1 files changed, 330 insertions, 0 deletions
diff --git a/StoneIsland/platforms/android/src/com/phonegap/plugin/mobileaccessibility/MobileAccessibility.java b/StoneIsland/platforms/android/src/com/phonegap/plugin/mobileaccessibility/MobileAccessibility.java
new file mode 100644
index 00000000..a979420e
--- /dev/null
+++ b/StoneIsland/platforms/android/src/com/phonegap/plugin/mobileaccessibility/MobileAccessibility.java
@@ -0,0 +1,330 @@
+/**
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+*/
+
+package com.phonegap.plugin.mobileaccessibility;
+
+import org.apache.cordova.CallbackContext;
+import org.apache.cordova.CordovaInterface;
+import org.apache.cordova.CordovaPlugin;
+import org.apache.cordova.CordovaWebView;
+import org.apache.cordova.PluginResult;
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import android.os.Build;
+import android.webkit.WebView;
+
+import java.lang.IllegalAccessException;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+/**
+ * This class provides information on the status of native accessibility services to JavaScript.
+ */
+public class MobileAccessibility extends CordovaPlugin {
+    private AbstractMobileAccessibilityHelper mMobileAccessibilityHelper;
+    private CallbackContext mCallbackContext = null;
+    private boolean mIsScreenReaderRunning = false;
+    private boolean mClosedCaptioningEnabled = false;
+    private boolean mTouchExplorationEnabled = false;
+    private boolean mCachedIsScreenReaderRunning = false;
+    private float mFontScale = 1;
+
+    @Override
+    public void initialize(CordovaInterface cordova, CordovaWebView webView) {
+        super.initialize(cordova, webView);
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
+            mMobileAccessibilityHelper = new KitKatMobileAccessibilityHelper();
+        } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
+            mMobileAccessibilityHelper = new JellyBeanMobileAccessibilityHelper();
+        } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
+            mMobileAccessibilityHelper = new IceCreamSandwichMobileAccessibilityHelper();
+        } else {
+            mMobileAccessibilityHelper = new DonutMobileAccessibilityHelper();
+        }
+        mMobileAccessibilityHelper.initialize(this);
+    }
+
+    @Override
+    public boolean execute(String action, JSONArray args, CallbackContext callbackContext) throws JSONException {
+        try {
+            if (action.equals("isScreenReaderRunning")) {
+                isScreenReaderRunning(callbackContext);
+                return true;
+            } else if (action.equals("isClosedCaptioningEnabled")) {
+                isClosedCaptioningEnabled(callbackContext);
+                return true;
+            } else if (action.equals("isTouchExplorationEnabled")) {
+                isTouchExplorationEnabled(callbackContext);
+                return true;
+            } else if (action.equals("postNotification")) {
+                if (args.length() > 1) {
+                    String string = args.getString(1);
+                    if (!string.isEmpty()) {
+                        announceForAccessibility(string, callbackContext);
+                    }
+                }
+                return true;
+            } else if(action.equals("getTextZoom")) {
+                getTextZoom(callbackContext);
+                return true;
+            } else if(action.equals("setTextZoom")) {
+                if (args.length() > 0) {
+                    double textZoom = args.getDouble(0);
+                    if (textZoom > 0) {
+                        setTextZoom(textZoom, callbackContext);
+                    }
+                }
+                return true;
+            } else if(action.equals("updateTextZoom")) {
+                updateTextZoom(callbackContext);
+                return true;
+            } else if (action.equals("start")) {
+                start(callbackContext);
+                return true;
+            } else if (action.equals("stop")) {
+                stop();
+                return true;
+            }
+        } catch (JSONException e) {
+            e.printStackTrace();
+            callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.JSON_EXCEPTION));
+        }
+        return false;
+    }
+
+    /**
+     * Called when the system is about to pause the current activity
+     *
+     * @param multitasking        Flag indicating if multitasking is turned on for app
+     */
+    @Override
+    public void onPause(boolean multitasking) {
+        //Log.i("MobileAccessibility", "onPause");
+        mCachedIsScreenReaderRunning = mIsScreenReaderRunning;
+    }
+
+    /**
+     * Called when the activity will start interacting with the user.
+     *
+     * @param multitasking        Flag indicating if multitasking is turned on for app
+     */
+    @Override
+    public void onResume(boolean multitasking) {
+        //Log.i("MobileAccessibility", "onResume");
+        if (mIsScreenReaderRunning && !mCachedIsScreenReaderRunning) {
+            //Log.i("MobileAccessibility", "Reloading page on reload because the Accessibility State has changed.");
+            mCachedIsScreenReaderRunning = mIsScreenReaderRunning;
+            stop();
+            cordova.getActivity().runOnUiThread(new Runnable() {
+                public void run() {
+                    WebView view;
+                    try {
+                        view = (WebView) webView;
+                        view.reload();
+                    } catch(ClassCastException ce) {  // cordova-android 4.0+
+                        try {   // cordova-android 4.0+
+                            Method getView = webView.getClass().getMethod("getView");
+                            Method reload = getView.invoke(webView).getClass().getMethod("reload");
+                            reload.invoke(webView);
+                        } catch (NoSuchMethodException e) {
+                            e.printStackTrace();
+                        } catch (InvocationTargetException e) {
+                            e.printStackTrace();
+                        } catch (IllegalAccessException e) {
+                            e.printStackTrace();
+                        }
+                    }
+                }
+            });
+        }
+    }
+
+    /**
+     * The final call you receive before your activity is destroyed.
+     */
+    public void onDestroy() {
+        stop();
+    }
+
+    private void isScreenReaderRunning(final CallbackContext callbackContext) {
+        mIsScreenReaderRunning = mMobileAccessibilityHelper.isScreenReaderRunning();
+        cordova.getThreadPool().execute(new Runnable() {
+            public void run() {
+                    callbackContext.success(mIsScreenReaderRunning ? 1 : 0);
+                }
+            });
+    }
+
+    protected boolean isScreenReaderRunning() {
+        mIsScreenReaderRunning = mMobileAccessibilityHelper.isScreenReaderRunning();
+        return mIsScreenReaderRunning;
+    }
+
+    private void isClosedCaptioningEnabled(final CallbackContext callbackContext) {
+        mClosedCaptioningEnabled = mMobileAccessibilityHelper.isClosedCaptioningEnabled();
+        cordova.getThreadPool().execute(new Runnable() {
+            public void run() {
+                callbackContext.success(mClosedCaptioningEnabled ? 1 : 0);
+            }
+        });
+    }
+
+    protected boolean isClosedCaptioningEnabled() {
+        mClosedCaptioningEnabled = mMobileAccessibilityHelper.isClosedCaptioningEnabled();
+        return mClosedCaptioningEnabled;
+    }
+
+    private void isTouchExplorationEnabled(final CallbackContext callbackContext) {
+        mTouchExplorationEnabled= mMobileAccessibilityHelper.isTouchExplorationEnabled();
+        cordova.getThreadPool().execute(new Runnable() {
+            public void run() {
+                callbackContext.success(mTouchExplorationEnabled ? 1 : 0);
+            }
+        });
+    }
+
+    protected boolean isTouchExplorationEnabled() {
+        mTouchExplorationEnabled = mMobileAccessibilityHelper.isTouchExplorationEnabled();
+        return mTouchExplorationEnabled;
+    }
+
+    private void announceForAccessibility(CharSequence text, final CallbackContext callbackContext) {
+        mMobileAccessibilityHelper.announceForAccessibility(text);
+        if (callbackContext != null) {
+            JSONObject info = new JSONObject();
+            try {
+                info.put("stringValue", text);
+                info.put("wasSuccessful", mIsScreenReaderRunning);
+            } catch (JSONException e) {
+                e.printStackTrace();
+            }
+            callbackContext.success(info);
+        }
+    }
+
+    public void onAccessibilityStateChanged(boolean enabled) {
+        mIsScreenReaderRunning = enabled;
+        cordova.getActivity().runOnUiThread(new Runnable() {
+            public void run() {
+                    sendMobileAccessibilityStatusChangedCallback();
+                }
+            });
+    }
+
+    public void onCaptioningEnabledChanged(boolean enabled) {
+        mClosedCaptioningEnabled = enabled;
+        cordova.getActivity().runOnUiThread(new Runnable() {
+             public void run() {
+                    sendMobileAccessibilityStatusChangedCallback();
+                }
+            });
+    }
+
+    public void onTouchExplorationStateChanged(boolean enabled) {
+        mTouchExplorationEnabled = enabled;
+        cordova.getActivity().runOnUiThread(new Runnable() {
+             public void run() {
+                    sendMobileAccessibilityStatusChangedCallback();
+                }
+            });
+    }
+
+    private void getTextZoom(final CallbackContext callbackContext) {
+        cordova.getActivity().runOnUiThread(new Runnable() {
+            public void run() {
+                final double textZoom = mMobileAccessibilityHelper.getTextZoom();
+                if (callbackContext != null) {
+                    callbackContext.success((int) textZoom);
+                }
+            }
+        });
+    }
+
+    private void setTextZoom(final double textZoom, final CallbackContext callbackContext) {
+        cordova.getActivity().runOnUiThread(new Runnable() {
+            public void run() {
+                mMobileAccessibilityHelper.setTextZoom(textZoom);
+                if (callbackContext != null) {
+                    callbackContext.success((int) mMobileAccessibilityHelper.getTextZoom());
+                }
+            }
+        });
+    }
+
+    public void setTextZoom(final double textZoom) {
+        cordova.getActivity().runOnUiThread(new Runnable() {
+            public void run() {
+                mMobileAccessibilityHelper.setTextZoom(textZoom);
+            }
+        });
+    }
+
+    private void updateTextZoom(final CallbackContext callbackContext) {
+        float fontScale = cordova.getActivity().getResources().getConfiguration().fontScale;
+        if (fontScale != mFontScale) {
+            mFontScale = fontScale;
+        }
+        final double textZoom = Math.round(mFontScale * 100);
+        setTextZoom(textZoom, callbackContext);
+    }
+
+    private 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. */
+    private 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;
+    }
+
+    private void start(CallbackContext callbackContext) {
+        //Log.i("MobileAccessibility", "MobileAccessibility.start");
+        mCallbackContext = callbackContext;
+        mMobileAccessibilityHelper.addStateChangeListeners();
+        sendMobileAccessibilityStatusChangedCallback();
+    }
+
+    private void stop() {
+        //Log.i("MobileAccessibility", "MobileAccessibility.stop");
+        if (mCallbackContext != null) {
+            sendMobileAccessibilityStatusChangedCallback();
+            mMobileAccessibilityHelper.removeStateChangeListeners();
+            mCallbackContext = null;
+        }
+    }
+}