Unexpected-Keyboard/srcs/juloo.keyboard2/Keyboard2.java
2023-12-30 01:24:21 +01:00

455 lines
14 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.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
public class Keyboard2 extends InputMethodService
implements SharedPreferences.OnSharedPreferenceChangeListener
{
private Keyboard2View _keyboardView;
private KeyEventHandler _keyeventhandler;
/** If not 'null', the layout to use instead of [_config.current_layout]. */
private KeyboardData _currentSpecialLayout;
/** 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;
/** Layout currently visible before it has been modified. */
KeyboardData current_layout_unmodified()
{
if (_currentSpecialLayout != null)
return _currentSpecialLayout;
KeyboardData layout = null;
int layout_i = _config.get_current_layout();
if (layout_i >= _config.layouts.size())
layout_i = 0;
if (layout_i < _config.layouts.size())
layout = _config.layouts.get(layout_i);
if (layout == null)
layout = _localeTextLayout;
return layout;
}
/** Layout currently visible. */
KeyboardData current_layout()
{
if (_currentSpecialLayout != null)
return _currentSpecialLayout;
return _config.modify_layout(current_layout_unmodified());
}
void setTextLayout(int l)
{
_config.set_current_layout(l);
_currentSpecialLayout = null;
_keyboardView.setKeyboard(current_layout());
}
void incrTextLayout(int delta)
{
int s = _config.layouts.size();
setTextLayout((_config.get_current_layout() + delta + s) % s);
}
void setSpecialLayout(KeyboardData l)
{
_currentSpecialLayout = l;
_keyboardView.setKeyboard(l);
}
KeyboardData loadLayout(int layout_id)
{
return KeyboardData.load(getResources(), layout_id);
}
/** Load a layout that contains a numpad (eg. the pin entry). */
KeyboardData loadNumpad(int layout_id)
{
return _config.modify_numpad(KeyboardData.load(getResources(), layout_id),
current_layout_unmodified());
}
@Override
public void onCreate()
{
super.onCreate();
KeyboardData.init(getResources());
SharedPreferences prefs = DirectBootAwarePreferences.get_shared_preferences(this);
_keyeventhandler = new KeyEventHandler(getMainLooper(), this.new Receiver());
Config.initGlobalConfig(prefs, getResources(), _keyeventhandler);
prefs.registerOnSharedPreferenceChangeListener(this);
_config = Config.globalConfig();
_keyboardView = (Keyboard2View)inflate_view(R.layout.keyboard);
_keyboardView.reset();
Logs.set_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 ExtraKeys extra_keys_of_subtype(InputMethodSubtype subtype)
{
String extra_keys = subtype.getExtraValueOf("extra_keys");
String script = subtype.getExtraValueOf("script");
if (extra_keys != null)
return ExtraKeys.parse(script, extra_keys);
return ExtraKeys.EMPTY;
}
private void refreshAccentsOption(InputMethodManager imm, InputMethodSubtype subtype)
{
List<InputMethodSubtype> enabled_subtypes = getEnabledSubtypes(imm);
List<ExtraKeys> extra_keys = new ArrayList<ExtraKeys>();
// Gather extra keys from all enabled subtypes
extra_keys.add(extra_keys_of_subtype(subtype));
for (InputMethodSubtype s : enabled_subtypes)
extra_keys.add(extra_keys_of_subtype(s));
_config.extra_keys_subtype = ExtraKeys.merge(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 = true;
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 = LayoutsPreference.layout_of_string(getResources(), s);
refreshAccentsOption(imm, subtype);
}
}
if (default_layout == null)
default_layout = loadLayout(R.xml.latn_qwerty_us);
_localeTextLayout = default_layout;
}
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();
}
private KeyboardData 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:
if (_config.pin_entry_enabled)
return loadNumpad(R.xml.pin);
else
return loadNumpad(R.xml.numeric);
default:
break;
}
return null;
}
@Override
public void onStartInputView(EditorInfo info, boolean restarting)
{
refresh_config();
refresh_action_label(info);
_currentSpecialLayout = refresh_special_layout(info);
_keyboardView.setKeyboard(current_layout());
_keyeventhandler.started(info);
setInputView(_keyboardView);
Logs.debug_startup_input_view(info, _config);
}
@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(loadNumpad(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_FORWARD:
incrTextLayout(1);
break;
case SWITCH_BACKWARD:
incrTextLayout(-1);
break;
case SWITCH_GREEKMATH:
setSpecialLayout(loadNumpad(R.xml.greekmath));
break;
case CAPS_LOCK:
set_shift_state(true, true);
break;
case SWITCH_VOICE_TYPING:
if (!VoiceImeSwitcher.switch_to_voice_ime(Keyboard2.this, get_imm(),
Config.globalPrefs()))
_config.shouldOfferVoiceTyping = false;
break;
case SWITCH_VOICE_TYPING_CHOOSER:
VoiceImeSwitcher.choose_voice_ime(Keyboard2.this, get_imm(),
Config.globalPrefs());
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);
}
}