forked from extern/Unexpected-Keyboard
484 lines
15 KiB
Java
484 lines
15 KiB
Java
package juloo.keyboard2;
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import android.annotation.TargetApi;
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import android.content.Context;
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import android.content.Intent;
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import android.content.SharedPreferences;
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import android.inputmethodservice.InputMethodService;
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import android.os.Build.VERSION;
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import android.os.IBinder;
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import android.text.InputType;
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import android.util.Log;
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import android.util.LogPrinter;
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import android.view.*;
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import android.view.inputmethod.EditorInfo;
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import android.view.inputmethod.InputConnection;
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import android.view.inputmethod.InputMethodInfo;
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import android.view.inputmethod.InputMethodManager;
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import android.view.inputmethod.InputMethodSubtype;
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import android.widget.FrameLayout;
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import android.widget.LinearLayout;
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import java.util.AbstractMap.SimpleEntry;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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import juloo.keyboard2.prefs.LayoutsPreference;
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public class Keyboard2 extends InputMethodService
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implements SharedPreferences.OnSharedPreferenceChangeListener
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{
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private Keyboard2View _keyboardView;
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private KeyEventHandler _keyeventhandler;
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/** If not 'null', the layout to use instead of [_config.current_layout]. */
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private KeyboardData _currentSpecialLayout;
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/** Layout associated with the currently selected locale. Not 'null'. */
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private KeyboardData _localeTextLayout;
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private ViewGroup _emojiPane = null;
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private ViewGroup _clipboard_pane = null;
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public int actionId; // Action performed by the Action key.
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private Config _config;
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/** Layout currently visible before it has been modified. */
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KeyboardData current_layout_unmodified()
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{
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if (_currentSpecialLayout != null)
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return _currentSpecialLayout;
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KeyboardData layout = null;
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int layout_i = _config.get_current_layout();
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if (layout_i >= _config.layouts.size())
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layout_i = 0;
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if (layout_i < _config.layouts.size())
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layout = _config.layouts.get(layout_i);
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if (layout == null)
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layout = _localeTextLayout;
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return layout;
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}
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/** Layout currently visible. */
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KeyboardData current_layout()
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{
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if (_currentSpecialLayout != null)
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return _currentSpecialLayout;
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return _config.modify_layout(current_layout_unmodified());
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}
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void setTextLayout(int l)
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{
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_config.set_current_layout(l);
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_currentSpecialLayout = null;
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_keyboardView.setKeyboard(current_layout());
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}
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void incrTextLayout(int delta)
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{
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int s = _config.layouts.size();
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setTextLayout((_config.get_current_layout() + delta + s) % s);
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}
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void setSpecialLayout(KeyboardData l)
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{
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_currentSpecialLayout = l;
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_keyboardView.setKeyboard(l);
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}
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KeyboardData loadLayout(int layout_id)
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{
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return KeyboardData.load(getResources(), layout_id);
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}
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/** Load a layout that contains a numpad. */
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KeyboardData loadNumpad(int layout_id)
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{
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return _config.modify_numpad(KeyboardData.load(getResources(), layout_id),
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current_layout_unmodified());
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}
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KeyboardData loadPinentry(int layout_id)
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{
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return _config.modify_pinentry(KeyboardData.load(getResources(), layout_id),
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current_layout_unmodified());
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}
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@Override
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public void onCreate()
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{
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super.onCreate();
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SharedPreferences prefs = DirectBootAwarePreferences.get_shared_preferences(this);
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_keyeventhandler = new KeyEventHandler(getMainLooper(), this.new Receiver());
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Config.initGlobalConfig(prefs, getResources(), _keyeventhandler);
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prefs.registerOnSharedPreferenceChangeListener(this);
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_config = Config.globalConfig();
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_keyboardView = (Keyboard2View)inflate_view(R.layout.keyboard);
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_keyboardView.reset();
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Logs.set_debug_logs(getResources().getBoolean(R.bool.debug_logs));
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ClipboardHistoryService.on_startup(this, _keyeventhandler);
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}
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private List<InputMethodSubtype> getEnabledSubtypes(InputMethodManager imm)
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{
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String pkg = getPackageName();
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for (InputMethodInfo imi : imm.getEnabledInputMethodList())
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if (imi.getPackageName().equals(pkg))
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return imm.getEnabledInputMethodSubtypeList(imi, true);
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return Arrays.asList();
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}
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@TargetApi(12)
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private ExtraKeys extra_keys_of_subtype(InputMethodSubtype subtype)
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{
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String extra_keys = subtype.getExtraValueOf("extra_keys");
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String script = subtype.getExtraValueOf("script");
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if (extra_keys != null)
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return ExtraKeys.parse(script, extra_keys);
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return ExtraKeys.EMPTY;
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}
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private void refreshAccentsOption(InputMethodManager imm, List<InputMethodSubtype> enabled_subtypes)
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{
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List<ExtraKeys> extra_keys = new ArrayList<ExtraKeys>();
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for (InputMethodSubtype s : enabled_subtypes)
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extra_keys.add(extra_keys_of_subtype(s));
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_config.extra_keys_subtype = ExtraKeys.merge(extra_keys);
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}
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InputMethodManager get_imm()
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{
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return (InputMethodManager)getSystemService(INPUT_METHOD_SERVICE);
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}
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@TargetApi(12)
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private InputMethodSubtype defaultSubtypes(InputMethodManager imm, List<InputMethodSubtype> enabled_subtypes)
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{
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if (VERSION.SDK_INT < 24)
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return imm.getCurrentInputMethodSubtype();
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// Android might return a random subtype, for example, the first in the
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// list alphabetically.
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InputMethodSubtype current_subtype = imm.getCurrentInputMethodSubtype();
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for (InputMethodSubtype s : enabled_subtypes)
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if (s.getLanguageTag().equals(current_subtype.getLanguageTag()))
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return s;
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return null;
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}
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private void refreshSubtypeImm()
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{
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InputMethodManager imm = get_imm();
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_config.shouldOfferVoiceTyping = true;
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KeyboardData default_layout = null;
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_config.extra_keys_subtype = null;
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if (VERSION.SDK_INT >= 12)
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{
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List<InputMethodSubtype> enabled_subtypes = getEnabledSubtypes(imm);
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InputMethodSubtype subtype = defaultSubtypes(imm, enabled_subtypes);
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if (subtype != null)
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{
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String s = subtype.getExtraValueOf("default_layout");
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if (s != null)
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default_layout = LayoutsPreference.layout_of_string(getResources(), s);
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refreshAccentsOption(imm, enabled_subtypes);
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}
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}
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if (default_layout == null)
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default_layout = loadLayout(R.xml.latn_qwerty_us);
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_localeTextLayout = default_layout;
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}
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private String actionLabel_of_imeAction(int action)
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{
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int res;
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switch (action)
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{
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case EditorInfo.IME_ACTION_NEXT: res = R.string.key_action_next; break;
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case EditorInfo.IME_ACTION_DONE: res = R.string.key_action_done; break;
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case EditorInfo.IME_ACTION_GO: res = R.string.key_action_go; break;
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case EditorInfo.IME_ACTION_PREVIOUS: res = R.string.key_action_prev; break;
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case EditorInfo.IME_ACTION_SEARCH: res = R.string.key_action_search; break;
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case EditorInfo.IME_ACTION_SEND: res = R.string.key_action_send; break;
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case EditorInfo.IME_ACTION_UNSPECIFIED:
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case EditorInfo.IME_ACTION_NONE:
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default: return null;
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}
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return getResources().getString(res);
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}
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private void refresh_action_label(EditorInfo info)
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{
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// First try to look at 'info.actionLabel', if it isn't set, look at
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// 'imeOptions'.
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if (info.actionLabel != null)
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{
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_config.actionLabel = info.actionLabel.toString();
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actionId = info.actionId;
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_config.swapEnterActionKey = false;
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}
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else
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{
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int action = info.imeOptions & EditorInfo.IME_MASK_ACTION;
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_config.actionLabel = actionLabel_of_imeAction(action); // Might be null
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actionId = action;
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_config.swapEnterActionKey =
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(info.imeOptions & EditorInfo.IME_FLAG_NO_ENTER_ACTION) == 0;
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}
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}
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/** Might re-create the keyboard view. [_keyboardView.setKeyboard()] and
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[setInputView()] must be called soon after. */
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private void refresh_config()
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{
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int prev_theme = _config.theme;
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_config.refresh(getResources());
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refreshSubtypeImm();
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// Refreshing the theme config requires re-creating the views
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if (prev_theme != _config.theme)
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{
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_keyboardView = (Keyboard2View)inflate_view(R.layout.keyboard);
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_emojiPane = null;
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_clipboard_pane = null;
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setInputView(_keyboardView);
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}
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_keyboardView.reset();
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}
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private KeyboardData refresh_special_layout(EditorInfo info)
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{
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switch (info.inputType & InputType.TYPE_MASK_CLASS)
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{
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case InputType.TYPE_CLASS_NUMBER:
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case InputType.TYPE_CLASS_PHONE:
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case InputType.TYPE_CLASS_DATETIME:
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if (_config.pin_entry_enabled)
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return loadPinentry(R.xml.pin);
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else
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return loadNumpad(R.xml.numeric);
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default:
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break;
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}
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return null;
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}
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@Override
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public void onStartInputView(EditorInfo info, boolean restarting)
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{
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refresh_config();
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refresh_action_label(info);
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_currentSpecialLayout = refresh_special_layout(info);
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_keyboardView.setKeyboard(current_layout());
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_keyeventhandler.started(info);
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setInputView(_keyboardView);
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Logs.debug_startup_input_view(info, _config);
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}
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@Override
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public void setInputView(View v)
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{
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ViewParent parent = v.getParent();
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if (parent != null && parent instanceof ViewGroup)
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((ViewGroup)parent).removeView(v);
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super.setInputView(v);
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updateSoftInputWindowLayoutParams();
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}
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@Override
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public void updateFullscreenMode() {
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super.updateFullscreenMode();
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updateSoftInputWindowLayoutParams();
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}
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private void updateSoftInputWindowLayoutParams() {
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final Window window = getWindow().getWindow();
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updateLayoutHeightOf(window, ViewGroup.LayoutParams.MATCH_PARENT);
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final View inputArea = window.findViewById(android.R.id.inputArea);
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updateLayoutHeightOf(
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(View) inputArea.getParent(),
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isFullscreenMode()
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? ViewGroup.LayoutParams.MATCH_PARENT
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: ViewGroup.LayoutParams.WRAP_CONTENT);
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updateLayoutGravityOf((View) inputArea.getParent(), Gravity.BOTTOM);
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}
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private static void updateLayoutHeightOf(final Window window, final int layoutHeight) {
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final WindowManager.LayoutParams params = window.getAttributes();
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if (params != null && params.height != layoutHeight) {
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params.height = layoutHeight;
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window.setAttributes(params);
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}
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}
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private static void updateLayoutHeightOf(final View view, final int layoutHeight) {
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final ViewGroup.LayoutParams params = view.getLayoutParams();
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if (params != null && params.height != layoutHeight) {
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params.height = layoutHeight;
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view.setLayoutParams(params);
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}
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}
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private static void updateLayoutGravityOf(final View view, final int layoutGravity) {
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final ViewGroup.LayoutParams lp = view.getLayoutParams();
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if (lp instanceof LinearLayout.LayoutParams) {
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final LinearLayout.LayoutParams params = (LinearLayout.LayoutParams) lp;
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if (params.gravity != layoutGravity) {
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params.gravity = layoutGravity;
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view.setLayoutParams(params);
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}
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} else if (lp instanceof FrameLayout.LayoutParams) {
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final FrameLayout.LayoutParams params = (FrameLayout.LayoutParams) lp;
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if (params.gravity != layoutGravity) {
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params.gravity = layoutGravity;
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view.setLayoutParams(params);
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}
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}
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}
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@Override
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public void onCurrentInputMethodSubtypeChanged(InputMethodSubtype subtype)
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{
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refreshSubtypeImm();
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_keyboardView.setKeyboard(current_layout());
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}
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@Override
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public void onUpdateSelection(int oldSelStart, int oldSelEnd, int newSelStart, int newSelEnd, int candidatesStart, int candidatesEnd)
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{
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super.onUpdateSelection(oldSelStart, oldSelEnd, newSelStart, newSelEnd, candidatesStart, candidatesEnd);
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_keyeventhandler.selection_updated(oldSelStart, newSelStart);
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}
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@Override
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public void onFinishInputView(boolean finishingInput)
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{
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super.onFinishInputView(finishingInput);
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_keyboardView.reset();
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}
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@Override
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public void onSharedPreferenceChanged(SharedPreferences _prefs, String _key)
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{
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refresh_config();
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_keyboardView.setKeyboard(current_layout());
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}
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@Override
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public boolean onEvaluateFullscreenMode()
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{
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/* Entirely disable fullscreen mode. */
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return false;
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}
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/** Not static */
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public class Receiver implements KeyEventHandler.IReceiver
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{
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public void handle_event_key(KeyValue.Event ev)
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{
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switch (ev)
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{
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case CONFIG:
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Intent intent = new Intent(Keyboard2.this, SettingsActivity.class);
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intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
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startActivity(intent);
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break;
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case SWITCH_TEXT:
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_currentSpecialLayout = null;
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_keyboardView.setKeyboard(current_layout());
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break;
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case SWITCH_NUMERIC:
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setSpecialLayout(loadNumpad(R.xml.numeric));
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break;
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case SWITCH_EMOJI:
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if (_emojiPane == null)
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_emojiPane = (ViewGroup)inflate_view(R.layout.emoji_pane);
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setInputView(_emojiPane);
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break;
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case SWITCH_CLIPBOARD:
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if (_clipboard_pane == null)
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_clipboard_pane = (ViewGroup)inflate_view(R.layout.clipboard_pane);
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setInputView(_clipboard_pane);
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break;
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case SWITCH_BACK_EMOJI:
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case SWITCH_BACK_CLIPBOARD:
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setInputView(_keyboardView);
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break;
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case CHANGE_METHOD_PICKER:
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get_imm().showInputMethodPicker();
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break;
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case CHANGE_METHOD_AUTO:
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if (VERSION.SDK_INT < 28)
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get_imm().switchToLastInputMethod(getConnectionToken());
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else
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switchToNextInputMethod(false);
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break;
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case ACTION:
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InputConnection conn = getCurrentInputConnection();
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if (conn != null)
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conn.performEditorAction(actionId);
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break;
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case SWITCH_FORWARD:
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incrTextLayout(1);
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break;
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case SWITCH_BACKWARD:
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incrTextLayout(-1);
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break;
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case SWITCH_GREEKMATH:
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setSpecialLayout(loadNumpad(R.xml.greekmath));
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break;
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case CAPS_LOCK:
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set_shift_state(true, true);
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break;
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case SWITCH_VOICE_TYPING:
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if (!VoiceImeSwitcher.switch_to_voice_ime(Keyboard2.this, get_imm(),
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Config.globalPrefs()))
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_config.shouldOfferVoiceTyping = false;
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break;
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case SWITCH_VOICE_TYPING_CHOOSER:
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VoiceImeSwitcher.choose_voice_ime(Keyboard2.this, get_imm(),
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Config.globalPrefs());
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break;
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}
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}
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public void set_shift_state(boolean state, boolean lock)
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{
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_keyboardView.set_shift_state(state, lock);
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}
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public void set_compose_pending(boolean pending)
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{
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_keyboardView.set_compose_pending(pending);
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}
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public InputConnection getCurrentInputConnection()
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{
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return Keyboard2.this.getCurrentInputConnection();
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}
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}
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private IBinder getConnectionToken()
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{
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return getWindow().getWindow().getAttributes().token;
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}
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private View inflate_view(int layout)
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{
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return View.inflate(new ContextThemeWrapper(this, _config.theme), layout, null);
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}
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}
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