Teach sp<> how to std::move
Arguably we should migrate to std::shared_ptr
but for now make std::vector<sp<>> a bit less
horrible
Change-Id: Ia458a2daff0b656b2f3310b3ea100565ec844c69
diff --git a/include/utils/StrongPointer.h b/include/utils/StrongPointer.h
index aba9577..50fde35 100644
--- a/include/utils/StrongPointer.h
+++ b/include/utils/StrongPointer.h
@@ -62,8 +62,10 @@
sp(T* other);
sp(const sp<T>& other);
+ sp(sp<T>&& other);
template<typename U> sp(U* other);
template<typename U> sp(const sp<U>& other);
+ template<typename U> sp(sp<U>&& other);
~sp();
@@ -71,8 +73,10 @@
sp& operator = (T* other);
sp& operator = (const sp<T>& other);
+ sp& operator = (sp<T>&& other);
template<typename U> sp& operator = (const sp<U>& other);
+ template<typename U> sp& operator = (sp<U>&& other);
template<typename U> sp& operator = (U* other);
//! Special optimization for use by ProcessState (and nobody else).
@@ -123,6 +127,12 @@
m_ptr->incStrong(this);
}
+template<typename T>
+sp<T>::sp(sp<T>&& other)
+ : m_ptr(other.m_ptr) {
+ other.m_ptr = nullptr;
+}
+
template<typename T> template<typename U>
sp<T>::sp(U* other)
: m_ptr(other) {
@@ -137,6 +147,12 @@
m_ptr->incStrong(this);
}
+template<typename T> template<typename U>
+sp<T>::sp(sp<U>&& other)
+ : m_ptr(other.m_ptr) {
+ other.m_ptr = nullptr;
+}
+
template<typename T>
sp<T>::~sp() {
if (m_ptr)
@@ -155,6 +171,15 @@
}
template<typename T>
+sp<T>& sp<T>::operator =(sp<T>&& other) {
+ if (m_ptr)
+ m_ptr->decStrong(this);
+ m_ptr = other.m_ptr;
+ other.m_ptr = nullptr;
+ return *this;
+}
+
+template<typename T>
sp<T>& sp<T>::operator =(T* other) {
if (other)
other->incStrong(this);
@@ -176,6 +201,15 @@
}
template<typename T> template<typename U>
+sp<T>& sp<T>::operator =(sp<U>&& other) {
+ if (m_ptr)
+ m_ptr->decStrong(this);
+ m_ptr = other.m_ptr;
+ other.m_ptr = nullptr;
+ return *this;
+}
+
+template<typename T> template<typename U>
sp<T>& sp<T>::operator =(U* other) {
if (other)
((T*) other)->incStrong(this);