| Index: chrome/browser/resources/gpu_internals/browser_bridge.js
|
| ===================================================================
|
| --- chrome/browser/resources/gpu_internals/browser_bridge.js (revision 0)
|
| +++ chrome/browser/resources/gpu_internals/browser_bridge.js (revision 0)
|
| @@ -0,0 +1,59 @@
|
| +// Copyright (c) 2010 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.
|
| +
|
| +cr.define('gpu', function() {
|
| + /**
|
| + * This class provides a 'bridge' for communicating between javascript and
|
| + * the browser.
|
| + * @constructor
|
| + */
|
| + function BrowserBridge() {
|
| + // If we are not running inside DOMUI, output chrome.send messages
|
| + // to the console to help with quick-iteration debugging.
|
| + if (chrome.send === undefined && console.log) {
|
| + chrome.send = function(messageHandler, args) {
|
| + console.log('chrome.send', messageHandler, args);
|
| + };
|
| + }
|
| +
|
| + this.nextRequestId_ = 0;
|
| + this.pendingCallbacks_ = [];
|
| + }
|
| +
|
| + BrowserBridge.prototype = {
|
| + __proto__: Object.prototype,
|
| +
|
| + /**
|
| + * Sends a message to the browser with specified args. The
|
| + * browser will reply asynchronously via the provided callback.
|
| + */
|
| + callAsync: function(submessage, args, callback) {
|
| + var requestId = this.nextRequestId_;
|
| + this.nextRequestId_ += 1;
|
| + this.pendingCallbacks_[requestId] = callback;
|
| + if (!args) {
|
| + chrome.send('callAsync', [requestId.toString(), submessage]);
|
| + } else {
|
| + var allArgs = [requestId.toString(), submessage].concat(args);
|
| + chrome.send('callAsync', allArgs);
|
| + }
|
| + },
|
| +
|
| + /**
|
| + * Called by gpu c++ code when client info is ready.
|
| + */
|
| + onCallAsyncReply: function(requestId, args) {
|
| + if (this.pendingCallbacks_[requestId] === undefined) {
|
| + throw new Error('requestId ' + requestId + ' is not pending');
|
| + }
|
| + var callback = this.pendingCallbacks_[requestId];
|
| + callback(args);
|
| + delete this.pendingCallbacks_[requestId];
|
| + }
|
| + };
|
| +
|
| + return {
|
| + BrowserBridge : BrowserBridge
|
| + };
|
| +});
|
|
|
| Property changes on: chrome/browser/resources/gpu_internals/browser_bridge.js
|
| ___________________________________________________________________
|
| Added: svn:eol-style
|
| + LF
|
|
|
|
|