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Commit 1630b874 authored by Jason Monk's avatar Jason Monk Committed by android-build-merger
Browse files

Merge "Make it easier to click on phone nav buttons" into oc-dr1-dev am: 7d08ca6e am: 29b1a86a 

am: 8a367113

Change-Id: I78a1446dd91cf19db9a866e12d4dccebac7bf684
parents fc1a8ac8 8a367113

packages/SystemUI/res/layout/navigation_layout.xml

+2 −2
Original line number Diff line number Diff line
@@ -24,7 +24,7 @@ 
    android:paddingStart="8dp"

    android:paddingEnd="8dp">



    <FrameLayout

    <com.android.systemui.statusbar.phone.NearestTouchFrame

        android:id="@+id/nav_buttons"

        android:layout_width="match_parent"

        android:layout_height="match_parent">
@@ -44,7 +44,7 @@ 
            android:orientation="horizontal"

            android:clipChildren="false" />



    </FrameLayout>

    </com.android.systemui.statusbar.phone.NearestTouchFrame>



    <com.android.systemui.statusbar.policy.DeadZone

        android:id="@+id/deadzone"

packages/SystemUI/res/layout/navigation_layout_rot90.xml

+2 −2
Original line number Diff line number Diff line
@@ -24,7 +24,7 @@ 
    android:paddingTop="8dp"

    android:paddingBottom="8dp">



    <FrameLayout

    <com.android.systemui.statusbar.phone.NearestTouchFrame

        android:id="@+id/nav_buttons"

        android:layout_width="match_parent"

        android:layout_height="match_parent">
@@ -44,7 +44,7 @@ 
            android:orientation="vertical"

            android:clipChildren="false" />



    </FrameLayout>

    </com.android.systemui.statusbar.phone.NearestTouchFrame>



    <com.android.systemui.statusbar.policy.DeadZone

        android:id="@+id/deadzone"

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

0 → 100644
+108 −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.statusbar.phone;



import android.content.Context;

import android.graphics.Rect;

import android.util.AttributeSet;

import android.util.Log;

import android.util.Pair;

import android.view.MotionEvent;

import android.view.View;

import android.view.ViewGroup;

import android.widget.FrameLayout;



import com.android.systemui.R;



import java.util.ArrayList;

import java.util.Comparator;



/**

 * Redirects touches that aren't handled by any child view to the nearest

 * clickable child. Only takes effect on <sw600dp.

 */

public class NearestTouchFrame extends FrameLayout {



    private final ArrayList<View> mClickableChildren = new ArrayList<>();

    private final boolean mIsActive;

    private final int[] mTmpInt = new int[2];

    private final int[] mOffset = new int[2];

    private View mTouchingChild;



    public NearestTouchFrame(Context context, AttributeSet attrs) {

        super(context, attrs);

        mIsActive = context.getResources().getConfiguration().smallestScreenWidthDp < 600;

    }



    @Override

    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {

        super.onMeasure(widthMeasureSpec, heightMeasureSpec);

        mClickableChildren.clear();

        addClickableChildren(this);

    }



    @Override

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

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

        getLocationInWindow(mOffset);

    }



    private void addClickableChildren(ViewGroup group) {

        final int N = group.getChildCount();

        for (int i = 0; i < N; i++) {

            View child = group.getChildAt(i);

            if (child.isClickable()) {

                mClickableChildren.add(child);

            } else if (child instanceof ViewGroup) {

                addClickableChildren((ViewGroup) child);

            }

        }

    }



    @Override

    public boolean onTouchEvent(MotionEvent event) {

        if (mIsActive) {

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

                mTouchingChild = findNearestChild(event);

            }

            if (mTouchingChild != null) {

                event.offsetLocation(mTouchingChild.getWidth() / 2 - event.getX(),

                        mTouchingChild.getHeight() / 2 - event.getY());

                return mTouchingChild.dispatchTouchEvent(event);

            }

        }

        return super.onTouchEvent(event);

    }



    private View findNearestChild(MotionEvent event) {

        return mClickableChildren.stream().map(v -> new Pair<>(distance(v, event), v))

                .min(Comparator.comparingInt(f -> f.first)).get().second;

    }



    private int distance(View v, MotionEvent event) {

        v.getLocationInWindow(mTmpInt);

        int left = mTmpInt[0] - mOffset[0];

        int top = mTmpInt[1] - mOffset[1];

        int right = left + v.getWidth();

        int bottom = top + v.getHeight();



        int x = Math.min(Math.abs(left - (int) event.getX()),

                Math.abs((int) event.getX() - right));

        int y = Math.min(Math.abs(top - (int) event.getY()),

                Math.abs((int) event.getY() - bottom));



        return Math.max(x, y);

    }

}

packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyButtonView.java

+5 −0
Original line number Diff line number Diff line
@@ -113,6 +113,11 @@ public class KeyButtonView extends ImageView implements ButtonInterface { 
        setBackground(mRipple);

    }



    @Override

    public boolean isClickable() {

        return mCode != 0 || super.isClickable();

    }



    public void setCode(int code) {

        mCode = code;

    }

packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/NearestTouchFrameTest.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.statusbar.phone;



import static org.mockito.ArgumentMatchers.any;

import static org.mockito.ArgumentMatchers.eq;

import static org.mockito.Mockito.doAnswer;

import static org.mockito.Mockito.mock;

import static org.mockito.Mockito.spy;

import static org.mockito.Mockito.verify;

import static org.mockito.Mockito.when;



import android.support.test.filters.SmallTest;

import android.testing.AndroidTestingRunner;

import android.testing.TestableLooper.RunWithLooper;

import android.view.MotionEvent;

import android.view.View;



import com.android.systemui.SysuiTestCase;



import org.junit.Before;

import org.junit.Test;

import org.junit.runner.RunWith;



@RunWith(AndroidTestingRunner.class)

@RunWithLooper

@SmallTest

public class NearestTouchFrameTest extends SysuiTestCase {



    private NearestTouchFrame mNearestTouchFrame;



    @Before

    public void setup() {

        mNearestTouchFrame = new NearestTouchFrame(mContext, null);

    }



    @Test

    public void testHorizontalSelection_Left() {

        View left = mockViewAt(0, 0, 10, 10);

        View right = mockViewAt(20, 0, 10, 10);



        mNearestTouchFrame.addView(left);

        mNearestTouchFrame.addView(right);

        mNearestTouchFrame.onMeasure(0, 0);



        MotionEvent ev = MotionEvent.obtain(0, 0, 0,

                12 /* x */, 5 /* y */, 0);

        mNearestTouchFrame.onTouchEvent(ev);

        verify(left).onTouchEvent(eq(ev));

        ev.recycle();

    }



    @Test

    public void testHorizontalSelection_Right() {

        View left = mockViewAt(0, 0, 10, 10);

        View right = mockViewAt(20, 0, 10, 10);



        mNearestTouchFrame.addView(left);

        mNearestTouchFrame.addView(right);

        mNearestTouchFrame.onMeasure(0, 0);



        MotionEvent ev = MotionEvent.obtain(0, 0, 0,

                18 /* x */, 5 /* y */, 0);

        mNearestTouchFrame.onTouchEvent(ev);

        verify(right).onTouchEvent(eq(ev));

        ev.recycle();

    }



    @Test

    public void testVerticalSelection_Top() {

        View top = mockViewAt(0, 0, 10, 10);

        View bottom = mockViewAt(0, 20, 10, 10);



        mNearestTouchFrame.addView(top);

        mNearestTouchFrame.addView(bottom);

        mNearestTouchFrame.onMeasure(0, 0);



        MotionEvent ev = MotionEvent.obtain(0, 0, 0,

                5 /* x */, 12 /* y */, 0);

        mNearestTouchFrame.onTouchEvent(ev);

        verify(top).onTouchEvent(eq(ev));

        ev.recycle();

    }



    @Test

    public void testVerticalSelection_Bottom() {

        View top = mockViewAt(0, 0, 10, 10);

        View bottom = mockViewAt(0, 20, 10, 10);



        mNearestTouchFrame.addView(top);

        mNearestTouchFrame.addView(bottom);

        mNearestTouchFrame.onMeasure(0, 0);



        MotionEvent ev = MotionEvent.obtain(0, 0, 0,

                5 /* x */, 18 /* y */, 0);

        mNearestTouchFrame.onTouchEvent(ev);

        verify(bottom).onTouchEvent(eq(ev));

        ev.recycle();

    }



    private View mockViewAt(int x, int y, int width, int height) {

        View v = spy(new View(mContext));

        doAnswer(invocation -> {

            int[] pos = (int[]) invocation.getArguments()[0];

            pos[0] = x;

            pos[1] = y;

            return null;

        }).when(v).getLocationInWindow(any());

        when(v.isClickable()).thenReturn(true);



        // Stupid final methods.

        v.setLeft(0);

        v.setRight(width);

        v.setTop(0);

        v.setBottom(height);

        return v;

    }

}
 
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