private android.view.View obtainView()
{
android.view.View child = mFactory.makeView();
android.widget.FrameLayout.LayoutParams lp = (android.widget.FrameLayout.LayoutParams
)child.getLayoutParams();
if (lp == null)
{
lp = new android.widget.FrameLayout.LayoutParams(android.view.ViewGroup.LayoutParams
.MATCH_PARENT, android.view.ViewGroup.LayoutParams.WRAP_CONTENT);
}
addView(child, lp);
return(child);
}
private android.view.View obtainView()
{
android.view.View child = mFactory.makeView();
android.widget.FrameLayout.LayoutParams lp = (android.widget.FrameLayout.LayoutParams
)child.getLayoutParams();
if (lp == null)
{
lp = new android.widget.FrameLayout.LayoutParams(android.view.ViewGroup.LayoutParams
.MATCH_PARENT, android.view.ViewGroup.LayoutParams.WRAP_CONTENT);
}
addView(child, lp);
return child;
}
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));
}
}
}
/// <summary>
/// <p>Prepare the popup by embedding in into a new ViewGroup if the
/// background drawable is not null.
/// </summary>
/// <remarks>
/// <p>Prepare the popup by embedding in into a new ViewGroup if the
/// background drawable is not null. If embedding is required, the layout
/// parameters' height is mnodified to take into account the background's
/// padding.</p>
/// </remarks>
/// <param name="p">the layout parameters of the popup's content view</param>
private void preparePopup(android.view.WindowManagerClass.LayoutParams p)
{
if (mContentView == null || mContext == null || mWindowManager == null)
{
throw new System.InvalidOperationException("You must specify a valid content view by "
+ "calling setContentView() before attempting to show the popup.");
}
if (mBackground != null)
{
android.view.ViewGroup.LayoutParams layoutParams = mContentView.getLayoutParams();
int height = android.view.ViewGroup.LayoutParams.MATCH_PARENT;
if (layoutParams != null && layoutParams.height == android.view.ViewGroup.LayoutParams
.WRAP_CONTENT)
{
height = android.view.ViewGroup.LayoutParams.WRAP_CONTENT;
}
// when a background is available, we embed the content view
// within another view that owns the background drawable
android.widget.PopupWindow.PopupViewContainer popupViewContainer = new android.widget.PopupWindow
.PopupViewContainer(this, mContext);
android.widget.FrameLayout.LayoutParams listParams = new android.widget.FrameLayout
.LayoutParams(android.view.ViewGroup.LayoutParams.MATCH_PARENT, height);
popupViewContainer.setBackgroundDrawable(mBackground);
popupViewContainer.addView(mContentView, listParams);
mPopupView = popupViewContainer;
}
else
{
mPopupView = mContentView;
}
mPopupWidth = p.width;
mPopupHeight = p.height;
}
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);
}
}
}
}
