private void DestroyFrontend()
{
Logger.Debug?.Print(LogClass.ServiceAm, $"Destroying software keyboard frontend");
_keyboardRenderer?.Dispose();
_keyboardRenderer = null;
if (_dynamicTextInputHandler != null)
{
_dynamicTextInputHandler.TextChangedEvent -= HandleTextChangedEvent;
_dynamicTextInputHandler.KeyPressedEvent -= HandleKeyPressedEvent;
_dynamicTextInputHandler.Dispose();
_dynamicTextInputHandler = null;
}
if (_npads != null)
{
_npads.NpadButtonDownEvent -= HandleNpadButtonDownEvent;
_npads.NpadButtonUpEvent -= HandleNpadButtonUpEvent;
_npads = null;
}
}
private void OnBackgroundInteractiveData(byte[] data)
{
// WARNING: Only invoke applet state changes after an explicit finalization
// request from the game, this is because the inline keyboard is expected to
// keep running in the background sending data by itself.
using (MemoryStream stream = new MemoryStream(data))
using (BinaryReader reader = new BinaryReader(stream))
{
InlineKeyboardRequest request = (InlineKeyboardRequest)reader.ReadUInt32();
InlineKeyboardState state = GetInlineState();
long remaining;
Logger.Debug?.Print(LogClass.ServiceAm, $"Keyboard received command {request} in state {state}");
switch (request)
{
case InlineKeyboardRequest.UseChangedStringV2:
Logger.Stub?.Print(LogClass.ServiceAm, "Keyboard response ChangedStringV2");
break;
case InlineKeyboardRequest.UseMovedCursorV2:
Logger.Stub?.Print(LogClass.ServiceAm, "Keyboard response MovedCursorV2");
break;
case InlineKeyboardRequest.SetUserWordInfo:
// Read the user word info data.
remaining = stream.Length - stream.Position;
if (remaining < sizeof(int))
{
Logger.Warning?.Print(LogClass.ServiceAm, $"Received invalid Software Keyboard User Word Info of {remaining} bytes");
}
else
{
int wordsCount = reader.ReadInt32();
int wordSize = Marshal.SizeOf <SoftwareKeyboardUserWord>();
remaining = stream.Length - stream.Position;
if (wordsCount > MaxUserWords)
{
Logger.Warning?.Print(LogClass.ServiceAm, $"Received {wordsCount} User Words but the maximum is {MaxUserWords}");
}
else if (wordsCount * wordSize != remaining)
{
Logger.Warning?.Print(LogClass.ServiceAm, $"Received invalid Software Keyboard User Word Info data of {remaining} bytes for {wordsCount} words");
}
else
{
_keyboardBackgroundUserWords = new SoftwareKeyboardUserWord[wordsCount];
for (int word = 0; word < wordsCount; word++)
{
byte[] wordData = reader.ReadBytes(wordSize);
_keyboardBackgroundUserWords[word] = ReadStruct <SoftwareKeyboardUserWord>(wordData);
}
}
}
_interactiveSession.Push(InlineResponses.ReleasedUserWordInfo(state));
break;
case InlineKeyboardRequest.SetCustomizeDic:
// Read the custom dic data.
remaining = stream.Length - stream.Position;
if (remaining != Marshal.SizeOf <SoftwareKeyboardCustomizeDic>())
{
Logger.Warning?.Print(LogClass.ServiceAm, $"Received invalid Software Keyboard Customize Dic of {remaining} bytes");
}
else
{
var keyboardDicData = reader.ReadBytes((int)remaining);
_keyboardBackgroundDic = ReadStruct <SoftwareKeyboardCustomizeDic>(keyboardDicData);
}
break;
case InlineKeyboardRequest.SetCustomizedDictionaries:
// Read the custom dictionaries data.
remaining = stream.Length - stream.Position;
if (remaining != Marshal.SizeOf <SoftwareKeyboardDictSet>())
{
Logger.Warning?.Print(LogClass.ServiceAm, $"Received invalid Software Keyboard DictSet of {remaining} bytes");
}
else
{
var keyboardDictData = reader.ReadBytes((int)remaining);
_keyboardBackgroundDictSet = ReadStruct <SoftwareKeyboardDictSet>(keyboardDictData);
}
break;
case InlineKeyboardRequest.Calc:
// The Calc request tells the Applet to enter the main input handling loop, which will end
// with either a text being submitted or a cancel request from the user.
// Read the Calc data.
SoftwareKeyboardCalc newCalc;
remaining = stream.Length - stream.Position;
if (remaining != Marshal.SizeOf <SoftwareKeyboardCalc>())
{
Logger.Error?.Print(LogClass.ServiceAm, $"Received invalid Software Keyboard Calc of {remaining} bytes");
newCalc = new SoftwareKeyboardCalc();
}
else
{
var keyboardCalcData = reader.ReadBytes((int)remaining);
newCalc = ReadStruct <SoftwareKeyboardCalc>(keyboardCalcData);
}
// Make the state transition.
if (state < InlineKeyboardState.Ready)
{
// This field consistently is -1 when the calc is not meant to be shown.
if (newCalc.Appear.Padding1 == -1)
{
state = InlineKeyboardState.Initialized;
Logger.Debug?.Print(LogClass.ServiceAm, $"Calc during state {state} is probably a dummy");
}
else
{
// Set the new calc
_keyboardBackgroundCalc = newCalc;
// Check if the application expects UTF8 encoding instead of UTF16.
if (_keyboardBackgroundCalc.UseUtf8)
{
_encoding = Encoding.UTF8;
}
string newText = _keyboardBackgroundCalc.InputText;
uint cursorPosition = (uint)_keyboardBackgroundCalc.CursorPos;
_dynamicTextInputHandler?.SetText(newText);
state = InlineKeyboardState.Ready;
PushChangedString(newText, cursorPosition, state);
}
SetInlineState(state);
}
else if (state == InlineKeyboardState.Complete)
{
state = InlineKeyboardState.Initialized;
}
// Send the response to the Calc
_interactiveSession.Push(InlineResponses.Default(state));
break;
case InlineKeyboardRequest.Finalize:
// Destroy the dynamic text input handler
if (_dynamicTextInputHandler != null)
{
_dynamicTextInputHandler.TextChanged -= DynamicTextChanged;
_dynamicTextInputHandler.Dispose();
}
// The calling application wants to close the keyboard applet and will wait for a state change.
SetInlineState(InlineKeyboardState.Uninitialized);
AppletStateChanged?.Invoke(this, null);
break;
default:
// We shouldn't be able to get here through standard swkbd execution.
Logger.Warning?.Print(LogClass.ServiceAm, $"Invalid Software Keyboard request {request} during state {state}");
_interactiveSession.Push(InlineResponses.Default(state));
break;
}
}
}