mirror of git://git.sv.gnu.org/emacs.git
148 lines
3.5 KiB
Java
148 lines
3.5 KiB
Java
/* Communication module for Android terminals. -*- c-file-style: "GNU" -*-
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Copyright (C) 2023-2024 Free Software Foundation, Inc.
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This file is part of GNU Emacs.
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GNU Emacs is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at
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your option) any later version.
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GNU Emacs is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>. */
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package org.gnu.emacs;
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/* Importing the entire package instead of just the legacy
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ClipboardManager class avoids the deprecation warning. */
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import android.text.*;
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import android.content.Context;
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import android.util.Log;
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import java.io.UnsupportedEncodingException;
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/* This class implements EmacsClipboard for Android 2.2 and other
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similarly old systems. */
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@SuppressWarnings ("deprecation")
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public final class EmacsSdk8Clipboard extends EmacsClipboard
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{
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private static final String TAG = "EmacsSdk8Clipboard";
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private ClipboardManager manager;
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public
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EmacsSdk8Clipboard ()
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{
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String what;
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Context context;
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what = Context.CLIPBOARD_SERVICE;
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context = EmacsService.SERVICE;
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manager
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= (ClipboardManager) context.getSystemService (what);
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}
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/* Set the clipboard text to CLIPBOARD, a string in UTF-8
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encoding. */
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@Override
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public void
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setClipboard (byte[] bytes)
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{
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try
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{
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manager.setText (new String (bytes, "UTF-8"));
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}
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catch (UnsupportedEncodingException exception)
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{
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Log.w (TAG, "setClipboard: " + exception);
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}
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}
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/* Return whether or not Emacs owns the clipboard. Value is 1 if
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Emacs does, 0 if Emacs does not, and -1 if that information is
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unavailable. */
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@Override
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public int
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ownsClipboard ()
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{
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return -1;
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}
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/* Return whether or not clipboard content currently exists. */
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@Override
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public boolean
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clipboardExists ()
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{
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return manager.hasText ();
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}
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/* Return the current content of the clipboard, as plain text, or
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NULL if no content is available. */
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@Override
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public byte[]
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getClipboard ()
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{
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String string;
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CharSequence text;
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text = manager.getText ();
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if (text == null)
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return null;
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string = text.toString ();
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try
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{
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return string.getBytes ("UTF-8");
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}
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catch (UnsupportedEncodingException exception)
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{
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Log.w (TAG, "getClipboard: " + exception);
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}
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return null;
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}
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/* Return an array of targets currently provided by the
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clipboard, or NULL if there are none. */
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@Override
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public byte[][]
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getClipboardTargets ()
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{
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return null;
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}
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/* Return the clipboard data for the given target, or NULL if it
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does not exist.
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Value is normally an array of three longs: the file descriptor,
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the start offset of the data, and its length; length may be
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AssetFileDescriptor.UNKOWN_LENGTH, meaning that the data extends
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from that offset to the end of the file.
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Do not use this function to open text targets; use `getClipboard'
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for that instead, as it will handle selection data consisting
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solely of a URI. */
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@Override
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public long[]
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getClipboardData (byte[] target)
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{
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return null;
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}
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};
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