1 files changed, 157 insertions, 0 deletions
diff --git a/core/java/android/webkit/PluginManager.java b/core/java/android/webkit/PluginManager.java
new file mode 100644
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+++ b/core/java/android/webkit/PluginManager.java
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+/*
+ * 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 java.util.ArrayList;
+import java.util.List;
+
+import android.annotation.SdkConstant;
+import android.annotation.SdkConstant.SdkConstantType;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.content.pm.ServiceInfo;
+import android.content.pm.Signature;
+import android.content.pm.PackageManager.NameNotFoundException;
+import android.util.Log;
+
+/**
+ * Class for managing the relationship between the {@link WebView} and installed
+ * plugins in the system. You can find this class through
+ * {@link PluginManager#getInstance}.
+ * 
+ * @hide pending API solidification
+ */
+public class PluginManager {
+
+    /**
+     * Service Action: A plugin wishes to be loaded in the WebView must provide
+     * {@link android.content.IntentFilter IntentFilter} that accepts this
+     * action in their AndroidManifest.xml.
+     * <p>
+     * TODO: we may change this to a new PLUGIN_ACTION if this is going to be
+     * public.
+     */
+    @SdkConstant(SdkConstantType.SERVICE_ACTION)
+    public static final String PLUGIN_ACTION = "android.webkit.PLUGIN";
+
+    /**
+     * A plugin wishes to be loaded in the WebView must provide this permission
+     * in their AndroidManifest.xml.
+     */
+    public static final String PLUGIN_PERMISSION = "android.webkit.permission.PLUGIN";
+
+    private static final String LOGTAG = "webkit";
+
+    private static PluginManager mInstance = null;
+
+    private final Context mContext;
+
+    private PluginManager(Context context) {
+        mContext = context;
+    }
+
+    public static synchronized PluginManager getInstance(Context context) {
+        if (mInstance == null) {
+            if (context == null) {
+                throw new IllegalStateException(
+                        "First call to PluginManager need a valid context.");
+            }
+            mInstance = new PluginManager(context);
+        }
+        return mInstance;
+    }
+
+    /**
+     * Signal the WebCore thread to refresh its list of plugins. Use this if the
+     * directory contents of one of the plugin directories has been modified and
+     * needs its changes reflecting. May cause plugin load and/or unload.
+     * 
+     * @param reloadOpenPages Set to true to reload all open pages.
+     */
+    public void refreshPlugins(boolean reloadOpenPages) {
+        BrowserFrame.sJavaBridge.obtainMessage(
+                JWebCoreJavaBridge.REFRESH_PLUGINS, reloadOpenPages)
+                .sendToTarget();
+    }
+
+    String[] getPluginDirecoties() {
+        ArrayList<String> directories = new ArrayList<String>();
+        PackageManager pm = mContext.getPackageManager();
+        List<ResolveInfo> plugins = pm.queryIntentServices(new Intent(
+                PLUGIN_ACTION), PackageManager.GET_SERVICES);
+        for (ResolveInfo info : plugins) {
+            ServiceInfo serviceInfo = info.serviceInfo;
+            if (serviceInfo == null) {
+                Log.w(LOGTAG, "Ignore bad plugin");
+                continue;
+            }
+            PackageInfo pkgInfo;
+            try {
+                pkgInfo = pm.getPackageInfo(serviceInfo.packageName,
+                        PackageManager.GET_PERMISSIONS
+                                | PackageManager.GET_SIGNATURES);
+            } catch (NameNotFoundException e) {
+                Log.w(LOGTAG, "Cant find plugin: " + serviceInfo.packageName);
+                continue;
+            }
+            if (pkgInfo == null) {
+                continue;
+            }
+            String directory = pkgInfo.applicationInfo.dataDir + "/lib";
+            if (directories.contains(directory)) {
+                continue;
+            }
+            String permissions[] = pkgInfo.requestedPermissions;
+            if (permissions == null) {
+                continue;
+            }
+            boolean permissionOk = false;
+            for (String permit : permissions) {
+                if (PLUGIN_PERMISSION.equals(permit)) {
+                    permissionOk = true;
+                    break;
+                }
+            }
+            if (!permissionOk) {
+                continue;
+            }
+            Signature signatures[] = pkgInfo.signatures;
+            if (signatures == null) {
+                continue;
+            }
+            boolean signatureMatch = false;
+            for (Signature signature : signatures) {
+                // TODO: check signature against Google provided one
+                signatureMatch = true;
+                break;
+            }
+            if (!signatureMatch) {
+                continue;
+            }
+            directories.add(directory);
+        }
+        // hack for gears for now
+        String gears = mContext.getDir("plugins", 0).getPath();
+        if (!directories.contains(gears)) {
+            directories.add(gears);
+        }
+        return directories.toArray(new String[directories.size()]);
+    }
+}