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Unified Diff: native_client_sdk/src/examples/dlopen/dlopen.html

Issue 10539082: Add DSC files for the various examples. (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: Created 8 years, 6 months ago
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Index: native_client_sdk/src/examples/dlopen/dlopen.html
===================================================================
--- native_client_sdk/src/examples/dlopen/dlopen.html (revision 141601)
+++ native_client_sdk/src/examples/dlopen/dlopen.html (working copy)
@@ -1,71 +1,125 @@
<!DOCTYPE html>
<html>
<!--
- Copyright (c) 2011 The Chromium Authors. All rights reserved.
+ Copyright (c) 2012 The Chromium Authors. All rights reserved.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->
<head>
+ <meta http-equiv="Pragma" content="no-cache" />
+ <meta http-equiv="Expires" content="-1" />
<title>Magic Eightball</title>
<script type="text/javascript">
+ naclModule = null; // Global application object.
+ statusText = 'NO-STATUSES';
- function moduleDidLoad() {
- }
+ function ExtractSearchParameter(name, def_value) {
+ var nameIndex = window.location.search.indexOf(name + "=");
+ if (nameIndex != -1) {
+ var value = location.search.substring(nameIndex + name.length + 1);
+ var endIndex = value.indexOf("&");
+ if (endIndex != -1)
+ value = value.substring(0, endIndex);
+ return value;
+ }
+ return def_value;
+ }
- function handleMessage(message_event) {
- if(message_event.data=='Eightball loaded!')
- {
- document.getElementById('consolec').innerHTML = " \
-Eightball loaded, type a question below, press the button, and get a response. \
-<br /> \
-<form name='form' Value='Hello Me' onSubmit='return askBall()'> \
- <input type='textarea' size='64' name='inputtext' /> \
- <input type='button' NAME='button' Value='ASK!' onClick='askBall()' /> \
-</form>";
+ function createNaClModule(name, tool, width, height) {
+ var listenerDiv = document.getElementById('listener');
+ var naclModule = document.createElement('embed');
+ naclModule.setAttribute('name', 'nacl_module');
+ naclModule.setAttribute('id', 'nacl_module');
+ naclModule.setAttribute('width', width);
+ naclModule.setAttribute('height',height);
+ naclModule.setAttribute('src', tool + '/' + name + '.nmf');
+ naclModule.setAttribute('type', 'application/x-nacl');
+ listenerDiv.appendChild(naclModule);
}
- else
- {
- if(message_event.data[0]=='!')
- {
+
+ // Indicate success when the NaCl module has loaded.
+ function moduleDidLoad() {
+ updateStatus('SUCCESS');
+ naclModule = document.getElementById('nacl_module');
+ }
+
+ function handleMessage(message_event) {
+ var consolec = document.getElementById('consolec');
+ if(message_event.data[0]=='!') {
document.getElementById('answerlog').innerHTML +=
- (document.form.inputtext.value + ": " + message_event.data +"<br />");
+ (consolec.value + ": " + message_event.data +"<br />");
+ } else {
+ document.getElementById('answerlog').innerHTML +=
+ (message_event.data +"<br />");
}
- else
- {
- document.getElementById('consolec').innerHTML +=
- message_event.data + "<br />";
- console.log(message_event.data);
+ updateStatus(message_event.data);
+ }
+
+ function pageDidUnload() {
+ clearInterval(paintInterval);
+ }
+
+ // If the page loads before the Native Client module loads, then set the
+ // status message indicating that the module is still loading. Otherwise,
+ // do not change the status message.
+ function pageDidLoad() {
+ updateStatus('Page loaded.');
+ if (naclModule == null) {
+ tool = ExtractSearchParameter('tool', 'glibc');
+ updateStatus('Creating embed: ' + tool)
+ createNaClModule('dlopen', tool, 100, 100)
+ } else {
+ // It's possible that the Native Client module onload event fired
+ // before the page's onload event. In this case, the status message
+ // will reflect 'SUCCESS', but won't be displayed. This call will
+ // display the current message.
+ updateStatus('Waiting.');
}
}
- }
- function pageDidUnload() {
- clearInterval(paintInterval);
- }
+ // Set the global status message. If the element with id 'statusField'
+ // exists, then set its HTML to the status message as well.
+ // opt_message The message test. If this is null or undefined, then
+ // attempt to set the element with id 'statusField' to the value of
+ // |statusText|.
+ function updateStatus(opt_message) {
+ if (opt_message)
+ statusText = opt_message;
+ var statusField = document.getElementById('statusField');
+ var answerLog = document.getElementById('anderlog');
+ if (statusField) {
+ statusField.innerHTML = statusText;
+ }
+ if (answerLog) {
+ answerLog.innerHTML += (message_event.data +"<br />");
+ }
+ }
- function askBall()
- {
- dlopen.postMessage('query');
- return false;
- }
+ function askBall()
+ {
+ naclModule = document.getElementById('nacl_module');
+ updateStatus('Posing...');
+ naclModule.postMessage('query');
+ return false;
+ }
</script>
</head>
-<body id="bodyId" onunload="pageDidUnload()">
-<div id="listener">
- <script type="text/javascript">
- var listener = document.getElementById('listener')
- listener.addEventListener('load', moduleDidLoad, true);
- listener.addEventListener('message', handleMessage, true);
- </script>
-<h1>The Magic 8 Ball </h1>
-<embed name="nacl_module"
- id="dlopen"
- width=1 height=1
- src="dlopen.nmf"
- type="application/x-nacl" />
-</div>
+<body id="bodyId" onload="pageDidLoad()">
+ <h2>Status: <code id="statusField">NO-STATUS</code></h2>
+ <div id="listener">
+ <script type="text/javascript">
+ var listener = document.getElementById('listener')
+ listener.addEventListener('load', moduleDidLoad, true);
+ listener.addEventListener('message', handleMessage, true);
+ </script>
+ <h1>The Magic 8 Ball </h1>
+ </div>
<br />
- <div id="consolec">..loading dynamic libraries...</div>
+ <div>Eightball loaded, type a question below, press the button, and get a response.</div>
+ <input type="text" id="consolec" value="" onselect="return askBall()"/>
+ <input type="button" id="button" value="ASK!" onclick="return askBall()"/>
+ </form>
+<br />
<div id="answerlog"></div>
</body>
</html>
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