(Refactor 1) Moved voice related codes to deprecated/voice

Change-Id: I008ac7099c815fb74a9ab374419617b336453f97

1 files changed, 155 insertions, 0 deletions

diff --git a/java/src/com/android/inputmethod/deprecated/voice/SoundIndicator.java b/java/src/com/android/inputmethod/deprecated/voice/SoundIndicator.java
new file mode 100644
index 000000000..8cc79de1e
--- /dev/null
+++ b/java/src/com/android/inputmethod/deprecated/voice/SoundIndicator.java
@@ -0,0 +1,155 @@
+/*
+ * Copyright (C) 2011 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.deprecated.voice;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.Bitmap.Config;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.PorterDuff;
+import android.graphics.PorterDuffXfermode;
+import android.graphics.Rect;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
+import android.os.Handler;
+import android.util.AttributeSet;
+import android.widget.ImageView;
+
+import com.android.inputmethod.latin.R;
+
+/**
+ * A widget which shows the volume of audio using a microphone icon
+ */
+public class SoundIndicator extends ImageView {
+    @SuppressWarnings("unused")
+    private static final String TAG = "SoundIndicator";
+
+    private static final float UP_SMOOTHING_FACTOR = 0.9f;
+    private static final float DOWN_SMOOTHING_FACTOR = 0.4f;
+
+    private static final float AUDIO_METER_MIN_DB = 7.0f;
+    private static final float AUDIO_METER_DB_RANGE = 20.0f;
+
+    private static final long FRAME_DELAY = 50;
+
+    private Bitmap mDrawingBuffer;
+    private Canvas mBufferCanvas;
+    private Bitmap mEdgeBitmap;
+    private float mLevel = 0.0f;
+    private Drawable mFrontDrawable;
+    private Paint mClearPaint;
+    private Paint mMultPaint;
+    private int mEdgeBitmapOffset;
+
+    private Handler mHandler;
+
+    private Runnable mDrawFrame = new Runnable() {
+        public void run() {
+            invalidate();
+            mHandler.postDelayed(mDrawFrame, FRAME_DELAY);
+        }
+    };
+
+    public SoundIndicator(Context context) {
+        this(context, null);
+    }
+
+    public SoundIndicator(Context context, AttributeSet attrs) {
+        super(context, attrs);
+
+        mFrontDrawable = getDrawable();
+        BitmapDrawable edgeDrawable =
+                (BitmapDrawable) context.getResources().getDrawable(R.drawable.vs_popup_mic_edge);
+        mEdgeBitmap = edgeDrawable.getBitmap();
+        mEdgeBitmapOffset = mEdgeBitmap.getHeight() / 2;
+
+        mDrawingBuffer =
+                Bitmap.createBitmap(mFrontDrawable.getIntrinsicWidth(),
+                        mFrontDrawable.getIntrinsicHeight(), Config.ARGB_8888);
+
+        mBufferCanvas = new Canvas(mDrawingBuffer);
+
+        // Initialize Paints.
+        mClearPaint = new Paint();
+        mClearPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
+
+        mMultPaint = new Paint();
+        mMultPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.MULTIPLY));
+
+        mHandler = new Handler();
+    }
+
+    @Override
+    public void onDraw(Canvas canvas) {
+        //super.onDraw(canvas);
+
+        float w = getWidth();
+        float h = getHeight();
+
+        // Clear the buffer canvas
+        mBufferCanvas.drawRect(0, 0, w, h, mClearPaint);
+
+        // Set its clip so we don't draw the front image all the way to the top
+        Rect clip = new Rect(0,
+                (int) ((1.0 - mLevel) * (h + mEdgeBitmapOffset)) - mEdgeBitmapOffset,
+                (int) w,
+                (int) h);
+
+        mBufferCanvas.save();
+        mBufferCanvas.clipRect(clip);
+
+        // Draw the front image
+        mFrontDrawable.setBounds(new Rect(0, 0, (int) w, (int) h));
+        mFrontDrawable.draw(mBufferCanvas);
+
+        mBufferCanvas.restore();
+
+        // Draw the edge image on top of the buffer image with a multiply mode
+        mBufferCanvas.drawBitmap(mEdgeBitmap, 0, clip.top, mMultPaint);
+
+        // Draw the buffer image (on top of the background image)
+        canvas.drawBitmap(mDrawingBuffer, 0, 0, null);
+    }
+
+    /**
+     * Sets the sound level
+     *
+     * @param rmsdB The level of the sound, in dB.
+     */
+    public void setRmsdB(float rmsdB) {
+        float level = ((rmsdB - AUDIO_METER_MIN_DB) / AUDIO_METER_DB_RANGE);
+
+        level = Math.min(Math.max(0.0f, level), 1.0f);
+
+        // We smooth towards the new level
+        if (level > mLevel) {
+            mLevel = (level - mLevel) * UP_SMOOTHING_FACTOR + mLevel;
+        } else {
+            mLevel = (level - mLevel) * DOWN_SMOOTHING_FACTOR + mLevel;
+        }
+        invalidate();
+    }
+
+    public void start() {
+        mHandler.post(mDrawFrame);
+    }
+
+    public void stop() {
+        mHandler.removeCallbacks(mDrawFrame);
+    }
+}