[Remoting Android] Remove Cardboard Code

remoting/android/java/src/org/chromium/chromoting/cardboard/DesktopActivity.java

-// Copyright 2015 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.
-
-package org.chromium.chromoting.cardboard;
-
-import android.content.Intent;
-import android.graphics.PointF;
-import android.os.Bundle;
-import android.speech.RecognitionListener;
-import android.speech.RecognizerIntent;
-import android.speech.SpeechRecognizer;
-
-import com.google.vrtoolkit.cardboard.CardboardActivity;
-import com.google.vrtoolkit.cardboard.CardboardView;
-
-import org.chromium.chromoting.InputStub;
-import org.chromium.chromoting.R;
-import org.chromium.chromoting.jni.Client;
-
-import java.util.ArrayList;
-
-/**
- * Virtual desktop activity for Cardboard.
- */
-public class DesktopActivity extends CardboardActivity {
-    // Flag to indicate whether the current activity is going to switch to normal
-    // desktop activity.
-    private boolean mSwitchToDesktopActivity;
-
-    private Client mClient;
-    private CardboardRenderer mRenderer;
-    private SpeechRecognizer mSpeechRecognizer;
-
-    // Flag to indicate whether the speech recognizer is listening or not.
-    private boolean mIsListening;
-
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.cardboard_desktop);
-
-        mClient = Client.getInstance();
-
-        mSwitchToDesktopActivity = false;
-        CardboardView cardboardView = (CardboardView) findViewById(R.id.cardboard_view);
-
-        // THE CODE BELOW IS BROKEN.
-        // To make it work, you have to somehow get the reference to the Display object and pass
-        // it into the constructor.
-        mRenderer = new CardboardRenderer(this, mClient, null);
-        mIsListening = false;
-
-        // Associate a CardboardView.StereoRenderer with cardboard view.
-        cardboardView.setRenderer(mRenderer);
-
-        // Associate the cardboard view with this activity.
-        setCardboardView(cardboardView);
-    }
-
-    @Override
-    public void onCardboardTrigger() {
-        if (mRenderer.isMenuBarVisible()) {
-            if (mRenderer.isLookingAtMenuBar()) {
-                switch (mRenderer.getMenuItem().getType()) {
-                    case BACK:
-                        mSwitchToDesktopActivity = true;
-                        finish();
-                        break;
-                    case VOICE_INPUT:
-                        listenForVoiceInput();
-                        break;
-                    case ZOOM_IN:
-                        mRenderer.moveTowardsDesktop();
-                        break;
-                    case ZOOM_OUT:
-                        mRenderer.moveAwayFromDesktop();
-                        break;
-                }
-            } else {
-                mRenderer.setMenuBarVisible(false);
-            }
-        } else {
-            if (mRenderer.isLookingAtDesktop()) {
-                PointF coordinates = mRenderer.getMouseCoordinates();
-                mClient.sendMouseEvent((int) coordinates.x, (int) coordinates.y,
-                        InputStub.BUTTON_LEFT, true);
-                mClient.sendMouseEvent((int) coordinates.x, (int) coordinates.y,
-                        InputStub.BUTTON_LEFT, false);
-            } else {
-                if (mRenderer.isLookingFarawayFromDesktop()) {
-                    getCardboardView().resetHeadTracker();
-                } else {
-                    mRenderer.setMenuBarVisible(true);
-                }
-            }
-        }
-    }
-
-    @Override
-    protected void onStart() {
-        super.onStart();
-        mClient.enableVideoChannel(true);
-    }
-
-    @Override
-    protected void onPause() {
-        super.onPause();
-        if (!mSwitchToDesktopActivity) {
-            mClient.enableVideoChannel(false);
-        }
-        if (mSpeechRecognizer != null) {
-            mSpeechRecognizer.stopListening();
-        }
-    }
-
-    @Override
-    protected void onResume() {
-        super.onResume();
-        mClient.enableVideoChannel(true);
-    }
-
-    @Override
-    protected void onStop() {
-        super.onStop();
-        if (mSwitchToDesktopActivity) {
-            mSwitchToDesktopActivity = false;
-        } else {
-            mClient.enableVideoChannel(false);
-        }
-        if (mSpeechRecognizer != null) {
-            mSpeechRecognizer.stopListening();
-        }
-    }
-
-    @Override
-    protected void onDestroy() {
-        super.onDestroy();
-        if (mSpeechRecognizer != null) {
-            mSpeechRecognizer.cancel();
-            mSpeechRecognizer.destroy();
-        }
-    }
-
-    private void listenForVoiceInput() {
-        if (mIsListening) {
-            return;
-        }
-
-        if (mSpeechRecognizer == null) {
-            if (SpeechRecognizer.isRecognitionAvailable(this)) {
-                mSpeechRecognizer = SpeechRecognizer.createSpeechRecognizer(this);
-                mSpeechRecognizer.setRecognitionListener(new VoiceInputRecognitionListener());
-            } else {
-                return;
-            }
-        }
-
-        mIsListening = true;
-
-        Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
-
-        // LANGUAGE_MODEL_FREE_FORM is used to improve dictation accuracy
-        // for the voice keyboard.
-        intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL,
-                RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
-
-        mSpeechRecognizer.startListening(intent);
-    }
-
-    private class VoiceInputRecognitionListener implements RecognitionListener {
-        public void onReadyForSpeech(Bundle params) {
-        }
-
-        public void onBeginningOfSpeech() {
-        }
-
-        public void onRmsChanged(float rmsdB){
-        }
-
-        public void onBufferReceived(byte[] buffer) {
-        }
-
-        public void onEndOfSpeech() {
-            mIsListening = false;
-        }
-
-        public void onError(int error) {
-            mIsListening = false;
-        }
-
-        public void onResults(Bundle results) {
-            // TODO(shichengfeng): If necessary, provide a list of choices for user to pick.
-            ArrayList<String> data =
-                    results.getStringArrayList(SpeechRecognizer.RESULTS_RECOGNITION);
-            if (!data.isEmpty()) {
-                mClient.sendTextEvent(data.get(0));
-            }
-        }
-
-        public void onPartialResults(Bundle partialResults) {
-        }
-
-        public void onEvent(int eventType, Bundle params) {
-        }
-    }
-}