(Android) Implemented a cleaner way of handling the private data directory

es-app/src/FileData.cpp

@@ -25,6 +25,10 @@
 #include "views/GamelistView.h"
 #include "views/ViewController.h"
 
+#if defined(__ANDROID__)
+#include "utils/PlatformUtilAndroid.h"
+#endif
+
 #include <assert.h>
 #include <regex>
 

es-app/src/main.cpp

@@ -37,6 +37,10 @@
 #include <SDL2/SDL_main.h>
 #include <SDL2/SDL_timer.h>
 
+#if defined(__ANDROID__)
+#include "utils/PlatformUtilAndroid.h"
+#endif
+
 #if defined(__EMSCRIPTEN__)
 #include <emscripten.h>
 #endif

es-core/src/ThemeData.cpp

@@ -696,32 +696,27 @@ void ThemeData::populateThemes()
         userThemeDirectory = defaultUserThemeDir;
     }
 
-#if defined(__unix__) || defined(__APPLE__)
-#if defined(APPIMAGE_BUILD)
-    static const size_t pathCount {2};
-#else
-    static const size_t pathCount {3};
-#endif
-#else
-    static const size_t pathCount {2};
-#endif
-    std::string paths[pathCount] = {
+#if defined(__ANDROID__)
+    const std::vector<std::string> themePaths {Utils::FileSystem::getProgramDataPath() + "/themes",
+                                               userThemeDirectory};
+#elif defined(__APPLE__)
+    const std::vector<std::string> themePaths {
         Utils::FileSystem::getExePath() + "/themes",
-#if defined(__APPLE__)
-        Utils::FileSystem::getExePath() + "/../Resources/themes",
-#elif defined(__ANDROID__)
-        ResourceManager::getInstance().getDataDirectory() + "/themes",
-#elif defined(__unix__) && !defined(APPIMAGE_BUILD)
+        Utils::FileSystem::getExePath() + "/../Resources/themes", userThemeDirectory};
+#elif defined(_WIN64) || defined(APPIMAGE_BUILD)
+    const std::vector<std::string> themePaths {Utils::FileSystem::getExePath() + "/themes",
+                                               userThemeDirectory};
+#else
+    const std::vector<std::string> themePaths {Utils::FileSystem::getExePath() + "/themes",
                                                Utils::FileSystem::getProgramDataPath() + "/themes",
+                                               userThemeDirectory};
 #endif
-        userThemeDirectory
-    };
 
-    for (size_t i {0}; i < pathCount; ++i) {
-        if (!Utils::FileSystem::isDirectory(paths[i]))
+    for (auto path : themePaths) {
+        if (!Utils::FileSystem::isDirectory(path))
             continue;
 
-        Utils::FileSystem::StringList dirContent {Utils::FileSystem::getDirContent(paths[i])};
+        Utils::FileSystem::StringList dirContent {Utils::FileSystem::getDirContent(path)};
 
         for (Utils::FileSystem::StringList::const_iterator it = dirContent.cbegin();
              it != dirContent.cend(); ++it) {
@@ -732,7 +727,6 @@ void ThemeData::populateThemes()
                      Utils::String::toLower(themeDirName.substr(themeDirName.length() - 8, 8)) ==
                          "disabled"))
                     continue;
-
 #if defined(_WIN64)
                 LOG(LogDebug) << "Loading theme capabilities for \""
                               << Utils::String::replace(*it, "/", "\\") << "\"...";
@@ -745,9 +739,8 @@ void ThemeData::populateThemes()
                     continue;
 
                 std::string themeName;
-                if (capabilities.themeName != "") {
+                if (capabilities.themeName != "")
                     themeName.append(" (\"").append(capabilities.themeName).append("\")");
-                }
 
 #if defined(_WIN64)
                 LOG(LogInfo) << "Added theme \"" << Utils::String::replace(*it, "/", "\\") << "\""

es-core/src/resources/ResourceManager.cpp

@@ -41,18 +41,22 @@ std::string ResourceManager::getResourcePath(const std::string& path, bool termi
         if (Utils::FileSystem::exists(applePackagePath)) {
             return applePackagePath;
         }
-#elif defined(__unix__) && !defined(APPIMAGE_BUILD)
-#if defined(__ANDROID__)
-        std::string testDataPath {mDataDirectory + "/resources/" + &path[2]};
-#else
-        // Check under the data installation directory (Unix only).
+#elif (defined(__unix__) && !defined(APPIMAGE_BUILD)) || defined(__ANDROID__)
+        // Check in the program data directory.
         std::string testDataPath {Utils::FileSystem::getProgramDataPath() + "/resources/" +
                                   &path[2]};
-#endif
         if (Utils::FileSystem::exists(testDataPath))
             return testDataPath;
 #endif
-#if !defined(__ANDROID__)
+#if defined(__ANDROID__)
+        // Check in the assets directory using AssetManager.
+        SDL_RWops* resFile {SDL_RWFromFile(path.substr(2).c_str(), "rb")};
+        if (resFile != nullptr) {
+            SDL_RWclose(resFile);
+            return path.substr(2);
+        }
+        else {
+#else
         // Check under the ES executable directory.
         std::string testExePath {Utils::FileSystem::getExePath() + "/resources/" + &path[2]};
 
@@ -63,13 +67,6 @@ std::string ResourceManager::getResourcePath(const std::string& path, bool termi
         // indicate that we have a broken EmulationStation installation. If the argument
         // terminateOnFailure is set to false though, then skip this step.
         else {
-#else
-        SDL_RWops* resFile {SDL_RWFromFile(path.substr(2).c_str(), "rb")};
-        if (resFile != nullptr) {
-            SDL_RWclose(resFile);
-            return path.substr(2);
-        }
-        else {
 #endif
             if (terminateOnFailure) {
                 LOG(LogError) << "Program resource missing: " << path;
@@ -102,6 +99,7 @@ const ResourceData ResourceManager::getFileData(const std::string& path) const
     const std::string respath {getResourcePath(path)};
 
 #if defined(__ANDROID__)
+    // Check in the assets directory using AssetManager.
     SDL_RWops* resFile {SDL_RWFromFile(respath.c_str(), "rb")};
     if (resFile != nullptr) {
         ResourceData data {loadFile(resFile)};

es-core/src/resources/ResourceManager.h

@@ -44,9 +44,6 @@ public:
     void unloadAll();
     void reloadAll();
 
-    void setDataDirectory(const std::string& dataDirectory) { mDataDirectory = dataDirectory; }
-    const std::string& getDataDirectory() const { return mDataDirectory; }
-
     std::string getResourcePath(const std::string& path, bool terminateOnFailure = true) const;
     const ResourceData getFileData(const std::string& path) const;
     bool fileExists(const std::string& path) const;
@@ -58,7 +55,6 @@ private:
     ResourceData loadFile(SDL_RWops* resFile) const;
 
     std::list<std::weak_ptr<IReloadable>> mReloadables;
-    std::string mDataDirectory;
 };
 
 #endif // ES_CORE_RESOURCES_RESOURCE_MANAGER_H

es-core/src/utils/FileSystemUtil.cpp

@@ -8,9 +8,9 @@
 //  remove files etc.
 //
 
-#if !defined(__APPLE__) && !defined(__FreeBSD__) && !defined(__OpenBSD__) &&                       \
-    !defined(__NetBSD__) && !defined(__EMSCRIPTEN__)
-#define _FILE_OFFSET_BITS 64
+#if defined(__ANDROID__)
+#include "utils/PlatformUtilAndroid.h"
+#include <SDL2/SDL_system.h>
 #endif
 
 #if defined(__APPLE__)
@@ -365,7 +365,9 @@ namespace Utils
 
         std::string getProgramDataPath()
         {
-#if defined(__unix__)
+#if defined(__ANDROID__)
+            return AndroidVariables::sAndroidDataDirectory;
+#elif defined(__unix__)
             return installPrefix + "/share/emulationstation";
 #else
     return "";

es-core/src/utils/PlatformUtil.h

@@ -15,11 +15,6 @@
 #include <windows.h>
 #endif
 
-#if defined(__ANDROID__)
-#include "utils/PlatformUtilAndroid.h"
-#endif
-
-
 namespace Utils
 {
     namespace Platform