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pin header view #236

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pin header view #236

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23 changes: 22 additions & 1 deletion ptr-lib/src/in/srain/cube/views/ptr/PtrFrameLayout.java
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,7 @@ public class PtrFrameLayout extends ViewGroup {
private final static byte FLAG_AUTO_REFRESH_BUT_LATER = 0x01 << 1;
private final static byte FLAG_ENABLE_NEXT_PTR_AT_ONCE = 0x01 << 2;
private final static byte FLAG_PIN_CONTENT = 0x01 << 3;
private final static byte FLAG_PIN_HEADER = 0x01 << 4;
private final static byte MASK_AUTO_REFRESH = 0x03;
protected View mContent;
// optional config for define header and content in xml file
Expand Down Expand Up @@ -424,9 +425,14 @@ private void updatePos(int change) {
if (DEBUG) {
PtrCLog.v(LOG_TAG, "updatePos: change: %s, current: %s last: %s, top: %s, headerHeight: %s",
change, mPtrIndicator.getCurrentPosY(), mPtrIndicator.getLastPosY(), mContent.getTop(), mHeaderHeight);
PtrCLog.v(LOG_TAG, "updatePos: headerView: top: %s", mHeaderView.getTop());
}

mHeaderView.offsetTopAndBottom(change);
if (mHeaderView.getTop() <= PtrIndicator.POS_START){
mHeaderView.offsetTopAndBottom(change);
} else if (!isPinHeader()) {
mHeaderView.offsetTopAndBottom(change);
}
if (!isPinContent()) {
mContent.offsetTopAndBottom(change);
}
Expand Down Expand Up @@ -742,6 +748,21 @@ public void setPinContent(boolean pinContent) {
}
}

public boolean isPinHeader() {
return (mFlag & FLAG_PIN_HEADER) > 0;
}

/*
* The header move to visible,will not move when {@param pinHeader} set to true
*/
public void setPinHeader(boolean pinHeader){
if (pinHeader) {
mFlag = mFlag | FLAG_PIN_HEADER;
} else {
mFlag = mFlag & ~FLAG_PIN_HEADER;
}
}

/**
* It's useful when working with viewpager.
*
Expand Down