/*
 * Copyright 2017 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.
 */

#ifndef ANDROID_DVR_HARDWARE_COMPOSER_IMPL_VR_COMPOSER_CLIENT_H
#define ANDROID_DVR_HARDWARE_COMPOSER_IMPL_VR_COMPOSER_CLIENT_H

#include <android/frameworks/vr/composer/1.0/IVrComposerClient.h>
#include <ComposerClient.h>
#include <IComposerCommandBuffer.h>

namespace android {
namespace dvr {

class VrHwc;

using hardware::graphics::common::V1_0::PixelFormat;
using hardware::graphics::composer::V2_1::implementation::ComposerClient;

class VrComposerClient : public IVrComposerClient {
 public:
  VrComposerClient(android::dvr::VrHwc& hal);
  virtual ~VrComposerClient();

  void onHotplug(Display display, IComposerCallback::Connection connected);

  // IComposerClient
  Return<void> registerCallback(const sp<IComposerCallback>& callback) override;
  Return<uint32_t> getMaxVirtualDisplayCount() override;
  Return<void> createVirtualDisplay(
      uint32_t width, uint32_t height, PixelFormat formatHint,
      uint32_t outputBufferSlotCount, createVirtualDisplay_cb hidl_cb) override;
  Return<Error> destroyVirtualDisplay(Display display) override;
  Return<void> createLayer(Display display, uint32_t bufferSlotCount,
                           createLayer_cb hidl_cb) override;
  Return<Error> destroyLayer(Display display, Layer layer) override;
  Return<void> getActiveConfig(Display display,
                               getActiveConfig_cb hidl_cb) override;
  Return<Error> getClientTargetSupport(
      Display display, uint32_t width, uint32_t height, PixelFormat format,
      Dataspace dataspace) override;
  Return<void> getColorModes(Display display,
                             getColorModes_cb hidl_cb) override;
  Return<void> getDisplayAttribute(
      Display display, Config config, Attribute attribute,
      getDisplayAttribute_cb hidl_cb) override;
  Return<void> getDisplayConfigs(Display display,
                                 getDisplayConfigs_cb hidl_cb) override;
  Return<void> getDisplayName(Display display,
                              getDisplayName_cb hidl_cb) override;
  Return<void> getDisplayType(Display display,
                              getDisplayType_cb hidl_cb) override;
  Return<void> getDozeSupport(Display display,
                              getDozeSupport_cb hidl_cb) override;
  Return<void> getHdrCapabilities(Display display,
                                  getHdrCapabilities_cb hidl_cb) override;
  Return<Error> setActiveConfig(Display display, Config config) override;
  Return<Error> setColorMode(Display display, ColorMode mode) override;
  Return<Error> setPowerMode(Display display, PowerMode mode) override;
  Return<Error> setVsyncEnabled(Display display, Vsync enabled) override;
  Return<Error> setClientTargetSlotCount(
      Display display, uint32_t clientTargetSlotCount) override;
  Return<Error> setInputCommandQueue(
      const hardware::MQDescriptorSync<uint32_t>& descriptor) override;
  Return<void> getOutputCommandQueue(
      getOutputCommandQueue_cb hidl_cb) override;
  Return<void> executeCommands(
      uint32_t inLength, const hidl_vec<hidl_handle>& inHandles,
      executeCommands_cb hidl_cb) override;

 private:
  std::unique_ptr<ComposerClient> client_;

  VrComposerClient(const VrComposerClient&) = delete;
  void operator=(const VrComposerClient&) = delete;
};

} // namespace dvr
} // namespace android

#endif  // ANDROID_DVR_HARDWARE_COMPOSER_IMPL_VR_COMPOSER_CLIENT_H