src/dawn/wire/client/ObjectBase.cpp

// Copyright 2022 The Dawn & Tint Authors
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#include "src/dawn/wire/client/ObjectBase.h"

#include "src/dawn/wire/client/Client.h"
#include "src/utils/assert.h"

namespace dawn::wire::client {

ObjectBase::ObjectBase(const ObjectBaseParams& params)
    : mClient(params.client), mHandle(params.handle) {
    DAWN_ASSERT(IsRegistered());
}

bool ObjectBase::IsRegistered() const {
    return mClient != nullptr;
}

const ObjectHandle& ObjectBase::GetWireHandle(const ClientBase* forClient) const {
    DAWN_ASSERT(IsRegistered());
    // TODO(crbug.com/440387003): This causes a crash if the client manages to
    // reuse an object from a different client. This should really be handled
    // with a proper validation error, but that is much more difficult, and this
    // should be a rare corner case.
    DAWN_CHECK(forClient == mClient);
    return mHandle;
}

Client* ObjectBase::GetClient() const {
    DAWN_ASSERT(IsRegistered());
    return mClient;
}

void ObjectBase::DeleteThis() {
    Unregister();
    RefCounted::DeleteThis();
}

void ObjectBase::Unregister() {
    if (!IsRegistered()) {
        return;
    }

    mClient->Unregister(this, GetObjectType());
    mClient = nullptr;
}

ObjectWithEventsBase::ObjectWithEventsBase(const ObjectBaseParams& params,
                                           const ObjectHandle& eventManagerHandle)
    : ObjectBase(params), mEventManagerHandle(eventManagerHandle) {}

const ObjectHandle& ObjectWithEventsBase::GetEventManagerHandle() const {
    return mEventManagerHandle;
}

EventManager& ObjectWithEventsBase::GetEventManager() const {
    return GetClient()->GetEventManager(mEventManagerHandle);
}

}  // namespace dawn::wire::client