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/*
* 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.quickstep.inputconsumers;
import static com.android.systemui.shared.system.ActivityManagerWrapper.CLOSE_SYSTEM_WINDOWS_REASON_RECENTS;
import android.media.AudioManager;
import android.media.session.MediaSessionManager;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.View;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import com.android.launcher3.Utilities;
import com.android.launcher3.statemanager.BaseState;
import com.android.launcher3.statemanager.StatefulActivity;
import com.android.launcher3.testing.TestLogging;
import com.android.launcher3.testing.shared.TestProtocol;
import com.android.launcher3.views.BaseDragLayer;
import com.android.quickstep.BaseActivityInterface;
import com.android.quickstep.GestureState;
import com.android.quickstep.InputConsumer;
import com.android.quickstep.TaskUtils;
import com.android.systemui.shared.system.InputMonitorCompat;
/**
* Input consumer for handling touch on the recents/Launcher activity.
*/
public class OverviewInputConsumer<S extends BaseState<S>, T extends StatefulActivity<S>>
implements InputConsumer {
private final T mActivity;
private final BaseActivityInterface<?, T> mActivityInterface;
private final BaseDragLayer mTarget;
private final InputMonitorCompat mInputMonitor;
private final int[] mLocationOnScreen = new int[2];
private final boolean mStartingInActivityBounds;
private boolean mTargetHandledTouch;
private boolean mHasSetTouchModeForFirstDPadEvent;
private boolean mIsWaitingForAttachToWindow;
public OverviewInputConsumer(GestureState gestureState, T activity,
@Nullable InputMonitorCompat inputMonitor, boolean startingInActivityBounds) {
mActivity = activity;
mInputMonitor = inputMonitor;
mStartingInActivityBounds = startingInActivityBounds;
mActivityInterface = gestureState.getActivityInterface();
mTarget = activity.getDragLayer();
mTarget.getLocationOnScreen(mLocationOnScreen);
}
@Override
public int getType() {
return TYPE_OVERVIEW;
}
@Override
public boolean allowInterceptByParent() {
return !mTargetHandledTouch;
}
@Override
public void onMotionEvent(MotionEvent ev) {
int flags = ev.getEdgeFlags();
if (!mStartingInActivityBounds) {
ev.setEdgeFlags(flags | Utilities.EDGE_NAV_BAR);
}
ev.offsetLocation(-mLocationOnScreen[0], -mLocationOnScreen[1]);
boolean handled = mTarget.proxyTouchEvent(ev, mStartingInActivityBounds);
ev.offsetLocation(mLocationOnScreen[0], mLocationOnScreen[1]);
ev.setEdgeFlags(flags);
if (!mTargetHandledTouch && handled) {
mTargetHandledTouch = true;
if (!mStartingInActivityBounds) {
mActivityInterface.closeOverlay();
TaskUtils.closeSystemWindowsAsync(CLOSE_SYSTEM_WINDOWS_REASON_RECENTS);
}
if (mInputMonitor != null) {
TestLogging.recordEvent(TestProtocol.SEQUENCE_PILFER, "pilferPointers");
mInputMonitor.pilferPointers();
}
}
if (mHasSetTouchModeForFirstDPadEvent) {
mActivity.getRootView().clearFocus();
}
}
@Override
public void onHoverEvent(MotionEvent ev) {
mActivity.dispatchGenericMotionEvent(ev);
}
@Override
public void onKeyEvent(KeyEvent ev) {
switch (ev.getKeyCode()) {
case KeyEvent.KEYCODE_VOLUME_DOWN:
case KeyEvent.KEYCODE_VOLUME_UP:
case KeyEvent.KEYCODE_VOLUME_MUTE:
MediaSessionManager mgr = mActivity.getSystemService(MediaSessionManager.class);
mgr.dispatchVolumeKeyEventAsSystemService(ev,
AudioManager.USE_DEFAULT_STREAM_TYPE);
break;
case KeyEvent.KEYCODE_DPAD_LEFT:
case KeyEvent.KEYCODE_DPAD_RIGHT:
if (mHasSetTouchModeForFirstDPadEvent) {
break;
}
View viewRoot = mActivity.getRootView();
if (viewRoot.isAttachedToWindow()) {
setTouchModeChanged(viewRoot);
break;
}
if (mIsWaitingForAttachToWindow) {
break;
}
mIsWaitingForAttachToWindow = true;
viewRoot.addOnAttachStateChangeListener(new View.OnAttachStateChangeListener() {
@Override
public void onViewAttachedToWindow(View view) {
view.removeOnAttachStateChangeListener(this);
mIsWaitingForAttachToWindow = false;
setTouchModeChanged(viewRoot);
}
@Override
public void onViewDetachedFromWindow(View view) {
// Do nothing
}
});
break;
default:
break;
}
mActivity.dispatchKeyEvent(ev);
}
private void setTouchModeChanged(@NonNull View viewRoot) {
// When Overview is launched via meta+tab or swipe up from an app, the touch
// mode somehow is not changed to false by the Android framework. The
// subsequent key events (e.g. DPAD_LEFT, DPAD_RIGHT) can only be dispatched
// to focused views, while focus can only be requested in
// {@link View#requestFocusNoSearch(int, Rect)} when touch mode is false. To
// note, here we launch overview with live tile.
mHasSetTouchModeForFirstDPadEvent = true;
viewRoot.getViewRootImpl().touchModeChanged(false);
}
}
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