Move ComposerServiceWriter to composer3.

/*

 * Copyright 2022 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#pragma once

#include <aidl/android/hardware/graphics/composer3/CommandResultPayload.h>

#include <aidl/android/hardware/graphics/composer3/IComposerClient.h>

#include <inttypes.h>

#include <string.h>

#include <algorithm>

#include <limits>

#include <memory>

#include <vector>

#include "Util.h"

namespace aidl::android::hardware::graphics::composer3::impl {

class ComposerServiceWriter {

  public:

    ComposerServiceWriter() { reset(); }

    virtual ~ComposerServiceWriter() { reset(); }

    void reset() { mCommandsResults.clear(); }

    void setError(int32_t index, int32_t errorCode) {

        CommandError error;

        error.commandIndex = index;

        error.errorCode = errorCode;

        mCommandsResults.emplace_back(std::move(error));

    }

    void setPresentOrValidateResult(int64_t display, PresentOrValidate::Result result) {

        PresentOrValidate presentOrValidate;

        presentOrValidate.display = display;

        presentOrValidate.result = result;

        mCommandsResults.emplace_back(std::move(presentOrValidate));

    }

    void setChangedCompositionTypes(int64_t display, const std::vector<int64_t>& layers,

                                    const std::vector<Composition>& types) {

        ChangedCompositionTypes changedCompositionTypes;

        changedCompositionTypes.display = display;

        changedCompositionTypes.layers.reserve(layers.size());

        for (int i = 0; i < layers.size(); i++) {

            auto layer = ChangedCompositionLayer{.layer = layers[i], .composition = types[i]};

            changedCompositionTypes.layers.emplace_back(std::move(layer));

        }

        mCommandsResults.emplace_back(std::move(changedCompositionTypes));

    }

    void setDisplayRequests(int64_t display, int32_t displayRequestMask,

                            const std::vector<int64_t>& layers,

                            const std::vector<int32_t>& layerRequestMasks) {

        DisplayRequest displayRequest;

        displayRequest.display = display;

        displayRequest.mask = displayRequestMask;

        displayRequest.layerRequests.reserve(layers.size());

        for (int i = 0; i < layers.size(); i++) {

            auto layerRequest =

                    DisplayRequest::LayerRequest{.layer = layers[i], .mask = layerRequestMasks[i]};

            displayRequest.layerRequests.emplace_back(std::move(layerRequest));

        }

        mCommandsResults.emplace_back(std::move(displayRequest));

    }

    void setPresentFence(int64_t display, ::ndk::ScopedFileDescriptor presentFence) {

        if (presentFence.get() >= 0) {

            PresentFence presentFenceCommand;

            presentFenceCommand.fence = std::move(presentFence);

            presentFenceCommand.display = display;

            mCommandsResults.emplace_back(std::move(presentFenceCommand));

        } else {

            LOG(WARNING) << __func__ << ": invalid present fence " << presentFence.get();

        }

    }

    void setReleaseFences(int64_t display, const std::vector<int64_t>& layers,

                          std::vector<::ndk::ScopedFileDescriptor> releaseFences) {

        ReleaseFences releaseFencesCommand;

        releaseFencesCommand.display = display;

        for (int i = 0; i < layers.size(); i++) {

            if (releaseFences[i].get() >= 0) {

                ReleaseFences::Layer layer;

                layer.layer = layers[i];

                layer.fence = std::move(releaseFences[i]);

                releaseFencesCommand.layers.emplace_back(std::move(layer));

            } else {

                LOG(WARNING) << __func__ << ": invalid release fence " << releaseFences[i].get();

            }

        }

        mCommandsResults.emplace_back(std::move(releaseFencesCommand));

    }

    void setClientTargetProperty(int64_t display, const ClientTargetProperty& clientTargetProperty,

                                 float brightness, const DimmingStage& dimmingStage) {

        ClientTargetPropertyWithBrightness clientTargetPropertyWithBrightness;

        clientTargetPropertyWithBrightness.display = display;

        clientTargetPropertyWithBrightness.clientTargetProperty = clientTargetProperty;

        clientTargetPropertyWithBrightness.brightness = brightness;

        clientTargetPropertyWithBrightness.dimmingStage = dimmingStage;

        mCommandsResults.emplace_back(std::move(clientTargetPropertyWithBrightness));

    }

    std::vector<CommandResultPayload> getPendingCommandResults() {

        return std::move(mCommandsResults);

    }

  private:

    std::vector<CommandResultPayload> mCommandsResults;

};

}  // namespace aidl::android::hardware::graphics::composer3::impl

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