зеркало из https://github.com/mozilla/gecko-dev.git
81 строка
1.9 KiB
C++
81 строка
1.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: sw=2 ts=8 et :
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*/
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/* 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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#include <unistd.h>
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#include "GonkNativeHandle.h"
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using namespace mozilla::layers;
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namespace mozilla {
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namespace layers {
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GonkNativeHandle::GonkNativeHandle()
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: mNhObj(new NhObj())
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{
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}
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GonkNativeHandle::GonkNativeHandle(NhObj* aNhObj)
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: mNhObj(aNhObj)
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{
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MOZ_ASSERT(aNhObj);
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}
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void
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GonkNativeHandle::TransferToAnother(GonkNativeHandle& aHandle)
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{
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aHandle.mNhObj = this->GetAndResetNhObj();
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}
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already_AddRefed<GonkNativeHandle::NhObj>
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GonkNativeHandle::GetAndResetNhObj()
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{
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RefPtr<NhObj> nhObj = mNhObj;
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mNhObj = new NhObj();
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return nhObj.forget();
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}
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already_AddRefed<GonkNativeHandle::NhObj>
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GonkNativeHandle::GetDupNhObj()
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{
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if (!IsValid()) {
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return GonkNativeHandle::CreateDupNhObj(nullptr);
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}
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return GonkNativeHandle::CreateDupNhObj(mNhObj->mHandle);
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}
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/* static */ already_AddRefed<GonkNativeHandle::NhObj>
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GonkNativeHandle::CreateDupNhObj(native_handle_t* aHandle)
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{
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RefPtr<NhObj> nhObj;
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if (aHandle) {
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native_handle* nativeHandle =
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native_handle_create(aHandle->numFds, aHandle->numInts);
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if (!nativeHandle) {
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nhObj = new GonkNativeHandle::NhObj();
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return nhObj.forget();
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}
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for (int i = 0; i < aHandle->numFds; ++i) {
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nativeHandle->data[i] = dup(aHandle->data[i]);
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}
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memcpy(nativeHandle->data + nativeHandle->numFds,
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aHandle->data + aHandle->numFds,
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sizeof(int) * aHandle->numInts);
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nhObj = new GonkNativeHandle::NhObj(nativeHandle);
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} else {
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nhObj = new GonkNativeHandle::NhObj();
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}
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return nhObj.forget();
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}
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} // namespace layers
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} // namespace mozilla
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