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105 lines
2.2 KiB
105 lines
2.2 KiB
#ifndef FM2_GOBJECTPTR_H
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#define FM2_GOBJECTPTR_H
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#include "../libfmqtglobals.h"
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#include <glib.h>
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#include <glib-object.h>
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#include <cstddef>
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#include <QDebug>
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namespace Fm {
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template <typename T>
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class LIBFM_QT_API GObjectPtr {
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public:
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explicit GObjectPtr(): gobj_{nullptr} {
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}
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explicit GObjectPtr(T* gobj, bool add_ref = true): gobj_{gobj} {
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if(gobj_ != nullptr && add_ref)
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g_object_ref(gobj_);
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}
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GObjectPtr(const GObjectPtr& other): gobj_{other.gobj_ ? reinterpret_cast<T*>(g_object_ref(other.gobj_)) : nullptr} {
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}
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GObjectPtr(GObjectPtr&& other) noexcept: gobj_{other.release()} {
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}
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~GObjectPtr() {
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if(gobj_ != nullptr)
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g_object_unref(gobj_);
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}
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T* get() const {
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return gobj_;
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}
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T* release() {
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T* tmp = gobj_;
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gobj_ = nullptr;
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return tmp;
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}
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void reset() {
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if(gobj_ != nullptr)
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g_object_unref(gobj_);
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gobj_ = nullptr;
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}
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GObjectPtr& operator = (const GObjectPtr& other) {
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if (*this == other)
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return *this;
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if(gobj_ != nullptr)
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g_object_unref(gobj_);
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gobj_ = other.gobj_ ? reinterpret_cast<T*>(g_object_ref(other.gobj_)) : nullptr;
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return *this;
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}
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GObjectPtr& operator = (GObjectPtr&& other) noexcept {
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if (this == &other)
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return *this;
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if(gobj_ != nullptr)
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g_object_unref(gobj_);
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gobj_ = other.release();
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return *this;
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}
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GObjectPtr& operator = (T* gobj) {
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if (*this == gobj)
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return *this;
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if(gobj_ != nullptr)
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g_object_unref(gobj_);
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gobj_ = gobj ? reinterpret_cast<T*>(g_object_ref(gobj_)) : nullptr;
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return *this;
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}
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bool operator == (const GObjectPtr& other) const {
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return gobj_ == other.gobj_;
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}
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bool operator == (T* gobj) const {
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return gobj_ == gobj;
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}
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bool operator != (std::nullptr_t) const {
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return gobj_ != nullptr;
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}
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operator bool() const {
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return gobj_ != nullptr;
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}
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private:
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mutable T* gobj_;
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};
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} // namespace Fm
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#endif // FM2_GOBJECTPTR_H
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