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/*
* 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.incallui;
import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentManager;
import android.graphics.Outline;
import android.graphics.Point;
import android.os.Bundle;
import android.view.Display;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewAnimationUtils;
import android.view.ViewGroup;
import android.view.ViewOutlineProvider;
import android.view.ViewTreeObserver;
import android.view.ViewTreeObserver.OnPreDrawListener;
import com.android.contacts.common.util.MaterialColorMapUtils.MaterialPalette;
import com.android.dialer.R;
public class CircularRevealFragment extends Fragment {
static final String TAG = "CircularRevealFragment";
private Point mTouchPoint;
private OnCircularRevealCompleteListener mListener;
private boolean mAnimationStarted;
interface OnCircularRevealCompleteListener {
public void onCircularRevealComplete(FragmentManager fm);
}
public static void startCircularReveal(FragmentManager fm, Point touchPoint,
OnCircularRevealCompleteListener listener) {
if (fm.findFragmentByTag(TAG) == null) {
fm.beginTransaction().add(R.id.main,
new CircularRevealFragment(touchPoint, listener), TAG)
.commitAllowingStateLoss();
} else {
Log.w(TAG, "An instance of CircularRevealFragment already exists");
}
}
public static void endCircularReveal(FragmentManager fm) {
final Fragment fragment = fm.findFragmentByTag(TAG);
if (fragment != null) {
fm.beginTransaction().remove(fragment).commitAllowingStateLoss();
}
}
/**
* Empty constructor used only by the {@link FragmentManager}.
*/
public CircularRevealFragment() {}
public CircularRevealFragment(Point touchPoint, OnCircularRevealCompleteListener listener) {
mTouchPoint = touchPoint;
mListener = listener;
}
@Override
public void onResume() {
super.onResume();
if (!mAnimationStarted) {
// Only run the animation once for each instance of the fragment
startOutgoingAnimation(InCallPresenter.getInstance().getThemeColors());
}
mAnimationStarted = true;
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
return inflater.inflate(R.layout.outgoing_call_animation, container, false);
}
public void startOutgoingAnimation(MaterialPalette palette) {
final Activity activity = getActivity();
if (activity == null) {
Log.w(this, "Asked to do outgoing call animation when not attached");
return;
}
final View view = activity.getWindow().getDecorView();
// The circle starts from an initial size of 0 so clip it such that it is invisible.
// Otherwise the first frame is drawn with a fully opaque screen which causes jank. When
// the animation later starts, this clip will be clobbered by the circular reveal clip.
// See ViewAnimationUtils.createCircularReveal.
view.setOutlineProvider(new ViewOutlineProvider() {
@Override
public void getOutline(View view, Outline outline) {
// Using (0, 0, 0, 0) will not work since the outline will simply be treated as
// an empty outline.
outline.setOval(-1, -1, 0, 0);
}
});
view.setClipToOutline(true);
if (palette != null) {
view.findViewById(R.id.outgoing_call_animation_circle).setBackgroundColor(
palette.mPrimaryColor);
activity.getWindow().setStatusBarColor(palette.mSecondaryColor);
}
view.getViewTreeObserver().addOnPreDrawListener(new OnPreDrawListener() {
@Override
public boolean onPreDraw() {
final ViewTreeObserver vto = view.getViewTreeObserver();
if (vto.isAlive()) {
vto.removeOnPreDrawListener(this);
}
final Animator animator = getRevealAnimator(mTouchPoint);
if (animator != null) {
animator.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
view.setClipToOutline(false);
if (mListener != null) {
mListener.onCircularRevealComplete(getFragmentManager());
}
}
});
animator.start();
}
return false;
}
});
}
private Animator getRevealAnimator(Point touchPoint) {
final Activity activity = getActivity();
if (activity == null) {
return null;
}
final View view = activity.getWindow().getDecorView();
final Display display = activity.getWindowManager().getDefaultDisplay();
final Point size = new Point();
display.getSize(size);
int startX = size.x / 2;
int startY = size.y / 2;
if (touchPoint != null) {
startX = touchPoint.x;
startY = touchPoint.y;
}
final Animator valueAnimator = ViewAnimationUtils.createCircularReveal(view,
startX, startY, 0, Math.max(size.x, size.y));
valueAnimator.setDuration(getResources().getInteger(R.integer.reveal_animation_duration));
return valueAnimator;
}
}
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