package eu.siacs.conversations.ui.widget; import android.content.SharedPreferences; import android.preference.PreferenceManager; import android.support.v13.view.inputmethod.EditorInfoCompat; import android.support.v13.view.inputmethod.InputConnectionCompat; import android.support.v13.view.inputmethod.InputContentInfoCompat; import android.content.Context; import android.os.Build; import android.os.Bundle; import android.os.Handler; import android.text.Editable; import android.text.InputFilter; import android.text.InputType; import android.text.Spanned; import android.util.AttributeSet; import android.view.KeyEvent; import android.view.inputmethod.EditorInfo; import android.view.inputmethod.InputConnection; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; import eu.siacs.conversations.Config; import eu.siacs.conversations.R; public class EditMessage extends EmojiWrapperEditText { private static final InputFilter SPAN_FILTER = (source, start, end, dest, dstart, dend) -> source instanceof Spanned ? source.toString() : source; private final ExecutorService executor = Executors.newSingleThreadExecutor(); protected Handler mTypingHandler = new Handler(); protected KeyboardListener keyboardListener; private OnCommitContentListener mCommitContentListener = null; private String[] mimeTypes = null; private boolean isUserTyping = false; private final Runnable mTypingTimeout = new Runnable() { @Override public void run() { if (isUserTyping && keyboardListener != null) { keyboardListener.onTypingStopped(); isUserTyping = false; } } }; private boolean lastInputWasTab = false; public EditMessage(Context context, AttributeSet attrs) { super(context, attrs); } public EditMessage(Context context) { super(context); } @Override public boolean onKeyDown(int keyCode, KeyEvent e) { if (keyCode == KeyEvent.KEYCODE_ENTER && !e.isShiftPressed()) { lastInputWasTab = false; if (keyboardListener != null && keyboardListener.onEnterPressed()) { return true; } } else if (keyCode == KeyEvent.KEYCODE_TAB && !e.isAltPressed() && !e.isCtrlPressed()) { if (keyboardListener != null && keyboardListener.onTabPressed(this.lastInputWasTab)) { lastInputWasTab = true; return true; } } else { lastInputWasTab = false; } return super.onKeyDown(keyCode, e); } @Override public int getAutofillType() { return AUTOFILL_TYPE_NONE; } @Override public void onTextChanged(CharSequence text, int start, int lengthBefore, int lengthAfter) { super.onTextChanged(text, start, lengthBefore, lengthAfter); lastInputWasTab = false; if (this.mTypingHandler != null && this.keyboardListener != null) { executor.execute(() -> triggerKeyboardEvents(text.length())); } } private void triggerKeyboardEvents(final int length) { final KeyboardListener listener = this.keyboardListener; if (listener == null) { return; } this.mTypingHandler.removeCallbacks(mTypingTimeout); this.mTypingHandler.postDelayed(mTypingTimeout, Config.TYPING_TIMEOUT * 1000); if (!isUserTyping && length > 0) { this.isUserTyping = true; listener.onTypingStarted(); } else if (length == 0) { this.isUserTyping = false; listener.onTextDeleted(); } listener.onTextChanged(); } public void setKeyboardListener(KeyboardListener listener) { this.keyboardListener = listener; if (listener != null) { this.isUserTyping = false; } } @Override public boolean onTextContextMenuItem(int id) { if (id == android.R.id.paste) { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) { return super.onTextContextMenuItem(android.R.id.pasteAsPlainText); } else { Editable editable = getEditableText(); InputFilter[] filters = editable.getFilters(); InputFilter[] tempFilters = new InputFilter[filters != null ? filters.length + 1 : 1]; if (filters != null) { System.arraycopy(filters, 0, tempFilters, 1, filters.length); } tempFilters[0] = SPAN_FILTER; editable.setFilters(tempFilters); try { return super.onTextContextMenuItem(id); } finally { editable.setFilters(filters); } } } else { return super.onTextContextMenuItem(id); } } public void setRichContentListener(String[] mimeTypes, OnCommitContentListener listener) { this.mimeTypes = mimeTypes; this.mCommitContentListener = listener; } public void insertAsQuote(String text) { text = text.replaceAll("(\n *){2,}", "\n").replaceAll("(^|\n)", "$1> ").replaceAll("\n$", ""); Editable editable = getEditableText(); int position = getSelectionEnd(); if (position == -1) position = editable.length(); if (position > 0 && editable.charAt(position - 1) != '\n') { editable.insert(position++, "\n"); } editable.insert(position, text); position += text.length(); editable.insert(position++, "\n"); if (position < editable.length() && editable.charAt(position) != '\n') { editable.insert(position, "\n"); } setSelection(position); } @Override public InputConnection onCreateInputConnection(EditorInfo editorInfo) { final InputConnection ic = super.onCreateInputConnection(editorInfo); if (mimeTypes != null && mCommitContentListener != null && ic != null) { EditorInfoCompat.setContentMimeTypes(editorInfo, mimeTypes); return InputConnectionCompat.createWrapper(ic, editorInfo, (inputContentInfo, flags, opts) -> EditMessage.this.mCommitContentListener.onCommitContent(inputContentInfo, flags, opts, mimeTypes)); } else { return ic; } } public void refreshIme() { SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(getContext()); final boolean usingEnterKey = p.getBoolean("display_enter_key", getResources().getBoolean(R.bool.display_enter_key)); final boolean enterIsSend = p.getBoolean("enter_is_send", getResources().getBoolean(R.bool.enter_is_send)); if (usingEnterKey && enterIsSend) { setInputType(getInputType() & (~InputType.TYPE_TEXT_FLAG_MULTI_LINE)); setInputType(getInputType() & (~InputType.TYPE_TEXT_VARIATION_SHORT_MESSAGE)); } else if (usingEnterKey) { setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_MULTI_LINE); setInputType(getInputType() & (~InputType.TYPE_TEXT_VARIATION_SHORT_MESSAGE)); } else { setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_MULTI_LINE); setInputType(getInputType() | InputType.TYPE_TEXT_VARIATION_SHORT_MESSAGE); } } public interface OnCommitContentListener { boolean onCommitContent(InputContentInfoCompat inputContentInfo, int flags, Bundle opts, String[] mimeTypes); } public interface KeyboardListener { boolean onEnterPressed(); void onTypingStarted(); void onTypingStopped(); void onTextDeleted(); void onTextChanged(); boolean onTabPressed(boolean repeated); } }