1 files changed, 492 insertions, 0 deletions
diff --git a/webbrowser/components/statusbar/Status.jsm b/webbrowser/components/statusbar/Status.jsm
new file mode 100644
index 0000000..dbdd1fc
--- /dev/null
+++ b/webbrowser/components/statusbar/Status.jsm
@@ -0,0 +1,492 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+const EXPORTED_SYMBOLS = ["S4EStatusService"];
+
+const CU = Components.utils;
+
+CU.import("resource://gre/modules/Services.jsm");
+CU.import("resource://gre/modules/XPCOMUtils.jsm");
+
+function S4EStatusService(window, service, getters)
+{
+  this._window = window;
+  this._service = service;
+  this._getters = getters;
+
+  this._overLinkService = new S4EOverlinkService(this._window, this._service, this);
+}
+
+S4EStatusService.prototype =
+{
+  _window:                 null,
+  _service:                null,
+  _getters:                null,
+  _overLinkService:        null,
+
+  _overLink:               { val: "", type: "" },
+  _network:                { val: "", type: "" },
+  _networkXHR:             { val: "", type: "" },
+  _status:                 { val: "", type: "" },
+  _jsStatus:               { val: "", type: "" },
+  _defaultStatus:          { val: "", type: "" },
+
+  _isFullScreen:           false,
+  _isVideo:                false,
+
+  _statusText:             { val: "", type: "" },
+  _noUpdate:               false,
+  _statusChromeTimeoutID:  0,
+  _statusContentTimeoutID: 0,
+
+  getCompositeStatusText: function()
+  {
+    return this._statusText.val;
+  },
+
+  getStatusText: function()
+  {
+    return this._status.val;
+  },
+
+  setNetworkStatus: function(status, busy)
+  {
+    if(busy)
+    {
+      this._network = { val: status, type: "network" };
+      this._networkXHR = { val: "", type: "network xhr" };
+    }
+    else
+    {
+      this._networkXHR = { val: status, type: "network xhr" };
+    }
+    this.updateStatusField();
+  },
+
+  setStatusText: function(status)
+  {
+    this._status = { val: status, type: "status chrome" };
+    this.updateStatusField();
+  },
+
+  setJSStatus: function(status)
+  {
+    this._jsStatus = { val: status, type: "status content" };
+    this.updateStatusField();
+  },
+
+  setJSDefaultStatus: function(status)
+  {
+    // This was removed from Firefox in Bug 862917
+  },
+
+  setDefaultStatus: function(status)
+  {
+    this._defaultStatus = { val: status, type: "status chrome default" };
+    this.updateStatusField();
+  },
+
+  setOverLink: function(link, aAnchor)
+  {
+    this._overLinkService.update(link, aAnchor);
+  },
+
+  setOverLinkInternal: function(link, aAnchor)
+  {
+    let status = this._service.status;
+    let statusLinkOver = this._service.statusLinkOver;
+
+    if(statusLinkOver)
+    {
+      link = link.replace(/[\u200e\u200f\u202a\u202b\u202c\u202d\u202e]/g, encodeURIComponent);
+      if(status == statusLinkOver)
+      {
+        this._overLink = { val: link, type: "overLink", anchor: aAnchor };
+        this.updateStatusField();
+      }
+      else
+      {
+        this.setStatusField(statusLinkOver, { val: link, type: "overLink", anchor: aAnchor }, true);
+      }
+    }
+  },
+
+  setNoUpdate: function(nu)
+  {
+    this._noUpdate = nu;
+  },
+
+  buildBinding: function() {
+  
+    // Object.prototype.watch() shim, based on Eli Grey's polyfill    
+    // object.watch
+    if (!this._window.XULBrowserWindow.watch) {
+      Object.defineProperty(this._window.XULBrowserWindow, "watch", {
+        enumerable: false,
+        configurable: true,
+        writable: false,
+        value: function (prop, handler) {
+          var oldval = this[prop],
+              newval = oldval,
+              getter = function () {
+                return newval;
+              },
+              setter = function (val) {
+                oldval = newval;
+                return newval = handler.call(this, prop, oldval, val);
+              }
+            ;
+
+          try {
+            if (delete this[prop]) { // can't watch constants
+              Object.defineProperty(this, prop, {
+                get: getter,
+                set: setter,
+                enumerable: true,
+                configurable: true
+              });
+            }
+          } catch(e) {
+            // This fails fatally on non-configurable props, so just
+            // ignore errors if it does.
+          }
+        }
+      });
+    }
+
+    // object.unwatch
+    if (!this._window.XULBrowserWindow.unwatch) {
+      Object.defineProperty(this._window.XULBrowserWindow, "unwatch", {
+        enumerable: false,
+        configurable: true,
+        writable: false,
+        value: function (prop) {
+          var val = this[prop];
+          delete this[prop]; // remove accessors
+          this[prop] = val;
+        }
+      });
+    }
+  
+    let XULBWPropHandler = function(prop, oldval, newval) {
+      CU.reportError("Attempt to modify XULBrowserWindow." + prop);
+      return oldval;
+    };
+
+    ["updateStatusField", "onStatusChange"].forEach(function(prop)
+    {
+      this._window.XULBrowserWindow.unwatch(prop);
+      this._window.XULBrowserWindow[prop] = function() {};
+      this._window.XULBrowserWindow.watch(prop, XULBWPropHandler);
+    }, this);
+
+    ["getCompositeStatusText", "getStatusText", "setStatusText", "setJSStatus",
+    "setJSDefaultStatus", "setDefaultStatus", "setOverLink"].forEach(function(prop)
+    {
+      this._window.XULBrowserWindow.unwatch(prop);
+      this._window.XULBrowserWindow[prop] = this[prop].bind(this);
+      this._window.XULBrowserWindow.watch(prop, XULBWPropHandler);
+    }, this);
+  },
+
+  destroy: function()
+  {
+    // No need to unbind from the XULBrowserWindow, it's already null at this point
+
+    this.clearTimer("_statusChromeTimeoutID");
+    this.clearTimer("_statusContentTimeoutID");
+
+    this._overLinkService.destroy();
+
+    ["_overLink", "_network", "_networkXHR", "_status", "_jsStatus", "_defaultStatus",
+    "_statusText", "_window", "_service", "_getters", "_overLinkService"].forEach(function(prop)
+    {
+      delete this[prop];
+    }, this);
+  },
+
+  buildTextOrder: function()
+  {
+    this.__defineGetter__("_textOrder", function()
+    {
+      let textOrder = ["_overLink"];
+      if(this._service.statusNetwork)
+      {
+        textOrder.push("_network");
+        if(this._service.statusNetworkXHR)
+        {
+          textOrder.push("_networkXHR");
+        }
+      }
+      textOrder.push("_status", "_jsStatus");
+      if(this._service.statusDefault)
+      {
+        textOrder.push("_defaultStatus");
+      }
+
+      delete this._textOrder;
+      return this._textOrder = textOrder;
+    });
+  },
+
+  updateStatusField: function(force)
+  {
+    let text = { val: "", type: "" };
+    for(let i = 0; !text.val && i < this._textOrder.length; i++)
+    {
+      text = this[this._textOrder[i]];
+    }
+
+    if(this._statusText.val != text.val || force)
+    {
+      if(this._noUpdate)
+      {
+        return;
+      }
+
+      this._statusText = text;
+
+      this.setStatusField(this._service.status, text, false);
+
+      if(text.val && this._service.statusTimeout)
+      {
+        this.setTimer(text.type);
+      }
+    }
+  },
+
+  setFullScreenState: function(isFullScreen, isVideo)
+  {
+    this._isFullScreen = isFullScreen;
+    this._isVideo = isFullScreen && isVideo;
+
+    this.clearStatusField();
+    this.updateStatusField(true);
+  },
+
+  setTimer: function(type)
+  {
+    let typeArgs = type.split(" ", 3);
+
+    if(typeArgs.length < 2 || typeArgs[0] != "status")
+    {
+      return;
+    }
+
+    if(typeArgs[1] == "chrome")
+    {
+      this.clearTimer("_statusChromeTimeoutID");
+      this._statusChromeTimeoutID = this._window.setTimeout(function(self, isDefault)
+      {
+        self._statusChromeTimeoutID = 0;
+        if(isDefault)
+        {
+          self.setDefaultStatus("");
+        }
+        else
+        {
+          self.setStatusText("");
+        }
+      }, this._service.statusTimeout, this, (typeArgs.length == 3 && typeArgs[2] == "default"));
+    }
+    else
+    {
+      this.clearTimer("_statusContentTimeoutID");
+      this._statusContentTimeoutID = this._window.setTimeout(function(self)
+      {
+        self._statusContentTimeoutID = 0;
+        self.setJSStatus("");
+      }, this._service.statusTimeout, this);
+    }
+  },
+
+  clearTimer: function(timerName)
+  {
+    if(this[timerName] != 0)
+    {
+      this._window.clearTimeout(this[timerName]);
+      this[timerName] = 0;
+    }
+  },
+
+  clearStatusField: function()
+  {
+    this._getters.statusOverlay.value = "";
+
+    let status_label = this._getters.statusWidgetLabel;
+    if(status_label)
+    {
+      status_label.value = "";
+    }
+
+  },
+
+  setStatusField: function(location, text, allowTooltip)
+  {
+    if(!location)
+    {
+      return;
+    }
+
+    let label = null;
+
+    if(this._isFullScreen)
+    {
+      switch(location)
+      {
+        case 1: // Toolbar
+          location = 3
+          break;
+        case 2: // URL bar
+          if(Services.prefs.getBoolPref("browser.fullscreen.autohide"))
+          {
+            location = 3
+          }
+          break;
+      }
+    }
+
+    switch(location)
+    {
+      case 1: // Toolbar
+        label = this._getters.statusWidgetLabel;
+        break;
+      case 2: // URL Bar
+        break;
+      case 3: // Popup
+      default:
+        if(this._isVideo)
+        {
+          return;
+        }
+        label = this._getters.statusOverlay;
+        break;
+    }
+
+    if(label)
+    {
+      label.setAttribute("previoustype", label.getAttribute("type"));
+      label.setAttribute("type", text.type);
+      label.value = text.val;
+      label.setAttribute("crop", text.type == "overLink" ? "center" : "end");
+    }
+  }
+};
+
+function S4EOverlinkService(window, service, statusService) {
+  this._window = window;
+  this._service = service;
+  this._statusService = statusService;
+}
+
+S4EOverlinkService.prototype =
+{
+  _window:        null,
+  _service:       null,
+  _statusService: null,
+
+  _timer:         0,
+  _currentLink:   { link: "", anchor: null },
+  _pendingLink:   { link: "", anchor: null },
+  _listening:     false,
+
+  update: function(aLink, aAnchor)
+  {
+    this.clearTimer();
+    this.stopListen();
+    this._pendingLink = { link: aLink, anchor: aAnchor };
+
+    if(!aLink)
+    {
+      if(this._window.XULBrowserWindow.hideOverLinkImmediately || !this._service.statusLinkOverDelayHide)
+      {
+        this._show();
+      }
+      else
+      {
+        this._showDelayed();
+      }
+    }
+    else if(this._currentLink.link || !this._service.statusLinkOverDelayShow)
+    {
+      this._show();
+    }
+    else
+    {
+      this._showDelayed();
+      this.startListen();
+    }
+  },
+
+  destroy: function()
+  {
+    this.clearTimer();
+    this.stopListen();
+
+    ["_currentLink", "_pendingLink",  "_statusService", "_window"].forEach(function(prop)
+    {
+      delete this[prop];
+    }, this);
+  },
+
+  startListen: function()
+  {
+    if(!this._listening)
+    {
+      this._window.addEventListener("mousemove", this, true);
+      this._listening = true;
+    }
+  },
+
+  stopListen: function()
+  {
+    if(this._listening)
+    {
+      this._window.removeEventListener("mousemove", this, true);
+      this._listening = false;
+    }
+  },
+
+  clearTimer: function()
+  {
+    if(this._timer != 0)
+    {
+      this._window.clearTimeout(this._timer);
+      this._timer = 0;
+    }
+  },
+
+  handleEvent: function(event)
+  {
+    switch(event.type)
+    {
+      case "mousemove":
+        this.clearTimer();
+        this._showDelayed();
+    }
+  },
+
+  _showDelayed: function()
+  {
+    let delay = ((this._pendingLink.link)
+      ? this._service.statusLinkOverDelayShow
+      : this._service.statusLinkOverDelayHide);
+
+    this._timer = this._window.setTimeout(function(self)
+    {
+      self._timer = 0;
+      self._show();
+      self.stopListen();
+    }, delay, this);
+  },
+
+  _show: function()
+  {
+    this._currentLink = this._pendingLink;
+    this._statusService.setOverLinkInternal(this._currentLink.link, this._currentLink.anchor);
+  }
+};
+