Unexpected-Keyboard/srcs/juloo.keyboard2/Keyboard2.java
Jules Aguillon f36864533c
Standard layout names (#386)
The names are comprised of: script, layout name, country code.

Co-authored-by: grim <verdastelo9604@hotmail.com>
2023-06-25 13:40:20 +02:00

487 lines
15 KiB
Java

package juloo.keyboard2;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.inputmethodservice.InputMethodService;
import android.os.Build.VERSION;
import android.os.IBinder;
import android.text.InputType;
import android.util.Log;
import android.util.LogPrinter;
import android.view.*;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputConnection;
import android.view.inputmethod.InputMethodInfo;
import android.view.inputmethod.InputMethodManager;
import android.view.inputmethod.InputMethodSubtype;
import android.widget.FrameLayout;
import android.widget.LinearLayout;
import java.util.AbstractMap.SimpleEntry;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
public class Keyboard2 extends InputMethodService
implements SharedPreferences.OnSharedPreferenceChangeListener
{
static private final String TAG = "Keyboard2";
private Keyboard2View _keyboardView;
private KeyEventHandler _keyeventhandler;
// If not 'null', the layout to use instead of [_currentTextLayout].
private KeyboardData _currentSpecialLayout;
private Current_text_layout _currentTextLayout;
// Layout associated with the currently selected locale. Not 'null'.
private KeyboardData _localeTextLayout;
private ViewGroup _emojiPane = null;
public int actionId; // Action performed by the Action key.
private Config _config;
private boolean _debug_logs = false;
/** Layout currently visible. */
KeyboardData current_layout()
{
if (_currentSpecialLayout != null)
return _currentSpecialLayout;
KeyboardData layout;
if (_currentTextLayout == Current_text_layout.SECONDARY)
layout = _config.second_layout;
else if (_config.layout == null)
layout = _localeTextLayout;
else
layout = _config.layout;
return _config.modify_layout(layout);
}
void setTextLayout(Current_text_layout layout)
{
_currentTextLayout = layout;
_currentSpecialLayout = null;
_keyboardView.setKeyboard(current_layout());
}
void setSpecialLayout(KeyboardData l)
{
_currentSpecialLayout = l;
_keyboardView.setKeyboard(l);
}
KeyboardData loadLayout(int layout_id)
{
return KeyboardData.load(getResources(), layout_id);
}
@Override
public void onCreate()
{
super.onCreate();
KeyboardData.init(getResources());
SharedPreferences prefs = DirectBootAwarePreferences.get_shared_preferences(this);
prefs.registerOnSharedPreferenceChangeListener(this);
_keyeventhandler = new KeyEventHandler(getMainLooper(), this.new Receiver());
Config.initGlobalConfig(prefs, getResources(), _keyeventhandler);
_config = Config.globalConfig();
_keyboardView = (Keyboard2View)inflate_view(R.layout.keyboard);
_keyboardView.reset();
_debug_logs = getResources().getBoolean(R.bool.debug_logs);
}
private List<InputMethodSubtype> getEnabledSubtypes(InputMethodManager imm)
{
String pkg = getPackageName();
for (InputMethodInfo imi : imm.getEnabledInputMethodList())
if (imi.getPackageName().equals(pkg))
return imm.getEnabledInputMethodSubtypeList(imi, true);
return Arrays.asList();
}
private void extra_keys_of_subtype(ExtraKeys dst, InputMethodSubtype subtype)
{
String extra_keys = subtype.getExtraValueOf("extra_keys");
String script = subtype.getExtraValueOf("script");
if (extra_keys == null)
return;
dst.add_keys_for_script(script, ExtraKeys.parse_extra_keys(extra_keys));
}
private void refreshAccentsOption(InputMethodManager imm, InputMethodSubtype subtype)
{
ExtraKeys extra_keys = new ExtraKeys();
List<InputMethodSubtype> enabled_subtypes = getEnabledSubtypes(imm);
switch (_config.accents)
{
// '3' was "all accents", now unused
case 1: case 3:
extra_keys_of_subtype(extra_keys, subtype);
for (InputMethodSubtype s : enabled_subtypes)
extra_keys_of_subtype(extra_keys, s);
break;
case 2:
extra_keys_of_subtype(extra_keys, subtype);
break;
case 4: break;
default: throw new IllegalArgumentException();
}
_config.extra_keys_subtype = extra_keys;
if (enabled_subtypes.size() > 1)
_config.shouldOfferSwitchingToNextInputMethod = true;
}
InputMethodManager get_imm()
{
return (InputMethodManager)getSystemService(INPUT_METHOD_SERVICE);
}
private void refreshSubtypeImm()
{
InputMethodManager imm = get_imm();
if (VERSION.SDK_INT < 28)
_config.shouldOfferSwitchingToNextInputMethod = true;
else
_config.shouldOfferSwitchingToNextInputMethod = shouldOfferSwitchingToNextInputMethod();
_config.shouldOfferVoiceTyping = (get_voice_typing_im(imm) != null);
KeyboardData default_layout = null;
_config.extra_keys_subtype = null;
if (VERSION.SDK_INT >= 12)
{
InputMethodSubtype subtype = imm.getCurrentInputMethodSubtype();
if (subtype != null)
{
String s = subtype.getExtraValueOf("default_layout");
if (s != null)
default_layout = _config.layout_of_string(getResources(), s);
refreshAccentsOption(imm, subtype);
}
}
if (default_layout == null)
default_layout = KeyboardData.load(getResources(), R.xml.latn_qwerty_us);
_localeTextLayout = default_layout;
if (_config.second_layout == null)
{
_config.shouldOfferSwitchingToSecond = false;
_currentTextLayout = Current_text_layout.PRIMARY;
}
else
{
_config.shouldOfferSwitchingToSecond = true;
}
}
private String actionLabel_of_imeAction(int action)
{
int res;
switch (action)
{
case EditorInfo.IME_ACTION_NEXT: res = R.string.key_action_next; break;
case EditorInfo.IME_ACTION_DONE: res = R.string.key_action_done; break;
case EditorInfo.IME_ACTION_GO: res = R.string.key_action_go; break;
case EditorInfo.IME_ACTION_PREVIOUS: res = R.string.key_action_prev; break;
case EditorInfo.IME_ACTION_SEARCH: res = R.string.key_action_search; break;
case EditorInfo.IME_ACTION_SEND: res = R.string.key_action_send; break;
case EditorInfo.IME_ACTION_UNSPECIFIED:
case EditorInfo.IME_ACTION_NONE:
default: return null;
}
return getResources().getString(res);
}
private void refresh_action_label(EditorInfo info)
{
// First try to look at 'info.actionLabel', if it isn't set, look at
// 'imeOptions'.
if (info.actionLabel != null)
{
_config.actionLabel = info.actionLabel.toString();
actionId = info.actionId;
_config.swapEnterActionKey = false;
}
else
{
int action = info.imeOptions & EditorInfo.IME_MASK_ACTION;
_config.actionLabel = actionLabel_of_imeAction(action); // Might be null
actionId = action;
_config.swapEnterActionKey =
(info.imeOptions & EditorInfo.IME_FLAG_NO_ENTER_ACTION) == 0;
}
}
/** Might re-create the keyboard view. [_keyboardView.setKeyboard()] and
[setInputView()] must be called soon after. */
private void refresh_config()
{
int prev_theme = _config.theme;
_config.refresh(getResources());
refreshSubtypeImm();
// Refreshing the theme config requires re-creating the views
if (prev_theme != _config.theme)
{
_keyboardView = (Keyboard2View)inflate_view(R.layout.keyboard);
_emojiPane = null;
}
_keyboardView.reset();
}
/** Returns the id and subtype of the voice typing IM. Returns [null] if none
is installed or if the feature is unsupported. */
SimpleEntry<String, InputMethodSubtype> get_voice_typing_im(InputMethodManager imm)
{
if (VERSION.SDK_INT < 11) // Due to InputMethodSubtype
return null;
for (InputMethodInfo im : imm.getEnabledInputMethodList())
for (InputMethodSubtype imst : imm.getEnabledInputMethodSubtypeList(im, true))
// Switch to the first IM that has a subtype of this mode
if (imst.getMode().equals("voice"))
return new SimpleEntry(im.getId(), imst);
return null;
}
private void log_editor_info(EditorInfo info)
{
LogPrinter p = new LogPrinter(Log.DEBUG, TAG);
info.dump(p, "");
if (info.extras != null)
Log.d(TAG, "extras: "+info.extras.toString());
Log.d(TAG, "swapEnterActionKey: "+_config.swapEnterActionKey);
Log.d(TAG, "actionLabel: "+_config.actionLabel);
}
private void refresh_special_layout(EditorInfo info)
{
switch (info.inputType & InputType.TYPE_MASK_CLASS)
{
case InputType.TYPE_CLASS_NUMBER:
case InputType.TYPE_CLASS_PHONE:
case InputType.TYPE_CLASS_DATETIME:
_currentSpecialLayout =
_config.modify_numpad(KeyboardData.load(getResources(), R.xml.pin));
break;
default:
_currentSpecialLayout = null;
break;
}
}
@Override
public void onStartInputView(EditorInfo info, boolean restarting)
{
refresh_config();
refresh_action_label(info);
refresh_special_layout(info);
_keyboardView.setKeyboard(current_layout());
_keyeventhandler.started(info);
setInputView(_keyboardView);
if (_debug_logs)
log_editor_info(info);
}
@Override
public void setInputView(View v)
{
ViewParent parent = v.getParent();
if (parent != null && parent instanceof ViewGroup)
((ViewGroup)parent).removeView(v);
super.setInputView(v);
updateSoftInputWindowLayoutParams();
}
@Override
public void updateFullscreenMode() {
super.updateFullscreenMode();
updateSoftInputWindowLayoutParams();
}
private void updateSoftInputWindowLayoutParams() {
final Window window = getWindow().getWindow();
updateLayoutHeightOf(window, ViewGroup.LayoutParams.MATCH_PARENT);
final View inputArea = window.findViewById(android.R.id.inputArea);
updateLayoutHeightOf(
(View) inputArea.getParent(),
isFullscreenMode()
? ViewGroup.LayoutParams.MATCH_PARENT
: ViewGroup.LayoutParams.WRAP_CONTENT);
updateLayoutGravityOf((View) inputArea.getParent(), Gravity.BOTTOM);
}
private static void updateLayoutHeightOf(final Window window, final int layoutHeight) {
final WindowManager.LayoutParams params = window.getAttributes();
if (params != null && params.height != layoutHeight) {
params.height = layoutHeight;
window.setAttributes(params);
}
}
private static void updateLayoutHeightOf(final View view, final int layoutHeight) {
final ViewGroup.LayoutParams params = view.getLayoutParams();
if (params != null && params.height != layoutHeight) {
params.height = layoutHeight;
view.setLayoutParams(params);
}
}
private static void updateLayoutGravityOf(final View view, final int layoutGravity) {
final ViewGroup.LayoutParams lp = view.getLayoutParams();
if (lp instanceof LinearLayout.LayoutParams) {
final LinearLayout.LayoutParams params = (LinearLayout.LayoutParams) lp;
if (params.gravity != layoutGravity) {
params.gravity = layoutGravity;
view.setLayoutParams(params);
}
} else if (lp instanceof FrameLayout.LayoutParams) {
final FrameLayout.LayoutParams params = (FrameLayout.LayoutParams) lp;
if (params.gravity != layoutGravity) {
params.gravity = layoutGravity;
view.setLayoutParams(params);
}
}
}
@Override
public void onCurrentInputMethodSubtypeChanged(InputMethodSubtype subtype)
{
refreshSubtypeImm();
_keyboardView.setKeyboard(current_layout());
}
@Override
public void onUpdateSelection(int oldSelStart, int oldSelEnd, int newSelStart, int newSelEnd, int candidatesStart, int candidatesEnd)
{
super.onUpdateSelection(oldSelStart, oldSelEnd, newSelStart, newSelEnd, candidatesStart, candidatesEnd);
_keyeventhandler.selection_updated(oldSelStart, newSelStart);
}
@Override
public void onFinishInputView(boolean finishingInput)
{
super.onFinishInputView(finishingInput);
_keyboardView.reset();
}
@Override
public void onSharedPreferenceChanged(SharedPreferences _prefs, String _key)
{
refresh_config();
setInputView(_keyboardView);
_keyboardView.setKeyboard(current_layout());
}
@Override
public boolean onEvaluateFullscreenMode()
{
/* Entirely disable fullscreen mode. */
return false;
}
/** Not static */
public class Receiver implements KeyEventHandler.IReceiver
{
public void handle_event_key(KeyValue.Event ev)
{
switch (ev)
{
case CONFIG:
Intent intent = new Intent(Keyboard2.this, SettingsActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
break;
case SWITCH_TEXT:
_currentSpecialLayout = null;
_keyboardView.setKeyboard(current_layout());
break;
case SWITCH_NUMERIC:
setSpecialLayout(_config.modify_numpad(loadLayout(R.xml.numeric)));
break;
case SWITCH_EMOJI:
if (_emojiPane == null)
_emojiPane = (ViewGroup)inflate_view(R.layout.emoji_pane);
setInputView(_emojiPane);
break;
case SWITCH_BACK_EMOJI:
setInputView(_keyboardView);
break;
case CHANGE_METHOD:
get_imm().showInputMethodPicker();
break;
case CHANGE_METHOD_PREV:
if (VERSION.SDK_INT < 28)
get_imm().switchToLastInputMethod(getConnectionToken());
else
switchToPreviousInputMethod();
break;
case ACTION:
InputConnection conn = getCurrentInputConnection();
if (conn != null)
conn.performEditorAction(actionId);
break;
case SWITCH_SECOND:
if (_config.second_layout != null)
setTextLayout(Current_text_layout.SECONDARY);
break;
case SWITCH_SECOND_BACK:
setTextLayout(Current_text_layout.PRIMARY);
break;
case SWITCH_GREEKMATH:
setSpecialLayout(_config.modify_numpad(loadLayout(R.xml.greekmath)));
break;
case CAPS_LOCK:
set_shift_state(true, true);
break;
case SWITCH_VOICE_TYPING:
SimpleEntry<String, InputMethodSubtype> im = get_voice_typing_im(get_imm());
if (im == null)
return;
// Best-effort. Good enough for triggering Google's voice typing.
if (VERSION.SDK_INT < 28)
switchInputMethod(im.getKey());
else
switchInputMethod(im.getKey(), im.getValue());
break;
}
}
public void set_shift_state(boolean state, boolean lock)
{
_keyboardView.set_shift_state(state, lock);
}
public InputConnection getCurrentInputConnection()
{
return Keyboard2.this.getCurrentInputConnection();
}
}
private IBinder getConnectionToken()
{
return getWindow().getWindow().getAttributes().token;
}
private View inflate_view(int layout)
{
return View.inflate(new ContextThemeWrapper(this, _config.theme), layout, null);
}
private static enum Current_text_layout
{
PRIMARY,
SECONDARY
}
}