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// Copyright 2020 The Cobalt Authors. All Rights Reserved.
//
// 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 STARBOARD_LOADER_APP_SLOT_MANAGEMENT_H_
#define STARBOARD_LOADER_APP_SLOT_MANAGEMENT_H_
#include <string>
namespace starboard {
namespace loader_app {
// Interface for loading a library.
class LibraryLoader {
public:
virtual ~LibraryLoader() {}
// Load the library with the provided full path to |library_path| and
// |content_path|.
virtual bool Load(const std::string& library_path,
const std::string& content_path) = 0;
// Resolve a symbol by name.
virtual void* Resolve(const std::string& symbol) = 0;
};
// Load the library for the app specified by |app_key| and manage the
// current slot selection by rolling forward or back based on the slot status.
// The actual loading from the slot is peformed by the |library_loader|.
// An alternative content can be used by specifying non-empty
// |alternative_content_path| with the full path to the content.
// Returns a pointer to the |SbEventHandle| symbol in the library.
void* LoadSlotManagedLibrary(const std::string& app_key,
const std::string& alternative_content_path,
LibraryLoader* library_loader);
} // namespace loader_app
} // namespace starboard
#endif // STARBOARD_LOADER_APP_SLOT_MANAGEMENT_H_