Merge "Add PluginInflateContainer" (31d2280c) · Commits · e / os / android_frameworks_base

packages/SystemUI/plugin/src/com/android/systemui/plugins/ViewProvider.java

0 → 100644

+21 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2016 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 com.android.systemui.plugins;

		import android.view.View;

		public interface ViewProvider extends Plugin {
		View getView();
		}

packages/SystemUI/res/values/attrs.xml

+4 −0

Original line number	Diff line number	Diff line
		@@ -108,5 +108,9 @@
		<attr name="enableAutoSizing" format="boolean" />
		<attr name="itemHeight" format="dimension" />
		</declare-styleable>

		<declare-styleable name="PluginInflateContainer">
		<attr name="viewType" format="string" />
		</declare-styleable>
		</resources>

packages/SystemUI/src/com/android/systemui/AutoReinflateContainer.java

+6 −2

Original line number	Diff line number	Diff line
		@@ -72,9 +72,13 @@ public class AutoReinflateContainer extends FrameLayout {
		}
		}

		private void inflateLayout() {
		removeAllViews();
		protected void inflateLayoutImpl() {
		LayoutInflater.from(getContext()).inflate(mLayout, this);
		}

		protected void inflateLayout() {
		removeAllViews();
		inflateLayoutImpl();
		final int N = mInflateListeners.size();
		for (int i = 0; i < N; i++) {
		mInflateListeners.get(i).onInflated(getChildAt(0));

packages/SystemUI/src/com/android/systemui/PluginInflateContainer.java

0 → 100644

+111 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2016 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 com.android.systemui;

		import android.annotation.Nullable;
		import android.content.Context;
		import android.content.res.TypedArray;
		import android.util.AttributeSet;
		import android.util.Log;
		import android.view.View;

		import com.android.systemui.plugins.PluginListener;
		import com.android.systemui.plugins.PluginManager;
		import com.android.systemui.plugins.ViewProvider;

		/**
		* Define an interface or abstract class as follows that includes the
		* version and action.
		*
		* public interface MyInterface {
		* public static final String ACTION =
		* "com.android.systemui.action.PLUGIN_MYINTERFACE";
		*
		* public static final int VERSION = 1;
		*
		* void myImportantInterface();
		* }
		*
		* Then put in a PluginInflateContainer to use and specify the interface
		* or class that will be implemented as viewType. The layout specified
		* will be used by default and whenever a plugin is not present.
		*
		* <com.android.systemui.PluginInflateContainer
		* android:id="@+id/some_id"
		* android:layout_width="match_parent"
		* android:layout_height="match_parent"
		* android:layout="@layout/my_default_component"
		* systemui:viewType="com.android.systemui.plugins.MyInterface" />
		*/
		public class PluginInflateContainer extends AutoReinflateContainer
		implements PluginListener<ViewProvider> {

		private static final String TAG = "PluginInflateContainer";

		private String mAction;
		private int mVersion;
		private View mPluginView;

		public PluginInflateContainer(Context context, @Nullable AttributeSet attrs) {
		super(context, attrs);
		TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.PluginInflateContainer);
		String viewType = a.getString(R.styleable.PluginInflateContainer_viewType);
		try {
		Class c = Class.forName(viewType);
		mAction = (String) c.getDeclaredField("ACTION").get(null);
		mVersion = (int) c.getDeclaredField("VERSION").get(null);
		} catch (Exception e) {
		Log.d(TAG, "Problem getting class info " + viewType, e);
		mAction = null;
		mVersion = 0;
		}
		}

		@Override
		protected void onAttachedToWindow() {
		super.onAttachedToWindow();
		if (mAction != null) {
		PluginManager.getInstance(getContext()).addPluginListener(mAction, this, mVersion);
		}
		}

		@Override
		protected void onDetachedFromWindow() {
		super.onDetachedFromWindow();
		if (mAction != null) {
		PluginManager.getInstance(getContext()).removePluginListener(this);
		}
		}

		@Override
		protected void inflateLayoutImpl() {
		if (mPluginView != null) {
		addView(mPluginView);
		} else {
		super.inflateLayoutImpl();
		}
		}

		@Override
		public void onPluginConnected(ViewProvider plugin) {
		mPluginView = plugin.getView();
		inflateLayout();
		}

		@Override
		public void onPluginDisconnected(ViewProvider plugin) {
		mPluginView = null;
		inflateLayout();
		}
		}