| Index: gpu/np_utils/np_object_pointer.h
|
| ===================================================================
|
| --- gpu/np_utils/np_object_pointer.h (revision 34090)
|
| +++ gpu/np_utils/np_object_pointer.h (working copy)
|
| @@ -1,119 +0,0 @@
|
| -// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
|
| -// Use of this source code is governed by a BSD-style license that can be
|
| -// found in the LICENSE file.
|
| -
|
| -#ifndef GPU_NP_UTILS_NP_OBJECT_POINTER_H_
|
| -#define GPU_NP_UTILS_NP_OBJECT_POINTER_H_
|
| -
|
| -#include "base/logging.h"
|
| -#include "gpu/np_utils/np_browser.h"
|
| -#include "gpu/np_utils/np_headers.h"
|
| -
|
| -namespace np_utils {
|
| -
|
| -// Smart pointer for NPObjects that automatically handles reference counting.
|
| -template <typename NPObjectType>
|
| -class NPObjectPointer {
|
| - public:
|
| - NPObjectPointer() : object_(NULL) {}
|
| -
|
| - NPObjectPointer(const NPObjectPointer& rhs) : object_(rhs.object_) {
|
| - Retain();
|
| - }
|
| -
|
| - explicit NPObjectPointer(NPObjectType* p) : object_(p) {
|
| - Retain();
|
| - }
|
| -
|
| - template <typename RHS>
|
| - NPObjectPointer(const NPObjectPointer<RHS>& rhs) : object_(rhs.Get()) {
|
| - Retain();
|
| - }
|
| -
|
| - ~NPObjectPointer() {
|
| - Release();
|
| - }
|
| -
|
| - NPObjectPointer& operator=(const NPObjectPointer& rhs) {
|
| - if (object_ == rhs.Get())
|
| - return *this;
|
| -
|
| - Release();
|
| - object_ = rhs.object_;
|
| - Retain();
|
| - return *this;
|
| - }
|
| -
|
| - template <typename RHS>
|
| - NPObjectPointer& operator=(const NPObjectPointer<RHS>& rhs) {
|
| - if (object_ == rhs.Get())
|
| - return *this;
|
| -
|
| - Release();
|
| - object_ = rhs.Get();
|
| - Retain();
|
| - return *this;
|
| - }
|
| -
|
| - template <class RHS>
|
| - bool operator==(const NPObjectPointer<RHS>& rhs) const {
|
| - return object_ == rhs.Get();
|
| - }
|
| -
|
| - template <class RHS>
|
| - bool operator!=(const NPObjectPointer<RHS>& rhs) const {
|
| - return object_ != rhs.Get();
|
| - }
|
| -
|
| - // The NPObject convention for returning an NPObject pointer from a function
|
| - // is that the caller is responsible for releasing the reference count.
|
| - static NPObjectPointer FromReturned(NPObjectType* p) {
|
| - NPObjectPointer pointer(p);
|
| - pointer.Release();
|
| - return pointer;
|
| - }
|
| -
|
| - // The NPObject convention for returning an NPObject pointer from a function
|
| - // is that the caller is responsible for releasing the reference count.
|
| - NPObjectType* ToReturned() const {
|
| - Retain();
|
| - return object_;
|
| - }
|
| -
|
| - NPObjectType* Get() const {
|
| - return object_;
|
| - }
|
| -
|
| - NPObjectType* operator->() const {
|
| - return object_;
|
| - }
|
| -
|
| - NPObjectType& operator*() const {
|
| - return *object_;
|
| - }
|
| -
|
| - private:
|
| - void Retain() const {
|
| - if (object_) {
|
| - NPBrowser::get()->RetainObject(object_);
|
| - }
|
| - }
|
| -
|
| - void Release() const {
|
| - if (object_) {
|
| - NPBrowser::get()->ReleaseObject(object_);
|
| - }
|
| - }
|
| -
|
| - NPObjectType* object_;
|
| -};
|
| -
|
| -// For test diagnostics.
|
| -template <typename NPObjectType>
|
| -std::ostream& operator<<(std::ostream& stream,
|
| - const NPObjectPointer<NPObjectType>& pointer) {
|
| - return stream << pointer.Get();
|
| -}
|
| -} // namespace np_utils
|
| -
|
| -#endif // GPU_NP_UTILS_NP_OBJECT_POINTER_H_
|
|
|