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Merge "Adding 'delightful pagination' to folders, removed old animation and now have regular scrolling for navigating pages." into tm-qpr-dev

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This commit is contained in:
Federico Baron
2022-09-22 01:10:48 +00:00
committed by Android (Google) Code Review
parent beccfe5928 f837fd1795
commit 06c0f35c4e
3 changed files with 146 additions and 55 deletions
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2
res/values/dimens.xml
View File

@@ -248,6 +248,8 @@
<!-- Folders -->
<dimen name="page_indicator_dot_size">8dp</dimen>
<dimen name="page_indicator_current_page_indicator_size">10dp</dimen>
<dimen name="folder_cell_x_padding">9dp</dimen>
<dimen name="folder_cell_y_padding">6dp</dimen>

5
src/com/android/launcher3/config/FeatureFlags.java
View File

@@ -292,6 +292,11 @@ public final class FeatureFlags {
public static final BooleanFlag ENABLE_WIDGET_PICKER_DEPTH = new DeviceFlag(
"ENABLE_WIDGET_PICKER_DEPTH", false, "Enable changing depth in widget picker.");
public static final BooleanFlag SHOW_DELIGHTFUL_PAGINATION_FOLDER = new DeviceFlag(
"SHOW_DELIGHTFUL_PAGINATION_FOLDER", false,
"Enable showing the new 'delightful pagination'"
+ " which is a brand new animation for folder pagination");
public static void initialize(Context context) {
synchronized (sDebugFlags) {
for (DebugFlag flag : sDebugFlags) {

194
src/com/android/launcher3/pageindicators/PageIndicatorDots.java
View File

@@ -16,6 +16,8 @@
package com.android.launcher3.pageindicators;
import static com.android.launcher3.config.FeatureFlags.SHOW_DELIGHTFUL_PAGINATION_FOLDER;
import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.animation.AnimatorSet;
@@ -37,6 +39,7 @@ import android.view.animation.OvershootInterpolator;
import com.android.launcher3.R;
import com.android.launcher3.Utilities;
import com.android.launcher3.anim.Interpolators;
import com.android.launcher3.util.Themes;
/**
@@ -55,6 +58,7 @@ public class PageIndicatorDots extends View implements PageIndicator {
private static final int DOT_ACTIVE_ALPHA = 255;
private static final int DOT_INACTIVE_ALPHA = 128;
private static final int DOT_GAP_FACTOR = 3;
// This value approximately overshoots to 1.5 times the original size.
private static final float ENTER_ANIMATION_OVERSHOOT_TENSION = 4.9f;
@@ -76,21 +80,25 @@ public class PageIndicatorDots extends View implements PageIndicator {
}
};
private final Paint mCirclePaint;
private final Paint mPaginationPaint;
private final float mDotRadius;
private final float mCircleGap;
private final float mPageIndicatorSize;
private final boolean mIsRtl;
private int mNumPages;
private int mActivePage;
private int mCurrentScroll;
private int mTotalScroll;
/**
* The current position of the active dot including the animation progress.
* For ex:
* 0.0 => Active dot is at position 0
* 0.33 => Active dot is at position 0 and is moving towards 1
* 0.50 => Active dot is at position [0, 1]
* 0.77 => Active dot has left position 0 and is collapsing towards position 1
* 1.0 => Active dot is at position 1
* 0.0 => Active dot is at position 0
* 0.33 => Active dot is at position 0 and is moving towards 1
* 0.50 => Active dot is at position [0, 1]
* 0.77 => Active dot has left position 0 and is collapsing towards position 1
* 1.0 => Active dot is at position 1
*/
private float mCurrentPosition;
private float mFinalPosition;
@@ -109,37 +117,51 @@ public class PageIndicatorDots extends View implements PageIndicator {
public PageIndicatorDots(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
mCirclePaint = new Paint(Paint.ANTI_ALIAS_FLAG);
mCirclePaint.setStyle(Style.FILL);
mCirclePaint.setColor(Themes.getAttrColor(context, R.attr.folderPaginationColor));
mPaginationPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
mPaginationPaint.setStyle(Style.FILL);
mPaginationPaint.setColor(Themes.getAttrColor(context, R.attr.folderPaginationColor));
mDotRadius = getResources().getDimension(R.dimen.page_indicator_dot_size) / 2;
setOutlineProvider(new MyOutlineProver());
mCircleGap = DOT_GAP_FACTOR * mDotRadius;
mPageIndicatorSize = getResources().getDimension(
R.dimen.page_indicator_current_page_indicator_size);
if (!SHOW_DELIGHTFUL_PAGINATION_FOLDER.get()) {
setOutlineProvider(new MyOutlineProver());
}
mIsRtl = Utilities.isRtl(getResources());
}
@Override
public void setScroll(int currentScroll, int totalScroll) {
if (mNumPages > 1) {
if (mIsRtl) {
currentScroll = totalScroll - currentScroll;
}
int scrollPerPage = totalScroll / (mNumPages - 1);
int pageToLeft = currentScroll / scrollPerPage;
int pageToLeftScroll = pageToLeft * scrollPerPage;
int pageToRightScroll = pageToLeftScroll + scrollPerPage;
if (mNumPages <= 1) {
return;
}
float scrollThreshold = SHIFT_THRESHOLD * scrollPerPage;
if (currentScroll < pageToLeftScroll + scrollThreshold) {
// scroll is within the left page's threshold
animateToPosition(pageToLeft);
} else if (currentScroll > pageToRightScroll - scrollThreshold) {
// scroll is far enough from left page to go to the right page
animateToPosition(pageToLeft + 1);
} else {
// scroll is between left and right page
animateToPosition(pageToLeft + SHIFT_PER_ANIMATION);
}
if (mIsRtl) {
currentScroll = totalScroll - currentScroll;
}
if (SHOW_DELIGHTFUL_PAGINATION_FOLDER.get()) {
mCurrentScroll = currentScroll;
mTotalScroll = totalScroll;
invalidate();
return;
}
int scrollPerPage = totalScroll / (mNumPages - 1);
int pageToLeft = currentScroll / scrollPerPage;
int pageToLeftScroll = pageToLeft * scrollPerPage;
int pageToRightScroll = pageToLeftScroll + scrollPerPage;
float scrollThreshold = SHIFT_THRESHOLD * scrollPerPage;
if (currentScroll < pageToLeftScroll + scrollThreshold) {
// scroll is within the left page's threshold
animateToPosition(pageToLeft);
} else if (currentScroll > pageToRightScroll - scrollThreshold) {
// scroll is far enough from left page to go to the right page
animateToPosition(pageToLeft + 1);
} else {
// scroll is between left and right page
animateToPosition(pageToLeft + SHIFT_PER_ANIMATION);
}
}
@@ -177,7 +199,7 @@ public class PageIndicatorDots extends View implements PageIndicator {
}
public void playEntryAnimation() {
int count = mEntryAnimationRadiusFactors.length;
int count = mEntryAnimationRadiusFactors.length;
if (count == 0) {
mEntryAnimationRadiusFactors = null;
invalidate();
@@ -231,16 +253,16 @@ public class PageIndicatorDots extends View implements PageIndicator {
// Add extra spacing of mDotRadius on all sides so than entry animation could be run.
int width = MeasureSpec.getMode(widthMeasureSpec) == MeasureSpec.EXACTLY ?
MeasureSpec.getSize(widthMeasureSpec) : (int) ((mNumPages * 3 + 2) * mDotRadius);
int height= MeasureSpec.getMode(heightMeasureSpec) == MeasureSpec.EXACTLY ?
MeasureSpec.getSize(heightMeasureSpec) : (int) (4 * mDotRadius);
int height = MeasureSpec.getMode(heightMeasureSpec) == MeasureSpec.EXACTLY
? MeasureSpec.getSize(heightMeasureSpec) : (int) (4 * mDotRadius);
setMeasuredDimension(width, height);
}
@Override
protected void onDraw(Canvas canvas) {
// Draw all page indicators;
float circleGap = 3 * mDotRadius;
float startX = (getWidth() - mNumPages * circleGap + mDotRadius) / 2;
float circleGap = mCircleGap;
float startX = (getWidth() - (mNumPages * circleGap) + mDotRadius) / 2;
float x = startX + mDotRadius;
float y = getHeight() / 2;
@@ -252,43 +274,88 @@ public class PageIndicatorDots extends View implements PageIndicator {
circleGap = -circleGap;
}
for (int i = 0; i < mEntryAnimationRadiusFactors.length; i++) {
mCirclePaint.setAlpha(i == mActivePage ? DOT_ACTIVE_ALPHA : DOT_INACTIVE_ALPHA);
canvas.drawCircle(x, y, mDotRadius * mEntryAnimationRadiusFactors[i], mCirclePaint);
mPaginationPaint.setAlpha(i == mActivePage ? DOT_ACTIVE_ALPHA : DOT_INACTIVE_ALPHA);
if (SHOW_DELIGHTFUL_PAGINATION_FOLDER.get()) {
canvas.drawCircle(x, y, getRadius(x) * mEntryAnimationRadiusFactors[i],
mPaginationPaint);
} else {
canvas.drawCircle(x, y, mDotRadius * mEntryAnimationRadiusFactors[i],
mPaginationPaint);
}
x += circleGap;
}
} else {
mCirclePaint.setAlpha(DOT_INACTIVE_ALPHA);
mPaginationPaint.setAlpha(DOT_INACTIVE_ALPHA);
for (int i = 0; i < mNumPages; i++) {
canvas.drawCircle(x, y, mDotRadius, mCirclePaint);
if (SHOW_DELIGHTFUL_PAGINATION_FOLDER.get()) {
canvas.drawCircle(x, y, getRadius(x), mPaginationPaint);
} else {
canvas.drawCircle(x, y, mDotRadius, mPaginationPaint);
}
x += circleGap;
}
mCirclePaint.setAlpha(DOT_ACTIVE_ALPHA);
canvas.drawRoundRect(getActiveRect(), mDotRadius, mDotRadius, mCirclePaint);
mPaginationPaint.setAlpha(DOT_ACTIVE_ALPHA);
if (SHOW_DELIGHTFUL_PAGINATION_FOLDER.get()) {
canvas.drawRect(getActiveRect(), mPaginationPaint);
} else {
canvas.drawRoundRect(getActiveRect(), mDotRadius, mDotRadius, mPaginationPaint);
}
}
}
/**
* Returns the radius of the circle based on how close the page indicator is to it
*
* @param dotPositionX is the position the dot is located at in the x-axis
*/
private float getRadius(float dotPositionX) {
float startXIndicator =
((getWidth() - (mNumPages * mCircleGap) + mDotRadius) / 2) - getOffset();
float indicatorPosition = startXIndicator + getIndicatorScrollDistance()
+ (mPageIndicatorSize / 2);
// If the indicator gets close enough to a dot then we change the radius
// of the dot based on how close the indicator is to it.
float dotDistance = Math.abs(indicatorPosition - dotPositionX);
if (dotDistance <= mCircleGap) {
return Utilities.mapToRange(dotDistance, 0, mCircleGap, 0f, mDotRadius,
Interpolators.LINEAR);
}
return mDotRadius;
}
private RectF getActiveRect() {
float startCircle = (int) mCurrentPosition;
float delta = mCurrentPosition - startCircle;
float diameter = 2 * mDotRadius;
float circleGap = 3 * mDotRadius;
float startX = (getWidth() - mNumPages * circleGap + mDotRadius) / 2;
float startX;
sTempRect.top = getHeight() * 0.5f - mDotRadius;
sTempRect.bottom = getHeight() * 0.5f + mDotRadius;
sTempRect.left = startX + startCircle * circleGap;
sTempRect.right = sTempRect.left + diameter;
if (delta < SHIFT_PER_ANIMATION) {
// dot is capturing the right circle.
sTempRect.right += delta * circleGap * 2;
if (SHOW_DELIGHTFUL_PAGINATION_FOLDER.get()) {
startX = ((getWidth() - (mNumPages * mCircleGap) + mDotRadius) / 2) - getOffset();
sTempRect.top = (getHeight() - mPageIndicatorSize) * 0.5f;
sTempRect.bottom = (getHeight() + mPageIndicatorSize) * 0.5f;
sTempRect.left = startX + getIndicatorScrollDistance();
sTempRect.right = sTempRect.left + mPageIndicatorSize;
} else {
// Dot is leaving the left circle.
sTempRect.right += circleGap;
startX = ((getWidth() - (mNumPages * mCircleGap) + mDotRadius) / 2);
sTempRect.top = (getHeight() * 0.5f) - mDotRadius;
sTempRect.bottom = (getHeight() * 0.5f) + mDotRadius;
sTempRect.left = startX + (startCircle * mCircleGap);
sTempRect.right = sTempRect.left + diameter;
delta -= SHIFT_PER_ANIMATION;
sTempRect.left += delta * circleGap * 2;
if (delta < SHIFT_PER_ANIMATION) {
// dot is capturing the right circle.
sTempRect.right += delta * mCircleGap * 2;
} else {
// Dot is leaving the left circle.
sTempRect.right += mCircleGap;
delta -= SHIFT_PER_ANIMATION;
sTempRect.left += delta * mCircleGap * 2;
}
}
if (mIsRtl) {
@@ -296,9 +363,26 @@ public class PageIndicatorDots extends View implements PageIndicator {
sTempRect.right = getWidth() - sTempRect.left;
sTempRect.left = sTempRect.right - rectWidth;
}
return sTempRect;
}
/**
* The offset between the radius of the dot and the midpoint of the indicator so that
* the indicator is centered in with the indicator circles
*/
private float getOffset() {
return (mPageIndicatorSize / 2) - mDotRadius;
}
/**
* The current scroll adjusted for the distance the indicator needs to travel on the screen
*/
private float getIndicatorScrollDistance() {
float scrollPerPage = mNumPages > 1 ? mTotalScroll / (mNumPages - 1) : 0;
return scrollPerPage != 0 ? ((float) mCurrentScroll / scrollPerPage) * mCircleGap : 0;
}
private class MyOutlineProver extends ViewOutlineProvider {
@Override