@Override
public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int width = MeasureSpec.getSize(widthMeasureSpec);
int height = MeasureSpec.getSize(heightMeasureSpec);
mUseFullPadding = true;
boolean hasButtons = false;
final boolean stacked;
if (!mForceStack) {
int buttonsWidth = 0;
for (MDButton button : mButtons) {
if (button != null && isVisible(button)) {
button.setStacked(false, false);
measureChild(button, widthMeasureSpec, heightMeasureSpec);
buttonsWidth += button.getMeasuredWidth();
hasButtons = true;
}
}
int buttonBarPadding =
getContext().getResources().getDimensionPixelSize(R.dimen.md_neutral_button_margin);
final int buttonFrameWidth = width - 2 * buttonBarPadding;
stacked = buttonsWidth > buttonFrameWidth;
} else {
stacked = true;
}
int stackedHeight = 0;
mIsStacked = stacked;
if (stacked) {
for (MDButton button : mButtons) {
if (button != null && isVisible(button)) {
button.setStacked(true, false);
measureChild(button, widthMeasureSpec, heightMeasureSpec);
stackedHeight += button.getMeasuredHeight();
hasButtons = true;
}
}
}
int availableHeight = height;
int fullPadding = 0;
int minPadding = 0;
if (hasButtons) {
if (mIsStacked) {
availableHeight -= stackedHeight;
fullPadding += 2 * mButtonPaddingFull;
minPadding += 2 * mButtonPaddingFull;
} else {
availableHeight -= mButtonBarHeight;
fullPadding += 2 * mButtonPaddingFull;
/* No minPadding */
}
} else {
/* Content has 8dp, we add 16dp and get 24dp, the frame margin */
fullPadding += 2 * mButtonPaddingFull;
}
if (isVisible(mTitleBar)) {
mTitleBar.measure(
MeasureSpec.makeMeasureSpec(width, MeasureSpec.EXACTLY), MeasureSpec.UNSPECIFIED);
availableHeight -= mTitleBar.getMeasuredHeight();
} else if (!mNoTitleNoPadding) {
fullPadding += mNoTitlePaddingFull;
}
if (isVisible(mContent)) {
mContent.measure(
MeasureSpec.makeMeasureSpec(width, MeasureSpec.EXACTLY),
MeasureSpec.makeMeasureSpec(availableHeight - minPadding, MeasureSpec.AT_MOST));
if (mContent.getMeasuredHeight() <= availableHeight - fullPadding) {
if (!mReducePaddingNoTitleNoButtons || isVisible(mTitleBar) || hasButtons) {
mUseFullPadding = true;
availableHeight -= mContent.getMeasuredHeight() + fullPadding;
} else {
mUseFullPadding = false;
availableHeight -= mContent.getMeasuredHeight() + minPadding;
}
} else {
mUseFullPadding = false;
availableHeight = 0;
}
}
setMeasuredDimension(width, height - availableHeight);
}
