Emilio Cobos Álvarez
2223a8bee2
Automatically generated with:
cp dom/.clang-format xpcom/ && mach format xpcom/**.{cpp,h}
Manual changes:
* nsTDependentSubstring.cpp was relying on include order, prevent that
from being changed by clang-format.
* Missing nsAtom.h include from nsGkAtoms.h
* nsWindowsHelpers.h needed to keep the include order
* MemoryPressureLevelMac.h needed mozilla/Attributes.h
Differential Revision: https://phabricator.services.mozilla.com/D311687
91 lines
2.8 KiB
C++
91 lines
2.8 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsQueryObject_h
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#define nsQueryObject_h
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#include "mozilla/Attributes.h"
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#include "mozilla/RefPtr.h"
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#include "nsCOMPtr.h"
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/*****************************************************************************/
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template <class T>
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class MOZ_STACK_CLASS nsQueryObject final : public nsCOMPtr_helper {
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public:
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explicit nsQueryObject(T* aRawPtr) : mRawPtr(aRawPtr) {}
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virtual nsresult NS_FASTCALL operator()(const nsIID& aIID,
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void** aResult) const override {
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nsresult status = mRawPtr ? mRawPtr->QueryInterface(aIID, aResult)
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: NS_ERROR_NULL_POINTER;
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return status;
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}
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private:
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T* MOZ_NON_OWNING_REF mRawPtr;
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};
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template <class T>
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class MOZ_STACK_CLASS nsQueryObjectWithError final : public nsCOMPtr_helper {
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public:
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nsQueryObjectWithError(T* aRawPtr, nsresult* aErrorPtr)
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: mRawPtr(aRawPtr), mErrorPtr(aErrorPtr) {}
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virtual nsresult NS_FASTCALL operator()(const nsIID& aIID,
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void** aResult) const override {
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nsresult status = mRawPtr ? mRawPtr->QueryInterface(aIID, aResult)
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: NS_ERROR_NULL_POINTER;
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if (mErrorPtr) {
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*mErrorPtr = status;
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}
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return status;
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}
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private:
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T* MOZ_NON_OWNING_REF mRawPtr;
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nsresult* mErrorPtr;
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};
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/*****************************************************************************/
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/*****************************************************************************/
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template <class T>
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inline nsQueryObject<T> do_QueryObject(T* aRawPtr) {
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return nsQueryObject<T>(aRawPtr);
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}
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template <class T>
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inline nsQueryObject<T> do_QueryObject(const nsCOMPtr<T>& aRawPtr) {
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return nsQueryObject<T>(aRawPtr);
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}
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template <class T>
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inline nsQueryObject<T> do_QueryObject(const RefPtr<T>& aRawPtr) {
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return nsQueryObject<T>(aRawPtr);
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}
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template <class T>
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inline nsQueryObjectWithError<T> do_QueryObject(T* aRawPtr,
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nsresult* aErrorPtr) {
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return nsQueryObjectWithError<T>(aRawPtr, aErrorPtr);
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}
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template <class T>
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inline nsQueryObjectWithError<T> do_QueryObject(const nsCOMPtr<T>& aRawPtr,
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nsresult* aErrorPtr) {
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return nsQueryObjectWithError<T>(aRawPtr, aErrorPtr);
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}
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template <class T>
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inline nsQueryObjectWithError<T> do_QueryObject(const RefPtr<T>& aRawPtr,
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nsresult* aErrorPtr) {
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return nsQueryObjectWithError<T>(aRawPtr, aErrorPtr);
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}
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/*****************************************************************************/
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#endif // !defined(nsQueryObject_h)
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