/// <summary>
/// Helper for makeAndAddView to set the position of a view
/// and fill out its layout paramters.
/// </summary>
/// <remarks>
/// Helper for makeAndAddView to set the position of a view
/// and fill out its layout paramters.
/// </remarks>
/// <param name="child">The view to position</param>
private void setUpChild(android.view.View child)
{
// Respect layout params that are already in the view. Otherwise
// make some up...
android.view.ViewGroup.LayoutParams lp = child.getLayoutParams();
if (lp == null)
{
lp = generateDefaultLayoutParams();
}
addViewInLayout(child, 0, lp);
child.setSelected(hasFocus());
// Get measure specs
int childHeightSpec = android.view.ViewGroup.getChildMeasureSpec(mHeightMeasureSpec
, mSpinnerPadding.top + mSpinnerPadding.bottom, lp.height);
int childWidthSpec = android.view.ViewGroup.getChildMeasureSpec(mWidthMeasureSpec
, mSpinnerPadding.left + mSpinnerPadding.right, lp.width);
// Measure child
child.measure(childWidthSpec, childHeightSpec);
int childLeft;
int childRight;
// Position vertically based on gravity setting
int childTop = mSpinnerPadding.top + ((getMeasuredHeight() - mSpinnerPadding.bottom
- mSpinnerPadding.top - child.getMeasuredHeight()) / 2);
int childBottom = childTop + child.getMeasuredHeight();
int width = child.getMeasuredWidth();
childLeft = 0;
childRight = childLeft + width;
child.layout(childLeft, childTop, childRight, childBottom);
}
protected internal virtual int positionChildInverse(android.view.View child, int
x, int y, int contentHeight)
{
int childWidth = child.getMeasuredWidth();
int childHeight = child.getMeasuredHeight();
int childTop = y + (contentHeight - childHeight) / 2;
child.layout(x - childWidth, childTop, x, childTop + childHeight);
return(childWidth);
}
protected internal override void onMeasure(int widthMeasureSpec, int heightMeasureSpec
)
{
android.view.View child = mActivityChooserContent;
// If the default action is not visible we want to be as tall as the
// ActionBar so if this widget is used in the latter it will look as
// a normal action button.
if (mDefaultActivityButton.getVisibility() != VISIBLE)
{
heightMeasureSpec = android.view.View.MeasureSpec.makeMeasureSpec(android.view.View
.MeasureSpec.getSize(heightMeasureSpec), android.view.View.MeasureSpec.EXACTLY);
}
measureChild(child, widthMeasureSpec, heightMeasureSpec);
setMeasuredDimension(child.getMeasuredWidth(), child.getMeasuredHeight());
}
protected internal override void onLayout(bool changed, int l, int t, int r, int
b)
{
int count = getChildCount();
{
for (int i = 0; i < count; i++)
{
android.view.View child = getChildAt(i);
if (child.getVisibility() != GONE)
{
android.widget.AbsoluteLayout.LayoutParams lp = (android.widget.AbsoluteLayout.LayoutParams
)child.getLayoutParams();
int childLeft = mPaddingLeft + lp.x;
int childTop = mPaddingTop + lp.y;
child.layout(childLeft, childTop, childLeft + child.getMeasuredWidth(), childTop
+ child.getMeasuredHeight());
}
}
}
}
protected internal override void onMeasure(int widthMeasureSpec, int heightMeasureSpec
)
{
int count = getChildCount();
int maxHeight = 0;
int maxWidth = 0;
// Find out how big everyone wants to be
measureChildren(widthMeasureSpec, heightMeasureSpec);
{
// Find rightmost and bottom-most child
for (int i = 0; i < count; i++)
{
android.view.View child = getChildAt(i);
if (child.getVisibility() != GONE)
{
int childRight;
int childBottom;
android.widget.AbsoluteLayout.LayoutParams lp = (android.widget.AbsoluteLayout.LayoutParams
)child.getLayoutParams();
childRight = lp.x + child.getMeasuredWidth();
childBottom = lp.y + child.getMeasuredHeight();
maxWidth = System.Math.Max(maxWidth, childRight);
maxHeight = System.Math.Max(maxHeight, childBottom);
}
}
}
// Account for padding too
maxWidth += mPaddingLeft + mPaddingRight;
maxHeight += mPaddingTop + mPaddingBottom;
// Check against minimum height and width
maxHeight = System.Math.Max(maxHeight, getSuggestedMinimumHeight());
maxWidth = System.Math.Max(maxWidth, getSuggestedMinimumWidth());
setMeasuredDimension(resolveSizeAndState(maxWidth, widthMeasureSpec, 0), resolveSizeAndState
(maxHeight, heightMeasureSpec, 0));
}
protected internal override void onMeasure(int widthMeasureSpec, int heightMeasureSpec
)
{
base.onMeasure(widthMeasureSpec, heightMeasureSpec);
if (mActionBarView == null)
{
return;
}
android.widget.FrameLayout.LayoutParams lp = (android.widget.FrameLayout.LayoutParams
)mActionBarView.getLayoutParams();
int actionBarViewHeight = mActionBarView.isCollapsed() ? 0 : mActionBarView.getMeasuredHeight
() + lp.topMargin + lp.bottomMargin;
if (mTabContainer != null && mTabContainer.getVisibility() != GONE)
{
int mode = android.view.View.MeasureSpec.getMode(heightMeasureSpec);
if (mode == android.view.View.MeasureSpec.AT_MOST)
{
int maxHeight = android.view.View.MeasureSpec.getSize(heightMeasureSpec);
setMeasuredDimension(getMeasuredWidth(), System.Math.Min(actionBarViewHeight + mTabContainer
.getMeasuredHeight(), maxHeight));
}
}
}
protected internal override void onLayout(bool changed, int left, int top, int right
, int bottom)
{
if (!mFormatItems)
{
base.onLayout(changed, left, top, right, bottom);
return;
}
int childCount = getChildCount();
int midVertical = (top + bottom) / 2;
int dividerWidth = getDividerWidth();
int overflowWidth = 0;
int nonOverflowWidth = 0;
int nonOverflowCount = 0;
int widthRemaining = right - left - getPaddingRight() - getPaddingLeft();
bool hasOverflow = false;
{
for (int i = 0; i < childCount; i++)
{
android.view.View v = getChildAt(i);
if (v.getVisibility() == GONE)
{
continue;
}
[email protected] p = ([email protected]
.LayoutParams)v.getLayoutParams();
if (p.isOverflowButton)
{
overflowWidth = v.getMeasuredWidth();
if (hasDividerBeforeChildAt(i))
{
overflowWidth += dividerWidth;
}
int height = v.getMeasuredHeight();
int r = getWidth() - getPaddingRight() - p.rightMargin;
int l = r - overflowWidth;
int t = midVertical - (height / 2);
int b = t + height;
v.layout(l, t, r, b);
widthRemaining -= overflowWidth;
hasOverflow = true;
}
else
{
int size = v.getMeasuredWidth() + p.leftMargin + p.rightMargin;
nonOverflowWidth += size;
widthRemaining -= size;
if (hasDividerBeforeChildAt(i))
{
nonOverflowWidth += dividerWidth;
}
nonOverflowCount++;
}
}
}
if (childCount == 1 && !hasOverflow)
{
// Center a single child
android.view.View v = getChildAt(0);
int width = v.getMeasuredWidth();
int height = v.getMeasuredHeight();
int midHorizontal = (right - left) / 2;
int l = midHorizontal - width / 2;
int t = midVertical - height / 2;
v.layout(l, t, l + width, t + height);
return;
}
int spacerCount = nonOverflowCount - (hasOverflow ? 0 : 1);
int spacerSize = System.Math.Max(0, spacerCount > 0 ? widthRemaining / spacerCount
: 0);
int startLeft = getPaddingLeft();
{
for (int i_1 = 0; i_1 < childCount; i_1++)
{
android.view.View v = getChildAt(i_1);
[email protected] lp = ([email protected]
.LayoutParams)v.getLayoutParams();
if (v.getVisibility() == GONE || lp.isOverflowButton)
{
continue;
}
startLeft += lp.leftMargin;
int width = v.getMeasuredWidth();
int height = v.getMeasuredHeight();
int t = midVertical - height / 2;
v.layout(startLeft, t, startLeft + width, t + height);
startLeft += width + lp.rightMargin + spacerSize;
}
}
}
private void onMeasureExactFormat(int widthMeasureSpec, int heightMeasureSpec)
{
// We already know the width mode is EXACTLY if we're here.
int heightMode = android.view.View.MeasureSpec.getMode(heightMeasureSpec);
int widthSize = android.view.View.MeasureSpec.getSize(widthMeasureSpec);
int heightSize = android.view.View.MeasureSpec.getSize(heightMeasureSpec);
int widthPadding = getPaddingLeft() + getPaddingRight();
int heightPadding = getPaddingTop() + getPaddingBottom();
widthSize -= widthPadding;
// Divide the view into cells.
int cellCount = widthSize / mMinCellSize;
int cellSizeRemaining = widthSize % mMinCellSize;
if (cellCount == 0)
{
// Give up, nothing fits.
setMeasuredDimension(widthSize, 0);
return;
}
int cellSize = mMinCellSize + cellSizeRemaining / cellCount;
int cellsRemaining = cellCount;
int maxChildHeight = 0;
int maxCellsUsed = 0;
int expandableItemCount = 0;
int visibleItemCount = 0;
bool hasOverflow = false;
// This is used as a bitfield to locate the smallest items present. Assumes childCount < 64.
long smallestItemsAt = 0;
int childCount = getChildCount();
{
for (int i = 0; i < childCount; i++)
{
android.view.View child = getChildAt(i);
if (child.getVisibility() == GONE)
{
continue;
}
bool isGeneratedItem = child is [email protected];
visibleItemCount++;
if (isGeneratedItem)
{
// Reset padding for generated menu item views; it may change below
// and views are recycled.
child.setPadding(mGeneratedItemPadding, 0, mGeneratedItemPadding, 0);
}
[email protected] lp = ([email protected]
.LayoutParams)child.getLayoutParams();
lp.expanded = false;
lp.extraPixels = 0;
lp.cellsUsed = 0;
lp.expandable = false;
lp.leftMargin = 0;
lp.rightMargin = 0;
lp.preventEdgeOffset = isGeneratedItem && (([email protected]
)child).hasText();
// Overflow always gets 1 cell. No more, no less.
int cellsAvailable = lp.isOverflowButton ? 1 : cellsRemaining;
int cellsUsed = measureChildForCells(child, cellSize, cellsAvailable, heightMeasureSpec
, heightPadding);
maxCellsUsed = System.Math.Max(maxCellsUsed, cellsUsed);
if (lp.expandable)
{
expandableItemCount++;
}
if (lp.isOverflowButton)
{
hasOverflow = true;
}
cellsRemaining -= cellsUsed;
maxChildHeight = System.Math.Max(maxChildHeight, child.getMeasuredHeight());
if (cellsUsed == 1)
{
smallestItemsAt |= (1 << i);
}
}
}
// When we have overflow and a single expanded (text) item, we want to try centering it
// visually in the available space even though overflow consumes some of it.
bool centerSingleExpandedItem = hasOverflow && visibleItemCount == 2;
// Divide space for remaining cells if we have items that can expand.
// Try distributing whole leftover cells to smaller items first.
bool needsExpansion = false;
while (expandableItemCount > 0 && cellsRemaining > 0)
{
int minCells = int.MaxValue;
long minCellsAt = 0;
// Bit locations are indices of relevant child views
int minCellsItemCount = 0;
{
for (int i_1 = 0; i_1 < childCount; i_1++)
{
android.view.View child = getChildAt(i_1);
[email protected] lp = ([email protected]
.LayoutParams)child.getLayoutParams();
// Don't try to expand items that shouldn't.
if (!lp.expandable)
{
continue;
}
// Mark indices of children that can receive an extra cell.
if (lp.cellsUsed < minCells)
{
minCells = lp.cellsUsed;
minCellsAt = 1 << i_1;
minCellsItemCount = 1;
}
else
{
if (lp.cellsUsed == minCells)
{
minCellsAt |= 1 << i_1;
minCellsItemCount++;
}
}
}
}
// Items that get expanded will always be in the set of smallest items when we're done.
smallestItemsAt |= minCellsAt;
if (minCellsItemCount > cellsRemaining)
{
break;
}
// Couldn't expand anything evenly. Stop.
// We have enough cells, all minimum size items will be incremented.
minCells++;
{
for (int i_2 = 0; i_2 < childCount; i_2++)
{
android.view.View child = getChildAt(i_2);
[email protected] lp = ([email protected]
.LayoutParams)child.getLayoutParams();
if ((minCellsAt & (1 << i_2)) == 0)
{
// If this item is already at our small item count, mark it for later.
if (lp.cellsUsed == minCells)
{
smallestItemsAt |= 1 << i_2;
}
continue;
}
if (centerSingleExpandedItem && lp.preventEdgeOffset && cellsRemaining == 1)
{
// Add padding to this item such that it centers.
child.setPadding(mGeneratedItemPadding + cellSize, 0, mGeneratedItemPadding, 0);
}
lp.cellsUsed++;
lp.expanded = true;
cellsRemaining--;
}
}
needsExpansion = true;
}
// Divide any space left that wouldn't divide along cell boundaries
// evenly among the smallest items
bool singleItem = !hasOverflow && visibleItemCount == 1;
if (cellsRemaining > 0 && smallestItemsAt != 0 && (cellsRemaining < visibleItemCount
- 1 || singleItem || maxCellsUsed > 1))
{
float expandCount = Sharpen.Util.Long_GetBitCount(smallestItemsAt);
if (!singleItem)
{
// The items at the far edges may only expand by half in order to pin to either side.
if ((smallestItemsAt & 1) != 0)
{
[email protected] lp = ([email protected]
.LayoutParams)getChildAt(0).getLayoutParams();
if (!lp.preventEdgeOffset)
{
expandCount -= 0.5f;
}
}
if ((smallestItemsAt & (1 << (childCount - 1))) != 0)
{
[email protected] lp = (([email protected]
.LayoutParams)getChildAt(childCount - 1).getLayoutParams());
if (!lp.preventEdgeOffset)
{
expandCount -= 0.5f;
}
}
}
int extraPixels = expandCount > 0 ? (int)(cellsRemaining * cellSize / expandCount
) : 0;
{
for (int i_1 = 0; i_1 < childCount; i_1++)
{
if ((smallestItemsAt & (1 << i_1)) == 0)
{
continue;
}
android.view.View child = getChildAt(i_1);
[email protected] lp = ([email protected]
.LayoutParams)child.getLayoutParams();
if (child is [email protected])
{
// If this is one of our views, expand and measure at the larger size.
lp.extraPixels = extraPixels;
lp.expanded = true;
if (i_1 == 0 && !lp.preventEdgeOffset)
{
// First item gets part of its new padding pushed out of sight.
// The last item will get this implicitly from layout.
lp.leftMargin = -extraPixels / 2;
}
needsExpansion = true;
}
else
{
if (lp.isOverflowButton)
{
lp.extraPixels = extraPixels;
lp.expanded = true;
lp.rightMargin = -extraPixels / 2;
needsExpansion = true;
}
else
{
// If we don't know what it is, give it some margins instead
// and let it center within its space. We still want to pin
// against the edges.
if (i_1 != 0)
{
lp.leftMargin = extraPixels / 2;
}
if (i_1 != childCount - 1)
{
lp.rightMargin = extraPixels / 2;
}
}
}
}
}
cellsRemaining = 0;
}
// Remeasure any items that have had extra space allocated to them.
if (needsExpansion)
{
int heightSpec = android.view.View.MeasureSpec.makeMeasureSpec(heightSize - heightPadding
, heightMode);
{
for (int i_1 = 0; i_1 < childCount; i_1++)
{
android.view.View child = getChildAt(i_1);
[email protected] lp = ([email protected]
.LayoutParams)child.getLayoutParams();
if (!lp.expanded)
{
continue;
}
int width = lp.cellsUsed * cellSize + lp.extraPixels;
child.measure(android.view.View.MeasureSpec.makeMeasureSpec(width, android.view.View
.MeasureSpec.EXACTLY), heightSpec);
}
}
}
if (heightMode != android.view.View.MeasureSpec.EXACTLY)
{
heightSize = maxChildHeight;
}
setMeasuredDimension(widthSize, heightSize);
mMeasuredExtraWidth = cellsRemaining * cellSize;
}
protected internal override void onMeasure(int widthMeasureSpec, int heightMeasureSpec
)
{
int widthMode = android.view.View.MeasureSpec.getMode(widthMeasureSpec);
if (widthMode != android.view.View.MeasureSpec.EXACTLY)
{
throw new System.InvalidOperationException(GetType().Name + " can only be used "
+ "with android:layout_width=\"match_parent\" (or fill_parent)");
}
int heightMode = android.view.View.MeasureSpec.getMode(heightMeasureSpec);
if (heightMode == android.view.View.MeasureSpec.UNSPECIFIED)
{
throw new System.InvalidOperationException(GetType().Name + " can only be used "
+ "with android:layout_height=\"wrap_content\"");
}
int contentWidth = android.view.View.MeasureSpec.getSize(widthMeasureSpec);
int maxHeight = mContentHeight > 0 ? mContentHeight : android.view.View.MeasureSpec
.getSize(heightMeasureSpec);
int verticalPadding = getPaddingTop() + getPaddingBottom();
int availableWidth = contentWidth - getPaddingLeft() - getPaddingRight();
int height = maxHeight - verticalPadding;
int childSpecHeight = android.view.View.MeasureSpec.makeMeasureSpec(height, android.view.View
.MeasureSpec.AT_MOST);
if (mClose != null)
{
availableWidth = measureChildView(mClose, availableWidth, childSpecHeight, 0);
android.view.ViewGroup.MarginLayoutParams lp = (android.view.ViewGroup.MarginLayoutParams
)mClose.getLayoutParams();
availableWidth -= lp.leftMargin + lp.rightMargin;
}
if (mMenuView != null && mMenuView.getParent() == this)
{
availableWidth = measureChildView(mMenuView, availableWidth, childSpecHeight, 0);
}
if (mTitleLayout != null && mCustomView == null)
{
availableWidth = measureChildView(mTitleLayout, availableWidth, childSpecHeight,
0);
}
if (mCustomView != null)
{
android.view.ViewGroup.LayoutParams lp = mCustomView.getLayoutParams();
int customWidthMode = lp.width != android.view.ViewGroup.LayoutParams.WRAP_CONTENT
? android.view.View.MeasureSpec.EXACTLY : android.view.View.MeasureSpec.AT_MOST;
int customWidth = lp.width >= 0 ? System.Math.Min(lp.width, availableWidth) : availableWidth;
int customHeightMode = lp.height != android.view.ViewGroup.LayoutParams.WRAP_CONTENT
? android.view.View.MeasureSpec.EXACTLY : android.view.View.MeasureSpec.AT_MOST;
int customHeight = lp.height >= 0 ? System.Math.Min(lp.height, height) : height;
mCustomView.measure(android.view.View.MeasureSpec.makeMeasureSpec(customWidth, customWidthMode
), android.view.View.MeasureSpec.makeMeasureSpec(customHeight, customHeightMode)
);
}
if (mContentHeight <= 0)
{
int measuredHeight = 0;
int count = getChildCount();
{
for (int i = 0; i < count; i++)
{
android.view.View v = getChildAt(i);
int paddedViewHeight = v.getMeasuredHeight() + verticalPadding;
if (paddedViewHeight > measuredHeight)
{
measuredHeight = paddedViewHeight;
}
}
}
setMeasuredDimension(contentWidth, measuredHeight);
}
else
{
setMeasuredDimension(contentWidth, maxHeight);
}
}
internal virtual int getChildHeight(android.view.View child)
{
return(child.getMeasuredHeight());
}
protected internal override void onLayout(bool changed, int left, int top, int right
, int bottom)
{
int count = getChildCount();
int parentLeft = getPaddingLeftWithForeground();
int parentRight = right - left - getPaddingRightWithForeground();
int parentTop = getPaddingTopWithForeground();
int parentBottom = bottom - top - getPaddingBottomWithForeground();
mForegroundBoundsChanged = true;
{
for (int i = 0; i < count; i++)
{
android.view.View child = getChildAt(i);
if (child.getVisibility() != GONE)
{
android.widget.FrameLayout.LayoutParams lp = (android.widget.FrameLayout.LayoutParams
)child.getLayoutParams();
int width = child.getMeasuredWidth();
int height = child.getMeasuredHeight();
int childLeft;
int childTop;
int gravity = lp.gravity;
if (gravity == -1)
{
gravity = DEFAULT_CHILD_GRAVITY;
}
int layoutDirection = getResolvedLayoutDirection();
int absoluteGravity = android.view.Gravity.getAbsoluteGravity(gravity, layoutDirection
);
int verticalGravity = gravity & android.view.Gravity.VERTICAL_GRAVITY_MASK;
switch (absoluteGravity & android.view.Gravity.HORIZONTAL_GRAVITY_MASK)
{
case android.view.Gravity.LEFT:
{
childLeft = parentLeft + lp.leftMargin;
break;
}
case android.view.Gravity.CENTER_HORIZONTAL:
{
childLeft = parentLeft + (parentRight - parentLeft - width) / 2 + lp.leftMargin -
lp.rightMargin;
break;
}
case android.view.Gravity.RIGHT:
{
childLeft = parentRight - width - lp.rightMargin;
break;
}
default:
{
childLeft = parentLeft + lp.leftMargin;
break;
}
}
switch (verticalGravity)
{
case android.view.Gravity.TOP:
{
childTop = parentTop + lp.topMargin;
break;
}
case android.view.Gravity.CENTER_VERTICAL:
{
childTop = parentTop + (parentBottom - parentTop - height) / 2 + lp.topMargin - lp
.bottomMargin;
break;
}
case android.view.Gravity.BOTTOM:
{
childTop = parentBottom - height - lp.bottomMargin;
break;
}
default:
{
childTop = parentTop + lp.topMargin;
break;
}
}
child.layout(childLeft, childTop, childLeft + width, childTop + height);
}
}
}
}
protected internal override void onMeasure(int widthMeasureSpec, int heightMeasureSpec
)
{
int count = getChildCount();
bool measureMatchParentChildren = android.view.View.MeasureSpec.getMode(widthMeasureSpec
) != android.view.View.MeasureSpec.EXACTLY || android.view.View.MeasureSpec.getMode
(heightMeasureSpec) != android.view.View.MeasureSpec.EXACTLY;
mMatchParentChildren.clear();
int maxHeight = 0;
int maxWidth = 0;
int childState = 0;
{
for (int i = 0; i < count; i++)
{
android.view.View child = getChildAt(i);
if (mMeasureAllChildren || child.getVisibility() != GONE)
{
measureChildWithMargins(child, widthMeasureSpec, 0, heightMeasureSpec, 0);
android.widget.FrameLayout.LayoutParams lp = (android.widget.FrameLayout.LayoutParams
)child.getLayoutParams();
maxWidth = System.Math.Max(maxWidth, child.getMeasuredWidth() + lp.leftMargin + lp
.rightMargin);
maxHeight = System.Math.Max(maxHeight, child.getMeasuredHeight() + lp.topMargin +
lp.bottomMargin);
childState = combineMeasuredStates(childState, child.getMeasuredState());
if (measureMatchParentChildren)
{
if (lp.width == android.view.ViewGroup.LayoutParams.MATCH_PARENT || lp.height ==
android.view.ViewGroup.LayoutParams.MATCH_PARENT)
{
mMatchParentChildren.add(child);
}
}
}
}
}
// Account for padding too
maxWidth += getPaddingLeftWithForeground() + getPaddingRightWithForeground();
maxHeight += getPaddingTopWithForeground() + getPaddingBottomWithForeground();
// Check against our minimum height and width
maxHeight = System.Math.Max(maxHeight, getSuggestedMinimumHeight());
maxWidth = System.Math.Max(maxWidth, getSuggestedMinimumWidth());
// Check against our foreground's minimum height and width
android.graphics.drawable.Drawable drawable = getForeground();
if (drawable != null)
{
maxHeight = System.Math.Max(maxHeight, drawable.getMinimumHeight());
maxWidth = System.Math.Max(maxWidth, drawable.getMinimumWidth());
}
setMeasuredDimension(resolveSizeAndState(maxWidth, widthMeasureSpec, childState),
resolveSizeAndState(maxHeight, heightMeasureSpec, childState << MEASURED_HEIGHT_STATE_SHIFT
));
count = mMatchParentChildren.size();
if (count > 1)
{
{
for (int i_1 = 0; i_1 < count; i_1++)
{
android.view.View child = mMatchParentChildren.get(i_1);
android.view.ViewGroup.MarginLayoutParams lp = (android.view.ViewGroup.MarginLayoutParams
)child.getLayoutParams();
int childWidthMeasureSpec;
int childHeightMeasureSpec;
if (lp.width == android.view.ViewGroup.LayoutParams.MATCH_PARENT)
{
childWidthMeasureSpec = android.view.View.MeasureSpec.makeMeasureSpec(getMeasuredWidth
() - getPaddingLeftWithForeground() - getPaddingRightWithForeground() - lp.leftMargin
- lp.rightMargin, android.view.View.MeasureSpec.EXACTLY);
}
else
{
childWidthMeasureSpec = getChildMeasureSpec(widthMeasureSpec, getPaddingLeftWithForeground
() + getPaddingRightWithForeground() + lp.leftMargin + lp.rightMargin, lp.width);
}
if (lp.height == android.view.ViewGroup.LayoutParams.MATCH_PARENT)
{
childHeightMeasureSpec = android.view.View.MeasureSpec.makeMeasureSpec(getMeasuredHeight
() - getPaddingTopWithForeground() - getPaddingBottomWithForeground() - lp.topMargin
- lp.bottomMargin, android.view.View.MeasureSpec.EXACTLY);
}
else
{
childHeightMeasureSpec = getChildMeasureSpec(heightMeasureSpec, getPaddingTopWithForeground
() + getPaddingBottomWithForeground() + lp.topMargin + lp.bottomMargin, lp.height
);
}
child.measure(childWidthMeasureSpec, childHeightMeasureSpec);
}
}
}
}
internal override void measureHorizontal(int widthMeasureSpec, int heightMeasureSpec
)
{
if (android.view.View.MeasureSpec.getMode(widthMeasureSpec) == android.view.View.
MeasureSpec.UNSPECIFIED)
{
base.measureHorizontal(widthMeasureSpec, heightMeasureSpec);
return;
}
// First, measure with no constraint
int unspecifiedWidth = android.view.View.MeasureSpec.makeMeasureSpec(0, android.view.View
.MeasureSpec.UNSPECIFIED);
mImposedTabsHeight = -1;
base.measureHorizontal(unspecifiedWidth, heightMeasureSpec);
int extraWidth = getMeasuredWidth() - android.view.View.MeasureSpec.getSize(widthMeasureSpec
);
if (extraWidth > 0)
{
int count = getChildCount();
int childCount = 0;
{
for (int i = 0; i < count; i++)
{
android.view.View child = getChildAt(i);
if (child.getVisibility() == GONE)
{
continue;
}
childCount++;
}
}
if (childCount > 0)
{
if (mImposedTabWidths == null || mImposedTabWidths.Length != count)
{
mImposedTabWidths = new int[count];
}
{
for (int i_1 = 0; i_1 < count; i_1++)
{
android.view.View child = getChildAt(i_1);
if (child.getVisibility() == GONE)
{
continue;
}
int childWidth = child.getMeasuredWidth();
int delta = extraWidth / childCount;
int newWidth = System.Math.Max(0, childWidth - delta);
mImposedTabWidths[i_1] = newWidth;
// Make sure the extra width is evenly distributed, no int division remainder
extraWidth -= childWidth - newWidth;
// delta may have been clamped
childCount--;
mImposedTabsHeight = System.Math.Max(mImposedTabsHeight, child.getMeasuredHeight(
));
}
}
}
}
// Measure again, this time with imposed tab widths and respecting initial spec request
base.measureHorizontal(widthMeasureSpec, heightMeasureSpec);
}
