Adding support for passing touchevents through InputDispatcher (aac6c886) · Commits · e / os / android_frameworks_base

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

+34 −11

Original line number	Diff line number	Diff line
		@@ -16,19 +16,32 @@

		package com.android.systemui.shared.recents;

		import android.graphics.Region;
		import android.os.Bundle;
		import android.view.MotionEvent;
		import com.android.systemui.shared.recents.ISystemUiProxy;

		oneway interface IOverviewProxy {
		void onBind(in ISystemUiProxy sysUiProxy);

		void onActiveNavBarRegionChanges(in Region activeRegion) = 11;

		void onInitialize(in Bundle params) = 12;


		/**
		* @deprecated
		*/
		void onBind(in ISystemUiProxy sysUiProxy) = 0;

		/**
		* Called once immediately prior to the first onMotionEvent() call, providing a hint to the
		* target the initial source of the subsequent motion events.
		*
		* @param downHitTarget is one of the {@link NavigationBarCompat.HitTarget}s
		*
		* @deprecated
		*/
		void onPreMotionEvent(int downHitTarget);
		void onPreMotionEvent(int downHitTarget) = 1;

		/**
		* Proxies motion events from the nav bar in SystemUI to the OverviewProxyService. The sender
		@@ -38,40 +51,48 @@ oneway interface IOverviewProxy {
		* Quick scrub: DOWN, (MOVE/POINTER_DOWN/POINTER_UP), SCRUB_START, SCRUB_PROGRESS, SCRUB_END
		*
		* Once quick scrub is sent, then no further motion events will be provided.
		*
		* @deprecated
		*/
		void onMotionEvent(in MotionEvent event);
		void onMotionEvent(in MotionEvent event) = 2;

		/**
		* Sent when the user starts to actively scrub the nav bar to switch tasks. Once this event is
		* sent the caller will stop sending any motion events and will no longer preemptively cancel
		* any recents animations started as a part of the motion event handling.
		*
		* @deprecated
		*/
		void onQuickScrubStart();
		void onQuickScrubStart() = 3;

		/**
		* Sent when the user stops actively scrubbing the nav bar to switch tasks.
		*
		* @deprecated
		*/
		void onQuickScrubEnd();
		void onQuickScrubEnd() = 4;

		/**
		* Sent for each movement over the nav bar while the user is scrubbing it to switch tasks.
		*
		* @deprecated
		*/
		void onQuickScrubProgress(float progress);
		void onQuickScrubProgress(float progress) = 5;

		/**
		* Sent when overview button is pressed to toggle show/hide of overview.
		*/
		void onOverviewToggle();
		void onOverviewToggle() = 6;

		/**
		* Sent when overview is to be shown.
		*/
		void onOverviewShown(boolean triggeredFromAltTab);
		void onOverviewShown(boolean triggeredFromAltTab) = 7;

		/**
		* Sent when overview is to be hidden.
		*/
		void onOverviewHidden(boolean triggeredFromAltTab, boolean triggeredFromHomeKey);
		void onOverviewHidden(boolean triggeredFromAltTab, boolean triggeredFromHomeKey) = 8;

		/**
		* Sent when a user swipes up over the navigation bar to launch overview. Swipe up is determined
		@@ -83,11 +104,13 @@ oneway interface IOverviewProxy {
		* visible, this event will still be sent if user swipes up). When this signal is sent,
		* navigation bar will not handle any gestures such as quick scrub and the home button will
		* cancel (long) press.
		*
		* @deprecated
		*/
		void onQuickStep(in MotionEvent event);
		void onQuickStep(in MotionEvent event) = 9;

		/**
		* Sent when there was an action on one of the onboarding tips view.
		*/
		void onTip(int actionType, int viewType);
		void onTip(int actionType, int viewType) = 10;
		}

packages/SystemUI/shared/src/com/android/systemui/shared/system/InputChannelCompat.java

+12 −1

Original line number	Diff line number	Diff line
		@@ -16,6 +16,7 @@

		package com.android.systemui.shared.system;

		import android.os.Bundle;
		import android.os.Looper;
		import android.util.Pair;
		import android.view.BatchedInputEventReceiver;
		@@ -52,6 +53,16 @@ public class InputChannelCompat {
		return Pair.create(dispatcher, receiver);
		}

		/**
		* Creates a dispatcher from the extras received as part on onInitialize
		*/
		public static InputEventReceiver fromBundle(Bundle params, String key,
		Looper looper, Choreographer choreographer, InputEventListener listener) {

		InputChannel channel = params.getParcelable(key);
		return new InputEventReceiver(channel, looper, choreographer, listener);
		}

		/**
		* @see BatchedInputEventReceiver
		*/
		@@ -90,7 +101,7 @@ public class InputChannelCompat {
		private final InputChannel mInputChannel;
		private final InputEventSender mSender;

		private InputEventDispatcher(InputChannel inputChannel, Looper looper) {
		public InputEventDispatcher(InputChannel inputChannel, Looper looper) {
		mInputChannel = inputChannel;
		mSender = new InputEventSender(inputChannel, looper) { };
		}

packages/SystemUI/shared/src/com/android/systemui/shared/system/NavigationBarCompat.java

+4 −24

Original line number	Diff line number	Diff line
		@@ -17,31 +17,15 @@
		package com.android.systemui.shared.system;

		import android.annotation.IntDef;
		import android.content.Context;
		import android.content.res.Resources;
		import android.util.DisplayMetrics;

		import java.lang.annotation.Retention;
		import java.lang.annotation.RetentionPolicy;

		public class NavigationBarCompat {
		/**
		* Touch slopes and thresholds for quick step operations. Drag slop is the point where the
		* home button press/long press over are ignored and will start to drag when exceeded and the
		* touch slop is when the respected operation will occur when exceeded. Touch slop must be
		* larger than the drag slop.
		* TODO: Remove this class
		*/
		public static int getQuickStepDragSlopPx() {
		return convertDpToPixel(10);
		}

		public static int getQuickStepTouchSlopPx() {
		return convertDpToPixel(24);
		}
		public class NavigationBarCompat extends QuickStepContract {

		public static int getQuickScrubTouchSlopPx() {
		return convertDpToPixel(24);
		}

		@Retention(RetentionPolicy.SOURCE)
		@IntDef({HIT_TARGET_NONE, HIT_TARGET_BACK, HIT_TARGET_HOME, HIT_TARGET_OVERVIEW})
		@@ -75,8 +59,4 @@ public class NavigationBarCompat {
		* Interaction type: show/hide the overview button while this service is connected to launcher
		*/
		public static final int FLAG_SHOW_OVERVIEW_BUTTON = 0x4;

		private static int convertDpToPixel(float dp){
		return (int) (dp * Resources.getSystem().getDisplayMetrics().density);
		}
		}

packages/SystemUI/shared/src/com/android/systemui/shared/system/QuickStepContract.java

0 → 100644

+52 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2019 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.system;

		import android.content.res.Resources;

		/**
		* Various shared constants between Launcher and SysUI as part of quickstep
		*/
		public class QuickStepContract {

		public static final String KEY_EXTRA_SYSUI_PROXY = "extra_sysui_proxy";
		public static final String KEY_EXTRA_INPUT_CHANNEL = "extra_input_channel";
		public static final String KEY_EXTRA_WINDOW_CORNER_RADIUS = "extra_window_corner_radius";
		public static final String KEY_EXTRA_SUPPORTS_WINDOW_CORNERS = "extra_supports_window_corners";

		/**
		* Touch slopes and thresholds for quick step operations. Drag slop is the point where the
		* home button press/long press over are ignored and will start to drag when exceeded and the
		* touch slop is when the respected operation will occur when exceeded. Touch slop must be
		* larger than the drag slop.
		*/
		public static int getQuickStepDragSlopPx() {
		return convertDpToPixel(10);
		}

		public static int getQuickStepTouchSlopPx() {
		return convertDpToPixel(24);
		}

		public static int getQuickScrubTouchSlopPx() {
		return convertDpToPixel(24);
		}

		private static int convertDpToPixel(float dp) {
		return (int) (dp * Resources.getSystem().getDisplayMetrics().density);
		}
		}

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

+66 −0

Original line number	Diff line number	Diff line
		@@ -24,6 +24,10 @@ import static android.view.MotionEvent.ACTION_UP;
		import static com.android.systemui.shared.system.NavigationBarCompat.FLAG_DISABLE_SWIPE_UP;
		import static com.android.systemui.shared.system.NavigationBarCompat.FLAG_SHOW_OVERVIEW_BUTTON;
		import static com.android.systemui.shared.system.NavigationBarCompat.InteractionType;
		import static com.android.systemui.shared.system.QuickStepContract.KEY_EXTRA_INPUT_CHANNEL;
		import static com.android.systemui.shared.system.QuickStepContract.KEY_EXTRA_SUPPORTS_WINDOW_CORNERS;
		import static com.android.systemui.shared.system.QuickStepContract.KEY_EXTRA_SYSUI_PROXY;
		import static com.android.systemui.shared.system.QuickStepContract.KEY_EXTRA_WINDOW_CORNER_RADIUS;

		import android.content.BroadcastReceiver;
		import android.content.ComponentName;
		@@ -32,7 +36,9 @@ import android.content.Intent;
		import android.content.IntentFilter;
		import android.content.ServiceConnection;
		import android.graphics.Rect;
		import android.graphics.Region;
		import android.os.Binder;
		import android.os.Bundle;
		import android.os.Handler;
		import android.os.IBinder;
		import android.os.Looper;
		@@ -41,6 +47,7 @@ import android.os.RemoteException;
		import android.os.UserHandle;
		import android.provider.Settings;
		import android.util.Log;
		import android.view.InputChannel;
		import android.view.MotionEvent;

		import com.android.internal.policy.ScreenDecorationsUtils;
		@@ -51,6 +58,7 @@ import com.android.systemui.recents.OverviewProxyService.OverviewProxyListener;
		import com.android.systemui.shared.recents.IOverviewProxy;
		import com.android.systemui.shared.recents.ISystemUiProxy;
		import com.android.systemui.shared.system.ActivityManagerWrapper;
		import com.android.systemui.shared.system.InputChannelCompat.InputEventDispatcher;
		import com.android.systemui.stackdivider.Divider;
		import com.android.systemui.statusbar.phone.StatusBar;
		import com.android.systemui.statusbar.policy.CallbackController;
		@@ -93,6 +101,8 @@ public class OverviewProxyService implements CallbackController<OverviewProxyLis
		private final List<OverviewProxyListener> mConnectionCallbacks = new ArrayList<>();
		private final Intent mQuickStepIntent;

		private Region mActiveNavBarRegion;

		private IOverviewProxy mOverviewProxy;
		private int mConnectionBackoffAttempts;
		private @InteractionType int mInteractionFlags;
		@@ -103,6 +113,8 @@ public class OverviewProxyService implements CallbackController<OverviewProxyLis
		private float mWindowCornerRadius;
		private boolean mSupportsRoundedCornersOnWindows;

		private InputEventDispatcher mInputEventDispatcher;

		private ISystemUiProxy mSysUiProxy = new ISystemUiProxy.Stub() {

		public void startScreenPinning(int taskId) {
		@@ -309,6 +321,20 @@ public class OverviewProxyService implements CallbackController<OverviewProxyLis
		mCurrentBoundedUserId = -1;
		Log.e(TAG_OPS, "Failed to call onBind()", e);
		}

		Bundle params = new Bundle();
		params.putBinder(KEY_EXTRA_SYSUI_PROXY, mSysUiProxy.asBinder());
		params.putParcelable(KEY_EXTRA_INPUT_CHANNEL, createNewInputDispatcher());
		params.putFloat(KEY_EXTRA_WINDOW_CORNER_RADIUS, mWindowCornerRadius);
		params.putBoolean(KEY_EXTRA_SUPPORTS_WINDOW_CORNERS, mSupportsRoundedCornersOnWindows);
		try {
		mOverviewProxy.onInitialize(params);
		} catch (RemoteException e) {
		// Ignore error until the migration is complete.
		Log.e(TAG_OPS, "Failed to call onBind()", e);
		}
		dispatchNavButtonBounds();

		notifyConnectionChanged();
		}

		@@ -317,6 +343,7 @@ public class OverviewProxyService implements CallbackController<OverviewProxyLis
		Log.w(TAG_OPS, "Null binding of '" + name + "', try reconnecting");
		mCurrentBoundedUserId = -1;
		retryConnectionWithBackoff();
		disposeInputDispatcher();
		}

		@Override
		@@ -324,15 +351,32 @@ public class OverviewProxyService implements CallbackController<OverviewProxyLis
		Log.w(TAG_OPS, "Binding died of '" + name + "', try reconnecting");
		mCurrentBoundedUserId = -1;
		retryConnectionWithBackoff();
		disposeInputDispatcher();
		}

		@Override
		public void onServiceDisconnected(ComponentName name) {
		// Do nothing
		mCurrentBoundedUserId = -1;
		disposeInputDispatcher();
		}
		};

		private void disposeInputDispatcher() {
		if (mInputEventDispatcher != null) {
		mInputEventDispatcher.dispose();
		mInputEventDispatcher = null;
		}
		}

		private InputChannel createNewInputDispatcher() {
		disposeInputDispatcher();

		InputChannel[] channels = InputChannel.openInputChannelPair("overview-proxy-service");
		mInputEventDispatcher = new InputEventDispatcher(channels[0], Looper.getMainLooper());
		return channels[1];
		}

		private final DeviceProvisionedListener mDeviceProvisionedCallback =
		new DeviceProvisionedListener() {
		@Override
		@@ -382,6 +426,24 @@ public class OverviewProxyService implements CallbackController<OverviewProxyLis
		}
		}

		/**
		* Sets the navbar region which can receive touch inputs
		*/
		public void onActiveNavBarRegionChanges(Region activeRegion) {
		mActiveNavBarRegion = activeRegion;
		dispatchNavButtonBounds();
		}

		private void dispatchNavButtonBounds() {
		if (mOverviewProxy != null && mActiveNavBarRegion != null) {
		try {
		mOverviewProxy.onActiveNavBarRegionChanges(mActiveNavBarRegion);
		} catch (RemoteException e) {
		Log.e(TAG_OPS, "Failed to call onActiveNavBarRegionChanges()", e);
		}
		}
		}

		public float getBackButtonAlpha() {
		return mBackButtonAlpha;
		}
		@@ -477,6 +539,10 @@ public class OverviewProxyService implements CallbackController<OverviewProxyLis
		return mOverviewProxy;
		}

		public InputEventDispatcher getInputEventDispatcher() {
		return mInputEventDispatcher;
		}

		public int getInteractionFlags() {
		return mInteractionFlags;
		}