| /* |
| * 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.internal.policy.impl; |
| |
| import android.animation.ArgbEvaluator; |
| import android.animation.ValueAnimator; |
| import android.app.ActivityManager; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.graphics.PixelFormat; |
| import android.graphics.drawable.ColorDrawable; |
| import android.os.Handler; |
| import android.os.Message; |
| import android.os.UserHandle; |
| import android.provider.Settings; |
| import android.text.TextUtils; |
| import android.util.ArraySet; |
| import android.util.DisplayMetrics; |
| import android.util.Slog; |
| import android.view.Gravity; |
| import android.view.MotionEvent; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.WindowManager; |
| import android.view.animation.Animation; |
| import android.view.animation.AnimationUtils; |
| import android.view.animation.DecelerateInterpolator; |
| import android.widget.Button; |
| import android.widget.FrameLayout; |
| |
| import com.android.internal.R; |
| |
| import java.util.Arrays; |
| |
| /** |
| * Helper to manage showing/hiding a confirmation prompt when the navigation bar is hidden |
| * entering immersive mode. |
| */ |
| public class ImmersiveModeConfirmation { |
| private static final String TAG = "ImmersiveModeConfirmation"; |
| private static final boolean DEBUG = false; |
| private static final boolean DEBUG_SHOW_EVERY_TIME = false; // super annoying, use with caution |
| |
| private final Context mContext; |
| private final H mHandler; |
| private final ArraySet<String> mConfirmedPackages = new ArraySet<String>(); |
| private final long mShowDelayMs; |
| private final long mPanicThresholdMs; |
| |
| private ClingWindowView mClingWindow; |
| private String mLastPackage; |
| private String mPromptPackage; |
| private long mPanicTime; |
| private String mPanicPackage; |
| private WindowManager mWindowManager; |
| |
| public ImmersiveModeConfirmation(Context context) { |
| mContext = context; |
| mHandler = new H(); |
| mShowDelayMs = getNavBarExitDuration() * 3; |
| mPanicThresholdMs = context.getResources() |
| .getInteger(R.integer.config_immersive_mode_confirmation_panic); |
| mWindowManager = (WindowManager) |
| mContext.getSystemService(Context.WINDOW_SERVICE); |
| } |
| |
| private long getNavBarExitDuration() { |
| Animation exit = AnimationUtils.loadAnimation(mContext, R.anim.dock_bottom_exit); |
| return exit != null ? exit.getDuration() : 0; |
| } |
| |
| public void loadSetting() { |
| if (DEBUG) Slog.d(TAG, "loadSetting()"); |
| mConfirmedPackages.clear(); |
| String packages = null; |
| try { |
| packages = Settings.Secure.getStringForUser(mContext.getContentResolver(), |
| Settings.Secure.IMMERSIVE_MODE_CONFIRMATIONS, |
| UserHandle.USER_CURRENT); |
| if (packages != null) { |
| mConfirmedPackages.addAll(Arrays.asList(packages.split(","))); |
| if (DEBUG) Slog.d(TAG, "Loaded mConfirmedPackages=" + mConfirmedPackages); |
| } |
| } catch (Throwable t) { |
| Slog.w(TAG, "Error loading confirmations, packages=" + packages, t); |
| } |
| } |
| |
| private void saveSetting() { |
| if (DEBUG) Slog.d(TAG, "saveSetting()"); |
| try { |
| final String packages = TextUtils.join(",", mConfirmedPackages); |
| Settings.Secure.putStringForUser(mContext.getContentResolver(), |
| Settings.Secure.IMMERSIVE_MODE_CONFIRMATIONS, |
| packages, |
| UserHandle.USER_CURRENT); |
| if (DEBUG) Slog.d(TAG, "Saved packages=" + packages); |
| } catch (Throwable t) { |
| Slog.w(TAG, "Error saving confirmations, mConfirmedPackages=" + mConfirmedPackages, t); |
| } |
| } |
| |
| public void immersiveModeChanged(String pkg, boolean isImmersiveMode) { |
| if (pkg == null) { |
| return; |
| } |
| mHandler.removeMessages(H.SHOW); |
| if (isImmersiveMode) { |
| mLastPackage = pkg; |
| if (DEBUG_SHOW_EVERY_TIME || !mConfirmedPackages.contains(pkg)) { |
| mHandler.sendMessageDelayed(mHandler.obtainMessage(H.SHOW, pkg), mShowDelayMs); |
| } |
| } else { |
| mLastPackage = null; |
| mHandler.sendEmptyMessage(H.HIDE); |
| } |
| } |
| |
| public void onPowerKeyDown(boolean isScreenOn, long time, boolean inImmersiveMode) { |
| if (mPanicPackage != null && !isScreenOn && (time - mPanicTime < mPanicThresholdMs)) { |
| // turning the screen back on within the panic threshold |
| unconfirmPackage(mPanicPackage); |
| } |
| if (isScreenOn && inImmersiveMode) { |
| // turning the screen off, remember if we were in immersive mode |
| mPanicTime = time; |
| mPanicPackage = mLastPackage; |
| } else { |
| mPanicTime = 0; |
| mPanicPackage = null; |
| } |
| } |
| |
| public void confirmCurrentPrompt() { |
| mHandler.post(confirmAction(mPromptPackage)); |
| } |
| |
| private void unconfirmPackage(String pkg) { |
| if (pkg != null) { |
| if (DEBUG) Slog.d(TAG, "Unconfirming immersive mode confirmation for " + pkg); |
| mConfirmedPackages.remove(pkg); |
| saveSetting(); |
| } |
| } |
| |
| private void handleHide() { |
| if (mClingWindow != null) { |
| if (DEBUG) Slog.d(TAG, "Hiding immersive mode confirmation for " + mPromptPackage); |
| mWindowManager.removeView(mClingWindow); |
| mClingWindow = null; |
| } |
| } |
| |
| public WindowManager.LayoutParams getClingWindowLayoutParams() { |
| final WindowManager.LayoutParams lp = new WindowManager.LayoutParams( |
| ViewGroup.LayoutParams.MATCH_PARENT, |
| ViewGroup.LayoutParams.MATCH_PARENT, |
| WindowManager.LayoutParams.TYPE_TOAST, |
| 0 |
| | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN |
| | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE |
| | WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED |
| , |
| PixelFormat.TRANSLUCENT); |
| lp.setTitle("ImmersiveModeConfirmation"); |
| lp.windowAnimations = com.android.internal.R.style.Animation_RecentApplications; |
| lp.gravity = Gravity.FILL; |
| return lp; |
| } |
| |
| public FrameLayout.LayoutParams getBubbleLayoutParams() { |
| return new FrameLayout.LayoutParams( |
| mContext.getResources().getDimensionPixelSize( |
| R.dimen.immersive_mode_cling_width), |
| ViewGroup.LayoutParams.WRAP_CONTENT, |
| Gravity.CENTER_HORIZONTAL | Gravity.TOP); |
| } |
| |
| private class ClingWindowView extends FrameLayout { |
| private static final int BGCOLOR = 0x80000000; |
| private static final int OFFSET_DP = 48; |
| |
| private final Runnable mConfirm; |
| private final ColorDrawable mColor = new ColorDrawable(0); |
| private ValueAnimator mColorAnim; |
| private ViewGroup mClingLayout; |
| |
| private BroadcastReceiver mReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| if (intent.getAction().equals(Intent.ACTION_CONFIGURATION_CHANGED)) { |
| if (mClingLayout != null && mClingLayout.getParent() != null) { |
| mClingLayout.setLayoutParams(getBubbleLayoutParams()); |
| } |
| } |
| } |
| }; |
| |
| public ClingWindowView(Context context, Runnable confirm) { |
| super(context); |
| mConfirm = confirm; |
| setClickable(true); |
| setBackground(mColor); |
| } |
| |
| @Override |
| public void onAttachedToWindow() { |
| super.onAttachedToWindow(); |
| |
| DisplayMetrics metrics = new DisplayMetrics(); |
| mWindowManager.getDefaultDisplay().getMetrics(metrics); |
| float density = metrics.density; |
| |
| // create the confirmation cling |
| mClingLayout = (ViewGroup) |
| View.inflate(getContext(), R.layout.immersive_mode_cling, null); |
| |
| final Button ok = (Button) mClingLayout.findViewById(R.id.ok); |
| ok.setOnClickListener(new OnClickListener() { |
| @Override |
| public void onClick(View v) { |
| mConfirm.run(); |
| } |
| }); |
| addView(mClingLayout, getBubbleLayoutParams()); |
| |
| if (ActivityManager.isHighEndGfx()) { |
| final View bubble = mClingLayout.findViewById(R.id.text); |
| bubble.setAlpha(0f); |
| bubble.setTranslationY(-OFFSET_DP*density); |
| bubble.animate() |
| .alpha(1f) |
| .translationY(0) |
| .setDuration(300) |
| .setInterpolator(new DecelerateInterpolator()) |
| .start(); |
| |
| ok.setAlpha(0f); |
| ok.setTranslationY(-OFFSET_DP*density); |
| ok.animate().alpha(1f) |
| .translationY(0) |
| .setDuration(300) |
| .setStartDelay(200) |
| .setInterpolator(new DecelerateInterpolator()) |
| .start(); |
| |
| mColorAnim = ValueAnimator.ofObject(new ArgbEvaluator(), 0, BGCOLOR); |
| mColorAnim.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { |
| @Override |
| public void onAnimationUpdate(ValueAnimator animation) { |
| final int c = (Integer) animation.getAnimatedValue(); |
| mColor.setColor(c); |
| } |
| }); |
| mColorAnim.setDuration(1000); |
| mColorAnim.start(); |
| } else { |
| mColor.setColor(BGCOLOR); |
| } |
| |
| mContext.registerReceiver(mReceiver, new IntentFilter(Intent.ACTION_CONFIGURATION_CHANGED)); |
| } |
| |
| @Override |
| public void onDetachedFromWindow() { |
| mContext.unregisterReceiver(mReceiver); |
| } |
| |
| @Override |
| public boolean onTouchEvent(MotionEvent motion) { |
| Slog.v(TAG, "ClingWindowView.onTouchEvent"); |
| return true; |
| } |
| } |
| |
| private void handleShow(String pkg) { |
| mPromptPackage = pkg; |
| if (DEBUG) Slog.d(TAG, "Showing immersive mode confirmation for " + pkg); |
| |
| mClingWindow = new ClingWindowView(mContext, confirmAction(pkg)); |
| |
| // we will be hiding the nav bar, so layout as if it's already hidden |
| mClingWindow.setSystemUiVisibility( |
| View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION |
| | View.SYSTEM_UI_FLAG_LAYOUT_STABLE); |
| |
| // show the confirmation |
| WindowManager.LayoutParams lp = getClingWindowLayoutParams(); |
| mWindowManager.addView(mClingWindow, lp); |
| } |
| |
| private Runnable confirmAction(final String pkg) { |
| return new Runnable() { |
| @Override |
| public void run() { |
| if (pkg != null && !mConfirmedPackages.contains(pkg)) { |
| if (DEBUG) Slog.d(TAG, "Confirming immersive mode for " + pkg); |
| mConfirmedPackages.add(pkg); |
| saveSetting(); |
| } |
| handleHide(); |
| } |
| }; |
| } |
| |
| private final class H extends Handler { |
| private static final int SHOW = 0; |
| private static final int HIDE = 1; |
| |
| @Override |
| public void handleMessage(Message msg) { |
| switch(msg.what) { |
| case SHOW: |
| handleShow((String)msg.obj); |
| break; |
| case HIDE: |
| handleHide(); |
| break; |
| } |
| } |
| } |
| } |
