From 3af99c08477bc97c78c8d5ddf0d66c0b5ff87bac Mon Sep 17 00:00:00 2001
From: Cristian Maglie <c.maglie@arduino.cc>
Date: Tue, 13 Sep 2016 16:38:26 +0300
Subject: [PATCH] Use Documents/ArduinoData when running as a Windows UWP

LocalAppData is restricted for Windows Apps, so we are forced to use
a document folder.
---
 .../cc/arduino/os/windows/Win32KnownFolders.java  | 12 ++++++++++++
 arduino-core/src/processing/app/BaseNoGui.java    | 13 +++++++++++++
 .../src/processing/app/windows/Platform.java      | 15 +++++++++++++--
 3 files changed, 38 insertions(+), 2 deletions(-)

diff --git a/arduino-core/src/cc/arduino/os/windows/Win32KnownFolders.java b/arduino-core/src/cc/arduino/os/windows/Win32KnownFolders.java
index ee4846e49..e8f66cbf9 100644
--- a/arduino-core/src/cc/arduino/os/windows/Win32KnownFolders.java
+++ b/arduino-core/src/cc/arduino/os/windows/Win32KnownFolders.java
@@ -34,9 +34,13 @@ import static com.sun.jna.platform.win32.KnownFolders.FOLDERID_LocalAppData;
 import static com.sun.jna.platform.win32.KnownFolders.FOLDERID_RoamingAppData;
 
 import java.io.File;
+import java.io.FileNotFoundException;
+import java.nio.file.Paths;
 
 import com.sun.jna.platform.win32.Shell32Util;
 
+import processing.app.PreferencesData;
+
 public class Win32KnownFolders {
 
   public static File getLocalAppDataFolder() {
@@ -51,4 +55,12 @@ public class Win32KnownFolders {
     return new File(Shell32Util.getKnownFolderPath(FOLDERID_Documents));
   }
 
+  public static File getLocalCacheFolder() throws FileNotFoundException {
+    if (!PreferencesData.getBoolean("runtime.is-windows-store-app")) {
+      throw new FileNotFoundException();
+    }
+    String localAppData = Shell32Util.getKnownFolderPath(FOLDERID_LocalAppData);
+    String appId = PreferencesData.get("runtime.windows-store-app.id");
+    return Paths.get(localAppData, "Packages", appId, "LocalCache").toFile();
+  }
 }
diff --git a/arduino-core/src/processing/app/BaseNoGui.java b/arduino-core/src/processing/app/BaseNoGui.java
index 8642f025a..0c9c5acef 100644
--- a/arduino-core/src/processing/app/BaseNoGui.java
+++ b/arduino-core/src/processing/app/BaseNoGui.java
@@ -62,6 +62,19 @@ public class BaseNoGui {
         //noop
       }
     }
+
+    File windowsStoreConfig = new File(getContentFile("lib"), "windowsStore.txt");
+    if (windowsStoreConfig.exists()) {
+      try {
+        PreferencesMap conf = new PreferencesMap(windowsStoreConfig);
+        PreferencesData.setBoolean("runtime.is-windows-store-app", true);
+        PreferencesData.set("runtime.windows-store-app.id", conf.get("appid"));
+        versionNameLong += " (Windows Store " + conf.get("version") + ")";
+      } catch (IOException e1) {
+        e1.printStackTrace();
+      }
+    }
+
     VERSION_NAME_LONG = versionNameLong;
   }
 
diff --git a/arduino-core/src/processing/app/windows/Platform.java b/arduino-core/src/processing/app/windows/Platform.java
index 5796c20cf..9646addb2 100644
--- a/arduino-core/src/processing/app/windows/Platform.java
+++ b/arduino-core/src/processing/app/windows/Platform.java
@@ -23,6 +23,7 @@
 package processing.app.windows;
 
 import cc.arduino.os.windows.Win32KnownFolders;
+import processing.app.PreferencesData;
 import processing.app.legacy.PApplet;
 import processing.app.legacy.PConstants;
 
@@ -49,8 +50,15 @@ public class Platform extends processing.app.Platform {
   }
 
   private void recoverSettingsFolderPath() throws Exception {
-    Path path = Win32KnownFolders.getLocalAppDataFolder().toPath();
-    settingsFolder = path.resolve("Arduino15").toFile();
+    if (PreferencesData.getBoolean("runtime.is-windows-store-app")) {
+      // LocalAppData is restricted for Windows Store Apps.
+      // We are forced to use a document folder to store tools.
+      Path path = Win32KnownFolders.getDocumentsFolder().toPath();
+      settingsFolder = path.resolve("ArduinoData").toFile();
+    } else {
+      Path path = Win32KnownFolders.getLocalAppDataFolder().toPath();
+      settingsFolder = path.resolve("Arduino15").toFile();
+    }
   }
 
   private Path recoverOldSettingsFolderPath() throws Exception {
@@ -192,6 +200,9 @@ public class Platform extends processing.app.Platform {
 
   @Override
   public void fixSettingsLocation() throws Exception {
+    if (PreferencesData.getBoolean("runtime.is-windows-store-app"))
+      return;
+
     Path oldSettingsFolder = recoverOldSettingsFolderPath();
     if (!Files.exists(oldSettingsFolder)) {
       return;