gecko-dev/dom/bluetooth/BluetoothManager.cpp

234 lines
6.2 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 "BluetoothManager.h"
#include "BluetoothCommon.h"
#include "BluetoothAdapter.h"
#include "BluetoothService.h"
#include "BluetoothReplyRunnable.h"
#include "DOMRequest.h"
#include "nsContentUtils.h"
#include "nsDOMClassInfo.h"
#include "nsIPermissionManager.h"
#include "nsThreadUtils.h"
#include "mozilla/dom/bluetooth/BluetoothTypes.h"
#include "mozilla/dom/BluetoothManagerBinding.h"
using namespace mozilla;
USING_BLUETOOTH_NAMESPACE
// QueryInterface implementation for BluetoothManager
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(BluetoothManager)
NS_INTERFACE_MAP_END_INHERITING(nsDOMEventTargetHelper)
NS_IMPL_ADDREF_INHERITED(BluetoothManager, nsDOMEventTargetHelper)
NS_IMPL_RELEASE_INHERITED(BluetoothManager, nsDOMEventTargetHelper)
class GetAdapterTask : public BluetoothReplyRunnable
{
public:
GetAdapterTask(BluetoothManager* aManager,
nsIDOMDOMRequest* aReq) :
BluetoothReplyRunnable(aReq),
mManagerPtr(aManager)
{
}
bool
ParseSuccessfulReply(JS::MutableHandle<JS::Value> aValue)
{
aValue.setUndefined();
const BluetoothValue& v = mReply->get_BluetoothReplySuccess().value();
if (v.type() != BluetoothValue::TArrayOfBluetoothNamedValue) {
BT_WARNING("Not a BluetoothNamedValue array!");
SetError(NS_LITERAL_STRING("BluetoothReplyTypeError"));
return false;
}
const InfallibleTArray<BluetoothNamedValue>& values =
v.get_ArrayOfBluetoothNamedValue();
nsRefPtr<BluetoothAdapter> adapter =
BluetoothAdapter::Create(mManagerPtr->GetOwner(), values);
nsresult rv;
nsIScriptContext* sc = mManagerPtr->GetContextForEventHandlers(&rv);
if (!sc) {
BT_WARNING("Cannot create script context!");
SetError(NS_LITERAL_STRING("BluetoothScriptContextError"));
return false;
}
AutoPushJSContext cx(sc->GetNativeContext());
JS::Rooted<JSObject*> global(cx, sc->GetWindowProxy());
rv = nsContentUtils::WrapNative(cx, global, adapter, aValue);
if (NS_FAILED(rv)) {
BT_WARNING("Cannot create native object!");
SetError(NS_LITERAL_STRING("BluetoothNativeObjectError"));
return false;
}
return true;
}
void
ReleaseMembers()
{
BluetoothReplyRunnable::ReleaseMembers();
mManagerPtr = nullptr;
}
private:
nsRefPtr<BluetoothManager> mManagerPtr;
};
BluetoothManager::BluetoothManager(nsPIDOMWindow *aWindow)
: nsDOMEventTargetHelper(aWindow)
, BluetoothPropertyContainer(BluetoothObjectType::TYPE_MANAGER)
{
MOZ_ASSERT(aWindow);
MOZ_ASSERT(IsDOMBinding());
BindToOwner(aWindow);
mPath.AssignLiteral("/");
BluetoothService* bs = BluetoothService::Get();
NS_ENSURE_TRUE_VOID(bs);
bs->RegisterBluetoothSignalHandler(NS_LITERAL_STRING(KEY_MANAGER), this);
}
BluetoothManager::~BluetoothManager()
{
BluetoothService* bs = BluetoothService::Get();
NS_ENSURE_TRUE_VOID(bs);
bs->UnregisterBluetoothSignalHandler(NS_LITERAL_STRING(KEY_MANAGER), this);
}
void
BluetoothManager::SetPropertyByValue(const BluetoothNamedValue& aValue)
{
#ifdef DEBUG
const nsString& name = aValue.name();
nsCString warningMsg;
warningMsg.AssignLiteral("Not handling manager property: ");
warningMsg.Append(NS_ConvertUTF16toUTF8(name));
BT_WARNING(warningMsg.get());
#endif
}
bool
BluetoothManager::GetEnabled(ErrorResult& aRv)
{
BluetoothService* bs = BluetoothService::Get();
if (!bs) {
aRv.Throw(NS_ERROR_FAILURE);
return false;
}
return bs->IsEnabled();
}
already_AddRefed<dom::DOMRequest>
BluetoothManager::GetDefaultAdapter(ErrorResult& aRv)
{
nsCOMPtr<nsPIDOMWindow> win = GetOwner();
if (!win) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
nsRefPtr<DOMRequest> request = new DOMRequest(win);
nsRefPtr<BluetoothReplyRunnable> results =
new GetAdapterTask(this, request);
BluetoothService* bs = BluetoothService::Get();
if (!bs) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
nsresult rv = bs->GetDefaultAdapterPathInternal(results);
if (NS_FAILED(rv)) {
aRv.Throw(rv);
return nullptr;
}
return request.forget();
}
// static
already_AddRefed<BluetoothManager>
BluetoothManager::Create(nsPIDOMWindow* aWindow)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aWindow);
nsRefPtr<BluetoothManager> manager = new BluetoothManager(aWindow);
return manager.forget();
}
// static
bool
BluetoothManager::CheckPermission(nsPIDOMWindow* aWindow)
{
NS_ASSERTION(aWindow, "Null pointer!");
nsCOMPtr<nsIPermissionManager> permMgr =
do_GetService(NS_PERMISSIONMANAGER_CONTRACTID);
NS_ENSURE_TRUE(permMgr, false);
uint32_t permission;
nsresult rv =
permMgr->TestPermissionFromWindow(aWindow, "bluetooth",
&permission);
NS_ENSURE_SUCCESS(rv, false);
return permission == nsIPermissionManager::ALLOW_ACTION;
}
void
BluetoothManager::Notify(const BluetoothSignal& aData)
{
BT_LOGD("[M] %s: %s", __FUNCTION__, NS_ConvertUTF16toUTF8(aData.name()).get());
if (aData.name().EqualsLiteral("AdapterAdded")) {
DispatchTrustedEvent(NS_LITERAL_STRING("adapteradded"));
} else if (aData.name().EqualsLiteral("Enabled")) {
DispatchTrustedEvent(NS_LITERAL_STRING("enabled"));
} else if (aData.name().EqualsLiteral("Disabled")) {
DispatchTrustedEvent(NS_LITERAL_STRING("disabled"));
} else {
#ifdef DEBUG
nsCString warningMsg;
warningMsg.AssignLiteral("Not handling manager signal: ");
warningMsg.Append(NS_ConvertUTF16toUTF8(aData.name()));
BT_WARNING(warningMsg.get());
#endif
}
}
bool
BluetoothManager::IsConnected(uint16_t aProfileId, ErrorResult& aRv)
{
BluetoothService* bs = BluetoothService::Get();
if (!bs) {
aRv.Throw(NS_ERROR_FAILURE);
return false;
}
return bs->IsConnected(aProfileId);
}
JSObject*
BluetoothManager::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aScope)
{
return BluetoothManagerBinding::Wrap(aCx, aScope, this);
}