Add suuport for splitting touch events across windows.
This feature is currently used to enable dragging the start and end
selection handles of a TextView at the same time. Could be used for
other things later.
Deleted some dead code in ArrowKeyMovementMethod and CursorControllers.
Change-Id: I930accd97ca1ca1917aab8a807db2c950fc7b409
diff --git a/include/utils/BitSet.h b/include/utils/BitSet.h
index 19c8bf0..f5dbcd94 100644
--- a/include/utils/BitSet.h
+++ b/include/utils/BitSet.h
@@ -38,6 +38,9 @@
// Clears the bit set.
inline void clear() { value = 0; }
+ // Returns the number of marked bits in the set.
+ inline uint32_t count() const { return __builtin_popcount(value); }
+
// Returns true if the bit set does not contain any marked bits.
inline bool isEmpty() const { return ! value; }