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path: root/core/java/android/webkit/PluginActivity.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 android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.webkit.plugin.SurfaceDrawingModel;
import android.webkit.plugin.WebkitPlugin;

/**
 * This activity is invoked when a plugin elects to go into full screen mode.
 * @hide
 */
public class PluginActivity extends Activity {

    private static final String LOGTAG = "PluginActivity";
    
    /* package */ static final String INTENT_EXTRA_NPP_INSTANCE =
            "android.webkit.plugin.NPP_INSTANCE";

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        final Intent intent = getIntent();
        if (intent == null) {
            Log.e(LOGTAG, "Unable to retrieve the intent responsible for this activity");
            finish();
            return;
        }

        final int npp = intent.getIntExtra(INTENT_EXTRA_NPP_INSTANCE, -1);

        if (npp == -1) {
            Log.e(LOGTAG, "The intent did not include the NPP pointer");
            finish();
            return;
        }

        // retrieve the plugin's existing java object instead of creating a new one
        WebkitPlugin plugin = nativeGetWebkitPlugin(npp);

        if (plugin == null) {
            Log.e(LOGTAG, "Unable to retrieve the plugin's java interface");
            finish();
            return;
        }
        SurfaceDrawingModel fullScreenSurface = plugin.getFullScreenSurface();
        if (fullScreenSurface == null) {
            Log.e(LOGTAG, "The plugin returned a null value for the full-screen interface");
            finish();
            return;
        }
        View pluginView = fullScreenSurface.getSurface();
        if (pluginView != null) {
            setContentView(pluginView);
        } else {
            // No custom full-sreen view returned by the plugin, odd but
            // just in case, finish the activity.
            Log.e(LOGTAG, "The plugin's full-screen interface returned a null view");
            finish();
        }
    }

    native WebkitPlugin nativeGetWebkitPlugin(int npp);
}