Make ActivityStack.mHistory private.
Isolate the Activity history for later conversion to Task-based
management.
Change-Id: I4b6bf22de035c768aa705df0cc4f84486e8ede56
diff --git a/services/java/com/android/server/am/ActivityManagerService.java b/services/java/com/android/server/am/ActivityManagerService.java
index 7b6e79e..9a64a7e 100644
--- a/services/java/com/android/server/am/ActivityManagerService.java
+++ b/services/java/com/android/server/am/ActivityManagerService.java
@@ -37,6 +37,7 @@
import android.app.Activity;
import android.app.ActivityManager;
+import android.app.ActivityManager.RunningTaskInfo;
import android.app.ActivityManagerNative;
import android.app.ActivityOptions;
import android.app.ActivityThread;
@@ -328,7 +329,7 @@
/**
* List of intents that were used to start the most recent tasks.
*/
- final ArrayList<TaskRecord> mRecentTasks = new ArrayList<TaskRecord>();
+ private final ArrayList<TaskRecord> mRecentTasks = new ArrayList<TaskRecord>();
public class PendingActivityExtras extends Binder implements Runnable {
public final ActivityRecord activity;
@@ -596,13 +597,8 @@
* List of PendingThumbnailsRecord objects of clients who are still
* waiting to receive all of the thumbnails for a task.
*/
- final ArrayList mPendingThumbnails = new ArrayList();
-
- /**
- * List of HistoryRecord objects that have been finished and must
- * still report back to a pending thumbnail receiver.
- */
- final ArrayList mCancelledThumbnails = new ArrayList();
+ final ArrayList<PendingThumbnailsRecord> mPendingThumbnails =
+ new ArrayList<PendingThumbnailsRecord>();
final ProviderMap mProviderMap;
@@ -2932,22 +2928,13 @@
}
}
+ @Override
public boolean willActivityBeVisible(IBinder token) {
synchronized(this) {
- int i;
- for (i=mMainStack.mHistory.size()-1; i>=0; i--) {
- ActivityRecord r = (ActivityRecord)mMainStack.mHistory.get(i);
- if (r.appToken == token) {
- return true;
- }
- if (r.fullscreen && !r.finishing) {
- return false;
- }
- }
- return true;
+ return mMainStack.willActivityBeVisibleLocked(token);
}
}
-
+
public void overridePendingTransition(IBinder token, String packageName,
int enterAnim, int exitAnim) {
synchronized(this) {
@@ -3717,13 +3704,7 @@
}
mWindowManager.closeSystemDialogs(reason);
- for (int i=mMainStack.mHistory.size()-1; i>=0; i--) {
- ActivityRecord r = (ActivityRecord)mMainStack.mHistory.get(i);
- if ((r.info.flags&ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS) != 0) {
- r.stack.finishActivityLocked(r, i,
- Activity.RESULT_CANCELED, null, "close-sys", true);
- }
- }
+ mMainStack.closeSystemDialogsLocked();
broadcastIntentLocked(null, null, intent, null,
null, 0, null, null, null, AppOpsManager.OP_NONE, false, false, -1,
@@ -3930,37 +3911,12 @@
boolean didSomething = killPackageProcessesLocked(name, appId, userId,
-100, callerWillRestart, true, doit, evenPersistent,
name == null ? ("force stop user " + userId) : ("force stop " + name));
-
- TaskRecord lastTask = null;
- for (i=0; i<mMainStack.mHistory.size(); i++) {
- ActivityRecord r = (ActivityRecord)mMainStack.mHistory.get(i);
- final boolean samePackage = r.packageName.equals(name)
- || (name == null && r.userId == userId);
- if ((userId == UserHandle.USER_ALL || r.userId == userId)
- && (samePackage || r.task == lastTask)
- && (r.app == null || evenPersistent || !r.app.persistent)) {
- if (!doit) {
- if (r.finishing) {
- // If this activity is just finishing, then it is not
- // interesting as far as something to stop.
- continue;
- }
- return true;
- }
- didSomething = true;
- Slog.i(TAG, " Force finishing activity " + r);
- if (samePackage) {
- if (r.app != null) {
- r.app.removed = true;
- }
- r.app = null;
- }
- lastTask = r.task;
- if (r.stack.finishActivityLocked(r, i, Activity.RESULT_CANCELED,
- null, "force-stop", true)) {
- i--;
- }
+
+ if (mMainStack.forceStopPackageLocked(name, doit, evenPersistent, userId)) {
+ if (!doit) {
+ return true;
}
+ didSomething = true;
}
if (mServices.forceStopLocked(name, userId, evenPersistent, doit)) {
@@ -5670,12 +5626,12 @@
// TASK MANAGEMENT
// =========================================================
- public List getTasks(int maxNum, int flags,
+ @Override
+ public List<RunningTaskInfo> getTasks(int maxNum, int flags,
IThumbnailReceiver receiver) {
- ArrayList list = new ArrayList();
+ ArrayList<RunningTaskInfo> list = new ArrayList<RunningTaskInfo>();
- PendingThumbnailsRecord pending = null;
- IApplicationThread topThumbnail = null;
+ PendingThumbnailsRecord pending = new PendingThumbnailsRecord(receiver);
ActivityRecord topRecord = null;
synchronized(this) {
@@ -5701,88 +5657,19 @@
throw new SecurityException(msg);
}
- int pos = mMainStack.mHistory.size()-1;
- ActivityRecord next =
- pos >= 0 ? (ActivityRecord)mMainStack.mHistory.get(pos) : null;
- ActivityRecord top = null;
- TaskRecord curTask = null;
- int numActivities = 0;
- int numRunning = 0;
- while (pos >= 0 && maxNum > 0) {
- final ActivityRecord r = next;
- pos--;
- next = pos >= 0 ? (ActivityRecord)mMainStack.mHistory.get(pos) : null;
+ topRecord = mMainStack.getTasksLocked(maxNum, receiver, pending, list);
- // Initialize state for next task if needed.
- if (top == null ||
- (top.state == ActivityState.INITIALIZING
- && top.task == r.task)) {
- top = r;
- curTask = r.task;
- numActivities = numRunning = 0;
- }
-
- // Add 'r' into the current task.
- numActivities++;
- if (r.app != null && r.app.thread != null) {
- numRunning++;
- }
-
- if (localLOGV) Slog.v(
- TAG, r.intent.getComponent().flattenToShortString()
- + ": task=" + r.task);
-
- // If the next one is a different task, generate a new
- // TaskInfo entry for what we have.
- if (next == null || next.task != curTask) {
- ActivityManager.RunningTaskInfo ci
- = new ActivityManager.RunningTaskInfo();
- ci.id = curTask.taskId;
- ci.baseActivity = r.intent.getComponent();
- ci.topActivity = top.intent.getComponent();
- if (top.thumbHolder != null) {
- ci.description = top.thumbHolder.lastDescription;
- }
- ci.numActivities = numActivities;
- ci.numRunning = numRunning;
- //System.out.println(
- // "#" + maxNum + ": " + " descr=" + ci.description);
- if (ci.thumbnail == null && receiver != null) {
- if (localLOGV) Slog.v(
- TAG, "State=" + top.state + "Idle=" + top.idle
- + " app=" + top.app
- + " thr=" + (top.app != null ? top.app.thread : null));
- if (top.state == ActivityState.RESUMED
- || top.state == ActivityState.PAUSING) {
- if (top.idle && top.app != null
- && top.app.thread != null) {
- topRecord = top;
- topThumbnail = top.app.thread;
- } else {
- top.thumbnailNeeded = true;
- }
- }
- if (pending == null) {
- pending = new PendingThumbnailsRecord(receiver);
- }
- pending.pendingRecords.add(top);
- }
- list.add(ci);
- maxNum--;
- top = null;
- }
- }
-
- if (pending != null) {
+ if (!pending.pendingRecords.isEmpty()) {
mPendingThumbnails.add(pending);
}
}
if (localLOGV) Slog.v(TAG, "We have pending thumbnails: " + pending);
- if (topThumbnail != null) {
+ if (topRecord != null) {
if (localLOGV) Slog.v(TAG, "Requesting top thumbnail");
try {
+ IApplicationThread topThumbnail = topRecord.app.thread;
topThumbnail.requestThumbnail(topRecord.appToken);
} catch (Exception e) {
Slog.w(TAG, "Exception thrown when requesting thumbnail", e);
@@ -6017,43 +5904,6 @@
return false;
}
- private final int findAffinityTaskTopLocked(int startIndex, String affinity) {
- int j;
- TaskRecord startTask = ((ActivityRecord)mMainStack.mHistory.get(startIndex)).task;
- TaskRecord jt = startTask;
-
- // First look backwards
- for (j=startIndex-1; j>=0; j--) {
- ActivityRecord r = (ActivityRecord)mMainStack.mHistory.get(j);
- if (r.task != jt) {
- jt = r.task;
- if (affinity.equals(jt.affinity)) {
- return j;
- }
- }
- }
-
- // Now look forwards
- final int N = mMainStack.mHistory.size();
- jt = startTask;
- for (j=startIndex+1; j<N; j++) {
- ActivityRecord r = (ActivityRecord)mMainStack.mHistory.get(j);
- if (r.task != jt) {
- if (affinity.equals(jt.affinity)) {
- return j;
- }
- jt = r.task;
- }
- }
-
- // Might it be at the top?
- if (affinity.equals(((ActivityRecord)mMainStack.mHistory.get(N-1)).task.affinity)) {
- return N-1;
- }
-
- return -1;
- }
-
/**
* TODO: Add mController hook
*/
@@ -6082,20 +5932,8 @@
mMainStack.moveTaskToFrontLocked(tr, null, options);
return;
}
- for (int i=mMainStack.mHistory.size()-1; i>=0; i--) {
- ActivityRecord hr = (ActivityRecord)mMainStack.mHistory.get(i);
- if (hr.task.taskId == task) {
- if ((flags&ActivityManager.MOVE_TASK_NO_USER_ACTION) == 0) {
- mMainStack.mUserLeaving = true;
- }
- if ((flags&ActivityManager.MOVE_TASK_WITH_HOME) != 0) {
- // Caller wants the home activity moved with it. To accomplish this,
- // we'll just move the home task to the top first.
- mMainStack.moveHomeToFrontLocked();
- }
- mMainStack.moveTaskToFrontLocked(hr.task, null, options);
- return;
- }
+ if (mMainStack.findTaskToMoveToFrontLocked(task, flags, options)) {
+ return;
}
} finally {
Binder.restoreCallingIdentity(origId);
@@ -6135,7 +5973,7 @@
enforceNotIsolatedCaller("moveActivityTaskToBack");
synchronized(this) {
final long origId = Binder.clearCallingIdentity();
- int taskId = getTaskForActivityLocked(token, !nonRoot);
+ int taskId = mMainStack.getTaskForActivityLocked(token, !nonRoot);
if (taskId >= 0) {
return mMainStack.moveTaskToBackLocked(taskId, null);
}
@@ -6165,27 +6003,10 @@
public int getTaskForActivity(IBinder token, boolean onlyRoot) {
synchronized(this) {
- return getTaskForActivityLocked(token, onlyRoot);
+ return mMainStack.getTaskForActivityLocked(token, onlyRoot);
}
}
- int getTaskForActivityLocked(IBinder token, boolean onlyRoot) {
- final int N = mMainStack.mHistory.size();
- TaskRecord lastTask = null;
- for (int i=0; i<N; i++) {
- ActivityRecord r = (ActivityRecord)mMainStack.mHistory.get(i);
- if (r.appToken == token) {
- if (!onlyRoot || lastTask != r.task) {
- return r.task.taskId;
- }
- return -1;
- }
- lastTask = r.task;
- }
-
- return -1;
- }
-
// =========================================================
// THUMBNAILS
// =========================================================
@@ -7091,13 +6912,10 @@
"unhandledBack()");
synchronized(this) {
- int count = mMainStack.mHistory.size();
- if (DEBUG_SWITCH) Slog.d(
- TAG, "Performing unhandledBack(): stack size = " + count);
- if (count > 1) {
- final long origId = Binder.clearCallingIdentity();
- mMainStack.finishActivityLocked((ActivityRecord)mMainStack.mHistory.get(count-1),
- count-1, Activity.RESULT_CANCELED, null, "unhandled-back", true);
+ final long origId = Binder.clearCallingIdentity();
+ try {
+ mMainStack.unhandledBackLocked();
+ } finally {
Binder.restoreCallingIdentity(origId);
}
}
@@ -8158,15 +7976,7 @@
+ " has crashed too many times: killing!");
EventLog.writeEvent(EventLogTags.AM_PROCESS_CRASHED_TOO_MUCH,
app.userId, app.info.processName, app.uid);
- for (int i=mMainStack.mHistory.size()-1; i>=0; i--) {
- ActivityRecord r = (ActivityRecord)mMainStack.mHistory.get(i);
- if (r.app == app) {
- Slog.w(TAG, " Force finishing activity "
- + r.intent.getComponent().flattenToShortString());
- r.stack.finishActivityLocked(r, i, Activity.RESULT_CANCELED,
- null, "crashed", false);
- }
- }
+ mMainStack.handleAppCrashLocked(app);
if (!app.persistent) {
// We don't want to start this process again until the user
// explicitly does so... but for persistent process, we really
@@ -8205,7 +8015,7 @@
// re-start our crashing activity once it gets resumed again.
index--;
if (index >= 0) {
- r = (ActivityRecord)mMainStack.mHistory.get(index);
+ r = mMainStack.getActivityAtIndex(index);
if (r.state == ActivityState.RESUMED
|| r.state == ActivityState.PAUSING
|| r.state == ActivityState.PAUSED) {
@@ -9236,8 +9046,7 @@
int opti, boolean dumpAll, boolean dumpClient, String dumpPackage) {
pw.println("ACTIVITY MANAGER ACTIVITIES (dumpsys activity activities)");
pw.println(" Main stack:");
- dumpHistoryList(fd, pw, mMainStack.mHistory, " ", "Hist", true, !dumpAll, dumpClient,
- dumpPackage);
+ mMainStack.dumpActivitiesLocked(fd, pw, dumpAll, dumpClient, dumpPackage);
pw.println(" ");
pw.println(" Running activities (most recent first):");
dumpHistoryList(fd, pw, mMainStack.mLRUActivities, " ", "Run", false, !dumpAll, false,
@@ -9767,32 +9576,10 @@
*/
protected boolean dumpActivity(FileDescriptor fd, PrintWriter pw, String name, String[] args,
int opti, boolean dumpAll) {
- ArrayList<ActivityRecord> activities = new ArrayList<ActivityRecord>();
-
- if ("all".equals(name)) {
- synchronized (this) {
- for (ActivityRecord r1 : (ArrayList<ActivityRecord>)mMainStack.mHistory) {
- activities.add(r1);
- }
- }
- } else if ("top".equals(name)) {
- synchronized (this) {
- final int N = mMainStack.mHistory.size();
- if (N > 0) {
- activities.add((ActivityRecord)mMainStack.mHistory.get(N-1));
- }
- }
- } else {
- ItemMatcher matcher = new ItemMatcher();
- matcher.build(name);
-
- synchronized (this) {
- for (ActivityRecord r1 : (ArrayList<ActivityRecord>)mMainStack.mHistory) {
- if (matcher.match(r1, r1.intent.getComponent())) {
- activities.add(r1);
- }
- }
- }
+ ArrayList<ActivityRecord> activities;
+
+ synchronized (this) {
+ activities = mMainStack.getDumpActivitiesLocked(name);
}
if (activities.size() <= 0) {
@@ -10044,7 +9831,7 @@
return needSep;
}
- private static final void dumpHistoryList(FileDescriptor fd, PrintWriter pw, List list,
+ static final void dumpHistoryList(FileDescriptor fd, PrintWriter pw, List list,
String prefix, String label, boolean complete, boolean brief, boolean client,
String dumpPackage) {
TaskRecord lastTask = null;
@@ -12584,8 +12371,8 @@
if (srec == null) {
return false;
}
- ArrayList<ActivityRecord> history = srec.stack.mHistory;
- final int start = history.indexOf(srec);
+ ActivityStack stack = srec.stack;
+ final int start = stack.indexOfActivityLocked(srec);
if (start < 0) {
// Current activity is not in history stack; do nothing.
return false;
@@ -12596,13 +12383,13 @@
if (dest != null) {
TaskRecord tr = srec.task;
for (int i = start - 1; i >= 0; i--) {
- ActivityRecord r = history.get(i);
+ ActivityRecord r = stack.getActivityAtIndex(i);
if (tr != r.task) {
// Couldn't find parent in the same task; stop at the one above this.
// (Root of current task; in-app "home" behavior)
// Always at least finish the current activity.
finishTo = Math.min(start - 1, i + 1);
- parent = history.get(finishTo);
+ parent = stack.getActivityAtIndex(finishTo);
break;
} else if (r.info.packageName.equals(dest.getPackageName()) &&
r.info.name.equals(dest.getClassName())) {
@@ -12632,7 +12419,7 @@
}
final long origId = Binder.clearCallingIdentity();
for (int i = start; i > finishTo; i--) {
- ActivityRecord r = history.get(i);
+ ActivityRecord r = stack.getActivityAtIndex(i);
mMainStack.requestFinishActivityLocked(r.appToken, resultCode, resultData,
"navigate-up", true);
// Only return the supplied result for the first activity finished
diff --git a/services/java/com/android/server/am/ActivityStack.java b/services/java/com/android/server/am/ActivityStack.java
index e164d0e..d969709 100644
--- a/services/java/com/android/server/am/ActivityStack.java
+++ b/services/java/com/android/server/am/ActivityStack.java
@@ -21,8 +21,8 @@
import com.android.internal.app.HeavyWeightSwitcherActivity;
import com.android.internal.os.BatteryStatsImpl;
+import com.android.server.am.ActivityManagerService.ItemMatcher;
import com.android.server.am.ActivityManagerService.PendingActivityLaunch;
-import com.android.server.am.ActivityRecord.Token;
import com.android.server.wm.AppTransition;
import android.app.Activity;
@@ -30,10 +30,12 @@
import android.app.ActivityOptions;
import android.app.AppGlobals;
import android.app.IActivityManager;
+import android.app.IThumbnailReceiver;
import android.app.IThumbnailRetriever;
import android.app.IApplicationThread;
import android.app.PendingIntent;
import android.app.ResultInfo;
+import android.app.ActivityManager.RunningTaskInfo;
import android.app.IActivityManager.WaitResult;
import android.content.ComponentName;
import android.content.Context;
@@ -64,7 +66,9 @@
import android.util.Slog;
import android.view.Display;
+import java.io.FileDescriptor;
import java.io.IOException;
+import java.io.PrintWriter;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.Iterator;
@@ -151,9 +155,9 @@
/**
* The back history of all previous (and possibly still
- * running) activities. It contains HistoryRecord objects.
+ * running) activities. It contains #ActivityRecord objects.
*/
- final ArrayList<ActivityRecord> mHistory = new ArrayList<ActivityRecord>();
+ private final ArrayList<ActivityRecord> mHistory = new ArrayList<ActivityRecord>();
/**
* Used for validating app tokens with window manager.
@@ -290,6 +294,12 @@
private ActivityRecord mLastScreenshotActivity = null;
private Bitmap mLastScreenshotBitmap = null;
+ /**
+ * List of ActivityRecord objects that have been finished and must
+ * still report back to a pending thumbnail receiver.
+ */
+ private final ArrayList<ActivityRecord> mCancelledThumbnails = new ArrayList<ActivityRecord>();
+
int mThumbnailWidth = -1;
int mThumbnailHeight = -1;
@@ -507,6 +517,31 @@
return null;
}
+ // TODO: This exposes mHistory too much, replace usage with ActivityStack methods.
+ final ActivityRecord getActivityAtIndex(int index) {
+ if (index >= 0 && index < mHistory.size()) {
+ return mHistory.get(index);
+ }
+ return null;
+ }
+
+ int getTaskForActivityLocked(IBinder token, boolean onlyRoot) {
+ TaskRecord lastTask = null;
+ final int N = mHistory.size();
+ for (int i = 0; i < N; i++) {
+ ActivityRecord r = mHistory.get(i);
+ if (r.appToken == token) {
+ if (!onlyRoot || lastTask != r.task) {
+ return r.task.taskId;
+ }
+ return -1;
+ }
+ lastTask = r.task;
+ }
+
+ return -1;
+ }
+
private final boolean updateLRUListLocked(ActivityRecord r) {
final boolean hadit = mLRUActivities.remove(r);
mLRUActivities.add(r);
@@ -3589,9 +3624,9 @@
finishes = new ArrayList<ActivityRecord>(mFinishingActivities);
mFinishingActivities.clear();
}
- if ((NT=mService.mCancelledThumbnails.size()) > 0) {
- thumbnails = new ArrayList<ActivityRecord>(mService.mCancelledThumbnails);
- mService.mCancelledThumbnails.clear();
+ if ((NT=mCancelledThumbnails.size()) > 0) {
+ thumbnails = new ArrayList<ActivityRecord>(mCancelledThumbnails);
+ mCancelledThumbnails.clear();
}
if (mMainStack) {
@@ -3814,7 +3849,7 @@
// There are clients waiting to receive thumbnails so, in case
// this is an activity that someone is waiting for, add it
// to the pending list so we can correctly update the clients.
- mService.mCancelledThumbnails.add(r);
+ mCancelledThumbnails.add(r);
}
if (immediate) {
@@ -3974,7 +4009,7 @@
// There are clients waiting to receive thumbnails so, in case
// this is an activity that someone is waiting for, add it
// to the pending list so we can correctly update the clients.
- mService.mCancelledThumbnails.add(r);
+ mCancelledThumbnails.add(r);
}
// Get rid of any pending idle timeouts.
@@ -4322,6 +4357,25 @@
mService.mWindowManager.prepareAppTransition(transit, false);
}
+ final boolean findTaskToMoveToFrontLocked(int taskId, int flags, Bundle options) {
+ for (int i = mHistory.size() - 1; i >= 0; i--) {
+ ActivityRecord hr = mHistory.get(i);
+ if (hr.task.taskId == taskId) {
+ if ((flags & ActivityManager.MOVE_TASK_NO_USER_ACTION) == 0) {
+ mUserLeaving = true;
+ }
+ if ((flags & ActivityManager.MOVE_TASK_WITH_HOME) != 0) {
+ // Caller wants the home activity moved with it. To accomplish this,
+ // we'll just move the home task to the top first.
+ moveHomeToFrontLocked();
+ }
+ moveTaskToFrontLocked(hr.task, null, options);
+ return true;
+ }
+ }
+ return false;
+ }
+
final void moveTaskToFrontLocked(TaskRecord tr, ActivityRecord reason, Bundle options) {
if (DEBUG_SWITCH) Slog.v(TAG, "moveTaskToFront: " + tr);
@@ -4787,4 +4841,204 @@
public void dismissKeyguardOnNextActivityLocked() {
mDismissKeyguardOnNextActivity = true;
}
+
+ boolean willActivityBeVisibleLocked(IBinder token) {
+ int i;
+ for (i = mHistory.size() - 1; i >= 0; i--) {
+ ActivityRecord r = mHistory.get(i);
+ if (r.appToken == token) {
+ return true;
+ }
+ if (r.fullscreen && !r.finishing) {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ void closeSystemDialogsLocked() {
+ for (int i = mHistory.size() - 1; i >= 0; i--) {
+ ActivityRecord r = mHistory.get(i);
+ if ((r.info.flags&ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS) != 0) {
+ r.stack.finishActivityLocked(r, i,
+ Activity.RESULT_CANCELED, null, "close-sys", true);
+ }
+ }
+ }
+
+ boolean forceStopPackageLocked(String name, boolean doit, boolean evenPersistent, int userId) {
+ boolean didSomething = false;
+ TaskRecord lastTask = null;
+ final int N = mHistory.size();
+ for (int i = 0; i < N; i++) {
+ ActivityRecord r = mHistory.get(i);
+ final boolean samePackage = r.packageName.equals(name)
+ || (name == null && r.userId == userId);
+ if ((userId == UserHandle.USER_ALL || r.userId == userId)
+ && (samePackage || r.task == lastTask)
+ && (r.app == null || evenPersistent || !r.app.persistent)) {
+ if (!doit) {
+ if (r.finishing) {
+ // If this activity is just finishing, then it is not
+ // interesting as far as something to stop.
+ continue;
+ }
+ return true;
+ }
+ didSomething = true;
+ Slog.i(TAG, " Force finishing activity " + r);
+ if (samePackage) {
+ if (r.app != null) {
+ r.app.removed = true;
+ }
+ r.app = null;
+ }
+ lastTask = r.task;
+ if (r.stack.finishActivityLocked(r, i, Activity.RESULT_CANCELED,
+ null, "force-stop", true)) {
+ i--;
+ }
+ }
+ }
+ return didSomething;
+ }
+
+ ActivityRecord getTasksLocked(int maxNum, IThumbnailReceiver receiver,
+ PendingThumbnailsRecord pending, List<RunningTaskInfo> list) {
+ ActivityRecord topRecord = null;
+ int pos = mHistory.size() - 1;
+ ActivityRecord next = pos >= 0 ? mHistory.get(pos) : null;
+ ActivityRecord top = null;
+ TaskRecord curTask = null;
+ int numActivities = 0;
+ int numRunning = 0;
+ while (pos >= 0 && maxNum > 0) {
+ final ActivityRecord r = next;
+ pos--;
+ next = pos >= 0 ? mHistory.get(pos) : null;
+
+ // Initialize state for next task if needed.
+ if (top == null || (top.state == ActivityState.INITIALIZING && top.task == r.task)) {
+ top = r;
+ curTask = r.task;
+ numActivities = numRunning = 0;
+ }
+
+ // Add 'r' into the current task.
+ numActivities++;
+ if (r.app != null && r.app.thread != null) {
+ numRunning++;
+ }
+
+ if (localLOGV) Slog.v(
+ TAG, r.intent.getComponent().flattenToShortString()
+ + ": task=" + r.task);
+
+ // If the next one is a different task, generate a new
+ // TaskInfo entry for what we have.
+ if (next == null || next.task != curTask) {
+ RunningTaskInfo ci = new RunningTaskInfo();
+ ci.id = curTask.taskId;
+ ci.baseActivity = r.intent.getComponent();
+ ci.topActivity = top.intent.getComponent();
+ if (top.thumbHolder != null) {
+ ci.description = top.thumbHolder.lastDescription;
+ }
+ ci.numActivities = numActivities;
+ ci.numRunning = numRunning;
+ //System.out.println(
+ // "#" + maxNum + ": " + " descr=" + ci.description);
+ if (receiver != null) {
+ if (localLOGV) Slog.v(
+ TAG, "State=" + top.state + "Idle=" + top.idle
+ + " app=" + top.app
+ + " thr=" + (top.app != null ? top.app.thread : null));
+ if (top.state == ActivityState.RESUMED || top.state == ActivityState.PAUSING) {
+ if (top.idle && top.app != null && top.app.thread != null) {
+ topRecord = top;
+ } else {
+ top.thumbnailNeeded = true;
+ }
+ }
+ pending.pendingRecords.add(top);
+ }
+ list.add(ci);
+ maxNum--;
+ top = null;
+ }
+ }
+ return topRecord;
+ }
+
+ public void unhandledBackLocked() {
+ int top = mHistory.size() - 1;
+ if (DEBUG_SWITCH) Slog.d(
+ TAG, "Performing unhandledBack(): top activity at " + top);
+ if (top > 0) {
+ finishActivityLocked(mHistory.get(top),
+ top, Activity.RESULT_CANCELED, null, "unhandled-back", true);
+ }
+ }
+
+ void handleAppCrashLocked(ProcessRecord app) {
+ for (int i = mHistory.size() - 1; i >= 0; i--) {
+ ActivityRecord r = mHistory.get(i);
+ if (r.app == app) {
+ Slog.w(TAG, " Force finishing activity "
+ + r.intent.getComponent().flattenToShortString());
+ r.stack.finishActivityLocked(r, i, Activity.RESULT_CANCELED,
+ null, "crashed", false);
+ }
+ }
+ }
+
+ void dumpActivitiesLocked(FileDescriptor fd, PrintWriter pw, boolean dumpAll,
+ boolean dumpClient, String dumpPackage) {
+ ActivityManagerService.dumpHistoryList(fd, pw, mHistory, " ", "Hist", true, !dumpAll,
+ dumpClient, dumpPackage);
+ }
+
+ ArrayList<ActivityRecord> getDumpActivitiesLocked(String name) {
+ ArrayList<ActivityRecord> activities = new ArrayList<ActivityRecord>();
+
+ if ("all".equals(name)) {
+ for (ActivityRecord r1 : mHistory) {
+ activities.add(r1);
+ }
+ } else if ("top".equals(name)) {
+ final int N = mHistory.size();
+ if (N > 0) {
+ activities.add(mHistory.get(N-1));
+ }
+ } else {
+ ItemMatcher matcher = new ItemMatcher();
+ matcher.build(name);
+
+ for (ActivityRecord r1 : mHistory) {
+ if (matcher.match(r1, r1.intent.getComponent())) {
+ activities.add(r1);
+ }
+ }
+ }
+
+ return activities;
+ }
+
+ ActivityRecord restartPackage(String packageName) {
+ ActivityRecord starting = topRunningActivityLocked(null);
+
+ // All activities that came from the package must be
+ // restarted as if there was a config change.
+ for (int i = mHistory.size() - 1; i >= 0; i--) {
+ ActivityRecord a = mHistory.get(i);
+ if (a.info.packageName.equals(packageName)) {
+ a.forceNewConfig = true;
+ if (starting != null && a == starting && a.visible) {
+ a.startFreezingScreenLocked(starting.app, ActivityInfo.CONFIG_SCREEN_LAYOUT);
+ }
+ }
+ }
+
+ return starting;
+ }
}
diff --git a/services/java/com/android/server/am/CompatModePackages.java b/services/java/com/android/server/am/CompatModePackages.java
index 3a6492e..863bdad 100644
--- a/services/java/com/android/server/am/CompatModePackages.java
+++ b/services/java/com/android/server/am/CompatModePackages.java
@@ -295,20 +295,8 @@
Message msg = mHandler.obtainMessage(MSG_WRITE);
mHandler.sendMessageDelayed(msg, 10000);
- ActivityRecord starting = mService.mMainStack.topRunningActivityLocked(null);
-
- // All activities that came from the package must be
- // restarted as if there was a config change.
- for (int i=mService.mMainStack.mHistory.size()-1; i>=0; i--) {
- ActivityRecord a = (ActivityRecord)mService.mMainStack.mHistory.get(i);
- if (a.info.packageName.equals(packageName)) {
- a.forceNewConfig = true;
- if (starting != null && a == starting && a.visible) {
- a.startFreezingScreenLocked(starting.app,
- ActivityInfo.CONFIG_SCREEN_LAYOUT);
- }
- }
- }
+
+ ActivityRecord starting = mService.mMainStack.restartPackage(packageName);
// Tell all processes that loaded this package about the change.
for (int i=mService.mLruProcesses.size()-1; i>=0; i--) {
diff --git a/services/java/com/android/server/am/PendingThumbnailsRecord.java b/services/java/com/android/server/am/PendingThumbnailsRecord.java
index ed478c9..c460791 100644
--- a/services/java/com/android/server/am/PendingThumbnailsRecord.java
+++ b/services/java/com/android/server/am/PendingThumbnailsRecord.java
@@ -27,13 +27,13 @@
class PendingThumbnailsRecord
{
final IThumbnailReceiver receiver; // who is waiting.
- HashSet pendingRecords; // HistoryRecord objects we still wait for.
+ final HashSet<ActivityRecord> pendingRecords; // HistoryRecord objects we still wait for.
boolean finished; // Is pendingRecords empty?
PendingThumbnailsRecord(IThumbnailReceiver _receiver)
{
receiver = _receiver;
- pendingRecords = new HashSet();
+ pendingRecords = new HashSet<ActivityRecord>();
finished = false;
}
}