Added java bindings for Android

1 files changed, 64 insertions, 0 deletions

diff --git a/src/java/com/libmailcore/MainThreadUtils.java b/src/java/com/libmailcore/MainThreadUtils.java
new file mode 100644
index 00000000..00a9ead2
--- /dev/null
+++ b/src/java/com/libmailcore/MainThreadUtils.java
@@ -0,0 +1,64 @@
+package com.libmailcore;
+
+import android.os.Handler;
+import android.os.Looper;
+import android.util.Log;
+import java.util.HashMap;
+
+public class MainThreadUtils {
+    private static volatile MainThreadUtils instance = new MainThreadUtils();
+    private Handler handler;
+    private HashMap<Long, Runnable> runnablesForIdentifiers = new HashMap<Long, Runnable>();
+    
+    static public MainThreadUtils singleton() {
+        return instance;
+    }
+
+    // private constructor
+    private MainThreadUtils() {
+        System.loadLibrary("MailCore");
+        handler = new Handler(Looper.getMainLooper());
+        setupNative();
+    }
+
+    private native void setupNative();
+
+    private native void runIdentifier(long identifier);
+    private native void runIdentifierAndNotify(long identifier);
+
+    private void runOnMainThread(final long identifier) {
+        handler.post(new Runnable() {
+            @Override
+            public void run() {
+                runIdentifier(identifier);
+            }
+        });
+    }
+
+    private void runOnMainThreadAndWait(final long identifier) {
+        handler.post(new Runnable() {
+            @Override
+            public void run() {
+                runIdentifierAndNotify(identifier);
+            }
+        });
+    }
+
+    private void runAfterDelay(final long identifier, int milliseconds) {
+        Runnable runnable = new Runnable() {
+                    @Override
+                    public void run() {
+                        runnablesForIdentifiers.remove(new Long(identifier));
+                        runIdentifier(identifier);
+                    }
+                };
+        runnablesForIdentifiers.put(new Long(identifier), runnable);
+        handler.postDelayed(runnable, milliseconds);
+    }
+    
+    private void cancelDelayedRun(final long identifier) {
+        Runnable runnable = runnablesForIdentifiers.get(new Long(identifier));
+        runnablesForIdentifiers.remove(new Long(identifier));
+        handler.removeCallbacks(runnable);
+    }
+}