665b5c54dd
This does not yet add the presubmit check. I'll do that when more of ppapi/ is converted. BUG=345417 Review URL: https://codereview.chromium.org/174213003 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@252768 0039d316-1c4b-4281-b951-d872f2087c98
73 lines
1.8 KiB
C++
73 lines
1.8 KiB
C++
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "ppapi/shared_impl/scoped_pp_resource.h"
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#include "ppapi/shared_impl/ppapi_globals.h"
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#include "ppapi/shared_impl/resource.h"
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#include "ppapi/shared_impl/resource_tracker.h"
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namespace ppapi {
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ScopedPPResource::ScopedPPResource() : id_(0) {}
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ScopedPPResource::ScopedPPResource(PP_Resource resource) : id_(resource) {
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CallAddRef();
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}
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ScopedPPResource::ScopedPPResource(const PassRef&, PP_Resource resource)
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: id_(resource) {}
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ScopedPPResource::ScopedPPResource(Resource* resource)
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: id_(resource ? resource->GetReference() : 0) {
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// GetReference AddRef's for us.
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}
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ScopedPPResource::ScopedPPResource(const ScopedPPResource& other)
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: id_(other.id_) {
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CallAddRef();
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}
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ScopedPPResource::~ScopedPPResource() { CallRelease(); }
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ScopedPPResource& ScopedPPResource::operator=(PP_Resource resource) {
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if (id_ == resource)
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return *this; // Be careful about self-assignment.
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CallRelease();
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id_ = resource;
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CallAddRef();
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return *this;
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}
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ScopedPPResource& ScopedPPResource::operator=(
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const ScopedPPResource& resource) {
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if (id_ == resource.id_)
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return *this; // Be careful about self-assignment.
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CallRelease();
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id_ = resource.id_;
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CallAddRef();
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return *this;
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}
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PP_Resource ScopedPPResource::Release() {
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// We do NOT call CallRelease, because we want to pass our reference to the
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// caller.
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PP_Resource ret = id_;
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id_ = 0;
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return ret;
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}
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void ScopedPPResource::CallAddRef() {
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if (id_)
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PpapiGlobals::Get()->GetResourceTracker()->AddRefResource(id_);
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}
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void ScopedPPResource::CallRelease() {
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if (id_)
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PpapiGlobals::Get()->GetResourceTracker()->ReleaseResource(id_);
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}
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} // namespace ppapi
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