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-rw-r--r--src/com/android/inputmethod/voice/RecognitionView.java324
1 files changed, 0 insertions, 324 deletions
diff --git a/src/com/android/inputmethod/voice/RecognitionView.java b/src/com/android/inputmethod/voice/RecognitionView.java
deleted file mode 100644
index 1e99c3cf7..000000000
--- a/src/com/android/inputmethod/voice/RecognitionView.java
+++ /dev/null
@@ -1,324 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc.
- *
- * Licensed 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.android.inputmethod.voice;
-
-import java.io.ByteArrayOutputStream;
-import java.nio.ByteBuffer;
-import java.nio.ByteOrder;
-import java.nio.ShortBuffer;
-import java.util.ArrayList;
-import java.util.List;
-
-import android.content.ContentResolver;
-import android.content.Context;
-import android.content.res.Resources;
-import android.graphics.Bitmap;
-import android.graphics.Canvas;
-import android.graphics.CornerPathEffect;
-import android.graphics.Paint;
-import android.graphics.Path;
-import android.graphics.PathEffect;
-import android.graphics.drawable.Drawable;
-import android.os.Handler;
-import android.util.TypedValue;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.View.OnClickListener;
-import android.view.ViewGroup.MarginLayoutParams;
-import android.widget.ImageView;
-import android.widget.ProgressBar;
-import android.widget.TextView;
-
-import com.android.inputmethod.latin.R;
-
-/**
- * The user interface for the "Speak now" and "working" states.
- * Displays a recognition dialog (with waveform, voice meter, etc.),
- * plays beeps, shows errors, etc.
- */
-public class RecognitionView {
- private static final String TAG = "RecognitionView";
-
- private Handler mUiHandler; // Reference to UI thread
- private View mView;
- private Context mContext;
-
- private ImageView mImage;
- private TextView mText;
- private View mButton;
- private TextView mButtonText;
- private View mProgress;
-
- private Drawable mInitializing;
- private Drawable mError;
- private List<Drawable> mSpeakNow;
-
- private float mVolume = 0.0f;
- private int mLevel = 0;
-
- private enum State {LISTENING, WORKING, READY}
- private State mState = State.READY;
-
- private float mMinMicrophoneLevel;
- private float mMaxMicrophoneLevel;
-
- /** Updates the microphone icon to show user their volume.*/
- private Runnable mUpdateVolumeRunnable = new Runnable() {
- public void run() {
- if (mState != State.LISTENING) {
- return;
- }
-
- final float min = mMinMicrophoneLevel;
- final float max = mMaxMicrophoneLevel;
- final int maxLevel = mSpeakNow.size() - 1;
-
- int index = (int) ((mVolume - min) / (max - min) * maxLevel);
- final int level = Math.min(Math.max(0, index), maxLevel);
-
- if (level != mLevel) {
- mImage.setImageDrawable(mSpeakNow.get(level));
- mLevel = level;
- }
- mUiHandler.postDelayed(mUpdateVolumeRunnable, 50);
- }
- };
-
- public RecognitionView(Context context, OnClickListener clickListener) {
- mUiHandler = new Handler();
-
- LayoutInflater inflater = (LayoutInflater) context.getSystemService(
- Context.LAYOUT_INFLATER_SERVICE);
- mView = inflater.inflate(R.layout.recognition_status, null);
- ContentResolver cr = context.getContentResolver();
- mMinMicrophoneLevel = SettingsUtil.getSettingsFloat(
- cr, SettingsUtil.LATIN_IME_MIN_MICROPHONE_LEVEL, 15.f);
- mMaxMicrophoneLevel = SettingsUtil.getSettingsFloat(
- cr, SettingsUtil.LATIN_IME_MAX_MICROPHONE_LEVEL, 30.f);
-
- // Pre-load volume level images
- Resources r = context.getResources();
-
- mSpeakNow = new ArrayList<Drawable>();
- mSpeakNow.add(r.getDrawable(R.drawable.speak_now_level0));
- mSpeakNow.add(r.getDrawable(R.drawable.speak_now_level1));
- mSpeakNow.add(r.getDrawable(R.drawable.speak_now_level2));
- mSpeakNow.add(r.getDrawable(R.drawable.speak_now_level3));
- mSpeakNow.add(r.getDrawable(R.drawable.speak_now_level4));
- mSpeakNow.add(r.getDrawable(R.drawable.speak_now_level5));
- mSpeakNow.add(r.getDrawable(R.drawable.speak_now_level6));
-
- mInitializing = r.getDrawable(R.drawable.mic_slash);
- mError = r.getDrawable(R.drawable.caution);
-
- mImage = (ImageView) mView.findViewById(R.id.image);
- mButton = mView.findViewById(R.id.button);
- mButton.setOnClickListener(clickListener);
- mText = (TextView) mView.findViewById(R.id.text);
- mButtonText = (TextView) mView.findViewById(R.id.button_text);
- mProgress = mView.findViewById(R.id.progress);
-
- mContext = context;
- }
-
- public View getView() {
- return mView;
- }
-
- public void restoreState() {
- mUiHandler.post(new Runnable() {
- public void run() {
- // Restart the spinner
- if (mState == State.WORKING) {
- ((ProgressBar)mProgress).setIndeterminate(false);
- ((ProgressBar)mProgress).setIndeterminate(true);
- }
- }
- });
- }
-
- public void showInitializing() {
- mUiHandler.post(new Runnable() {
- public void run() {
- prepareDialog(false, mContext.getText(R.string.voice_initializing), mInitializing,
- mContext.getText(R.string.cancel));
- }
- });
- }
-
- public void showListening() {
- mUiHandler.post(new Runnable() {
- public void run() {
- mState = State.LISTENING;
- prepareDialog(false, mContext.getText(R.string.voice_listening), mSpeakNow.get(0),
- mContext.getText(R.string.cancel));
- }
- });
- mUiHandler.postDelayed(mUpdateVolumeRunnable, 50);
- }
-
- public void updateVoiceMeter(final float rmsdB) {
- mVolume = rmsdB;
- }
-
- public void showError(final String message) {
- mUiHandler.post(new Runnable() {
- public void run() {
- mState = State.READY;
- prepareDialog(false, message, mError, mContext.getText(R.string.ok));
- }
- });
- }
-
- public void showWorking(
- final ByteArrayOutputStream waveBuffer,
- final int speechStartPosition,
- final int speechEndPosition) {
-
- mUiHandler.post(new Runnable() {
- public void run() {
- mState = State.WORKING;
- prepareDialog(true, mContext.getText(R.string.voice_working), null, mContext
- .getText(R.string.cancel));
- final ShortBuffer buf = ByteBuffer.wrap(waveBuffer.toByteArray()).order(
- ByteOrder.nativeOrder()).asShortBuffer();
- buf.position(0);
- waveBuffer.reset();
- showWave(buf, speechStartPosition / 2, speechEndPosition / 2);
- }
- });
- }
-
- private void prepareDialog(boolean spinVisible, CharSequence text, Drawable image,
- CharSequence btnTxt) {
- if (spinVisible) {
- mProgress.setVisibility(View.VISIBLE);
- mImage.setVisibility(View.GONE);
- } else {
- mProgress.setVisibility(View.GONE);
- mImage.setImageDrawable(image);
- mImage.setVisibility(View.VISIBLE);
- }
- mText.setText(text);
- mButtonText.setText(btnTxt);
- }
-
- /**
- * @return an average abs of the specified buffer.
- */
- private static int getAverageAbs(ShortBuffer buffer, int start, int i, int npw) {
- int from = start + i * npw;
- int end = from + npw;
- int total = 0;
- for (int x = from; x < end; x++) {
- total += Math.abs(buffer.get(x));
- }
- return total / npw;
- }
-
-
- /**
- * Shows waveform of input audio.
- *
- * Copied from version in VoiceSearch's RecognitionActivity.
- *
- * TODO: adjust stroke width based on the size of data.
- * TODO: use dip rather than pixels.
- */
- private void showWave(ShortBuffer waveBuffer, int startPosition, int endPosition) {
- final int w = ((View) mImage.getParent()).getWidth();
- final int h = mImage.getHeight();
- if (w <= 0 || h <= 0) {
- // view is not visible this time. Skip drawing.
- return;
- }
- final Bitmap b = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
- final Canvas c = new Canvas(b);
- final Paint paint = new Paint();
- paint.setColor(0xFFFFFFFF); // 0xAARRGGBB
- paint.setAntiAlias(true);
- paint.setStyle(Paint.Style.STROKE);
- paint.setAlpha(0x90);
-
- final PathEffect effect = new CornerPathEffect(3);
- paint.setPathEffect(effect);
-
- final int numSamples = waveBuffer.remaining();
- int endIndex;
- if (endPosition == 0) {
- endIndex = numSamples;
- } else {
- endIndex = Math.min(endPosition, numSamples);
- }
-
- int startIndex = startPosition - 2000; // include 250ms before speech
- if (startIndex < 0) {
- startIndex = 0;
- }
- final int numSamplePerWave = 200; // 8KHz 25ms = 200 samples
- final float scale = 10.0f / 65536.0f;
-
- final int count = (endIndex - startIndex) / numSamplePerWave;
- final float deltaX = 1.0f * w / count;
- int yMax = h / 2 - 10;
- Path path = new Path();
- c.translate(0, yMax);
- float x = 0;
- path.moveTo(x, 0);
- yMax -= 10;
- for (int i = 0; i < count; i++) {
- final int avabs = getAverageAbs(waveBuffer, startIndex, i , numSamplePerWave);
- int sign = ( (i & 01) == 0) ? -1 : 1;
- final float y = Math.min(yMax, avabs * h * scale) * sign;
- path.lineTo(x, y);
- x += deltaX;
- path.lineTo(x, y);
- }
- if (deltaX > 4) {
- paint.setStrokeWidth(3);
- } else {
- paint.setStrokeWidth(Math.max(1, (int) (deltaX -.05)));
- }
- c.drawPath(path, paint);
- mImage.setImageBitmap(b);
- mImage.setVisibility(View.VISIBLE);
- MarginLayoutParams mProgressParams = (MarginLayoutParams)mProgress.getLayoutParams();
- mProgressParams.topMargin = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
- -h / 2 - 18, mContext.getResources().getDisplayMetrics());
-
- // Tweak the padding manually to fill out the whole view horizontally.
- // TODO: Do this in the xml layout instead.
- ((View) mImage.getParent()).setPadding(4, ((View) mImage.getParent()).getPaddingTop(), 3,
- ((View) mImage.getParent()).getPaddingBottom());
- mProgress.setLayoutParams(mProgressParams);
- }
-
-
- public void finish() {
- mUiHandler.post(new Runnable() {
- public void run() {
- mState = State.READY;
- exitWorking();
- }
- });
- }
-
- private void exitWorking() {
- mProgress.setVisibility(View.GONE);
- mImage.setVisibility(View.VISIBLE);
- }
-}
generated by cgit v1.2.3-83-g751a (git 2.47.1) at 2025-05-05 09:48:29 +0000