adding support for webkit plugins to use the java view system (2c3eb14d) · Commits · e / os / android_frameworks_base

api/current.xml

+45 −0

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		@@ -165277,6 +165277,51 @@
		</parameter>
		</method>
		</class>
		<class name="PluginStub"
		extends="java.lang.Object"
		abstract="true"
		static="false"
		final="false"
		deprecated="not deprecated"
		visibility="public"
		>
		<constructor name="PluginStub"
		type="android.webkit.PluginStub"
		static="false"
		final="false"
		deprecated="not deprecated"
		visibility="public"
		>
		<parameter name="npp" type="int">
		</parameter>
		</constructor>
		<method name="getEmbeddedView"
		return="android.view.View"
		abstract="true"
		native="false"
		synchronized="false"
		static="false"
		final="false"
		deprecated="not deprecated"
		visibility="public"
		>
		<parameter name="context" type="android.content.Context">
		</parameter>
		</method>
		<method name="getFullScreenView"
		return="android.view.View"
		abstract="true"
		native="false"
		synchronized="false"
		static="false"
		final="false"
		deprecated="not deprecated"
		visibility="public"
		>
		<parameter name="context" type="android.content.Context">
		</parameter>
		</method>
		</class>
		<class name="SslErrorHandler"
		extends="android.os.Handler"
		abstract="false"

core/java/android/webkit/PluginActivity.java

0 → 100644

+67 −0

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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.view.View;

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

		/* package */ static final String INTENT_EXTRA_PACKAGE_NAME =
		"android.webkit.plugin.PACKAGE_NAME";
		/* package */ static final String INTENT_EXTRA_CLASS_NAME =
		"android.webkit.plugin.CLASS_NAME";
		/* 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) {
		// No intent means no class to lookup.
		finish();
		}
		final String packageName =
		intent.getStringExtra(INTENT_EXTRA_PACKAGE_NAME);
		final String className = intent.getStringExtra(INTENT_EXTRA_CLASS_NAME);
		final int npp = intent.getIntExtra(INTENT_EXTRA_NPP_INSTANCE, -1);
		// Retrieve the PluginStub implemented in packageName.className
		PluginStub stub =
		PluginUtil.getPluginStub(this, packageName, className, npp);

		if (stub != null) {
		View pluginView = stub.getFullScreenView(this);
		if (pluginView != null) {
		setContentView(pluginView);
		} else {
		// No custom full-sreen view returned by the plugin, odd but
		// just in case, finish the activity.
		finish();
		}
		} else {
		finish();
		}
		}
		}

core/java/android/webkit/PluginStub.java

0 → 100644

+50 −0

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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.content.Context;
		import android.view.View;

		/**
		* This abstract class is used to implement plugins in a WebView. A plugin
		* package may extend this class and implement the abstract functions to create
		* embedded or fullscreeen views displayed in a WebView. The PluginStub
		* implementation will be provided the same NPP instance that is created
		* through the native interface.
		*/
		public abstract class PluginStub {
		/**
		* Construct a new PluginStub implementation for the given NPP instance.
		* @param npp The native NPP instance.
		*/
		public PluginStub(int npp) { }

		/**
		* Return a custom embedded view to draw the plugin.
		* @param context The current application's Context.
		* @return A custom View that will be managed by WebView.
		*/
		public abstract View getEmbeddedView(Context context);

		/**
		* Return a custom full-screen view to be displayed when the user requests
		* a plugin display as full-screen. Note that the application may choose not
		* to display this View as completely full-screen.
		* @param context The current application's Context.
		* @return A custom View that will be managed by the application.
		*/
		public abstract View getFullScreenView(Context context);
		}

core/java/android/webkit/PluginUtil.java

0 → 100644

+62 −0

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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.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;
		}
		}