Rework thumbnail API to not suffer from IPC failures. (d94df45b) · Commits · e / os / android_frameworks_base

api/current.xml

+58 −1

Original line number	Original line	Diff line number	Diff line
	@@ -25064,6 +25064,17 @@
	<parameter name="packageName" type="java.lang.String">		<parameter name="packageName" type="java.lang.String">
	</parameter>		</parameter>
	</method>		</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"		<field name="MOVE_TASK_WITH_HOME"
	type="int"		type="int"
	transient="false"		transient="false"
	@@ -25495,6 +25506,16 @@
	visibility="public"		visibility="public"
	>		>
	</field>		</field>
			<field name="persistentId"
			type="int"
			transient="false"
			volatile="false"
			static="false"
			final="false"
			deprecated="not deprecated"
			visibility="public"
			>
			</field>
	</class>		</class>
	<class name="ActivityManager.RunningAppProcessInfo"		<class name="ActivityManager.RunningAppProcessInfo"
	extends="java.lang.Object"		extends="java.lang.Object"
	@@ -30692,6 +30713,19 @@
	<parameter name="visibleCrumbs" type="int">		<parameter name="visibleCrumbs" type="int">
	</parameter>		</parameter>
	</method>		</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"		<method name="setParentTitle"
	return="void"		return="void"
	abstract="false"		abstract="false"
	@@ -30725,6 +30759,29 @@
	</parameter>		</parameter>
	</method>		</method>
	</class>		</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"		<class name="FragmentManager"
	extends="java.lang.Object"		extends="java.lang.Object"
	abstract="true"		abstract="true"
	@@ -265799,7 +265856,7 @@
	deprecated="not deprecated"		deprecated="not deprecated"
	visibility="public"		visibility="public"
	>		>
	<parameter name="t" type="T">		<parameter name="arg0" type="T">
	</parameter>		</parameter>
	</method>		</method>
	</interface>		</interface>

core/java/android/app/ActivityManager.java

+24 −19

Original line number	Original line	Diff line number	Diff line
	@@ -111,6 +111,11 @@ public class ActivityManager {
	*/		*/
	public int id;		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		* 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		* Intent to re-launch the task (if it is no longer running) or bring
	@@ -126,14 +131,6 @@ public class ActivityManager {
	*/		*/
	public ComponentName origActivity;		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.		* Description of the task's last state.
	*/		*/
	@@ -148,6 +145,7 @@ public class ActivityManager {

	public void writeToParcel(Parcel dest, int flags) {		public void writeToParcel(Parcel dest, int flags) {
	dest.writeInt(id);		dest.writeInt(id);
			dest.writeInt(persistentId);
	if (baseIntent != null) {		if (baseIntent != null) {
	dest.writeInt(1);		dest.writeInt(1);
	baseIntent.writeToParcel(dest, 0);		baseIntent.writeToParcel(dest, 0);
	@@ -155,29 +153,19 @@ public class ActivityManager {
	dest.writeInt(0);		dest.writeInt(0);
	}		}
	ComponentName.writeToParcel(origActivity, dest);		ComponentName.writeToParcel(origActivity, dest);
	if (thumbnail != null) {
	dest.writeInt(1);
	thumbnail.writeToParcel(dest, 0);
	} else {
	dest.writeInt(0);
	}
	TextUtils.writeToParcel(description, dest,		TextUtils.writeToParcel(description, dest,
	Parcelable.PARCELABLE_WRITE_RETURN_VALUE);		Parcelable.PARCELABLE_WRITE_RETURN_VALUE);
	}		}

	public void readFromParcel(Parcel source) {		public void readFromParcel(Parcel source) {
	id = source.readInt();		id = source.readInt();
			persistentId = source.readInt();
	if (source.readInt() != 0) {		if (source.readInt() != 0) {
	baseIntent = Intent.CREATOR.createFromParcel(source);		baseIntent = Intent.CREATOR.createFromParcel(source);
	} else {		} else {
	baseIntent = null;		baseIntent = null;
	}		}
	origActivity = ComponentName.readFromParcel(source);		origActivity = ComponentName.readFromParcel(source);
	if (source.readInt() != 0) {
	thumbnail = Bitmap.CREATOR.createFromParcel(source);
	} else {
	thumbnail = null;
	}
	description = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(source);		description = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(source);
	}		}

	@@ -401,6 +389,16 @@ public class ActivityManager {
	return getRunningTasks(maxNum, 0, null);		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"		* Flag for {@link #moveTaskToFront(int, int)}: also move the "home"
	* activity along with the task, so it is positioned immediately behind		* activity along with the task, so it is positioned immediately behind
	@@ -408,6 +406,13 @@ public class ActivityManager {
	*/		*/
	public static final int MOVE_TASK_WITH_HOME = 0x00000001;		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		* 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		* front of the stack, so it is now visible to the user. Requires that

core/java/android/app/ActivityManagerNative.java

+29 −0

Original line number	Original line	Diff line number	Diff line
	@@ -442,6 +442,20 @@ public abstract class ActivityManagerNative extends Binder implements IActivityM
	return true;		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: {		case GET_SERVICES_TRANSACTION: {
	data.enforceInterface(IActivityManager.descriptor);		data.enforceInterface(IActivityManager.descriptor);
	int maxNum = data.readInt();		int maxNum = data.readInt();
	@@ -1816,6 +1830,21 @@ class ActivityManagerProxy implements IActivityManager
	reply.recycle();		reply.recycle();
	return list;		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 {		public List getServices(int maxNum, int flags) throws RemoteException {
	Parcel data = Parcel.obtain();		Parcel data = Parcel.obtain();
	Parcel reply = Parcel.obtain();		Parcel reply = Parcel.obtain();

core/java/android/app/FragmentBreadCrumbs.java

+42 −2

Original line number	Original line	Diff line number	Diff line
	@@ -50,6 +50,26 @@ public class FragmentBreadCrumbs extends ViewGroup
	/** Listener to inform when a parent entry is clicked */		/** Listener to inform when a parent entry is clicked */
	private OnClickListener mParentClickListener;		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) {		public FragmentBreadCrumbs(Context context) {
	this(context, null);		this(context, null);
	}		}
	@@ -107,6 +127,16 @@ public class FragmentBreadCrumbs extends ViewGroup
	updateCrumbs();		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) {		private BackStackRecord createBackStackEntry(CharSequence title, CharSequence shortTitle) {
	if (title == null) return null;		if (title == null) return null;

	@@ -266,8 +296,18 @@ public class FragmentBreadCrumbs extends ViewGroup
	mParentClickListener.onClick(v);		mParentClickListener.onClick(v);
	}		}
	} else {		} else {
	mActivity.getFragmentManager().popBackStack(bse.getId(),		if (mOnBreadCrumbClickListener != null) {
	bse == mTopEntry? FragmentManager.POP_BACK_STACK_INCLUSIVE : 0);		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);
			}
	}		}
	}		}
	}		}

core/java/android/app/IActivityManager.java

+2 −1