/*
 * Copyright (C) 2016 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 android.app;

import android.app.ActivityManager;
import android.app.ApplicationErrorReport;
import android.app.ContentProviderHolder;
import android.app.GrantedUriPermission;
import android.app.IApplicationThread;
import android.app.IActivityController;
import android.app.IAppTask;
import android.app.IAssistDataReceiver;
import android.app.IInstrumentationWatcher;
import android.app.IProcessObserver;
import android.app.IServiceConnection;
import android.app.IStopUserCallback;
import android.app.ITaskStackListener;
import android.app.IUiAutomationConnection;
import android.app.IUidObserver;
import android.app.IUserSwitchObserver;
import android.app.Notification;
import android.app.PendingIntent;
import android.app.PictureInPictureParams;
import android.app.ProfilerInfo;
import android.app.WaitResult;
import android.app.assist.AssistContent;
import android.app.assist.AssistStructure;
import android.content.ComponentName;
import android.content.IIntentReceiver;
import android.content.IIntentSender;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.IntentSender;
import android.content.pm.ApplicationInfo;
import android.content.pm.ConfigurationInfo;
import android.content.pm.IPackageDataObserver;
import android.content.pm.ParceledListSlice;
import android.content.pm.ProviderInfo;
import android.content.pm.UserInfo;
import android.content.res.Configuration;
import android.graphics.Bitmap;
import android.graphics.GraphicBuffer;
import android.graphics.Point;
import android.graphics.Rect;
import android.net.Uri;
import android.os.Bundle;
import android.os.Debug;
import android.os.IBinder;
import android.os.IProgressListener;
import android.os.ParcelFileDescriptor;
import android.os.PersistableBundle;
import android.os.RemoteCallback;
import android.os.StrictMode;
import android.os.WorkSource;
import android.service.voice.IVoiceInteractionSession;
import android.view.IRecentsAnimationRunner;
import android.view.RemoteAnimationDefinition;
import android.view.RemoteAnimationAdapter;
import com.android.internal.app.IVoiceInteractor;
import com.android.internal.os.IResultReceiver;
import com.android.internal.policy.IKeyguardDismissCallback;

import java.util.List;

/**
 * System private API for talking with the activity manager service.  This
 * provides calls from the application back to the activity manager.
 *
 * {@hide}
 */
interface IActivityManager {
    // WARNING: when these transactions are updated, check if they are any callers on the native
    // side. If so, make sure they are using the correct transaction ids and arguments.
    // If a transaction which will also be used on the native side is being inserted, add it to
    // below block of transactions.

    // Since these transactions are also called from native code, these must be kept in sync with
    // the ones in frameworks/native/libs/binder/include/binder/IActivityManager.h
    // =============== Beginning of transactions used on native side as well ======================
    ParcelFileDescriptor openContentUri(in String uriString);
    void registerUidObserver(in IUidObserver observer, int which, int cutpoint,
            String callingPackage);
    void unregisterUidObserver(in IUidObserver observer);
    boolean isUidActive(int uid, String callingPackage);
    // =============== End of transactions used on native side as well ============================

    // Special low-level communication with activity manager.
    void handleApplicationCrash(in IBinder app,
            in ApplicationErrorReport.ParcelableCrashInfo crashInfo);
    int startActivity(in IApplicationThread caller, in String callingPackage, in Intent intent,
            in String resolvedType, in IBinder resultTo, in String resultWho, int requestCode,
            int flags, in ProfilerInfo profilerInfo, in Bundle options);
    void unhandledBack();
    boolean finishActivity(in IBinder token, int code, in Intent data, int finishTask);
    Intent registerReceiver(in IApplicationThread caller, in String callerPackage,
            in IIntentReceiver receiver, in IntentFilter filter,
            in String requiredPermission, int userId, int flags);
    void unregisterReceiver(in IIntentReceiver receiver);
    int broadcastIntent(in IApplicationThread caller, in Intent intent,
            in String resolvedType, in IIntentReceiver resultTo, int resultCode,
            in String resultData, in Bundle map, in String[] requiredPermissions,
            int appOp, in Bundle options, boolean serialized, boolean sticky, int userId);
    void unbroadcastIntent(in IApplicationThread caller, in Intent intent, int userId);
    oneway void finishReceiver(in IBinder who, int resultCode, in String resultData, in Bundle map,
            boolean abortBroadcast, int flags);
    void attachApplication(in IApplicationThread app, long startSeq);
    List<ActivityManager.RunningTaskInfo> getTasks(int maxNum);
    List<ActivityManager.RunningTaskInfo> getFilteredTasks(int maxNum, int ignoreActivityType,
            int ignoreWindowingMode);
    void moveTaskToFront(int task, int flags, in Bundle options);
    int getTaskForActivity(in IBinder token, in boolean onlyRoot);
    ContentProviderHolder getContentProvider(in IApplicationThread caller,
            in String name, int userId, boolean stable);
    void publishContentProviders(in IApplicationThread caller,
            in List<ContentProviderHolder> providers);
    boolean refContentProvider(in IBinder connection, int stableDelta, int unstableDelta);
    PendingIntent getRunningServiceControlPanel(in ComponentName service);
    ComponentName startService(in IApplicationThread caller, in Intent service,
            in String resolvedType, boolean requireForeground, in String callingPackage, int userId);
    int stopService(in IApplicationThread caller, in Intent service,
            in String resolvedType, int userId);
    // Currently keeping old bindService because it is on the greylist
    int bindService(in IApplicationThread caller, in IBinder token, in Intent service,
            in String resolvedType, in IServiceConnection connection, int flags,
            in String callingPackage, int userId);
    int bindIsolatedService(in IApplicationThread caller, in IBinder token, in Intent service,
            in String resolvedType, in IServiceConnection connection, int flags,
            in String instanceName, in String callingPackage, int userId);
    void updateServiceGroup(in IServiceConnection connection, int group, int importance);
    boolean unbindService(in IServiceConnection connection);
    void publishService(in IBinder token, in Intent intent, in IBinder service);
    void setDebugApp(in String packageName, boolean waitForDebugger, boolean persistent);
    void setAgentApp(in String packageName, @nullable String agent);
    void setAlwaysFinish(boolean enabled);
    boolean startInstrumentation(in ComponentName className, in String profileFile,
            int flags, in Bundle arguments, in IInstrumentationWatcher watcher,
            in IUiAutomationConnection connection, int userId,
            in String abiOverride);
    void addInstrumentationResults(in IApplicationThread target, in Bundle results);
    void finishInstrumentation(in IApplicationThread target, int resultCode,
            in Bundle results);
    /**
     * @return A copy of global {@link Configuration}, contains general settings for the entire
     *         system. Corresponds to the configuration of the default display.
     * @throws RemoteException
     */
    Configuration getConfiguration();
    /**
     * Updates global configuration and applies changes to the entire system.
     * @param values Update values for global configuration. If null is passed it will request the
     *               Window Manager to compute new config for the default display.
     * @throws RemoteException
     * @return Returns true if the configuration was updated.
     */
    boolean updateConfiguration(in Configuration values);
    boolean stopServiceToken(in ComponentName className, in IBinder token, int startId);
    void setProcessLimit(int max);
    int getProcessLimit();
    int checkPermission(in String permission, int pid, int uid);
    int checkUriPermission(in Uri uri, int pid, int uid, int mode, int userId,
            in IBinder callerToken);
    void grantUriPermission(in IApplicationThread caller, in String targetPkg, in Uri uri,
            int mode, int userId);
    void revokeUriPermission(in IApplicationThread caller, in String targetPkg, in Uri uri,
            int mode, int userId);
    void setActivityController(in IActivityController watcher, boolean imAMonkey);
    void showWaitingForDebugger(in IApplicationThread who, boolean waiting);
    /*
     * This will deliver the specified signal to all the persistent processes. Currently only
     * SIGUSR1 is delivered. All others are ignored.
     */
    void signalPersistentProcesses(int signal);

    ParceledListSlice getRecentTasks(int maxNum, int flags, int userId);
    oneway void serviceDoneExecuting(in IBinder token, int type, int startId, int res);
    IIntentSender getIntentSender(int type, in String packageName, in IBinder token,
            in String resultWho, int requestCode, in Intent[] intents, in String[] resolvedTypes,
            int flags, in Bundle options, int userId);
    void cancelIntentSender(in IIntentSender sender);
    String getPackageForIntentSender(in IIntentSender sender);
    void registerIntentSenderCancelListener(in IIntentSender sender, in IResultReceiver receiver);
    void unregisterIntentSenderCancelListener(in IIntentSender sender, in IResultReceiver receiver);
    void enterSafeMode();
    void noteWakeupAlarm(in IIntentSender sender, in WorkSource workSource, int sourceUid,
            in String sourcePkg, in String tag);
    void removeContentProvider(in IBinder connection, boolean stable);
    void setRequestedOrientation(in IBinder token, int requestedOrientation);
    void unbindFinished(in IBinder token, in Intent service, boolean doRebind);
    void setProcessImportant(in IBinder token, int pid, boolean isForeground, String reason);
    void setServiceForeground(in ComponentName className, in IBinder token,
            int id, in Notification notification, int flags);
    boolean moveActivityTaskToBack(in IBinder token, boolean nonRoot);
    void getMemoryInfo(out ActivityManager.MemoryInfo outInfo);
    List<ActivityManager.ProcessErrorStateInfo> getProcessesInErrorState();
    boolean clearApplicationUserData(in String packageName, boolean keepState,
            in IPackageDataObserver observer, int userId);
    void forceStopPackage(in String packageName, int userId);
    boolean killPids(in int[] pids, in String reason, boolean secure);
    List<ActivityManager.RunningServiceInfo> getServices(int maxNum, int flags);
    // Retrieve running application processes in the system
    List<ActivityManager.RunningAppProcessInfo> getRunningAppProcesses();
    IBinder peekService(in Intent service, in String resolvedType, in String callingPackage);
    // Turn on/off profiling in a particular process.
    boolean profileControl(in String process, int userId, boolean start,
            in ProfilerInfo profilerInfo, int profileType);
    boolean shutdown(int timeout);
    void stopAppSwitches();
    void resumeAppSwitches();
    boolean bindBackupAgent(in String packageName, int backupRestoreMode, int userId);
    void backupAgentCreated(in String packageName, in IBinder agent);
    void unbindBackupAgent(in ApplicationInfo appInfo);
    int getUidForIntentSender(in IIntentSender sender);
    int handleIncomingUser(int callingPid, int callingUid, int userId, boolean allowAll,
            boolean requireFull, in String name, in String callerPackage);
    void addPackageDependency(in String packageName);
    void killApplication(in String pkg, int appId, int userId, in String reason);
    void closeSystemDialogs(in String reason);
    Debug.MemoryInfo[] getProcessMemoryInfo(in int[] pids);
    void killApplicationProcess(in String processName, int uid);
    // Special low-level communication with activity manager.
    boolean handleApplicationWtf(in IBinder app, in String tag, boolean system,
            in ApplicationErrorReport.ParcelableCrashInfo crashInfo);
    void killBackgroundProcesses(in String packageName, int userId);
    boolean isUserAMonkey();
    // Retrieve info of applications installed on external media that are currently
    // running.
    List<ApplicationInfo> getRunningExternalApplications();
    void finishHeavyWeightApp();
    // A StrictMode violation to be handled.
    void handleApplicationStrictModeViolation(in IBinder app, int penaltyMask,
            in StrictMode.ViolationInfo crashInfo);
    boolean isTopActivityImmersive();
    void crashApplication(int uid, int initialPid, in String packageName, int userId, in String message);
    String getProviderMimeType(in Uri uri, int userId);
    // Cause the specified process to dump the specified heap.
    boolean dumpHeap(in String process, int userId, boolean managed, boolean mallocInfo,
            boolean runGc, in String path, in ParcelFileDescriptor fd,
            in RemoteCallback finishCallback);
    boolean isUserRunning(int userid, int flags);
    void setPackageScreenCompatMode(in String packageName, int mode);
    boolean switchUser(int userid);
    boolean removeTask(int taskId);
    void registerProcessObserver(in IProcessObserver observer);
    void unregisterProcessObserver(in IProcessObserver observer);
    boolean isIntentSenderTargetedToPackage(in IIntentSender sender);
    void updatePersistentConfiguration(in Configuration values);
    long[] getProcessPss(in int[] pids);
    void showBootMessage(in CharSequence msg, boolean always);
    void killAllBackgroundProcesses();
    ContentProviderHolder getContentProviderExternal(in String name, int userId,
            in IBinder token, String tag);
    /** @deprecated - Use {@link #removeContentProviderExternalAsUser} which takes a user ID. */
    void removeContentProviderExternal(in String name, in IBinder token);
    void removeContentProviderExternalAsUser(in String name, in IBinder token, int userId);
    // Get memory information about the calling process.
    void getMyMemoryState(out ActivityManager.RunningAppProcessInfo outInfo);
    boolean killProcessesBelowForeground(in String reason);
    UserInfo getCurrentUser();
    // This is not public because you need to be very careful in how you
    // manage your activity to make sure it is always the uid you expect.
    int getLaunchedFromUid(in IBinder activityToken);
    void unstableProviderDied(in IBinder connection);
    boolean isIntentSenderAnActivity(in IIntentSender sender);
    boolean isIntentSenderAForegroundService(in IIntentSender sender);
    int startActivityAsUser(in IApplicationThread caller, in String callingPackage,
            in Intent intent, in String resolvedType, in IBinder resultTo, in String resultWho,
            int requestCode, int flags, in ProfilerInfo profilerInfo,
            in Bundle options, int userId);
    int stopUser(int userid, boolean force, in IStopUserCallback callback);
    void registerUserSwitchObserver(in IUserSwitchObserver observer, in String name);
    void unregisterUserSwitchObserver(in IUserSwitchObserver observer);
    int[] getRunningUserIds();

    // Deprecated - This method is only used by a few internal components and it will soon be
    // replaced by a proper bug report API (which will be restricted to a few, pre-defined apps).
    // No new code should be calling it.
    void requestBugReport(int bugreportType);

    /**
     *  Takes a telephony bug report and notifies the user with the title and description
     *  that are passed to this API as parameters
     *
     *  @param shareTitle should be a valid legible string less than 50 chars long
     *  @param shareDescription should be less than 91 bytes when encoded into UTF-8 format
     *
     *  @throws IllegalArgumentException if shareTitle or shareDescription is too big or if the
     *          paremeters cannot be encoding to an UTF-8 charset.
     */
    void requestTelephonyBugReport(in String shareTitle, in String shareDescription);

    /**
     *  Deprecated - This method is only used by Wifi, and it will soon be replaced by a proper
     *  bug report API.
     *
     *  Takes a minimal bugreport of Wifi-related state.
     *
     *  @param shareTitle should be a valid legible string less than 50 chars long
     *  @param shareDescription should be less than 91 bytes when encoded into UTF-8 format
     *
     *  @throws IllegalArgumentException if shareTitle or shareDescription is too big or if the
     *          parameters cannot be encoding to an UTF-8 charset.
     */
    void requestWifiBugReport(in String shareTitle, in String shareDescription);

    void clearPendingBackup();
    Intent getIntentForIntentSender(in IIntentSender sender);
    // This is not public because you need to be very careful in how you
    // manage your activity to make sure it is always the uid you expect.
    String getLaunchedFromPackage(in IBinder activityToken);
    void killUid(int appId, int userId, in String reason);
    void setUserIsMonkey(boolean monkey);
    void hang(in IBinder who, boolean allowRestart);

    List<ActivityManager.StackInfo> getAllStackInfos();
    void moveTaskToStack(int taskId, int stackId, boolean toTop);
    /**
     * Resizes the input stack id to the given bounds.
     *
     * @param stackId Id of the stack to resize.
     * @param bounds Bounds to resize the stack to or {@code null} for fullscreen.
     * @param allowResizeInDockedMode True if the resize should be allowed when the docked stack is
     *                                active.
     * @param preserveWindows True if the windows of activities contained in the stack should be
     *                        preserved.
     * @param animate True if the stack resize should be animated.
     * @param animationDuration The duration of the resize animation in milliseconds or -1 if the
     *                          default animation duration should be used.
     * @throws RemoteException
     */
    void resizeStack(int stackId, in Rect bounds, boolean allowResizeInDockedMode,
            boolean preserveWindows, boolean animate, int animationDuration);
    void setFocusedStack(int stackId);
    ActivityManager.StackInfo getFocusedStackInfo();
    void restart();
    void performIdleMaintenance();
    void appNotRespondingViaProvider(in IBinder connection);
    Rect getTaskBounds(int taskId);
    boolean setProcessMemoryTrimLevel(in String process, int uid, int level);


    // Start of L transactions
    String getTagForIntentSender(in IIntentSender sender, in String prefix);
    boolean startUserInBackground(int userid);
    boolean isInLockTaskMode();
    void startRecentsActivity(in Intent intent, in IAssistDataReceiver assistDataReceiver,
            in IRecentsAnimationRunner recentsAnimationRunner);
    void cancelRecentsAnimation(boolean restoreHomeStackPosition);
    int startActivityFromRecents(int taskId, in Bundle options);
    void startSystemLockTaskMode(int taskId);
    boolean isTopOfTask(in IBinder token);
    void bootAnimationComplete();
    int checkPermissionWithToken(in String permission, int pid, int uid,
            in IBinder callerToken);
    void registerTaskStackListener(in ITaskStackListener listener);
    void unregisterTaskStackListener(in ITaskStackListener listener);
    void notifyCleartextNetwork(int uid, in byte[] firstPacket);
    void setTaskResizeable(int taskId, int resizeableMode);
    void resizeTask(int taskId, in Rect bounds, int resizeMode);
    int getLockTaskModeState();
    void setDumpHeapDebugLimit(in String processName, int uid, long maxMemSize,
            in String reportPackage);
    void dumpHeapFinished(in String path);
    void updateLockTaskPackages(int userId, in String[] packages);
    void noteAlarmStart(in IIntentSender sender, in WorkSource workSource, int sourceUid, in String tag);
    void noteAlarmFinish(in IIntentSender sender, in WorkSource workSource, int sourceUid, in String tag);
    int getPackageProcessState(in String packageName, in String callingPackage);
    void updateDeviceOwner(in String packageName);
    int getUidProcessState(int uid, in String callingPackage);


    // Start of N transactions
    // Start Binder transaction tracking for all applications.
    boolean startBinderTracking();
    // Stop Binder transaction tracking for all applications and dump trace data to the given file
    // descriptor.
    boolean stopBinderTrackingAndDump(in ParcelFileDescriptor fd);
    /**
     * Try to place task to provided position. The final position might be different depending on
     * current user and stacks state. The task will be moved to target stack if it's currently in
     * different stack.
     */
    void positionTaskInStack(int taskId, int stackId, int position);
    void suppressResizeConfigChanges(boolean suppress);
    boolean moveTopActivityToPinnedStack(int stackId, in Rect bounds);
    boolean isAppStartModeDisabled(int uid, in String packageName);
    boolean unlockUser(int userid, in byte[] token, in byte[] secret,
            in IProgressListener listener);
    void killPackageDependents(in String packageName, int userId);
    /**
     * Resizes the docked stack, and all other stacks as the result of the dock stack bounds change.
     *
     * @param dockedBounds The bounds for the docked stack.
     * @param tempDockedTaskBounds The temporary bounds for the tasks in the docked stack, which
     *                             might be different from the stack bounds to allow more
     *                             flexibility while resizing, or {@code null} if they should be the
     *                             same as the stack bounds.
     * @param tempDockedTaskInsetBounds The temporary bounds for the tasks to calculate the insets.
     *                                  When resizing, we usually "freeze" the layout of a task. To
     *                                  achieve that, we also need to "freeze" the insets, which
     *                                  gets achieved by changing task bounds but not bounds used
     *                                  to calculate the insets in this transient state
     * @param tempOtherTaskBounds The temporary bounds for the tasks in all other stacks, or
     *                            {@code null} if they should be the same as the stack bounds.
     * @param tempOtherTaskInsetBounds Like {@code tempDockedTaskInsetBounds}, but for the other
     *                                 stacks.
     * @throws RemoteException
     */
    void resizeDockedStack(in Rect dockedBounds, in Rect tempDockedTaskBounds,
            in Rect tempDockedTaskInsetBounds,
            in Rect tempOtherTaskBounds, in Rect tempOtherTaskInsetBounds);
    boolean isAppForeground(int uid);
    void removeStack(int stackId);
    void makePackageIdle(String packageName, int userId);
    int getMemoryTrimLevel();
    boolean isVrModePackageEnabled(in ComponentName packageName);
    void notifyLockedProfile(int userId);
    void startConfirmDeviceCredentialIntent(in Intent intent, in Bundle options);
    void sendIdleJobTrigger();
    int sendIntentSender(in IIntentSender target, in IBinder whitelistToken, int code,
            in Intent intent, in String resolvedType, in IIntentReceiver finishedReceiver,
            in String requiredPermission, in Bundle options);
    boolean isBackgroundRestricted(in String packageName);

    // Start of N MR1 transactions
    void setRenderThread(int tid);
    /**
     * Lets activity manager know whether the calling process is currently showing "top-level" UI
     * that is not an activity, i.e. windows on the screen the user is currently interacting with.
     *
     * <p>This flag can only be set for persistent processes.
     *
     * @param hasTopUi Whether the calling process has "top-level" UI.
     */
    void setHasTopUi(boolean hasTopUi);

    // Start of O transactions
    int restartUserInBackground(int userId);
    /** Cancels the window transitions for the given task. */
    void cancelTaskWindowTransition(int taskId);
    /**
     * @param taskId the id of the task to retrieve the sAutoapshots for
     * @param reducedResolution if set, if the snapshot needs to be loaded from disk, this will load
     *                          a reduced resolution of it, which is much faster
     * @return a graphic buffer representing a screenshot of a task
     */
    ActivityManager.TaskSnapshot getTaskSnapshot(int taskId, boolean reducedResolution);
    void scheduleApplicationInfoChanged(in List<String> packageNames, int userId);
    void setPersistentVrThread(int tid);

    void waitForNetworkStateUpdate(long procStateSeq);
    /**
     * Add a bare uid to the background restrictions whitelist.  Only the system uid may call this.
     */
    void backgroundWhitelistUid(int uid);

    // Start of P transactions
    /**
     *  Similar to {@link #startUserInBackground(int userId), but with a listener to report
     *  user unlock progress.
     */
    boolean startUserInBackgroundWithListener(int userid, IProgressListener unlockProgressListener);

    /**
     * Method for the shell UID to start deletating its permission identity to an
     * active instrumenation. The shell can delegate permissions only to one active
     * instrumentation at a time. An active instrumentation is one running and
     * started from the shell.
     */
    void startDelegateShellPermissionIdentity(int uid, in String[] permissions);

    /**
     * Method for the shell UID to stop deletating its permission identity to an
     * active instrumenation. An active instrumentation is one running and
     * started from the shell.
     */
    void stopDelegateShellPermissionIdentity();
}
