| /* |
| * 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.animation.Animator; |
| import android.animation.AnimatorListenerAdapter; |
| import android.content.Context; |
| import android.os.ServiceManager; |
| import android.view.MotionEvent; |
| import android.view.View; |
| import android.view.animation.AccelerateInterpolator; |
| |
| import com.android.internal.statusbar.IStatusBarService; |
| import com.android.systemui.R; |
| import com.android.systemui.statusbar.policy.KeyButtonView; |
| |
| public final class NavigationBarTransitions extends BarTransitions { |
| |
| private static final int CONTENT_FADE_DURATION = 200; |
| |
| private final NavigationBarView mView; |
| private final IStatusBarService mBarService; |
| |
| private boolean mLightsOut; |
| private boolean mVertical; |
| private int mRequestedMode; |
| |
| public NavigationBarTransitions(NavigationBarView view) { |
| super(view, R.drawable.nav_background); |
| mView = view; |
| mBarService = IStatusBarService.Stub.asInterface( |
| ServiceManager.getService(Context.STATUS_BAR_SERVICE)); |
| } |
| |
| public void init(boolean isVertical) { |
| setVertical(isVertical); |
| applyModeBackground(-1, getMode(), false /*animate*/); |
| applyMode(getMode(), false /*animate*/, true /*force*/); |
| } |
| |
| public void setVertical(boolean isVertical) { |
| mVertical = isVertical; |
| transitionTo(mRequestedMode, false /*animate*/); |
| } |
| |
| @Override |
| public void transitionTo(int mode, boolean animate) { |
| mRequestedMode = mode; |
| if (mVertical && (mode == MODE_TRANSLUCENT || mode == MODE_TRANSPARENT)) { |
| // translucent mode not allowed when vertical |
| mode = MODE_OPAQUE; |
| } |
| super.transitionTo(mode, animate); |
| } |
| |
| @Override |
| protected void onTransition(int oldMode, int newMode, boolean animate) { |
| super.onTransition(oldMode, newMode, animate); |
| applyMode(newMode, animate, false /*force*/); |
| } |
| |
| private void applyMode(int mode, boolean animate, boolean force) { |
| // apply to key buttons |
| final float alpha = alphaForMode(mode); |
| setKeyButtonViewQuiescentAlpha(mView.getHomeButton(), alpha, animate); |
| setKeyButtonViewQuiescentAlpha(mView.getRecentsButton(), alpha, animate); |
| setKeyButtonViewQuiescentAlpha(mView.getMenuButton(), alpha, animate); |
| setKeyButtonViewQuiescentAlpha(mView.getImeSwitchButton(), alpha, animate); |
| |
| applyBackButtonQuiescentAlpha(mode, animate); |
| |
| // apply to lights out |
| applyLightsOut(mode == MODE_LIGHTS_OUT, animate, force); |
| } |
| |
| private float alphaForMode(int mode) { |
| final boolean isOpaque = mode == MODE_OPAQUE || mode == MODE_LIGHTS_OUT; |
| return isOpaque ? KeyButtonView.DEFAULT_QUIESCENT_ALPHA : 1f; |
| } |
| |
| public void applyBackButtonQuiescentAlpha(int mode, boolean animate) { |
| float backAlpha = 0; |
| backAlpha = maxVisibleQuiescentAlpha(backAlpha, mView.getHomeButton()); |
| backAlpha = maxVisibleQuiescentAlpha(backAlpha, mView.getRecentsButton()); |
| backAlpha = maxVisibleQuiescentAlpha(backAlpha, mView.getMenuButton()); |
| backAlpha = maxVisibleQuiescentAlpha(backAlpha, mView.getImeSwitchButton()); |
| if (backAlpha > 0) { |
| setKeyButtonViewQuiescentAlpha(mView.getBackButton(), backAlpha, animate); |
| } |
| } |
| |
| private static float maxVisibleQuiescentAlpha(float max, View v) { |
| if ((v instanceof KeyButtonView) && v.isShown()) { |
| return Math.max(max, ((KeyButtonView)v).getQuiescentAlpha()); |
| } |
| return max; |
| } |
| |
| private void setKeyButtonViewQuiescentAlpha(View button, float alpha, boolean animate) { |
| if (button instanceof KeyButtonView) { |
| ((KeyButtonView) button).setQuiescentAlpha(alpha, animate); |
| } |
| } |
| |
| 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); |
| final View lowLights = mView.getCurrentView().findViewById(R.id.lights_out); |
| |
| // ok, everyone, stop it right there |
| navButtons.animate().cancel(); |
| lowLights.animate().cancel(); |
| |
| final float navButtonsAlpha = lightsOut ? 0f : 1f; |
| final float lowLightsAlpha = lightsOut ? 1f : 0f; |
| |
| if (!animate) { |
| navButtons.setAlpha(navButtonsAlpha); |
| lowLights.setAlpha(lowLightsAlpha); |
| lowLights.setVisibility(lightsOut ? View.VISIBLE : View.GONE); |
| } else { |
| final int duration = lightsOut ? LIGHTS_OUT_DURATION : LIGHTS_IN_DURATION; |
| navButtons.animate() |
| .alpha(navButtonsAlpha) |
| .setDuration(duration) |
| .start(); |
| |
| lowLights.setOnTouchListener(mLightsOutListener); |
| if (lowLights.getVisibility() == View.GONE) { |
| lowLights.setAlpha(0f); |
| lowLights.setVisibility(View.VISIBLE); |
| } |
| lowLights.animate() |
| .alpha(lowLightsAlpha) |
| .setDuration(duration) |
| .setInterpolator(new AccelerateInterpolator(2.0f)) |
| .setListener(lightsOut ? null : new AnimatorListenerAdapter() { |
| @Override |
| public void onAnimationEnd(Animator _a) { |
| lowLights.setVisibility(View.GONE); |
| } |
| }) |
| .start(); |
| } |
| } |
| |
| 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); |
| } catch (android.os.RemoteException ex) { |
| } |
| } |
| return false; |
| } |
| }; |
| } |