Refactor, make lo-bootstrap API usable from non-NativeActivity apps too

sal/osl/android/jni/lo-bootstrap.c

@@ -293,14 +293,14 @@ Java_org_libreoffice_android_Bootstrap_dlcall(JNIEnv* env,
     return 0;
 }
 
-// public native boolean setup(String dataDir,
+// public static native boolean setup(String dataDir,
 //                                    String apkFile,
 //                                    String[] ld_library_path);
 
 jboolean
 Java_org_libreoffice_android_Bootstrap_setup__Ljava_lang_String_2Ljava_lang_String_2_3Ljava_lang_String_2
     (JNIEnv* env,
-     jobject this,
+     jobject clazz,
      jstring dataDir,
      jstring apkFile,
      jobjectArray ld_library_path)
@@ -365,13 +365,13 @@ Java_org_libreoffice_android_Bootstrap_setup__Ljava_lang_String_2Ljava_lang_Stri
     return JNI_TRUE;
 }
 
-// public native boolean setup(int lo_main_ptr,
+// public statuc native boolean setup(int lo_main_ptr,
 //                                    Object lo_main_argument,
 //                                    int lo_main_delay);
 
 jboolean
 Java_org_libreoffice_android_Bootstrap_setup__ILjava_lang_Object_2I(JNIEnv* env,
-                                                                    jobject this,
+                                                                    jobject clazz,
                                                                     void *lo_main_ptr,
                                                                     jobject lo_main_argument,
                                                                     jint lo_main_delay)
@@ -983,6 +983,29 @@ patch(const char *symbol,
          ((((int) replacement_code - ((int) code + 8)) / 4) & 0x00FFFFFF));
 }
 
+static void
+patch_libgnustl_shared(void)
+{
+    patch("_ZNKSt9type_infoeqERKS_",
+          "std::type_info::operator==",
+          expected_operator_equals_r7_code,
+          sizeof(expected_operator_equals_r7_code),
+          &replacement_operator_equals_arm);
+
+    patch("_ZNKSt9type_info6beforeERKS_",
+          "std::type_info::before()",
+          expected_method_before_r7_code,
+          sizeof(expected_method_before_r7_code),
+          &replacement_method_before_arm);
+}
+
+void
+Java_org_libreoffice_android_Bootstrap_patch_libgnustl_shared(JNIEnv* env,
+                                                              jobject clazz)
+{
+    patch_libgnustl_shared();
+}
+
 JavaVM *
 lo_get_javavm(void)
 {
@@ -1008,17 +1031,7 @@ android_main(struct android_app* state)
     if (sleep_time != 0)
         sleep(sleep_time);
 
-    patch("_ZNKSt9type_infoeqERKS_",
+    patch_libgnustl_shared();
-          "std::type_info::operator==",
-          expected_operator_equals_r7_code,
-          sizeof(expected_operator_equals_r7_code),
-          &replacement_operator_equals_arm);
-
-    patch("_ZNKSt9type_info6beforeERKS_",
-          "std::type_info::before()",
-          expected_method_before_r7_code,
-          sizeof(expected_method_before_r7_code),
-          &replacement_method_before_arm);
 
     lo_main(lo_main_argc, lo_main_argv);
 

sal/osl/android/src/org/libreoffice/android/Bootstrap.java

@@ -28,6 +28,7 @@
 
 package org.libreoffice.android;
 
+import android.app.Activity;
 import android.app.NativeActivity;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
@@ -46,11 +47,11 @@ public class Bootstrap extends NativeActivity
 {
     private static String TAG = "lo-bootstrap";
 
-    public native boolean setup(String dataDir,
+    private static native boolean setup(String dataDir,
                                         String apkFile,
                                         String[] ld_library_path);
 
-    public native boolean setup(int lo_main_ptr,
+    public static native boolean setup(int lo_main_ptr,
                                        Object lo_main_argument,
                                        int lo_main_delay);
 
@@ -61,27 +62,23 @@ public class Bootstrap extends NativeActivity
     // This is just a wrapper for the C library dlsym().
     public static native int dlsym(int handle, String symbol);
 
+    // To be called after you are sure libgnustl_shared.so
+    // has been loaded
+    public static native void patch_libgnustl_shared();
+
     // Wrapper for getpid()
     public static native int getpid();
 
     // Wrapper for system()
     public static native void system(String cmdline);
 
-    @Override
+    public static void setup(Activity activity)
-    protected void onCreate(Bundle savedInstanceState)
     {
         String dataDir = null;
 
-        try {
+        ApplicationInfo ai = activity.getApplicationInfo();
-            ApplicationInfo ai = this.getPackageManager().getApplicationInfo
-                ("org.libreoffice.android",
-                 PackageManager.GET_META_DATA);
         dataDir = ai.dataDir;
         Log.i(TAG, String.format("dataDir=%s\n", dataDir));
-        }
-        catch (PackageManager.NameNotFoundException e) {
-            return;
-        }
 
         String llp = System.getenv("LD_LIBRARY_PATH");
         if (llp == null)
@@ -89,9 +86,16 @@ public class Bootstrap extends NativeActivity
 
         String[] llpa = llp.split(":");
 
-        if (!setup(dataDir, getApplication().getPackageResourcePath(), llpa))
+        if (!setup(dataDir, activity.getApplication().getPackageResourcePath(), llpa))
             return;
 
+    }
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState)
+    {
+        setup(this);
+
         String mainLibrary = getIntent().getStringExtra("lo-main-library");
 
         if (mainLibrary == null)