Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit a97776ab authored by Jason Monk's avatar Jason Monk
Browse files

Actually fix the QS anim curves

Also fix the gravity of the panel in landscape

Bug: 27201532
Change-Id: I56b33fb142afdabd9461177f15434a7d78b9f8bc
parent bc8ffc2f
Loading
Loading
Loading
Loading
+153 −0
Original line number Diff line number Diff line
/*
 * Copyright (C) 2016 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.systemui.qs;

import android.graphics.Path;
import android.view.animation.BaseInterpolator;
import android.view.animation.Interpolator;

public class PathInterpolatorBuilder {

    // This governs how accurate the approximation of the Path is.
    private static final float PRECISION = 0.002f;

    private float[] mX; // x coordinates in the line
    private float[] mY; // y coordinates in the line
    private float[] mDist; // Cumulative percentage length of the line

    public PathInterpolatorBuilder(Path path) {
        initPath(path);
    }

    public PathInterpolatorBuilder(float controlX, float controlY) {
        initQuad(controlX, controlY);
    }

    public PathInterpolatorBuilder(float controlX1, float controlY1, float controlX2,
            float controlY2) {
        initCubic(controlX1, controlY1, controlX2, controlY2);
    }

    private void initQuad(float controlX, float controlY) {
        Path path = new Path();
        path.moveTo(0, 0);
        path.quadTo(controlX, controlY, 1f, 1f);
        initPath(path);
    }

    private void initCubic(float x1, float y1, float x2, float y2) {
        Path path = new Path();
        path.moveTo(0, 0);
        path.cubicTo(x1, y1, x2, y2, 1f, 1f);
        initPath(path);
    }

    private void initPath(Path path) {
        float[] pointComponents = path.approximate(PRECISION);

        int numPoints = pointComponents.length / 3;
        if (pointComponents[1] != 0 || pointComponents[2] != 0
                || pointComponents[pointComponents.length - 2] != 1
                || pointComponents[pointComponents.length - 1] != 1) {
            throw new IllegalArgumentException("The Path must start at (0,0) and end at (1,1)");
        }

        mX = new float[numPoints];
        mY = new float[numPoints];
        mDist = new float[numPoints];
        float prevX = 0;
        float prevFraction = 0;
        int componentIndex = 0;
        for (int i = 0; i < numPoints; i++) {
            float fraction = pointComponents[componentIndex++];
            float x = pointComponents[componentIndex++];
            float y = pointComponents[componentIndex++];
            if (fraction == prevFraction && x != prevX) {
                throw new IllegalArgumentException(
                        "The Path cannot have discontinuity in the X axis.");
            }
            if (x < prevX) {
                throw new IllegalArgumentException("The Path cannot loop back on itself.");
            }
            mX[i] = x;
            mY[i] = y;
            if (i > 0) {
                float dx = mX[i] - mX[i - 1];
                float dy = mY[i] - mY[i - 1];
                float dist = (float) Math.sqrt(dx * dx + dy * dy);
                mDist[i] = mDist[i - 1] + dist;
            }
            prevX = x;
            prevFraction = fraction;
        }
        // Scale down dist to 0-1.
        float max = mDist[mDist.length - 1];
        for (int i = 0; i < numPoints; i++) {
            mDist[i] /= max;
        }
    }

    public Interpolator getXInterpolator() {
        return new PathInterpolator(mDist, mX);
    }

    public Interpolator getYInterpolator() {
        return new PathInterpolator(mDist, mY);
    }

    private static class PathInterpolator extends BaseInterpolator {
        private final float[] mX; // x coordinates in the line
        private final float[] mY; // y coordinates in the line

        private PathInterpolator(float[] xs, float[] ys) {
            mX = xs;
            mY = ys;
        }

        @Override
        public float getInterpolation(float t) {
            if (t <= 0) {
                return 0;
            } else if (t >= 1) {
                return 1;
            }
            // Do a binary search for the correct x to interpolate between.
            int startIndex = 0;
            int endIndex = mX.length - 1;

            while (endIndex - startIndex > 1) {
                int midIndex = (startIndex + endIndex) / 2;
                if (t < mX[midIndex]) {
                    endIndex = midIndex;
                } else {
                    startIndex = midIndex;
                }
            }

            float xRange = mX[endIndex] - mX[startIndex];
            if (xRange == 0) {
                return mY[startIndex];
            }

            float tInRange = t - mX[startIndex];
            float fraction = tInRange / xRange;

            float startY = mY[startIndex];
            float endY = mY[endIndex];
            return startY + (fraction * (endY - startY));
        }
    }

}
+9 −6
Original line number Diff line number Diff line
@@ -53,7 +53,8 @@ public class QSAnimator implements Callback, PageListener, Listener, OnLayoutCha
    private boolean mOnFirstPage = true;
    private TouchAnimator mFirstPageAnimator;
    private TouchAnimator mFirstPageDelayedAnimator;
    private TouchAnimator mTranslationAnimator;
    private TouchAnimator mTranslationXAnimator;
    private TouchAnimator mTranslationYAnimator;
    private TouchAnimator mNonfirstPageAnimator;

    private boolean mOnKeyguard;
@@ -189,10 +190,11 @@ public class QSAnimator implements Callback, PageListener, Listener, OnLayoutCha
            Path path = new Path();
            path.moveTo(0, 0);
            path.cubicTo(0, 0, 0, 1, 1, 1);
            mTranslationAnimator = new TouchAnimator.Builder()
                    .addPath(translationXBuilder.build(), translationYBuilder.build(),
                            "position", "position", path)
                    .build();
            PathInterpolatorBuilder interpolatorBuilder = new PathInterpolatorBuilder(0, 0, 0, 1);
            translationXBuilder.setInterpolator(interpolatorBuilder.getXInterpolator());
            translationYBuilder.setInterpolator(interpolatorBuilder.getYInterpolator());
            mTranslationXAnimator = translationXBuilder.build();
            mTranslationYAnimator = translationYBuilder.build();
        }
        mNonfirstPageAnimator = new TouchAnimator.Builder()
                .addFloat(mQuickQsPanel, "alpha", 1, 0)
@@ -230,7 +232,8 @@ public class QSAnimator implements Callback, PageListener, Listener, OnLayoutCha
            mQuickQsPanel.setAlpha(1);
            mFirstPageAnimator.setPosition(position);
            mFirstPageDelayedAnimator.setPosition(position);
            mTranslationAnimator.setPosition(position);
            mTranslationXAnimator.setPosition(position);
            mTranslationYAnimator.setPosition(position);
        } else {
            mNonfirstPageAnimator.setPosition(position);
        }
+0 −47
Original line number Diff line number Diff line
@@ -14,11 +14,8 @@

package com.android.systemui.qs;

import android.graphics.Path;
import android.graphics.PathMeasure;
import android.util.FloatProperty;
import android.util.MathUtils;
import android.util.Pair;
import android.util.Property;
import android.view.View;
import android.view.animation.Interpolator;
@@ -141,19 +138,6 @@ public class TouchAnimator {
            return this;
        }

        public Builder addPath(Object target, String xProp, String yProp,
                Path path) {
            return addPath(target, target, xProp, yProp, path);
        }

        public Builder addPath(Object xTarget, Object yTarget, String xProp, String yProp,
                Path path) {
            add(new Pair<>(xTarget, yTarget),
                    KeyframeSet.ofPath(getProperty(xTarget, xProp, float.class),
                    getProperty(yTarget, yProp, float.class), path));
            return this;
        }

        private void add(Object target, KeyframeSet keyframeSet) {
            mTargets.add(target);
            mValues.add(keyframeSet);
@@ -241,10 +225,6 @@ public class TouchAnimator {
        public static KeyframeSet ofFloat(Property property, float... values) {
            return new FloatKeyframeSet((Property<?, Float>) property, values);
        }

        public static KeyframeSet ofPath(Property xProp, Property yProp, Path path) {
            return new PathKeyframeSet<>(xProp, yProp, path);
        }
    }

    private static class FloatKeyframeSet<T> extends KeyframeSet {
@@ -282,31 +262,4 @@ public class TouchAnimator {
            mProperty.set((T) target, (int) (firstFloat + (secondFloat - firstFloat) * amount));
        }
    }

    private static class PathKeyframeSet<T> extends KeyframeSet {
        private final Property<T, Float> mXProp;
        private final Property<T, Float> mYProp;
        private final Path mPath;
        private final PathMeasure mPathMeasure;
        private final float mLength;
        private final float[] mPos;

        public PathKeyframeSet(Property<T, Float> xProp, Property<T, Float> yProp, Path path) {
            super(2);
            mXProp = xProp;
            mYProp = yProp;
            mPath = path;
            mPathMeasure = new PathMeasure(mPath, false);
            mLength = mPathMeasure.getLength();
            mPos = new float[2];
        }

        @Override
        protected void interpolate(int index, float amount, Object target) {
            Pair<Object, Object> targets = (Pair<Object, Object>) target;
            mPathMeasure.getPosTan(amount * mLength, mPos, null);
            mXProp.set((T) targets.first, mPos[0]);
            mYProp.set((T) targets.second, mPos[1]);
        }
    }
}
+1 −1
Original line number Diff line number Diff line
@@ -281,7 +281,7 @@ public class NotificationPanelView extends PanelView implements
        if (lp.width != panelWidth) {
            lp.width = panelWidth;
            lp.gravity = panelGravity;
            mQsContainer.setLayoutParams(lp);
            mQsDensityContainer.setLayoutParams(lp);
            mQsContainer.post(mUpdateHeader);
        }