93 lines
2.4 KiB
Java
93 lines
2.4 KiB
Java
package eu.siacs.conversations.ui;
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import android.content.Context;
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import android.os.Handler;
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import android.util.AttributeSet;
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import android.view.KeyEvent;
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import android.widget.EditText;
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import eu.siacs.conversations.Config;
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public class EditMessage extends EditText {
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public EditMessage(Context context, AttributeSet attrs) {
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super(context, attrs);
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}
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public EditMessage(Context context) {
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super(context);
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}
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protected Handler mTypingHandler = new Handler();
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protected Runnable mTypingTimeout = new Runnable() {
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@Override
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public void run() {
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if (isUserTyping && keyboardListener != null) {
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keyboardListener.onTypingStopped();
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isUserTyping = false;
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}
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}
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};
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private boolean isUserTyping = false;
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private boolean lastInputWasTab = false;
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protected KeyboardListener keyboardListener;
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@Override
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public boolean onKeyDown(int keyCode, KeyEvent e) {
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if (keyCode == KeyEvent.KEYCODE_ENTER && !e.isShiftPressed()) {
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lastInputWasTab = false;
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if (keyboardListener != null && keyboardListener.onEnterPressed()) {
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return true;
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}
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} else if (keyCode == KeyEvent.KEYCODE_TAB && !e.isAltPressed() && !e.isCtrlPressed()) {
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if (keyboardListener != null && keyboardListener.onTabPressed(this.lastInputWasTab)) {
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lastInputWasTab = true;
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return true;
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}
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} else {
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lastInputWasTab = false;
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}
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return super.onKeyDown(keyCode, e);
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}
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@Override
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public void onTextChanged(CharSequence text, int start, int lengthBefore, int lengthAfter) {
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super.onTextChanged(text,start,lengthBefore,lengthAfter);
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lastInputWasTab = false;
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if (this.mTypingHandler != null && this.keyboardListener != null) {
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this.mTypingHandler.removeCallbacks(mTypingTimeout);
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this.mTypingHandler.postDelayed(mTypingTimeout, Config.TYPING_TIMEOUT * 1000);
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final int length = text.length();
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if (!isUserTyping && length > 0) {
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this.isUserTyping = true;
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this.keyboardListener.onTypingStarted();
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} else if (length == 0) {
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this.isUserTyping = false;
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this.keyboardListener.onTextDeleted();
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}
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this.keyboardListener.onTextChanged();
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}
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}
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public void setKeyboardListener(KeyboardListener listener) {
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this.keyboardListener = listener;
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if (listener != null) {
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this.isUserTyping = false;
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}
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}
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public interface KeyboardListener {
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boolean onEnterPressed();
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void onTypingStarted();
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void onTypingStopped();
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void onTextDeleted();
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void onTextChanged();
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boolean onTabPressed(boolean repeated);
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}
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}
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