Adding upstream version 2:20.4+dfsg.upstream/2%20.4+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 105 insertions, 0 deletions

diff --git a/xbmc/settings/lib/SettingConditions.h b/xbmc/settings/lib/SettingConditions.h
new file mode 100644
index 0000000..aee2c06
--- /dev/null
+++ b/xbmc/settings/lib/SettingConditions.h
@@ -0,0 +1,105 @@
+/*
+ *  Copyright (C) 2013-2018 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#pragma once
+
+#include "SettingDefinitions.h"
+#include "utils/BooleanLogic.h"
+
+#include <map>
+#include <set>
+#include <string>
+#include <utility>
+
+class CSettingsManager;
+class CSetting;
+
+using SettingConditionCheck = bool (*)(const std::string& condition,
+                                       const std::string& value,
+                                       const std::shared_ptr<const CSetting>& setting,
+                                       void* data);
+
+class ISettingCondition
+{
+public:
+  explicit ISettingCondition(CSettingsManager *settingsManager)
+    : m_settingsManager(settingsManager)
+  { }
+  virtual ~ISettingCondition() = default;
+
+  virtual bool Check() const = 0;
+
+protected:
+  CSettingsManager *m_settingsManager;
+};
+
+class CSettingConditionItem : public CBooleanLogicValue, public ISettingCondition
+{
+public:
+  explicit CSettingConditionItem(CSettingsManager *settingsManager = nullptr)
+    : ISettingCondition(settingsManager)
+  { }
+  ~CSettingConditionItem() override = default;
+
+  bool Deserialize(const TiXmlNode *node) override;
+  const char* GetTag() const override { return SETTING_XML_ELM_CONDITION; }
+  bool Check() const override;
+
+protected:
+  std::string m_name;
+  std::string m_setting;
+};
+
+class CSettingConditionCombination : public CBooleanLogicOperation, public ISettingCondition
+{
+public:
+  explicit CSettingConditionCombination(CSettingsManager *settingsManager = nullptr)
+    : ISettingCondition(settingsManager)
+  { }
+  ~CSettingConditionCombination() override = default;
+
+  bool Check() const override;
+
+private:
+  CBooleanLogicOperation* newOperation() override { return new CSettingConditionCombination(m_settingsManager); }
+  CBooleanLogicValue* newValue() override { return new CSettingConditionItem(m_settingsManager); }
+};
+
+class CSettingCondition : public CBooleanLogic, public ISettingCondition
+{
+public:
+  explicit CSettingCondition(CSettingsManager *settingsManager = nullptr);
+  ~CSettingCondition() override = default;
+
+  bool Check() const override;
+};
+
+class CSettingConditionsManager
+{
+public:
+  CSettingConditionsManager() = default;
+  CSettingConditionsManager(const CSettingConditionsManager&) = delete;
+  CSettingConditionsManager const& operator=(CSettingConditionsManager const&) = delete;
+  virtual ~CSettingConditionsManager() = default;
+
+  void AddCondition(std::string condition);
+  void AddDynamicCondition(std::string identifier, SettingConditionCheck condition, void *data = nullptr);
+  void RemoveDynamicCondition(std::string identifier);
+
+  bool Check(
+      std::string condition,
+      const std::string& value = "",
+      const std::shared_ptr<const CSetting>& setting = std::shared_ptr<const CSetting>()) const;
+
+private:
+  using SettingConditionPair = std::pair<std::string, std::pair<SettingConditionCheck, void*>>;
+  using SettingConditionMap = std::map<std::string, std::pair<SettingConditionCheck, void*>>;
+
+  SettingConditionMap m_conditions;
+  std::set<std::string> m_defines;
+};