gecko/dom/bluetooth2/BluetoothManager.cpp
Ehsan Akhgari 33bb32f549 Bug 1145631 - Part 1: Replace MOZ_OVERRIDE and MOZ_FINAL with override and final in the tree; r=froydnj
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         -o -iname "*.h" \
         -o -iname "*.c" \
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convert MOZ_OVERRIDE override
convert MOZ_FINAL final
2015-03-21 12:28:04 -04:00

294 lines
8.2 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 "BluetoothAdapter.h"
#include "BluetoothService.h"
#include "BluetoothReplyRunnable.h"
#include "mozilla/dom/bluetooth/BluetoothTypes.h"
#include "mozilla/dom/BluetoothManager2Binding.h"
#include "mozilla/Services.h"
#include "nsContentUtils.h"
#include "nsDOMClassInfo.h"
#include "nsIPermissionManager.h"
#include "nsThreadUtils.h"
using namespace mozilla;
USING_BLUETOOTH_NAMESPACE
// QueryInterface implementation for BluetoothManager
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(BluetoothManager)
NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
NS_IMPL_ADDREF_INHERITED(BluetoothManager, DOMEventTargetHelper)
NS_IMPL_RELEASE_INHERITED(BluetoothManager, DOMEventTargetHelper)
class GetAdaptersTask : public BluetoothReplyRunnable
{
public:
GetAdaptersTask(BluetoothManager* aManager)
: BluetoothReplyRunnable(nullptr)
, mManager(aManager)
{ }
bool
ParseSuccessfulReply(JS::MutableHandle<JS::Value> aValue)
{
/**
* Unwrap BluetoothReply.BluetoothReplySuccess.BluetoothValue =
* BluetoothNamedValue[]
* |
* |__ BluetoothNamedValue =
* | {"Adapter", BluetoothValue = BluetoothNamedValue[]}
* |
* |__ BluetoothNamedValue =
* | {"Adapter", BluetoothValue = BluetoothNamedValue[]}
* ...
*/
// Extract the array of all adapters' properties
const BluetoothValue& adaptersProperties =
mReply->get_BluetoothReplySuccess().value();
NS_ENSURE_TRUE(adaptersProperties.type() ==
BluetoothValue::TArrayOfBluetoothNamedValue, false);
const InfallibleTArray<BluetoothNamedValue>& adaptersPropertiesArray =
adaptersProperties.get_ArrayOfBluetoothNamedValue();
BT_API2_LOGR("GetAdaptersTask: len[%d]", adaptersPropertiesArray.Length());
// Append a BluetoothAdapter into adapters array for each properties array
uint32_t numAdapters = adaptersPropertiesArray.Length();
for (uint32_t i = 0; i < numAdapters; i++) {
MOZ_ASSERT(adaptersPropertiesArray[i].name().EqualsLiteral("Adapter"));
const BluetoothValue& properties = adaptersPropertiesArray[i].value();
mManager->AppendAdapter(properties);
}
aValue.setUndefined();
return true;
}
virtual void
ReleaseMembers() override
{
BluetoothReplyRunnable::ReleaseMembers();
mManager = nullptr;
}
private:
nsRefPtr<BluetoothManager> mManager;
};
BluetoothManager::BluetoothManager(nsPIDOMWindow *aWindow)
: DOMEventTargetHelper(aWindow)
, mDefaultAdapterIndex(-1)
{
MOZ_ASSERT(aWindow);
ListenToBluetoothSignal(true);
BT_API2_LOGR("aWindow %p", aWindow);
// Query adapters list from bluetooth backend
BluetoothService* bs = BluetoothService::Get();
NS_ENSURE_TRUE_VOID(bs);
nsRefPtr<BluetoothReplyRunnable> result = new GetAdaptersTask(this);
NS_ENSURE_SUCCESS_VOID(bs->GetAdaptersInternal(result));
}
BluetoothManager::~BluetoothManager()
{
ListenToBluetoothSignal(false);
}
void
BluetoothManager::DisconnectFromOwner()
{
DOMEventTargetHelper::DisconnectFromOwner();
ListenToBluetoothSignal(false);
}
void
BluetoothManager::ListenToBluetoothSignal(bool aStart)
{
BluetoothService* bs = BluetoothService::Get();
NS_ENSURE_TRUE_VOID(bs);
if (aStart) {
bs->RegisterBluetoothSignalHandler(NS_LITERAL_STRING(KEY_MANAGER), this);
} else {
bs->UnregisterBluetoothSignalHandler(NS_LITERAL_STRING(KEY_MANAGER), this);
}
}
BluetoothAdapter*
BluetoothManager::GetDefaultAdapter()
{
BT_API2_LOGR("mDefaultAdapterIndex: %d", mDefaultAdapterIndex);
return DefaultAdapterExists() ? mAdapters[mDefaultAdapterIndex] : nullptr;
}
void
BluetoothManager::AppendAdapter(const BluetoothValue& aValue)
{
MOZ_ASSERT(aValue.type() == BluetoothValue::TArrayOfBluetoothNamedValue);
// Create a new BluetoothAdapter and append it to adapters array
const InfallibleTArray<BluetoothNamedValue>& values =
aValue.get_ArrayOfBluetoothNamedValue();
nsRefPtr<BluetoothAdapter> adapter =
BluetoothAdapter::Create(GetOwner(), values);
mAdapters.AppendElement(adapter);
// Set this adapter as default adapter if no adapter exists
if (!DefaultAdapterExists()) {
MOZ_ASSERT(mAdapters.Length() == 1);
ReselectDefaultAdapter();
}
}
void
BluetoothManager::GetAdapters(nsTArray<nsRefPtr<BluetoothAdapter> >& aAdapters)
{
aAdapters = mAdapters;
}
// static
already_AddRefed<BluetoothManager>
BluetoothManager::Create(nsPIDOMWindow* aWindow)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aWindow);
nsRefPtr<BluetoothManager> manager = new BluetoothManager(aWindow);
return manager.forget();
}
void
BluetoothManager::HandleAdapterAdded(const BluetoothValue& aValue)
{
MOZ_ASSERT(aValue.type() == BluetoothValue::TArrayOfBluetoothNamedValue);
BT_API2_LOGR();
AppendAdapter(aValue);
// Notify application of added adapter
BluetoothAdapterEventInit init;
init.mAdapter = mAdapters.LastElement();
DispatchAdapterEvent(NS_LITERAL_STRING("adapteradded"), init);
}
void
BluetoothManager::HandleAdapterRemoved(const BluetoothValue& aValue)
{
MOZ_ASSERT(aValue.type() == BluetoothValue::TnsString);
MOZ_ASSERT(DefaultAdapterExists());
// Remove the adapter of given address from adapters array
nsString addressToRemove = aValue.get_nsString();
uint32_t i;
for (i = 0; i < mAdapters.Length(); i++) {
nsString address;
mAdapters[i]->GetAddress(address);
if (address.Equals(addressToRemove)) {
mAdapters.RemoveElementAt(i);
break;
}
}
// Notify application of removed adapter
BluetoothAdapterEventInit init;
init.mAddress = addressToRemove;
DispatchAdapterEvent(NS_LITERAL_STRING("adapterremoved"), init);
// Reselect default adapter if it's removed
if (mDefaultAdapterIndex == (int)i) {
ReselectDefaultAdapter();
}
}
void
BluetoothManager::ReselectDefaultAdapter()
{
// Select the first of existing/remaining adapters as default adapter
mDefaultAdapterIndex = mAdapters.IsEmpty() ? -1 : 0;
BT_API2_LOGR("mAdapters length: %d => NEW mDefaultAdapterIndex: %d",
mAdapters.Length(), mDefaultAdapterIndex);
// Notify application of default adapter change
DispatchAttributeEvent();
}
void
BluetoothManager::DispatchAdapterEvent(const nsAString& aType,
const BluetoothAdapterEventInit& aInit)
{
BT_API2_LOGR("aType (%s)", NS_ConvertUTF16toUTF8(aType).get());
nsRefPtr<BluetoothAdapterEvent> event =
BluetoothAdapterEvent::Constructor(this, aType, aInit);
DispatchTrustedEvent(event);
}
void
BluetoothManager::DispatchAttributeEvent()
{
MOZ_ASSERT(NS_IsMainThread());
BT_API2_LOGR();
AutoJSAPI jsapi;
NS_ENSURE_TRUE_VOID(jsapi.Init(GetOwner()));
JSContext* cx = jsapi.cx();
JS::Rooted<JS::Value> value(cx);
nsTArray<nsString> types;
BT_APPEND_ENUM_STRING(types,
BluetoothManagerAttribute,
BluetoothManagerAttribute::DefaultAdapter);
if (!ToJSValue(cx, types, &value)) {
JS_ClearPendingException(cx);
return;
}
// Notify application of default adapter change
RootedDictionary<BluetoothAttributeEventInit> init(cx);
init.mAttrs = value;
nsRefPtr<BluetoothAttributeEvent> event =
BluetoothAttributeEvent::Constructor(this,
NS_LITERAL_STRING("attributechanged"),
init);
DispatchTrustedEvent(event);
}
void
BluetoothManager::Notify(const BluetoothSignal& aData)
{
BT_LOGD("[M] %s", NS_ConvertUTF16toUTF8(aData.name()).get());
if (aData.name().EqualsLiteral("AdapterAdded")) {
HandleAdapterAdded(aData.value());
} else if (aData.name().EqualsLiteral("AdapterRemoved")) {
HandleAdapterRemoved(aData.value());
} else {
BT_WARNING("Not handling manager signal: %s",
NS_ConvertUTF16toUTF8(aData.name()).get());
}
}
JSObject*
BluetoothManager::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return BluetoothManagerBinding::Wrap(aCx, this, aGivenProto);
}