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Commit c4e06201 authored by Winson Chung's avatar Winson Chung
Browse files

Adding hit target hint from SysUI to launcher to defer recents animation 

Bug: 73242451
Test: Swipe up over back with suitable launcher build and ensure that we
      don't start the recents animation on touch down

Change-Id: I3022ced8803caf9555efdbd9681c8ee2e627a216
parent 7b7b3b20

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

+8 −0
Original line number Diff line number Diff line
@@ -22,6 +22,14 @@ import com.android.systemui.shared.recents.ISystemUiProxy; 
oneway interface IOverviewProxy {

    void onBind(in ISystemUiProxy sysUiProxy);



    /**

     * 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

     */

    void onPreMotionEvent(int downHitTarget);



    /**

     * Proxies motion events from the nav bar in SystemUI to the OverviewProxyService. The sender

     * guarantees the following order of events:

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

0 → 100644
+31 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2018 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.annotation.IntDef;

import java.lang.annotation.Retention;

import java.lang.annotation.RetentionPolicy;



public class NavigationBarCompat {

    @Retention(RetentionPolicy.SOURCE)

    @IntDef({HIT_TARGET_NONE, HIT_TARGET_BACK, HIT_TARGET_HOME})

    public @interface HitTarget{}



    public static final int HIT_TARGET_NONE = 0;

    public static final int HIT_TARGET_BACK = 1;

    public static final int HIT_TARGET_HOME = 2;

}

packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarGestureHelper.java

+5 −2
Original line number Diff line number Diff line
@@ -131,6 +131,9 @@ public class NavigationBarGestureHelper implements TunerService.Tunable, Gesture 
            mNavigationBarView.requestUnbufferedDispatch(event);

            event.transform(mTransformGlobalMatrix);

            try {

                if (event.getActionMasked() == MotionEvent.ACTION_DOWN) {

                    overviewProxy.onPreMotionEvent(mNavigationBarView.getDownHitTarget());

                }

                overviewProxy.onMotionEvent(event);

                if (DEBUG_OVERVIEW_PROXY) {

                    Log.d(TAG_OPS, "Send MotionEvent: " + event.toString());
@@ -146,8 +149,8 @@ public class NavigationBarGestureHelper implements TunerService.Tunable, Gesture 
    }



    public boolean onInterceptTouchEvent(MotionEvent event) {

        int action = event.getAction();

        switch (action & MotionEvent.ACTION_MASK) {

        int action = event.getActionMasked();

        switch (action) {

            case MotionEvent.ACTION_DOWN: {

                mTouchDownX = (int) event.getX();

                mTouchDownY = (int) event.getY();

packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java

+41 −0
Original line number Diff line number Diff line
@@ -16,6 +16,11 @@ 


package com.android.systemui.statusbar.phone;



import static android.view.MotionEvent.ACTION_DOWN;

import static com.android.systemui.shared.system.NavigationBarCompat.HIT_TARGET_BACK;

import static com.android.systemui.shared.system.NavigationBarCompat.HIT_TARGET_HOME;

import static com.android.systemui.shared.system.NavigationBarCompat.HIT_TARGET_NONE;



import android.animation.Animator;

import android.animation.AnimatorListenerAdapter;

import android.animation.LayoutTransition;
@@ -61,6 +66,7 @@ import com.android.systemui.plugins.PluginManager; 
import com.android.systemui.plugins.statusbar.phone.NavGesture;

import com.android.systemui.plugins.statusbar.phone.NavGesture.GestureHelper;

import com.android.systemui.recents.RecentsOnboarding;

import com.android.systemui.shared.system.NavigationBarCompat;

import com.android.systemui.stackdivider.Divider;

import com.android.systemui.statusbar.policy.DeadZone;

import com.android.systemui.statusbar.policy.KeyButtonDrawable;
@@ -95,6 +101,11 @@ public class NavigationBarView extends FrameLayout implements PluginListener<Nav 
    int mDisabledFlags = 0;

    int mNavigationIconHints = 0;



    private @NavigationBarCompat.HitTarget int mDownHitTarget = HIT_TARGET_NONE;

    private Rect mHomeButtonBounds = new Rect();

    private Rect mBackButtonBounds = new Rect();

    private int[] mTmpPosition = new int[2];



    private KeyButtonDrawable mBackIcon, mBackLandIcon, mBackAltIcon, mBackAltLandIcon;

    private KeyButtonDrawable mBackCarModeIcon, mBackLandCarModeIcon;

    private KeyButtonDrawable mBackAltCarModeIcon, mBackAltLandCarModeIcon;
@@ -284,6 +295,18 @@ public class NavigationBarView extends FrameLayout implements PluginListener<Nav 


    @Override

    public boolean onInterceptTouchEvent(MotionEvent event) {

        switch (event.getActionMasked()) {

            case ACTION_DOWN:

                int x = (int) event.getX();

                int y = (int) event.getY();

                mDownHitTarget = HIT_TARGET_NONE;

                if (mBackButtonBounds.contains(x, y)) {

                    mDownHitTarget = HIT_TARGET_BACK;

                } else if (mHomeButtonBounds.contains(x, y)) {

                    mDownHitTarget = HIT_TARGET_HOME;

                }

                break;

        }

        return mGestureHelper.onInterceptTouchEvent(event);

    }
@@ -295,6 +318,10 @@ public class NavigationBarView extends FrameLayout implements PluginListener<Nav 
        return super.onTouchEvent(event);

    }



    public @NavigationBarCompat.HitTarget int getDownHitTarget() {

        return mDownHitTarget;

    }



    public void abortCurrentGesture() {

        getHomeButton().abortCurrentGesture();

    }
@@ -783,9 +810,23 @@ public class NavigationBarView extends FrameLayout implements PluginListener<Nav 
    @Override

    protected void onLayout(boolean changed, int left, int top, int right, int bottom) {

        super.onLayout(changed, left, top, right, bottom);

        updateButtonLocationOnScreen(getBackButton(), mBackButtonBounds);

        updateButtonLocationOnScreen(getHomeButton(), mHomeButtonBounds);

        mGestureHelper.onLayout(changed, left, top, right, bottom);

    }



    private void updateButtonLocationOnScreen(ButtonDispatcher button, Rect buttonBounds) {

        View view = button.getCurrentView();

        if (view == null) {

            buttonBounds.setEmpty();

            return;

        }

        view.getLocationInWindow(mTmpPosition);

        buttonBounds.set(mTmpPosition[0], mTmpPosition[1],

                mTmpPosition[0] + view.getMeasuredWidth(),

                mTmpPosition[1] + view.getMeasuredHeight());

    }



    private void updateRotatedViews() {

        mRotatedViews[Surface.ROTATION_0] =

                mRotatedViews[Surface.ROTATION_180] = findViewById(R.id.rot0);

packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickScrubController.java

+4 −14
Original line number Diff line number Diff line
@@ -53,6 +53,7 @@ import static android.view.WindowManagerPolicyConstants.NAV_BAR_LEFT; 
import static android.view.WindowManagerPolicyConstants.NAV_BAR_BOTTOM;

import static com.android.systemui.OverviewProxyService.DEBUG_OVERVIEW_PROXY;

import static com.android.systemui.OverviewProxyService.TAG_OPS;

import static com.android.systemui.shared.system.NavigationBarCompat.HIT_TARGET_HOME;



/**

 * Class to detect gestures on the navigation bar and implement quick scrub and switch.
@@ -92,7 +93,6 @@ public class QuickScrubController extends GestureDetector.SimpleOnGestureListene 
    private final Handler mHandler = new Handler();

    private final Interpolator mQuickScrubEndInterpolator = new DecelerateInterpolator();

    private final Rect mTrackRect = new Rect();

    private final Rect mHomeButtonRect = new Rect();

    private final Paint mTrackPaint = new Paint();

    private final int mScrollTouchSlop;

    private final OverviewProxyService mOverviewEventSender;
@@ -138,7 +138,7 @@ public class QuickScrubController extends GestureDetector.SimpleOnGestureListene 
            @Override

            public boolean onFling(MotionEvent e1, MotionEvent e2, float velX, float velY) {

                if (!isQuickScrubEnabled() || mQuickScrubActive || !mAllowQuickSwitch ||

                        !mHomeButtonRect.contains(mTouchDownX, mTouchDownY)) {

                        mNavigationBarView.getDownHitTarget() != HIT_TARGET_HOME) {

                    return false;

                }

                float velocityX = mIsRTL ? -velX : velX;
@@ -226,7 +226,8 @@ public class QuickScrubController extends GestureDetector.SimpleOnGestureListene 
            case MotionEvent.ACTION_DOWN: {

                int x = (int) event.getX();

                int y = (int) event.getY();

                if (isQuickScrubEnabled() && mHomeButtonRect.contains(x, y)) {

                if (isQuickScrubEnabled()

                        && mNavigationBarView.getDownHitTarget() == HIT_TARGET_HOME) {

                    mTouchDownX = x;

                    mTouchDownY = y;

                    homeButton.setDelayTouchFeedback(true);
@@ -346,17 +347,6 @@ public class QuickScrubController extends GestureDetector.SimpleOnGestureListene 
            x2 = x1 + width / 2 - mTrackPadding;

        }

        mTrackRect.set(x1, y1, x2, y2);



        // Get the touch rect of the home button location

        View homeView = mNavigationBarView.getHomeButton().getCurrentView();

        if (homeView != null) {

            int[] globalHomePos = homeView.getLocationOnScreen();

            int[] globalNavBarPos = mNavigationBarView.getLocationOnScreen();

            int homeX = globalHomePos[0] - globalNavBarPos[0];

            int homeY = globalHomePos[1] - globalNavBarPos[1];

            mHomeButtonRect.set(homeX, homeY, homeX + homeView.getMeasuredWidth(),

                    homeY + homeView.getMeasuredHeight());

        }

    }



    @Override