mirror of
https://gitee.com/shuto-github/phonegap-mobile-accessibility.git
synced 2026-05-08 00:00:02 +08:00
Adjust behavior of MobileAccessibility.updateTextZoom and MobileAccessibility.getTextZoom
Adjust behavior of MobileAccessibility.updateTextZoom and MobileAccessibility.getTextZoom so they both return the correct updated zoom value to a callback method. Adjust behavior of isTalkBackRunning and isVoiceOverRunning so that they return true only for the appropriate platform.
This commit is contained in:
Michael Jordan
@@ -1,3 +1,24 @@
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/**
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*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*
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*/
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package com.phonegap.plugin.mobileaccessibility;
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import org.apache.cordova.CallbackContext;
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@@ -15,277 +36,277 @@ import android.os.Build;
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* This class provides information on the status of native accessibility services to JavaScript.
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*/
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public class MobileAccessibility extends CordovaPlugin {
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protected AbstractMobileAccessibilityHelper mMobileAccessibilityHelper;
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protected CallbackContext mCallbackContext = null;
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protected boolean mIsScreenReaderRunning = false;
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protected boolean mClosedCaptioningEnabled = false;
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protected boolean mTouchExplorationEnabled = false;
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protected boolean mCachedIsScreenReaderRunning = false;
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protected float mFontScale = 1;
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@Override
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public void initialize(CordovaInterface cordova, CordovaWebView webView) {
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protected AbstractMobileAccessibilityHelper mMobileAccessibilityHelper;
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protected CallbackContext mCallbackContext = null;
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protected boolean mIsScreenReaderRunning = false;
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protected boolean mClosedCaptioningEnabled = false;
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protected boolean mTouchExplorationEnabled = false;
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protected boolean mCachedIsScreenReaderRunning = false;
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protected float mFontScale = 1;
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@Override
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public void initialize(CordovaInterface cordova, CordovaWebView webView) {
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super.initialize(cordova, webView);
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
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mMobileAccessibilityHelper = new KitKatMobileAccessibilityHelper();
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} else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
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mMobileAccessibilityHelper = new JellyBeanMobileAccessibilityHelper();
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mMobileAccessibilityHelper = new JellyBeanMobileAccessibilityHelper();
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} else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
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mMobileAccessibilityHelper = new IceCreamSandwichMobileAccessibilityHelper();
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mMobileAccessibilityHelper = new IceCreamSandwichMobileAccessibilityHelper();
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} else {
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mMobileAccessibilityHelper = new DonutMobileAccessibilityHelper();
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mMobileAccessibilityHelper = new DonutMobileAccessibilityHelper();
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}
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mMobileAccessibilityHelper.initialize(this);
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}
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@Override
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public boolean execute(String action, JSONArray args, CallbackContext callbackContext) throws JSONException {
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try {
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if (action.equals("isScreenReaderRunning")) {
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isScreenReaderRunning(callbackContext);
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return true;
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} else if (action.equals("isClosedCaptioningEnabled")) {
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isClosedCaptioningEnabled(callbackContext);
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return true;
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} else if (action.equals("isTouchExplorationEnabled")) {
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isTouchExplorationEnabled(callbackContext);
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return true;
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} else if (action.equals("postNotification")) {
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if (args.length() > 1) {
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String string = args.getString(1);
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if (!string.isEmpty()) {
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announceForAccessibility(string, callbackContext);
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}
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}
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return true;
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} else if(action.equals("getTextZoom")) {
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getTextZoom(callbackContext);
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return true;
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} else if(action.equals("setTextZoom")) {
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if (args.length() > 0) {
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int textZoom = args.getInt(0);
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if (textZoom > 0) {
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setTextZoom(textZoom, callbackContext);
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}
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}
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return true;
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} else if(action.equals("updateTextZoom")) {
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updateTextZoom();
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return true;
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} else if (action.equals("start")) {
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start(callbackContext);
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return true;
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} else if (action.equals("stop")) {
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stop();
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return true;
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}
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} catch (JSONException e) {
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}
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@Override
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public boolean execute(String action, JSONArray args, CallbackContext callbackContext) throws JSONException {
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try {
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if (action.equals("isScreenReaderRunning")) {
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isScreenReaderRunning(callbackContext);
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return true;
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} else if (action.equals("isClosedCaptioningEnabled")) {
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isClosedCaptioningEnabled(callbackContext);
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return true;
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} else if (action.equals("isTouchExplorationEnabled")) {
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isTouchExplorationEnabled(callbackContext);
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return true;
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} else if (action.equals("postNotification")) {
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if (args.length() > 1) {
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String string = args.getString(1);
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if (!string.isEmpty()) {
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announceForAccessibility(string, callbackContext);
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}
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}
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return true;
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} else if(action.equals("getTextZoom")) {
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getTextZoom(callbackContext);
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return true;
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} else if(action.equals("setTextZoom")) {
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if (args.length() > 0) {
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double textZoom = args.getDouble(0);
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if (textZoom > 0) {
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setTextZoom(textZoom, callbackContext);
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}
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}
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return true;
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} else if(action.equals("updateTextZoom")) {
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updateTextZoom(callbackContext);
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return true;
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} else if (action.equals("start")) {
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start(callbackContext);
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return true;
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} else if (action.equals("stop")) {
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stop();
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return true;
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}
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} catch (JSONException e) {
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e.printStackTrace();
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callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.JSON_EXCEPTION));
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}
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return false;
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}
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/**
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/**
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* Called when the system is about to pause the current activity
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*
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* @param multitasking Flag indicating if multitasking is turned on for app
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* @param multitasking Flag indicating if multitasking is turned on for app
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*/
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@Override
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@Override
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public void onPause(boolean multitasking) {
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//Log.i("MobileAccessibility", "onPause");
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mCachedIsScreenReaderRunning = mIsScreenReaderRunning;
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//Log.i("MobileAccessibility", "onPause");
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mCachedIsScreenReaderRunning = mIsScreenReaderRunning;
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}
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/**
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* Called when the activity will start interacting with the user.
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*
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* @param multitasking Flag indicating if multitasking is turned on for app
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* @param multitasking Flag indicating if multitasking is turned on for app
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*/
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@Override
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@Override
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public void onResume(boolean multitasking) {
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//Log.i("MobileAccessibility", "onResume");
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if (mIsScreenReaderRunning && !mCachedIsScreenReaderRunning) {
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//Log.i("MobileAccessibility", "Reloading page on reload because the Accessibility State has changed.");
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mCachedIsScreenReaderRunning = mIsScreenReaderRunning;
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stop();
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cordova.getActivity().runOnUiThread(new Runnable() {
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public void run() {
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webView.reload();
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}
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});
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}
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//Log.i("MobileAccessibility", "onResume");
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if (mIsScreenReaderRunning && !mCachedIsScreenReaderRunning) {
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//Log.i("MobileAccessibility", "Reloading page on reload because the Accessibility State has changed.");
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mCachedIsScreenReaderRunning = mIsScreenReaderRunning;
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stop();
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cordova.getActivity().runOnUiThread(new Runnable() {
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public void run() {
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webView.reload();
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}
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});
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}
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}
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/**
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* The final call you receive before your activity is destroyed.
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*/
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public void onDestroy() {
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stop();
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stop();
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}
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protected boolean isScreenReaderRunning(final CallbackContext callbackContext) {
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mIsScreenReaderRunning = mMobileAccessibilityHelper.isScreenReaderRunning();
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cordova.getThreadPool().execute(new Runnable() {
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public void run() {
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callbackContext.success(mIsScreenReaderRunning ? 1 : 0);
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}
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});
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return mIsScreenReaderRunning;
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}
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protected boolean isScreenReaderRunning() {
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mIsScreenReaderRunning = mMobileAccessibilityHelper.isScreenReaderRunning();
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return mIsScreenReaderRunning;
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}
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protected boolean isClosedCaptioningEnabled(final CallbackContext callbackContext) {
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mClosedCaptioningEnabled = mMobileAccessibilityHelper.isClosedCaptioningEnabled();
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cordova.getThreadPool().execute(new Runnable() {
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public void run() {
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callbackContext.success(mClosedCaptioningEnabled ? 1 : 0);
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}
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});
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return mClosedCaptioningEnabled;
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}
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protected boolean isClosedCaptioningEnabled() {
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mClosedCaptioningEnabled = mMobileAccessibilityHelper.isClosedCaptioningEnabled();
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return mClosedCaptioningEnabled;
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}
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protected boolean isTouchExplorationEnabled(final CallbackContext callbackContext) {
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mTouchExplorationEnabled= mMobileAccessibilityHelper.isTouchExplorationEnabled();
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cordova.getThreadPool().execute(new Runnable() {
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public void run() {
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callbackContext.success(mTouchExplorationEnabled ? 1 : 0);
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}
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});
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return mTouchExplorationEnabled;
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}
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protected boolean isTouchExplorationEnabled() {
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mTouchExplorationEnabled = mMobileAccessibilityHelper.isTouchExplorationEnabled();
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return mTouchExplorationEnabled;
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}
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protected void announceForAccessibility(CharSequence text, final CallbackContext callbackContext) {
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mMobileAccessibilityHelper.announceForAccessibility(text);
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if (callbackContext != null) {
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JSONObject info = new JSONObject();
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try {
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info.put("stringValue", text);
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info.put("wasSuccessful", mIsScreenReaderRunning);
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} catch (JSONException e) {
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e.printStackTrace();
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}
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callbackContext.success(info);
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}
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}
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public void onAccessibilityStateChanged(boolean enabled) {
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mIsScreenReaderRunning = enabled;
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cordova.getActivity().runOnUiThread(new Runnable() {
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public void run() {
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sendMobileAccessibilityStatusChangedCallback();
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}
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});
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}
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public void onCaptioningEnabledChanged(boolean enabled) {
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mClosedCaptioningEnabled = enabled;
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cordova.getActivity().runOnUiThread(new Runnable() {
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public void run() {
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sendMobileAccessibilityStatusChangedCallback();
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}
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});
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}
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public void onTouchExplorationStateChanged(boolean enabled) {
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mTouchExplorationEnabled = enabled;
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cordova.getActivity().runOnUiThread(new Runnable() {
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public void run() {
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sendMobileAccessibilityStatusChangedCallback();
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}
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});
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}
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public void getTextZoom(final CallbackContext callbackContext) {
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cordova.getActivity().runOnUiThread(new Runnable() {
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protected boolean isScreenReaderRunning(final CallbackContext callbackContext) {
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mIsScreenReaderRunning = mMobileAccessibilityHelper.isScreenReaderRunning();
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cordova.getThreadPool().execute(new Runnable() {
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public void run() {
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final int textZoom = mMobileAccessibilityHelper.getTextZoom();
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if (callbackContext != null) {
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callbackContext.success(textZoom);
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}
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callbackContext.success(mIsScreenReaderRunning ? 1 : 0);
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}
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});
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return mIsScreenReaderRunning;
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}
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protected boolean isScreenReaderRunning() {
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mIsScreenReaderRunning = mMobileAccessibilityHelper.isScreenReaderRunning();
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return mIsScreenReaderRunning;
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}
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protected boolean isClosedCaptioningEnabled(final CallbackContext callbackContext) {
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mClosedCaptioningEnabled = mMobileAccessibilityHelper.isClosedCaptioningEnabled();
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cordova.getThreadPool().execute(new Runnable() {
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public void run() {
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callbackContext.success(mClosedCaptioningEnabled ? 1 : 0);
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}
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});
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}
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public void setTextZoom(final int textZoom, final CallbackContext callbackContext) {
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cordova.getActivity().runOnUiThread(new Runnable() {
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return mClosedCaptioningEnabled;
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}
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protected boolean isClosedCaptioningEnabled() {
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mClosedCaptioningEnabled = mMobileAccessibilityHelper.isClosedCaptioningEnabled();
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return mClosedCaptioningEnabled;
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}
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protected boolean isTouchExplorationEnabled(final CallbackContext callbackContext) {
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mTouchExplorationEnabled= mMobileAccessibilityHelper.isTouchExplorationEnabled();
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cordova.getThreadPool().execute(new Runnable() {
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public void run() {
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mMobileAccessibilityHelper.setTextZoom(textZoom);
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if (callbackContext != null) {
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callbackContext.success(mMobileAccessibilityHelper.getTextZoom());
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};
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callbackContext.success(mTouchExplorationEnabled ? 1 : 0);
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}
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});
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}
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public void setTextZoom(final int textZoom) {
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cordova.getActivity().runOnUiThread(new Runnable() {
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return mTouchExplorationEnabled;
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}
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protected boolean isTouchExplorationEnabled() {
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mTouchExplorationEnabled = mMobileAccessibilityHelper.isTouchExplorationEnabled();
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return mTouchExplorationEnabled;
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}
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protected void announceForAccessibility(CharSequence text, final CallbackContext callbackContext) {
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mMobileAccessibilityHelper.announceForAccessibility(text);
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if (callbackContext != null) {
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JSONObject info = new JSONObject();
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try {
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info.put("stringValue", text);
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info.put("wasSuccessful", mIsScreenReaderRunning);
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} catch (JSONException e) {
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e.printStackTrace();
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}
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callbackContext.success(info);
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}
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}
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public void onAccessibilityStateChanged(boolean enabled) {
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mIsScreenReaderRunning = enabled;
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cordova.getActivity().runOnUiThread(new Runnable() {
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public void run() {
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mMobileAccessibilityHelper.setTextZoom(textZoom);
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sendMobileAccessibilityStatusChangedCallback();
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}
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});
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}
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public void onCaptioningEnabledChanged(boolean enabled) {
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mClosedCaptioningEnabled = enabled;
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cordova.getActivity().runOnUiThread(new Runnable() {
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public void run() {
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sendMobileAccessibilityStatusChangedCallback();
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}
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});
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}
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public void onTouchExplorationStateChanged(boolean enabled) {
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mTouchExplorationEnabled = enabled;
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cordova.getActivity().runOnUiThread(new Runnable() {
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public void run() {
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sendMobileAccessibilityStatusChangedCallback();
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}
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});
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}
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public void getTextZoom(final CallbackContext callbackContext) {
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cordova.getActivity().runOnUiThread(new Runnable() {
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public void run() {
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final double textZoom = mMobileAccessibilityHelper.getTextZoom();
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if (callbackContext != null) {
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callbackContext.success((int) textZoom);
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}
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}
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});
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}
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public void updateTextZoom() {
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float fontScale = cordova.getActivity().getResources().getConfiguration().fontScale;
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if (fontScale != mFontScale) {
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mFontScale = fontScale;
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}
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int textZoom = Math.round(mFontScale * 100);
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setTextZoom(textZoom);
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}
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protected void sendMobileAccessibilityStatusChangedCallback() {
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if (this.mCallbackContext != null) {
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PluginResult result = new PluginResult(PluginResult.Status.OK, getMobileAccessibilityStatus());
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result.setKeepCallback(true);
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this.mCallbackContext.sendPluginResult(result);
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}
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}
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/* Get the current mobile accessibility status. */
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protected JSONObject getMobileAccessibilityStatus() {
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JSONObject status = new JSONObject();
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try {
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status.put("isScreenReaderRunning", mIsScreenReaderRunning);
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status.put("isClosedCaptioningEnabled", mClosedCaptioningEnabled);
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status.put("isTouchExplorationEnabled", mTouchExplorationEnabled);
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//Log.i("MobileAccessibility", "MobileAccessibility.isScreenReaderRunning == " + status.getString("isScreenReaderRunning") +
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// "\nMobileAccessibility.isClosedCaptioningEnabled == " + status.getString("isClosedCaptioningEnabled") +
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// "\nMobileAccessibility.isTouchExplorationEnabled == " + status.getString("isTouchExplorationEnabled") );
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} catch (JSONException e) {
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e.printStackTrace();
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}
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return status;
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}
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protected void start(CallbackContext callbackContext) {
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//Log.i("MobileAccessibility", "MobileAccessibility.start");
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mCallbackContext = callbackContext;
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mMobileAccessibilityHelper.addStateChangeListeners();
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sendMobileAccessibilityStatusChangedCallback();
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}
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protected void stop() {
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//Log.i("MobileAccessibility", "MobileAccessibility.stop");
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if (mCallbackContext != null) {
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sendMobileAccessibilityStatusChangedCallback();
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mMobileAccessibilityHelper.removeStateChangeListeners();
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mCallbackContext = null;
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}
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}
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}
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}
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public void setTextZoom(final double textZoom, final CallbackContext callbackContext) {
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cordova.getActivity().runOnUiThread(new Runnable() {
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public void run() {
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mMobileAccessibilityHelper.setTextZoom(textZoom);
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if (callbackContext != null) {
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callbackContext.success((int) mMobileAccessibilityHelper.getTextZoom());
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};
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}
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||||
});
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}
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public void setTextZoom(final double textZoom) {
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cordova.getActivity().runOnUiThread(new Runnable() {
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public void run() {
|
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mMobileAccessibilityHelper.setTextZoom(textZoom);
|
||||
}
|
||||
});
|
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}
|
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public void updateTextZoom(final CallbackContext callbackContext) {
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float fontScale = cordova.getActivity().getResources().getConfiguration().fontScale;
|
||||
if (fontScale != mFontScale) {
|
||||
mFontScale = fontScale;
|
||||
}
|
||||
final double textZoom = Math.round(mFontScale * 100);
|
||||
setTextZoom(textZoom, callbackContext);
|
||||
}
|
||||
|
||||
protected void sendMobileAccessibilityStatusChangedCallback() {
|
||||
if (this.mCallbackContext != null) {
|
||||
PluginResult result = new PluginResult(PluginResult.Status.OK, getMobileAccessibilityStatus());
|
||||
result.setKeepCallback(true);
|
||||
this.mCallbackContext.sendPluginResult(result);
|
||||
}
|
||||
}
|
||||
|
||||
/* Get the current mobile accessibility status. */
|
||||
protected JSONObject getMobileAccessibilityStatus() {
|
||||
JSONObject status = new JSONObject();
|
||||
try {
|
||||
status.put("isScreenReaderRunning", mIsScreenReaderRunning);
|
||||
status.put("isClosedCaptioningEnabled", mClosedCaptioningEnabled);
|
||||
status.put("isTouchExplorationEnabled", mTouchExplorationEnabled);
|
||||
//Log.i("MobileAccessibility", "MobileAccessibility.isScreenReaderRunning == " + status.getString("isScreenReaderRunning") +
|
||||
// "\nMobileAccessibility.isClosedCaptioningEnabled == " + status.getString("isClosedCaptioningEnabled") +
|
||||
// "\nMobileAccessibility.isTouchExplorationEnabled == " + status.getString("isTouchExplorationEnabled") );
|
||||
} catch (JSONException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
return status;
|
||||
}
|
||||
|
||||
protected void start(CallbackContext callbackContext) {
|
||||
//Log.i("MobileAccessibility", "MobileAccessibility.start");
|
||||
mCallbackContext = callbackContext;
|
||||
mMobileAccessibilityHelper.addStateChangeListeners();
|
||||
sendMobileAccessibilityStatusChangedCallback();
|
||||
}
|
||||
|
||||
protected void stop() {
|
||||
//Log.i("MobileAccessibility", "MobileAccessibility.stop");
|
||||
if (mCallbackContext != null) {
|
||||
sendMobileAccessibilityStatusChangedCallback();
|
||||
mMobileAccessibilityHelper.removeStateChangeListeners();
|
||||
mCallbackContext = null;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user