
|
|
addEventListener("WebChannelMessageToChrome", e => {
|
|
this._onMessageToChrome(e);
|
|
}, true, true);
|
|
},
|
|
|
|
_getWhitelistedPrincipals() {
|
|
let whitelist = Services.prefs.getCharPref(this.URL_WHITELIST_PREF);
|
|
if (whitelist != this._lastWhitelistValue) {
|
|
let urls = whitelist.split(/\s+/);
|
|
this._cachedWhitelist = urls.map(origin =>
|
|
Services.scriptSecurityManager.createCodebasePrincipalFromOrigin(origin));
|
|
}
|
|
return this._cachedWhitelist;
|
|
},
|
|
|
|
_onMessageToChrome(e) {
|
|
// If target is window then we want the document principal, otherwise fallback to target itself.
|
|
let principal = e.target.nodePrincipal ? e.target.nodePrincipal : e.target.document.nodePrincipal;
|
|
|
|
if (e.detail) {
|
|
if (typeof e.detail != 'string') {
|
|
// Check if the principal is one of the ones that's allowed to send
|
|
// non-string values for e.detail.
|
|
let objectsAllowed = this._getWhitelistedPrincipals().some(whitelisted =>
|
|
principal.originNoSuffix == whitelisted.originNoSuffix);
|
|
if (!objectsAllowed) {
|
|
Cu.reportError("WebChannelMessageToChrome sent with an object from a non-whitelisted principal");
|
|
return;
|
|
}
|
|
}
|
|
sendAsyncMessage("WebChannelMessageToChrome", e.detail, { eventTarget: e.target }, principal);
|
|
} else {
|
|
Cu.reportError("WebChannel message failed. No message detail.");
|
|
}
|
|
}
|
|
};
|
|
|
|
WebChannelMessageToChromeListener.init();
|
|
|
|
// This should be kept in sync with /browser/base/content.js.
|
|
// Add message listener for "WebChannelMessageToContent" messages from chrome scripts.
|
|
addMessageListener("WebChannelMessageToContent", function (e) {
|
|
if (e.data) {
|
|
// e.objects.eventTarget will be defined if sending a response to
|
|
// a WebChannelMessageToChrome event. An unsolicited send
|
|
// may not have an eventTarget defined, in this case send to the
|
|
// main content window.
|
|
let eventTarget = e.objects.eventTarget || content;
|
|
|
|
// Use nodePrincipal if available, otherwise fallback to document principal.
|
|
let targetPrincipal = eventTarget instanceof Ci.nsIDOMWindow ? eventTarget.document.nodePrincipal : eventTarget.nodePrincipal;
|
|
|
|
if (e.principal.subsumes(targetPrincipal)) {
|
|
// If eventTarget is a window, use it as the targetWindow, otherwise
|
|
// find the window that owns the eventTarget.
|
|
let targetWindow = eventTarget instanceof Ci.nsIDOMWindow ? eventTarget : eventTarget.ownerDocument.defaultView;
|
|
|
|
eventTarget.dispatchEvent(new targetWindow.CustomEvent("WebChannelMessageToContent", {
|
|
detail: Cu.cloneInto({
|
|
id: e.data.id,
|
|
message: e.data.message,
|
|
}, targetWindow),
|
|
}));
|
|
} else {
|
|
Cu.reportError("WebChannel message failed. Principal mismatch.");
|
|
}
|
|
} else {
|
|
Cu.reportError("WebChannel message failed. No message data.");
|
|
}
|
|
});
|
|
|
|
var AudioPlaybackListener = {
|
|
QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver]),
|
|
|
|
init() {
|
|
Services.obs.addObserver(this, "audio-playback", false);
|
|
Services.obs.addObserver(this, "AudioFocusChanged", false);
|
|
Services.obs.addObserver(this, "MediaControl", false);
|
|
|
|
addMessageListener("AudioPlayback", this);
|
|
addEventListener("unload", () => {
|
|
AudioPlaybackListener.uninit();
|
|
});
|
|
},
|
|
|
|
uninit() {
|
|
Services.obs.removeObserver(this, "audio-playback");
|
|
Services.obs.removeObserver(this, "AudioFocusChanged");
|
|
Services.obs.removeObserver(this, "MediaControl");
|
|
|
|
removeMessageListener("AudioPlayback", this);
|
|
},
|
|
|
|
handleMediaControlMessage(msg) {
|
|
let utils = global.content.QueryInterface(Ci.nsIInterfaceRequestor)
|
|
.getInterface(Ci.nsIDOMWindowUtils);
|
|
let suspendTypes = Ci.nsISuspendedTypes;
|
|
switch (msg) {
|
|
case "mute":
|
|
utils.audioMuted = true;
|
|
break;
|
|
case "unmute":
|
|
utils.audioMuted = false;
|
|
break;
|
|
case "lostAudioFocus":
|
|
utils.mediaSuspend = suspendTypes.SUSPENDED_PAUSE_DISPOSABLE;
|
|
break;
|
|
case "lostAudioFocusTransiently":
|
|
utils.mediaSuspend = suspendTypes.SUSPENDED_PAUSE;
|
|
break;
|
|
case "gainAudioFocus":
|
|
utils.mediaSuspend = suspendTypes.NONE_SUSPENDED;
|
|
break;
|
|
case "mediaControlPaused":
|
|
utils.mediaSuspend = suspendTypes.SUSPENDED_PAUSE_DISPOSABLE;
|
|
break;
|
|
case "mediaControlStopped":
|
|
utils.mediaSuspend = suspendTypes.SUSPENDED_STOP_DISPOSABLE;
|
|
break;
|
|
case "blockInactivePageMedia":
|
|
utils.mediaSuspend = suspendTypes.SUSPENDED_BLOCK;
|
|
break;
|
|
case "resumeMedia":
|
|
utils.mediaSuspend = suspendTypes.NONE_SUSPENDED;
|
|
break;
|
|
default:
|
|
dump("Error : wrong media control msg!\n");
|
|
break;
|
|
}
|
|
},
|
|
|
|
observe(subject, topic, data) {
|
|
if (topic === "audio-playback") {
|
|
if (subject && subject.top == global.content) {
|
|
let name = "AudioPlayback:";
|
|
name += (data === "active") ? "Start" : "Stop";
|
|
sendAsyncMessage(name);
|
|
}
|
|
} else if (topic == "AudioFocusChanged" || topic == "MediaControl") {
|
|
this.handleMediaControlMessage(data);
|
|
}
|
|
},
|
|
|
|
receiveMessage(msg) {
|
|
if (msg.name == "AudioPlayback") {
|
|
this.handleMediaControlMessage(msg.data.type);
|
|
}
|
|
},
|
|
};
|
|
AudioPlaybackListener.init();
|
|
|
|
addMessageListener("Browser:PurgeSessionHistory", function BrowserPurgeHistory() {
|
|
let sessionHistory = docShell.QueryInterface(Ci.nsIWebNavigation).sessionHistory;
|
|
if (!sessionHistory) {
|
|
return;
|
|
}
|
|
|
|
// place the entry at current index at the end of the history list, so it won't get removed
|
|
if (sessionHistory.index < sessionHistory.count - 1) {
|
|
let indexEntry = sessionHistory.getEntryAtIndex(sessionHistory.index, false);
|
|
sessionHistory.QueryInterface(Components.interfaces.nsISHistoryInternal);
|
|
indexEntry.QueryInterface(Components.interfaces.nsISHEntry);
|
|
sessionHistory.addEntry(indexEntry, true);
|
|
}
|
|
|
|
let purge = sessionHistory.count;
|
|
if (global.content.location.href != "about:blank") {
|
|
--purge; // Don't remove the page the user's staring at from shistory
|
|
}
|
|
|
|
if (purge > 0) {
|
|
sessionHistory.PurgeHistory(purge);
|
|
}
|
|
});
|
|
|
|
var ViewSelectionSource = {
|
|
init: function () {
|
|
addMessageListener("ViewSource:GetSelection", this);
|
|
},
|
|
|
|
receiveMessage: function(message) {
|
|
if (message.name == "ViewSource:GetSelection") {
|
|
let selectionDetails;
|
|
try {
|
|
selectionDetails = message.objects.target ? this.getMathMLSelection(message.objects.target)
|
|
: this.getSelection();
|
|
} finally {
|
|
sendAsyncMessage("ViewSource:GetSelectionDone", selectionDetails);
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* A helper to get a path like FIXptr, but with an array instead of the
|
|
* "tumbler" notation.
|
|
* See FIXptr: http://lists.w3.org/Archives/Public/www-xml-linking-comments/2001AprJun/att-0074/01-NOTE-FIXptr-20010425.htm
|
|
*/
|
|
getPath: function(ancestor, node) {
|
|
var n = node;
|
|
var p = n.parentNode;
|
|
if (n == ancestor || !p)
|
|
return null;
|
|
var path = new Array();
|
|
if (!path)
|
|
return null;
|
|
do {
|
|
for (var i = 0; i < p.childNodes.length; i++) {
|
|
if (p.childNodes.item(i) == n) {
|
|
path.push(i);
|
|
break;
|
|
}
|
|
}
|
|
n = p;
|
|
p = n.parentNode;
|
|
} while (n != ancestor && p);
|
|
return path;
|
|
},
|
|
|
|
getSelection: function () {
|
|
// These are markers used to delimit the selection during processing. They
|
|
// are removed from the final rendering.
|
|
// We use noncharacter Unicode codepoints to minimize the risk of clashing
|
|
// with anything that might legitimately be present in the document.
|
|
// U+FDD0..FDEF <noncharacters>
|
|
const MARK_SELECTION_START = "\uFDD0";
|
|
const MARK_SELECTION_END = "\uFDEF";
|
|
|
|
var focusedWindow = Services.focus.focusedWindow || content;
|
|
var selection = focusedWindow.getSelection();
|
|
|
|
var range = selection.getRangeAt(0);
|
|
var ancestorContainer = range.commonAncestorContainer;
|
|
var doc = ancestorContainer.ownerDocument;
|
|
|
|
var startContainer = range.startContainer;
|
|
var endContainer = range.endContainer;
|
|
var startOffset = range.startOffset;
|
|
var endOffset = range.endOffset;
|
|
|
|
// let the ancestor be an element
|
|
var Node = doc.defaultView.Node;
|
|
if (ancestorContainer.nodeType == Node.TEXT_NODE ||
|
|
ancestorContainer.nodeType == Node.CDATA_SECTION_NODE)
|
|
ancestorContainer = ancestorContainer.parentNode;
|
|
|
|
// for selectAll, let's use the entire document, including <html>...</html>
|
|
// @see nsDocumentViewer::SelectAll() for how selectAll is implemented
|
|
try {
|
|
if (ancestorContainer == doc.body)
|
|
ancestorContainer = doc.documentElement;
|
|
} catch (e) { }
|
|
|
|
// each path is a "child sequence" (a.k.a. "tumbler") that
|
|
// descends from the ancestor down to the boundary point
|
|
var startPath = this.getPath(ancestorContainer, startContainer);
|
|
var endPath = this.getPath(ancestorContainer, endContainer);
|
|
|
|
// clone the fragment of interest and reset everything to be relative to it
|
|
// note: it is with the clone that we operate/munge from now on. Also note
|
|
// that we clone into a data document to prevent images in the fragment from
|
|
// loading and the like. The use of importNode here, as opposed to adoptNode,
|
|
// is _very_ important.
|
|
// XXXbz wish there were a less hacky way to create an untrusted document here
|
|
var isHTML = (doc.createElement("div").tagName == "DIV");
|
|
var dataDoc = isHTML ?
|
|
ancestorContainer.ownerDocument.implementation.createHTMLDocument("") :
|
|
ancestorContainer.ownerDocument.implementation.createDocument("", "", null);
|
|
ancestorContainer = dataDoc.importNode(ancestorContainer, true);
|
|
startContainer = ancestorContainer;
|
|
endContainer = ancestorContainer;
|
|
|
|
// Only bother with the selection if it can be remapped. Don't mess with
|
|
// leaf elements (such as <isindex>) that secretly use anynomous content
|
|
// for their display appearance.
|
|
var canDrawSelection = ancestorContainer.hasChildNodes();
|
|
var tmpNode;
|
|
if (canDrawSelection) {
|
|
var i;
|
|
for (i = startPath ? startPath.length-1 : -1; i >= 0; i--) {
|
|
startContainer = startContainer.childNodes.item(startPath[i]);
|
|
}
|
|
for (i = endPath ? endPath.length-1 : -1; i >= 0; i--) {
|
|
endContainer = endContainer.childNodes.item(endPath[i]);
|
|
}
|
|
|
|
// add special markers to record the extent of the selection
|
|
// note: |startOffset| and |endOffset| are interpreted either as
|
|
// offsets in the text data or as child indices (see the Range spec)
|
|
// (here, munging the end point first to keep the start point safe...)
|
|
if (endContainer.nodeType == Node.TEXT_NODE ||
|
|
endContainer.nodeType == Node.CDATA_SECTION_NODE) {
|
|
// do some extra tweaks to try to avoid the view-source output to look like
|
|
// ...<tag>]... or ...]</tag>... (where ']' marks the end of the selection).
|
|
// To get a neat output, the idea here is to remap the end point from:
|
|
// 1. ...<tag>]... to ...]<tag>...
|
|
// 2. ...]</tag>... to ...</tag>]...
|
|
if ((endOffset > 0 && endOffset < endContainer.data.length) ||
|
|
!endContainer.parentNode || !endContainer.parentNode.parentNode)
|
|
endContainer.insertData(endOffset, MARK_SELECTION_END);
|
|
else {
|
|
tmpNode = dataDoc.createTextNode(MARK_SELECTION_END);
|
|
endContainer = endContainer.parentNode;
|
|
if (endOffset === 0)
|
|
endContainer.parentNode.insertBefore(tmpNode, endContainer);
|
|
else
|
|
endContainer.parentNode.insertBefore(tmpNode, endContainer.nextSibling);
|
|
}
|
|
}
|
|
else {
|
|
tmpNode = dataDoc.createTextNode(MARK_SELECTION_END);
|
|
endContainer.insertBefore(tmpNode, endContainer.childNodes.item(endOffset));
|
|
}
|
|
|
|
if (startContainer.nodeType == Node.TEXT_NODE ||
|
|
startContainer.nodeType == Node.CDATA_SECTION_NODE) {
|
|
// do some extra tweaks to try to avoid the view-source output to look like
|
|
// ...<tag>[... or ...[</tag>... (where '[' marks the start of the selection).
|
|
// To get a neat output, the idea here is to remap the start point from:
|
|
// 1. ...<tag>[... to ...[<tag>...
|
|
// 2. ...[</tag>... to ...</tag>[...
|
|
if ((startOffset > 0 && startOffset < startContainer.data.length) ||
|
|
!startContainer.parentNode || !startContainer.parentNode.parentNode ||
|
|
startContainer != startContainer.parentNode.lastChild)
|
|
startContainer.insertData(startOffset, MARK_SELECTION_START);
|
|
else {
|
|
tmpNode = dataDoc.createTextNode(MARK_SELECTION_START);
|
|
startContainer = startContainer.parentNode;
|
|
if (startOffset === 0)
|
|
startContainer.parentNode.insertBefore(tmpNode, startContainer);
|
|
else
|
|
startContainer.parentNode.insertBefore(tmpNode, startContainer.nextSibling);
|
|
}
|
|
}
|
|
else {
|
|
tmpNode = dataDoc.createTextNode(MARK_SELECTION_START);
|
|
startContainer.insertBefore(tmpNode, startContainer.childNodes.item(startOffset));
|
|
}
|
|
}
|
|
|
|
// now extract and display the syntax highlighted source
|
|
tmpNode = dataDoc.createElementNS("http://www.w3.org/1999/xhtml", "div");
|
|
tmpNode.appendChild(ancestorContainer);
|
|
|
|
return { uri: (isHTML ? "view-source:data:text/html;charset=utf-8," :
|
|
"view-source:data:application/xml;charset=utf-8,")
|
|
+ encodeURIComponent(tmpNode.innerHTML),
|
|
drawSelection: canDrawSelection,
|
|
baseURI: doc.baseURI };
|
|
},
|
|
|
|
/**
|
|
* Reformat the source of a MathML node to highlight the node that was targetted.
|
|
*
|
|
* @param node
|
|
* Some element within the fragment of interest.
|
|
*/
|
|
getMathMLSelection: function(node) {
|
|
var Node = node.ownerDocument.defaultView.Node;
|
|
this._lineCount = 0;
|
|
this._startTargetLine = 0;
|
|
this._endTargetLine = 0;
|
|
this._targetNode = node;
|
|
if (this._targetNode && this._targetNode.nodeType == Node.TEXT_NODE)
|
|
this._targetNode = this._targetNode.parentNode;
|
|
|
|
// walk up the tree to the top-level element (e.g., <math>, <svg>)
|
|
var topTag = "math";
|
|
var topNode = this._targetNode;
|
|
while (topNode && topNode.localName != topTag) {
|
|
topNode = topNode.parentNode;
|
|
}
|
|
if (!topNode)
|
|
return undefined;
|
|
|
|
// serialize
|
|
const VIEW_SOURCE_CSS = "resource://gre-resources/viewsource.css";
|
|
const BUNDLE_URL = "chrome://global/locale/viewSource.properties";
|
|
|
|
let bundle = Services.strings.createBundle(BUNDLE_URL);
|
|
var title = bundle.GetStringFromName("viewMathMLSourceTitle");
|
|
var wrapClass = this.wrapLongLines ? ' class="wrap"' : '';
|
|
var source =
|
|
'<!DOCTYPE html>'
|
|
+ '<html>'
|
|
+ '<head><title>' + title + '</title>'
|
|
+ '<link rel="stylesheet" type="text/css" href="' + VIEW_SOURCE_CSS + '">'
|
|
+ '<style type="text/css">'
|
|
+ '#target { border: dashed 1px; background-color: lightyellow; }'
|
|
+ '</style>'
|
|
+ '</head>'
|
|
+ '<body id="viewsource"' + wrapClass
|
|
+ ' onload="document.title=\''+title+'\'; document.getElementById(\'target\').scrollIntoView(true)">'
|
|
+ '<pre>'
|
|
+ this.getOuterMarkup(topNode, 0)
|
|
+ '</pre></body></html>'
|
|
; // end
|
|
|
|
return { uri: "data:text/html;charset=utf-8," + encodeURIComponent(source),
|
|
drawSelection: false, baseURI: node.ownerDocument.baseURI };
|
|
},
|
|
|
|
get wrapLongLines() {
|
|
return Services.prefs.getBoolPref("view_source.wrap_long_lines");
|
|
},
|
|
|
|
getInnerMarkup: function(node, indent) {
|
|
var str = '';
|
|
for (var i = 0; i < node.childNodes.length; i++) {
|
|
str += this.getOuterMarkup(node.childNodes.item(i), indent);
|
|
}
|
|
return str;
|
|
},
|
|
|
|
getOuterMarkup: function(node, indent) {
|
|
var Node = node.ownerDocument.defaultView.Node;
|
|
var newline = "";
|
|
var padding = "";
|
|
var str = "";
|
|
if (node == this._targetNode) {
|
|
this._startTargetLine = this._lineCount;
|
|
str += '</pre><pre id="target">';
|
|
}
|
|
|
|
switch (node.nodeType) {
|
|
case Node.ELEMENT_NODE: // Element
|
|
// to avoid the wide gap problem, '\n' is not emitted on the first
|
|
// line and the lines before & after the <pre id="target">...</pre>
|
|
if (this._lineCount > 0 &&
|
|
this._lineCount != this._startTargetLine &&
|
|
this._lineCount != this._endTargetLine) {
|
|
newline = "\n";
|
|
}
|
|
this._lineCount++;
|
|
for (var k = 0; k < indent; k++) {
|
|
padding += " ";
|
|
}
|
|
str += newline + padding
|
|
+ '<<span class="start-tag">' + node.nodeName + '</span>';
|
|
for (var i = 0; i < node.attributes.length; i++) {
|
|
var attr = node.attributes.item(i);
|
|
if (attr.nodeName.match(/^[-_]moz/)) {
|
|
continue;
|
|
}
|
|
str += ' <span class="attribute-name">'
|
|
+ attr.nodeName
|
|
+ '</span>=<span class="attribute-value">"'
|
|
+ this.unicodeToEntity(attr.nodeValue)
|
|
+ '"</span>';
|
|
}
|
|
if (!node.hasChildNodes()) {
|
|
str += "/>";
|
|
}
|
|
else {
|
|
str += ">";
|
|
var oldLine = this._lineCount;
|
|
str += this.getInnerMarkup(node, indent + 2);
|
|
if (oldLine == this._lineCount) {
|
|
newline = "";
|
|
padding = "";
|
|
}
|
|
else {
|
|
newline = (this._lineCount == this._endTargetLine) ? "" : "\n";
|
|
this._lineCount++;
|
|
}
|
|
str += newline + padding
|
|
+ '</<span class="end-tag">' + node.nodeName + '</span>>';
|
|
}
|
|
break;
|
|
case Node.TEXT_NODE: // Text
|
|
var tmp = node.nodeValue;
|
|
tmp = tmp.replace(/(\n|\r|\t)+/g, " ");
|
|
tmp = tmp.replace(/^ +/, "");
|
|
tmp = tmp.replace(/ +$/, "");
|
|
if (tmp.length != 0) {
|
|
str += '<span class="text">' + this.unicodeToEntity(tmp) + '</span>';
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (node == this._targetNode) {
|
|
this._endTargetLine = this._lineCount;
|
|
str += '</pre><pre>';
|
|
}
|
|
return str;
|
|
},
|
|
|
|
unicodeToEntity: function(text) {
|
|
const charTable = {
|
|
'&': '&<span class="entity">amp;</span>',
|
|
'<': '&<span class="entity">lt;</span>',
|
|
'>': '&<span class="entity">gt;</span>',
|
|
'"': '&<span class="entity">quot;</span>'
|
|
};
|
|
|
|
function charTableLookup(letter) {
|
|
return charTable[letter];
|
|
}
|
|
|
|
function convertEntity(letter) {
|
|
try {
|
|
var unichar = this._entityConverter
|
|
.ConvertToEntity(letter, entityVersion);
|
|
var entity = unichar.substring(1); // extract '&'
|
|
return '&<span class="entity">' + entity + '</span>';
|
|
} catch (ex) {
|
|
return letter;
|
|
}
|
|
}
|
|
|
|
if (!this._entityConverter) {
|
|
try {
|
|
this._entityConverter = Cc["@mozilla.org/intl/entityconverter;1"]
|
|
.createInstance(Ci.nsIEntityConverter);
|
|
} catch (e) { }
|
|
}
|
|
|
|
const entityVersion = Ci.nsIEntityConverter.entityW3C;
|
|
|
|
var str = text;
|
|
|
|
// replace chars in our charTable
|
|
str = str.replace(/[<>&"]/g, charTableLookup);
|
|
|
|
// replace chars > 0x7f via nsIEntityConverter
|
|
str = str.replace(/[^\0-\u007f]/g, convertEntity);
|
|
|
|
return str;
|
|
}
|
|
};
|
|
|
|
ViewSelectionSource.init();
|
|
|
|
addEventListener("MozApplicationManifest", function(e) {
|
|
let doc = e.target;
|
|
let info = {
|
|
uri: doc.documentURI,
|
|
characterSet: doc.characterSet,
|
|
manifest: doc.documentElement.getAttribute("manifest"),
|
|
principal: doc.nodePrincipal,
|
|
};
|
|
sendAsyncMessage("MozApplicationManifest", info);
|
|
}, false);
|
|
|
|
let AutoCompletePopup = {
|
|
QueryInterface: XPCOMUtils.generateQI([Ci.nsIAutoCompletePopup]),
|
|
|
|
_connected: false,
|
|
init: function() {
|
|
// We need to wait for a content viewer to be available
|
|
// before we can attach our AutoCompletePopup handler,
|
|
// since nsFormFillController assumes one will exist
|
|
// when we call attachToBrowser.
|
|
let onDCL = () => {
|
|
removeEventListener("DOMContentLoaded", onDCL);
|
|
// Hook up the form fill autocomplete controller.
|
|
let controller = Cc["@mozilla.org/satchel/form-fill-controller;1"]
|
|
.getService(Ci.nsIFormFillController);
|
|
controller.attachToBrowser(docShell,
|
|
this.QueryInterface(Ci.nsIAutoCompletePopup));
|
|
this._connected = true;
|
|
};
|
|
addEventListener("DOMContentLoaded", onDCL);
|
|
|
|
this._input = null;
|
|
this._popupOpen = false;
|
|
|
|
addMessageListener("FormAutoComplete:HandleEnter", message => {
|
|
this.selectedIndex = message.data.selectedIndex;
|
|
|
|
let controller = Components.classes["@mozilla.org/autocomplete/controller;1"].
|
|
getService(Components.interfaces.nsIAutoCompleteController);
|
|
controller.handleEnter(message.data.isPopupSelection);
|
|
});
|
|
|
|
addEventListener("unload", function() {
|
|
AutoCompletePopup.destroy();
|
|
});
|
|
},
|
|
|
|
destroy: function() {
|
|
if (this._connected) {
|
|
let controller = Cc["@mozilla.org/satchel/form-fill-controller;1"]
|
|
.getService(Ci.nsIFormFillController);
|
|
|
|
controller.detachFromBrowser(docShell);
|
|
this._connected = false;
|
|
}
|
|
},
|
|
|
|
get input () { return this._input; },
|
|
get overrideValue () { return null; },
|
|
set selectedIndex (index) {
|
|
sendAsyncMessage("FormAutoComplete:SetSelectedIndex", { index });
|
|
},
|
|
get selectedIndex () {
|
|
// selectedIndex getter must be synchronous because we need the
|
|
// correct value when the controller is in controller::HandleEnter.
|
|
// We can't easily just let the parent inform us the new value every
|
|
// time it changes because not every action that can change the
|
|
// selectedIndex is trivial to catch (e.g. moving the mouse over the
|
|
// list).
|
|
return sendSyncMessage("FormAutoComplete:GetSelectedIndex", {});
|
|
},
|
|
get popupOpen () {
|
|
return this._popupOpen;
|
|
},
|
|
|
|
openAutocompletePopup: function (input, element) {
|
|
if (this._popupOpen || !input) {
|
|
return;
|
|
}
|
|
|
|
let rect = BrowserUtils.getElementBoundingScreenRect(element);
|
|
let window = element.ownerDocument.defaultView;
|
|
let dir = window.getComputedStyle(element).direction;
|
|
let results = this.getResultsFromController(input);
|
|
|
|
sendAsyncMessage("FormAutoComplete:MaybeOpenPopup",
|
|
{ results, rect, dir });
|
|
this._input = input;
|
|
this._popupOpen = true;
|
|
},
|
|
|
|
closePopup: function () {
|
|
this._popupOpen = false;
|
|
sendAsyncMessage("FormAutoComplete:ClosePopup", {});
|
|
},
|
|
|
|
invalidate: function () {
|
|
if (this._popupOpen) {
|
|
let results = this.getResultsFromController(this._input);
|
|
sendAsyncMessage("FormAutoComplete:Invalidate", { results });
|
|
}
|
|
},
|
|
|
|
selectBy: function(reverse, page) {
|
|
this._index = sendSyncMessage("FormAutoComplete:SelectBy", {
|
|
reverse: reverse,
|
|
page: page
|
|
});
|
|
},
|
|
|
|
getResultsFromController(inputField) {
|
|
let results = [];
|
|
|
|
if (!inputField) {
|
|
return results;
|
|
}
|
|
|
|
let controller = inputField.controller;
|
|
if (!(controller instanceof Ci.nsIAutoCompleteController)) {
|
|
return results;
|
|
}
|
|
|
|
for (let i = 0; i < controller.matchCount; ++i) {
|
|
let result = {};
|
|
result.value = controller.getValueAt(i);
|
|
result.label = controller.getLabelAt(i);
|
|
result.comment = controller.getCommentAt(i);
|
|
result.style = controller.getStyleAt(i);
|
|
result.image = controller.getImageAt(i);
|
|
results.push(result);
|
|
}
|
|
|
|
return results;
|
|
}
|
|
}
|
|
|
|
AutoCompletePopup.init();
|