gecko/dom/bluetooth2/BluetoothReplyRunnable.cpp

140 lines
3.5 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 "base/basictypes.h"
#include "BluetoothReplyRunnable.h"
#include "DOMRequest.h"
#include "mozilla/dom/bluetooth/BluetoothTypes.h"
#include "mozilla/dom/Promise.h"
#include "nsServiceManagerUtils.h"
using namespace mozilla::dom;
USING_BLUETOOTH_NAMESPACE
BluetoothReplyRunnable::BluetoothReplyRunnable(nsIDOMDOMRequest* aReq,
Promise* aPromise,
const nsAString& aName)
: mDOMRequest(aReq)
, mPromise(aPromise)
, mName(aName)
{
if (aPromise) {
BT_API2_LOGR("<%s>", NS_ConvertUTF16toUTF8(mName).get());
}
}
void
BluetoothReplyRunnable::SetReply(BluetoothReply* aReply)
{
mReply = aReply;
}
void
BluetoothReplyRunnable::ReleaseMembers()
{
mDOMRequest = nullptr;
mPromise = nullptr;
}
BluetoothReplyRunnable::~BluetoothReplyRunnable()
{}
nsresult
BluetoothReplyRunnable::FireReplySuccess(JS::Handle<JS::Value> aVal)
{
MOZ_ASSERT(mReply->type() == BluetoothReply::TBluetoothReplySuccess);
// DOMRequest
if (mDOMRequest) {
nsCOMPtr<nsIDOMRequestService> rs =
do_GetService(DOMREQUEST_SERVICE_CONTRACTID);
NS_ENSURE_TRUE(rs, NS_ERROR_FAILURE);
return rs->FireSuccessAsync(mDOMRequest, aVal);
}
// Promise
if (mPromise) {
BT_API2_LOGR("<%s>", NS_ConvertUTF16toUTF8(mName).get());
mPromise->MaybeResolve(aVal);
}
return NS_OK;
}
nsresult
BluetoothReplyRunnable::FireErrorString()
{
// DOMRequest
if (mDOMRequest) {
nsCOMPtr<nsIDOMRequestService> rs =
do_GetService(DOMREQUEST_SERVICE_CONTRACTID);
NS_ENSURE_TRUE(rs, NS_ERROR_FAILURE);
return rs->FireErrorAsync(mDOMRequest, mErrorString);
}
// Promise
if (mPromise) {
BT_API2_LOGR("<%s>", NS_ConvertUTF16toUTF8(mName).get());
/**
* Always reject with NS_ERROR_DOM_OPERATION_ERR.
*
* TODO: Return actual error result once bluetooth backend wraps
* nsresult instead of error string.
*/
mPromise->MaybeReject(NS_ERROR_DOM_OPERATION_ERR);
}
return NS_OK;
}
NS_IMETHODIMP
BluetoothReplyRunnable::Run()
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(mReply);
AutoSafeJSContext cx;
JS::Rooted<JS::Value> v(cx, JSVAL_VOID);
nsresult rv;
if (mReply->type() != BluetoothReply::TBluetoothReplySuccess) {
SetError(mReply->get_BluetoothReplyError().error());
rv = FireErrorString();
} else if (!ParseSuccessfulReply(&v)) {
rv = FireErrorString();
} else {
rv = FireReplySuccess(v);
}
if (NS_FAILED(rv)) {
BT_WARNING("Could not fire DOMRequest/Promise!");
}
ReleaseMembers();
MOZ_ASSERT(!mDOMRequest,
"mDOMRequest is still alive! Deriving class should call "
"BluetoothReplyRunnable::ReleaseMembers()!");
MOZ_ASSERT(!mPromise,
"mPromise is still alive! Deriving class should call "
"BluetoothReplyRunnable::ReleaseMembers()!");
return rv;
}
BluetoothVoidReplyRunnable::BluetoothVoidReplyRunnable(nsIDOMDOMRequest* aReq,
Promise* aPromise,
const nsAString& aName)
: BluetoothReplyRunnable(aReq, aPromise, aName)
{}
BluetoothVoidReplyRunnable::~BluetoothVoidReplyRunnable()
{}