Unexpected-Keyboard/srcs/juloo.keyboard2/Keyboard2.java
Jules Aguillon 90b7944129 Apply modify_layout to text layout only
Refactor. Allows to remove the 'extra_keys' and 'num_pad' flags and to
implement more complicated transformations to the layouts.
2023-01-30 22:33:01 +01:00

396 lines
12 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.ContextThemeWrapper;
import android.view.KeyEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewParent;
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 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.
private KeyboardData _localeTextLayout;
private ViewGroup _emojiPane = null;
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());
}
@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 refreshSubtypeLayout(InputMethodSubtype subtype)
{
String s = subtype.getExtraValueOf("default_layout");
if (s != null)
_localeTextLayout = _config.layout_of_string(getResources(), s);
else
_localeTextLayout = KeyboardData.load(getResources(), R.xml.qwerty);
}
private void extra_keys_of_subtype(Set<KeyValue> dst, InputMethodSubtype subtype)
{
String extra_keys = subtype.getExtraValueOf("extra_keys");
if (extra_keys == null)
return;
String[] ks = extra_keys.split("\\|");
for (int i = 0; i < ks.length; i++)
dst.add(KeyValue.getKeyByName(ks[i]));
}
private void refreshAccentsOption(InputMethodManager imm, InputMethodSubtype subtype)
{
HashSet<KeyValue> extra_keys = new HashSet<KeyValue>();
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;
}
private void refreshSubtypeLegacyFallback()
{
// Fallback for the accents option: Only respect the "None" case
switch (_config.accents)
{
case 1: case 2: case 3: _config.extra_keys_subtype = null; break;
case 4: _config.extra_keys_subtype = new HashSet<KeyValue>(); break;
}
}
private void refreshSubtypeImm()
{
InputMethodManager imm = (InputMethodManager)getSystemService(Context.INPUT_METHOD_SERVICE);
if (VERSION.SDK_INT < 28)
_config.shouldOfferSwitchingToNextInputMethod = true;
else
_config.shouldOfferSwitchingToNextInputMethod = shouldOfferSwitchingToNextInputMethod();
if (VERSION.SDK_INT < 12)
{
// Subtypes won't work well under API level 12 (getExtraValueOf)
refreshSubtypeLegacyFallback();
}
else
{
InputMethodSubtype subtype = imm.getCurrentInputMethodSubtype();
if (subtype == null)
{
// On some rare cases, [subtype] is null.
refreshSubtypeLegacyFallback();
}
else
{
refreshSubtypeLayout(subtype);
refreshAccentsOption(imm, subtype);
}
}
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();
_keyeventhandler.actionId = info.actionId;
_config.swapEnterActionKey = false;
}
else
{
int action = info.imeOptions & EditorInfo.IME_MASK_ACTION;
_config.actionLabel = actionLabel_of_imeAction(action); // Might be null
_keyeventhandler.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();
}
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 = KeyboardData.load_pin_entry(getResources());
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);
}
@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 switchToNextInputMethod()
{
InputMethodManager imm = (InputMethodManager)getSystemService(INPUT_METHOD_SERVICE);
imm.showInputMethodPicker();
// deprecated in version 28: imm.switchToNextInputMethod(getConnectionToken(), false);
// added in version 28: switchToNextInputMethod(false);
}
public void setPane_emoji()
{
if (_emojiPane == null)
_emojiPane = (ViewGroup)inflate_view(R.layout.emoji_pane);
setInputView(_emojiPane);
}
public void setPane_normal()
{
setInputView(_keyboardView);
}
public void set_shift_state(boolean state, boolean lock)
{
_keyboardView.set_shift_state(state, lock);
}
public void switch_text()
{
_currentSpecialLayout = null;
_keyboardView.setKeyboard(current_layout());
}
public void switch_layout(int layout_id)
{
_keyboardView.setKeyboard(KeyboardData.load(getResources(), layout_id));
}
public void switch_second()
{
if (_config.second_layout != null)
setTextLayout(Current_text_layout.SECONDARY);
}
public void switch_primary()
{
setTextLayout(Current_text_layout.PRIMARY);
}
public void showKeyboardConfig()
{
Intent intent = new Intent(Keyboard2.this, SettingsActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
}
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
}
}