The Tor Browser: comparison dom/bluetooth/BluetoothHidManager.cpp

--1:000000000000
+:0c8926661482
+/* -*- 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 "BluetoothHidManager.h"
+#include "BluetoothCommon.h"
+#include "BluetoothService.h"
+#include "BluetoothUtils.h"
+#include "mozilla/dom/bluetooth/BluetoothTypes.h"
+#include "mozilla/Services.h"
+#include "mozilla/StaticPtr.h"
+#include "nsIObserverService.h"
+#include "MainThreadUtils.h"
+using namespace mozilla;
+USING_BLUETOOTH_NAMESPACE
+namespace {
+StaticRefPtr<BluetoothHidManager> sBluetoothHidManager;
+bool sInShutdown = false;
+} // anonymous namespace
+NS_IMETHODIMP
+BluetoothHidManager::Observe(nsISupports* aSubject,
+const char* aTopic,
+const char16_t* aData)
+{
+MOZ_ASSERT(sBluetoothHidManager);
+if (!strcmp(aTopic, NS_XPCOM_SHUTDOWN_OBSERVER_ID)) {
+HandleShutdown();
+return NS_OK;
+}
+MOZ_ASSERT(false, "BluetoothHidManager got unexpected topic!");
+return NS_ERROR_UNEXPECTED;
+}
+BluetoothHidManager::BluetoothHidManager()
+{
+Reset();
+}
+void
+BluetoothHidManager::Reset()
+{
+mConnected = false;
+mController = nullptr;
+}
+bool
+BluetoothHidManager::Init()
+{
+MOZ_ASSERT(NS_IsMainThread());
+nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
+NS_ENSURE_TRUE(obs, false);
+if (NS_FAILED(obs->AddObserver(this, NS_XPCOM_SHUTDOWN_OBSERVER_ID, false))) {
+BT_WARNING("Failed to add shutdown observer!");
+return false;
+}
+return true;
+}
+BluetoothHidManager::~BluetoothHidManager()
+{
+nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
+NS_ENSURE_TRUE_VOID(obs);
+if (NS_FAILED(obs->RemoveObserver(this, NS_XPCOM_SHUTDOWN_OBSERVER_ID))) {
+BT_WARNING("Failed to remove shutdown observer!");
+}
+}
+//static
+BluetoothHidManager*
+BluetoothHidManager::Get()
+{
+MOZ_ASSERT(NS_IsMainThread());
+// If we already exist, exit early
+if (sBluetoothHidManager) {
+return sBluetoothHidManager;
+}
+// If we're in shutdown, don't create a new instance
+NS_ENSURE_FALSE(sInShutdown, nullptr);
+// Create a new instance, register, and return
+BluetoothHidManager* manager = new BluetoothHidManager();
+NS_ENSURE_TRUE(manager->Init(), nullptr);
+sBluetoothHidManager = manager;
+return sBluetoothHidManager;
+}
+void
+BluetoothHidManager::HandleShutdown()
+{
+MOZ_ASSERT(NS_IsMainThread());
+sInShutdown = true;
+Disconnect(nullptr);
+sBluetoothHidManager = nullptr;
+}
+void
+BluetoothHidManager::Connect(const nsAString& aDeviceAddress,
+BluetoothProfileController* aController)
+{
+MOZ_ASSERT(NS_IsMainThread());
+MOZ_ASSERT(!aDeviceAddress.IsEmpty());
+MOZ_ASSERT(aController && !mController);
+BluetoothService* bs = BluetoothService::Get();
+if (!bs || sInShutdown) {
+aController->NotifyCompletion(NS_LITERAL_STRING(ERR_NO_AVAILABLE_RESOURCE));
+return;
+}
+if (mConnected) {
+aController->NotifyCompletion(NS_LITERAL_STRING(ERR_ALREADY_CONNECTED));
+return;
+}
+mDeviceAddress = aDeviceAddress;
+mController = aController;
+if (NS_FAILED(bs->SendInputMessage(aDeviceAddress,
+NS_LITERAL_STRING("Connect")))) {
+aController->NotifyCompletion(NS_LITERAL_STRING(ERR_NO_AVAILABLE_RESOURCE));
+return;
+}
+}
+void
+BluetoothHidManager::Disconnect(BluetoothProfileController* aController)
+{
+MOZ_ASSERT(NS_IsMainThread());
+BluetoothService* bs = BluetoothService::Get();
+if (!bs) {
+if (aController) {
+aController->NotifyCompletion(NS_LITERAL_STRING(ERR_NO_AVAILABLE_RESOURCE));
+}
+return;
+}
+if (!mConnected) {
+if (aController) {
+aController->NotifyCompletion(NS_LITERAL_STRING(ERR_ALREADY_DISCONNECTED));
+}
+return;
+}
+MOZ_ASSERT(!mDeviceAddress.IsEmpty());
+MOZ_ASSERT(!mController);
+mController = aController;
+if (NS_FAILED(bs->SendInputMessage(mDeviceAddress,
+NS_LITERAL_STRING("Disconnect")))) {
+aController->NotifyCompletion(NS_LITERAL_STRING(ERR_NO_AVAILABLE_RESOURCE));
+return;
+}
+}
+void
+BluetoothHidManager::OnConnect(const nsAString& aErrorStr)
+{
+MOZ_ASSERT(NS_IsMainThread());
+/**
+* On the one hand, notify the controller that we've done for outbound
+* connections. On the other hand, we do nothing for inbound connections.
+*/
+NS_ENSURE_TRUE_VOID(mController);
+nsRefPtr<BluetoothProfileController> controller = mController.forget();
+controller->NotifyCompletion(aErrorStr);
+}
+void
+BluetoothHidManager::OnDisconnect(const nsAString& aErrorStr)
+{
+MOZ_ASSERT(NS_IsMainThread());
+/**
+* On the one hand, notify the controller that we've done for outbound
+* connections. On the other hand, we do nothing for inbound connections.
+*/
+NS_ENSURE_TRUE_VOID(mController);
+nsRefPtr<BluetoothProfileController> controller = mController.forget();
+controller->NotifyCompletion(aErrorStr);
+}
+bool
+BluetoothHidManager::IsConnected()
+{
+return mConnected;
+}
+void
+BluetoothHidManager::HandleInputPropertyChanged(const BluetoothSignal& aSignal)
+{
+MOZ_ASSERT(NS_IsMainThread());
+MOZ_ASSERT(aSignal.value().type() == BluetoothValue::TArrayOfBluetoothNamedValue);
+const InfallibleTArray<BluetoothNamedValue>& arr =
+aSignal.value().get_ArrayOfBluetoothNamedValue();
+MOZ_ASSERT(arr.Length() == 1);
+const nsString& name = arr[0].name();
+const BluetoothValue& value = arr[0].value();
+if (name.EqualsLiteral("Connected")) {
+MOZ_ASSERT(value.type() == BluetoothValue::Tbool);
+MOZ_ASSERT(mConnected != value.get_bool());
+mConnected = value.get_bool();
+NotifyStatusChanged();
+if (mConnected) {
+OnConnect(EmptyString());
+} else {
+OnDisconnect(EmptyString());
+}
+}
+}
+void
+BluetoothHidManager::NotifyStatusChanged()
+{
+MOZ_ASSERT(NS_IsMainThread());
+NS_NAMED_LITERAL_STRING(type, BLUETOOTH_HID_STATUS_CHANGED_ID);
+InfallibleTArray<BluetoothNamedValue> parameters;
+BT_APPEND_NAMED_VALUE(parameters, "connected", mConnected);
+BT_APPEND_NAMED_VALUE(parameters, "address", mDeviceAddress);
+BT_ENSURE_TRUE_VOID_BROADCAST_SYSMSG(type, parameters);
+}
+void
+BluetoothHidManager::OnGetServiceChannel(const nsAString& aDeviceAddress,
+const nsAString& aServiceUuid,
+int aChannel)
+{
+// Do nothing here as bluez acquires service channel and connects for us
+}
+void
+BluetoothHidManager::OnUpdateSdpRecords(const nsAString& aDeviceAddress)
+{
+// Do nothing here as bluez acquires service channel and connects for us
+}
+void
+BluetoothHidManager::GetAddress(nsAString& aDeviceAddress)
+{
+aDeviceAddress = mDeviceAddress;
+}
+NS_IMPL_ISUPPORTS(BluetoothHidManager, nsIObserver)

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comparison: dom/bluetooth/BluetoothHidManager.cpp

dom/bluetooth/BluetoothHidManager.cpp