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// -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
//
// This file is part of the LibreOffice project.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
//
package org.libreoffice.android;
import android.app.Activity;
import android.content.pm.ApplicationInfo;
import android.util.Log;
import java.io.File;
import java.io.InputStream;
import java.nio.ByteBuffer;
import java.util.Arrays;
// final because subclassing would be meaningless.
public final class Bootstrap
{
// private constructor because instantiating would be meaningless
private Bootstrap()
{
}
private static String TAG = "lo-bootstrap";
// Native methods in this class are all implemented in
// sal/android/lo-bootstrap.c as the lo-bootstrap library is loaded with
// System.loadLibrary() and Android's JNI works only to such libraries, it
// seems.
private static native boolean setup(String dataDir,
String cacheDir,
String apkFile);
// Extracts files in the .apk that need to be extraced into the app's tree
static native void extract_files();
// Wrapper for getpid()
public static native int getpid();
// Wrapper for system()
public static native void system(String cmdline);
// Wrapper for putenv()
public static native void putenv(String string);
// A wrapper for InitVCL() in libvcl (svmain.cxx), called indirectly
// through the lo-bootstrap library
public static native void initVCL();
// A wrapper for osl_setCommandArgs(). Before calling
// osl_setCommandArgs(), argv[0] is prefixed with the parent directory of
// where the lo-bootstrap library is.
public static native void setCommandArgs(String[] argv);
// A method that starts a thread to redirect stdout and stderr writes to
// the Android logging mechanism, or stops the redirection.
public static native boolean redirect_stdio(boolean state);
// The DIB returned by css.awt.XBitmap.getDIB is in BGR_888 form, at least
// for Writer documents. We need it in Android's Bitmap.Config.ARGB_888
// format, which actually is RGBA_888, whee... At least in Android 4.0.3,
// at least on my device. No idea if it is always like that or not, the
// documentation sucks.
public static native void twiddle_BGR_to_RGBA(byte[] source, int offset, int width, int height, ByteBuffer destination);
public static native void force_full_alpha_array(byte[] array, int offset, int length);
public static native void force_full_alpha_bb(ByteBuffer buffer, int offset, int length);
public static native long new_byte_buffer_wrapper(ByteBuffer bbuffer);
public static native void delete_byte_buffer_wrapper(long bbw);
static boolean setup_done = false;
// This setup() method should be called from the upper Java level of
// LO-based apps.
public static synchronized void setup(Activity activity)
{
if (setup_done)
return;
setup_done = true;
String dataDir = null;
ApplicationInfo ai = activity.getApplicationInfo();
dataDir = ai.dataDir;
Log.i(TAG, String.format("dataDir=%s\n", dataDir));
redirect_stdio(true);
if (!setup(dataDir,
activity.getApplication().getCacheDir().getAbsolutePath(),
activity.getApplication().getPackageResourcePath()))
return;
// Extract files from the .apk that can't be used mmapped directly from it
extract_files();
// If we notice that a fonts.conf file was extracted, automatically
// set the FONTCONFIG_FILE env var.
InputStream i;
try {
i = activity.getAssets().open("unpack/etc/fonts/fonts.conf");
}
catch (java.io.IOException e) {
i = null;
}
putenv("OOO_DISABLE_RECOVERY=1");
if (i != null)
putenv("FONTCONFIG_FILE=" + dataDir + "/etc/fonts/fonts.conf");
// TMPDIR is used by osl_getTempDirURL()
putenv("TMPDIR=" + activity.getCacheDir().getAbsolutePath());
}
// Now with static loading we always have all native code in one native
// library which we always call liblo-native-code.so, regardless of the
// app. The library has already been unpacked into /data/data/<app
// name>/lib at installation time by the package manager.
static {
System.loadLibrary("lo-native-code");
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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