Index: ios/web/webui/resources/support.js |
diff --git a/ios/web/webui/resources/support.js b/ios/web/webui/resources/support.js |
deleted file mode 100644 |
index 8d7614308949d0d27aed919e011c8d3a851e64ef..0000000000000000000000000000000000000000 |
--- a/ios/web/webui/resources/support.js |
+++ /dev/null |
@@ -1,146 +0,0 @@ |
-// Copyright 2016 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. |
- |
-// Module "mojo/public/js/support" |
-// |
-// This module provides the JavaScript bindings for mojo/public/c/system/core.h. |
-// Refer to that file for more detailed documentation for equivalent methods. |
- |
-define("mojo/public/js/support", [ |
- "ios/mojo/public/js/sync_message_channel", |
- "ios/mojo/public/js/handle_util", |
-], function(syncMessageChannel, handleUtil) { |
- |
- /** |
- * Holds callbacks for all currently active watches. |
- * @constructor |
- */ |
- var MojoWatchCallbacksHolder = function() { |
- /** |
- * Next callback Id to be used for watch. |
- * @private {number} |
- */ |
- this.nextCallbackId_ = 0; |
- |
- /** |
- * Map where keys are callbacks ids and values are callbacks. |
- * @private {!Map} |
- */ |
- this.callbacks_ = new Map(); |
- |
- /** |
- * Map where keys are watch ids and values are callback ids. |
- * @private {!Map} |
- */ |
- this.callbackIds_ = new Map(); |
- }; |
- |
- |
- MojoWatchCallbacksHolder.prototype = { |
- /** |
- * Calls watch callback. |
- * |
- * @param {number} callbackId callback id previously returned from |
- {@code getNextCallbackId}. |
- * @param {!MojoResult} mojoResult to call callback with. |
- */ |
- callCallback: function(callbackId, mojoResult) { |
- var callback = this.callbackIds_.get(callbackId); |
- |
- // Signalling the watch is asynchronous operation and this function may be |
- // called for already removed watch. |
- if (callback) |
- callback(mojoResult); |
- }, |
- |
- /** |
- * Returns next callback Id to be used for watch (idempotent). |
- * |
- * @return {number} callback id. |
- */ |
- getNextCallbackId: function() { |
- return this.nextCallbackId_; |
- }, |
- |
- /** |
- * Adds callback which must be executed when the Watch fires. |
- * |
- * @param {!MojoWatchId} watchId returned from "support.watch" mojo |
- backend. |
- * @param {!function (mojoResult)} callback which should be executed when |
- the Watch fires. |
- */ |
- addWatchCallback: function (watchId, callback) { |
- this.callbackIds_.set(watchId, this.nextCallbackId_); |
- this.callbackIds_.set(this.nextCallbackId_, callback); |
- ++this.nextCallbackId_; |
- }, |
- |
- /** |
- * Removes callback which should no longer be executed. |
- * |
- * @param {!MojoWatchId} watchId to remove callback for. |
- */ |
- removeWatchCallback: function (watchId) { |
- this.callbacks_.delete(this.callbackIds_.get(watchId)); |
- this.callbackIds_.delete(watchId); |
- }, |
- }; |
- |
- var watchCallbacksHolder = new MojoWatchCallbacksHolder(); |
- |
- |
- /** |
- * Public functions called by Mojo backend when watch callback fires. |
- * @public {!function(callbackId, mojoResult)} |
- */ |
- __crWeb.mojo = {}; |
- __crWeb.mojo.signalWatch = function(callbackId, mojoResult) { |
- watchCallbacksHolder.callCallback(callbackId, mojoResult); |
- } |
- |
- /* |
- * Begins watching a handle for |signals| to be satisfied or unsatisfiable. |
- * |
- * @param {!MojoHandle} handle The handle to watch. |
- * @param {!MojoHandleSignals} signals The signals to watch. |
- * @param {!function (mojoResult)} calback Called with a result any time |
- * the watched signals become satisfied or unsatisfiable. |
- * |
- * @return {!MojoWatchId} watchId An opaque identifier that identifies this |
- * watch. |
- */ |
- function watch(handle, signals, callback) { |
- var watchId = syncMessageChannel.sendMessage({ |
- name: "support.watch", |
- args: { |
- handle: handleUtil.getNativeHandle(handle), |
- signals: signals, |
- callbackId: watchCallbacksHolder.getNextCallbackId() |
- } |
- }); |
- watchCallbacksHolder.addWatchCallback(watchId, callback); |
- return watchId; |
- } |
- |
- /* |
- * Cancels a handle watch initiated by watch(). |
- * |
- * @param {!MojoWatchId} watchId The watch identifier returned by watch(). |
- */ |
- function cancelWatch(watchId) { |
- syncMessageChannel.sendMessage({ |
- name: "support.cancelWatch", |
- args: { |
- watchId: watchId |
- } |
- }); |
- watchCallbacksHolder.removeWatchCallback(watchId); |
- } |
- |
- var exports = {}; |
- exports.watch = watch; |
- exports.cancelWatch = cancelWatch; |
- return exports; |
-}); |