1 files changed, 183 insertions, 0 deletions
diff --git a/webbrowser/components/statusbar/Progress.jsm b/webbrowser/components/statusbar/Progress.jsm
new file mode 100644
index 0000000..69d55db
--- /dev/null
+++ b/webbrowser/components/statusbar/Progress.jsm
@@ -0,0 +1,183 @@
+/* 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 = ["S4EProgressService"];
+
+const CI = Components.interfaces;
+const CU = Components.utils;
+
+CU.import("resource://gre/modules/XPCOMUtils.jsm");
+
+function S4EProgressService(gBrowser, service, getters, statusService) {
+  this._gBrowser = gBrowser;
+  this._service = service;
+  this._getters = getters;
+  this._statusService = statusService;
+
+  this._gBrowser.addProgressListener(this);
+}
+
+S4EProgressService.prototype =
+{
+  _gBrowser:      null,
+  _service:       null,
+  _getters:       null,
+  _statusService: null,
+
+  _busyUI:        false,
+
+  set value(val)
+  {
+    let toolbar_progress = this._getters.toolbarProgress;
+    if(toolbar_progress)
+    {
+      toolbar_progress.value = val;
+    }
+
+    let throbber_progress = this._getters.throbberProgress;
+    if(throbber_progress)
+    {
+      if(val)
+      {
+        throbber_progress.setAttribute("progress", val);
+      }
+      else
+      {
+        throbber_progress.removeAttribute("progress");
+      }
+    }
+  },
+
+  set collapsed(val)
+  {
+    let toolbar_progress = this._getters.toolbarProgress;
+    if(toolbar_progress)
+    {
+      toolbar_progress.collapsed = val;
+    }
+
+    let throbber_progress = this._getters.throbberProgress;
+    if(throbber_progress)
+    {
+      if(val)
+      {
+        throbber_progress.removeAttribute("busy");
+      }
+      else
+      {
+        throbber_progress.setAttribute("busy", true);
+      }
+    }
+  },
+
+  destroy: function()
+  {
+    this._gBrowser.removeProgressListener(this);
+
+    ["_gBrowser", "_service", "_getters", "_statusService"].forEach(function(prop)
+    {
+      delete this[prop];
+    }, this);
+  },
+
+  onStatusChange: function(aWebProgress, aRequest, aStatus, aMessage)
+  {
+    this._statusService.setNetworkStatus(aMessage, this._busyUI);
+  },
+
+  onStateChange: function(aWebProgress, aRequest, aStateFlags, aStatus)
+  {
+    let nsIWPL = CI.nsIWebProgressListener;
+
+    if(!this._busyUI
+    && aStateFlags & nsIWPL.STATE_START
+    && aStateFlags & nsIWPL.STATE_IS_NETWORK
+    && !(aStateFlags & nsIWPL.STATE_RESTORING))
+    {
+      this._busyUI = true;
+      this.value = 0;
+      this.collapsed = false;
+    }
+    else if(aStateFlags & nsIWPL.STATE_STOP)
+    {
+      if(aRequest)
+      {
+        let msg = "";
+        let location;
+        if(aRequest instanceof CI.nsIChannel || "URI" in aRequest)
+        {
+          location = aRequest.URI;
+          if(location.spec != "about:blank")
+          {
+            switch (aStatus)
+            {
+              case Components.results.NS_BINDING_ABORTED:
+                msg = this._getters.strings.getString("nv_stopped");
+                break;
+              case Components.results.NS_ERROR_NET_TIMEOUT:
+                msg = this._getters.strings.getString("nv_timeout");
+                break;
+            }
+          }
+        }
+
+        if(!msg && (!location || location.spec != "about:blank"))
+        {
+          msg = this._getters.strings.getString("nv_done");
+        }
+
+        this._statusService.setDefaultStatus(msg);
+        this._statusService.setNetworkStatus("", this._busyUI);
+      }
+
+      if(this._busyUI)
+      {
+        this._busyUI = false;
+        this.collapsed = true;
+        this.value = 0;
+      }
+    }
+  },
+
+  onUpdateCurrentBrowser: function(aStateFlags, aStatus, aMessage, aTotalProgress)
+  {
+    let nsIWPL = CI.nsIWebProgressListener;
+    let loadingDone = aStateFlags & nsIWPL.STATE_STOP;
+
+    this.onStateChange(
+      this._gBrowser.webProgress,
+      { URI: this._gBrowser.currentURI },
+      ((loadingDone ? nsIWPL.STATE_STOP : nsIWPL.STATE_START) | (aStateFlags & nsIWPL.STATE_IS_NETWORK)),
+      aStatus
+    );
+
+    if(!loadingDone)
+    {
+      this.onProgressChange(this._gBrowser.webProgress, null, 0, 0, aTotalProgress, 1);
+      this.onStatusChange(this._gBrowser.webProgress, null, 0, aMessage);
+    }
+  },
+
+  onProgressChange: function(aWebProgress, aRequest, aCurSelfProgress, aMaxSelfProgress, aCurTotalProgress, aMaxTotalProgress)
+  {
+    if (aMaxTotalProgress > 0 && this._busyUI)
+    {
+      // This is highly optimized.  Don't touch this code unless
+      // you are intimately familiar with the cost of setting
+      // attrs on XUL elements. -- hyatt
+      let percentage = (aCurTotalProgress * 100) / aMaxTotalProgress;
+      this.value = percentage;
+    }
+  },
+
+  onProgressChange64: function(aWebProgress, aRequest, aCurSelfProgress, aMaxSelfProgress, aCurTotalProgress, aMaxTotalProgress)
+  {
+    return this.onProgressChange(aWebProgress, aRequest, aCurSelfProgress, aMaxSelfProgress, aCurTotalProgress, aMaxTotalProgress);
+  },
+
+  QueryInterface: XPCOMUtils.generateQI([ CI.nsIWebProgressListener, CI.nsIWebProgressListener2 ])
+};
+