new tile management

mobile/IITC_Mobile.iml

@@ -9,7 +9,7 @@
     <exclude-output />
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/gen" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/gen" isTestSource="false" generated="true" />
     </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />

mobile/src/com/cradle/iitc_mobile/IITC_Application.java

@@ -20,4 +20,13 @@ public class IITC_Application extends Application {
             return super.getCacheDir();
         }
     }
+
+    @Override
+    public File getFilesDir() {
+        if (PreferenceManager.getDefaultSharedPreferences(this).getBoolean("pref_external_storage", false)) {
+            return (getExternalFilesDir(null) != null) ? getExternalFilesDir(null) : super.getFilesDir();
+        } else {
+            return super.getFilesDir();
+        }
+    }
 }

mobile/src/com/cradle/iitc_mobile/IITC_TileManager.java

@@ -0,0 +1,44 @@
+package com.cradle.iitc_mobile;
+
+import android.util.Log;
+import android.webkit.WebResourceResponse;
+
+import com.cradle.iitc_mobile.async.DownloadTile;
+
+import java.io.BufferedInputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.InputStream;
+import java.net.URL;
+import java.net.URLConnection;
+
+public class IITC_TileManager {
+
+    private final IITC_Mobile mIitc;
+    private static final String TYPE = "image/*";
+    private static final String ENCODING = null;
+
+    IITC_TileManager(IITC_Mobile iitc) {
+        mIitc = iitc;
+    }
+
+    public WebResourceResponse getTile(String url) throws Exception {
+        Log.d("iitcm", "checking for tile: " + url);
+        String path = mIitc.getApplication().getFilesDir().toString() + "/" + url;
+        path = path.replace("http://", "");
+        path = path.replace("https://", "");
+        String[] split = path.split("/");
+        String fileName = split[split.length - 1];
+        path = path.replace(fileName, "");
+        File file = new File(path, fileName);
+        if (file.exists()) {
+            InputStream in = new BufferedInputStream(new FileInputStream(file));
+            return new WebResourceResponse(TYPE, ENCODING, in);
+        } else {
+            // asynchronously download tile to cache and let webviewclient load the resource
+            new DownloadTile(path, fileName).execute(url);
+            return null;
+        }
+    }
+}

mobile/src/com/cradle/iitc_mobile/IITC_WebView.java

@@ -118,7 +118,7 @@ public class IITC_WebView extends WebView {
             }
         });
 
-        mIitcWebViewClient = new IITC_WebViewClient(c);
+        mIitcWebViewClient = new IITC_WebViewClient(mIitc);
         setWebViewClient(mIitcWebViewClient);
     }
 

mobile/src/com/cradle/iitc_mobile/IITC_WebViewClient.java

@@ -43,10 +43,12 @@ public class IITC_WebViewClient extends WebViewClient {
     private String mIitcScript = null;
     private String mIitcPath = null;
     private boolean mIitcInjected = false;
-    private final Context mContext;
+    private final IITC_Mobile mIitc;
+    private final IITC_TileManager mTileManager;
 
-    public IITC_WebViewClient(Context c) {
+    public IITC_WebViewClient(IITC_Mobile iitc) {
-        this.mContext = c;
+        this.mIitc = iitc;
+        this.mTileManager = new IITC_TileManager(mIitc);
         this.mIitcPath = Environment.getExternalStorageDirectory().getPath()
                 + "/IITC_Mobile/";
     }
@@ -113,13 +115,13 @@ public class IITC_WebViewClient extends WebViewClient {
             js = this.fileToString(mIitcPath
                     + "dev/total-conversion-build.user.js", false);
             if (js.equals("false")) {
-                Toast.makeText(mContext, "File " + mIitcPath +
+                Toast.makeText(mIitc, "File " + mIitcPath +
                         "dev/total-conversion-build.user.js not found. " +
                         "Disable developer mode or add iitc files to the dev folder.",
                         Toast.LENGTH_LONG).show();
                 return;
             } else {
-                Toast.makeText(mContext, "Developer mode enabled",
+                Toast.makeText(mIitc, "Developer mode enabled",
                         Toast.LENGTH_SHORT).show();
             }
         } else {
@@ -145,7 +147,7 @@ public class IITC_WebViewClient extends WebViewClient {
             mIitcInjected = false;
         }
 
-        PackageManager pm = mContext.getPackageManager();
+        PackageManager pm = mIitc.getPackageManager();
         boolean hasMultitouch = pm
                 .hasSystemFeature(PackageManager.FEATURE_TOUCHSCREEN_MULTITOUCH);
         boolean forcedZoom = sharedPref.getBoolean("pref_user_zoom", false);
@@ -202,7 +204,7 @@ public class IITC_WebViewClient extends WebViewClient {
     public void loadPlugins(WebView view) {
         // get the plugin preferences
         SharedPreferences sharedPref = PreferenceManager
-                .getDefaultSharedPreferences(mContext);
+                .getDefaultSharedPreferences(mIitc);
         boolean dev_enabled = sharedPref.getBoolean("pref_dev_checkbox", false);
         String path = (dev_enabled) ? mIitcPath + "dev/plugins/" : "plugins/";
 
@@ -261,7 +263,7 @@ public class IITC_WebViewClient extends WebViewClient {
             }
         } else {
             // load plugins from asset folder
-            AssetManager am = mContext.getAssets();
+            AssetManager am = mIitc.getAssets();
             try {
                 s = new Scanner(am.open(file)).useDelimiter("\\A");
             } catch (IOException e) {
@@ -285,7 +287,14 @@ public class IITC_WebViewClient extends WebViewClient {
     @Override
     public WebResourceResponse shouldInterceptRequest(final WebView view,
                                                       String url) {
-        if (url.contains("/css/common.css")) {
+        if (url.matches(".*tile.*jpg") || url.matches(".*tile.*png") || url.matches(".*mts.*googleapis.*")) {
+            try {
+                return mTileManager.getTile(url);
+            } catch (Exception e) {
+                e.printStackTrace();
+                return super.shouldInterceptRequest(view, url);
+            }
+        } else if (url.contains("/css/common.css")) {
             return new WebResourceResponse("text/css", "UTF-8", STYLE);
 //        } else if (url.contains("gen_dashboard.js")) {
 //            // define initialize function to get rid of JS ReferenceError on intel page's 'onLoad'
@@ -318,7 +327,7 @@ public class IITC_WebViewClient extends WebViewClient {
                 Log.d("iitcm",
                         "should be an internal clicked position link...reload script for: "
                                 + url);
-                ((IITC_Mobile) mContext).loadUrl(url);
+                mIitc.loadUrl(url);
             }
             if (url.contains("logout")) {
                 Log.d("iitcm", "logging out...updating caching mode");
@@ -330,7 +339,7 @@ public class IITC_WebViewClient extends WebViewClient {
                     "no ingress intel link, start external app to load url: "
                             + url);
             Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
-            mContext.startActivity(intent);
+            mIitc.startActivity(intent);
             return true;
         }
     }

mobile/src/com/cradle/iitc_mobile/async/DownloadTile.java

@@ -0,0 +1,69 @@
+package com.cradle.iitc_mobile.async;
+
+import android.app.AlertDialog;
+import android.os.AsyncTask;
+import android.util.Log;
+
+import com.cradle.iitc_mobile.IITC_Mobile;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLConnection;
+
+/*
+ * this class parses the http response of a web page.
+ * since network operations shouldn't be done on main UI thread
+ * (NetworkOnMainThread exception is thrown) we use an async task for this.
+ */
+public class DownloadTile extends AsyncTask<String, Void, Boolean> {
+
+    private String mFilePath;
+    private String mFileName;
+
+    public DownloadTile(String path, String fileName) {
+        mFilePath = path;
+        mFileName = fileName;
+
+    }
+
+    @Override
+    protected Boolean doInBackground(String... urls) {
+        URL tileUrl = null;
+        URLConnection conn = null;
+        try {
+            tileUrl = new URL(urls[0]);
+            conn = tileUrl.openConnection();
+            InputStream is = null;
+            is = conn.getInputStream();
+            Log.d("iitcm", "writing to path: " + mFilePath);
+            File file = new File(mFilePath, mFileName);
+            File output = writeTileToFile(is, file, mFilePath);
+        } catch (IOException e) {
+            e.printStackTrace();
+            return false;
+        } catch (Exception e) {
+            e.printStackTrace();
+            return false;
+        }
+        return true;
+    }
+
+    private File writeTileToFile(InputStream inStream, File file, String path) throws Exception {
+        File filePath = new File(path);
+        filePath.mkdirs();
+        FileOutputStream outStream = new FileOutputStream(file);
+        int bufferSize = 1024;
+        byte[] buffer = new byte[bufferSize];
+        int len = 0;
+        while ((len = inStream.read(buffer)) != -1) {
+            outStream.write(buffer, 0, len);
+        }
+        if(outStream!=null) outStream.close();
+        return file;
+    }
+
+}