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-rw-r--r--api/current.xml59
-rw-r--r--core/java/android/app/ActivityManager.java43
-rw-r--r--core/java/android/app/ActivityManagerNative.java29
-rw-r--r--core/java/android/app/FragmentBreadCrumbs.java44
-rw-r--r--core/java/android/app/IActivityManager.java3
-rw-r--r--packages/SystemUI/src/com/android/systemui/statusbar/tablet/RecentAppsPanel.java5
-rw-r--r--services/java/com/android/server/am/ActivityManagerService.java40
7 files changed, 185 insertions, 38 deletions
diff --git a/api/current.xml b/api/current.xml
index 1ce49d4..2c72290 100644
--- a/api/current.xml
+++ b/api/current.xml
@@ -25064,6 +25064,17 @@
<parameter name="packageName" type="java.lang.String">
</parameter>
</method>
+<field name="MOVE_TASK_NO_USER_ACTION"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="2"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
<field name="MOVE_TASK_WITH_HOME"
type="int"
transient="false"
@@ -25495,6 +25506,16 @@
visibility="public"
>
</field>
+<field name="persistentId"
+ type="int"
+ transient="false"
+ volatile="false"
+ static="false"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
</class>
<class name="ActivityManager.RunningAppProcessInfo"
extends="java.lang.Object"
@@ -30692,6 +30713,19 @@
<parameter name="visibleCrumbs" type="int">
</parameter>
</method>
+<method name="setOnBreadCrumbClickListener"
+ return="void"
+ abstract="false"
+ native="false"
+ synchronized="false"
+ static="false"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+<parameter name="listener" type="android.app.FragmentBreadCrumbs.OnBreadCrumbClickListener">
+</parameter>
+</method>
<method name="setParentTitle"
return="void"
abstract="false"
@@ -30725,6 +30759,29 @@
</parameter>
</method>
</class>
+<interface name="FragmentBreadCrumbs.OnBreadCrumbClickListener"
+ abstract="true"
+ static="true"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+<method name="onBreadCrumbClick"
+ return="boolean"
+ abstract="true"
+ native="false"
+ synchronized="false"
+ static="false"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+<parameter name="backStack" type="android.app.FragmentManager.BackStackEntry">
+</parameter>
+<parameter name="flags" type="int">
+</parameter>
+</method>
+</interface>
<class name="FragmentManager"
extends="java.lang.Object"
abstract="true"
@@ -265799,7 +265856,7 @@
deprecated="not deprecated"
visibility="public"
>
-<parameter name="t" type="T">
+<parameter name="arg0" type="T">
</parameter>
</method>
</interface>
diff --git a/core/java/android/app/ActivityManager.java b/core/java/android/app/ActivityManager.java
index d76b67d..a660076 100644
--- a/core/java/android/app/ActivityManager.java
+++ b/core/java/android/app/ActivityManager.java
@@ -112,6 +112,11 @@ public class ActivityManager {
public int id;
/**
+ * The true identifier of this task, valid even if it is not running.
+ */
+ public int persistentId;
+
+ /**
* The original Intent used to launch the task. You can use this
* Intent to re-launch the task (if it is no longer running) or bring
* the current task to the front.
@@ -127,14 +132,6 @@ public class ActivityManager {
public ComponentName origActivity;
/**
- * Thumbnail representation of the task's last state. Must
- * use {@link ActivityManager#TASKS_GET_THUMBNAILS} to have this set.
- * @hide -- this is not scalable, need to have a separate API to get
- * the bitmap.
- */
- public Bitmap thumbnail;
-
- /**
* Description of the task's last state.
*/
public CharSequence description;
@@ -148,6 +145,7 @@ public class ActivityManager {
public void writeToParcel(Parcel dest, int flags) {
dest.writeInt(id);
+ dest.writeInt(persistentId);
if (baseIntent != null) {
dest.writeInt(1);
baseIntent.writeToParcel(dest, 0);
@@ -155,29 +153,19 @@ public class ActivityManager {
dest.writeInt(0);
}
ComponentName.writeToParcel(origActivity, dest);
- if (thumbnail != null) {
- dest.writeInt(1);
- thumbnail.writeToParcel(dest, 0);
- } else {
- dest.writeInt(0);
- }
TextUtils.writeToParcel(description, dest,
Parcelable.PARCELABLE_WRITE_RETURN_VALUE);
}
public void readFromParcel(Parcel source) {
id = source.readInt();
+ persistentId = source.readInt();
if (source.readInt() != 0) {
baseIntent = Intent.CREATOR.createFromParcel(source);
} else {
baseIntent = null;
}
origActivity = ComponentName.readFromParcel(source);
- if (source.readInt() != 0) {
- thumbnail = Bitmap.CREATOR.createFromParcel(source);
- } else {
- thumbnail = null;
- }
description = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(source);
}
@@ -401,6 +389,16 @@ public class ActivityManager {
return getRunningTasks(maxNum, 0, null);
}
+ /** @hide */
+ public Bitmap getTaskThumbnail(int id) throws SecurityException {
+ try {
+ return ActivityManagerNative.getDefault().getTaskThumbnail(id);
+ } catch (RemoteException e) {
+ // System dead, we will be dead too soon!
+ return null;
+ }
+ }
+
/**
* Flag for {@link #moveTaskToFront(int, int)}: also move the "home"
* activity along with the task, so it is positioned immediately behind
@@ -409,6 +407,13 @@ public class ActivityManager {
public static final int MOVE_TASK_WITH_HOME = 0x00000001;
/**
+ * Flag for {@link #moveTaskToFront(int, int)}: don't count this as a
+ * user-instigated action, so the current activity will not receive a
+ * hint that the user is leaving.
+ */
+ public static final int MOVE_TASK_NO_USER_ACTION = 0x00000002;
+
+ /**
* Ask that the task associated with a given task ID be moved to the
* front of the stack, so it is now visible to the user. Requires that
* the caller hold permission {@link android.Manifest.permission#REORDER_TASKS}
diff --git a/core/java/android/app/ActivityManagerNative.java b/core/java/android/app/ActivityManagerNative.java
index c095c06..d3d3792 100644
--- a/core/java/android/app/ActivityManagerNative.java
+++ b/core/java/android/app/ActivityManagerNative.java
@@ -442,6 +442,20 @@ public abstract class ActivityManagerNative extends Binder implements IActivityM
return true;
}
+ case GET_TASK_THUMBNAIL_TRANSACTION: {
+ data.enforceInterface(IActivityManager.descriptor);
+ int id = data.readInt();
+ Bitmap bm = getTaskThumbnail(id);
+ reply.writeNoException();
+ if (bm != null) {
+ reply.writeInt(1);
+ bm.writeToParcel(reply, 0);
+ } else {
+ reply.writeInt(0);
+ }
+ return true;
+ }
+
case GET_SERVICES_TRANSACTION: {
data.enforceInterface(IActivityManager.descriptor);
int maxNum = data.readInt();
@@ -1816,6 +1830,21 @@ class ActivityManagerProxy implements IActivityManager
reply.recycle();
return list;
}
+ public Bitmap getTaskThumbnail(int id) throws RemoteException {
+ Parcel data = Parcel.obtain();
+ Parcel reply = Parcel.obtain();
+ data.writeInterfaceToken(IActivityManager.descriptor);
+ data.writeInt(id);
+ mRemote.transact(GET_TASK_THUMBNAIL_TRANSACTION, data, reply, 0);
+ reply.readException();
+ Bitmap bm = null;
+ if (reply.readInt() != 0) {
+ bm = Bitmap.CREATOR.createFromParcel(reply);
+ }
+ data.recycle();
+ reply.recycle();
+ return bm;
+ }
public List getServices(int maxNum, int flags) throws RemoteException {
Parcel data = Parcel.obtain();
Parcel reply = Parcel.obtain();
diff --git a/core/java/android/app/FragmentBreadCrumbs.java b/core/java/android/app/FragmentBreadCrumbs.java
index 3f045ac..df64035 100644
--- a/core/java/android/app/FragmentBreadCrumbs.java
+++ b/core/java/android/app/FragmentBreadCrumbs.java
@@ -50,6 +50,26 @@ public class FragmentBreadCrumbs extends ViewGroup
/** Listener to inform when a parent entry is clicked */
private OnClickListener mParentClickListener;
+ private OnBreadCrumbClickListener mOnBreadCrumbClickListener;
+
+ /**
+ * Interface to intercept clicks on the bread crumbs.
+ */
+ public interface OnBreadCrumbClickListener {
+ /**
+ * Called when a bread crumb is clicked.
+ *
+ * @param backStack The BackStackEntry whose bread crumb was clicked.
+ * May be null, if this bread crumb is for the root of the back stack.
+ * @param flags Additional information about the entry. Currently
+ * always 0.
+ *
+ * @return Return true to consume this click. Return to false to allow
+ * the default action (popping back stack to this entry) to occur.
+ */
+ public boolean onBreadCrumbClick(BackStackEntry backStack, int flags);
+ }
+
public FragmentBreadCrumbs(Context context) {
this(context, null);
}
@@ -107,6 +127,16 @@ public class FragmentBreadCrumbs extends ViewGroup
updateCrumbs();
}
+ /**
+ * Sets a listener for clicks on the bread crumbs. This will be called before
+ * the default click action is performed.
+ *
+ * @param listener The new listener to set. Replaces any existing listener.
+ */
+ public void setOnBreadCrumbClickListener(OnBreadCrumbClickListener listener) {
+ mOnBreadCrumbClickListener = listener;
+ }
+
private BackStackRecord createBackStackEntry(CharSequence title, CharSequence shortTitle) {
if (title == null) return null;
@@ -266,8 +296,18 @@ public class FragmentBreadCrumbs extends ViewGroup
mParentClickListener.onClick(v);
}
} else {
- mActivity.getFragmentManager().popBackStack(bse.getId(),
- bse == mTopEntry? FragmentManager.POP_BACK_STACK_INCLUSIVE : 0);
+ if (mOnBreadCrumbClickListener != null) {
+ if (mOnBreadCrumbClickListener.onBreadCrumbClick(
+ bse == mTopEntry ? null : bse, 0)) {
+ return;
+ }
+ }
+ if (bse == mTopEntry) {
+ // Pop everything off the back stack.
+ mActivity.getFragmentManager().popBackStack();
+ } else {
+ mActivity.getFragmentManager().popBackStack(bse.getId(), 0);
+ }
}
}
}
diff --git a/core/java/android/app/IActivityManager.java b/core/java/android/app/IActivityManager.java
index 5d4380b..f42e8fb 100644
--- a/core/java/android/app/IActivityManager.java
+++ b/core/java/android/app/IActivityManager.java
@@ -133,6 +133,7 @@ public interface IActivityManager extends IInterface {
IThumbnailReceiver receiver) throws RemoteException;
public List<ActivityManager.RecentTaskInfo> getRecentTasks(int maxNum,
int flags) throws RemoteException;
+ public Bitmap getTaskThumbnail(int taskId) throws RemoteException;
public List getServices(int maxNum, int flags) throws RemoteException;
public List<ActivityManager.ProcessErrorStateInfo> getProcessesInErrorState()
throws RemoteException;
@@ -514,7 +515,7 @@ public interface IActivityManager extends IInterface {
int FORCE_STOP_PACKAGE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+78;
int KILL_PIDS_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+79;
int GET_SERVICES_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+80;
-
+ int GET_TASK_THUMBNAIL_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+81;
int GET_RUNNING_APP_PROCESSES_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+82;
int GET_DEVICE_CONFIGURATION_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+83;
int PEEK_SERVICE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+84;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/tablet/RecentAppsPanel.java b/packages/SystemUI/src/com/android/systemui/statusbar/tablet/RecentAppsPanel.java
index 86c3e75..e0d558f 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/tablet/RecentAppsPanel.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/tablet/RecentAppsPanel.java
@@ -374,8 +374,9 @@ public class RecentAppsPanel extends RelativeLayout implements StatusBarPanel, O
if (title != null && title.length() > 0 && icon != null) {
if (DEBUG) Log.v(TAG, "creating activity desc for id=" + id + ", label=" + title);
ActivityDescription item = new ActivityDescription(
- recentInfo.thumbnail, icon, title,
- recentInfo.description, intent, id, index, info.packageName);
+ am.getTaskThumbnail(recentInfo.persistentId),
+ icon, title, recentInfo.description, intent, id,
+ index, info.packageName);
activityDescriptions.add(item);
++index;
} else {
diff --git a/services/java/com/android/server/am/ActivityManagerService.java b/services/java/com/android/server/am/ActivityManagerService.java
index 9e3b9c6..f3ccd38 100644
--- a/services/java/com/android/server/am/ActivityManagerService.java
+++ b/services/java/com/android/server/am/ActivityManagerService.java
@@ -4969,11 +4969,6 @@ public final class ActivityManagerService extends ActivityManagerNative
enforceCallingPermission(android.Manifest.permission.GET_TASKS,
"getRecentTasks()");
- final boolean canReadFb = (flags&ActivityManager.TASKS_GET_THUMBNAILS) != 0
- && checkCallingPermission(
- android.Manifest.permission.READ_FRAME_BUFFER)
- == PackageManager.PERMISSION_GRANTED;
-
IPackageManager pm = AppGlobals.getPackageManager();
ActivityRecord resumed = mMainStack.mResumedActivity;
@@ -4991,17 +4986,10 @@ public final class ActivityManagerService extends ActivityManagerNative
ActivityManager.RecentTaskInfo rti
= new ActivityManager.RecentTaskInfo();
rti.id = tr.numActivities > 0 ? tr.taskId : -1;
+ rti.persistentId = tr.taskId;
rti.baseIntent = new Intent(
tr.intent != null ? tr.intent : tr.affinityIntent);
rti.origActivity = tr.origActivity;
-
- if (canReadFb) {
- if (resumed != null && resumed.task == tr) {
- rti.thumbnail = resumed.stack.screenshotActivities(resumed);
- } else {
- rti.thumbnail = tr.lastThumbnail;
- }
- }
rti.description = tr.lastDescription;
if ((flags&ActivityManager.RECENT_IGNORE_UNAVAILABLE) != 0) {
@@ -5030,6 +5018,26 @@ public final class ActivityManagerService extends ActivityManagerNative
}
}
+ public Bitmap getTaskThumbnail(int id) {
+ synchronized (this) {
+ enforceCallingPermission(android.Manifest.permission.READ_FRAME_BUFFER,
+ "getTaskThumbnail()");
+ ActivityRecord resumed = mMainStack.mResumedActivity;
+ final int N = mRecentTasks.size();
+ for (int i=0; i<N; i++) {
+ TaskRecord tr = mRecentTasks.get(i);
+ if (tr.taskId == id) {
+ if (resumed != null && resumed.task == tr) {
+ return resumed.stack.screenshotActivities(resumed);
+ } else {
+ return tr.lastThumbnail;
+ }
+ }
+ }
+ }
+ return null;
+ }
+
private final int findAffinityTaskTopLocked(int startIndex, String affinity) {
int j;
TaskRecord startTask = ((ActivityRecord)mMainStack.mHistory.get(startIndex)).task;
@@ -5085,6 +5093,9 @@ public final class ActivityManagerService extends ActivityManagerNative
for (int i=0; i<N; i++) {
TaskRecord tr = mRecentTasks.get(i);
if (tr.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.
@@ -5097,6 +5108,9 @@ public final class ActivityManagerService extends ActivityManagerNative
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.
generated by cgit v1.1 at 2024-07-29 08:34:02 +0000