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// Copyright (c) 2013 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.
function insertText(text) {
chrome.send('insertText', [ text ]);
}
function sendKeyEvent(event) {
chrome.send('sendKeyEvent', [ event ]);
}
function hideKeyboard() {
chrome.send('hideKeyboard');
}
(function(exports) {
/**
* An array to save callbacks of each request.
* @type {Array.<function(Object)>}
*/
var requestIdCallbackMap = [];
/**
* An incremental integer that represents a unique requestId.
* @type {number}
*/
var requestId = 0;
/**
* Called when a text input box gets focus.
* @param {object} inputContext Describes an input context. It only contains
* the type of text input box at present and only "password", "number" and
* "text" are supported.
*/
function OnTextInputBoxFocused(inputContext) {
keyboard.inputType = inputContext.type;
}
/**
* Gets the context of the focused input field. The context is returned as a
* paramter in the |callback|.
* @param {function(Object)} callback The callback function after the webui
* function finished.
* @return {number} The ID of the new request.
*/
function GetInputContext(callback) {
var id = requestId;
requestIdCallbackMap[id] = callback;
chrome.send('getInputContext', [ id ]);
requestId++;
return id;
}
/**
* Cancel the callback specified by requestId.
* @param {number} requestId The requestId of the callback that about to
* cancel.
*/
function CancelRequest(requestId) {
requestIdCallbackMap[requestId] = undefined;
}
/**
* Webui function callback. Any call to chrome.send('getInputContext', [id])
* should trigger this function being called with the parameter
* inputContext.requestId == id.
* @param {Object} inputContext The context of focused input field. Note we
* only have type(input box type) and requestId fields now.
*/
function GetInputContextCallback(inputContext) {
var requestId = inputContext.requestId;
if (!requestIdCallbackMap[requestId])
return;
requestIdCallbackMap[requestId](inputContext);
}
exports.OnTextInputBoxFocused = OnTextInputBoxFocused;
exports.getInputContext = GetInputContext;
exports.cancelRequest = CancelRequest;
exports.GetInputContextCallback = GetInputContextCallback;
})(this);
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