mirror of
https://github.com/Pinball3D/Rabbit-R1.git
synced 2024-12-30 11:02:31 -06:00
368 lines
14 KiB
Java
368 lines
14 KiB
Java
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package androidx.viewpager2.widget;
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import android.view.View;
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import android.view.ViewGroup;
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import androidx.recyclerview.widget.LinearLayoutManager;
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import androidx.recyclerview.widget.RecyclerView;
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import androidx.viewpager2.widget.ViewPager2;
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import java.util.Locale;
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/* JADX INFO: Access modifiers changed from: package-private */
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/* loaded from: classes2.dex */
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public final class ScrollEventAdapter extends RecyclerView.OnScrollListener {
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private static final int NO_POSITION = -1;
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private static final int STATE_IDLE = 0;
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private static final int STATE_IN_PROGRESS_FAKE_DRAG = 4;
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private static final int STATE_IN_PROGRESS_IMMEDIATE_SCROLL = 3;
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private static final int STATE_IN_PROGRESS_MANUAL_DRAG = 1;
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private static final int STATE_IN_PROGRESS_SMOOTH_SCROLL = 2;
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private int mAdapterState;
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private ViewPager2.OnPageChangeCallback mCallback;
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private boolean mDataSetChangeHappened;
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private boolean mDispatchSelected;
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private int mDragStartPosition;
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private boolean mFakeDragging;
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private final LinearLayoutManager mLayoutManager;
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private final RecyclerView mRecyclerView;
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private boolean mScrollHappened;
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private int mScrollState;
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private ScrollEventValues mScrollValues;
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private int mTarget;
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private final ViewPager2 mViewPager;
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private boolean isInAnyDraggingState() {
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int i = this.mAdapterState;
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return i == 1 || i == 4;
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public int getScrollState() {
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return this.mScrollState;
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public boolean isDragging() {
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return this.mScrollState == 1;
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public boolean isFakeDragging() {
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return this.mFakeDragging;
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public boolean isIdle() {
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return this.mScrollState == 0;
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public void notifyDataSetChangeHappened() {
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this.mDataSetChangeHappened = true;
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public void setOnPageChangeCallback(ViewPager2.OnPageChangeCallback onPageChangeCallback) {
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this.mCallback = onPageChangeCallback;
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public ScrollEventAdapter(ViewPager2 viewPager2) {
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this.mViewPager = viewPager2;
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RecyclerView recyclerView = viewPager2.mRecyclerView;
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this.mRecyclerView = recyclerView;
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this.mLayoutManager = (LinearLayoutManager) recyclerView.getLayoutManager();
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this.mScrollValues = new ScrollEventValues();
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resetState();
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}
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private void resetState() {
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this.mAdapterState = 0;
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this.mScrollState = 0;
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this.mScrollValues.reset();
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this.mDragStartPosition = -1;
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this.mTarget = -1;
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this.mDispatchSelected = false;
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this.mScrollHappened = false;
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this.mFakeDragging = false;
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this.mDataSetChangeHappened = false;
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}
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@Override // androidx.recyclerview.widget.RecyclerView.OnScrollListener
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public void onScrollStateChanged(RecyclerView recyclerView, int i) {
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if ((this.mAdapterState != 1 || this.mScrollState != 1) && i == 1) {
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startDrag(false);
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return;
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}
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if (isInAnyDraggingState() && i == 2) {
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if (this.mScrollHappened) {
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dispatchStateChanged(2);
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this.mDispatchSelected = true;
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return;
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}
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return;
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}
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if (isInAnyDraggingState() && i == 0) {
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updateScrollEventValues();
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if (!this.mScrollHappened) {
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if (this.mScrollValues.mPosition != -1) {
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dispatchScrolled(this.mScrollValues.mPosition, 0.0f, 0);
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}
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} else if (this.mScrollValues.mOffsetPx == 0) {
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if (this.mDragStartPosition != this.mScrollValues.mPosition) {
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dispatchSelected(this.mScrollValues.mPosition);
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}
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}
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dispatchStateChanged(0);
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resetState();
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}
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if (this.mAdapterState == 2 && i == 0 && this.mDataSetChangeHappened) {
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updateScrollEventValues();
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if (this.mScrollValues.mOffsetPx == 0) {
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if (this.mTarget != this.mScrollValues.mPosition) {
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dispatchSelected(this.mScrollValues.mPosition == -1 ? 0 : this.mScrollValues.mPosition);
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}
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dispatchStateChanged(0);
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resetState();
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}
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}
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}
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/* JADX WARN: Code restructure failed: missing block: B:9:0x001d, code lost:
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if ((r5 < 0) == r3.mViewPager.isRtl()) goto L12;
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*/
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/* JADX WARN: Removed duplicated region for block: B:14:0x0035 */
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@Override // androidx.recyclerview.widget.RecyclerView.OnScrollListener
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/*
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Code decompiled incorrectly, please refer to instructions dump.
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To view partially-correct add '--show-bad-code' argument
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*/
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public void onScrolled(androidx.recyclerview.widget.RecyclerView r4, int r5, int r6) {
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/*
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r3 = this;
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r4 = 1
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r3.mScrollHappened = r4
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r3.updateScrollEventValues()
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boolean r0 = r3.mDispatchSelected
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r1 = -1
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r2 = 0
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if (r0 == 0) goto L39
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r3.mDispatchSelected = r2
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if (r6 > 0) goto L1f
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if (r6 != 0) goto L2b
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if (r5 >= 0) goto L16
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r5 = r4
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goto L17
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L16:
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r5 = r2
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L17:
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androidx.viewpager2.widget.ViewPager2 r6 = r3.mViewPager
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boolean r6 = r6.isRtl()
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if (r5 != r6) goto L2b
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L1f:
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androidx.viewpager2.widget.ScrollEventAdapter$ScrollEventValues r5 = r3.mScrollValues
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int r5 = r5.mOffsetPx
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if (r5 == 0) goto L2b
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androidx.viewpager2.widget.ScrollEventAdapter$ScrollEventValues r5 = r3.mScrollValues
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int r5 = r5.mPosition
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int r5 = r5 + r4
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goto L2f
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L2b:
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androidx.viewpager2.widget.ScrollEventAdapter$ScrollEventValues r5 = r3.mScrollValues
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int r5 = r5.mPosition
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L2f:
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r3.mTarget = r5
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int r6 = r3.mDragStartPosition
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if (r6 == r5) goto L47
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r3.dispatchSelected(r5)
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goto L47
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L39:
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int r5 = r3.mAdapterState
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if (r5 != 0) goto L47
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androidx.viewpager2.widget.ScrollEventAdapter$ScrollEventValues r5 = r3.mScrollValues
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int r5 = r5.mPosition
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if (r5 != r1) goto L44
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r5 = r2
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L44:
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r3.dispatchSelected(r5)
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L47:
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androidx.viewpager2.widget.ScrollEventAdapter$ScrollEventValues r5 = r3.mScrollValues
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int r5 = r5.mPosition
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if (r5 != r1) goto L4f
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r5 = r2
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goto L53
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L4f:
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androidx.viewpager2.widget.ScrollEventAdapter$ScrollEventValues r5 = r3.mScrollValues
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int r5 = r5.mPosition
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L53:
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androidx.viewpager2.widget.ScrollEventAdapter$ScrollEventValues r6 = r3.mScrollValues
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float r6 = r6.mOffset
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androidx.viewpager2.widget.ScrollEventAdapter$ScrollEventValues r0 = r3.mScrollValues
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int r0 = r0.mOffsetPx
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r3.dispatchScrolled(r5, r6, r0)
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androidx.viewpager2.widget.ScrollEventAdapter$ScrollEventValues r5 = r3.mScrollValues
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int r5 = r5.mPosition
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int r6 = r3.mTarget
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if (r5 == r6) goto L68
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if (r6 != r1) goto L78
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L68:
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androidx.viewpager2.widget.ScrollEventAdapter$ScrollEventValues r5 = r3.mScrollValues
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int r5 = r5.mOffsetPx
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if (r5 != 0) goto L78
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int r5 = r3.mScrollState
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if (r5 == r4) goto L78
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r3.dispatchStateChanged(r2)
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r3.resetState()
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L78:
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return
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*/
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throw new UnsupportedOperationException("Method not decompiled: androidx.viewpager2.widget.ScrollEventAdapter.onScrolled(androidx.recyclerview.widget.RecyclerView, int, int):void");
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}
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private void updateScrollEventValues() {
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int top;
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ScrollEventValues scrollEventValues = this.mScrollValues;
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scrollEventValues.mPosition = this.mLayoutManager.findFirstVisibleItemPosition();
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if (scrollEventValues.mPosition == -1) {
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scrollEventValues.reset();
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return;
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}
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View findViewByPosition = this.mLayoutManager.findViewByPosition(scrollEventValues.mPosition);
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if (findViewByPosition == null) {
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scrollEventValues.reset();
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return;
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}
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int leftDecorationWidth = this.mLayoutManager.getLeftDecorationWidth(findViewByPosition);
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int rightDecorationWidth = this.mLayoutManager.getRightDecorationWidth(findViewByPosition);
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int topDecorationHeight = this.mLayoutManager.getTopDecorationHeight(findViewByPosition);
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int bottomDecorationHeight = this.mLayoutManager.getBottomDecorationHeight(findViewByPosition);
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ViewGroup.LayoutParams layoutParams = findViewByPosition.getLayoutParams();
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if (layoutParams instanceof ViewGroup.MarginLayoutParams) {
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ViewGroup.MarginLayoutParams marginLayoutParams = (ViewGroup.MarginLayoutParams) layoutParams;
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leftDecorationWidth += marginLayoutParams.leftMargin;
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rightDecorationWidth += marginLayoutParams.rightMargin;
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topDecorationHeight += marginLayoutParams.topMargin;
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bottomDecorationHeight += marginLayoutParams.bottomMargin;
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}
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int height = findViewByPosition.getHeight() + topDecorationHeight + bottomDecorationHeight;
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int width = findViewByPosition.getWidth() + leftDecorationWidth + rightDecorationWidth;
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if (this.mLayoutManager.getOrientation() == 0) {
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top = (findViewByPosition.getLeft() - leftDecorationWidth) - this.mRecyclerView.getPaddingLeft();
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if (this.mViewPager.isRtl()) {
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top = -top;
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}
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height = width;
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} else {
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top = (findViewByPosition.getTop() - topDecorationHeight) - this.mRecyclerView.getPaddingTop();
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}
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scrollEventValues.mOffsetPx = -top;
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if (scrollEventValues.mOffsetPx < 0) {
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if (new AnimateLayoutChangeDetector(this.mLayoutManager).mayHaveInterferingAnimations()) {
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throw new IllegalStateException("Page(s) contain a ViewGroup with a LayoutTransition (or animateLayoutChanges=\"true\"), which interferes with the scrolling animation. Make sure to call getLayoutTransition().setAnimateParentHierarchy(false) on all ViewGroups with a LayoutTransition before an animation is started.");
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}
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throw new IllegalStateException(String.format(Locale.US, "Page can only be offset by a positive amount, not by %d", Integer.valueOf(scrollEventValues.mOffsetPx)));
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}
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scrollEventValues.mOffset = height == 0 ? 0.0f : scrollEventValues.mOffsetPx / height;
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}
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private void startDrag(boolean z) {
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this.mFakeDragging = z;
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this.mAdapterState = z ? 4 : 1;
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int i = this.mTarget;
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if (i != -1) {
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this.mDragStartPosition = i;
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this.mTarget = -1;
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} else if (this.mDragStartPosition == -1) {
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this.mDragStartPosition = getPosition();
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}
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dispatchStateChanged(1);
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public void notifyProgrammaticScroll(int i, boolean z) {
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this.mAdapterState = z ? 2 : 3;
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this.mFakeDragging = false;
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boolean z2 = this.mTarget != i;
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this.mTarget = i;
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dispatchStateChanged(2);
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if (z2) {
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dispatchSelected(i);
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}
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public void notifyBeginFakeDrag() {
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this.mAdapterState = 4;
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startDrag(true);
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public void notifyEndFakeDrag() {
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if (!isDragging() || this.mFakeDragging) {
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this.mFakeDragging = false;
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updateScrollEventValues();
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if (this.mScrollValues.mOffsetPx == 0) {
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if (this.mScrollValues.mPosition != this.mDragStartPosition) {
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dispatchSelected(this.mScrollValues.mPosition);
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}
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dispatchStateChanged(0);
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resetState();
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return;
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}
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dispatchStateChanged(2);
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}
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public double getRelativeScrollPosition() {
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updateScrollEventValues();
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return this.mScrollValues.mPosition + this.mScrollValues.mOffset;
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}
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private void dispatchStateChanged(int i) {
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if ((this.mAdapterState == 3 && this.mScrollState == 0) || this.mScrollState == i) {
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return;
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}
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this.mScrollState = i;
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ViewPager2.OnPageChangeCallback onPageChangeCallback = this.mCallback;
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if (onPageChangeCallback != null) {
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onPageChangeCallback.onPageScrollStateChanged(i);
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}
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}
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private void dispatchSelected(int i) {
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ViewPager2.OnPageChangeCallback onPageChangeCallback = this.mCallback;
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if (onPageChangeCallback != null) {
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onPageChangeCallback.onPageSelected(i);
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}
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}
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private void dispatchScrolled(int i, float f, int i2) {
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ViewPager2.OnPageChangeCallback onPageChangeCallback = this.mCallback;
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if (onPageChangeCallback != null) {
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onPageChangeCallback.onPageScrolled(i, f, i2);
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}
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}
|
||
|
|
|
||
|
|
private int getPosition() {
|
||
|
|
return this.mLayoutManager.findFirstVisibleItemPosition();
|
||
|
|
}
|
||
|
|
|
||
|
|
/* JADX INFO: Access modifiers changed from: private */
|
||
|
|
/* loaded from: classes2.dex */
|
||
|
|
public static final class ScrollEventValues {
|
||
|
|
float mOffset;
|
||
|
|
int mOffsetPx;
|
||
|
|
int mPosition;
|
||
|
|
|
||
|
|
void reset() {
|
||
|
|
this.mPosition = -1;
|
||
|
|
this.mOffset = 0.0f;
|
||
|
|
this.mOffsetPx = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
ScrollEventValues() {
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|