gecko-dev/dom/ipc/test.xul

<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
        width="800" height="800" orient="vertical" onload="initRemoteFrameScript();">
  <script>

    function dumpClientRect(r) {
      dump(r.left + "," + r.top + "," + r.right + "," +
           r.bottom + "," + r.width + "," + r.height + "\n");
    }

    function handleMozAfterPaint(e) {
      return;
      dump(e.type + "\n")
      var rects = e.clientRects;
      var i;
      dump("\tclientRects:\n");
      for (i = 0; i &lt; rects.length; ++i) {
        var r = rects.item(i);
        dump("\t\t");
        dumpClientRect(rects.item(i));
      }

      dump("\tboundingClientRect\n\t\t");
      dumpClientRect(e.boundingClientRect);

      var paintRequests = e.paintRequests;
      dump("\tpaintRequests\n");
      for (i = 0; i &lt; paintRequests.length; ++i) {
        var pr = paintRequests.item(i);
        dump("\t\t");
        dumpClientRect(pr.clientRect);
        if (pr.reason)
          dump("\t\t" + pr.reason + "\n");
      }
    }

    function handleMozScrolledAreaChanged(e) {
      return;
      dump(e.type + "\n");
      dump("\t" + e.x + "," + e.y + "," + e.width + "," + e.height + "\n");
    }

    function restart() {
      var y = document.getElementById('page');
      var p = y.parentNode;
      p.removeChild(y);
      p.appendChild(y);

      var fl = y.QueryInterface(Components.interfaces.nsIFrameLoaderOwner).frameLoader;
      fl.activateFrameEvent("MozAfterPaint", true);
      fl.activateFrameEvent("MozScrolledAreaChanged", true);
      y.addEventListener("MozAfterPaint", handleMozAfterPaint, true);
      y.addEventListener("MozScrolledAreaChanged", handleMozScrolledAreaChanged, true);
    }
    
    function loadURL(url) {
      document.getElementById('page').setAttribute('src', url);
    }

    function randomClick() {
       // First focus the remote frame, then dispatch click. This way remote frame gets focus before
       // mouse event.
       document.getElementById('page').QueryInterface(Components.interfaces.nsIFrameLoaderOwner)
                                      .frameLoader.activateRemoteFrame();
       var frameLoader = document.getElementById('page').QueryInterface(Components.interfaces.nsIFrameLoaderOwner).frameLoader;
       var x = parseInt(Math.random() * 100);
       var y = parseInt(Math.random() * 100);
       frameLoader.sendCrossProcessMouseEvent("mousedown", x, y, 0, 1, 0, false);
       frameLoader.sendCrossProcessMouseEvent("mouseup", x, y, 0, 1, 0, false);
     }

    function openWindow() {
      window.open('chrome://global/content/test-ipc.xul', '_blank', 'chrome,resizable,width=800,height=800');
    }
    
    function closeWindow() {
      window.close();
    }

    function initRemoteFrameScript() {
      // 1. Test that loading a script works
      messageManager.loadFrameScript("chrome://global/content/remote-test-ipc.js", true);

      // 2. Test that adding message listener works, and that receiving a sync message works.
      messageManager.addMessageListener("linkclick",
        function(m) {
          document.getElementById("messageLog").value = m.name + ": " + m.json.href;
          return { message: "linkclick-received" };
        });

      // 3. Test that returning multiple json results works.
      messageManager.addMessageListener("linkclick",
        function(m) {
          return { message: "linkclick-received" };
        });

      // 4. Test that receiving an async message works.
      //    Test also that sending async message to content works.
      messageManager.addMessageListener("linkclick-reply-object",
        function(m) {
           var s = (m.json.message == "linkclick-received") ? "PASS" : "FAIL";
           messageManager.sendAsyncMessage("chrome-message", { ok : s } );
        });

      // 5. Final test to check that everything went ok.
      messageManager.addMessageListener("chrome-message-reply",
        function(m) {
          // Check that 'this' value is handled correctly.
          if (this == document.getElementById("page")) {
            // Check that the message properties are enumerable.
            var hasName = false;
            var hasSync = false;
            var hasJSON = false;
            for (i in m) {
              if (i == "name") {
                hasName = true;
              } else if (i == "sync") {
                hasSync = true;
              } else if (i == "json") {
                hasJSON = true;
              }
            }
            if (hasName &amp;&amp; hasSync &amp;&amp; hasJSON) {
              document.getElementById("messageLog").value += ", " + m.json.ok;
            }
          }
        });
    }

    var speedTestStartTime = 0;
    var speedTestCount = 0;
    function messageSpeed() {
      speedTestCount = 0;
      messageManager.addMessageListener("speed-test", speedHandler);
      messageManager.sendAsyncMessage("speed-test-start");
    }

    function speedHandler() {
      if (!speedTestCount) {
        speedTestStartTime = new Date().getTime();
      }
      if (++speedTestCount == 1000) {
        setTimeout("alert('" + speedTestCount + " in "  + (new Date().getTime() - speedTestStartTime) +  "ms')", 0);
        return { message: "done" };
      }
      return { message: "continue" };
    }

    var addRemoveTestCount = 0;

    function echoListener() {
      if (++addRemoveTestCount == 1) {
        alert("Expected echo message");
        messageManager.removeMessageListener("async-echo", echoListener);
        messageManager.sendAsyncMessage("async-echo");
        return;
      }
      alert("Unexpected echo message");
    }

    function listenerAddRemove() {
      addRemoveTestCount = 0;
      messageManager.addMessageListener("async-echo", echoListener);
      messageManager.sendAsyncMessage("async-echo");
    }
  </script>

  <toolbar id="controls">
    <toolbarbutton label="Back"/>
    <toolbarbutton label="Forward"/>
    <textbox onchange="loadURL(this.value)" flex="1" id="URL"/>
  </toolbar>
  <toolbar>
    <toolbarbutton onclick="restart()" label="Recover"/>
    <toolbarbutton onclick="randomClick()" label="random click"/>
    <toolbarbutton onclick="messageSpeed()" label="test message handling speed"/>
    <toolbarbutton onclick="listenerAddRemove()" label="test listener add/remove"/>
    <toolbarbutton onclick="openWindow()" label="open new window"/>
    <toolbarbutton onclick="closeWindow()" label="close this window"/>
  </toolbar>
  <toolbar><label value="Load a script (URL) to content process:"/>
    <textbox flex="1" id="script"/><button
      label="send" oncommand="document.getElementById('page').QueryInterface(Components.interfaces.nsIFrameLoaderOwner).frameLoader.
                              messageManager.loadFrameScript(this.previousSibling.value, false);"/>
  </toolbar>
  <toolbar>
    <label value="Eval script in chrome context"/>
    <textbox flex="1"/><button label="run" oncommand="eval(this.previousSibling.value);"/>
  </toolbar>

  <browser type="content" src="http://www.google.com/" flex="1" id="page" remote="true"
           onfocus="this.QueryInterface(Components.interfaces.nsIFrameLoaderOwner).frameLoader.activateRemoteFrame();"/>
  <label id="messageLog" value="" crop="center"/>
</window>