diff options
Diffstat (limited to 'java/com/android/dialer/dialpadview/PseudoEmergencyAnimator.java')
-rw-r--r-- | java/com/android/dialer/dialpadview/PseudoEmergencyAnimator.java | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/java/com/android/dialer/dialpadview/PseudoEmergencyAnimator.java b/java/com/android/dialer/dialpadview/PseudoEmergencyAnimator.java new file mode 100644 index 000000000..16bdd24c1 --- /dev/null +++ b/java/com/android/dialer/dialpadview/PseudoEmergencyAnimator.java @@ -0,0 +1,142 @@ +/* + * Copyright (C) 2015 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.dialer.dialpadview; + +import android.animation.Animator; +import android.animation.Animator.AnimatorListener; +import android.animation.ArgbEvaluator; +import android.animation.ValueAnimator; +import android.content.Context; +import android.graphics.Color; +import android.graphics.ColorFilter; +import android.graphics.LightingColorFilter; +import android.os.Handler; +import android.os.Vibrator; +import android.view.View; + +/** Animates the dial button on "emergency" phone numbers. */ +public class PseudoEmergencyAnimator { + + static final String PSEUDO_EMERGENCY_NUMBER = "01189998819991197253"; + private static final int VIBRATE_LENGTH_MILLIS = 200; + private static final int ITERATION_LENGTH_MILLIS = 1000; + private static final int ANIMATION_ITERATION_COUNT = 6; + private ViewProvider mViewProvider; + private ValueAnimator mPseudoEmergencyColorAnimator; + + PseudoEmergencyAnimator(ViewProvider viewProvider) { + mViewProvider = viewProvider; + } + + public void destroy() { + end(); + mViewProvider = null; + } + + public void start() { + if (mPseudoEmergencyColorAnimator == null) { + Integer colorFrom = Color.BLUE; + Integer colorTo = Color.RED; + mPseudoEmergencyColorAnimator = + ValueAnimator.ofObject(new ArgbEvaluator(), colorFrom, colorTo); + + mPseudoEmergencyColorAnimator.addUpdateListener( + animator -> { + try { + int color = (int) animator.getAnimatedValue(); + ColorFilter colorFilter = new LightingColorFilter(Color.BLACK, color); + + if (mViewProvider.getFab() != null) { + mViewProvider.getFab().getBackground().setColorFilter(colorFilter); + } + } catch (Exception e) { + animator.cancel(); + } + }); + + mPseudoEmergencyColorAnimator.addListener( + new AnimatorListener() { + @Override + public void onAnimationCancel(Animator animation) {} + + @Override + public void onAnimationRepeat(Animator animation) { + try { + vibrate(VIBRATE_LENGTH_MILLIS); + } catch (Exception e) { + animation.cancel(); + } + } + + @Override + public void onAnimationStart(Animator animation) {} + + @Override + public void onAnimationEnd(Animator animation) { + try { + if (mViewProvider.getFab() != null) { + mViewProvider.getFab().getBackground().clearColorFilter(); + } + + new Handler() + .postDelayed( + () -> { + try { + vibrate(VIBRATE_LENGTH_MILLIS); + } catch (Exception e) { + // ignored + } + }, + ITERATION_LENGTH_MILLIS); + } catch (Exception e) { + animation.cancel(); + } + } + }); + + mPseudoEmergencyColorAnimator.setDuration(VIBRATE_LENGTH_MILLIS); + mPseudoEmergencyColorAnimator.setRepeatMode(ValueAnimator.REVERSE); + mPseudoEmergencyColorAnimator.setRepeatCount(ANIMATION_ITERATION_COUNT); + } + if (!mPseudoEmergencyColorAnimator.isStarted()) { + mPseudoEmergencyColorAnimator.start(); + } + } + + public void end() { + if (mPseudoEmergencyColorAnimator != null && mPseudoEmergencyColorAnimator.isStarted()) { + mPseudoEmergencyColorAnimator.end(); + } + } + + private void vibrate(long milliseconds) { + Context context = mViewProvider.getContext(); + if (context != null) { + Vibrator vibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE); + if (vibrator != null) { + vibrator.vibrate(milliseconds); + } + } + } + + interface ViewProvider { + + View getFab(); + + Context getContext(); + } +} |