Bug 465284: Open link in new tab [r=mark.finkle]

mobile/chrome/content/InputHandler.js

@@ -406,9 +406,10 @@ InputHandler.EventInfo.prototype = {
  * customClicker will be notified.  The customClicker must support the following
  * interface:
  *
- *   singleClick(cx, cy)
+ *   singleClick(cx, cy, modifiers)
  *     Signals a single (as opposed to double) click occured at client
- *     coordinates cx, cy
+ *     coordinates cx, cy.  Specify optional modifiers to include
+ *     shift-keys with click.
  *
  *   doubleClick(cx1, cy1, cx2, cy2)
  *     Signals a doubleclick occured, with the first click at client coordinates
@@ -689,7 +690,14 @@ MouseModule.prototype = {
 
     let ev = this._downUpEvents[1].event;
     this._cleanClickBuffer(2);
-    this._clicker.singleClick(ev.clientX, ev.clientY);
+
+    // borrowed from nsIDOMNSEvent.idl
+    let modifiers =
+      (ev.altKey   ? Ci.nsIDOMNSEvent.ALT_MASK     : 0) |
+      (ev.ctrlKey  ? Ci.nsIDOMNSEvent.CONTROL_MASK : 0) |
+      (ev.shiftKey ? Ci.nsIDOMNSEvent.SHIFT_MASK   : 0) |
+      (ev.metaKey  ? Ci.nsIDOMNSEvent.META_MASK    : 0);
+    this._clicker.singleClick(ev.clientX, ev.clientY, modifiers);
   },
 
   /**

mobile/chrome/content/Util.js

@@ -85,6 +85,28 @@ let Util = {
         aFunc();
       }
     }, Ci.nsIThread.DISPATCH_NORMAL);
+  },
+
+  getHrefForElement: function getHrefForElement(target) {
+    // XXX: This is kind of a hack to work around a Gecko bug (see bug 266932)
+    // We're going to walk up the DOM looking for a parent link node.
+    // This shouldn't be necessary, but we're matching the existing behaviour for left click
+
+    let link = null;
+    while (target) {
+      if (target instanceof HTMLAnchorElement || 
+          target instanceof HTMLAreaElement ||
+          target instanceof HTMLLinkElement) {
+          if (target.hasAttribute("href"))
+            link = target;
+      }
+      target = target.parentNode;
+    }
+
+    if (link && link.hasAttribute("href"))
+      return link.href;
+    else
+      return null;
   }
 
 };

mobile/chrome/content/browser.js

@@ -1524,9 +1524,18 @@ ContentCustomClicker.prototype = {
     mouseUp: function mouseUp(cX, cY) {
     },
 
-    singleClick: function singleClick(cX, cY) {
+    singleClick: function singleClick(cX, cY, modifiers) {
-      this._dispatchMouseEvent("mousedown", cX, cY);
+      if (modifiers == 0) {
-      this._dispatchMouseEvent("mouseup", cX, cY);
+        this._dispatchMouseEvent("mousedown", cX, cY);
+        this._dispatchMouseEvent("mouseup", cX, cY);
+      }
+      else if (modifiers == Ci.nsIDOMNSEvent.CONTROL_MASK) {
+        let [elementX, elementY] = Browser.transformClientToBrowser(cX, cY);
+        let element = Browser.elementFromPoint(elementX, elementY);
+        let uri = Util.getHrefForElement(element);
+        if (uri)
+          Browser.addTab(uri, false);
+      }
     },
 
     doubleClick: function doubleClick(cX1, cY1, cX2, cY2) {