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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_MIDIPlatformRunnables_h
#define mozilla_dom_MIDIPlatformRunnables_h
#include "mozilla/dom/MIDITypes.h"
namespace mozilla::dom {
enum class MIDIPortConnectionState : uint8_t;
enum class MIDIPortDeviceState : uint8_t;
class MIDIPortParent;
class MIDIMessage;
class MIDIPortInfo;
/**
* Base class for runnables to be fired to the platform-specific MIDI service
* thread in PBackground.
*/
class MIDIBackgroundRunnable : public Runnable {
public:
MIDIBackgroundRunnable(const char* aName) : Runnable(aName) {}
virtual ~MIDIBackgroundRunnable() = default;
NS_IMETHOD Run() override;
virtual void RunInternal() = 0;
};
/**
* Runnable fired from platform-specific MIDI service thread to PBackground
* Thread whenever messages need to be sent to a MIDI device.
*
*/
class ReceiveRunnable final : public MIDIBackgroundRunnable {
public:
ReceiveRunnable(const nsAString& aPortId, const nsTArray<MIDIMessage>& aMsgs)
: MIDIBackgroundRunnable("ReceiveRunnable"),
mMsgs(aMsgs.Clone()),
mPortId(aPortId) {}
// Used in tests
ReceiveRunnable(const nsAString& aPortId, const MIDIMessage& aMsgs)
: MIDIBackgroundRunnable("ReceiveRunnable"), mPortId(aPortId) {
mMsgs.AppendElement(aMsgs);
}
~ReceiveRunnable() = default;
void RunInternal() override;
private:
nsTArray<MIDIMessage> mMsgs;
nsString mPortId;
};
/**
* Runnable fired from platform-specific MIDI service thread to PBackground
* Thread whenever a device is connected.
*
*/
class AddPortRunnable final : public MIDIBackgroundRunnable {
public:
explicit AddPortRunnable(const MIDIPortInfo& aPortInfo)
: MIDIBackgroundRunnable("AddPortRunnable"), mPortInfo(aPortInfo) {}
~AddPortRunnable() = default;
void RunInternal() override;
private:
MIDIPortInfo mPortInfo;
};
/**
* Runnable fired from platform-specific MIDI service thread to PBackground
* Thread whenever a device is disconnected.
*
*/
class RemovePortRunnable final : public MIDIBackgroundRunnable {
public:
explicit RemovePortRunnable(const MIDIPortInfo& aPortInfo)
: MIDIBackgroundRunnable("RemovePortRunnable"), mPortInfo(aPortInfo) {}
~RemovePortRunnable() = default;
void RunInternal() override;
private:
MIDIPortInfo mPortInfo;
};
/**
* Runnable used to delay calls to SendPortList, which is requires to make sure
* MIDIManager actor initialization happens correctly. Also used for testing.
*
*/
class SendPortListRunnable final : public MIDIBackgroundRunnable {
public:
SendPortListRunnable() : MIDIBackgroundRunnable("SendPortListRunnable") {}
~SendPortListRunnable() = default;
void RunInternal() override;
};
/**
* Runnable fired from platform-specific MIDI service thread to PBackground
* Thread whenever a device is disconnected.
*
*/
class SetStatusRunnable final : public MIDIBackgroundRunnable {
public:
SetStatusRunnable(MIDIPortParent* aPort, MIDIPortDeviceState aState,
MIDIPortConnectionState aConnection)
: MIDIBackgroundRunnable("SetStatusRunnable"),
mPort(aPort),
mState(aState),
mConnection(aConnection) {}
~SetStatusRunnable() = default;
void RunInternal() override;
private:
RefPtr<MIDIPortParent> mPort;
MIDIPortDeviceState mState;
MIDIPortConnectionState mConnection;
};
} // namespace mozilla::dom
#endif // mozilla_dom_MIDIPlatformRunnables_h
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