Examples with LayoutParams android.support.v7.app.ActionBar.LayoutParams used on opensource projects

Example 11 with LayoutParams

use of android.support.v7.app.ActionBar.LayoutParams in project SuperSLiM by TonicArtos.

the class LayoutManager method trimStart.

/**
     * Trim content wholly beyond the start edge.
     *
     * @param state Layout state.
     */
private void trimStart(LayoutState state) {
    // Find the first view visible on the screen.
    View anchor = null;
    int anchorIndex = 0;
    for (int i = 0; i < getChildCount(); i++) {
        View look = getChildAt(i);
        if (getDecoratedBottom(look) > 0) {
            anchor = look;
            anchorIndex = i;
            break;
        }
    }
    if (anchor == null) {
        detachAndScrapAttachedViews(state.recycler);
        return;
    }
    LayoutParams anchorParams = (LayoutParams) anchor.getLayoutParams();
    if (anchorParams.isHeader) {
        for (int i = anchorIndex - 1; i >= 0; i--) {
            View look = getChildAt(i);
            LayoutParams lookParams = (LayoutParams) look.getLayoutParams();
            if (lookParams.getTestedFirstPosition() == anchorParams.getTestedFirstPosition()) {
                anchor = look;
                anchorParams = lookParams;
                anchorIndex = i;
                break;
            }
        }
    }
    for (int i = 0; i < anchorIndex; i++) {
        removeAndRecycleViewAt(0, state.recycler);
    }
    int sfp = anchorParams.getTestedFirstPosition();
    View header = findAttachedHeaderForSection(sfp, Direction.START);
    if (header != null) {
        if (getDecoratedTop(header) < 0) {
            updateHeaderForTrimFromStart(header);
        }
        if (getDecoratedBottom(header) <= 0) {
            removeAndRecycleView(header, state.recycler);
        }
    }
}

Example 12 with LayoutParams

use of android.support.v7.app.ActionBar.LayoutParams in project SuperSLiM by TonicArtos.

the class LayoutManager method getAnchorChild.

/**
     * Find the first view in the hierarchy that can act as an anchor.
     *
     * @return The anchor view, or null if no view is a valid anchor.
     */
private View getAnchorChild() {
    if (getChildCount() == 0) {
        return null;
    }
    final View child = getChildAt(0);
    final LayoutParams params = (LayoutParams) child.getLayoutParams();
    final int sfp = params.getTestedFirstPosition();
    final View first = findAttachedHeaderOrFirstViewForSection(sfp, 0, Direction.START);
    if (first == null) {
        return child;
    }
    final LayoutParams firstParams = (LayoutParams) first.getLayoutParams();
    if (!firstParams.isHeader) {
        return child;
    }
    if (firstParams.isHeaderInline() && !firstParams.isHeaderOverlay()) {
        if (getDecoratedBottom(first) <= getDecoratedTop(child)) {
            return first;
        } else {
            return child;
        }
    }
    if (getDecoratedTop(child) < getDecoratedTop(first)) {
        return child;
    }
    if (sfp + 1 == getPosition(child)) {
        return first;
    }
    return child;
}

Example 13 with LayoutParams

use of android.support.v7.app.ActionBar.LayoutParams in project SuperSLiM by TonicArtos.

the class LayoutManager method findAttachedHeaderForSectionFromEnd.

/**
     * The header is almost guaranteed to be at the end so just use look there.
     *
     * @param sfp Section identifier.
     * @return Header, or null if not found.
     */
private View findAttachedHeaderForSectionFromEnd(int sfp) {
    for (int i = getChildCount() - 1; i >= 0; i--) {
        View child = getChildAt(i);
        LayoutParams params = (LayoutParams) child.getLayoutParams();
        if (params.getTestedFirstPosition() != sfp) {
            break;
        } else if (params.isHeader) {
            return child;
        }
    }
    return null;
}

Example 14 with LayoutParams

use of android.support.v7.app.ActionBar.LayoutParams in project SuperSLiM by TonicArtos.

the class LayoutManager method fillToStart.

/**
     * Fill towards the start edge.
     *
     * @param leadingEdge Line to fill up to. Content will not be wholly beyond this line.
     * @param state       Layout state.
     * @return Line content was filled up to.
     */
private int fillToStart(int leadingEdge, LayoutState state) {
    View anchor = getAnchorAtStart();
    LayoutParams anchorParams = (LayoutParams) anchor.getLayoutParams();
    final int sfp = anchorParams.getTestedFirstPosition();
    final View first = getHeaderOrFirstViewForSection(sfp, Direction.START, state);
    final SectionData sd = new SectionData(this, first);
    final SectionLayoutManager slm = getSlm(sd);
    int markerLine;
    int anchorPosition = getPosition(anchor);
    if (anchorPosition == sd.firstPosition) {
        markerLine = getDecoratedTop(anchor);
    } else {
        if (anchorPosition - 1 == sd.firstPosition && sd.hasHeader) {
            // Already at first content position, so no more to do.
            markerLine = getDecoratedTop(anchor);
        } else {
            markerLine = slm.finishFillToStart(leadingEdge, anchor, sd, state);
        }
    }
    markerLine = updateHeaderForStart(first, leadingEdge, markerLine, sd, state);
    if (markerLine > leadingEdge) {
        markerLine = fillNextSectionToStart(leadingEdge, markerLine, state);
    }
    return markerLine;
}

Example 15 with LayoutParams

use of android.support.v7.app.ActionBar.LayoutParams in project SuperSLiM by TonicArtos.

the class LayoutManager method scrollVerticallyBy.

@Override
public int scrollVerticallyBy(int dy, RecyclerView.Recycler recycler, RecyclerView.State state) {
    int numChildren = getChildCount();
    if (numChildren == 0) {
        return 0;
    }
    LayoutState layoutState = new LayoutState(this, recycler, state);
    final Direction direction = dy > 0 ? Direction.END : Direction.START;
    final boolean isDirectionEnd = direction == Direction.END;
    final int height = getHeight();
    final int leadingEdge = isDirectionEnd ? height + dy : dy;
    // from the bottom up.
    if (isDirectionEnd) {
        final View end = getAnchorAtEnd();
        LayoutParams params = (LayoutParams) end.getLayoutParams();
        SectionLayoutManager slm = getSlm(params);
        final int endEdge = slm.getLowestEdge(params.getTestedFirstPosition(), getChildCount() - 1, getDecoratedBottom(end));
        if (endEdge < height - getPaddingBottom() && getPosition(end) == (state.getItemCount() - 1)) {
            return 0;
        }
    }
    final int fillEdge = fillUntil(leadingEdge, direction, layoutState);
    final int delta;
    if (isDirectionEnd) {
        // Add padding so we scroll to inset area at scroll end.
        int fillDelta = fillEdge - height + getPaddingBottom();
        delta = fillDelta < dy ? fillDelta : dy;
    } else {
        int fillDelta = fillEdge - getPaddingTop();
        delta = fillDelta > dy ? fillDelta : dy;
    }
    if (delta != 0) {
        offsetChildrenVertical(-delta);
        trimTail(isDirectionEnd ? Direction.START : Direction.END, layoutState);
    }
    layoutState.recycleCache();
    return delta;
}