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-rw-r--r--media/omx-plugin/include/ics/utils/RefBase.h528
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diff --git a/media/omx-plugin/include/ics/utils/RefBase.h b/media/omx-plugin/include/ics/utils/RefBase.h
deleted file mode 100644
index c7a9b7895..000000000
--- a/media/omx-plugin/include/ics/utils/RefBase.h
+++ /dev/null
@@ -1,528 +0,0 @@
-/*
- * Copyright (C) 2005 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_REF_BASE_H
-#define ANDROID_REF_BASE_H
-
-#include <cutils/atomic.h>
-
-#include <stdint.h>
-#include <sys/types.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <utils/StrongPointer.h>
-
-// ---------------------------------------------------------------------------
-namespace android {
-
-class TextOutput;
-TextOutput& printWeakPointer(TextOutput& to, const void* val);
-
-// ---------------------------------------------------------------------------
-
-#define COMPARE_WEAK(_op_) \
-inline bool operator _op_ (const sp<T>& o) const { \
- return m_ptr _op_ o.m_ptr; \
-} \
-inline bool operator _op_ (const T* o) const { \
- return m_ptr _op_ o; \
-} \
-template<typename U> \
-inline bool operator _op_ (const sp<U>& o) const { \
- return m_ptr _op_ o.m_ptr; \
-} \
-template<typename U> \
-inline bool operator _op_ (const U* o) const { \
- return m_ptr _op_ o; \
-}
-
-// ---------------------------------------------------------------------------
-class ReferenceMover;
-class ReferenceConverterBase {
-public:
- virtual size_t getReferenceTypeSize() const = 0;
- virtual void* getReferenceBase(void const*) const = 0;
- inline virtual ~ReferenceConverterBase() { }
-};
-
-// ---------------------------------------------------------------------------
-
-class RefBase
-{
-public:
- void incStrong(const void* id) const;
- void decStrong(const void* id) const;
-
- void forceIncStrong(const void* id) const;
-
- //! DEBUGGING ONLY: Get current strong ref count.
- int32_t getStrongCount() const;
-
- class weakref_type
- {
- public:
- RefBase* refBase() const;
-
- void incWeak(const void* id);
- void decWeak(const void* id);
-
- // acquires a strong reference if there is already one.
- bool attemptIncStrong(const void* id);
-
- // acquires a weak reference if there is already one.
- // This is not always safe. see ProcessState.cpp and BpBinder.cpp
- // for proper use.
- bool attemptIncWeak(const void* id);
-
- //! DEBUGGING ONLY: Get current weak ref count.
- int32_t getWeakCount() const;
-
- //! DEBUGGING ONLY: Print references held on object.
- void printRefs() const;
-
- //! DEBUGGING ONLY: Enable tracking for this object.
- // enable -- enable/disable tracking
- // retain -- when tracking is enable, if true, then we save a stack trace
- // for each reference and dereference; when retain == false, we
- // match up references and dereferences and keep only the
- // outstanding ones.
-
- void trackMe(bool enable, bool retain);
- };
-
- weakref_type* createWeak(const void* id) const;
-
- weakref_type* getWeakRefs() const;
-
- //! DEBUGGING ONLY: Print references held on object.
- inline void printRefs() const { getWeakRefs()->printRefs(); }
-
- //! DEBUGGING ONLY: Enable tracking of object.
- inline void trackMe(bool enable, bool retain)
- {
- getWeakRefs()->trackMe(enable, retain);
- }
-
- typedef RefBase basetype;
-
-protected:
- RefBase();
- virtual ~RefBase();
-
- //! Flags for extendObjectLifetime()
- enum {
- OBJECT_LIFETIME_STRONG = 0x0000,
- OBJECT_LIFETIME_WEAK = 0x0001,
- OBJECT_LIFETIME_MASK = 0x0001
- };
-
- void extendObjectLifetime(int32_t mode);
-
- //! Flags for onIncStrongAttempted()
- enum {
- FIRST_INC_STRONG = 0x0001
- };
-
- virtual void onFirstRef();
- virtual void onLastStrongRef(const void* id);
- virtual bool onIncStrongAttempted(uint32_t flags, const void* id);
- virtual void onLastWeakRef(const void* id);
-
-private:
- friend class ReferenceMover;
- static void moveReferences(void* d, void const* s, size_t n,
- const ReferenceConverterBase& caster);
-
-private:
- friend class weakref_type;
- class weakref_impl;
-
- RefBase(const RefBase& o);
- RefBase& operator=(const RefBase& o);
-
- weakref_impl* const mRefs;
-};
-
-// ---------------------------------------------------------------------------
-
-template <class T>
-class LightRefBase
-{
-public:
- inline LightRefBase() : mCount(0) { }
- inline void incStrong(const void* id) const {
- android_atomic_inc(&mCount);
- }
- inline void decStrong(const void* id) const {
- if (android_atomic_dec(&mCount) == 1) {
- delete static_cast<const T*>(this);
- }
- }
- //! DEBUGGING ONLY: Get current strong ref count.
- inline int32_t getStrongCount() const {
- return mCount;
- }
-
- typedef LightRefBase<T> basetype;
-
-protected:
- inline ~LightRefBase() { }
-
-private:
- friend class ReferenceMover;
- inline static void moveReferences(void* d, void const* s, size_t n,
- const ReferenceConverterBase& caster) { }
-
-private:
- mutable volatile int32_t mCount;
-};
-
-// ---------------------------------------------------------------------------
-
-template <typename T>
-class wp
-{
-public:
- typedef typename RefBase::weakref_type weakref_type;
-
- inline wp() : m_ptr(0) { }
-
- wp(T* other);
- wp(const wp<T>& other);
- wp(const sp<T>& other);
- template<typename U> wp(U* other);
- template<typename U> wp(const sp<U>& other);
- template<typename U> wp(const wp<U>& other);
-
- ~wp();
-
- // Assignment
-
- wp& operator = (T* other);
- wp& operator = (const wp<T>& other);
- wp& operator = (const sp<T>& other);
-
- template<typename U> wp& operator = (U* other);
- template<typename U> wp& operator = (const wp<U>& other);
- template<typename U> wp& operator = (const sp<U>& other);
-
- void set_object_and_refs(T* other, weakref_type* refs);
-
- // promotion to sp
-
- sp<T> promote() const;
-
- // Reset
-
- void clear();
-
- // Accessors
-
- inline weakref_type* get_refs() const { return m_refs; }
-
- inline T* unsafe_get() const { return m_ptr; }
-
- // Operators
-
- COMPARE_WEAK(==)
- COMPARE_WEAK(!=)
- COMPARE_WEAK(>)
- COMPARE_WEAK(<)
- COMPARE_WEAK(<=)
- COMPARE_WEAK(>=)
-
- inline bool operator == (const wp<T>& o) const {
- return (m_ptr == o.m_ptr) && (m_refs == o.m_refs);
- }
- template<typename U>
- inline bool operator == (const wp<U>& o) const {
- return m_ptr == o.m_ptr;
- }
-
- inline bool operator > (const wp<T>& o) const {
- return (m_ptr == o.m_ptr) ? (m_refs > o.m_refs) : (m_ptr > o.m_ptr);
- }
- template<typename U>
- inline bool operator > (const wp<U>& o) const {
- return (m_ptr == o.m_ptr) ? (m_refs > o.m_refs) : (m_ptr > o.m_ptr);
- }
-
- inline bool operator < (const wp<T>& o) const {
- return (m_ptr == o.m_ptr) ? (m_refs < o.m_refs) : (m_ptr < o.m_ptr);
- }
- template<typename U>
- inline bool operator < (const wp<U>& o) const {
- return (m_ptr == o.m_ptr) ? (m_refs < o.m_refs) : (m_ptr < o.m_ptr);
- }
- inline bool operator != (const wp<T>& o) const { return m_refs != o.m_refs; }
- template<typename U> inline bool operator != (const wp<U>& o) const { return !operator == (o); }
- inline bool operator <= (const wp<T>& o) const { return !operator > (o); }
- template<typename U> inline bool operator <= (const wp<U>& o) const { return !operator > (o); }
- inline bool operator >= (const wp<T>& o) const { return !operator < (o); }
- template<typename U> inline bool operator >= (const wp<U>& o) const { return !operator < (o); }
-
-private:
- template<typename Y> friend class sp;
- template<typename Y> friend class wp;
-
- T* m_ptr;
- weakref_type* m_refs;
-};
-
-template <typename T>
-TextOutput& operator<<(TextOutput& to, const wp<T>& val);
-
-#undef COMPARE_WEAK
-
-// ---------------------------------------------------------------------------
-// No user serviceable parts below here.
-
-template<typename T>
-wp<T>::wp(T* other)
- : m_ptr(other)
-{
- if (other) m_refs = other->createWeak(this);
-}
-
-template<typename T>
-wp<T>::wp(const wp<T>& other)
- : m_ptr(other.m_ptr), m_refs(other.m_refs)
-{
- if (m_ptr) m_refs->incWeak(this);
-}
-
-template<typename T>
-wp<T>::wp(const sp<T>& other)
- : m_ptr(other.m_ptr)
-{
- if (m_ptr) {
- m_refs = m_ptr->createWeak(this);
- }
-}
-
-template<typename T> template<typename U>
-wp<T>::wp(U* other)
- : m_ptr(other)
-{
- if (other) m_refs = other->createWeak(this);
-}
-
-template<typename T> template<typename U>
-wp<T>::wp(const wp<U>& other)
- : m_ptr(other.m_ptr)
-{
- if (m_ptr) {
- m_refs = other.m_refs;
- m_refs->incWeak(this);
- }
-}
-
-template<typename T> template<typename U>
-wp<T>::wp(const sp<U>& other)
- : m_ptr(other.m_ptr)
-{
- if (m_ptr) {
- m_refs = m_ptr->createWeak(this);
- }
-}
-
-template<typename T>
-wp<T>::~wp()
-{
- if (m_ptr) m_refs->decWeak(this);
-}
-
-template<typename T>
-wp<T>& wp<T>::operator = (T* other)
-{
- weakref_type* newRefs =
- other ? other->createWeak(this) : 0;
- if (m_ptr) m_refs->decWeak(this);
- m_ptr = other;
- m_refs = newRefs;
- return *this;
-}
-
-template<typename T>
-wp<T>& wp<T>::operator = (const wp<T>& other)
-{
- weakref_type* otherRefs(other.m_refs);
- T* otherPtr(other.m_ptr);
- if (otherPtr) otherRefs->incWeak(this);
- if (m_ptr) m_refs->decWeak(this);
- m_ptr = otherPtr;
- m_refs = otherRefs;
- return *this;
-}
-
-template<typename T>
-wp<T>& wp<T>::operator = (const sp<T>& other)
-{
- weakref_type* newRefs =
- other != NULL ? other->createWeak(this) : 0;
- T* otherPtr(other.m_ptr);
- if (m_ptr) m_refs->decWeak(this);
- m_ptr = otherPtr;
- m_refs = newRefs;
- return *this;
-}
-
-template<typename T> template<typename U>
-wp<T>& wp<T>::operator = (U* other)
-{
- weakref_type* newRefs =
- other ? other->createWeak(this) : 0;
- if (m_ptr) m_refs->decWeak(this);
- m_ptr = other;
- m_refs = newRefs;
- return *this;
-}
-
-template<typename T> template<typename U>
-wp<T>& wp<T>::operator = (const wp<U>& other)
-{
- weakref_type* otherRefs(other.m_refs);
- U* otherPtr(other.m_ptr);
- if (otherPtr) otherRefs->incWeak(this);
- if (m_ptr) m_refs->decWeak(this);
- m_ptr = otherPtr;
- m_refs = otherRefs;
- return *this;
-}
-
-template<typename T> template<typename U>
-wp<T>& wp<T>::operator = (const sp<U>& other)
-{
- weakref_type* newRefs =
- other != NULL ? other->createWeak(this) : 0;
- U* otherPtr(other.m_ptr);
- if (m_ptr) m_refs->decWeak(this);
- m_ptr = otherPtr;
- m_refs = newRefs;
- return *this;
-}
-
-template<typename T>
-void wp<T>::set_object_and_refs(T* other, weakref_type* refs)
-{
- if (other) refs->incWeak(this);
- if (m_ptr) m_refs->decWeak(this);
- m_ptr = other;
- m_refs = refs;
-}
-
-template<typename T>
-sp<T> wp<T>::promote() const
-{
- sp<T> result;
- if (m_ptr && m_refs->attemptIncStrong(&result)) {
- result.set_pointer(m_ptr);
- }
- return result;
-}
-
-template<typename T>
-void wp<T>::clear()
-{
- if (m_ptr) {
- m_refs->decWeak(this);
- m_ptr = 0;
- }
-}
-
-template <typename T>
-inline TextOutput& operator<<(TextOutput& to, const wp<T>& val)
-{
- return printWeakPointer(to, val.unsafe_get());
-}
-
-// ---------------------------------------------------------------------------
-
-// this class just serves as a namespace so TYPE::moveReferences can stay
-// private.
-
-class ReferenceMover {
- // StrongReferenceCast and WeakReferenceCast do the impedance matching
- // between the generic (void*) implementation in Refbase and the strongly typed
- // template specializations below.
-
- template <typename TYPE>
- struct StrongReferenceCast : public ReferenceConverterBase {
- virtual size_t getReferenceTypeSize() const { return sizeof( sp<TYPE> ); }
- virtual void* getReferenceBase(void const* p) const {
- sp<TYPE> const* sptr(reinterpret_cast<sp<TYPE> const*>(p));
- return static_cast<typename TYPE::basetype *>(sptr->get());
- }
- };
-
- template <typename TYPE>
- struct WeakReferenceCast : public ReferenceConverterBase {
- virtual size_t getReferenceTypeSize() const { return sizeof( wp<TYPE> ); }
- virtual void* getReferenceBase(void const* p) const {
- wp<TYPE> const* sptr(reinterpret_cast<wp<TYPE> const*>(p));
- return static_cast<typename TYPE::basetype *>(sptr->unsafe_get());
- }
- };
-
-public:
- template<typename TYPE> static inline
- void move_references(sp<TYPE>* d, sp<TYPE> const* s, size_t n) {
- memmove(d, s, n*sizeof(sp<TYPE>));
- StrongReferenceCast<TYPE> caster;
- TYPE::moveReferences(d, s, n, caster);
- }
- template<typename TYPE> static inline
- void move_references(wp<TYPE>* d, wp<TYPE> const* s, size_t n) {
- memmove(d, s, n*sizeof(wp<TYPE>));
- WeakReferenceCast<TYPE> caster;
- TYPE::moveReferences(d, s, n, caster);
- }
-};
-
-// specialization for moving sp<> and wp<> types.
-// these are used by the [Sorted|Keyed]Vector<> implementations
-// sp<> and wp<> need to be handled specially, because they do not
-// have trivial copy operation in the general case (see RefBase.cpp
-// when DEBUG ops are enabled), but can be implemented very
-// efficiently in most cases.
-
-template<typename TYPE> inline
-void move_forward_type(sp<TYPE>* d, sp<TYPE> const* s, size_t n) {
- ReferenceMover::move_references(d, s, n);
-}
-
-template<typename TYPE> inline
-void move_backward_type(sp<TYPE>* d, sp<TYPE> const* s, size_t n) {
- ReferenceMover::move_references(d, s, n);
-}
-
-template<typename TYPE> inline
-void move_forward_type(wp<TYPE>* d, wp<TYPE> const* s, size_t n) {
- ReferenceMover::move_references(d, s, n);
-}
-
-template<typename TYPE> inline
-void move_backward_type(wp<TYPE>* d, wp<TYPE> const* s, size_t n) {
- ReferenceMover::move_references(d, s, n);
-}
-
-
-}; // namespace android
-
-// ---------------------------------------------------------------------------
-
-#endif // ANDROID_REF_BASE_H
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