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/*
* Copyright (C) 2013 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.os.Handler;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.util.SparseArray;
import android.view.Display;
import android.view.IWallpaperVisibilityListener;
import android.view.IWindowManager;
import android.view.MotionEvent;
import android.view.View;
import android.view.WindowManagerGlobal;
import com.android.internal.statusbar.IStatusBarService;
import com.android.systemui.Dependency;
import com.android.systemui.R;
public final class NavigationBarTransitions extends BarTransitions {
private final NavigationBarView mView;
private final IStatusBarService mBarService;
private final LightBarTransitionsController mLightTransitionsController;
private boolean mWallpaperVisible;
private boolean mLightsOut;
private boolean mAutoDim;
public NavigationBarTransitions(NavigationBarView view) {
super(view, R.drawable.nav_background);
mView = view;
mBarService = IStatusBarService.Stub.asInterface(
ServiceManager.getService(Context.STATUS_BAR_SERVICE));
mLightTransitionsController = new LightBarTransitionsController(view.getContext(),
this::applyDarkIntensity);
IWindowManager windowManagerService = Dependency.get(IWindowManager.class);
Handler handler = Handler.getMain();
try {
mWallpaperVisible = windowManagerService.registerWallpaperVisibilityListener(
new IWallpaperVisibilityListener.Stub() {
@Override
public void onWallpaperVisibilityChanged(boolean newVisibility,
int displayId) throws RemoteException {
mWallpaperVisible = newVisibility;
handler.post(() -> applyLightsOut(true, false));
}
}, Display.DEFAULT_DISPLAY);
} catch (RemoteException e) {
}
}
public void init() {
applyModeBackground(-1, getMode(), false /*animate*/);
applyLightsOut(false /*animate*/, true /*force*/);
}
@Override
public void setAutoDim(boolean autoDim) {
if (mAutoDim == autoDim) return;
mAutoDim = autoDim;
applyLightsOut(true, false);
}
@Override
protected boolean isLightsOut(int mode) {
return super.isLightsOut(mode) || (mAutoDim && !mWallpaperVisible);
}
public LightBarTransitionsController getLightTransitionsController() {
return mLightTransitionsController;
}
@Override
protected void onTransition(int oldMode, int newMode, boolean animate) {
super.onTransition(oldMode, newMode, animate);
applyLightsOut(animate, false /*force*/);
}
private void applyLightsOut(boolean animate, boolean force) {
// apply to lights out
applyLightsOut(isLightsOut(getMode()), animate, force);
}
private void applyLightsOut(boolean lightsOut, boolean animate, boolean force) {
if (!force && lightsOut == mLightsOut) return;
mLightsOut = lightsOut;
final View navButtons = mView.getCurrentView().findViewById(R.id.nav_buttons);
// ok, everyone, stop it right there
navButtons.animate().cancel();
final float navButtonsAlpha = lightsOut ? 0.6f : 1f;
if (!animate) {
navButtons.setAlpha(navButtonsAlpha);
} else {
final int duration = lightsOut ? LIGHTS_OUT_DURATION : LIGHTS_IN_DURATION;
navButtons.animate()
.alpha(navButtonsAlpha)
.setDuration(duration)
.start();
}
}
public void reapplyDarkIntensity() {
applyDarkIntensity(mLightTransitionsController.getCurrentDarkIntensity());
}
public void applyDarkIntensity(float darkIntensity) {
SparseArray<ButtonDispatcher> buttonDispatchers = mView.getButtonDispatchers();
for (int i = buttonDispatchers.size() - 1; i >= 0; i--) {
buttonDispatchers.valueAt(i).setDarkIntensity(darkIntensity);
}
}
private final View.OnTouchListener mLightsOutListener = new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent ev) {
if (ev.getAction() == MotionEvent.ACTION_DOWN) {
// even though setting the systemUI visibility below will turn these views
// on, we need them to come up faster so that they can catch this motion
// event
applyLightsOut(false, false, false);
try {
mBarService.setSystemUiVisibility(0, View.SYSTEM_UI_FLAG_LOW_PROFILE,
"LightsOutListener");
} catch (android.os.RemoteException ex) {
}
}
return false;
}
};
}
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