94 lines
2.1 KiB
C++
94 lines
2.1 KiB
C++
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#pragma once
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#include <libremidi/backends/android/config.hpp>
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#include <libremidi/backends/android/helpers.hpp>
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#include <libremidi/detail/observer.hpp>
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NAMESPACE_LIBREMIDI
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{
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namespace android
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{
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class observer final
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: public libremidi::observer_api
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, public error_handler
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{
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public:
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explicit observer(
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libremidi::observer_configuration&& conf, libremidi::android::observer_configuration aconf)
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: configuration{std::move(conf)}
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{
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if (!context::client_name.empty() && context::client_name != aconf.client_name)
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{
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LOGW("Android backend only supports one client name per process");
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}
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context::client_name = std::string(aconf.client_name);
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}
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~observer()
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{
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auto env = context::get_thread_env();
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if (env)
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{
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context::cleanup_devices(env);
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}
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}
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libremidi::API get_current_api() const noexcept override
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{
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return libremidi::API::ANDROID_AMIDI;
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}
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std::vector<libremidi::input_port> get_input_ports() const noexcept override
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{
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auto env = context::get_thread_env();
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if (!env)
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return {};
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auto ctx = context::get_context(env);
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if (!ctx)
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return {};
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context::refresh_midi_devices(env, ctx, false);
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std::vector<libremidi::input_port> ports;
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for (size_t i = 0; i < context::midi_devices.size(); ++i)
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{
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libremidi::input_port port;
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port.api = libremidi::API::ANDROID_AMIDI;
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port.port_name = context::port_name(env, i);
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port.port = i;
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ports.push_back(std::move(port));
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}
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return ports;
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}
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std::vector<libremidi::output_port> get_output_ports() const noexcept override
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{
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auto env = context::get_thread_env();
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if (!env)
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return {};
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auto ctx = context::get_context(env);
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if (!ctx)
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return {};
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context::refresh_midi_devices(env, ctx, true);
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std::vector<libremidi::output_port> ports;
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for (size_t i = 0; i < context::midi_devices.size(); ++i)
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{
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libremidi::output_port port;
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port.port_name = context::port_name(env, i);
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port.port = i;
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ports.push_back(std::move(port));
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}
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return ports;
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}
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private:
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libremidi::observer_configuration configuration;
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};
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}
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}
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