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