Migrate activity starts into ActivityStackSupervisor.
Individual ActivityStacks should not be the place where stack
decisions are made.
Change-Id: If9c7a10e1127618c3ae008a0fea6e5943f776be4
diff --git a/services/java/com/android/server/am/ActivityStackSupervisor.java b/services/java/com/android/server/am/ActivityStackSupervisor.java
index a3b9766..e58bf06 100644
--- a/services/java/com/android/server/am/ActivityStackSupervisor.java
+++ b/services/java/com/android/server/am/ActivityStackSupervisor.java
@@ -17,19 +17,39 @@
package com.android.server.am;
import static com.android.server.am.ActivityManagerService.DEBUG_CLEANUP;
+import static com.android.server.am.ActivityManagerService.DEBUG_CONFIGURATION;
import static com.android.server.am.ActivityManagerService.DEBUG_PAUSE;
import static com.android.server.am.ActivityManagerService.TAG;
+import android.app.ActivityManager;
+import android.app.ActivityOptions;
+import android.app.AppGlobals;
+import android.app.IApplicationThread;
import android.app.IThumbnailReceiver;
+import android.app.PendingIntent;
import android.app.ActivityManager.RunningTaskInfo;
+import android.app.IActivityManager.WaitResult;
+import android.content.ComponentName;
import android.content.Context;
+import android.content.IIntentSender;
import android.content.Intent;
+import android.content.IntentSender;
import android.content.pm.ActivityInfo;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.content.res.Configuration;
+import android.os.Binder;
import android.os.Bundle;
+import android.os.IBinder;
import android.os.Looper;
+import android.os.ParcelFileDescriptor;
import android.os.RemoteException;
+import android.os.SystemClock;
import android.util.Slog;
+import com.android.internal.app.HeavyWeightSwitcherActivity;
+
import java.io.FileDescriptor;
import java.io.IOException;
import java.io.PrintWriter;
@@ -177,11 +197,297 @@
return r;
}
+ ActivityInfo resolveActivity(Intent intent, String resolvedType, int startFlags,
+ String profileFile, ParcelFileDescriptor profileFd, int userId) {
+ // Collect information about the target of the Intent.
+ ActivityInfo aInfo;
+ try {
+ ResolveInfo rInfo =
+ AppGlobals.getPackageManager().resolveIntent(
+ intent, resolvedType,
+ PackageManager.MATCH_DEFAULT_ONLY
+ | ActivityManagerService.STOCK_PM_FLAGS, userId);
+ aInfo = rInfo != null ? rInfo.activityInfo : null;
+ } catch (RemoteException e) {
+ aInfo = null;
+ }
+
+ if (aInfo != null) {
+ // Store the found target back into the intent, because now that
+ // we have it we never want to do this again. For example, if the
+ // user navigates back to this point in the history, we should
+ // always restart the exact same activity.
+ intent.setComponent(new ComponentName(
+ aInfo.applicationInfo.packageName, aInfo.name));
+
+ // Don't debug things in the system process
+ if ((startFlags&ActivityManager.START_FLAG_DEBUG) != 0) {
+ if (!aInfo.processName.equals("system")) {
+ mService.setDebugApp(aInfo.processName, true, false);
+ }
+ }
+
+ if ((startFlags&ActivityManager.START_FLAG_OPENGL_TRACES) != 0) {
+ if (!aInfo.processName.equals("system")) {
+ mService.setOpenGlTraceApp(aInfo.applicationInfo, aInfo.processName);
+ }
+ }
+
+ if (profileFile != null) {
+ if (!aInfo.processName.equals("system")) {
+ mService.setProfileApp(aInfo.applicationInfo, aInfo.processName,
+ profileFile, profileFd,
+ (startFlags&ActivityManager.START_FLAG_AUTO_STOP_PROFILER) != 0);
+ }
+ }
+ }
+ return aInfo;
+ }
+
void startHomeActivity(Intent intent, ActivityInfo aInfo) {
mHomeStack.startActivityLocked(null, intent, null, aInfo, null, null, 0, 0, 0, null, 0,
null, false, null);
}
+ final int startActivityMayWait(IApplicationThread caller, int callingUid,
+ String callingPackage, Intent intent, String resolvedType, IBinder resultTo,
+ String resultWho, int requestCode, int startFlags, String profileFile,
+ ParcelFileDescriptor profileFd, WaitResult outResult, Configuration config,
+ Bundle options, int userId) {
+ // Refuse possible leaked file descriptors
+ if (intent != null && intent.hasFileDescriptors()) {
+ throw new IllegalArgumentException("File descriptors passed in Intent");
+ }
+ boolean componentSpecified = intent.getComponent() != null;
+
+ // Don't modify the client's object!
+ intent = new Intent(intent);
+
+ // Collect information about the target of the Intent.
+ ActivityInfo aInfo = resolveActivity(intent, resolvedType, startFlags,
+ profileFile, profileFd, userId);
+
+ synchronized (mService) {
+ int callingPid;
+ if (callingUid >= 0) {
+ callingPid = -1;
+ } else if (caller == null) {
+ callingPid = Binder.getCallingPid();
+ callingUid = Binder.getCallingUid();
+ } else {
+ callingPid = callingUid = -1;
+ }
+
+ mMainStack.mConfigWillChange = config != null
+ && mService.mConfiguration.diff(config) != 0;
+ if (DEBUG_CONFIGURATION) Slog.v(TAG,
+ "Starting activity when config will change = " + mMainStack.mConfigWillChange);
+
+ final long origId = Binder.clearCallingIdentity();
+
+ if (aInfo != null &&
+ (aInfo.applicationInfo.flags&ApplicationInfo.FLAG_CANT_SAVE_STATE) != 0) {
+ // This may be a heavy-weight process! Check to see if we already
+ // have another, different heavy-weight process running.
+ if (aInfo.processName.equals(aInfo.applicationInfo.packageName)) {
+ if (mService.mHeavyWeightProcess != null &&
+ (mService.mHeavyWeightProcess.info.uid != aInfo.applicationInfo.uid ||
+ !mService.mHeavyWeightProcess.processName.equals(aInfo.processName))) {
+ int realCallingPid = callingPid;
+ int realCallingUid = callingUid;
+ if (caller != null) {
+ ProcessRecord callerApp = mService.getRecordForAppLocked(caller);
+ if (callerApp != null) {
+ realCallingPid = callerApp.pid;
+ realCallingUid = callerApp.info.uid;
+ } else {
+ Slog.w(TAG, "Unable to find app for caller " + caller
+ + " (pid=" + realCallingPid + ") when starting: "
+ + intent.toString());
+ ActivityOptions.abort(options);
+ return ActivityManager.START_PERMISSION_DENIED;
+ }
+ }
+
+ IIntentSender target = mService.getIntentSenderLocked(
+ ActivityManager.INTENT_SENDER_ACTIVITY, "android",
+ realCallingUid, userId, null, null, 0, new Intent[] { intent },
+ new String[] { resolvedType }, PendingIntent.FLAG_CANCEL_CURRENT
+ | PendingIntent.FLAG_ONE_SHOT, null);
+
+ Intent newIntent = new Intent();
+ if (requestCode >= 0) {
+ // Caller is requesting a result.
+ newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_HAS_RESULT, true);
+ }
+ newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_INTENT,
+ new IntentSender(target));
+ if (mService.mHeavyWeightProcess.activities.size() > 0) {
+ ActivityRecord hist = mService.mHeavyWeightProcess.activities.get(0);
+ newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_CUR_APP,
+ hist.packageName);
+ newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_CUR_TASK,
+ hist.task.taskId);
+ }
+ newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_NEW_APP,
+ aInfo.packageName);
+ newIntent.setFlags(intent.getFlags());
+ newIntent.setClassName("android",
+ HeavyWeightSwitcherActivity.class.getName());
+ intent = newIntent;
+ resolvedType = null;
+ caller = null;
+ callingUid = Binder.getCallingUid();
+ callingPid = Binder.getCallingPid();
+ componentSpecified = true;
+ try {
+ ResolveInfo rInfo =
+ AppGlobals.getPackageManager().resolveIntent(
+ intent, null,
+ PackageManager.MATCH_DEFAULT_ONLY
+ | ActivityManagerService.STOCK_PM_FLAGS, userId);
+ aInfo = rInfo != null ? rInfo.activityInfo : null;
+ aInfo = mService.getActivityInfoForUser(aInfo, userId);
+ } catch (RemoteException e) {
+ aInfo = null;
+ }
+ }
+ }
+ }
+
+ int res = mMainStack.startActivityLocked(caller, intent, resolvedType,
+ aInfo, resultTo, resultWho, requestCode, callingPid, callingUid,
+ callingPackage, startFlags, options, componentSpecified, null);
+
+ if (mMainStack.mConfigWillChange) {
+ // If the caller also wants to switch to a new configuration,
+ // do so now. This allows a clean switch, as we are waiting
+ // for the current activity to pause (so we will not destroy
+ // it), and have not yet started the next activity.
+ mService.enforceCallingPermission(android.Manifest.permission.CHANGE_CONFIGURATION,
+ "updateConfiguration()");
+ mMainStack.mConfigWillChange = false;
+ if (DEBUG_CONFIGURATION) Slog.v(TAG,
+ "Updating to new configuration after starting activity.");
+ mService.updateConfigurationLocked(config, null, false, false);
+ }
+
+ Binder.restoreCallingIdentity(origId);
+
+ if (outResult != null) {
+ outResult.result = res;
+ if (res == ActivityManager.START_SUCCESS) {
+ mMainStack.mWaitingActivityLaunched.add(outResult);
+ do {
+ try {
+ mService.wait();
+ } catch (InterruptedException e) {
+ }
+ } while (!outResult.timeout && outResult.who == null);
+ } else if (res == ActivityManager.START_TASK_TO_FRONT) {
+ ActivityRecord r = mMainStack.topRunningActivityLocked(null);
+ if (r.nowVisible) {
+ outResult.timeout = false;
+ outResult.who = new ComponentName(r.info.packageName, r.info.name);
+ outResult.totalTime = 0;
+ outResult.thisTime = 0;
+ } else {
+ outResult.thisTime = SystemClock.uptimeMillis();
+ mMainStack.mWaitingActivityVisible.add(outResult);
+ do {
+ try {
+ mService.wait();
+ } catch (InterruptedException e) {
+ }
+ } while (!outResult.timeout && outResult.who == null);
+ }
+ }
+ }
+
+ return res;
+ }
+ }
+
+ final int startActivities(IApplicationThread caller, int callingUid, String callingPackage,
+ Intent[] intents, String[] resolvedTypes, IBinder resultTo,
+ Bundle options, int userId) {
+ if (intents == null) {
+ throw new NullPointerException("intents is null");
+ }
+ if (resolvedTypes == null) {
+ throw new NullPointerException("resolvedTypes is null");
+ }
+ if (intents.length != resolvedTypes.length) {
+ throw new IllegalArgumentException("intents are length different than resolvedTypes");
+ }
+
+ ActivityRecord[] outActivity = new ActivityRecord[1];
+
+ int callingPid;
+ if (callingUid >= 0) {
+ callingPid = -1;
+ } else if (caller == null) {
+ callingPid = Binder.getCallingPid();
+ callingUid = Binder.getCallingUid();
+ } else {
+ callingPid = callingUid = -1;
+ }
+ final long origId = Binder.clearCallingIdentity();
+ try {
+ synchronized (mService) {
+
+ for (int i=0; i<intents.length; i++) {
+ Intent intent = intents[i];
+ if (intent == null) {
+ continue;
+ }
+
+ // Refuse possible leaked file descriptors
+ if (intent != null && intent.hasFileDescriptors()) {
+ throw new IllegalArgumentException("File descriptors passed in Intent");
+ }
+
+ boolean componentSpecified = intent.getComponent() != null;
+
+ // Don't modify the client's object!
+ intent = new Intent(intent);
+
+ // Collect information about the target of the Intent.
+ ActivityInfo aInfo = resolveActivity(intent, resolvedTypes[i],
+ 0, null, null, userId);
+ // TODO: New, check if this is correct
+ aInfo = mService.getActivityInfoForUser(aInfo, userId);
+
+ if (aInfo != null &&
+ (aInfo.applicationInfo.flags & ApplicationInfo.FLAG_CANT_SAVE_STATE)
+ != 0) {
+ throw new IllegalArgumentException(
+ "FLAG_CANT_SAVE_STATE not supported here");
+ }
+
+ Bundle theseOptions;
+ if (options != null && i == intents.length-1) {
+ theseOptions = options;
+ } else {
+ theseOptions = null;
+ }
+ int res = mMainStack.startActivityLocked(caller, intent, resolvedTypes[i],
+ aInfo, resultTo, null, -1, callingPid, callingUid, callingPackage,
+ 0, theseOptions, componentSpecified, outActivity);
+ if (res < 0) {
+ return res;
+ }
+
+ resultTo = outActivity[0] != null ? outActivity[0].appToken : null;
+ }
+ }
+ } finally {
+ Binder.restoreCallingIdentity(origId);
+ }
+
+ return ActivityManager.START_SUCCESS;
+ }
+
void handleAppDiedLocked(ProcessRecord app, boolean restarting) {
// Just in case.
final int numStacks = mStacks.size();