From 76d7429a5873792897b52d540eae89993fc882b5 Mon Sep 17 00:00:00 2001
From: Felix Ableitner <me@nutomic.com>
Date: Tue, 6 May 2014 12:03:09 +0200
Subject: [PATCH] Changed Activity to show web UI.

---
 AndroidManifest.xml                           |  4 +-
 res/layout/main.xml                           | 21 ++++++
 .../syncthingandroid/MainActivity.java        | 17 -----
 .../syncthingandroid/WebGuiActivity.java      | 72 +++++++++++++++++++
 4 files changed, 95 insertions(+), 19 deletions(-)
 create mode 100644 res/layout/main.xml
 delete mode 100644 src/com/nutomic/syncthingandroid/MainActivity.java
 create mode 100644 src/com/nutomic/syncthingandroid/WebGuiActivity.java

diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index ea829eb4..9f821cec 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -14,8 +14,8 @@
 			android:label="@string/app_name"
 			android:icon="@drawable/ic_launcher" >
 
-        <activity
-				android:name=".MainActivity"
+		<activity
+				android:name=".WebGuiActivity"
 				android:theme="@android:style/Theme.Holo.Light"
 				android:label="@string/app_name" >
 			<intent-filter>
diff --git a/res/layout/main.xml b/res/layout/main.xml
new file mode 100644
index 00000000..98a3b1c2
--- /dev/null
+++ b/res/layout/main.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<RelativeLayout
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	android:layout_width="match_parent"
+	android:layout_height="match_parent" >
+
+	<WebView
+			android:id="@+id/webview"
+			android:layout_width="match_parent"
+			android:layout_height="match_parent"
+			android:visibility="gone" />
+
+	<ProgressBar
+			android:id="@+id/loading"
+			style="?android:attr/progressBarStyleLarge"
+			android:layout_width="wrap_content"
+			android:layout_height="wrap_content"
+			android:layout_centerInParent="true" />
+
+</RelativeLayout>
diff --git a/src/com/nutomic/syncthingandroid/MainActivity.java b/src/com/nutomic/syncthingandroid/MainActivity.java
deleted file mode 100644
index 91e5c8c0..00000000
--- a/src/com/nutomic/syncthingandroid/MainActivity.java
+++ /dev/null
@@ -1,17 +0,0 @@
-package com.nutomic.syncthingandroid;
-
-import android.app.Activity;
-import android.content.Intent;
-import android.os.Bundle;
-
-public class MainActivity extends Activity {
-
-	private static final String TAG = "MainActivity";
-
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        startService(new Intent(this, SyncthingService.class));
-	}
-	
-}
diff --git a/src/com/nutomic/syncthingandroid/WebGuiActivity.java b/src/com/nutomic/syncthingandroid/WebGuiActivity.java
new file mode 100644
index 00000000..1e46ce06
--- /dev/null
+++ b/src/com/nutomic/syncthingandroid/WebGuiActivity.java
@@ -0,0 +1,72 @@
+package com.nutomic.syncthingandroid;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.Handler;
+import android.view.View;
+import android.webkit.WebView;
+import android.webkit.WebViewClient;
+import android.widget.ProgressBar;
+
+public class WebGuiActivity extends Activity {
+
+	private static final String TAG = "WebGuiActivity";
+
+	/**
+	 * URL of the local syncthing web UI.
+	 *
+	 * TODO: read this out from native code.
+	 */
+	private static final String SYNCTHING_URL = "http://127.0.0.1:8080";
+
+	private WebView mWebView;
+	private ProgressBar mLoadingView;
+
+	/**
+	 * Retries loading every second until the web UI becomes available.
+	 */
+	private WebViewClient mWebViewClient = new WebViewClient() {
+
+		private int mError = 0;
+
+		@Override
+		public void onReceivedError(WebView view, int errorCode, String description,
+				String failingUrl) {
+			mError = errorCode;
+			new Handler().postDelayed(new Runnable() {
+				@Override
+				public void run() {
+					mError = 0;
+					mWebView.loadUrl(SYNCTHING_URL);
+				}
+			}, 1000);
+
+		}
+
+		@Override
+		public void onPageFinished(WebView view, String url) {
+			if (mError == 0) {
+				mWebView.setVisibility(View.VISIBLE);
+				mLoadingView.setVisibility(View.GONE);
+			}
+		}
+	};
+
+	@Override
+	public void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+		startService(new Intent(this, SyncthingService.class));
+
+		setContentView(R.layout.main);
+
+		mLoadingView = (ProgressBar) findViewById(R.id.loading);
+		mLoadingView.setIndeterminate(true);
+		mWebView = (WebView) findViewById(R.id.webview);
+		mWebView.getSettings().setJavaScriptEnabled(true);
+		mWebView.setWebViewClient(new WebViewClient());
+		mWebView.setWebViewClient(mWebViewClient);
+		mWebView.loadUrl(SYNCTHING_URL);
+	}
+	
+}