Merge "Started code to pipe overview events and info to launcher" (7eb5d27a) · Commits · e / os / android_frameworks_base

packages/SystemUI/res/values/config.xml

+3 −0

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		@@ -45,6 +45,9 @@
		interface. This name is in the ComponentName flattened format (package/class) -->
		<string name="config_statusBarComponent" translatable="false">com.android.systemui.statusbar.phone.StatusBar</string>

		<!-- Component name of launcher service for overview to connect to -->
		<string name="config_overviewServiceComponent" translateable="false">com.android.launcher3/com.android.quickstep.TouchInteractionService</string>

		<!-- Whether or not we show the number in the bar. -->
		<bool name="config_statusBarShowNumber">false</bool>

packages/SystemUI/shared/Android.mk

+1 −1

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		@@ -21,7 +21,7 @@ LOCAL_MODULE_TAGS := optional

		LOCAL_MODULE := SystemUISharedLib

		LOCAL_SRC_FILES := $(call all-java-files-under, src)
		LOCAL_SRC_FILES := $(call all-java-files-under, src) $(call all-Iaidl-files-under, src)

		LOCAL_RESOURCE_DIR := $(LOCAL_PATH)/res
		LOCAL_JAR_EXCLUDE_FILES := none

packages/SystemUI/shared/src/com/android/systemui/shared/recents/model/IOverviewProxy.aidl

0 → 100644

+23 −0

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		/*
		* Copyright (C) 2017 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.shared.recents.model;

		import android.view.MotionEvent;

		oneway interface IOverviewProxy {
		void onMotionEvent(in MotionEvent event);
		}

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

+2 −0

Original line number	Diff line number	Diff line
		@@ -308,6 +308,8 @@ public class Dependency extends SystemUI {

		mProviders.put(IWindowManager.class, () -> WindowManagerGlobal.getWindowManagerService());

		mProviders.put(OverviewProxyService.class, () -> new OverviewProxyService(mContext));

		// Put all dependencies above here so the factory can override them if it wants.
		SystemUIFactory.getInstance().injectDependencies(mProviders, mContext);
		}

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

0 → 100644

+130 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2017 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.content.ComponentName;
		import android.content.Context;
		import android.content.Intent;
		import android.content.ServiceConnection;
		import android.os.Handler;
		import android.os.IBinder;
		import android.os.RemoteException;
		import android.os.UserHandle;
		import android.util.Log;
		import com.android.systemui.shared.recents.model.IOverviewProxy;
		import com.android.systemui.statusbar.policy.DeviceProvisionedController;
		import com.android.systemui.statusbar.policy.DeviceProvisionedController.DeviceProvisionedListener;

		/**
		* Class to send information from overview to launcher with a binder.
		*/
		public class OverviewProxyService {

		private static final String TAG = "OverviewProxyService";
		private static final long BACKOFF_MILLIS = 5000;

		private final Context mContext;
		private final Handler mHandler;
		private final Runnable mConnectionRunnable = this::startConnectionToCurrentUser;
		private final DeviceProvisionedController mDeviceProvisionedController
		= Dependency.get(DeviceProvisionedController.class);

		private IOverviewProxy mOverviewProxy;
		private int mConnectionBackoffAttempts;

		private final ServiceConnection mOverviewServiceConnection = new ServiceConnection() {
		@Override
		public void onServiceConnected(ComponentName name, IBinder service) {
		if (service != null) {
		mConnectionBackoffAttempts = 0;
		mOverviewProxy = IOverviewProxy.Stub.asInterface(service);
		// Listen for launcher's death
		try {
		service.linkToDeath(mOverviewServiceDeathRcpt, 0);
		} catch (RemoteException e) {
		Log.e(TAG, "Lost connection to launcher service", e);
		}
		}
		}

		@Override
		public void onServiceDisconnected(ComponentName name) {
		// Do nothing
		}
		};

		private final DeviceProvisionedListener mDeviceProvisionedCallback =
		new DeviceProvisionedListener() {
		@Override
		public void onDeviceProvisionedChanged() {
		if (mDeviceProvisionedController.isCurrentUserSetup()) {
		startConnectionToCurrentUser();
		}
		}

		@Override
		public void onUserSwitched() {
		disconnectFromLauncherService();
		mConnectionBackoffAttempts = 0;
		startConnectionToCurrentUser();
		}
		};

		// This is the death handler for the binder from the launcher service
		private final IBinder.DeathRecipient mOverviewServiceDeathRcpt = new IBinder.DeathRecipient() {
		@Override
		public void binderDied() {
		mOverviewProxy = null;
		}
		};

		public OverviewProxyService(Context context) {
		mContext = context;
		mHandler = new Handler();
		mConnectionBackoffAttempts = 0;
		mDeviceProvisionedController.addCallback(mDeviceProvisionedCallback);
		}

		public void startConnectionToCurrentUser() {
		// If user has not setup yet or already connected, do not try to connect
		if (!mDeviceProvisionedController.isCurrentUserSetup() \|\| mOverviewProxy != null) {
		return;
		}
		mHandler.removeCallbacks(mConnectionRunnable);
		Intent launcherServiceIntent = new Intent();
		launcherServiceIntent.setComponent(ComponentName.unflattenFromString(
		mContext.getString(R.string.config_overviewServiceComponent)));
		boolean bound = mContext.bindServiceAsUser(launcherServiceIntent,
		mOverviewServiceConnection, Context.BIND_AUTO_CREATE,
		UserHandle.getUserHandleForUid(mDeviceProvisionedController.getCurrentUser()));
		if (!bound) {
		// Retry after exponential backoff timeout
		final long timeoutMs = (long) Math.scalb(BACKOFF_MILLIS, mConnectionBackoffAttempts);
		mHandler.postDelayed(mConnectionRunnable, timeoutMs);
		mConnectionBackoffAttempts++;
		}
		}

		public IOverviewProxy getProxy() {
		return mOverviewProxy;
		}

		private void disconnectFromLauncherService() {
		mContext.unbindService(mOverviewServiceConnection);
		mOverviewProxy = null;
		}
		}