1 files changed, 131 insertions, 0 deletions
diff --git a/src/com/android/camera/ui/CountDownView.java b/src/com/android/camera/ui/CountDownView.java
new file mode 100644
index 000000000..907d33508
--- /dev/null
+++ b/src/com/android/camera/ui/CountDownView.java
@@ -0,0 +1,131 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * 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.camera.ui;
+
+import java.util.Locale;
+
+import android.content.Context;
+import android.media.AudioManager;
+import android.media.SoundPool;
+import android.os.Handler;
+import android.os.Message;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.View;
+import android.view.animation.Animation;
+import android.view.animation.AnimationUtils;
+import android.widget.FrameLayout;
+import android.widget.TextView;
+
+import com.android.gallery3d.R;
+
+public class CountDownView extends FrameLayout {
+
+    private static final String TAG = "CAM_CountDownView";
+    private static final int SET_TIMER_TEXT = 1;
+    private TextView mRemainingSecondsView;
+    private int mRemainingSecs = 0;
+    private OnCountDownFinishedListener mListener;
+    private Animation mCountDownAnim;
+    private SoundPool mSoundPool;
+    private int mBeepTwice;
+    private int mBeepOnce;
+    private boolean mPlaySound;
+    private final Handler mHandler = new MainHandler();
+
+    public CountDownView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        mCountDownAnim = AnimationUtils.loadAnimation(context, R.anim.count_down_exit);
+        // Load the beeps
+        mSoundPool = new SoundPool(1, AudioManager.STREAM_NOTIFICATION, 0);
+        mBeepOnce = mSoundPool.load(context, R.raw.beep_once, 1);
+        mBeepTwice = mSoundPool.load(context, R.raw.beep_twice, 1);
+    }
+
+    public boolean isCountingDown() {
+        return mRemainingSecs > 0;
+    };
+
+    public interface OnCountDownFinishedListener {
+        public void onCountDownFinished();
+    }
+
+    private void remainingSecondsChanged(int newVal) {
+        mRemainingSecs = newVal;
+        if (newVal == 0) {
+            // Countdown has finished
+            setVisibility(View.INVISIBLE);
+            mListener.onCountDownFinished();
+        } else {
+            Locale locale = getResources().getConfiguration().locale;
+            String localizedValue = String.format(locale, "%d", newVal);
+            mRemainingSecondsView.setText(localizedValue);
+            // Fade-out animation
+            mCountDownAnim.reset();
+            mRemainingSecondsView.clearAnimation();
+            mRemainingSecondsView.startAnimation(mCountDownAnim);
+
+            // Play sound effect for the last 3 seconds of the countdown
+            if (mPlaySound) {
+                if (newVal == 1) {
+                    mSoundPool.play(mBeepTwice, 1.0f, 1.0f, 0, 0, 1.0f);
+                } else if (newVal <= 3) {
+                    mSoundPool.play(mBeepOnce, 1.0f, 1.0f, 0, 0, 1.0f);
+                }
+            }
+            // Schedule the next remainingSecondsChanged() call in 1 second
+            mHandler.sendEmptyMessageDelayed(SET_TIMER_TEXT, 1000);
+        }
+    }
+
+    @Override
+    protected void onFinishInflate() {
+        super.onFinishInflate();
+        mRemainingSecondsView = (TextView) findViewById(R.id.remaining_seconds);
+    }
+
+    public void setCountDownFinishedListener(OnCountDownFinishedListener listener) {
+        mListener = listener;
+    }
+
+    public void startCountDown(int sec, boolean playSound) {
+        if (sec <= 0) {
+            Log.w(TAG, "Invalid input for countdown timer: " + sec + " seconds");
+            return;
+        }
+        setVisibility(View.VISIBLE);
+        mPlaySound = playSound;
+        remainingSecondsChanged(sec);
+    }
+
+    public void cancelCountDown() {
+        if (mRemainingSecs > 0) {
+            mRemainingSecs = 0;
+            mHandler.removeMessages(SET_TIMER_TEXT);
+            setVisibility(View.INVISIBLE);
+        }
+    }
+
+    private class MainHandler extends Handler {
+        @Override
+        public void handleMessage(Message message) {
+            if (message.what == SET_TIMER_TEXT) {
+                remainingSecondsChanged(mRemainingSecs -1);
+            }
+        }
+    }
+}
+\ No newline at end of file