diff options
Diffstat (limited to 'java/com/android/dialer/animation/AnimUtils.java')
| -rw-r--r-- | java/com/android/dialer/animation/AnimUtils.java | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/java/com/android/dialer/animation/AnimUtils.java b/java/com/android/dialer/animation/AnimUtils.java new file mode 100644 index 000000000..9c9396e56 --- /dev/null +++ b/java/com/android/dialer/animation/AnimUtils.java @@ -0,0 +1,247 @@ +/* + * Copyright (C) 2014 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.animation; + +import android.animation.Animator; +import android.animation.AnimatorListenerAdapter; +import android.animation.ValueAnimator; +import android.view.View; +import android.view.ViewPropertyAnimator; +import android.view.animation.Interpolator; +import com.android.dialer.compat.PathInterpolatorCompat; + +public class AnimUtils { + + public static final int DEFAULT_DURATION = -1; + public static final int NO_DELAY = 0; + + public static final Interpolator EASE_IN = PathInterpolatorCompat.create(0.0f, 0.0f, 0.2f, 1.0f); + public static final Interpolator EASE_OUT = PathInterpolatorCompat.create(0.4f, 0.0f, 1.0f, 1.0f); + public static final Interpolator EASE_OUT_EASE_IN = + PathInterpolatorCompat.create(0.4f, 0, 0.2f, 1); + + public static void crossFadeViews(View fadeIn, View fadeOut, int duration) { + fadeIn(fadeIn, duration); + fadeOut(fadeOut, duration); + } + + public static void fadeOut(View fadeOut, int duration) { + fadeOut(fadeOut, duration, null); + } + + public static void fadeOut(final View fadeOut, int durationMs, final AnimationCallback callback) { + fadeOut.setAlpha(1); + final ViewPropertyAnimator animator = fadeOut.animate(); + animator.cancel(); + animator + .alpha(0) + .withLayer() + .setListener( + new AnimatorListenerAdapter() { + @Override + public void onAnimationEnd(Animator animation) { + fadeOut.setVisibility(View.GONE); + if (callback != null) { + callback.onAnimationEnd(); + } + } + + @Override + public void onAnimationCancel(Animator animation) { + fadeOut.setVisibility(View.GONE); + fadeOut.setAlpha(0); + if (callback != null) { + callback.onAnimationCancel(); + } + } + }); + if (durationMs != DEFAULT_DURATION) { + animator.setDuration(durationMs); + } + animator.start(); + } + + public static void fadeIn(View fadeIn, int durationMs) { + fadeIn(fadeIn, durationMs, NO_DELAY, null); + } + + public static void fadeIn( + final View fadeIn, int durationMs, int delay, final AnimationCallback callback) { + fadeIn.setAlpha(0); + final ViewPropertyAnimator animator = fadeIn.animate(); + animator.cancel(); + + animator.setStartDelay(delay); + animator + .alpha(1) + .withLayer() + .setListener( + new AnimatorListenerAdapter() { + @Override + public void onAnimationStart(Animator animation) { + fadeIn.setVisibility(View.VISIBLE); + } + + @Override + public void onAnimationCancel(Animator animation) { + fadeIn.setAlpha(1); + if (callback != null) { + callback.onAnimationCancel(); + } + } + + @Override + public void onAnimationEnd(Animator animation) { + if (callback != null) { + callback.onAnimationEnd(); + } + } + }); + if (durationMs != DEFAULT_DURATION) { + animator.setDuration(durationMs); + } + animator.start(); + } + + /** + * Scales in the view from scale of 0 to actual dimensions. + * + * @param view The view to scale. + * @param durationMs The duration of the scaling in milliseconds. + * @param startDelayMs The delay to applying the scaling in milliseconds. + */ + public static void scaleIn(final View view, int durationMs, int startDelayMs) { + AnimatorListenerAdapter listener = + (new AnimatorListenerAdapter() { + @Override + public void onAnimationStart(Animator animation) { + view.setVisibility(View.VISIBLE); + } + + @Override + public void onAnimationCancel(Animator animation) { + view.setScaleX(1); + view.setScaleY(1); + } + }); + scaleInternal( + view, + 0 /* startScaleValue */, + 1 /* endScaleValue */, + durationMs, + startDelayMs, + listener, + EASE_IN); + } + + /** + * Scales out the view from actual dimensions to 0. + * + * @param view The view to scale. + * @param durationMs The duration of the scaling in milliseconds. + */ + public static void scaleOut(final View view, int durationMs) { + AnimatorListenerAdapter listener = + new AnimatorListenerAdapter() { + @Override + public void onAnimationEnd(Animator animation) { + view.setVisibility(View.GONE); + } + + @Override + public void onAnimationCancel(Animator animation) { + view.setVisibility(View.GONE); + view.setScaleX(0); + view.setScaleY(0); + } + }; + + scaleInternal( + view, + 1 /* startScaleValue */, + 0 /* endScaleValue */, + durationMs, + NO_DELAY, + listener, + EASE_OUT); + } + + private static void scaleInternal( + final View view, + int startScaleValue, + int endScaleValue, + int durationMs, + int startDelay, + AnimatorListenerAdapter listener, + Interpolator interpolator) { + view.setScaleX(startScaleValue); + view.setScaleY(startScaleValue); + + final ViewPropertyAnimator animator = view.animate(); + animator.cancel(); + + animator + .setInterpolator(interpolator) + .scaleX(endScaleValue) + .scaleY(endScaleValue) + .setListener(listener) + .withLayer(); + + if (durationMs != DEFAULT_DURATION) { + animator.setDuration(durationMs); + } + animator.setStartDelay(startDelay); + + animator.start(); + } + + /** + * Animates a view to the new specified dimensions. + * + * @param view The view to change the dimensions of. + * @param newWidth The new width of the view. + * @param newHeight The new height of the view. + */ + public static void changeDimensions(final View view, final int newWidth, final int newHeight) { + ValueAnimator animator = ValueAnimator.ofFloat(0f, 1f); + + final int oldWidth = view.getWidth(); + final int oldHeight = view.getHeight(); + final int deltaWidth = newWidth - oldWidth; + final int deltaHeight = newHeight - oldHeight; + + animator.addUpdateListener( + new ValueAnimator.AnimatorUpdateListener() { + @Override + public void onAnimationUpdate(ValueAnimator animator) { + Float value = (Float) animator.getAnimatedValue(); + + view.getLayoutParams().width = (int) (value * deltaWidth + oldWidth); + view.getLayoutParams().height = (int) (value * deltaHeight + oldHeight); + view.requestLayout(); + } + }); + animator.start(); + } + + public static class AnimationCallback { + + public void onAnimationEnd() {} + + public void onAnimationCancel() {} + } +} |