Merge pull request #2361 from xyzz/android-paths

Clean up androidpath

components/files/androidpath.cpp

@@ -2,109 +2,57 @@
 
 #if defined(__ANDROID__)
 
+#include <jni.h>
 #include <cstdlib>
 #include <cstring>
 #include <pwd.h>
-#include "androidpath.h"
 #include <unistd.h>
 #include <boost/filesystem/fstream.hpp>
 
-
+static const char *g_path_global; //< Path to global directory root, e.g. /data/data/com.libopenmw.openmw
-class Buffer {
+static const char *g_path_user; //< Path to user root, e.g. /sdcard/Android/data/com.libopenmw.openmw
-    public:
-      static void setData(char const *data);
-      static char const * getData();
-};
-static char const *path;
-
-void Buffer::setData(char const *data)
-{
-    path=data;
-}
-char const * Buffer::getData()
-{
-    return path;
-}
-
-
-JNIEXPORT void JNICALL Java_ui_activity_GameActivity_getPathToJni(JNIEnv *env, jobject obj, jstring prompt)
-{
-    jboolean iscopy;
-    Buffer::setData((env)->GetStringUTFChars(prompt, &iscopy));
-    (env)->DeleteLocalRef(prompt);
-}
-
-namespace
-{
-
-    boost::filesystem::path getUserHome()
-    {
-        const char* dir = getenv("HOME");
-        if (dir == nullptr)
-        {
-            struct passwd* pwd = getpwuid(getuid());
-            if (pwd != nullptr)
-            {
-                dir = pwd->pw_dir;
-            }
-        }
-        if (dir == nullptr)
-            return boost::filesystem::path();
-        else
-            return boost::filesystem::path(dir);
-    }
-
-    boost::filesystem::path getEnv(const std::string& envVariable, const boost::filesystem::path& fallback)
-    {
-        const char* result = getenv(envVariable.c_str());
-        if (!result)
-            return fallback;
-        boost::filesystem::path dir(result);
-        if (dir.empty())
-            return fallback;
-        else
-            return dir;
-    }
-}
 
 /**
- * \namespace Files
+ * \brief Called by java code to set up directory paths
  */
+extern "C" JNIEXPORT void JNICALL Java_ui_activity_GameActivity_getPathToJni(JNIEnv *env, jobject obj, jstring global, jstring user)
+{
+    g_path_global = env->GetStringUTFChars(global, nullptr);
+    g_path_user = env->GetStringUTFChars(user, nullptr);
+}
+
 namespace Files
 {
 
 AndroidPath::AndroidPath(const std::string& application_name)
-    : mName(application_name)
 {
 }
 
+// /sdcard/Android/data/com.libopenmw.openmw/config
 boost::filesystem::path AndroidPath::getUserConfigPath() const
 {
-    std::string buffer = ""; 
+    return boost::filesystem::path(g_path_user) / "config";
-    buffer = buffer + Buffer::getData() +"/config";
-    return getEnv("XDG_CONFIG_HOME", buffer) / mName;
 }
 
+// /sdcard/Android/data/com.libopenmw.openmw/
+// (so that saves are placed at /sdcard/Android/data/com.libopenmw.openmw/saves)
 boost::filesystem::path AndroidPath::getUserDataPath() const
 {
-    std::string buffer = ""; 
+    return boost::filesystem::path(g_path_user);
-    buffer = buffer + Buffer::getData() +"/share";
-    return getEnv("XDG_DATA_HOME", buffer) / mName;
 }
 
+// /data/data/com.libopenmw.openmw/cache
+// (supposed to be "official" android cache location)
 boost::filesystem::path AndroidPath::getCachePath() const
 {
-    std::string buffer = ""; 
+    return boost::filesystem::path(g_path_global) / "cache";
-    buffer = buffer + Buffer::getData() +"/cache";
-    return getEnv("XDG_CACHE_HOME", buffer) / mName;
 }
 
+// /data/data/com.libopenmw.openmw/files/config
+// (note the addition of "files")
 boost::filesystem::path AndroidPath::getGlobalConfigPath() const
 {
-    std::string buffer = ""; 
+    return boost::filesystem::path(g_path_global) / "files" / "config";
-    buffer = buffer + Buffer::getData() +"/";
-    boost::filesystem::path globalPath(buffer); 
-    return globalPath / mName;
 }
 
 boost::filesystem::path AndroidPath::getLocalPath() const
@@ -112,12 +60,11 @@ boost::filesystem::path AndroidPath::getLocalPath() const
     return boost::filesystem::path("./");
 }
 
+// /sdcard/Android/data/com.libopenmw.openmw
+// (so that the data is at /sdcard/Android/data/com.libopenmw.openmw/data)
 boost::filesystem::path AndroidPath::getGlobalDataPath() const
 {
-    std::string buffer = ""; 
+    return boost::filesystem::path(g_path_user);
-    buffer = buffer + Buffer::getData() +"/data";
-    boost::filesystem::path globalDataPath(buffer);
-    return globalDataPath / mName;
 }
 
 boost::filesystem::path AndroidPath::getInstallPath() const

components/files/androidpath.h

@@ -1,19 +0,0 @@
-/* DO NOT EDIT THIS FILE - it is machine generated */
-#include <jni.h>
-
-#ifndef _Included_ui_activity_GameActivity_getPathToJni
-#define _Included_ui_activity_GameActivity_getPathToJni
-#ifdef __cplusplus
-extern "C" {
-#endif
-/*
- * Class:     Java_org_libsdl_app_SDLActivity_getPathToJni
- * Method:    getPathToJni
- * Signature: (I)I
- */
-JNIEXPORT void JNICALL Java_ui_activity_GameActivity_getPathToJni(JNIEnv *env, jobject obj, jstring prompt);
-
-#ifdef __cplusplus
-}
-#endif
-#endif

components/files/androidpath.hpp

@@ -46,8 +46,6 @@ struct AndroidPath
     boost::filesystem::path getCachePath() const;
 
     boost::filesystem::path getInstallPath() const;
-
-    std::string mName;
 };
 
 } /* namespace Files */