66 lines
2.1 KiB
JavaScript
66 lines
2.1 KiB
JavaScript
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// Check for the various File API support.
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if (window.File && window.FileReader && window.FileList && window.Blob) {
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// Great success! All the File APIs are supported.
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} else {
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alert('The File APIs are not fully supported in this browser.');
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}
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helloWorldModule = null; // Global application object.
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statusText = 'NO-STATUS';
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// Indicate success when the NaCl module has loaded.
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function moduleDidLoad() {
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helloWorldModule = document.getElementById('udp_example');
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updateStatus('moduleDidLoad SUCCESS');
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}
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// Handle a message coming from the NaCl module.
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function handleMessage(message_event)
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{
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console.log("Got handleMessage");
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console.log(message_event.data);
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}
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// If the page loads before the Native Client module loads, then set the
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// status message indicating that the module is still loading. Otherwise,
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// do not change the status message.
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function pageDidLoad() {
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if (helloWorldModule == null) {
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updateStatus('LOADING...');
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} else {
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// It's possible that the Native Client module onload event fired
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// before the page's onload event. In this case, the status message
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// will reflect 'SUCCESS', but won't be displayed. This call will
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// display the current message.
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updateStatus();
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}
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}
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// Set the global status message. If the element with id 'statusField'
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// exists, then set its HTML to the status message as well.
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// opt_message The message test. If this is null or undefined, then
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// attempt to set the element with id 'statusField' to the value of
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// |statusText|.
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function updateStatus(opt_message) {
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if (opt_message)
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statusText = opt_message;
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var statusField = document.getElementById('statusField');
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if (statusField) {
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statusField.innerHTML = statusText;
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}
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}
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// Indicate success when the NaCl module has loaded.
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function clikedConnect() {
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helloWorldModule = document.getElementById('udp_example');
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if (helloWorldModule == null) {
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updateStatus('helloWorldModule == null');
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}
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else
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{
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updateStatus('Calling postMessage');
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helloWorldModule.postMessage('connect');
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}
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}
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