Merge "Add spring effect to adaptive icon foreground layer b/34841763" into ub-launcher3-dorval-polish

This commit is contained in:
TreeHugger Robot
2017-06-19 21:47:05 +00:00
committed by Android (Google) Code Review
2 changed files with 152 additions and 8 deletions
@@ -165,7 +165,7 @@ public class DragController implements DragDriver.EventListener, TouchController
? res.getDimensionPixelSize(R.dimen.pre_drag_view_scale) : 0f;
final DragView dragView = mDragObject.dragView = new DragView(mLauncher, b, registrationX,
registrationY, initialDragViewScale, scaleDps);
dragView.setItemInfo(dragInfo);
mDragObject.dragComplete = false;
if (mOptions.isAccessibleDrag) {
// For an accessible drag, we assume the view is being dragged from the center.
@@ -22,25 +22,44 @@ import android.animation.FloatArrayEvaluator;
import android.animation.ValueAnimator;
import android.animation.ValueAnimator.AnimatorUpdateListener;
import android.annotation.SuppressLint;
import android.content.pm.PackageManager;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.ColorMatrix;
import android.graphics.ColorMatrixColorFilter;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.Point;
import android.graphics.Rect;
import android.graphics.drawable.AdaptiveIconDrawable;
import android.graphics.drawable.Drawable;
import android.os.Handler;
import android.os.Looper;
import android.support.animation.DynamicAnimation;
import android.support.animation.SpringAnimation;
import android.support.animation.SpringForce;
import android.view.View;
import android.view.animation.DecelerateInterpolator;
import android.widget.FrameLayout;
import android.widget.ImageView;
import com.android.launcher3.ItemInfo;
import com.android.launcher3.Launcher;
import com.android.launcher3.LauncherAnimUtils;
import com.android.launcher3.LauncherModel;
import com.android.launcher3.LauncherSettings;
import com.android.launcher3.R;
import com.android.launcher3.Utilities;
import com.android.launcher3.config.FeatureFlags;
import com.android.launcher3.util.Themes;
import com.android.launcher3.util.Thunk;
import java.util.Arrays;
public class DragView extends View {
import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
public class DragView extends FrameLayout {
public static final int COLOR_CHANGE_DURATION = 120;
public static final int VIEW_ZOOM_DURATION = 150;
@@ -57,6 +76,7 @@ public class DragView extends View {
private Point mDragVisualizeOffset = null;
private Rect mDragRegion = null;
private final Launcher mLauncher;
private final DragLayer mDragLayer;
@Thunk final DragController mDragController;
private boolean mHasDrawn = false;
@@ -76,6 +96,20 @@ public class DragView extends View {
private int mAnimatedShiftX;
private int mAnimatedShiftY;
// Below variable only needed IF FeatureFlags.LAUNCHER3_SPRING_ICONS is {@code true}
private SpringAnimation mSpringX, mSpringY;
private ImageView mFgImageView, mBgImageView;
private Path mScaledMaskPath;
// TODO: figure out if there is smarter way to retrieve these two constants below
private final static float ADAPTIVE_ICON_SCALE = .731121626f;
private final static float ADAPTIVE_ICON_MASK_SCALE = 1.165f; //1.185f;
// Following three values are fine tuned with motion ux designer
private final static int STIFFNESS = 4000;
private final static float DAMPENING_RATIO = 1f;
private final static int PARALLAX_MAX_IN_DP = 8;
private final int mDelta;
/**
* Construct the drag view.
* <p>
@@ -89,6 +123,7 @@ public class DragView extends View {
public DragView(Launcher launcher, Bitmap bitmap, int registrationX, int registrationY,
final float initialScale, final float finalScaleDps) {
super(launcher);
mLauncher = launcher;
mDragLayer = launcher.getDragLayer();
mDragController = launcher.getDragController();
@@ -142,8 +177,119 @@ public class DragView extends View {
mPaint = new Paint(Paint.FILTER_BITMAP_FLAG);
mBlurSizeOutline = getResources().getDimensionPixelSize(R.dimen.blur_size_medium_outline);
setElevation(getResources().getDimension(R.dimen.drag_elevation));
setWillNotDraw(false);
mDelta = (int)(getResources().getDisplayMetrics().density * PARALLAX_MAX_IN_DP);
}
/**
* Initialize {@code #mIconDrawable} only if the icon type is app icon (not shortcut or folder).
*/
public void setItemInfo(final ItemInfo info) {
if (!(FeatureFlags.LAUNCHER3_SPRING_ICONS && Utilities.isAtLeastO())) {
return;
}
if (!(info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION
|| info.itemType == LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT)) {
return;
}
// Load the adaptive icon on a background thread and add the view in ui thread.
final Looper workerLooper = LauncherModel.getWorkerLooper();
new Handler(workerLooper).postAtFrontOfQueue(new Runnable() {
@Override
public void run() {
PackageManager pm = (mLauncher).getPackageManager();
try {
Drawable dr = pm.getActivityIcon(info.getTargetComponent());
if (dr instanceof AdaptiveIconDrawable) {
int w = mBitmap.getWidth();
int h = mBitmap.getHeight();
AdaptiveIconDrawable adaptiveIcon = (AdaptiveIconDrawable) dr;
adaptiveIcon.setBounds(0, 0, w, h);
setupMaskPath(adaptiveIcon);
mFgImageView = setupImageView(adaptiveIcon.getForeground());
mBgImageView = setupImageView(adaptiveIcon.getBackground());
mSpringX = setupSpringAnimation(-w/4, w/4, DynamicAnimation.TRANSLATION_X);
mSpringY = setupSpringAnimation(-h/4, h/4, DynamicAnimation.TRANSLATION_Y);
new Handler(Looper.getMainLooper()).post(new Runnable() {
@Override
public void run() {
addView(mBgImageView);
addView(mFgImageView);
setWillNotDraw(true);
}
});
}
} catch (PackageManager.NameNotFoundException e) { }
}});
}
private ImageView setupImageView(Drawable drawable) {
FrameLayout.LayoutParams params = new LayoutParams(MATCH_PARENT, MATCH_PARENT);
ImageView imageViewOut = new ImageView(getContext());
imageViewOut.setLayoutParams(params);
imageViewOut.setScaleType(ImageView.ScaleType.CENTER);
imageViewOut.setScaleX(ADAPTIVE_ICON_SCALE);
imageViewOut.setScaleY(ADAPTIVE_ICON_SCALE);
imageViewOut.setImageDrawable(drawable);
return imageViewOut;
}
private SpringAnimation setupSpringAnimation(int minValue, int maxValue,
DynamicAnimation.ViewProperty property) {
SpringAnimation s = new SpringAnimation(mFgImageView, property, 0);
s.setMinValue(minValue).setMaxValue(maxValue);
s.setSpring(new SpringForce(0)
.setDampingRatio(DAMPENING_RATIO)
.setStiffness(STIFFNESS));
return s;
}
private void setupMaskPath(AdaptiveIconDrawable dr) {
Matrix m = new Matrix();
m.setScale(ADAPTIVE_ICON_SCALE * ADAPTIVE_ICON_MASK_SCALE,
ADAPTIVE_ICON_SCALE * ADAPTIVE_ICON_MASK_SCALE,
dr.getBounds().centerX(),
dr.getBounds().centerY());
mScaledMaskPath = new Path();
dr.getIconMask().transform(m, mScaledMaskPath);
}
private void applySpring(int x, int y) {
if (mSpringX == null || mSpringY == null) {
return;
}
mSpringX.animateToFinalPosition(Utilities.boundToRange(x, -mDelta, mDelta));
mSpringY.animateToFinalPosition(Utilities.boundToRange(y, -mDelta, mDelta));
}
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
int w = right - left;
int h = bottom - top;
for (int i = 0; i < getChildCount(); i++) {
getChildAt(i).layout(-w / 4, -h / 4, w + w / 4, h + h / 4);
}
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int w = mBitmap.getWidth();
int h = mBitmap.getHeight();
setMeasuredDimension(w, h);
for (int i = 0; i < getChildCount(); i++) {
getChildAt(i).measure(w, h);
}
}
@Override
protected void dispatchDraw(Canvas canvas) {
if (mScaledMaskPath != null) {
canvas.drawBitmap(mBitmap, 0.0f, 0.0f, mPaint);
canvas.clipPath(mScaledMaskPath);
}
super.dispatchDraw(canvas);
}
/** Sets the scale of the view over the normal workspace icon size. */
@@ -187,11 +333,6 @@ public class DragView extends View {
return mDragRegion;
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
setMeasuredDimension(mBitmap.getWidth(), mBitmap.getHeight());
}
// Draws drag shadow for system DND.
@SuppressLint("WrongCall")
public void drawDragShadow(Canvas canvas) {
@@ -343,6 +484,9 @@ public class DragView extends View {
* @param touchY the y coordinate the user touched in DragLayer coordinates
*/
public void move(int touchX, int touchY) {
if (touchX > 0 && touchY > 0 && mLastTouchX > 0 && mLastTouchY > 0) {
applySpring(mLastTouchX - touchX, mLastTouchY - touchY);
}
mLastTouchX = touchX;
mLastTouchY = touchY;
applyTranslation();