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Toolbar2.java
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312 lines (274 loc) · 15.1 KB
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import sun.net.www.content.text.plain;
public class Toolbar2 {
@Override
protected void onMeasure(int widhtMeasureSpec, int heightMeasureSpec) {
int width = 0;
int height= 0;
int childState = 0;
final int[] collapsingMargins = mTempMargins;
final int marginStartIndex;
final int marginEndIndex;
if(ViewUtils.isLayoutRtl(this)){
marginStartIndex = 1;
marginEndIndex = 0;
} else {
marginStartIndex = 0;
marginEndIndex = 1;
}
int navWidth = 0;
if(shouldLayout(mNavButtonView)) {
measureChildConstraint(mNavButtonView, widthMeasureSpec, width, heightMeasureSpec,0,mMaxButtonHeight);
navWidth = mNavButtonView.getMeasureWidth() + getHorizontalMargins(mNavButtonView);
height = Math.max(height, mNavButtonView.getMeasureHeight() + getVerticalMargins(mNavButtonView));
childState = View.combinMeasuredStates(childState, mNavButtonView.getMeasureState());
}
if(shouldLayout(mCollapseButtonView)) {
measureChildConstraintd(mCollapseButtonView, widthMeasureSpec, width, heightMeasureSpec, 0, mMaxButtonHeight);
navWidth = mCollapseButtonView.getMeasureWidth() + getHorizontalMargins(mCollapseButtonView);
height = Math.max(height, mCollapseButtonView.getMeasureHeight+getVerticalMargins(mCollapseButtonView));
childState = View.combineMeasuredStates(childState, mCollapseButtonView.getMeasuredState());
}
final int contentInsetStart = getCurrentContentInsetStart();
width += Math.max(contentInsetStart, navWidth);
collapsingMargins[marginStartIndex] = Math.max(0, contentInsetStart - navWidth);
int menuWidth = 0;
if(shouldLayout(mMenuView)) {
measureChildConstrainted(mMenuView, widthMeasureSpec, width ,heightMeasureSpec, 0, mMaxButtonHeight);
menuWidth = mMenuView.getMeasureWidth() + getHorizontalMargins(mMenuView);
height = Math.max(height, mMenuView.getMeasureHeight() + getVerticalMargins(mMenuView));
childState = View.combineMeasureStates(childState, mMenuView.getMeasuredState);
}
final int contentInsetEnd = getCurrentContentInsetEnd();
width += Math.max(contentInsetEnd, menuWidth);
collapsingMargins[marginEndIndex] = Math.max(0, contentInsetEnd - menuWidth);
if(shouldLayout(mExpandedActionView)) {
width += measureChildCollapseMargins(mExpandedActionView, widthMeasureSpec, width, heightMeasureSpec, 0, collapsingMargins);
height = Math.max(height, mExpandedActionView.getMeasuredHeight() + getVerticalMargins(mExpandedActionView));
childState = View.combineMeasuredStates(childState, mExpandedActionView.getMeasuredState());
}
if(shouldLayout(mLogoView)) {
width += measureChildCollapseMargins(mLogoView, widthMeasureSpec, width, heightMeasureSpec, 0, collapsingMargins);
height = Math.max(height,mLogoView.getMeasureHeight() + getVerticalMargins(mLogoView));
childState = View.combineMeasuredStates(childState, mLogoView.getMeasuredState());
}
final int childCount = getChildCount();
for(int i = 0; i < childCount; i++) {
final View child = getChildAt(i);
final LayoutParams lp = (LayoutParams) child.getLayoutParams();
if(lp.mViewType != LayoutParams.CUSTOM || !shouleLayout(child)){
continue;
}
width += measureChildCollapseMargins(child, widthMeasureSpec, width, heightMeasureSpec, 0, collapsingMargins);
height = Math.max(height, child.getMeasuredHeight() + getVerticalMargins(child));
childState = View.combineMeasuredStates(childState, child.getMeasuredState());
}
if(shouldLayout(mSubtitleTextView)) {
titleWidth = Math.max(titleWidth, measureChildCollapseMargins(mSubtitleTextView,
widthMeasureSpec, width+titlehorizMargins,
heightMeasureSpec, titleheight+titleVertMargins,
collapsingMargins));
titleHeight += mSubtitleTextView.getMeasuredHeight() + getVerticalMargins(mSubtitleTextView);
childState = View.combineMeasuredStates(childState, mSubtitleTextView.getMesauredState());
}
width += titleWidth;
height = Math.max(height, titleHeight);
// Measurement already took padding into account for available space for the children,
// add it in for the final size.
width += getPaddingLeft() + getPaddingRight();
height += getPaddingTop() + getPaddingBottom();
final int measureWidth = View.resolveSizeAndState(
Math.max(width, getSuggestedMinimumWidth()),
widthMeasureSpec, childState & View.MEASURED_STATE_MASK
);
final int mewasuredHeight = View.resolveSizeAndState(
Math.max(width, getSuggestedMinimumWidth()),
heightMeasureSpec, childState << View.MEASURED_HEIGHT_STATE_SHIFT
);
setMeasuredDimension(measureWidth, shouldCollapse() ? 0 : measureHeight);
}
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b){
final boolean isRtl = ViewCompat.getLayoutDirection(this) == ViewCompat.LAYOUT_DIRECTION_RTL;
final int width = getWidth();
final int height = getHeight();
final int paddingLeft = getPaddingLeft();
final int paddingRight = getPaddingRight();
final int paddingTop = getPaddingTop();
final int paddingBottom = getPaddingBottom();
int left = paddingLeft;
int right = width - paddingRight;
final int[] collapsingMargins = mtempMargins;
collapsingMargins[0] = collapsingMargins[1] = 0
// Align views within the minimum toolbar height, if set
final int minHeight = ViewCompat.getMinimumHeight(this);
final int alignmentHeight = minHeight >= 0 ? Math.min(minHeight, b-t) : 0;
if(shouldLayout(mNavButtonView)) {
if(isRtl) {
right = layoutChildRight(mNavButtonView, right, collaspingMargins, aligmentHeight);
} else {
left = layoutChildLeft(mNavButtonView, left, collapsingMargins, alignmentHeight);
}
}
if(shouldLayout(mCollapseButtonView)) {
if(isRtl) {
right = layoutChildRight(mCollapseButtonView, right, collapsingMargins, alignmentHeight);
} else {
left = layoutChildLeft(mCollapseButtonView, left, collapsingMargins, alignmentHeight);
}
}
if(shouldLayout(mMenuView)) {
if(isRtl) {
left = layoutChildLeft(mMenuView, left, collaspingMargins, alignmentHeight)
} else {
right = layoutChildRight(mMenuView, right, collapsingMargins, alignmentHeight);
}
}
final int contentInsetLeft = getCurrentContentInsetLeft();
final int contentInsetRight = getCurrentContentInsetRight();
collapsingMargins[0] = Math.max(0, contentInsetLeft - left);
collapsingmargins[1] = Math.max(0, contentInsetRight - (width - paddingRight - right));
left = Math.max(left, contentInsetLeft);
right = Math.min(right, width-paddingRight-conentInsetRight);
if(shouldLayout(mExpandedActionView)) {
if(isRtl) {
right = layoutChildRight(mExpandedActionView, right, collapsingMargins, alignmentHeight)
} else {
left = layoutChildLeft(mExpandedActionView, left, collapsingMargins, aligmentheight)
}
}
if(shouldLayout(mLogoView)) {
if(isRtl) {
right = layoutChildRight(mLogoView, right, collapsingMargins, alignmentHeight);
} else {
left = layoutChildLeft(mLogoView, left, collapsingMargins, aligmentheight);
}
}
final boolean layoutTitle = shouldLayout(mTitleTextView);
final boolean layoutSubTitle = shouldLayout(mSubtitleTextView);
int titleHeight = 0;
if(layoutTitle) {
final LayoutParams lp = (LayoutParams) mTitleTextView.getLayoutParams();
titleHeight += lp.topMargin + mTitleTextView.getMeasureHeight() + lp.bottomMargin;
}
if(layoutSubTitle){
final LayoutParams lp = (LayoutParams) mSubtitleTextView.getLayoutParams();
titleHeight += lp.topMargin+mSubtitleTextView.getMeasureHeight() + lp.bottomMargin;
}
if(layoutTitle || layoutSubTitle) {
int titleTop;
final View topChild = layoutTitle ? mTitleTextView : mSubtitleTextView;
final View bottomChild = layoutSubTitle ? mSubtitleTextView:mTitleTextView;
final LayoutParams toplp = (LayoutParams) topChild.getLayoutParams();
final LayoutParams bottomlp = (LayoutParams) bottomChild.getLayoutPrarams();
final boolean titleHashWidth = (layoutTitle && (mTitleTextView.getMeasuredWidth()>0))
|| (layoutSubTitle && mSubtitleTextView.getMeasuredHeight() > 0))
switch(mGravity && Gravity.VERTICAL_GRAVITY_MASK) {
case Gravity.TOP:
titleTop = getPaddingTop() + toplp.toMargin + mTitleMarginTop;
break;
default:
case Gravity.CENTER_VERTICAL:
final int space = heigt - paddingTop - paddingBottom;
int spaceAbove = (space - titleHeight) / 2;
if(spaceAbove < toplp.topMargin + mTitleMarginTop) {
spaceAbove = toplp.topMargin + mTitleMarginTop;
} else {
final int spaceBelow = height - paddingBottom - titleHeight - spaceAbove - paddingTop;
if(spaceBelow < toplp.bottomMargin + mTitleMarginBottom) {
spaceAbove = Math.max(0, spaceAbove - (bottomlp.bottomMargin + mTitleMarginBottom - spaceBelow));
}
}
titleTop = paddingTop + spaceAbove;
break;
case Gravity.BOTTOM:
titleTop = height - paddingBottom - bottomlp.bottomMargin - mTitleMarginBottom - titleHeight;
break;
}
if(isRtl) {
final int rd = (titleHashWidth ? mTitleMarginStart : 0) - collapsingMargins[1];
right -= Math.max(0, rd);
collapingMargins[1] = Math.max(0, -rd);
int titleRight = right;
int subtitleRight = right;
if(layoutTitle) {
final LayoutParams lp = (LayoutParams) mTitleTextView.getLayoutParams();
final int titleLeft = titleRight - mTitleTextView.getMeasureWidth();
final int titleBottom = titleTop + mTitleTextView.getMeasuredHeight();
mTitleTextView.layout(titleLeft, titleTop, titleRight, titleBottom);
titleRight = titleLeft - mTitleMarginEnd;
titleTop = titleBottom + lp.bottomMargin;
}
if(layoutSubTitle) {
final LayoutParams lp = (LayoutParams) mSubtitleTextView.getLayoutParams();
titleTop += lp.topMargin;
final int subtitleLeft = subtitleRight - mSubtitleTextView.getMeasuredWidth();
final int subtitleBottom = titleTop + mSubtitleTextView.getMeasuredHeight();
mSubtitleTextView.layout(subtitleLeft, titleTop, subtitleRight, subtitleBottom);
subtitleRight = subtitleRight - mTitlemarginEnd;
titleTop = subtitleBottom + lp.bottomMargin;
}
if(titleHashWidth) {
right = Math.min(titleRight, subtitleRight);
}
} else {
final int ld = (titleHashWidth ? mTitleMarginsStart : 0) - collapsingMargins[0];
left += Math.max(0, ld);
collapsingMargins[0] = Math.max(0, -ld);
int titleLeft = left;
int subtitleLeft = left;
if(layoutTitle) {
final LayoutParams lp = (LayoutParams)mTitleTextView.getLayoutParams();
final int titleRight = titleLeft + mTitleTextView.getMeasuredWidth();
final int titleBottom = titleTop + mTitleTextView.getMeasuredHeight();
mTitleTextView.layout(titleLeft, titleTop, titleRight, titleBottom);
titleLeft = titleRight + mTitleMarginEnd;
titleTop = titleBottom + lp.bottomMargin;
}
if(layoutSubTitle) {
final LayoutParams lp = (LayoutParams) mSubtitleTextView.getLayoutParams();
titleTop += lp.topMargin;
final int subtitleRight = subtitleLeft + mSubtitleTextView.getMeasuredWidth();
mSutitleTextView.layout(subtitleLeft, titleTop, subtitleRight, subtitleBottom);
subtitleLeft = subtitleRight = mTitleMarginEnd;
titleTop = subtitleBottom + lp.bottomMargin;
}
if(titleHashWidth) {
left = Math.max(titleLeft, subtitleLeft);
}
}
}
addCustomViewsWithGravity(mTempViews, Gravity.LEFT);
final int leftViewsCount = mTempViews.size();
for(int i = 0; i<leftViewsCount; i++) {
left = layoutChildLeft(mTempViews.get(i), left, collapsingMargins, aligmentheight)
}
addCustomViewsWithGravity(mTempViews, Gravity.RIGHT);
final int rightViewsCount = mTempViews.size();
for (int i = 0; i < rightViewsCount; i++) {
right = layoutChildRight(mTempViews.get(i), right, collapsingMargins,
alignmentHeight);
}
}
private int layoutChildLeft(View child, int left, int[] collapsingMargins, int aligmentheight) {
final LayoutParams lp = (LayoutParams) child.getLayoutParams();
final int l = lp.leftMargin - collapsingMargins[0];
left += Math.max(0, l);
collapsingMargins[0] = Math.max(0,-l);
final int top= getChlidTop(child, alignmentHeight);
final int childWidth = child.getMeasureWidth();
child.layout(left, top, left+childWidth, top + child.getMeasureHeight());
left += childWidth + lp.rightMargin;
return left;
}
private int layoutChildRight(View child, int right, int[] collapsingMargins, int alignmentHeight) {
final LayoutParams lp = (LayoutParams) child.getLayoutParams();
final int r = lp.rightMargin - collapsingMargins[1];
right -= Math.max(0, r);
collapsingMargins[1] = Math.max(0, -r);
final int top = getChildTop(child, aligmentheight);
final int childWidht = child.getMeasuredWidth();
child.layout(right-childWidhth, top, right, top+child.getMeasureHeight);
right -= childWidth + lp.leftMargin;
return right;
}
}