adding support for webkit plugins to use the java view system

Change-Id: I4fb328e5f30476fe4aa70565bacb969dc97b495d

1 files changed, 62 insertions, 0 deletions

diff --git a/core/java/android/webkit/PluginUtil.java b/core/java/android/webkit/PluginUtil.java
new file mode 100644
index 0000000..c0a7375
--- /dev/null
+++ b/core/java/android/webkit/PluginUtil.java
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.webkit;
+
+import android.content.Context;
+import android.content.pm.PackageManager.NameNotFoundException;
+import android.util.Log;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+
+class PluginUtil {
+
+    private static final String LOGTAG = "PluginUtil";
+
+    /**
+     * 
+     * @param packageName the name of the apk where the class can be found
+     * @param className the fully qualified name of a subclass of PluginStub
+     */
+    /* package */
+    static PluginStub getPluginStub(Context context, String packageName,
+            String className, int NPP) {
+        try {
+            Context pluginContext = context.createPackageContext(packageName,
+                    Context.CONTEXT_INCLUDE_CODE |
+                    Context.CONTEXT_IGNORE_SECURITY);
+            ClassLoader pluginCL = pluginContext.getClassLoader();
+
+            Class<?> stubClass =
+                    pluginCL.loadClass(className);
+            Constructor<?> stubConstructor =
+                    stubClass.getConstructor(int.class);
+            Object stubObject = stubConstructor.newInstance(NPP);
+
+            if (stubObject instanceof PluginStub) {
+                return (PluginStub) stubObject;
+            } else {
+                Log.e(LOGTAG, "The plugin class is not of type PluginStub");
+            }
+        } catch (Exception e) {
+            // Any number of things could have happened. Log the exception and
+            // return null. Careful not to use Log.e(LOGTAG, "String", e)
+            // because that reports the exception to the checkin service.
+            Log.e(LOGTAG, Log.getStackTraceString(e));
+        }
+        return null;
+    }
+}