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emacs/java/org/gnu/emacs/EmacsClipboard.java
Po Lu 2451456695 Fix compatibility issues with Android clipboards
* java/org/gnu/emacs/EmacsClipboard.java (getClipboardData):
Return an AssetFileDescriptor.

* java/org/gnu/emacs/EmacsContextMenu.java (onMenuItemClick):
Typo corrections in commentary.

* java/org/gnu/emacs/EmacsOpenActivity.java (onCreate): Raise
minimum version on which to read file descriptors from
ParcelFileDescriptor objects to Honeycomb.

* java/org/gnu/emacs/EmacsSdk11Clipboard.java
(getClipboardData): Return the asset file descriptor.

* java/org/gnu/emacs/EmacsSdk8Clipboard.java (getClipboardData):
Adjust return type to match.

* src/android.h (struct android_parcel_file_descriptor_class):
Move from androidselect.c.

* src/androidselect.c (fd_class): Export function.
(android_init_emacs_clipboard): Adjust signature of
getClipboardData.
(android_init_asset_file_descriptor, close_asset_fd)
(extract_fd_offsets): New functions.
(Fandroid_get_clipboard_data): Extract file descriptor and
offset from the AssetFileDescriptor here, rather than in
getClipboardData.
(init_androidselect): Call android_init_asset_file_descriptor.

* src/androidvfs.c (android_init_fd_class): Export and enable
calling this function more than once.
2024-05-01 11:46:31 +08:00

48 lines
1.6 KiB
Java

/* Communication module for Android terminals. -*- c-file-style: "GNU" -*-
Copyright (C) 2023-2024 Free Software Foundation, Inc.
This file is part of GNU Emacs.
GNU Emacs is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or (at
your option) any later version.
GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>. */
package org.gnu.emacs;
import android.content.res.AssetFileDescriptor;
import android.os.Build;
/* This class provides helper code for accessing the clipboard,
abstracting between the different interfaces on API 8 and 11. */
public abstract class EmacsClipboard
{
public abstract void setClipboard (byte[] bytes);
public abstract int ownsClipboard ();
public abstract boolean clipboardExists ();
public abstract byte[] getClipboard ();
public abstract byte[][] getClipboardTargets ();
public abstract AssetFileDescriptor getClipboardData (byte[] target);
/* Create the correct kind of clipboard for this system. */
public static EmacsClipboard
makeClipboard ()
{
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB)
return new EmacsSdk11Clipboard ();
else
return new EmacsSdk8Clipboard ();
}
};