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path: root/dali/internal/accessibility/bridge/bridge-data.cpp
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/*
 * Copyright (c) 2024 Samsung Electronics Co., Ltd.
 *
 * 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.
 *
 */

// EXTERNAL INCLUDES
#include <string>

// INTERNAL INCLUDES
#include <dali/internal/accessibility/bridge/bridge-data.h>
#include <dali/internal/accessibility/bridge/dbus/dbus.h>

using namespace Dali::Accessibility;

std::string BridgeData::StripPrefix(const std::string& path)
{
  auto size = strlen(AtspiPath);
  return path.substr(size + 1);
}

Accessible* BridgeData::Find(const std::string& path) const
{
  if(path == "root")
  {
    return &mApplication;
  }

  void*              accessible;
  std::istringstream tmp{path};
  if(!(tmp >> accessible))
  {
    throw std::domain_error{"invalid path '" + path + "'"};
  }

  auto it = mKnownObjects.find(static_cast<Accessible*>(accessible));
  if(it == mKnownObjects.end() || (*it)->IsHidden())
  {
    throw std::domain_error{"unknown object '" + path + "'"};
  }

  return static_cast<Accessible*>(accessible);
}

Accessible* BridgeData::FindCurrentObject() const
{
  auto path = DBus::DBusServer::getCurrentObjectPath();
  auto size = strlen(AtspiPath);
  if(path.size() <= size)
  {
    throw std::domain_error{"invalid path '" + path + "'"};
  }
  if(path.substr(0, size) != AtspiPath)
  {
    throw std::domain_error{"invalid path '" + path + "'"};
  }
  if(path[size] != '/')
  {
    throw std::domain_error{"invalid path '" + path + "'"};
  }
  return Find(StripPrefix(path));
}

void BridgeData::AddKnownObject(const Accessible* object)
{
  mKnownObjects.insert(object);
}

void BridgeData::RemoveKnownObject(const Accessible* object)
{
  mKnownObjects.erase(object);
}

void BridgeData::SetExtentsOffset(int32_t x, int32_t y)
{
  mExtentsOffset = {x, y};
}

OffsetType BridgeData::GetExtentsOffset() const
{
  return mExtentsOffset;
}