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Diffstat (limited to 'cmds/bootanimation/iot/BootParameters.h')
-rw-r--r-- | cmds/bootanimation/iot/BootParameters.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/cmds/bootanimation/iot/BootParameters.h b/cmds/bootanimation/iot/BootParameters.h new file mode 100644 index 000000000000..c10bd44bc2ca --- /dev/null +++ b/cmds/bootanimation/iot/BootParameters.h @@ -0,0 +1,73 @@ +/* + * Copyright (C) 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 _BOOTANIMATION_BOOT_PARAMETERS_H_ +#define _BOOTANIMATION_BOOT_PARAMETERS_H_ + +#include <list> +#include <vector> + +#include <base/json/json_value_converter.h> +#include <boot_action/boot_action.h> // libandroidthings native API. + +namespace android { + +// Provides access to the parameters set by DeviceManager.reboot(). +class BootParameters { +public: + // Constructor loads the parameters for this boot and swaps the param files + // to clear the parameters for next boot. + BootParameters(); + + // Returns true if volume/brightness were explicitly set on reboot. + bool hasVolume() const { return mVolume >= 0; } + bool hasBrightness() const { return mBrightness >= 0; } + + // Returns volume/brightness in [0,1], or -1 if unset. + float getVolume() const { return mVolume; } + float getBrightness() const { return mBrightness; } + + // Returns the additional boot parameters that were set on reboot. + const std::vector<ABootActionParameter>& getParameters() const { return mParameters; } + +private: + // Raw boot saved_parameters loaded from .json. + struct SavedBootParameters { + int brightness; + int volume; + std::vector<std::unique_ptr<std::string>> param_names; + std::vector<std::unique_ptr<std::string>> param_values; + + SavedBootParameters(); + static void RegisterJSONConverter( + ::base::JSONValueConverter<SavedBootParameters>* converter); + }; + + void loadParameters(); + + float mVolume = -1.f; + float mBrightness = -1.f; + std::vector<ABootActionParameter> mParameters; + + // ABootActionParameter is just a raw pointer so we need to keep the + // original strings around to avoid losing them. + SavedBootParameters mRawParameters; +}; + +} // namespace android + + +#endif // _BOOTANIMATION_BOOT_PARAMETERS_H_ |