mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
866 lines
30 KiB
JavaScript
866 lines
30 KiB
JavaScript
// This stays here because otherwise it's hard to tell if there's a parsing error
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dump("###################################### content loaded\n");
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let Cc = Components.classes;
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let Ci = Components.interfaces;
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let Cu = Components.utils;
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Cu.import("resource://gre/modules/Services.jsm");
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let gFocusManager = Cc["@mozilla.org/focus-manager;1"]
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.getService(Ci.nsIFocusManager);
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let XULDocument = Ci.nsIDOMXULDocument;
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let HTMLHtmlElement = Ci.nsIDOMHTMLHtmlElement;
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let HTMLIFrameElement = Ci.nsIDOMHTMLIFrameElement;
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let HTMLFrameElement = Ci.nsIDOMHTMLFrameElement;
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// Blindly copied from Safari documentation for now.
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const kViewportMinScale = 0;
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const kViewportMaxScale = 10;
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const kViewportMinWidth = 200;
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const kViewportMaxWidth = 10000;
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const kViewportMinHeight = 223;
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const kViewportMaxHeight = 10000;
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/** Watches for mouse click in content and redirect them to the best found target **/
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const ElementTouchHelper = {
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get radius() {
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let prefs = Services.prefs;
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delete this.radius;
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return this.radius = { "top": prefs.getIntPref("browser.ui.touch.top"),
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"right": prefs.getIntPref("browser.ui.touch.right"),
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"bottom": prefs.getIntPref("browser.ui.touch.bottom"),
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"left": prefs.getIntPref("browser.ui.touch.left")
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};
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},
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get weight() {
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delete this.weight;
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return this.weight = { "visited": Services.prefs.getIntPref("browser.ui.touch.weight.visited")
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};
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},
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/* Retrieve the closest element to a point by looking at borders position */
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getClosest: function getClosest(aWindowUtils, aX, aY) {
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let target = aWindowUtils.elementFromPoint(aX, aY,
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true, /* ignore root scroll frame*/
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false); /* don't flush layout */
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// return early if the click is just over a clickable element
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if (this._isElementClickable(target))
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return target;
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let nodes = aWindowUtils.nodesFromRect(aX, aY, this.radius.top,
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this.radius.right,
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this.radius.bottom,
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this.radius.left, true, false);
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let threshold = Number.POSITIVE_INFINITY;
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for (let i = 0; i < nodes.length; i++) {
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let current = nodes[i];
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if (!current.mozMatchesSelector || !this._isElementClickable(current))
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continue;
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let rect = current.getBoundingClientRect();
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let distance = this._computeDistanceFromRect(aX, aY, rect);
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// increase a little bit the weight for already visited items
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if (current && current.mozMatchesSelector("*:visited"))
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distance *= (this.weight.visited / 100);
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if (distance < threshold) {
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target = current;
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threshold = distance;
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}
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}
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return target;
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},
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_isElementClickable: function _isElementClickable(aElement) {
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const selector = "a,:link,:visited,[role=button],button,input,select,textarea,label";
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for (let elem = aElement; elem; elem = elem.parentNode) {
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if (this._hasMouseListener(elem))
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return true;
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if (elem.mozMatchesSelector && elem.mozMatchesSelector(selector))
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return true;
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}
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return false;
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},
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_computeDistanceFromRect: function _computeDistanceFromRect(aX, aY, aRect) {
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let x = 0, y = 0;
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let xmost = aRect.left + aRect.width;
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let ymost = aRect.top + aRect.height;
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// compute horizontal distance from left/right border depending if X is
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// before/inside/after the element's rectangle
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if (aRect.left < aX && aX < xmost)
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x = Math.min(xmost - aX, aX - aRect.left);
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else if (aX < aRect.left)
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x = aRect.left - aX;
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else if (aX > xmost)
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x = aX - xmost;
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// compute vertical distance from top/bottom border depending if Y is
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// above/inside/below the element's rectangle
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if (aRect.top < aY && aY < ymost)
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y = Math.min(ymost - aY, aY - aRect.top);
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else if (aY < aRect.top)
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y = aRect.top - aY;
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if (aY > ymost)
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y = aY - ymost;
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return Math.sqrt(Math.pow(x, 2) + Math.pow(y, 2));
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},
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_els: Cc["@mozilla.org/eventlistenerservice;1"].getService(Ci.nsIEventListenerService),
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_clickableEvents: ["mousedown", "mouseup", "click"],
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_hasMouseListener: function _hasMouseListener(aElement) {
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let els = this._els;
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let listeners = els.getListenerInfoFor(aElement, {});
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for (let i = 0; i < listeners.length; i++) {
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if (this._clickableEvents.indexOf(listeners[i].type) != -1)
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return true;
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}
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return false;
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}
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};
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/**
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* @param x,y Browser coordinates
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* @return Element at position, null if no active browser or no element found
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*/
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function elementFromPoint(x, y) {
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// browser's elementFromPoint expect browser-relative client coordinates.
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// subtract browser's scroll values to adjust
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let cwu = Util.getWindowUtils(content);
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let scroll = Util.getScrollOffset(content);
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x = x - scroll.x;
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y = y - scroll.y;
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let elem = ElementTouchHelper.getClosest(cwu, x, y);
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// step through layers of IFRAMEs and FRAMES to find innermost element
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while (elem && (elem instanceof HTMLIFrameElement || elem instanceof HTMLFrameElement)) {
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// adjust client coordinates' origin to be top left of iframe viewport
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let rect = elem.getBoundingClientRect();
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x -= rect.left;
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y -= rect.top;
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let windowUtils = elem.contentDocument.defaultView.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowUtils);
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elem = ElementTouchHelper.getClosest(windowUtils, x, y);
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}
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return elem;
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}
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function getBoundingContentRect(aElement) {
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if (!aElement)
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return new Rect(0, 0, 0, 0);
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let document = aElement.ownerDocument;
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while(document.defaultView.frameElement)
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document = document.defaultView.frameElement.ownerDocument;
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let offset = Util.getScrollOffset(content);
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let r = aElement.getBoundingClientRect();
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// step out of iframes and frames, offsetting scroll values
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for (let frame = aElement.ownerDocument.defaultView; frame != content; frame = frame.parent) {
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// adjust client coordinates' origin to be top left of iframe viewport
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let rect = frame.frameElement.getBoundingClientRect();
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let left = frame.getComputedStyle(frame.frameElement, "").borderLeftWidth;
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let top = frame.getComputedStyle(frame.frameElement, "").borderTopWidth;
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offset.add(rect.left + parseInt(left), rect.top + parseInt(top));
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}
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return new Rect(r.left + offset.x, r.top + offset.y, r.width, r.height);
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}
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function getContentClientRects(aElement) {
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let offset = Util.getScrollOffset(content);
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let nativeRects = aElement.getClientRects();
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// step out of iframes and frames, offsetting scroll values
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for (let frame = aElement.ownerDocument.defaultView; frame != content; frame = frame.parent) {
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// adjust client coordinates' origin to be top left of iframe viewport
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let rect = frame.frameElement.getBoundingClientRect();
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let left = frame.getComputedStyle(frame.frameElement, "").borderLeftWidth;
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let top = frame.getComputedStyle(frame.frameElement, "").borderTopWidth;
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offset.add(rect.left + parseInt(left), rect.top + parseInt(top));
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}
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let result = [];
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for (let i = nativeRects.length - 1; i >= 0; i--) {
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let r = nativeRects[i];
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result.push({ left: r.left + offset.x,
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top: r.top + offset.y,
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width: r.width,
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height: r.height
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});
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}
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return result;
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};
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/**
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* Responsible for sending messages about security, location, and page load state.
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* @param loadingController Object with methods startLoading and stopLoading
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*/
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function ProgressController(loadingController) {
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this._webNavigation = docShell.QueryInterface(Ci.nsIWebNavigation);
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this._overrideService = null;
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this._hostChanged = false;
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this._state = null;
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this._loadingController = loadingController || this._defaultLoadingController;
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}
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ProgressController.prototype = {
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// Default loading callbacks do nothing
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_defaultLoadingController: {
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startLoading: function() {},
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stopLoading: function() {}
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},
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onStateChange: function onStateChange(aWebProgress, aRequest, aStateFlags, aStatus) {
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// ignore notification that aren't about the main document (iframes, etc)
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let win = aWebProgress.DOMWindow;
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if (win != win.parent)
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return;
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// If you want to observe other state flags, be sure they're listed in the
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// Tab._createBrowser's call to addProgressListener
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if (aStateFlags & Ci.nsIWebProgressListener.STATE_IS_NETWORK) {
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if (aStateFlags & Ci.nsIWebProgressListener.STATE_START) {
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this._loadingController.startLoading();
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}
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else if (aStateFlags & Ci.nsIWebProgressListener.STATE_STOP) {
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this._loadingController.stopLoading();
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}
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}
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},
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/** This method is called to indicate progress changes for the currently loading page. */
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onProgressChange: function onProgressChange(aWebProgress, aRequest, aCurSelf, aMaxSelf, aCurTotal, aMaxTotal) {
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},
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/** This method is called to indicate a change to the current location. */
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onLocationChange: function onLocationChange(aWebProgress, aRequest, aLocationURI) {
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},
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/**
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* This method is called to indicate a status changes for the currently
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* loading page. The message is already formatted for display.
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*/
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onStatusChange: function onStatusChange(aWebProgress, aRequest, aStatus, aMessage) {
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},
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/** This method is called when the security state of the browser changes. */
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onSecurityChange: function onSecurityChange(aWebProgress, aRequest, aState) {
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},
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QueryInterface: function QueryInterface(aIID) {
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if (aIID.equals(Ci.nsIWebProgressListener) ||
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aIID.equals(Ci.nsISupportsWeakReference) ||
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aIID.equals(Ci.nsISupports)) {
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return this;
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}
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throw Components.results.NS_ERROR_NO_INTERFACE;
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},
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start: function start() {
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let flags = Ci.nsIWebProgress.NOTIFY_STATE_NETWORK;
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let webProgress = docShell.QueryInterface(Ci.nsIInterfaceRequestor)
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.getInterface(Ci.nsIWebProgress);
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webProgress.addProgressListener(this, flags);
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},
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stop: function stop() {
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let webProgress = docShell.QueryInterface(Ci.nsIInterfaceRequestor)
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.getInterface(Ci.nsIWebProgress);
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webProgress.removeProgressListener(this);
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}
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};
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/** Can't think of a good description of this class. It probably does too much? */
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function Content() {
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addMessageListener("Browser:Blur", this);
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addMessageListener("Browser:Focus", this);
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addMessageListener("Browser:KeyEvent", this);
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addMessageListener("Browser:MouseDown", this);
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addMessageListener("Browser:MouseUp", this);
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addMessageListener("Browser:MouseCancel", this);
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addMessageListener("Browser:SaveAs", this);
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addMessageListener("Browser:ZoomToPoint", this);
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if (Util.isParentProcess())
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addEventListener("DOMActivate", this, true);
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addEventListener("MozApplicationManifest", this, false);
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this._progressController = new ProgressController(this);
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this._progressController.start();
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this._formAssistant = new FormAssistant();
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}
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Content.prototype = {
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handleEvent: function handleEvent(aEvent) {
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switch (aEvent.type) {
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case "DOMActivate": {
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// In a local tab, open remote links in new tabs.
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let href = Util.getHrefForElement(aEvent.originalTarget);
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if (/^http(s?):/.test(href)) {
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aEvent.preventDefault();
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sendAsyncMessage("Browser:OpenURI", { uri: href, bringFront: true });
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}
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break;
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}
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case "MozApplicationManifest": {
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let doc = aEvent.originalTarget;
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sendAsyncMessage("Browser:MozApplicationManifest", {
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location: doc.documentURIObject.spec,
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manifest: doc.documentElement.getAttribute("manifest"),
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charset: doc.characterSet
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});
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break;
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}
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}
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},
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receiveMessage: function receiveMessage(aMessage) {
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let json = aMessage.json;
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let x = json.x;
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let y = json.y;
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let modifiers = json.modifiers;
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switch (aMessage.name) {
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case "Browser:Blur":
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gFocusManager.clearFocus(content);
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docShell.isActive = false;
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this._selected = false;
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break;
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case "Browser:Focus":
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docShell.isActive = true;
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this._selected = true;
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break;
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case "Browser:KeyEvent":
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let utils = Util.getWindowUtils(content);
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let defaultAction = utils.sendKeyEvent(json.type, json.keyCode, json.charCode, modifiers);
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if (defaultAction && json.type == "keypress") {
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const masks = Ci.nsIDOMNSEvent;
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sendAsyncMessage("Browser:KeyPress", {
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ctrlKey: json.modifiers & masks.CONTROL_MASK,
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shiftKey: json.modifiers & masks.SHIFT_MASK,
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metaKey: json.modifiers & masks.META_MASK,
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keyCode: json.keyCode,
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charCode: json.charCode
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});
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}
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break;
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case "Browser:MouseDown": {
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let element = elementFromPoint(x, y);
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if (!element)
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return;
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let highlightRects = null;
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if (element.mozMatchesSelector("*:link,*:visited,*[role=button],button,input,option,select,textarea,label"))
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highlightRects = getContentClientRects(element);
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else if (element.mozMatchesSelector("*:link *, *:visited *"))
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highlightRects = getContentClientRects(element.parentNode);
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if (highlightRects)
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sendAsyncMessage("Browser:Highlight", { rects: highlightRects, messageId: json.messageId });
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ContextHandler.messageId = json.messageId;
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let event = content.document.createEvent("PopupEvents");
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event.initEvent("contextmenu", true, true);
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element.dispatchEvent(event);
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break;
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}
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case "Browser:MouseUp": {
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let element = elementFromPoint(x, y);
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if (modifiers == Ci.nsIDOMNSEvent.CONTROL_MASK) {
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let uri = Util.getHrefForElement(element);
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if (uri)
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sendAsyncMessage("Browser:OpenURI", { uri: uri });
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} else if (!this._formAssistant.open(element)) {
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sendAsyncMessage("FindAssist:Hide", { });
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this._sendMouseEvent("mousemove", element, x, y);
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this._sendMouseEvent("mousedown", element, x, y);
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this._sendMouseEvent("mouseup", element, x, y);
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}
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break;
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}
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case "Browser:MouseCancel":
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break;
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case "Browser:SaveAs":
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if (json.type != Ci.nsIPrintSettings.kOutputFormatPDF)
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return;
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let printSettings = Cc["@mozilla.org/gfx/printsettings-service;1"]
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.getService(Ci.nsIPrintSettingsService)
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.newPrintSettings;
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printSettings.printSilent = true;
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printSettings.showPrintProgress = false;
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printSettings.printBGImages = true;
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printSettings.printBGColors = true;
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printSettings.printToFile = true;
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printSettings.toFileName = json.filePath;
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printSettings.printFrameType = Ci.nsIPrintSettings.kFramesAsIs;
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printSettings.outputFormat = Ci.nsIPrintSettings.kOutputFormatPDF;
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//XXX we probably need a preference here, the header can be useful
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printSettings.footerStrCenter = "";
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printSettings.footerStrLeft = "";
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printSettings.footerStrRight = "";
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printSettings.headerStrCenter = "";
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printSettings.headerStrLeft = "";
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printSettings.headerStrRight = "";
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let listener = {
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onStateChange: function(aWebProgress, aRequest, aStateFlags, aStatus) {
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if (aStateFlags & Ci.nsIWebProgressListener.STATE_STOP) {
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sendAsyncMessage("Browser:SaveAs:Return", { type: json.type, id: json.id, referrer: json.referrer });
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}
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},
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onProgressChange : function(aWebProgress, aRequest, aCurSelfProgress, aMaxSelfProgress, aCurTotalProgress, aMaxTotalProgress) {},
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// stubs for the nsIWebProgressListener interfaces which nsIWebBrowserPrint doesn't use.
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onLocationChange : function() { throw "Unexpected onLocationChange"; },
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onStatusChange : function() { throw "Unexpected onStatusChange"; },
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onSecurityChange : function() { throw "Unexpected onSecurityChange"; }
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};
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let webBrowserPrint = content.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIWebBrowserPrint);
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webBrowserPrint.print(printSettings, listener);
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break;
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case "Browser:ZoomToPoint": {
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let rect = null;
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let element = elementFromPoint(x, y);
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let win = element.ownerDocument.defaultView;
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while (element && win.getComputedStyle(element,null).display == "inline")
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element = element.parentNode;
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if (element)
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rect = getBoundingContentRect(element);
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sendAsyncMessage("Browser:ZoomToPoint:Return", { x: x, y: y, rect: rect });
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break;
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}
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}
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},
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_sendMouseEvent: function _sendMouseEvent(aName, aElement, aX, aY) {
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// the element can be out of the aX/aY point because of the touch radius
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if (!(aElement instanceof HTMLHtmlElement)) {
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let isTouchClick = true;
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let rects = getContentClientRects(aElement);
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for (let i = 0; i < rects.length; i++) {
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let rect = rects[i];
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if ((aX > rect.left && aX < (rect.left + rect.width)) &&
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(aY > rect.top && aY < (rect.top + rect.height))) {
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isTouchClick = false;
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break;
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}
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}
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if (isTouchClick) {
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let rect = rects[0];
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let point = (new Rect(rect.left, rect.top, rect.width, rect.height)).center();
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aX = point.x;
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aY = point.y;
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}
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}
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let scrollOffset = Util.getScrollOffset(content);
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let windowUtils = Util.getWindowUtils(content);
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windowUtils.sendMouseEventToWindow(aName, aX - scrollOffset.x, aY - scrollOffset.y, 0, 1, 0, true);
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},
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startLoading: function startLoading() {
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this._loading = true;
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},
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|
|
stopLoading: function stopLoading() {
|
|
this._loading = false;
|
|
},
|
|
|
|
isSelected: function isSelected() {
|
|
return this._selected;
|
|
}
|
|
};
|
|
|
|
let contentObject = new Content();
|
|
|
|
let ViewportHandler = {
|
|
metadata: null,
|
|
|
|
init: function init() {
|
|
addEventListener("DOMWindowCreated", this, false);
|
|
addEventListener("DOMMetaAdded", this, false);
|
|
addEventListener("DOMContentLoaded", this, false);
|
|
addEventListener("pageshow", this, false);
|
|
},
|
|
|
|
handleEvent: function handleEvent(aEvent) {
|
|
let target = aEvent.originalTarget;
|
|
let isRootDocument = (target == content.document || target.ownerDocument == content.document);
|
|
if (!isRootDocument)
|
|
return;
|
|
|
|
switch (aEvent.type) {
|
|
case "DOMWindowCreated":
|
|
this.resetMetadata();
|
|
break;
|
|
|
|
case "DOMMetaAdded":
|
|
if (target.name == "viewport")
|
|
this.updateMetadata();
|
|
break;
|
|
|
|
case "DOMContentLoaded":
|
|
case "pageshow":
|
|
this.updateMetadata();
|
|
break;
|
|
}
|
|
},
|
|
|
|
resetMetadata: function resetMetadata() {
|
|
this.metadata = null;
|
|
sendAsyncMessage("Browser:ViewportMetadata", null);
|
|
},
|
|
|
|
updateMetadata: function updateMetadata() {
|
|
this.metadata = this.getViewportMetadata();
|
|
sendAsyncMessage("Browser:ViewportMetadata", this.metadata);
|
|
},
|
|
|
|
getViewportMetadata: function getViewportMetadata() {
|
|
let dpiScale = Services.prefs.getIntPref("zoom.dpiScale") / 100;
|
|
|
|
let doctype = content.document.doctype;
|
|
if (doctype && /(WAP|WML|Mobile)/.test(doctype.publicId))
|
|
return { defaultZoom: dpiScale, autoSize: true };
|
|
|
|
let windowUtils = Util.getWindowUtils(content);
|
|
let handheldFriendly = windowUtils.getDocumentMetadata("HandheldFriendly");
|
|
if (handheldFriendly == "true")
|
|
return { defaultZoom: dpiScale, autoSize: true };
|
|
|
|
if (content.document instanceof XULDocument)
|
|
return { defaultZoom: 1.0, autoSize: true, allowZoom: false };
|
|
|
|
// HACK: Since we can't set the scale in local tabs (bug 597081), we force
|
|
// them to device-width and scale=1 so they will lay out reasonably.
|
|
if (Util.isParentProcess())
|
|
return { defaultZoom: 1.0, autoSize: true, allowZoom: false };
|
|
|
|
// viewport details found here
|
|
// http://developer.apple.com/safari/library/documentation/AppleApplications/Reference/SafariHTMLRef/Articles/MetaTags.html
|
|
// http://developer.apple.com/safari/library/documentation/AppleApplications/Reference/SafariWebContent/UsingtheViewport/UsingtheViewport.html
|
|
|
|
// Note: These values will be NaN if parseFloat or parseInt doesn't find a number.
|
|
// Remember that NaN is contagious: Math.max(1, NaN) == Math.min(1, NaN) == NaN.
|
|
let viewportScale = parseFloat(windowUtils.getDocumentMetadata("viewport-initial-scale"));
|
|
let viewportMinScale = parseFloat(windowUtils.getDocumentMetadata("viewport-minimum-scale"));
|
|
let viewportMaxScale = parseFloat(windowUtils.getDocumentMetadata("viewport-maximum-scale"));
|
|
let viewportWidthStr = windowUtils.getDocumentMetadata("viewport-width");
|
|
let viewportHeightStr = windowUtils.getDocumentMetadata("viewport-height");
|
|
|
|
viewportScale = Util.clamp(viewportScale, kViewportMinScale, kViewportMaxScale);
|
|
viewportMinScale = Util.clamp(viewportMinScale, kViewportMinScale, kViewportMaxScale);
|
|
viewportMaxScale = Util.clamp(viewportMaxScale, kViewportMinScale, kViewportMaxScale);
|
|
|
|
// If initial scale is 1.0 and width is not set, assume width=device-width
|
|
let autoSize = (viewportWidthStr == "device-width" ||
|
|
viewportHeightStr == "device-height" ||
|
|
(viewportScale == 1.0 && !viewportWidthStr));
|
|
|
|
let viewportWidth = Util.clamp(parseInt(viewportWidthStr), kViewportMinWidth, kViewportMaxWidth);
|
|
let viewportHeight = Util.clamp(parseInt(viewportHeightStr), kViewportMinHeight, kViewportMaxHeight);
|
|
|
|
// Zoom level is the final (device pixel : CSS pixel) ratio for content.
|
|
// Since web content specifies scale as (reference pixel : CSS pixel) ratio,
|
|
// multiply the requested scale by a constant (device pixel : reference pixel)
|
|
// factor to account for high DPI devices.
|
|
//
|
|
// See bug 561445 or any of the examples of chrome/tests/browser_viewport_XX.html
|
|
// for more information and examples.
|
|
let defaultZoom = viewportScale * dpiScale;
|
|
let minZoom = viewportMinScale * dpiScale;
|
|
let maxZoom = viewportMaxScale * dpiScale;
|
|
|
|
return {
|
|
defaultZoom: defaultZoom,
|
|
minZoom: minZoom,
|
|
maxZoom: maxZoom,
|
|
width: viewportWidth,
|
|
height: viewportHeight,
|
|
autoSize: autoSize,
|
|
allowZoom: windowUtils.getDocumentMetadata("viewport-user-scalable") != "no"
|
|
};
|
|
}
|
|
};
|
|
|
|
ViewportHandler.init();
|
|
|
|
|
|
const kXLinkNamespace = "http://www.w3.org/1999/xlink";
|
|
|
|
var ContextHandler = {
|
|
_types: [],
|
|
|
|
_getLinkURL: function ch_getLinkURL(aLink) {
|
|
let href = aLink.href;
|
|
if (href)
|
|
return href;
|
|
|
|
href = aLink.getAttributeNS(kXLinkNamespace, "href");
|
|
if (!href || !href.match(/\S/)) {
|
|
// Without this we try to save as the current doc,
|
|
// for example, HTML case also throws if empty
|
|
throw "Empty href";
|
|
}
|
|
|
|
return Util.makeURLAbsolute(aLink.baseURI, href);
|
|
},
|
|
|
|
_getURI: function ch_getURI(aURL) {
|
|
try {
|
|
return Util.makeURI(aURL);
|
|
} catch (ex) { }
|
|
|
|
return null;
|
|
},
|
|
|
|
_getProtocol: function ch_getProtocol(aURI) {
|
|
if (aURI)
|
|
return aURI.scheme;
|
|
return null;
|
|
},
|
|
|
|
init: function ch_init() {
|
|
addEventListener("contextmenu", this, false);
|
|
},
|
|
|
|
handleEvent: function ch_handleEvent(aEvent) {
|
|
if (aEvent.getPreventDefault())
|
|
return;
|
|
|
|
let state = {
|
|
types: [],
|
|
label: "",
|
|
linkURL: "",
|
|
linkTitle: "",
|
|
linkProtocol: null,
|
|
mediaURL: ""
|
|
};
|
|
|
|
let popupNode = aEvent.originalTarget;
|
|
|
|
// Do checks for nodes that never have children.
|
|
if (popupNode.nodeType == Ci.nsIDOMNode.ELEMENT_NODE) {
|
|
// See if the user clicked on an image.
|
|
if (popupNode instanceof Ci.nsIImageLoadingContent && popupNode.currentURI) {
|
|
state.types.push("image");
|
|
state.label = state.mediaURL = popupNode.currentURI.spec;
|
|
} else if (popupNode instanceof Ci.nsIDOMHTMLVideoElement) {
|
|
state.types.push("video");
|
|
state.label = state.mediaURL = popupNode.src;
|
|
}
|
|
}
|
|
|
|
let elem = popupNode;
|
|
while (elem) {
|
|
if (elem.nodeType == Ci.nsIDOMNode.ELEMENT_NODE) {
|
|
// Link?
|
|
if ((elem instanceof Ci.nsIDOMHTMLAnchorElement && elem.href) ||
|
|
(elem instanceof Ci.nsIDOMHTMLAreaElement && elem.href) ||
|
|
elem instanceof Ci.nsIDOMHTMLLinkElement ||
|
|
elem.getAttributeNS(kXLinkNamespace, "type") == "simple") {
|
|
|
|
// Target is a link or a descendant of a link.
|
|
state.types.push("link");
|
|
state.label = state.linkURL = this._getLinkURL(elem);
|
|
state.linkTitle = popupNode.textContent || popupNode.title;
|
|
state.linkProtocol = this._getProtocol(this._getURI(state.linkURL));
|
|
break;
|
|
}
|
|
}
|
|
|
|
elem = elem.parentNode;
|
|
}
|
|
|
|
for (let i = 0; i < this._types.length; i++)
|
|
if (this._types[i].handler(state, popupNode))
|
|
state.types.push(this._types[i].name);
|
|
|
|
state.messageId = this.messageId;
|
|
|
|
sendAsyncMessage("Browser:ContextMenu", state);
|
|
},
|
|
|
|
/**
|
|
* For add-ons to add new types and data to the ContextMenu message.
|
|
*
|
|
* @param aName A string to identify the new type.
|
|
* @param aHandler A function that takes a state object and a target element.
|
|
* If aHandler returns true, then aName will be added to the list of types.
|
|
* The function may also modify the state object.
|
|
*/
|
|
registerType: function registerType(aName, aHandler) {
|
|
this._types.push({name: aName, handler: aHandler});
|
|
}
|
|
};
|
|
|
|
ContextHandler.init();
|
|
|
|
ContextHandler.registerType("mailto", function(aState, aElement) {
|
|
return aState.linkProtocol == "mailto";
|
|
});
|
|
|
|
ContextHandler.registerType("callto", function(aState, aElement) {
|
|
let protocol = aState.linkProtocol;
|
|
return protocol == "tel" || protocol == "callto" || protocol == "sip" || protocol == "voipto";
|
|
});
|
|
|
|
ContextHandler.registerType("link-saveable", function(aState, aElement) {
|
|
let protocol = aState.linkProtocol;
|
|
return (protocol && protocol != "mailto" && protocol != "javascript" && protocol != "news" && protocol != "snews");
|
|
});
|
|
|
|
ContextHandler.registerType("link-shareable", function(aState, aElement) {
|
|
return Util.isShareableScheme(aState.linkProtocol);
|
|
});
|
|
|
|
["image", "video"].forEach(function(aType) {
|
|
ContextHandler.registerType(aType+"-shareable", function(aState, aElement) {
|
|
if (aState.types.indexOf(aType) == -1)
|
|
return false;
|
|
|
|
let protocol = ContextHandler._getProtocol(ContextHandler._getURI(aState.mediaURL));
|
|
return Util.isShareableScheme(protocol);
|
|
});
|
|
});
|
|
|
|
ContextHandler.registerType("image-loaded", function(aState, aElement) {
|
|
if (aState.types.indexOf("image") != -1) {
|
|
let request = aElement.getRequest(Ci.nsIImageLoadingContent.CURRENT_REQUEST);
|
|
if (request && (request.imageStatus & request.STATUS_SIZE_AVAILABLE))
|
|
return true;
|
|
}
|
|
return false;
|
|
});
|
|
|
|
var FormSubmitObserver = {
|
|
init: function init(){
|
|
addMessageListener("Browser:TabOpen", this);
|
|
addMessageListener("Browser:TabClose", this);
|
|
},
|
|
|
|
receiveMessage: function findHandlerReceiveMessage(aMessage) {
|
|
let json = aMessage.json;
|
|
switch (aMessage.name) {
|
|
case "Browser:TabOpen":
|
|
Services.obs.addObserver(this, "formsubmit", false);
|
|
break;
|
|
case "Browser:TabClose":
|
|
Services.obs.removeObserver(this, "formsubmit", false);
|
|
break;
|
|
}
|
|
},
|
|
|
|
notify: function notify(aFormElement, aWindow, aActionURI, aCancelSubmit) {
|
|
// Do not notify unless this is the window where the submit occurred
|
|
if (aWindow == content)
|
|
// We don't need to send any data along
|
|
sendAsyncMessage("Browser:FormSubmit", {});
|
|
},
|
|
|
|
QueryInterface : function(aIID) {
|
|
if (!aIID.equals(Ci.nsIFormSubmitObserver) &&
|
|
!aIID.equals(Ci.nsISupportsWeakReference) &&
|
|
!aIID.equals(Ci.nsISupports))
|
|
throw Components.results.NS_ERROR_NO_INTERFACE;
|
|
return this;
|
|
}
|
|
};
|
|
|
|
FormSubmitObserver.init();
|
|
|
|
var FindHandler = {
|
|
get _fastFind() {
|
|
delete this._fastFind;
|
|
this._fastFind = Cc["@mozilla.org/typeaheadfind;1"].createInstance(Ci.nsITypeAheadFind);
|
|
this._fastFind.init(docShell);
|
|
return this._fastFind;
|
|
},
|
|
|
|
init: function findHandlerInit() {
|
|
addMessageListener("FindAssist:Find", this);
|
|
addMessageListener("FindAssist:Next", this);
|
|
addMessageListener("FindAssist:Previous", this);
|
|
},
|
|
|
|
receiveMessage: function findHandlerReceiveMessage(aMessage) {
|
|
let findResult = Ci.nsITypeAheadFind.FIND_NOTFOUND;
|
|
let json = aMessage.json;
|
|
switch (aMessage.name) {
|
|
case "FindAssist:Find":
|
|
findResult = this._fastFind.find(json.searchString, false);
|
|
break;
|
|
|
|
case "FindAssist:Previous":
|
|
findResult = this._fastFind.findAgain(true, false);
|
|
break;
|
|
|
|
case "FindAssist:Next":
|
|
findResult = this._fastFind.findAgain(false, false);
|
|
break;
|
|
}
|
|
|
|
if (findResult == Ci.nsITypeAheadFind.FIND_NOTFOUND) {
|
|
sendAsyncMessage("FindAssist:Show", { rect: null , result: findResult });
|
|
return;
|
|
}
|
|
|
|
let selection = this._fastFind.currentWindow.getSelection();
|
|
if (!selection.rangeCount) {
|
|
// The selection can be into an input or a textarea element
|
|
let nodes = content.document.querySelectorAll("input[type='text'], textarea");
|
|
for (let i = 0; i < nodes.length; i++) {
|
|
let node = nodes[i];
|
|
if (node instanceof Ci.nsIDOMNSEditableElement && node.editor) {
|
|
selection = node.editor.selectionController.getSelection(Ci.nsISelectionController.SELECTION_NORMAL);
|
|
if (selection.rangeCount)
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
let scroll = Util.getScrollOffset(content);
|
|
for (let frame = this._fastFind.currentWindow; frame != content; frame = frame.parent) {
|
|
let rect = frame.frameElement.getBoundingClientRect();
|
|
let left = frame.getComputedStyle(frame.frameElement, "").borderLeftWidth;
|
|
let top = frame.getComputedStyle(frame.frameElement, "").borderTopWidth;
|
|
scroll.add(rect.left + parseInt(left), rect.top + parseInt(top));
|
|
}
|
|
|
|
let rangeRect = selection.getRangeAt(0).getBoundingClientRect();
|
|
let rect = new Rect(scroll.x + rangeRect.left, scroll.y + rangeRect.top, rangeRect.width, rangeRect.height);
|
|
sendAsyncMessage("FindAssist:Show", { rect: rect.isEmpty() ? null: rect , result: findResult });
|
|
}
|
|
};
|
|
|
|
FindHandler.init();
|