Move startActivity from ActivityStack to Supervisor
Change-Id: I188c8e95e6f8371a016ad6fceb0bfa5de04e4abb
diff --git a/services/java/com/android/server/am/ActivityStackSupervisor.java b/services/java/com/android/server/am/ActivityStackSupervisor.java
index 2f0ebc4..f236191 100644
--- a/services/java/com/android/server/am/ActivityStackSupervisor.java
+++ b/services/java/com/android/server/am/ActivityStackSupervisor.java
@@ -16,8 +16,11 @@
package com.android.server.am;
+import static android.Manifest.permission.START_ANY_ACTIVITY;
+import static android.content.pm.PackageManager.PERMISSION_GRANTED;
import static com.android.server.am.ActivityManagerService.localLOGV;
import static com.android.server.am.ActivityManagerService.DEBUG_CONFIGURATION;
+import static com.android.server.am.ActivityManagerService.DEBUG_RESULTS;
import static com.android.server.am.ActivityManagerService.DEBUG_SWITCH;
import static com.android.server.am.ActivityManagerService.TAG;
@@ -49,10 +52,12 @@
import android.os.ParcelFileDescriptor;
import android.os.RemoteException;
import android.os.SystemClock;
+import android.os.UserHandle;
import android.util.EventLog;
import android.util.Slog;
import com.android.internal.app.HeavyWeightSwitcherActivity;
+import com.android.server.am.ActivityManagerService.PendingActivityLaunch;
import com.android.server.am.ActivityStack.ActivityState;
import java.io.FileDescriptor;
@@ -146,6 +151,16 @@
return null;
}
+ ActivityRecord isInAnyStackLocked(IBinder token) {
+ for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) {
+ final ActivityRecord r = mStacks.get(stackNdx).isInStackLocked(token);
+ if (r != null) {
+ return r;
+ }
+ }
+ return null;
+ }
+
int getNextTaskId() {
do {
mCurTaskId++;
@@ -258,7 +273,7 @@
}
void startHomeActivity(Intent intent, ActivityInfo aInfo) {
- mHomeStack.startActivityLocked(null, intent, null, aInfo, null, null, 0, 0, 0, null, 0,
+ startActivityLocked(null, intent, null, aInfo, null, null, 0, 0, 0, null, 0,
null, false, null);
}
@@ -368,7 +383,7 @@
}
}
- int res = mMainStack.startActivityLocked(caller, intent, resolvedType,
+ int res = startActivityLocked(caller, intent, resolvedType,
aInfo, resultTo, resultWho, requestCode, callingPid, callingUid,
callingPackage, startFlags, options, componentSpecified, null);
@@ -484,7 +499,7 @@
} else {
theseOptions = null;
}
- int res = mMainStack.startActivityLocked(caller, intent, resolvedTypes[i],
+ int res = startActivityLocked(caller, intent, resolvedTypes[i],
aInfo, resultTo, null, -1, callingPid, callingUid, callingPackage,
0, theseOptions, componentSpecified, outActivity);
if (res < 0) {
@@ -695,6 +710,186 @@
"activity", r.intent.getComponent(), false, false);
}
+ final int startActivityLocked(IApplicationThread caller,
+ Intent intent, String resolvedType, ActivityInfo aInfo, IBinder resultTo,
+ String resultWho, int requestCode,
+ int callingPid, int callingUid, String callingPackage, int startFlags, Bundle options,
+ boolean componentSpecified, ActivityRecord[] outActivity) {
+ int err = ActivityManager.START_SUCCESS;
+
+ ProcessRecord callerApp = null;
+ if (caller != null) {
+ callerApp = mService.getRecordForAppLocked(caller);
+ if (callerApp != null) {
+ callingPid = callerApp.pid;
+ callingUid = callerApp.info.uid;
+ } else {
+ Slog.w(TAG, "Unable to find app for caller " + caller
+ + " (pid=" + callingPid + ") when starting: "
+ + intent.toString());
+ err = ActivityManager.START_PERMISSION_DENIED;
+ }
+ }
+
+ if (err == ActivityManager.START_SUCCESS) {
+ final int userId = aInfo != null ? UserHandle.getUserId(aInfo.applicationInfo.uid) : 0;
+ Slog.i(TAG, "START u" + userId + " {" + intent.toShortString(true, true, true, false)
+ + "} from pid " + (callerApp != null ? callerApp.pid : callingPid));
+ }
+
+ ActivityRecord sourceRecord = null;
+ ActivityRecord resultRecord = null;
+ if (resultTo != null) {
+ sourceRecord = isInAnyStackLocked(resultTo);
+ if (DEBUG_RESULTS) Slog.v(
+ TAG, "Will send result to " + resultTo + " " + sourceRecord);
+ if (sourceRecord != null) {
+ if (requestCode >= 0 && !sourceRecord.finishing) {
+ resultRecord = sourceRecord;
+ }
+ }
+ }
+ ActivityStack resultStack = resultRecord == null ? null : resultRecord.task.stack;
+
+ int launchFlags = intent.getFlags();
+
+ if ((launchFlags&Intent.FLAG_ACTIVITY_FORWARD_RESULT) != 0
+ && sourceRecord != null) {
+ // Transfer the result target from the source activity to the new
+ // one being started, including any failures.
+ if (requestCode >= 0) {
+ ActivityOptions.abort(options);
+ return ActivityManager.START_FORWARD_AND_REQUEST_CONFLICT;
+ }
+ resultRecord = sourceRecord.resultTo;
+ resultWho = sourceRecord.resultWho;
+ requestCode = sourceRecord.requestCode;
+ sourceRecord.resultTo = null;
+ if (resultRecord != null) {
+ resultRecord.removeResultsLocked(
+ sourceRecord, resultWho, requestCode);
+ }
+ }
+
+ if (err == ActivityManager.START_SUCCESS && intent.getComponent() == null) {
+ // We couldn't find a class that can handle the given Intent.
+ // That's the end of that!
+ err = ActivityManager.START_INTENT_NOT_RESOLVED;
+ }
+
+ if (err == ActivityManager.START_SUCCESS && aInfo == null) {
+ // We couldn't find the specific class specified in the Intent.
+ // Also the end of the line.
+ err = ActivityManager.START_CLASS_NOT_FOUND;
+ }
+
+ if (err != ActivityManager.START_SUCCESS) {
+ if (resultRecord != null) {
+ resultStack.sendActivityResultLocked(-1,
+ resultRecord, resultWho, requestCode,
+ Activity.RESULT_CANCELED, null);
+ }
+ setDismissKeyguard(false);
+ ActivityOptions.abort(options);
+ return err;
+ }
+
+ final int startAnyPerm = mService.checkPermission(
+ START_ANY_ACTIVITY, callingPid, callingUid);
+ final int componentPerm = mService.checkComponentPermission(aInfo.permission, callingPid,
+ callingUid, aInfo.applicationInfo.uid, aInfo.exported);
+ if (startAnyPerm != PERMISSION_GRANTED && componentPerm != PERMISSION_GRANTED) {
+ if (resultRecord != null) {
+ resultStack.sendActivityResultLocked(-1,
+ resultRecord, resultWho, requestCode,
+ Activity.RESULT_CANCELED, null);
+ }
+ setDismissKeyguard(false);
+ String msg;
+ if (!aInfo.exported) {
+ msg = "Permission Denial: starting " + intent.toString()
+ + " from " + callerApp + " (pid=" + callingPid
+ + ", uid=" + callingUid + ")"
+ + " not exported from uid " + aInfo.applicationInfo.uid;
+ } else {
+ msg = "Permission Denial: starting " + intent.toString()
+ + " from " + callerApp + " (pid=" + callingPid
+ + ", uid=" + callingUid + ")"
+ + " requires " + aInfo.permission;
+ }
+ Slog.w(TAG, msg);
+ throw new SecurityException(msg);
+ }
+
+ if (mService.mController != null) {
+ boolean abort = false;
+ try {
+ // The Intent we give to the watcher has the extra data
+ // stripped off, since it can contain private information.
+ Intent watchIntent = intent.cloneFilter();
+ abort = !mService.mController.activityStarting(watchIntent,
+ aInfo.applicationInfo.packageName);
+ } catch (RemoteException e) {
+ mService.mController = null;
+ }
+
+ if (abort) {
+ if (resultRecord != null) {
+ resultStack.sendActivityResultLocked(-1, resultRecord, resultWho, requestCode,
+ Activity.RESULT_CANCELED, null);
+ }
+ // We pretend to the caller that it was really started, but
+ // they will just get a cancel result.
+ setDismissKeyguard(false);
+ ActivityOptions.abort(options);
+ return ActivityManager.START_SUCCESS;
+ }
+ }
+
+ ActivityRecord r = new ActivityRecord(mService, callerApp, callingUid, callingPackage,
+ intent, resolvedType, aInfo, mService.mConfiguration,
+ resultRecord, resultWho, requestCode, componentSpecified);
+ if (outActivity != null) {
+ outActivity[0] = r;
+ }
+
+ if (mMainStack.mResumedActivity == null
+ || mMainStack.mResumedActivity.info.applicationInfo.uid != callingUid) {
+ if (!mService.checkAppSwitchAllowedLocked(callingPid, callingUid, "Activity start")) {
+ PendingActivityLaunch pal =
+ new PendingActivityLaunch(r, sourceRecord, startFlags, mMainStack);
+ mService.mPendingActivityLaunches.add(pal);
+ setDismissKeyguard(false);
+ ActivityOptions.abort(options);
+ return ActivityManager.START_SWITCHES_CANCELED;
+ }
+ }
+
+ if (mService.mDidAppSwitch) {
+ // This is the second allowed switch since we stopped switches,
+ // so now just generally allow switches. Use case: user presses
+ // home (switches disabled, switch to home, mDidAppSwitch now true);
+ // user taps a home icon (coming from home so allowed, we hit here
+ // and now allow anyone to switch again).
+ mService.mAppSwitchesAllowedTime = 0;
+ } else {
+ mService.mDidAppSwitch = true;
+ }
+
+ mService.doPendingActivityLaunchesLocked(false);
+
+ err = mMainStack.startActivityUncheckedLocked(r, sourceRecord,
+ startFlags, true, options);
+ if (mMainStack.mPausingActivity == null) {
+ // Someone asked to have the keyguard dismissed on the next
+ // activity start, but we are not actually doing an activity
+ // switch... just dismiss the keyguard now, because we
+ // probably want to see whatever is behind it.
+ dismissKeyguard();
+ }
+ return err;
+ }
+
void handleAppDiedLocked(ProcessRecord app, boolean restarting) {
// Just in case.
final int numStacks = mStacks.size();