118 lines
4.9 KiB
C++
118 lines
4.9 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_PERSISTABLE_BUNDLE_H
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#define ANDROID_PERSISTABLE_BUNDLE_H
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#include <map>
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#include <vector>
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#include <binder/Parcelable.h>
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#include <utils/String16.h>
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#include <utils/StrongPointer.h>
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namespace android {
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namespace os {
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/*
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* C++ implementation of PersistableBundle, a mapping from String values to
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* various types that can be saved to persistent and later restored.
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*/
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class PersistableBundle : public Parcelable {
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public:
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PersistableBundle() = default;
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virtual ~PersistableBundle() = default;
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PersistableBundle(const PersistableBundle& bundle) = default;
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status_t writeToParcel(Parcel* parcel) const override;
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status_t readFromParcel(const Parcel* parcel) override;
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bool empty() const;
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size_t size() const;
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size_t erase(const String16& key);
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/*
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* Setters for PersistableBundle. Adds a a key-value pair instantiated with
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* |key| and |value| into the member map appropriate for the type of |value|.
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* If there is already an existing value for |key|, |value| will replace it.
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*/
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void putBoolean(const String16& key, bool value);
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void putInt(const String16& key, int32_t value);
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void putLong(const String16& key, int64_t value);
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void putDouble(const String16& key, double value);
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void putString(const String16& key, const String16& value);
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void putBooleanVector(const String16& key, const std::vector<bool>& value);
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void putIntVector(const String16& key, const std::vector<int32_t>& value);
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void putLongVector(const String16& key, const std::vector<int64_t>& value);
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void putDoubleVector(const String16& key, const std::vector<double>& value);
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void putStringVector(const String16& key, const std::vector<String16>& value);
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void putPersistableBundle(const String16& key, const PersistableBundle& value);
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/*
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* Getters for PersistableBundle. If |key| exists, these methods write the
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* value associated with |key| into |out|, and return true. Otherwise, these
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* methods return false.
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*/
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bool getBoolean(const String16& key, bool* out) const;
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bool getInt(const String16& key, int32_t* out) const;
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bool getLong(const String16& key, int64_t* out) const;
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bool getDouble(const String16& key, double* out) const;
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bool getString(const String16& key, String16* out) const;
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bool getBooleanVector(const String16& key, std::vector<bool>* out) const;
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bool getIntVector(const String16& key, std::vector<int32_t>* out) const;
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bool getLongVector(const String16& key, std::vector<int64_t>* out) const;
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bool getDoubleVector(const String16& key, std::vector<double>* out) const;
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bool getStringVector(const String16& key, std::vector<String16>* out) const;
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bool getPersistableBundle(const String16& key, PersistableBundle* out) const;
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friend bool operator==(const PersistableBundle& lhs, const PersistableBundle& rhs) {
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return (lhs.mBoolMap == rhs.mBoolMap && lhs.mIntMap == rhs.mIntMap &&
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lhs.mLongMap == rhs.mLongMap && lhs.mDoubleMap == rhs.mDoubleMap &&
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lhs.mStringMap == rhs.mStringMap && lhs.mBoolVectorMap == rhs.mBoolVectorMap &&
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lhs.mIntVectorMap == rhs.mIntVectorMap &&
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lhs.mLongVectorMap == rhs.mLongVectorMap &&
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lhs.mDoubleVectorMap == rhs.mDoubleVectorMap &&
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lhs.mStringVectorMap == rhs.mStringVectorMap &&
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lhs.mPersistableBundleMap == rhs.mPersistableBundleMap);
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}
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friend bool operator!=(const PersistableBundle& lhs, const PersistableBundle& rhs) {
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return !(lhs == rhs);
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}
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private:
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status_t writeToParcelInner(Parcel* parcel) const;
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status_t readFromParcelInner(const Parcel* parcel, size_t length);
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std::map<String16, bool> mBoolMap;
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std::map<String16, int32_t> mIntMap;
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std::map<String16, int64_t> mLongMap;
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std::map<String16, double> mDoubleMap;
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std::map<String16, String16> mStringMap;
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std::map<String16, std::vector<bool>> mBoolVectorMap;
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std::map<String16, std::vector<int32_t>> mIntVectorMap;
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std::map<String16, std::vector<int64_t>> mLongVectorMap;
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std::map<String16, std::vector<double>> mDoubleVectorMap;
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std::map<String16, std::vector<String16>> mStringVectorMap;
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std::map<String16, PersistableBundle> mPersistableBundleMap;
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};
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} // namespace os
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} // namespace android
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#endif // ANDROID_PERSISTABLE_BUNDLE_H
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