gecko-dev/dom/bluetooth/bluedroid/BluetoothDaemonAvrcpInterface.cpp
Thomas Zimmermann 9f1dbfbb3b Bug 1132229: Handle I/O errors in Bluetooth's daemon backend, r=shuang
This patch adds error handling to all interface methods of Bluedroid's
daemon backend. If an error occures while sending a command to the daemon,
the methods dispatch an error.
2015-02-26 09:52:45 +01:00

1111 lines
29 KiB
C++

/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* 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/. */
#include "BluetoothDaemonAvrcpInterface.h"
#include "BluetoothDaemonSetupInterface.h"
#include "mozilla/unused.h"
BEGIN_BLUETOOTH_NAMESPACE
//
// AVRCP module
//
const int BluetoothDaemonAvrcpModule::MAX_NUM_CLIENTS = 1;
BluetoothAvrcpNotificationHandler*
BluetoothDaemonAvrcpModule::sNotificationHandler;
void
BluetoothDaemonAvrcpModule::SetNotificationHandler(
BluetoothAvrcpNotificationHandler* aNotificationHandler)
{
sNotificationHandler = aNotificationHandler;
}
nsresult
BluetoothDaemonAvrcpModule::Send(BluetoothDaemonPDU* aPDU,
BluetoothAvrcpResultHandler* aRes)
{
if (aRes) {
aRes->AddRef(); // Keep reference for response
}
return Send(aPDU, static_cast<void*>(aRes));
}
void
BluetoothDaemonAvrcpModule::HandleSvc(const BluetoothDaemonPDUHeader& aHeader,
BluetoothDaemonPDU& aPDU, void* aUserData)
{
static void (BluetoothDaemonAvrcpModule::* const HandleOp[])(
const BluetoothDaemonPDUHeader&, BluetoothDaemonPDU&, void*) = {
INIT_ARRAY_AT(0, &BluetoothDaemonAvrcpModule::HandleRsp),
INIT_ARRAY_AT(1, &BluetoothDaemonAvrcpModule::HandleNtf),
};
MOZ_ASSERT(!NS_IsMainThread());
unsigned int isNtf = !!(aHeader.mOpcode & 0x80);
(this->*(HandleOp[isNtf]))(aHeader, aPDU, aUserData);
}
// Commands
//
nsresult
BluetoothDaemonAvrcpModule::GetPlayStatusRspCmd(
ControlPlayStatus aPlayStatus, uint32_t aSongLen, uint32_t aSongPos,
BluetoothAvrcpResultHandler* aRes)
{
MOZ_ASSERT(NS_IsMainThread());
nsAutoPtr<BluetoothDaemonPDU> pdu(
new BluetoothDaemonPDU(SERVICE_ID, OPCODE_GET_PLAY_STATUS_RSP,
1 + // Play status
4 + // Duration
4)); // Position
nsresult rv = PackPDU(aPlayStatus, aSongLen, aSongPos, *pdu);
if (NS_FAILED(rv)) {
return rv;
}
rv = Send(pdu, aRes);
if (NS_FAILED(rv)) {
return rv;
}
unused << pdu.forget();
return NS_OK;
}
nsresult
BluetoothDaemonAvrcpModule::ListPlayerAppAttrRspCmd(
int aNumAttr, const BluetoothAvrcpPlayerAttribute* aPAttrs,
BluetoothAvrcpResultHandler* aRes)
{
MOZ_ASSERT(NS_IsMainThread());
nsAutoPtr<BluetoothDaemonPDU> pdu(
new BluetoothDaemonPDU(SERVICE_ID, OPCODE_LIST_PLAYER_APP_ATTR_RSP,
1 + // # Attributes
aNumAttr)); // Player attributes
nsresult rv = PackPDU(
PackConversion<int, uint8_t>(aNumAttr),
PackArray<BluetoothAvrcpPlayerAttribute>(aPAttrs, aNumAttr), *pdu);
if (NS_FAILED(rv)) {
return rv;
}
rv = Send(pdu, aRes);
if (NS_FAILED(rv)) {
return rv;
}
unused << pdu.forget();
return NS_OK;
}
nsresult
BluetoothDaemonAvrcpModule::ListPlayerAppValueRspCmd(
int aNumVal, uint8_t* aPVals, BluetoothAvrcpResultHandler* aRes)
{
MOZ_ASSERT(NS_IsMainThread());
nsAutoPtr<BluetoothDaemonPDU> pdu(
new BluetoothDaemonPDU(SERVICE_ID, OPCODE_LIST_PLAYER_APP_VALUE_RSP,
1 + // # Values
aNumVal)); // Player values
nsresult rv = PackPDU(PackConversion<int, uint8_t>(aNumVal),
PackArray<uint8_t>(aPVals, aNumVal), *pdu);
if (NS_FAILED(rv)) {
return rv;
}
rv = Send(pdu, aRes);
if (NS_FAILED(rv)) {
return rv;
}
unused << pdu.forget();
return NS_OK;
}
nsresult
BluetoothDaemonAvrcpModule::GetPlayerAppValueRspCmd(
uint8_t aNumAttrs, const uint8_t* aIds, const uint8_t* aValues,
BluetoothAvrcpResultHandler* aRes)
{
MOZ_ASSERT(NS_IsMainThread());
nsAutoPtr<BluetoothDaemonPDU> pdu(
new BluetoothDaemonPDU(SERVICE_ID, OPCODE_GET_PLAYER_APP_VALUE_RSP,
1 + // # Pairs
2 * aNumAttrs)); // Attribute-value pairs
nsresult rv = PackPDU(
aNumAttrs,
BluetoothAvrcpAttributeValuePairs(aIds, aValues, aNumAttrs), *pdu);
if (NS_FAILED(rv)) {
return rv;
}
rv = Send(pdu, aRes);
if (NS_FAILED(rv)) {
return rv;
}
unused << pdu.forget();
return NS_OK;
}
nsresult
BluetoothDaemonAvrcpModule::GetPlayerAppAttrTextRspCmd(
int aNumAttr, const uint8_t* aIds, const char** aTexts,
BluetoothAvrcpResultHandler* aRes)
{
MOZ_ASSERT(NS_IsMainThread());
nsAutoPtr<BluetoothDaemonPDU> pdu(
new BluetoothDaemonPDU(SERVICE_ID, OPCODE_GET_PLAYER_APP_ATTR_TEXT_RSP,
0)); // Dynamically allocated
nsresult rv = PackPDU(
PackConversion<int, uint8_t>(aNumAttr),
BluetoothAvrcpAttributeTextPairs(aIds, aTexts, aNumAttr), *pdu);
if (NS_FAILED(rv)) {
return rv;
}
rv = Send(pdu, aRes);
if (NS_FAILED(rv)) {
return rv;
}
unused << pdu.forget();
return NS_OK;
}
nsresult
BluetoothDaemonAvrcpModule::GetPlayerAppValueTextRspCmd(
int aNumVal, const uint8_t* aIds, const char** aTexts,
BluetoothAvrcpResultHandler* aRes)
{
MOZ_ASSERT(NS_IsMainThread());
nsAutoPtr<BluetoothDaemonPDU> pdu(
new BluetoothDaemonPDU(SERVICE_ID, OPCODE_GET_PLAYER_APP_VALUE_TEXT_RSP,
0)); // Dynamically allocated
nsresult rv = PackPDU(
PackConversion<int, uint8_t>(aNumVal),
BluetoothAvrcpAttributeTextPairs(aIds, aTexts, aNumVal), *pdu);
if (NS_FAILED(rv)) {
return rv;
}
rv = Send(pdu, aRes);
if (NS_FAILED(rv)) {
return rv;
}
unused << pdu.forget();
return NS_OK;
}
nsresult
BluetoothDaemonAvrcpModule::GetElementAttrRspCmd(
uint8_t aNumAttr, const BluetoothAvrcpElementAttribute* aAttr,
BluetoothAvrcpResultHandler* aRes)
{
MOZ_ASSERT(NS_IsMainThread());
nsAutoPtr<BluetoothDaemonPDU> pdu(
new BluetoothDaemonPDU(SERVICE_ID, OPCODE_GET_ELEMENT_ATTR_RSP,
0)); // Dynamically allocated
nsresult rv = PackPDU(
aNumAttr,
PackArray<BluetoothAvrcpElementAttribute>(aAttr, aNumAttr), *pdu);
if (NS_FAILED(rv)) {
return rv;
}
rv = Send(pdu, aRes);
if (NS_FAILED(rv)) {
return rv;
}
unused << pdu.forget();
return NS_OK;
}
nsresult
BluetoothDaemonAvrcpModule::SetPlayerAppValueRspCmd(
BluetoothAvrcpStatus aRspStatus, BluetoothAvrcpResultHandler* aRes)
{
MOZ_ASSERT(NS_IsMainThread());
nsAutoPtr<BluetoothDaemonPDU> pdu(
new BluetoothDaemonPDU(SERVICE_ID, OPCODE_SET_PLAYER_APP_VALUE_RSP,
1)); // Status code
nsresult rv = PackPDU(aRspStatus, *pdu);
if (NS_FAILED(rv)) {
return rv;
}
rv = Send(pdu, aRes);
if (NS_FAILED(rv)) {
return rv;
}
unused << pdu.forget();
return NS_OK;
}
nsresult
BluetoothDaemonAvrcpModule::RegisterNotificationRspCmd(
BluetoothAvrcpEvent aEvent, BluetoothAvrcpNotification aType,
const BluetoothAvrcpNotificationParam& aParam,
BluetoothAvrcpResultHandler* aRes)
{
MOZ_ASSERT(NS_IsMainThread());
nsAutoPtr<BluetoothDaemonPDU> pdu(
new BluetoothDaemonPDU(SERVICE_ID, OPCODE_REGISTER_NOTIFICATION_RSP,
1 + // Event
1 + // Type
1 + // Data length
256)); // Maximum data length
nsresult rv = PackPDU(aEvent, aType,
BluetoothAvrcpEventParamPair(aEvent, aParam), *pdu);
if (NS_FAILED(rv)) {
return rv;
}
rv = Send(pdu, aRes);
if (NS_FAILED(rv)) {
return rv;
}
unused << pdu.forget();
return NS_OK;
}
nsresult
BluetoothDaemonAvrcpModule::SetVolumeCmd(uint8_t aVolume,
BluetoothAvrcpResultHandler* aRes)
{
MOZ_ASSERT(NS_IsMainThread());
nsAutoPtr<BluetoothDaemonPDU> pdu(
new BluetoothDaemonPDU(SERVICE_ID, OPCODE_SET_VOLUME,
1)); // Volume
nsresult rv = PackPDU(aVolume, *pdu);
if (NS_FAILED(rv)) {
return rv;
}
rv = Send(pdu, aRes);
if (NS_FAILED(rv)) {
return rv;
}
unused << pdu.forget();
return NS_OK;
}
// Responses
//
void
BluetoothDaemonAvrcpModule::ErrorRsp(
const BluetoothDaemonPDUHeader& aHeader,
BluetoothDaemonPDU& aPDU, BluetoothAvrcpResultHandler* aRes)
{
ErrorRunnable::Dispatch(
aRes, &BluetoothAvrcpResultHandler::OnError, UnpackPDUInitOp(aPDU));
}
void
BluetoothDaemonAvrcpModule::GetPlayStatusRspRsp(
const BluetoothDaemonPDUHeader& aHeader,
BluetoothDaemonPDU& aPDU, BluetoothAvrcpResultHandler* aRes)
{
ResultRunnable::Dispatch(
aRes, &BluetoothAvrcpResultHandler::GetPlayStatusRsp,
UnpackPDUInitOp(aPDU));
}
void
BluetoothDaemonAvrcpModule::ListPlayerAppAttrRspRsp(
const BluetoothDaemonPDUHeader& aHeader,
BluetoothDaemonPDU& aPDU, BluetoothAvrcpResultHandler* aRes)
{
ResultRunnable::Dispatch(
aRes, &BluetoothAvrcpResultHandler::ListPlayerAppAttrRsp,
UnpackPDUInitOp(aPDU));
}
void
BluetoothDaemonAvrcpModule::ListPlayerAppValueRspRsp(
const BluetoothDaemonPDUHeader& aHeader,
BluetoothDaemonPDU& aPDU, BluetoothAvrcpResultHandler* aRes)
{
ResultRunnable::Dispatch(
aRes, &BluetoothAvrcpResultHandler::ListPlayerAppValueRsp,
UnpackPDUInitOp(aPDU));
}
void
BluetoothDaemonAvrcpModule::GetPlayerAppValueRspRsp(
const BluetoothDaemonPDUHeader& aHeader,
BluetoothDaemonPDU& aPDU, BluetoothAvrcpResultHandler* aRes)
{
ResultRunnable::Dispatch(
aRes, &BluetoothAvrcpResultHandler::GetPlayerAppValueRsp,
UnpackPDUInitOp(aPDU));
}
void
BluetoothDaemonAvrcpModule::GetPlayerAppAttrTextRspRsp(
const BluetoothDaemonPDUHeader& aHeader,
BluetoothDaemonPDU& aPDU, BluetoothAvrcpResultHandler* aRes)
{
ResultRunnable::Dispatch(
aRes, &BluetoothAvrcpResultHandler::GetPlayerAppAttrTextRsp,
UnpackPDUInitOp(aPDU));
}
void
BluetoothDaemonAvrcpModule::GetPlayerAppValueTextRspRsp(
const BluetoothDaemonPDUHeader& aHeader,
BluetoothDaemonPDU& aPDU, BluetoothAvrcpResultHandler* aRes)
{
ResultRunnable::Dispatch(
aRes, &BluetoothAvrcpResultHandler::GetPlayerAppValueTextRsp,
UnpackPDUInitOp(aPDU));
}
void
BluetoothDaemonAvrcpModule::GetElementAttrRspRsp(
const BluetoothDaemonPDUHeader& aHeader,
BluetoothDaemonPDU& aPDU, BluetoothAvrcpResultHandler* aRes)
{
ResultRunnable::Dispatch(
aRes, &BluetoothAvrcpResultHandler::GetElementAttrRsp,
UnpackPDUInitOp(aPDU));
}
void
BluetoothDaemonAvrcpModule::SetPlayerAppValueRspRsp(
const BluetoothDaemonPDUHeader& aHeader,
BluetoothDaemonPDU& aPDU, BluetoothAvrcpResultHandler* aRes)
{
ResultRunnable::Dispatch(
aRes, &BluetoothAvrcpResultHandler::SetPlayerAppValueRsp,
UnpackPDUInitOp(aPDU));
}
void
BluetoothDaemonAvrcpModule::RegisterNotificationRspRsp(
const BluetoothDaemonPDUHeader& aHeader,
BluetoothDaemonPDU& aPDU, BluetoothAvrcpResultHandler* aRes)
{
ResultRunnable::Dispatch(
aRes, &BluetoothAvrcpResultHandler::RegisterNotificationRsp,
UnpackPDUInitOp(aPDU));
}
void
BluetoothDaemonAvrcpModule::SetVolumeRsp(
const BluetoothDaemonPDUHeader& aHeader,
BluetoothDaemonPDU& aPDU, BluetoothAvrcpResultHandler* aRes)
{
ResultRunnable::Dispatch(
aRes, &BluetoothAvrcpResultHandler::SetVolume,
UnpackPDUInitOp(aPDU));
}
void
BluetoothDaemonAvrcpModule::HandleRsp(
const BluetoothDaemonPDUHeader& aHeader, BluetoothDaemonPDU& aPDU,
void* aUserData)
{
static void (BluetoothDaemonAvrcpModule::* const HandleRsp[])(
const BluetoothDaemonPDUHeader&,
BluetoothDaemonPDU&,
BluetoothAvrcpResultHandler*) = {
INIT_ARRAY_AT(OPCODE_ERROR,
&BluetoothDaemonAvrcpModule::ErrorRsp),
INIT_ARRAY_AT(OPCODE_GET_PLAY_STATUS_RSP,
&BluetoothDaemonAvrcpModule::GetPlayStatusRspRsp),
INIT_ARRAY_AT(OPCODE_LIST_PLAYER_APP_ATTR_RSP,
&BluetoothDaemonAvrcpModule::ListPlayerAppAttrRspRsp),
INIT_ARRAY_AT(OPCODE_LIST_PLAYER_APP_VALUE_RSP,
&BluetoothDaemonAvrcpModule::ListPlayerAppValueRspRsp),
INIT_ARRAY_AT(OPCODE_GET_PLAYER_APP_VALUE_RSP,
&BluetoothDaemonAvrcpModule::GetPlayerAppValueRspRsp),
INIT_ARRAY_AT(OPCODE_GET_PLAYER_APP_ATTR_TEXT_RSP,
&BluetoothDaemonAvrcpModule::GetPlayerAppAttrTextRspRsp),
INIT_ARRAY_AT(OPCODE_GET_PLAYER_APP_VALUE_TEXT_RSP,
&BluetoothDaemonAvrcpModule::GetPlayerAppValueTextRspRsp),
INIT_ARRAY_AT(OPCODE_GET_ELEMENT_ATTR_RSP,
&BluetoothDaemonAvrcpModule::GetElementAttrRspRsp),
INIT_ARRAY_AT(OPCODE_SET_PLAYER_APP_VALUE_RSP,
&BluetoothDaemonAvrcpModule::SetPlayerAppValueRspRsp),
INIT_ARRAY_AT(OPCODE_REGISTER_NOTIFICATION_RSP,
&BluetoothDaemonAvrcpModule::RegisterNotificationRspRsp),
INIT_ARRAY_AT(OPCODE_SET_VOLUME,
&BluetoothDaemonAvrcpModule::SetVolumeRsp)
};
MOZ_ASSERT(!NS_IsMainThread()); // I/O thread
if (NS_WARN_IF(!(aHeader.mOpcode < MOZ_ARRAY_LENGTH(HandleRsp))) ||
NS_WARN_IF(!HandleRsp[aHeader.mOpcode])) {
return;
}
nsRefPtr<BluetoothAvrcpResultHandler> res =
already_AddRefed<BluetoothAvrcpResultHandler>(
static_cast<BluetoothAvrcpResultHandler*>(aUserData));
if (!res) {
return; // Return early if no result handler has been set for response
}
(this->*(HandleRsp[aHeader.mOpcode]))(aHeader, aPDU, res);
}
// Notifications
//
// Returns the current notification handler to a notification runnable
class BluetoothDaemonAvrcpModule::NotificationHandlerWrapper MOZ_FINAL
{
public:
typedef BluetoothAvrcpNotificationHandler ObjectType;
static ObjectType* GetInstance()
{
MOZ_ASSERT(NS_IsMainThread());
return sNotificationHandler;
}
};
// Init operator class for RemoteFeatureNotification
class BluetoothDaemonAvrcpModule::RemoteFeatureInitOp MOZ_FINAL
: private PDUInitOp
{
public:
RemoteFeatureInitOp(BluetoothDaemonPDU& aPDU)
: PDUInitOp(aPDU)
{ }
nsresult
operator () (nsString& aArg1, unsigned long& aArg2) const
{
BluetoothDaemonPDU& pdu = GetPDU();
/* Read address */
nsresult rv = UnpackPDU(
pdu, UnpackConversion<BluetoothAddress, nsAString>(aArg1));
if (NS_FAILED(rv)) {
return rv;
}
/* Read feature */
rv = UnpackPDU(
pdu,
UnpackConversion<BluetoothAvrcpRemoteFeature, unsigned long>(aArg2));
if (NS_FAILED(rv)) {
return rv;
}
WarnAboutTrailingData();
return NS_OK;
}
};
void
BluetoothDaemonAvrcpModule::RemoteFeatureNtf(
const BluetoothDaemonPDUHeader& aHeader, BluetoothDaemonPDU& aPDU)
{
RemoteFeatureNotification::Dispatch(
&BluetoothAvrcpNotificationHandler::RemoteFeatureNotification,
RemoteFeatureInitOp(aPDU));
}
void
BluetoothDaemonAvrcpModule::GetPlayStatusNtf(
const BluetoothDaemonPDUHeader& aHeader, BluetoothDaemonPDU& aPDU)
{
GetPlayStatusNotification::Dispatch(
&BluetoothAvrcpNotificationHandler::GetPlayStatusNotification,
UnpackPDUInitOp(aPDU));
}
void
BluetoothDaemonAvrcpModule::ListPlayerAppAttrNtf(
const BluetoothDaemonPDUHeader& aHeader, BluetoothDaemonPDU& aPDU)
{
ListPlayerAppAttrNotification::Dispatch(
&BluetoothAvrcpNotificationHandler::ListPlayerAppAttrNotification,
UnpackPDUInitOp(aPDU));
}
void
BluetoothDaemonAvrcpModule::ListPlayerAppValuesNtf(
const BluetoothDaemonPDUHeader& aHeader, BluetoothDaemonPDU& aPDU)
{
ListPlayerAppValuesNotification::Dispatch(
&BluetoothAvrcpNotificationHandler::ListPlayerAppValuesNotification,
UnpackPDUInitOp(aPDU));
}
// Init operator class for GetPlayerAppValueNotification
class BluetoothDaemonAvrcpModule::GetPlayerAppValueInitOp MOZ_FINAL
: private PDUInitOp
{
public:
GetPlayerAppValueInitOp(BluetoothDaemonPDU& aPDU)
: PDUInitOp(aPDU)
{ }
nsresult
operator () (uint8_t& aArg1,
nsAutoArrayPtr<BluetoothAvrcpPlayerAttribute>& aArg2) const
{
BluetoothDaemonPDU& pdu = GetPDU();
/* Read number of attributes */
nsresult rv = UnpackPDU(pdu, aArg1);
if (NS_FAILED(rv)) {
return rv;
}
/* Read attributes */
rv = UnpackPDU(
pdu, UnpackArray<BluetoothAvrcpPlayerAttribute>(aArg2, aArg1));
if (NS_FAILED(rv)) {
return rv;
}
WarnAboutTrailingData();
return NS_OK;
}
};
void
BluetoothDaemonAvrcpModule::GetPlayerAppValueNtf(
const BluetoothDaemonPDUHeader& aHeader, BluetoothDaemonPDU& aPDU)
{
GetPlayerAppValueNotification::Dispatch(
&BluetoothAvrcpNotificationHandler::GetPlayerAppValueNotification,
GetPlayerAppValueInitOp(aPDU));
}
// Init operator class for GetPlayerAppAttrsTextNotification
class BluetoothDaemonAvrcpModule::GetPlayerAppAttrsTextInitOp MOZ_FINAL
: private PDUInitOp
{
public:
GetPlayerAppAttrsTextInitOp(BluetoothDaemonPDU& aPDU)
: PDUInitOp(aPDU)
{ }
nsresult
operator () (uint8_t& aArg1,
nsAutoArrayPtr<BluetoothAvrcpPlayerAttribute>& aArg2) const
{
BluetoothDaemonPDU& pdu = GetPDU();
/* Read number of attributes */
nsresult rv = UnpackPDU(pdu, aArg1);
if (NS_FAILED(rv)) {
return rv;
}
/* Read attributes */
rv = UnpackPDU(
pdu, UnpackArray<BluetoothAvrcpPlayerAttribute>(aArg2, aArg1));
if (NS_FAILED(rv)) {
return rv;
}
WarnAboutTrailingData();
return NS_OK;
}
};
void
BluetoothDaemonAvrcpModule::GetPlayerAppAttrsTextNtf(
const BluetoothDaemonPDUHeader& aHeader, BluetoothDaemonPDU& aPDU)
{
GetPlayerAppAttrsTextNotification::Dispatch(
&BluetoothAvrcpNotificationHandler::GetPlayerAppAttrsTextNotification,
GetPlayerAppAttrsTextInitOp(aPDU));
}
// Init operator class for GetPlayerAppValuesTextNotification
class BluetoothDaemonAvrcpModule::GetPlayerAppValuesTextInitOp MOZ_FINAL
: private PDUInitOp
{
public:
GetPlayerAppValuesTextInitOp(BluetoothDaemonPDU& aPDU)
: PDUInitOp(aPDU)
{ }
nsresult
operator () (uint8_t& aArg1, uint8_t& aArg2,
nsAutoArrayPtr<uint8_t>& aArg3) const
{
BluetoothDaemonPDU& pdu = GetPDU();
/* Read attribute */
nsresult rv = UnpackPDU(pdu, aArg1);
if (NS_FAILED(rv)) {
return rv;
}
/* Read number of values */
rv = UnpackPDU(pdu, aArg2);
if (NS_FAILED(rv)) {
return rv;
}
/* Read values */
rv = UnpackPDU(pdu, UnpackArray<uint8_t>(aArg3, aArg2));
if (NS_FAILED(rv)) {
return rv;
}
WarnAboutTrailingData();
return NS_OK;
}
};
void
BluetoothDaemonAvrcpModule::GetPlayerAppValuesTextNtf(
const BluetoothDaemonPDUHeader& aHeader, BluetoothDaemonPDU& aPDU)
{
GetPlayerAppValuesTextNotification::Dispatch(
&BluetoothAvrcpNotificationHandler::GetPlayerAppValuesTextNotification,
GetPlayerAppValuesTextInitOp(aPDU));
}
void
BluetoothDaemonAvrcpModule::SetPlayerAppValueNtf(
const BluetoothDaemonPDUHeader& aHeader, BluetoothDaemonPDU& aPDU)
{
SetPlayerAppValueNotification::Dispatch(
&BluetoothAvrcpNotificationHandler::SetPlayerAppValueNotification,
UnpackPDUInitOp(aPDU));
}
// Init operator class for GetElementAttrNotification
class BluetoothDaemonAvrcpModule::GetElementAttrInitOp MOZ_FINAL
: private PDUInitOp
{
public:
GetElementAttrInitOp(BluetoothDaemonPDU& aPDU)
: PDUInitOp(aPDU)
{ }
nsresult
operator () (uint8_t& aArg1,
nsAutoArrayPtr<BluetoothAvrcpMediaAttribute>& aArg2) const
{
BluetoothDaemonPDU& pdu = GetPDU();
/* Read number of attributes */
nsresult rv = UnpackPDU(pdu, aArg1);
if (NS_FAILED(rv)) {
return rv;
}
/* Read attributes */
rv = UnpackPDU(
pdu, UnpackArray<BluetoothAvrcpMediaAttribute>(aArg2, aArg1));
if (NS_FAILED(rv)) {
return rv;
}
WarnAboutTrailingData();
return NS_OK;
}
};
void
BluetoothDaemonAvrcpModule::GetElementAttrNtf(
const BluetoothDaemonPDUHeader& aHeader, BluetoothDaemonPDU& aPDU)
{
GetElementAttrNotification::Dispatch(
&BluetoothAvrcpNotificationHandler::GetElementAttrNotification,
GetElementAttrInitOp(aPDU));
}
void
BluetoothDaemonAvrcpModule::RegisterNotificationNtf(
const BluetoothDaemonPDUHeader& aHeader, BluetoothDaemonPDU& aPDU)
{
RegisterNotificationNotification::Dispatch(
&BluetoothAvrcpNotificationHandler::RegisterNotificationNotification,
UnpackPDUInitOp(aPDU));
}
#if ANDROID_VERSION >= 19
void
BluetoothDaemonAvrcpModule::VolumeChangeNtf(
const BluetoothDaemonPDUHeader& aHeader, BluetoothDaemonPDU& aPDU)
{
VolumeChangeNotification::Dispatch(
&BluetoothAvrcpNotificationHandler::VolumeChangeNotification,
UnpackPDUInitOp(aPDU));
}
// Init operator class for PassthroughCmdNotification
class BluetoothDaemonAvrcpModule::PassthroughCmdInitOp MOZ_FINAL
: private PDUInitOp
{
public:
PassthroughCmdInitOp(BluetoothDaemonPDU& aPDU)
: PDUInitOp(aPDU)
{ }
nsresult
operator () (int& aArg1, int& aArg2) const
{
BluetoothDaemonPDU& pdu = GetPDU();
nsresult rv = UnpackPDU(pdu, UnpackConversion<uint8_t, int>(aArg1));
if (NS_FAILED(rv)) {
return rv;
}
rv = UnpackPDU(pdu, UnpackConversion<uint8_t, int>(aArg2));
if (NS_FAILED(rv)) {
return rv;
}
WarnAboutTrailingData();
return NS_OK;
}
};
void
BluetoothDaemonAvrcpModule::PassthroughCmdNtf(
const BluetoothDaemonPDUHeader& aHeader, BluetoothDaemonPDU& aPDU)
{
PassthroughCmdNotification::Dispatch(
&BluetoothAvrcpNotificationHandler::PassthroughCmdNotification,
PassthroughCmdInitOp(aPDU));
}
#endif
void
BluetoothDaemonAvrcpModule::HandleNtf(
const BluetoothDaemonPDUHeader& aHeader, BluetoothDaemonPDU& aPDU,
void* aUserData)
{
static void (BluetoothDaemonAvrcpModule::* const HandleNtf[])(
const BluetoothDaemonPDUHeader&, BluetoothDaemonPDU&) = {
#if ANDROID_VERSION >= 19
INIT_ARRAY_AT(0, &BluetoothDaemonAvrcpModule::RemoteFeatureNtf),
INIT_ARRAY_AT(1, &BluetoothDaemonAvrcpModule::GetPlayStatusNtf),
INIT_ARRAY_AT(2, &BluetoothDaemonAvrcpModule::ListPlayerAppAttrNtf),
INIT_ARRAY_AT(3, &BluetoothDaemonAvrcpModule::ListPlayerAppValuesNtf),
INIT_ARRAY_AT(4, &BluetoothDaemonAvrcpModule::GetPlayerAppValueNtf),
INIT_ARRAY_AT(5, &BluetoothDaemonAvrcpModule::GetPlayerAppAttrsTextNtf),
INIT_ARRAY_AT(6, &BluetoothDaemonAvrcpModule::GetPlayerAppValuesTextNtf),
INIT_ARRAY_AT(7, &BluetoothDaemonAvrcpModule::SetPlayerAppValueNtf),
INIT_ARRAY_AT(8, &BluetoothDaemonAvrcpModule::GetElementAttrNtf),
INIT_ARRAY_AT(9, &BluetoothDaemonAvrcpModule::RegisterNotificationNtf),
INIT_ARRAY_AT(10, &BluetoothDaemonAvrcpModule::VolumeChangeNtf),
INIT_ARRAY_AT(11, &BluetoothDaemonAvrcpModule::PassthroughCmdNtf)
#else
INIT_ARRAY_AT(0, &BluetoothDaemonAvrcpModule::GetPlayStatusNtf),
INIT_ARRAY_AT(1, &BluetoothDaemonAvrcpModule::ListPlayerAppAttrNtf),
INIT_ARRAY_AT(2, &BluetoothDaemonAvrcpModule::ListPlayerAppValuesNtf),
INIT_ARRAY_AT(3, &BluetoothDaemonAvrcpModule::GetPlayerAppValueNtf),
INIT_ARRAY_AT(4, &BluetoothDaemonAvrcpModule::GetPlayerAppAttrsTextNtf),
INIT_ARRAY_AT(5, &BluetoothDaemonAvrcpModule::GetPlayerAppValuesTextNtf),
INIT_ARRAY_AT(6, &BluetoothDaemonAvrcpModule::SetPlayerAppValueNtf),
INIT_ARRAY_AT(7, &BluetoothDaemonAvrcpModule::GetElementAttrNtf),
INIT_ARRAY_AT(8, &BluetoothDaemonAvrcpModule::RegisterNotificationNtf)
#endif
};
MOZ_ASSERT(!NS_IsMainThread());
uint8_t index = aHeader.mOpcode - 0x81;
if (NS_WARN_IF(!(index < MOZ_ARRAY_LENGTH(HandleNtf))) ||
NS_WARN_IF(!HandleNtf[index])) {
return;
}
(this->*(HandleNtf[index]))(aHeader, aPDU);
}
//
// AVRCP interface
//
BluetoothDaemonAvrcpInterface::BluetoothDaemonAvrcpInterface(
BluetoothDaemonAvrcpModule* aModule)
: mModule(aModule)
{ }
BluetoothDaemonAvrcpInterface::~BluetoothDaemonAvrcpInterface()
{ }
class BluetoothDaemonAvrcpInterface::InitResultHandler MOZ_FINAL
: public BluetoothSetupResultHandler
{
public:
InitResultHandler(BluetoothAvrcpResultHandler* aRes)
: mRes(aRes)
{
MOZ_ASSERT(mRes);
}
void OnError(BluetoothStatus aStatus) MOZ_OVERRIDE
{
MOZ_ASSERT(NS_IsMainThread());
mRes->OnError(aStatus);
}
void RegisterModule() MOZ_OVERRIDE
{
MOZ_ASSERT(NS_IsMainThread());
mRes->Init();
}
private:
nsRefPtr<BluetoothAvrcpResultHandler> mRes;
};
void
BluetoothDaemonAvrcpInterface::Init(
BluetoothAvrcpNotificationHandler* aNotificationHandler,
BluetoothAvrcpResultHandler* aRes)
{
MOZ_ASSERT(mModule);
// Set notification handler _before_ registering the module. It could
// happen that we receive notifications, before the result handler runs.
mModule->SetNotificationHandler(aNotificationHandler);
InitResultHandler* res;
if (aRes) {
res = new InitResultHandler(aRes);
} else {
// We don't need a result handler if the caller is not interested.
res = nullptr;
}
nsresult rv = mModule->RegisterModule(
BluetoothDaemonAvrcpModule::SERVICE_ID,
BluetoothDaemonAvrcpModule::MAX_NUM_CLIENTS, 0x00, res);
if (NS_FAILED(rv) && aRes) {
DispatchError(aRes, rv);
}
}
class BluetoothDaemonAvrcpInterface::CleanupResultHandler MOZ_FINAL
: public BluetoothSetupResultHandler
{
public:
CleanupResultHandler(BluetoothDaemonAvrcpModule* aModule,
BluetoothAvrcpResultHandler* aRes)
: mModule(aModule)
, mRes(aRes)
{
MOZ_ASSERT(mModule);
}
void OnError(BluetoothStatus aStatus) MOZ_OVERRIDE
{
MOZ_ASSERT(NS_IsMainThread());
if (mRes) {
mRes->OnError(aStatus);
}
}
void UnregisterModule() MOZ_OVERRIDE
{
MOZ_ASSERT(NS_IsMainThread());
// Clear notification handler _after_ module has been
// unregistered. While unregistering the module, we might
// still receive notifications.
mModule->SetNotificationHandler(nullptr);
if (mRes) {
mRes->Cleanup();
}
}
private:
BluetoothDaemonAvrcpModule* mModule;
nsRefPtr<BluetoothAvrcpResultHandler> mRes;
};
void
BluetoothDaemonAvrcpInterface::Cleanup(
BluetoothAvrcpResultHandler* aRes)
{
MOZ_ASSERT(mModule);
nsresult rv = mModule->UnregisterModule(
BluetoothDaemonAvrcpModule::SERVICE_ID,
new CleanupResultHandler(mModule, aRes));
if (NS_FAILED(rv)) {
DispatchError(aRes, rv);
}
}
void
BluetoothDaemonAvrcpInterface::GetPlayStatusRsp(
ControlPlayStatus aPlayStatus, uint32_t aSongLen, uint32_t aSongPos,
BluetoothAvrcpResultHandler* aRes)
{
MOZ_ASSERT(mModule);
nsresult rv = mModule->GetPlayStatusRspCmd(aPlayStatus, aSongLen,
aSongPos, aRes);
if (NS_FAILED(rv)) {
DispatchError(aRes, rv);
}
}
void
BluetoothDaemonAvrcpInterface::ListPlayerAppAttrRsp(
int aNumAttr, const BluetoothAvrcpPlayerAttribute* aPAttrs,
BluetoothAvrcpResultHandler* aRes)
{
MOZ_ASSERT(mModule);
nsresult rv = mModule->ListPlayerAppAttrRspCmd(aNumAttr, aPAttrs, aRes);
if (NS_FAILED(rv)) {
DispatchError(aRes, rv);
}
}
void
BluetoothDaemonAvrcpInterface::ListPlayerAppValueRsp(
int aNumVal, uint8_t* aPVals, BluetoothAvrcpResultHandler* aRes)
{
MOZ_ASSERT(mModule);
nsresult rv = mModule->ListPlayerAppValueRspCmd(aNumVal, aPVals, aRes);
if (NS_FAILED(rv)) {
DispatchError(aRes, rv);
}
}
void
BluetoothDaemonAvrcpInterface::GetPlayerAppValueRsp(
uint8_t aNumAttrs, const uint8_t* aIds, const uint8_t* aValues,
BluetoothAvrcpResultHandler* aRes)
{
MOZ_ASSERT(mModule);
nsresult rv = mModule->GetPlayerAppValueRspCmd(aNumAttrs, aIds,
aValues, aRes);
if (NS_FAILED(rv)) {
DispatchError(aRes, rv);
}
}
void
BluetoothDaemonAvrcpInterface::GetPlayerAppAttrTextRsp(
int aNumAttr, const uint8_t* aIds, const char** aTexts,
BluetoothAvrcpResultHandler* aRes)
{
MOZ_ASSERT(mModule);
nsresult rv = mModule->GetPlayerAppAttrTextRspCmd(aNumAttr, aIds,
aTexts, aRes);
if (NS_FAILED(rv)) {
DispatchError(aRes, rv);
}
}
void
BluetoothDaemonAvrcpInterface::GetPlayerAppValueTextRsp(
int aNumVal, const uint8_t* aIds, const char** aTexts,
BluetoothAvrcpResultHandler* aRes)
{
MOZ_ASSERT(mModule);
nsresult rv = mModule->GetPlayerAppValueTextRspCmd(aNumVal, aIds,
aTexts, aRes);
if (NS_FAILED(rv)) {
DispatchError(aRes, rv);
}
}
void
BluetoothDaemonAvrcpInterface::GetElementAttrRsp(
uint8_t aNumAttr, const BluetoothAvrcpElementAttribute* aAttr,
BluetoothAvrcpResultHandler* aRes)
{
MOZ_ASSERT(mModule);
nsresult rv = mModule->GetElementAttrRspCmd(aNumAttr, aAttr, aRes);
if (NS_FAILED(rv)) {
DispatchError(aRes, rv);
}
}
void
BluetoothDaemonAvrcpInterface::SetPlayerAppValueRsp(
BluetoothAvrcpStatus aRspStatus, BluetoothAvrcpResultHandler* aRes)
{
MOZ_ASSERT(mModule);
nsresult rv = mModule->SetPlayerAppValueRspCmd(aRspStatus, aRes);
if (NS_FAILED(rv)) {
DispatchError(aRes, rv);
}
}
void
BluetoothDaemonAvrcpInterface::RegisterNotificationRsp(
BluetoothAvrcpEvent aEvent,
BluetoothAvrcpNotification aType,
const BluetoothAvrcpNotificationParam& aParam,
BluetoothAvrcpResultHandler* aRes)
{
MOZ_ASSERT(mModule);
nsresult rv = mModule->RegisterNotificationRspCmd(aEvent, aType,
aParam, aRes);
if (NS_FAILED(rv)) {
DispatchError(aRes, rv);
}
}
void
BluetoothDaemonAvrcpInterface::SetVolume(
uint8_t aVolume, BluetoothAvrcpResultHandler* aRes)
{
MOZ_ASSERT(mModule);
nsresult rv = mModule->SetVolumeCmd(aVolume, aRes);
if (NS_FAILED(rv)) {
DispatchError(aRes, rv);
}
}
void
BluetoothDaemonAvrcpInterface::DispatchError(
BluetoothAvrcpResultHandler* aRes, BluetoothStatus aStatus)
{
BluetoothResultRunnable1<BluetoothAvrcpResultHandler, void,
BluetoothStatus, BluetoothStatus>::Dispatch(
aRes, &BluetoothAvrcpResultHandler::OnError,
ConstantInitOp1<BluetoothStatus>(aStatus));
}
void
BluetoothDaemonAvrcpInterface::DispatchError(
BluetoothAvrcpResultHandler* aRes, nsresult aRv)
{
BluetoothStatus status;
if (NS_WARN_IF(NS_FAILED(Convert(aRv, status)))) {
status = STATUS_FAIL;
}
DispatchError(aRes, status);
}
END_BLUETOOTH_NAMESPACE