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Animating dragview color change when dragging over ButtonDropTarget

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Change-Id: I642438be681769812302dba0b6deca38f89f7a16
This commit is contained in:
Sunny Goyal
2015-04-28 22:01:31 -07:00
parent ca5719780b
commit fe0d1f2458
4 changed files with 98 additions and 21 deletions
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49
src/com/android/launcher3/ButtonDropTarget.java
View File

@@ -16,14 +16,16 @@
package com.android.launcher3;
import android.animation.ObjectAnimator;
import android.annotation.TargetApi;
import android.content.Context;
import android.content.res.ColorStateList;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.graphics.PointF;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.TransitionDrawable;
import android.os.Build;
import android.util.AttributeSet;
import android.view.View;
import android.view.View.OnClickListener;
@@ -42,8 +44,6 @@ public abstract class ButtonDropTarget extends TextView
private static int DRAG_VIEW_DROP_DURATION = 285;
protected final int mTransitionDuration;
protected Launcher mLauncher;
private int mBottomDragPadding;
protected TextView mText;
@@ -58,16 +58,15 @@ public abstract class ButtonDropTarget extends TextView
protected ColorStateList mOriginalTextColor;
protected TransitionDrawable mDrawable;
private ObjectAnimator mCurrentColorAnim;
public ButtonDropTarget(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public ButtonDropTarget(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
Resources r = getResources();
mTransitionDuration = r.getInteger(R.integer.config_dropTargetBgTransitionDuration);
mBottomDragPadding = r.getDimensionPixelSize(R.dimen.drop_target_drag_padding);
mBottomDragPadding = getResources().getDimensionPixelSize(R.dimen.drop_target_drag_padding);
}
@Override
@@ -123,8 +122,13 @@ public abstract class ButtonDropTarget extends TextView
@Override
public final void onDragEnter(DragObject d) {
d.dragView.setColor(mHoverColor);
mDrawable.startTransition(mTransitionDuration);
setTextColor(mHoverColor);
if (Utilities.isLmpOrAbove()) {
mDrawable.startTransition(DragView.COLOR_CHANGE_DURATION);
animateTextColor(mHoverColor);
} else {
mDrawable.startTransition(0);
setTextColor(mHoverColor);
}
}
@Override
@@ -133,8 +137,23 @@ public abstract class ButtonDropTarget extends TextView
}
protected void resetHoverColor() {
mDrawable.resetTransition();
setTextColor(mOriginalTextColor);
if (Utilities.isLmpOrAbove()) {
mDrawable.reverseTransition(DragView.COLOR_CHANGE_DURATION);
animateTextColor(mOriginalTextColor.getDefaultColor());
} else {
mDrawable.resetTransition();
setTextColor(mOriginalTextColor);
}
}
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private void animateTextColor(int targetColor) {
if (mCurrentColorAnim != null) {
mCurrentColorAnim.cancel();
}
mCurrentColorAnim = ObjectAnimator.ofArgb(this, "textColor", targetColor);
mCurrentColorAnim.setDuration(DragView.COLOR_CHANGE_DURATION);
mCurrentColorAnim.start();
}
@Override
@@ -152,6 +171,10 @@ public abstract class ButtonDropTarget extends TextView
public final void onDragStart(DragSource source, Object info, int dragAction) {
mActive = supportsDrop(source, info);
mDrawable.resetTransition();
if (mCurrentColorAnim != null) {
mCurrentColorAnim.cancel();
mCurrentColorAnim = null;
}
setTextColor(mOriginalTextColor);
((ViewGroup) getParent()).setVisibility(mActive ? View.VISIBLE : View.GONE);
}
@@ -271,4 +294,8 @@ public abstract class ButtonDropTarget extends TextView
LauncherAppState.getInstance().getAccessibilityDelegate()
.handleAccessibleDrop(this, null, getAccessibilityDropConfirmation());
}
public int getTextColor() {
return getTextColors().getDefaultColor();
}
}