| /* |
| * Copyright (C) 2015 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.qs.external; |
| |
| import android.app.ActivityManager; |
| import android.content.ComponentName; |
| import android.content.Intent; |
| import android.os.Handler; |
| import android.os.UserHandle; |
| import android.service.quicksettings.IQSTileService; |
| import android.service.quicksettings.TileService; |
| import android.support.annotation.VisibleForTesting; |
| import android.util.Log; |
| |
| /** |
| * Manages the priority which lets {@link TileServices} make decisions about which tiles |
| * to bind. Also holds on to and manages the {@link TileLifecycleManager}, informing it |
| * of when it is allowed to bind based on decisions frome the {@link TileServices}. |
| */ |
| public class TileServiceManager { |
| |
| private static final long MIN_BIND_TIME = 5000; |
| private static final long UNBIND_DELAY = 30000; |
| |
| public static final boolean DEBUG = true; |
| |
| private static final String TAG = "TileServiceManager"; |
| |
| @VisibleForTesting |
| static final String PREFS_FILE = "CustomTileModes"; |
| |
| private final TileServices mServices; |
| private final TileLifecycleManager mStateManager; |
| private final Handler mHandler; |
| private boolean mBindRequested; |
| private boolean mBindAllowed; |
| private boolean mBound; |
| private int mPriority; |
| private boolean mJustBound; |
| private long mLastUpdate; |
| private int mType; |
| private boolean mShowingDialog; |
| // Whether we have a pending bind going out to the service without a response yet. |
| // This defaults to true to ensure tiles start out unavailable. |
| private boolean mPendingBind = true; |
| |
| TileServiceManager(TileServices tileServices, Handler handler, ComponentName component) { |
| this(tileServices, handler, new TileLifecycleManager(handler, |
| tileServices.getContext(), new Intent().setComponent(component), |
| new UserHandle(ActivityManager.getCurrentUser()))); |
| } |
| |
| @VisibleForTesting |
| TileServiceManager(TileServices tileServices, Handler handler, |
| TileLifecycleManager tileLifecycleManager) { |
| mServices = tileServices; |
| mHandler = handler; |
| mStateManager = tileLifecycleManager; |
| mType = tileServices.getContext().getSharedPreferences(PREFS_FILE, 0) |
| .getInt(tileLifecycleManager.getComponent().flattenToString(), |
| TileService.TILE_MODE_UNSET); |
| mStateManager.setQSService(tileServices); |
| if (mType == TileService.TILE_MODE_UNSET) { |
| bindService(); |
| mStateManager.onTileAdded(); |
| } |
| } |
| |
| public int getType() { |
| return mType; |
| } |
| |
| public void setType(int type) { |
| mServices.getContext().getSharedPreferences(PREFS_FILE, 0).edit() |
| .putInt(mStateManager.getComponent().flattenToString(), type).commit(); |
| mType = type; |
| mServices.recalculateBindAllowance(); |
| } |
| |
| public void setShowingDialog(boolean dialog) { |
| mShowingDialog = dialog; |
| } |
| |
| public IQSTileService getTileService() { |
| return mStateManager; |
| } |
| |
| public void setBindRequested(boolean bindRequested) { |
| if (mBindRequested == bindRequested) return; |
| mBindRequested = bindRequested; |
| if (mBindAllowed && mBindRequested && !mBound) { |
| mHandler.removeCallbacks(mUnbind); |
| bindService(); |
| } else { |
| mServices.recalculateBindAllowance(); |
| } |
| if (mBound && !mBindRequested) { |
| mHandler.postDelayed(mUnbind, UNBIND_DELAY); |
| } |
| } |
| |
| public void setLastUpdate(long lastUpdate) { |
| mLastUpdate = lastUpdate; |
| if (mBound && mType == TileService.TILE_MODE_ACTIVE) { |
| mStateManager.onStopListening(); |
| setBindRequested(false); |
| } |
| mServices.recalculateBindAllowance(); |
| } |
| |
| public void handleDestroy() { |
| mStateManager.handleDestroy(); |
| } |
| |
| public void setBindAllowed(boolean allowed) { |
| if (mBindAllowed == allowed) return; |
| mBindAllowed = allowed; |
| if (!mBindAllowed && mBound) { |
| unbindService(); |
| } else if (mBindAllowed && mBindRequested && !mBound) { |
| bindService(); |
| } |
| } |
| |
| public boolean hasPendingBind() { |
| return mPendingBind; |
| } |
| |
| public void clearPendingBind() { |
| mPendingBind = false; |
| } |
| |
| private void bindService() { |
| if (mBound) { |
| Log.e(TAG, "Service already bound"); |
| return; |
| } |
| mPendingBind = true; |
| mBound = true; |
| mJustBound = true; |
| mHandler.postDelayed(mJustBoundOver, MIN_BIND_TIME); |
| mStateManager.setBindService(true); |
| } |
| |
| private void unbindService() { |
| if (!mBound) { |
| Log.e(TAG, "Service not bound"); |
| return; |
| } |
| mBound = false; |
| mJustBound = false; |
| mStateManager.setBindService(false); |
| } |
| |
| public void calculateBindPriority(long currentTime) { |
| if (mStateManager.hasPendingClick()) { |
| // Pending click is the most important thing, need to put this service at the top of |
| // the list to be bound. |
| mPriority = Integer.MAX_VALUE; |
| } else if (mShowingDialog) { |
| // Hang on to services that are showing dialogs so they don't die. |
| mPriority = Integer.MAX_VALUE - 1; |
| } else if (mJustBound) { |
| // If we just bound, lets not thrash on binding/unbinding too much, this is second most |
| // important. |
| mPriority = Integer.MAX_VALUE - 2; |
| } else if (!mBindRequested) { |
| // Don't care about binding right now, put us last. |
| mPriority = Integer.MIN_VALUE; |
| } else { |
| // Order based on whether this was just updated. |
| long timeSinceUpdate = currentTime - mLastUpdate; |
| // Fit compare into integer space for simplicity. Make sure to leave MAX_VALUE and |
| // MAX_VALUE - 1 for the more important states above. |
| if (timeSinceUpdate > Integer.MAX_VALUE - 3) { |
| mPriority = Integer.MAX_VALUE - 3; |
| } else { |
| mPriority = (int) timeSinceUpdate; |
| } |
| } |
| } |
| |
| public int getBindPriority() { |
| return mPriority; |
| } |
| |
| private final Runnable mUnbind = new Runnable() { |
| @Override |
| public void run() { |
| if (mBound && !mBindRequested) { |
| unbindService(); |
| } |
| } |
| }; |
| |
| @VisibleForTesting |
| final Runnable mJustBoundOver = new Runnable() { |
| @Override |
| public void run() { |
| mJustBound = false; |
| mServices.recalculateBindAllowance(); |
| } |
| }; |
| } |