Adding Cupcake Storage

framework/src/com/phonegap/DroidGap.java

@@ -49,7 +49,6 @@ public class DroidGap extends Activity {
 	protected WebView appView;
 	private LinearLayout root;	
 	
-	private String uri;
 	private PhoneGap gap;
 	private GeoBroker geo;
 	private AccelListener accel;
@@ -58,7 +57,9 @@ public class DroidGap extends Activity {
 	private FileUtils fs;
 	private NetworkManager netMan;
 	private CompassListener mCompass;
-	private WebViewReflect eclairCheck;
+	private Storage	cupcakeStorage;
+	
+	
 	
     /** Called when the activity is first created. */
 	@Override
@@ -89,7 +90,10 @@ public class DroidGap extends Activity {
         if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.ECLAIR)
         	appView.setWebChromeClient(new EclairClient(this));        	
         else
+        {        
         	appView.setWebChromeClient(new GapClient(this));
+        	cupcakeStorage = new Storage(appView);
+        }
         
         appView.setInitialScale(100);
         appView.setVerticalScrollBarEnabled(false);
@@ -138,6 +142,11 @@ public class DroidGap extends Activity {
     	appView.addJavascriptInterface(fs, "FileUtil");
     	appView.addJavascriptInterface(netMan, "NetworkManager");
     	appView.addJavascriptInterface(mCompass, "CompassHook");
+    	if (android.os.Build.VERSION.SDK_INT <= android.os.Build.VERSION_CODES.DONUT)
+    	{
+    		cupcakeStorage = new Storage(appView);
+    		appView.addJavascriptInterface(cupcakeStorage, "droidStorage");
+    	}
     }
            
  

framework/src/com/phonegap/Storage.java

@@ -0,0 +1,71 @@
+package com.phonegap;
+
+import android.database.Cursor;
+import android.database.sqlite.*;
+import android.util.Log;
+import android.webkit.WebView;
+
+public class Storage {
+	
+	private static final String LOG_TAG = "SQLite Storage:";
+	SQLiteDatabase myDb;
+	String path;
+	String txid = "";
+	WebView appView;
+	
+	Storage(WebView view)
+	{
+		Package pack = this.getClass().getPackage();
+    	String appPackage = pack.getName();
+    	path = "/data/data/" + appPackage + "/databases/";
+		appView = view;
+	}
+	
+	public void openDatabase(String db, String version, String display_name, long size)
+	{
+		path += db + ".db";
+		myDb = SQLiteDatabase.openOrCreateDatabase(path, null);
+	}
+	
+	public void executeSql(String query, String[] params, String tx_id)
+	{
+		if(txid.length() == 0)
+		{
+			try{
+				txid = tx_id;
+				Cursor myCursor = myDb.rawQuery(query, params);			
+				processResults(myCursor);
+			}
+			catch (SQLiteException ex)
+			{
+				Log.d(LOG_TAG, ex.getMessage());
+			}
+		}
+	}
+	
+	public void processResults(Cursor cur)
+	{		
+		String key = "";
+		String value = "";
+		String resultString = "";
+		if (cur.moveToFirst()) {
+			 int colCount = cur.getColumnCount();
+			 do {
+				 resultString = "{";
+				 for(int i = 0; i < colCount; ++i)
+				 {
+					 key  = cur.getColumnName(i);
+					 value = cur.getString(i);
+					 resultString += " \"" + key + "\" : \"" + value + "\"";
+					 if (i != (colCount - 1))
+						 resultString += ",";
+				 }
+				 resultString += "}";
+				 appView.loadUrl("javascript:droiddb.addResult('" + resultString + "')");
+			 } while (cur.moveToNext());
+			 appView.loadUrl("javascript:droiddb.completeQuery()");
+			 txid = "";
+		 }
+	}
+		
+}

js/storage.js

@@ -0,0 +1,77 @@
+/*
+ * This is purely for the Android 1.5/1.6 HTML 5 Storage
+ * I was hoping that Android 2.0 would deprecate this, but given the fact that 
+ * most manufacturers ship with Android 1.5 and do not do OTA Updates, this is required
+ */
+
+var droiddb = new function()
+{
+  this.txQueue = [];
+}
+
+droiddb.prototype.addResult(rawdata, tx_id)
+{
+  eval("var data = " + rawdata);
+  var tx = this.txQueue(tx_id);
+  tx.resultSet.push(data);
+}
+
+droiddb.prototype.completeQuery(tx_id)
+{
+  var tx = this.txQueue(tx_id);
+  var r = new result();
+  r.rows.resultSet = tx.resultSet;
+  r.rows.length = resultSet.length;
+  tx.win(r);
+}
+
+var DatabaseShell = function()
+{
+  
+}
+
+DatabaseShell.transaction(process)
+{
+  tx = new Tx();
+  process(tx);
+}
+
+var Tx = function()
+{
+  droiddb.txQueue.push(this);
+  this.id = droiddb.txQueue.length - 1;
+  this.resultSet = [];
+}
+
+Tx.prototype.executeSql = function(query, params, win, fail)
+{
+  droidStorage.executeSql(query, params, tx_id);
+  tx.win = win;
+  tx.fail = fail;
+}
+
+var result = function()
+{
+  this.rows = new Rows();
+}
+
+var Rows = function()
+{
+  this.resultSet = [];
+  this.length = 0;
+}
+
+Rows.prototype.item = function(row_id)
+{
+  return this.resultSet[id];
+}
+
+PhoneGap.addConstructor(function() {
+  if (typeof navigator.openDatabase == "undefined") {
+    var openDatabase = function(name, version, display_name, size)
+    {
+      droidStorage.openDatabase(name, version, display_name, size)
+      db_object = new DatabaseShell();
+    }
+  }
+});