dali/internal/accessibility/bridge/bridge-collection.h

   1 #ifndef DALI_INTERNAL_ACCESSIBILITY_BRIDGE_COLLECTION_H
   2 #define DALI_INTERNAL_ACCESSIBILITY_BRIDGE_COLLECTION_H
   3
   4 /*
   5  * Copyright (c) 2021 Samsung Electronics Co., Ltd.
   6  *
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  * http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  *
  19  */
  20
  21 // EXTERNAL INCLUDES
  22 #include <array>
  23 #include <tuple>
  24 #include <unordered_map>
  25 #include <vector>
  26
  27 // INTERNAL INCLUDES
  28 #include <dali/internal/accessibility/bridge/bridge-base.h>
  29
  30 class BridgeCollection : public virtual BridgeBase
  31 {
  32 private:
  33   struct Comparer;
  34   static void VisitNodes(Dali::Accessibility::Accessible* obj, std::vector<Dali::Accessibility::Accessible*>& result, Comparer& cmp, size_t maxCount);
  35
  36 protected:
  37   BridgeCollection() = default;
  38
  39   void RegisterInterfaces();
  40
  41   Dali::Accessibility::Collection* FindSelf() const;
  42
  43 public:
  44   using MatchRule = std::tuple<
  45     std::array<int32_t, 2>,
  46     int32_t,
  47     std::unordered_map<std::string, std::string>,
  48     int32_t,
  49     std::array<int32_t, 4>,
  50     int32_t,
  51     std::vector<std::string>,
  52     int32_t,
  53     bool>;
  54   struct Index
  55   {
  56     enum
  57     {
  58       States,
  59       StatesMatchType,
  60       Attributes,
  61       AttributesMatchType,
  62       Roles,
  63       RolesMatchType,
  64       Interfaces,
  65       InterfacesMatchType,
  66     };
  67   };
  68
  69   DBus::ValueOrError<std::vector<Dali::Accessibility::Accessible*> > GetMatches(MatchRule rule, uint32_t sortBy, int32_t count, bool traverse);
  70 };
  71
  72 #endif // DALI_INTERNAL_ACCESSIBILITY_BRIDGE_COLLECTION_H