implement android.app.AlertDialog using GtkDialog

src/api-impl/android/app/AlertDialog.java

@@ -2,21 +2,74 @@ package android.app;
 
 import android.content.Context;
 import android.content.DialogInterface;
+import android.os.Handler;
+import android.os.Looper;
 import android.view.View;
 
-public class AlertDialog extends Dialog {
+public class AlertDialog extends Dialog implements DialogInterface {
+
+	private long nativePtr;
+
+	private native long nativeInit();
+	private native void nativeSetTitle(long ptr, String title);
+	private native void nativeSetMessage(long ptr, String message);
+	private native void nativeSetButton(long ptr, int whichButton, String text);
+	private native void nativeSetItems(long ptr, String[] items, DialogInterface.OnClickListener listener);
+	private native void nativeShow(long ptr);
+
+	public AlertDialog(Context context) {
+		nativePtr = nativeInit();
+	}
+
+	public void setTitle(CharSequence title) {
+		nativeSetTitle(nativePtr, String.valueOf(title));
+	}
+
+	public void setOnCancelListener(OnCancelListener onCancelListener) {}
+
+	public void setCancelable(boolean cancelable) {}
+
+	public void setMessage(CharSequence message) {
+		System.out.println("AlertDialog setMessage called with: '" + message + "'");
+		nativeSetMessage(nativePtr, String.valueOf(message));
+	}
+
+	public void setButton(int whichButton, CharSequence text, OnClickListener listener) {
+		nativeSetButton(nativePtr, whichButton, String.valueOf(text));
+	}
+
+	public boolean isShowing() {
+		return false;
+	}
+
+	@Override
+	public void show() {
+		super.show();
+		new Handler(Looper.getMainLooper()).post(new Runnable() {
+			@Override
+			public void run() {
+				nativeShow(nativePtr);
+			}
+		});
+	}
+
 	public static class Builder {
+		private Context context;
+		private AlertDialog dialog;
+
 		public Builder(Context context) {
 			System.out.println("making an AlertDialog$Builder as we speak, my word!");
+			this.context = context;
+			dialog = new AlertDialog(context);
 		}
 
 		public AlertDialog.Builder setPositiveButton(int textId, DialogInterface.OnClickListener listener) {
-			System.out.println("AlertDialog.Builder setPositiveButton called with textId: '" + textId + "'");
-			return this;
+			return setPositiveButton(context.getResources().getText(textId), listener);
 		}
 
 		public AlertDialog.Builder setPositiveButton(CharSequence text, DialogInterface.OnClickListener listener) {
 			System.out.println("AlertDialog.Builder setPositiveButton called with text: '" + text + "'");
+			dialog.setButton(DialogInterface.BUTTON_POSITIVE, text, listener);
 			return this;
 		}
 
@@ -30,11 +83,17 @@ public class AlertDialog extends Dialog {
 
 		public AlertDialog.Builder setTitle(CharSequence title) {
 			System.out.println("AlertDialog.Builder setTitle called with: '" + title + "'");
+			dialog.setTitle(title);
 			return this;
 		}
 
+		public AlertDialog.Builder setTitle(int title) {
+			return setTitle(context.getResources().getText(title));
+		}
+
 		public AlertDialog.Builder setMessage(CharSequence message) {
 			System.out.println("AlertDialog.Builder setMessage called with: '" + message + "'");
+			dialog.setMessage(message);
 			return this;
 		}
 
@@ -42,8 +101,21 @@ public class AlertDialog extends Dialog {
 			return this;
 		}
 
+		public AlertDialog.Builder setItems(CharSequence[] items, final DialogInterface.OnClickListener listener) {
+			String[] stringItems = new String[items.length];
+			for (int i = 0; i < items.length; i++) {
+				stringItems[i] = String.valueOf(items[i]);
+			}
+			dialog.nativeSetItems(dialog.nativePtr, stringItems, listener);
+			return this;
+		}
+
+		public Builder setOnCancelListener(OnCancelListener onCancelListener) {
+			return this;
+		}
+
 		public AlertDialog create() {
-			return new AlertDialog();
+			return dialog;
 		}
 	}
 }

src/api-impl/android/content/DialogInterface.java

@@ -1,10 +1,20 @@
 package android.content;
 
 public interface DialogInterface {
+	/** The identifier for the positive button. */
+	int BUTTON_POSITIVE = -1;
+	/** The identifier for the negative button. */
+	int BUTTON_NEGATIVE = -2;
+	/** The identifier for the neutral button. */
+	int BUTTON_NEUTRAL = -3;
+
 	public interface OnDismissListener {
 	}
 	public interface OnClickListener {
+		void onClick(DialogInterface dialog, int which);
 	}
 	public interface OnShowListener {
 	}
+	public interface OnCancelListener {
+	}
 }