From 63522e8e280a1b76a96be6095e8f9d92882a45e7 Mon Sep 17 00:00:00 2001
From: Gabriele Svelto <gsvelto@mozilla.com>
Date: Mon, 11 Jun 2018 00:22:56 +0200
Subject: Remove unused code for managing physical audio devices.

This was only used in B2G/Gonk and can go.
---
 hal/sandbox/PHal.ipdl      | 13 ---------
 hal/sandbox/SandboxHal.cpp | 67 ----------------------------------------------
 2 files changed, 80 deletions(-)

(limited to 'hal/sandbox')

diff --git a/hal/sandbox/PHal.ipdl b/hal/sandbox/PHal.ipdl
index 37b69f93f..1af550aff 100644
--- a/hal/sandbox/PHal.ipdl
+++ b/hal/sandbox/PHal.ipdl
@@ -13,8 +13,6 @@ using mozilla::dom::ScreenOrientationInternal from "mozilla/dom/ScreenOrientatio
 using mozilla::hal::SensorType from "mozilla/HalSensor.h";
 using mozilla::hal::SensorAccuracyType from "mozilla/HalSensor.h";
 using mozilla::hal::WakeLockControl from "mozilla/HalTypes.h";
-using mozilla::hal::SwitchState from "mozilla/HalTypes.h";
-using mozilla::hal::SwitchDevice from "mozilla/HalTypes.h";
 using mozilla::hal::ProcessPriority from "mozilla/HalTypes.h";
 using nsIntRect from "nsRect.h";
 using PRTime from "prtime.h";
@@ -41,11 +39,6 @@ struct NetworkInformation {
   uint32_t dhcpGateway;
 };
 
-struct SwitchEvent {
-  SwitchDevice device;
-  SwitchState status;
-};
-
 struct WakeLockInformation {
   nsString topic;
   uint32_t numLocks;
@@ -80,7 +73,6 @@ child:
     async NotifyNetworkChange(NetworkInformation aNetworkInfo);
     async NotifyWakeLockChange(WakeLockInformation aWakeLockInfo);
     async NotifyScreenConfigurationChange(ScreenConfiguration aScreenOrientation);
-    async NotifySwitchChange(SwitchEvent aEvent);
     async NotifySystemClockChange(int64_t aClockDeltaMS); 
     async NotifySystemTimezoneChange(SystemTimezoneChangeInformation aSystemTimezoneChangeInfo); 
 
@@ -138,11 +130,6 @@ parent:
       returns (bool allowed);
     async UnlockScreenOrientation();
  
-    async EnableSwitchNotifications(SwitchDevice aDevice);
-    async DisableSwitchNotifications(SwitchDevice aDevice);
-    sync GetCurrentSwitchState(SwitchDevice aDevice)
-      returns (SwitchState aState);
-
     async FactoryReset(nsString aReason);
 
 child:
diff --git a/hal/sandbox/SandboxHal.cpp b/hal/sandbox/SandboxHal.cpp
index d33a53a2f..9771b3ef6 100644
--- a/hal/sandbox/SandboxHal.cpp
+++ b/hal/sandbox/SandboxHal.cpp
@@ -300,34 +300,6 @@ GetWakeLockInfo(const nsAString &aTopic, WakeLockInformation *aWakeLockInfo)
   Hal()->SendGetWakeLockInfo(nsString(aTopic), aWakeLockInfo);
 }
 
-void
-EnableSwitchNotifications(SwitchDevice aDevice)
-{
-  Hal()->SendEnableSwitchNotifications(aDevice);
-}
-
-void
-DisableSwitchNotifications(SwitchDevice aDevice)
-{
-  Hal()->SendDisableSwitchNotifications(aDevice);
-}
-
-SwitchState
-GetCurrentSwitchState(SwitchDevice aDevice)
-{
-  SwitchState state;
-  Hal()->SendGetCurrentSwitchState(aDevice, &state);
-  return state;
-}
-
-void
-NotifySwitchStateFromInputDevice(SwitchDevice aDevice, SwitchState aState)
-{
-  Unused << aDevice;
-  Unused << aState;
-  NS_RUNTIMEABORT("Only the main process may notify switch state change.");
-}
-
 bool
 EnableAlarm()
 {
@@ -420,7 +392,6 @@ class HalParent : public PHalParent
                 , public ISensorObserver
                 , public WakeLockObserver
                 , public ScreenConfigurationObserver
-                , public SwitchObserver
                 , public SystemClockChangeObserver
                 , public SystemTimezoneChangeObserver
 {
@@ -440,10 +411,6 @@ public:
     hal::UnregisterWakeLockObserver(this);
     hal::UnregisterSystemClockChangeObserver(this);
     hal::UnregisterSystemTimezoneChangeObserver(this);
-    for (int32_t switchDevice = SWITCH_DEVICE_UNKNOWN + 1;
-         switchDevice < NUM_SWITCH_DEVICE; ++switchDevice) {
-      hal::UnregisterSwitchObserver(SwitchDevice(switchDevice), this);
-    }
   }
 
   virtual bool
@@ -771,34 +738,6 @@ public:
     Unused << SendNotifyWakeLockChange(aWakeLockInfo);
   }
 
-  virtual bool
-  RecvEnableSwitchNotifications(const SwitchDevice& aDevice) override
-  {
-    // Content has no reason to listen to switch events currently.
-    hal::RegisterSwitchObserver(aDevice, this);
-    return true;
-  }
-
-  virtual bool
-  RecvDisableSwitchNotifications(const SwitchDevice& aDevice) override
-  {
-    hal::UnregisterSwitchObserver(aDevice, this);
-    return true;
-  }
-
-  void Notify(const SwitchEvent& aSwitchEvent) override
-  {
-    Unused << SendNotifySwitchChange(aSwitchEvent);
-  }
-
-  virtual bool
-  RecvGetCurrentSwitchState(const SwitchDevice& aDevice, hal::SwitchState *aState) override
-  {
-    // Content has no reason to listen to switch events currently.
-    *aState = hal::GetCurrentSwitchState(aDevice);
-    return true;
-  }
-
   void Notify(const int64_t& aClockDeltaMS) override
   {
     Unused << SendNotifySystemClockChange(aClockDeltaMS);
@@ -868,12 +807,6 @@ public:
     return true;
   }
 
-  virtual bool
-  RecvNotifySwitchChange(const mozilla::hal::SwitchEvent& aEvent) override {
-    hal::NotifySwitchChange(aEvent);
-    return true;
-  }
-
   virtual bool
   RecvNotifySystemClockChange(const int64_t& aClockDeltaMS) override {
     hal::NotifySystemClockChange(aClockDeltaMS);
-- 
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