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-rw-r--r--core/java/android/widget/StackView.java192
1 files changed, 139 insertions, 53 deletions
diff --git a/core/java/android/widget/StackView.java b/core/java/android/widget/StackView.java
index 03c073c3d10b..d57d5c682883 100644
--- a/core/java/android/widget/StackView.java
+++ b/core/java/android/widget/StackView.java
@@ -69,7 +69,7 @@ public class StackView extends AdapterViewAnimator {
private float mNewPerspectiveShiftY;
@SuppressWarnings({"FieldCanBeLocal"})
- private static final float PERSPECTIVE_SCALE_FACTOR = 0.f;
+ private static final float PERSPECTIVE_SCALE_FACTOR = 0f;
/**
* Represent the two possible stack modes, one where items slide up, and the other
@@ -193,19 +193,16 @@ public class StackView extends AdapterViewAnimator {
/**
* Animate the views between different relative indexes within the {@link AdapterViewAnimator}
*/
- void animateViewForTransition(int fromIndex, int toIndex, final View view) {
+ void transformViewForTransition(int fromIndex, int toIndex, final View view, boolean animate) {
ObjectAnimator alphaOa = null;
ObjectAnimator oldAlphaOa = null;
- // If there is currently an alpha animation on this view, we need
- // to know about it, and may need to cancel it so as not to interfere with
- // a new alpha animation.
- Object tag = view.getTag(com.android.internal.R.id.viewAlphaAnimation);
- if (tag instanceof WeakReference<?>) {
- Object obj = ((WeakReference<?>) tag).get();
- if (obj instanceof ObjectAnimator) {
- oldAlphaOa = (ObjectAnimator) obj;
- }
+ if (!animate) {
+ ((StackFrame) view).cancelSliderAnimator();
+ view.setRotationX(0f);
+ LayoutParams lp = (LayoutParams) view.getLayoutParams();
+ lp.setVerticalOffset(0);
+ lp.setHorizontalOffset(0);
}
if (fromIndex == -1 && toIndex == getNumActiveViews() -1) {
@@ -216,63 +213,87 @@ public class StackView extends AdapterViewAnimator {
transformViewAtIndex(toIndex, view, false);
view.setVisibility(VISIBLE);
- alphaOa = ObjectAnimator.ofFloat(view, "alpha", view.getAlpha(), 1.0f);
- alphaOa.setDuration(FADE_IN_ANIMATION_DURATION);
- if (oldAlphaOa != null) oldAlphaOa.cancel();
- alphaOa.start();
- view.setTagInternal(com.android.internal.R.id.viewAlphaAnimation,
- new WeakReference<ObjectAnimator>(alphaOa));
+ ((StackFrame) view).cancelAlphaAnimator();
+ if (animate) {
+ alphaOa = ObjectAnimator.ofFloat(view, "alpha", view.getAlpha(), 1.0f);
+ alphaOa.setDuration(FADE_IN_ANIMATION_DURATION);
+ ((StackFrame) view).setAlphaAnimator(alphaOa);
+ alphaOa.start();
+ } else {
+ view.setAlpha(1.0f);
+ }
} else if (fromIndex == 0 && toIndex == 1) {
// Slide item in
+ ((StackFrame) view).cancelSliderAnimator();
view.setVisibility(VISIBLE);
int duration = Math.round(mStackSlider.getDurationForNeutralPosition(mYVelocity));
-
StackSlider animationSlider = new StackSlider(mStackSlider);
animationSlider.setView(view);
- PropertyValuesHolder slideInY = PropertyValuesHolder.ofFloat("YProgress", 0.0f);
- PropertyValuesHolder slideInX = PropertyValuesHolder.ofFloat("XProgress", 0.0f);
- ObjectAnimator slideIn = ObjectAnimator.ofPropertyValuesHolder(animationSlider,
- slideInX, slideInY);
- slideIn.setDuration(duration);
- slideIn.setInterpolator(new LinearInterpolator());
- slideIn.start();
+
+ if (animate) {
+ PropertyValuesHolder slideInY = PropertyValuesHolder.ofFloat("YProgress", 0.0f);
+ PropertyValuesHolder slideInX = PropertyValuesHolder.ofFloat("XProgress", 0.0f);
+ ObjectAnimator slideIn = ObjectAnimator.ofPropertyValuesHolder(animationSlider,
+ slideInX, slideInY);
+ slideIn.setDuration(duration);
+ slideIn.setInterpolator(new LinearInterpolator());
+ ((StackFrame) view).setSliderAnimator(slideIn);
+ slideIn.start();
+ } else {
+ animationSlider.setYProgress(0f);
+ animationSlider.setXProgress(0f);
+ }
} else if (fromIndex == 1 && toIndex == 0) {
// Slide item out
+ ((StackFrame) view).cancelSliderAnimator();
int duration = Math.round(mStackSlider.getDurationForOffscreenPosition(mYVelocity));
StackSlider animationSlider = new StackSlider(mStackSlider);
animationSlider.setView(view);
- PropertyValuesHolder slideOutY = PropertyValuesHolder.ofFloat("YProgress", 1.0f);
- PropertyValuesHolder slideOutX = PropertyValuesHolder.ofFloat("XProgress", 0.0f);
- ObjectAnimator slideOut = ObjectAnimator.ofPropertyValuesHolder(animationSlider,
- slideOutX, slideOutY);
- slideOut.setDuration(duration);
- slideOut.setInterpolator(new LinearInterpolator());
- slideOut.start();
+ if (animate) {
+ PropertyValuesHolder slideOutY = PropertyValuesHolder.ofFloat("YProgress", 1.0f);
+ PropertyValuesHolder slideOutX = PropertyValuesHolder.ofFloat("XProgress", 0.0f);
+ ObjectAnimator slideOut = ObjectAnimator.ofPropertyValuesHolder(animationSlider,
+ slideOutX, slideOutY);
+ slideOut.setDuration(duration);
+ slideOut.setInterpolator(new LinearInterpolator());
+ ((StackFrame) view).setSliderAnimator(slideOut);
+ slideOut.start();
+ } else {
+ animationSlider.setYProgress(1.0f);
+ animationSlider.setXProgress(0f);
+ }
} else if (toIndex == 0) {
// Make sure this view that is "waiting in the wings" is invisible
view.setAlpha(0.0f);
view.setVisibility(INVISIBLE);
- } else if (fromIndex == 0 && toIndex > 1) {
+ } else if ((fromIndex == 0 || fromIndex == 1) && toIndex > 1) {
view.setVisibility(VISIBLE);
view.setAlpha(1.0f);
+ view.setRotationX(0f);
+ LayoutParams lp = (LayoutParams) view.getLayoutParams();
+ lp.setVerticalOffset(0);
+ lp.setHorizontalOffset(0);
} else if (fromIndex == -1) {
view.setAlpha(1.0f);
view.setVisibility(VISIBLE);
} else if (toIndex == -1) {
// Fade item out
- alphaOa = ObjectAnimator.ofFloat(view, "alpha", view.getAlpha(), 0.0f);
- alphaOa.setDuration(STACK_RELAYOUT_DURATION);
- if (oldAlphaOa != null) oldAlphaOa.cancel();
- alphaOa.start();
- view.setTagInternal(com.android.internal.R.id.viewAlphaAnimation,
- new WeakReference<ObjectAnimator>(alphaOa));
+ ((StackFrame) view).cancelAlphaAnimator();
+ if (animate) {
+ alphaOa = ObjectAnimator.ofFloat(view, "alpha", view.getAlpha(), 0.0f);
+ alphaOa.setDuration(STACK_RELAYOUT_DURATION);
+ ((StackFrame) view).setAlphaAnimator(alphaOa);
+ alphaOa.start();
+ } else {
+ view.setAlpha(0f);
+ }
}
// Implement the faked perspective
if (toIndex != -1) {
- transformViewAtIndex(toIndex, view, true);
+ transformViewAtIndex(toIndex, view, animate);
}
}
@@ -304,12 +325,8 @@ public class StackView extends AdapterViewAnimator {
// If this view is currently being animated for a certain position, we need to cancel
// this animation so as not to interfere with the new transformation.
- Object tag = view.getTag(com.android.internal.R.id.viewAnimation);
- if (tag instanceof WeakReference<?>) {
- Object obj = ((WeakReference<?>) tag).get();
- if (obj instanceof ObjectAnimator) {
- ((ObjectAnimator) obj).cancel();
- }
+ if (view instanceof StackFrame) {
+ ((StackFrame) view).cancelTransformAnimator();
}
if (animate) {
@@ -321,8 +338,9 @@ public class StackView extends AdapterViewAnimator {
ObjectAnimator oa = ObjectAnimator.ofPropertyValuesHolder(view, scalePropX, scalePropY,
translationY, translationX);
oa.setDuration(STACK_RELAYOUT_DURATION);
- view.setTagInternal(com.android.internal.R.id.viewAnimation,
- new WeakReference<ObjectAnimator>(oa));
+ if (view instanceof StackFrame) {
+ ((StackFrame) view).setTransformAnimator(oa);
+ }
oa.start();
} else {
view.setTranslationX(transX);
@@ -396,6 +414,9 @@ public class StackView extends AdapterViewAnimator {
if (v != null) v.bringToFront();
}
}
+ if (mHighlight != null) {
+ mHighlight.bringToFront();
+ }
mTransitionIsSetup = false;
mClickFeedbackIsValid = false;
}
@@ -436,9 +457,64 @@ public class StackView extends AdapterViewAnimator {
}
}
+ private static class StackFrame extends FrameLayout {
+ WeakReference<ObjectAnimator> alphaAnimator;
+ WeakReference<ObjectAnimator> transformAnimator;
+ WeakReference<ObjectAnimator> sliderAnimator;
+
+ public StackFrame(Context context) {
+ super(context);
+ }
+
+ void setAlphaAnimator(ObjectAnimator oa) {
+ alphaAnimator = new WeakReference<ObjectAnimator>(oa);
+ }
+
+ void setTransformAnimator(ObjectAnimator oa) {
+ transformAnimator = new WeakReference<ObjectAnimator>(oa);
+ }
+
+ void setSliderAnimator(ObjectAnimator oa) {
+ sliderAnimator = new WeakReference<ObjectAnimator>(oa);
+ }
+
+ boolean cancelAlphaAnimator() {
+ if (alphaAnimator != null) {
+ ObjectAnimator oa = alphaAnimator.get();
+ if (oa != null) {
+ oa.cancel();
+ return true;
+ }
+ }
+ return false;
+ }
+
+ boolean cancelTransformAnimator() {
+ if (transformAnimator != null) {
+ ObjectAnimator oa = transformAnimator.get();
+ if (oa != null) {
+ oa.cancel();
+ return true;
+ }
+ }
+ return false;
+ }
+
+ boolean cancelSliderAnimator() {
+ if (sliderAnimator != null) {
+ ObjectAnimator oa = sliderAnimator.get();
+ if (oa != null) {
+ oa.cancel();
+ return true;
+ }
+ }
+ return false;
+ }
+ }
+
@Override
FrameLayout getFrameForChild() {
- FrameLayout fl = new FrameLayout(mContext);
+ StackFrame fl = new StackFrame(mContext);
fl.setPadding(mFramePadding, mFramePadding, mFramePadding, mFramePadding);
return fl;
}
@@ -471,16 +547,26 @@ public class StackView extends AdapterViewAnimator {
private void onLayout() {
if (!mFirstLayoutHappened) {
mSlideAmount = Math.round(SLIDE_UP_RATIO * getMeasuredHeight());
- updateChildTransforms();
mSwipeThreshold = Math.round(SWIPE_THRESHOLD_RATIO * mSlideAmount);
mFirstLayoutHappened = true;
+ post(new Runnable() {
+ public void run() {
+ updateChildTransforms();
+ }
+ });
}
if (Float.compare(mPerspectiveShiftY, mNewPerspectiveShiftY) != 0 ||
Float.compare(mPerspectiveShiftX, mNewPerspectiveShiftX) != 0) {
+
mPerspectiveShiftY = mNewPerspectiveShiftY;
mPerspectiveShiftX = mNewPerspectiveShiftX;
- updateChildTransforms();
+
+ post(new Runnable() {
+ public void run() {
+ updateChildTransforms();
+ }
+ });
}
}
@@ -1034,11 +1120,11 @@ public class StackView extends AdapterViewAnimator {
mNewPerspectiveShiftX = PERSPECTIVE_SHIFT_FACTOR_X * measuredWidth;
mNewPerspectiveShiftY = PERSPECTIVE_SHIFT_FACTOR_Y * measuredHeight;
- if (maxWidth > 0 && maxWidth < childWidth) {
+ if (maxWidth > 0 && count > 0 && maxWidth < childWidth) {
mNewPerspectiveShiftX = measuredWidth - maxWidth;
}
- if (maxHeight > 0 && maxHeight < childHeight) {
+ if (maxHeight > 0 && count > 0 && maxHeight < childHeight) {
mNewPerspectiveShiftY = measuredHeight - maxHeight;
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-21 11:40:16 +0000