trigger plugin installation on *.user.js file intent

mobile/AndroidManifest.xml

@@ -72,6 +72,45 @@
                 <data android:scheme="geo"/>
             </intent-filter>
 
+            <!-- Handles external user plugins -->
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW"/>
+                <action android:name="android.nfc.action.NDEF_DISCOVERED"/>
+
+                <category android:name="android.intent.category.DEFAULT"/>
+                <category android:name="android.intent.category.BROWSABLE"/>
+
+                <data android:mimeType="application/x-javascript" />
+                <data android:mimeType="text/*" />
+            </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW"/>
+                <action android:name="android.nfc.action.NDEF_DISCOVERED"/>
+
+                <category android:name="android.intent.category.DEFAULT"/>
+                <category android:name="android.intent.category.BROWSABLE"/>
+
+                <data
+                    android:host="*"
+                    android:scheme="file"
+                    android:pathPattern=".*\\.user.js"/>
+
+                <data
+                    android:host="*"
+                    android:scheme="content"
+                    android:pathPattern=".*\\.user.js"/>
+
+                <data
+                    android:host="*"
+                    android:scheme="http"
+                    android:pathPattern=".*\\.user.js"/>
+
+                <data
+                    android:host="*"
+                    android:scheme="https"
+                    android:pathPattern=".*\\.user.js"/>
+            </intent-filter>
+
             <!-- Points to searchable meta data. -->
             <meta-data
                 android:name="android.app.searchable"

mobile/res/values/strings.xml

@@ -177,4 +177,9 @@
     <string name="label_base_layer">Base Layer</string>
     <string name="label_overlay_layers">Overlay Layers</string>
 
+    <string name="install_dialog_top">Install external plugin?</string>
+    <string name="install_dialog_msg">
+        IITCm was requested to install the following plugin:\n\n%1$s\n\nDo you want to proceed?
+    </string>
+
 </resources>

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

@@ -1,7 +1,9 @@
 package com.cradle.iitc_mobile;
 
 import android.app.Activity;
+import android.app.AlertDialog;
 import android.content.ActivityNotFoundException;
+import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.res.AssetManager;
@@ -22,11 +24,14 @@ import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.io.PipedInputStream;
 import java.io.PipedOutputStream;
+import java.net.URL;
+import java.net.URLConnection;
 import java.net.URLEncoder;
 import java.util.HashMap;
 
@@ -118,15 +123,17 @@ public class IITC_FileManager {
     }
 
     private final AssetManager mAssetManager;
-    private final IITC_Mobile mIitc;
+    private final Activity mActivity;
     private final String mIitcPath;
     private final SharedPreferences mPrefs;
+    public static final String PLUGINS_PATH = Environment.getExternalStorageDirectory().getPath()
+            + "/IITC_Mobile/plugins/";
 
-    public IITC_FileManager(final IITC_Mobile iitc) {
+    public IITC_FileManager(final Activity activity) {
-        mIitc = iitc;
+        mActivity = activity;
-        mIitcPath = Environment.getExternalStorageDirectory().getPath() + "/IITC_Mobile/";
+        mIitcPath = Environment.getExternalStorageDirectory().getPath() + "/Activity/";
-        mPrefs = PreferenceManager.getDefaultSharedPreferences(iitc);
+        mPrefs = PreferenceManager.getDefaultSharedPreferences(activity);
-        mAssetManager = mIitc.getAssets();
+        mAssetManager = mActivity.getAssets();
     }
 
     private InputStream getAssetFile(final String filename) throws IOException {
@@ -135,10 +142,10 @@ public class IITC_FileManager {
             try {
                 return new FileInputStream(file);
             } catch (final FileNotFoundException e) {
-                mIitc.runOnUiThread(new Runnable() {
+                mActivity.runOnUiThread(new Runnable() {
                     @Override
                     public void run() {
-                        Toast.makeText(mIitc, "File " + mIitcPath +
+                        Toast.makeText(mActivity, "File " + mIitcPath +
                                 "dev/" + filename + " not found. " +
                                 "Disable developer mode or add iitc files to the dev folder.",
                                 Toast.LENGTH_SHORT).show();
@@ -233,6 +240,73 @@ public class IITC_FileManager {
         return EMPTY;
     }
 
+    public void installPlugin(final String uri, final boolean invalidateHeaders) {
+        if (uri != null) {
+            AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(mActivity);
+
+            // set title
+            alertDialogBuilder.setTitle(mActivity.getString(R.string.install_dialog_top));
+
+            // set dialog message
+            String text = mActivity.getString(R.string.install_dialog_msg);
+            text = String.format(text, uri);
+            alertDialogBuilder
+                    .setMessage(text)
+                    .setCancelable(true)
+                    .setPositiveButton("Yes", new DialogInterface.OnClickListener() {
+                        @Override
+                        public void onClick(DialogInterface dialog, int which) {
+                            copyPlugin(uri, invalidateHeaders);
+                        }
+                    })
+                    .setNegativeButton("No", new DialogInterface.OnClickListener() {
+                        @Override
+                        public void onClick(DialogInterface dialog, int which) {
+                            dialog.cancel();
+                        }
+                    });
+
+            // create alert dialog
+            AlertDialog alertDialog = alertDialogBuilder.create();
+
+            // show it
+            alertDialog.show();
+        }
+    }
+
+    private void copyPlugin(final String uri, final boolean invalidateHeaders) {
+        Thread thread = new Thread(new Runnable() {
+            @Override
+            public void run() {
+                try {
+                    final URL url = new URL(uri);
+                    final URLConnection conn = url.openConnection();
+                    final String fileName = uri.substring( uri.lastIndexOf('/')+1, uri.length() );
+                    final InputStream is = conn.getInputStream();
+                    // create IITCm external plugins directory if it doesn't already exist
+                    final File pluginsDirectory = new File(PLUGINS_PATH);
+                    pluginsDirectory.mkdirs();
+
+                    // create in and out streams and copy plugin
+                    File outFile = new File(pluginsDirectory + "/" + fileName);
+                    OutputStream os = new FileOutputStream(outFile);
+                    IITC_FileManager.copyStream(is, os, true);
+                } catch (IOException e) {
+                    Log.w(e);
+                }
+            }
+        });
+        thread.start();
+        if (invalidateHeaders) {
+            try {
+                thread.join();
+                ((IITC_PluginPreferenceActivity) mActivity).invalidateHeaders();
+            } catch (InterruptedException e) {
+                Log.w(e);
+            }
+        }
+    }
+
     private class FileRequest extends WebResourceResponse implements ResponseHandler, Runnable {
         private Intent mData;
         private final String mFunctionName;
@@ -258,16 +332,18 @@ public class IITC_FileManager {
             target.addCategory(Intent.CATEGORY_OPENABLE);
 
             try {
-                mIitc.startActivityForResult(Intent.createChooser(target, "Choose file"), this);
+                final IITC_Mobile iitc = (IITC_Mobile) mActivity;
+                iitc.startActivityForResult(Intent.createChooser(target, "Choose file"), this);
             } catch (final ActivityNotFoundException e) {
-                Toast.makeText(mIitc, "No activity to select a file found." +
+                Toast.makeText(mActivity, "No activity to select a file found." +
                         "Please install a file browser of your choice!", Toast.LENGTH_LONG).show();
             }
         }
 
         @Override
         public void onActivityResult(final int resultCode, final Intent data) {
-            mIitc.deleteResponseHandler(this); // to enable garbage collection
+            final IITC_Mobile iitc = (IITC_Mobile) mActivity;
+            iitc.deleteResponseHandler(this); // to enable garbage collection
 
             mResultCode = resultCode;
             mData = data;

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

@@ -228,6 +228,13 @@ public class IITC_Mobile extends Activity
                             .show();
                 }
             }
+
+            if (uri.getPath().endsWith(".user.js")) {
+                final Intent prefIntent = new Intent(this, IITC_PluginPreferenceActivity.class);
+                prefIntent.putExtra("url", uri.toString());
+                startActivity(prefIntent);
+                // TODO receive intent, start dialog if user want to install $plugin, reload IITC
+            }
         }
 
         if (Intent.ACTION_SEARCH.equals(action)) {

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

@@ -5,7 +5,6 @@ import android.content.Context;
 import android.content.Intent;
 import android.content.res.AssetManager;
 import android.os.Bundle;
-import android.os.Environment;
 import android.preference.PreferenceActivity;
 import android.text.TextUtils;
 import android.view.LayoutInflater;
@@ -23,10 +22,8 @@ import com.cradle.iitc_mobile.fragments.PluginsFragment;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
-import java.io.OutputStream;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
@@ -47,6 +44,8 @@ public class IITC_PluginPreferenceActivity extends PreferenceActivity {
             new TreeMap<String, ArrayList<IITC_PluginPreference>>();
     private static int mDeletedPlugins = 0;
 
+    private IITC_FileManager mFileManager;
+
     @Override
     public void setListAdapter(final ListAdapter adapter) {
         if (adapter == null) {
@@ -86,6 +85,13 @@ public class IITC_PluginPreferenceActivity extends PreferenceActivity {
             getIntent()
                     .putExtra(PreferenceActivity.EXTRA_SHOW_FRAGMENT, PluginsFragment.class.getName());
         }
+
+        mFileManager = new IITC_FileManager(this);
+
+        final String uri = getIntent().getStringExtra("url");
+        if (uri != null) {
+            mFileManager.installPlugin(uri, true);
+        }
         super.onCreate(savedInstanceState);
     }
 
@@ -147,7 +153,7 @@ public class IITC_PluginPreferenceActivity extends PreferenceActivity {
             case COPY_PLUGIN_REQUEST:
                 if (data != null && data.getData() != null) {
                     String filePath = data.getData().getPath();
-                    copyPlugin(filePath);
+                    mFileManager.installPlugin("file://" + filePath, true);
                     return;
                 }
                 break;
@@ -158,28 +164,6 @@ public class IITC_PluginPreferenceActivity extends PreferenceActivity {
         }
     }
 
-    private void copyPlugin(String pluginPath) {
-        try {
-            File inFile = new File(pluginPath);
-            // create IITCm external plugins directory if it doesn't already exist
-            File pluginsDirectory = getUserPluginsDirectory();
-            pluginsDirectory.mkdirs();
-
-            // create in and out streams and copy plugin
-            File outFile = new File(pluginsDirectory.getPath() + "/" + inFile.getName());
-            InputStream is = new FileInputStream(inFile);
-            OutputStream os = new FileOutputStream(outFile);
-            IITC_FileManager.copyStream(is, os, true);
-
-            // invalidate headers to build a fresh preference screen with the new plugin listed
-            invalidateHeaders();
-        } catch (FileNotFoundException e) {
-            e.printStackTrace();
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
-    }
-
     @Override
     protected boolean isValidFragment(final String s) {
         return true;
@@ -206,15 +190,8 @@ public class IITC_PluginPreferenceActivity extends PreferenceActivity {
         return asset_array;
     }
 
-    private File getUserPluginsDirectory() {
-        final String iitc_path = Environment.getExternalStorageDirectory().getPath()
-                + "/IITC_Mobile/";
-        final File directory = new File(iitc_path + "plugins/");
-        return directory;
-    }
-
     private File[] getUserPlugins() {
-        final File directory = getUserPluginsDirectory();
+        final File directory = new File(IITC_FileManager.PLUGINS_PATH);
         File[] files = directory.listFiles();
         if (files == null) {
             files = new File[0];