1 files changed, 209 insertions, 0 deletions
diff --git a/sal/android/libreofficekit-jni.c b/sal/android/libreofficekit-jni.c
new file mode 100644
index 000000000..08827df54
--- /dev/null
+++ b/sal/android/libreofficekit-jni.c
@@ -0,0 +1,209 @@
+/* -*- Mode: C; 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/.
+ */
+
+#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <jni.h>
+
+#include <android/log.h>
+#include <android/asset_manager.h>
+#include <android/asset_manager_jni.h>
+
+#include <osl/detail/android-bootstrap.h>
+
+#include <LibreOfficeKit/LibreOfficeKit.h>
+
+#define LOGI(...) ((void)__android_log_print(ANDROID_LOG_INFO, "LibreOfficeKit", __VA_ARGS__))
+#define LOGE(...) ((void)__android_log_print(ANDROID_LOG_ERROR, "LibreOfficeKit", __VA_ARGS__))
+
+/* These are valid / used in all apps. */
+extern const char* data_dir;
+extern const char* cache_dir;
+extern void* apk_file;
+extern int apk_file_size;
+AAssetManager* native_asset_manager;
+
+extern void Java_org_libreoffice_android_Bootstrap_putenv(JNIEnv* env, jobject clazz, jstring string);
+extern void Java_org_libreoffice_android_Bootstrap_redirect_1stdio(JNIEnv* env, jobject clazz, jboolean state);
+
+extern LibreOfficeKit* libreofficekit_hook(const char* install_path);
+
+static char *full_program_dir = NULL;
+
+/// Call the same method from Bootstrap.
+__attribute__ ((visibility("default")))
+void
+Java_org_libreoffice_kit_LibreOfficeKit_putenv
+    (JNIEnv* env, jobject clazz, jstring string)
+{
+    Java_org_libreoffice_android_Bootstrap_putenv(env, clazz, string);
+}
+
+/// Call the same method from Bootstrap.
+__attribute__ ((visibility("default")))
+void Java_org_libreoffice_kit_LibreOfficeKit_redirectStdio
+    (JNIEnv* env, jobject clazz, jboolean state)
+{
+    Java_org_libreoffice_android_Bootstrap_redirect_1stdio(env, clazz, state);
+}
+
+/// Initialize the LibreOfficeKit.
+__attribute__ ((visibility("default")))
+jboolean libreofficekit_initialize(JNIEnv* env,
+     jstring dataDir, jstring cacheDir, jstring apkFile, jobject assetManager)
+{
+    struct stat st;
+    int fd;
+    const char *dataDirPath;
+    const char *cacheDirPath;
+    const char *apkFilePath;
+
+    size_t data_dir_len;
+    const char fontsConf[] = "/etc/fonts/fonts.conf";
+    char *fontsConfPath;
+
+    setenv("OOO_DISABLE_RECOVERY", "1", 1);
+
+    native_asset_manager = AAssetManager_fromJava(env, assetManager);
+
+    dataDirPath = (*env)->GetStringUTFChars(env, dataDir, NULL);
+    data_dir = strdup(dataDirPath);
+    (*env)->ReleaseStringUTFChars(env, dataDir, dataDirPath);
+
+    cacheDirPath = (*env)->GetStringUTFChars(env, cacheDir, NULL);
+    cache_dir = strdup(cacheDirPath);
+    (*env)->ReleaseStringUTFChars(env, cacheDir, cacheDirPath);
+
+    // TMPDIR is used by osl_getTempDirURL()
+    setenv("TMPDIR", cache_dir, 1);
+
+    data_dir_len = strlen(data_dir);
+    fontsConfPath = malloc(data_dir_len + sizeof(fontsConf));
+    strncpy(fontsConfPath, data_dir, data_dir_len);
+    strncpy(fontsConfPath + data_dir_len, fontsConf, sizeof(fontsConf));
+
+    fd = open(fontsConfPath, O_RDONLY);
+    if (fd != -1) {
+        close(fd);
+        LOGI("Setting FONTCONFIG_FILE to %s", fontsConfPath);
+        setenv("FONTCONFIG_FILE", fontsConfPath, 1);
+        // DEBUG:
+        //setenv("FC_DEBUG", "8191", 1); // log everything
+        //Java_org_libreoffice_android_Bootstrap_redirect_1stdio(NULL, NULL, JNI_TRUE);
+    }
+    free(fontsConfPath);
+
+    apkFilePath =  (*env)->GetStringUTFChars(env, apkFile, NULL);
+
+    fd = open(apkFilePath, O_RDONLY);
+    if (fd == -1) {
+        LOGE("Could not open %s", apkFilePath);
+        (*env)->ReleaseStringUTFChars(env, apkFile, apkFilePath);
+        return JNI_FALSE;
+    }
+    if (fstat(fd, &st) == -1) {
+        LOGE("Could not fstat %s", apkFilePath);
+        close(fd);
+        (*env)->ReleaseStringUTFChars(env, apkFile, apkFilePath);
+        return JNI_FALSE;
+    }
+    apk_file = mmap(NULL, st.st_size, PROT_READ, MAP_SHARED, fd, 0);
+    close(fd);
+
+    if (apk_file == MAP_FAILED) {
+        LOGE("Could not mmap %s", apkFilePath);
+        (*env)->ReleaseStringUTFChars(env, apkFile, apkFilePath);
+        return JNI_FALSE;
+    }
+    apk_file_size = st.st_size;
+
+    (*env)->ReleaseStringUTFChars(env, apkFile, apkFilePath);
+
+    if (!setup_cdir())
+    {
+        LOGE("setup_cdir failed");
+        return JNI_FALSE;
+    }
+
+    if (!setup_assets_tree())
+    {
+        LOGE("setup_assets_tree failed");
+        return JNI_FALSE;
+    }
+
+    LOGI("LibreOfficeKit: libreofficekit_initialize finished");
+
+    return JNI_TRUE;
+}
+
+/// Initialize the LibreOfficeKit.
+__attribute__ ((visibility("default")))
+jboolean Java_org_libreoffice_kit_LibreOfficeKit_initializeNative
+    (JNIEnv* env, jobject clazz,
+     jstring dataDir, jstring cacheDir, jstring apkFile, jobject assetManager)
+{
+    const char program_dir[] = "/program";
+    size_t data_dir_len;
+
+    (void) clazz;
+
+    libreofficekit_initialize(env, dataDir, cacheDir, apkFile, assetManager);
+
+    // LibreOfficeKit expects a path to the program/ directory
+    free(full_program_dir);
+    data_dir_len = strlen(data_dir);
+    full_program_dir = malloc(data_dir_len + sizeof(program_dir));
+
+    strncpy(full_program_dir, data_dir, data_dir_len);
+    strncpy(full_program_dir + data_dir_len, program_dir, sizeof(program_dir));
+
+    // Initialize LibreOfficeKit
+    if (!libreofficekit_hook(full_program_dir))
+    {
+        LOGE("libreofficekit_hook returned null");
+        return JNI_FALSE;
+    }
+
+    LOGI("LibreOfficeKit successfully initialized");
+
+    return JNI_TRUE;
+}
+
+__attribute__ ((visibility("default")))
+jobject Java_org_libreoffice_kit_LibreOfficeKit_getLibreOfficeKitHandle
+    (JNIEnv* env, jobject clazz)
+{
+    LibreOfficeKit* aOffice;
+
+    (void) env;
+    (void) clazz;
+
+    aOffice = libreofficekit_hook(full_program_dir);
+
+    return (*env)->NewDirectByteBuffer(env, (void*) aOffice, sizeof(LibreOfficeKit));
+}
+
+__attribute__ ((visibility("default")))
+AAssetManager *
+lo_get_native_assetmgr(void)
+{
+    return native_asset_manager;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */