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https://github.com/fankes/termux-app.git
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Rename TerminalKeyListener to TerminalViewClient
This commit is contained in:
Fredrik Fornwall
218
float/src/main/java/com/termux/window/TermuxFloatViewClient.java
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218
float/src/main/java/com/termux/window/TermuxFloatViewClient.java
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@@ -0,0 +1,218 @@
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package com.termux.window;
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import android.content.Context;
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import android.media.AudioManager;
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import android.view.InputDevice;
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import android.view.KeyEvent;
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import android.view.MotionEvent;
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import android.view.inputmethod.InputMethodManager;
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import com.termux.terminal.KeyHandler;
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import com.termux.terminal.TerminalEmulator;
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import com.termux.terminal.TerminalSession;
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import com.termux.view.TerminalViewClient;
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public class TermuxFloatViewClient implements TerminalViewClient {
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private final TermuxFloatView view;
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/**
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* Keeping track of the special keys acting as Ctrl and Fn for the soft keyboard and other hardware keys.
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*/
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boolean mVirtualControlKeyDown, mVirtualFnKeyDown;
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public TermuxFloatViewClient(TermuxFloatView view) {
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this.view = view;
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}
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@Override
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public float onScale(float scale) {
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if (scale < 0.9f || scale > 1.1f) {
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boolean increase = scale > 1.f;
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((TermuxFloatService) view.getContext()).changeFontSize(increase);
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return 1.0f;
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}
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return scale;
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}
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@Override
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public boolean onLongPress(MotionEvent event) {
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view.updateLongPressMode(true);
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view.initialX = view.layoutParams.x;
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view.initialY = view.layoutParams.y;
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view.initialTouchX = event.getRawX();
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view.initialTouchY = event.getRawY();
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return true;
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}
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@Override
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public void onSingleTapUp(MotionEvent e) {
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// Do nothing.
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}
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@Override
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public boolean shouldBackButtonBeMappedToEscape() {
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return false;
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}
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@Override
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public void copyModeChanged(boolean copyMode) {
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}
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@Override
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public boolean onKeyDown(int keyCode, KeyEvent e, TerminalSession session) {
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if (handleVirtualKeys(keyCode, e, true)) return true;
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if (e.isCtrlPressed() && e.isAltPressed()) {
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// Get the unmodified code point:
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int unicodeChar = e.getUnicodeChar(0);
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if (keyCode == KeyEvent.KEYCODE_DPAD_DOWN || unicodeChar == 'n'/* next */) {
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// TODO: Toggle minimized or not.
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} else if (unicodeChar == 'f'/* full screen */) {
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// TODO: Toggle full screen.
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} else if (unicodeChar == 'k'/* keyboard */) {
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InputMethodManager imm = (InputMethodManager) view.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
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imm.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0);
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}
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return true;
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}
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return false;
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}
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@Override
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public boolean onKeyUp(int keyCode, KeyEvent e) {
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return handleVirtualKeys(keyCode, e, false);
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}
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@Override
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public boolean readControlKey() {
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return mVirtualControlKeyDown;
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}
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@Override
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public boolean readAltKey() {
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return false;
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}
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@Override
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public boolean onCodePoint(int codePoint, boolean ctrlDown, TerminalSession session) {
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if (mVirtualFnKeyDown) {
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int resultingKeyCode = -1;
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int resultingCodePoint = -1;
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boolean altDown = false;
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int lowerCase = Character.toLowerCase(codePoint);
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switch (lowerCase) {
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// Arrow keys.
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case 'w':
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resultingKeyCode = KeyEvent.KEYCODE_DPAD_UP;
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break;
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case 'a':
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resultingKeyCode = KeyEvent.KEYCODE_DPAD_LEFT;
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break;
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case 's':
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resultingKeyCode = KeyEvent.KEYCODE_DPAD_DOWN;
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break;
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case 'd':
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resultingKeyCode = KeyEvent.KEYCODE_DPAD_RIGHT;
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break;
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// Page up and down.
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case 'p':
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resultingKeyCode = KeyEvent.KEYCODE_PAGE_UP;
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break;
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case 'n':
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resultingKeyCode = KeyEvent.KEYCODE_PAGE_DOWN;
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break;
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// Some special keys:
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case 't':
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resultingKeyCode = KeyEvent.KEYCODE_TAB;
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break;
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case 'i':
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resultingKeyCode = KeyEvent.KEYCODE_INSERT;
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break;
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case 'h':
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resultingCodePoint = '~';
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break;
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// Special characters to input.
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case 'u':
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resultingCodePoint = '_';
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break;
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case 'l':
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resultingCodePoint = '|';
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break;
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// Function keys.
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case '1':
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case '2':
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case '3':
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case '4':
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case '5':
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case '6':
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case '7':
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case '8':
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case '9':
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resultingKeyCode = (codePoint - '1') + KeyEvent.KEYCODE_F1;
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break;
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case '0':
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resultingKeyCode = KeyEvent.KEYCODE_F10;
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break;
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// Other special keys.
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case 'e':
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resultingCodePoint = /*Escape*/ 27;
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break;
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case '.':
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resultingCodePoint = /*^.*/ 28;
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break;
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case 'b': // alt+b, jumping backward in readline.
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case 'f': // alf+f, jumping forward in readline.
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case 'x': // alt+x, common in emacs.
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resultingCodePoint = lowerCase;
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altDown = true;
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break;
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// Volume control.
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case 'v':
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resultingCodePoint = -1;
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AudioManager audio = (AudioManager) view.getContext().getSystemService(Context.AUDIO_SERVICE);
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audio.adjustSuggestedStreamVolume(AudioManager.ADJUST_SAME, AudioManager.USE_DEFAULT_STREAM_TYPE, AudioManager.FLAG_SHOW_UI);
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break;
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}
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if (resultingKeyCode != -1) {
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TerminalEmulator term = session.getEmulator();
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session.write(KeyHandler.getCode(resultingKeyCode, 0, term.isCursorKeysApplicationMode(), term.isKeypadApplicationMode()));
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} else if (resultingCodePoint != -1) {
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session.writeCodePoint(altDown, resultingCodePoint);
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}
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return true;
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}
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return false;
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}
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/**
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* Handle dedicated volume buttons as virtual keys if applicable.
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*/
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private boolean handleVirtualKeys(int keyCode, KeyEvent event, boolean down) {
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InputDevice inputDevice = event.getDevice();
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if (inputDevice != null && inputDevice.getKeyboardType() == InputDevice.KEYBOARD_TYPE_ALPHABETIC) {
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// Do not steal dedicated buttons from a full external keyboard.
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return false;
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} else if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
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mVirtualControlKeyDown = down;
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return true;
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} else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
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mVirtualFnKeyDown = down;
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return true;
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}
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return false;
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}
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}
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