From 77a9bac69152a5a1360f1753dbcd8fa510effb38 Mon Sep 17 00:00:00 2001
From: Simon Kornblith <simon@simonster.com>
Date: Tue, 17 Jan 2012 01:49:45 -0500
Subject: [PATCH] Fix window dragging on Windows, because for some reason the
 jsm doesn't work properly

---
 .../content/zotero/integration/quickFormat.js |   2 +
 .../zotero/integration/quickFormat.xul        |   7 +-
 .../zotero/integration/windowDraggingUtils.js | 118 ++++++++++++++++++
 3 files changed, 124 insertions(+), 3 deletions(-)
 create mode 100644 chrome/content/zotero/integration/windowDraggingUtils.js

diff --git a/chrome/content/zotero/integration/quickFormat.js b/chrome/content/zotero/integration/quickFormat.js
index ca3725154..1491ac0bb 100644
--- a/chrome/content/zotero/integration/quickFormat.js
+++ b/chrome/content/zotero/integration/quickFormat.js
@@ -49,6 +49,8 @@ var Zotero_QuickFormat = new function () {
 				document.documentElement.setAttribute("hidechrome", true);
 			}
 			
+			new WindowDraggingElement(document.getElementById("quick-format-dialog"), window);
+			
 			qfs = document.getElementById("quick-format-search");
 			qfi = document.getElementById("quick-format-iframe");
 			qfb = document.getElementById("quick-format-entry");
diff --git a/chrome/content/zotero/integration/quickFormat.xul b/chrome/content/zotero/integration/quickFormat.xul
index fb5df04ec..b82478f9d 100644
--- a/chrome/content/zotero/integration/quickFormat.xul
+++ b/chrome/content/zotero/integration/quickFormat.xul
@@ -40,9 +40,10 @@
 	onkeypress="Zotero_QuickFormat.onKeyPress(event)">
 	
 	<script src="../include.js"/>
-	<script src="quickFormat.js"/>
+	<script src="windowDraggingUtils.js" type="text/javascript;version=1.8"/>
+	<script src="quickFormat.js" type="text/javascript;version=1.8"/>
 	
-	<windowdragbox orient="horizontal" id="quick-format-entry"> 
+	<box orient="horizontal" id="quick-format-entry"> 
 		<deck id="quick-format-deck" selectedIndex="0" flex="1">
 			<hbox id="quick-format-search" flex="1" align="start">
 				<hbox flex="1">
@@ -64,7 +65,7 @@
 			</hbox>
 			<progressmeter id="quick-format-progress-meter" mode="undetermined" value="0" flex="1"/>
 		</deck>
-	</windowdragbox>
+	</box>
 	<panel id="quick-format-reference-panel" noautofocus="true" norestorefocus="true" noautohide="true" height="0">
 		<richlistbox id="quick-format-reference-list" flex="1"/>
 	</panel>
diff --git a/chrome/content/zotero/integration/windowDraggingUtils.js b/chrome/content/zotero/integration/windowDraggingUtils.js
new file mode 100644
index 000000000..bbcc23b09
--- /dev/null
+++ b/chrome/content/zotero/integration/windowDraggingUtils.js
@@ -0,0 +1,118 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org Code.
+ *
+ * The Initial Developer of the Original Code is
+ * Markus Stange <mstange@themasta.com>.
+ * Portions created by the Initial Developer are Copyright (C) 2008
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+let EXPORTED_SYMBOLS = [ "WindowDraggingElement" ];
+
+function WindowDraggingElement(elem, window) {
+  this._elem = elem;
+  this._window = window;
+  this._elem.addEventListener("mousedown", this, false);
+}
+
+WindowDraggingElement.prototype = {
+  mouseDownCheck: function(e) { return true; },
+  dragTags: ["box", "hbox", "vbox", "spacer", "label", "statusbarpanel", "stack",
+             "toolbaritem", "toolbarseparator", "toolbarspring", "toolbarspacer",
+             "radiogroup", "deck", "scrollbox", "arrowscrollbox", "tabs"],
+  shouldDrag: function(aEvent) {
+    if (aEvent.button != 0 ||
+        this._window.fullScreen ||
+        !this.mouseDownCheck.call(this._elem, aEvent) ||
+        aEvent.getPreventDefault())
+      return false;
+
+    let target = aEvent.originalTarget, parent = aEvent.originalTarget;
+
+    // The target may be inside an embedded iframe or browser. (bug 615152)
+    if (target.ownerDocument.defaultView != this._window)
+      return false;
+
+    while (parent != this._elem) {
+      let mousethrough = parent.getAttribute("mousethrough");
+      if (mousethrough == "always")
+        target = parent.parentNode;
+      else if (mousethrough == "never")
+        break;
+      parent = parent.parentNode;
+    }
+    while (target != this._elem) {
+      if (this.dragTags.indexOf(target.localName) == -1)
+        return false;
+      target = target.parentNode;
+    }
+    return true;
+  },
+  isPanel : function() {
+    return this._elem instanceof Components.interfaces.nsIDOMXULElement &&
+           this._elem.localName == "panel";
+  },
+  handleEvent: function(aEvent) {
+    let isPanel = this.isPanel();
+
+    switch (aEvent.type) {
+      case "mousedown":
+        if (!this.shouldDrag(aEvent))
+          return;
+
+        if (isPanel) {
+          let screenRect = this._elem.getOuterScreenRect();
+          this._deltaX = aEvent.screenX - screenRect.left;
+          this._deltaY = aEvent.screenY - screenRect.top;
+        }
+        else {
+          this._deltaX = aEvent.screenX - this._window.screenX;
+          this._deltaY = aEvent.screenY - this._window.screenY;
+        }
+        this._draggingWindow = true;
+        this._window.addEventListener("mousemove", this, false);
+        this._window.addEventListener("mouseup", this, false);
+        break;
+      case "mousemove":
+        if (this._draggingWindow) {
+          let toDrag = this.isPanel() ? this._elem : this._window;
+          toDrag.moveTo(aEvent.screenX - this._deltaX, aEvent.screenY - this._deltaY);
+        }
+        break;
+      case "mouseup":
+        if (this._draggingWindow) {
+          this._draggingWindow = false;
+          this._window.removeEventListener("mousemove", this, false);
+          this._window.removeEventListener("mouseup", this, false);
+        }
+        break;
+    }
+  }
+}