Add exclude() methods to Transition (ff58f92a) · Commits · e / os / android_frameworks_base

api/current.txt

+8 −2

Original line number	Diff line number	Diff line
		@@ -25507,12 +25507,18 @@ package android.transition {
		public abstract class Transition implements java.lang.Cloneable {
		ctor public Transition();
		method public android.transition.Transition addListener(android.transition.Transition.TransitionListener);
		method public android.transition.Transition addTarget(int);
		method public android.transition.Transition addTarget(android.view.View);
		method public android.transition.Transition addTargetId(int);
		method public abstract void captureEndValues(android.transition.TransitionValues);
		method public abstract void captureStartValues(android.transition.TransitionValues);
		method public android.transition.Transition clone();
		method public android.animation.Animator createAnimator(android.view.ViewGroup, android.transition.TransitionValues, android.transition.TransitionValues);
		method public android.transition.Transition excludeChildren(int, boolean);
		method public android.transition.Transition excludeChildren(android.view.View, boolean);
		method public android.transition.Transition excludeChildren(java.lang.Class, boolean);
		method public android.transition.Transition excludeTarget(int, boolean);
		method public android.transition.Transition excludeTarget(android.view.View, boolean);
		method public android.transition.Transition excludeTarget(java.lang.Class, boolean);
		method public long getDuration();
		method public android.animation.TimeInterpolator getInterpolator();
		method public java.lang.String getName();
		@@ -25522,8 +25528,8 @@ package android.transition {
		method public java.lang.String[] getTransitionProperties();
		method public android.transition.TransitionValues getTransitionValues(android.view.View, boolean);
		method public android.transition.Transition removeListener(android.transition.Transition.TransitionListener);
		method public android.transition.Transition removeTarget(int);
		method public android.transition.Transition removeTarget(android.view.View);
		method public android.transition.Transition removeTargetId(int);
		method public android.transition.Transition setDuration(long);
		method public android.transition.Transition setInterpolator(android.animation.TimeInterpolator);
		method public android.transition.Transition setStartDelay(long);

core/java/android/transition/Transition.java

+317 −14

Original line number	Diff line number	Diff line
		@@ -29,6 +29,7 @@ import android.view.View;
		import android.view.ViewGroup;
		import android.view.ViewOverlay;
		import android.widget.ListView;
		import android.widget.Spinner;

		import java.util.ArrayList;
		import java.util.List;
		@@ -100,6 +101,12 @@ public abstract class Transition implements Cloneable {
		TimeInterpolator mInterpolator = null;
		ArrayList<Integer> mTargetIds = new ArrayList<Integer>();
		ArrayList<View> mTargets = new ArrayList<View>();
		ArrayList<Integer> mTargetIdExcludes = null;
		ArrayList<View> mTargetExcludes = null;
		ArrayList<Class> mTargetTypeExcludes = null;
		ArrayList<Integer> mTargetIdChildExcludes = null;
		ArrayList<View> mTargetChildExcludes = null;
		ArrayList<Class> mTargetTypeChildExcludes = null;
		private TransitionValuesMaps mStartValues = new TransitionValuesMaps();
		private TransitionValuesMaps mEndValues = new TransitionValuesMaps();
		TransitionSet mParent = null;
		@@ -430,10 +437,8 @@ public abstract class Transition implements Cloneable {
		Log.d(LOG_TAG, " differing start/end values for view " +
		view);
		if (start == null \|\| end == null) {
		if (start == null) {
		Log.d(LOG_TAG, " " + ((start == null) ?
		"start null, end non-null" : "start non-null, end null"));
		}
		} else {
		for (String key : start.values.keySet()) {
		Object startValue = start.values.get(key);
		@@ -504,6 +509,21 @@ public abstract class Transition implements Cloneable {
		* views are ignored and only the ids are used).
		*/
		boolean isValidTarget(View target, long targetId) {
		if (mTargetIdExcludes != null && mTargetIdExcludes.contains(targetId)) {
		return false;
		}
		if (mTargetExcludes != null && mTargetExcludes.contains(target)) {
		return false;
		}
		if (mTargetTypeExcludes != null && target != null) {
		int numTypes = mTargetTypeExcludes.size();
		for (int i = 0; i < numTypes; ++i) {
		Class type = mTargetTypeExcludes.get(i);
		if (type.isInstance(target)) {
		return false;
		}
		}
		}
		if (mTargetIds.size() == 0 && mTargets.size() == 0) {
		return true;
		}
		@@ -652,9 +672,9 @@ public abstract class Transition implements Cloneable {
		* @return The Transition to which the targetId is added.
		* Returning the same object makes it easier to chain calls during
		* construction, such as
		* <code>transitionSet.addTransitions(new Fade()).addTargetId(someId);</code>
		* <code>transitionSet.addTransitions(new Fade()).addTarget(someId);</code>
		*/
		public Transition addTargetId(int targetId) {
		public Transition addTarget(int targetId) {
		if (targetId > 0) {
		mTargetIds.add(targetId);
		}
		@@ -671,13 +691,219 @@ public abstract class Transition implements Cloneable {
		* construction, such as
		* <code>transitionSet.addTransitions(new Fade()).removeTargetId(someId);</code>
		*/
		public Transition removeTargetId(int targetId) {
		public Transition removeTarget(int targetId) {
		if (targetId > 0) {
		mTargetIds.remove(targetId);
		}
		return this;
		}

		/**
		* Whether to add the given id to the list of target ids to exclude from this
		* transition. The <code>exclude</code> parameter specifies whether the target
		* should be added to or removed from the excluded list.
		*
		* <p>Excluding targets is a general mechanism for allowing transitions to run on
		* a view hierarchy while skipping target views that should not be part of
		* the transition. For example, you may want to avoid animating children
		* of a specific ListView or Spinner. Views can be excluded either by their
		* id, or by their instance reference, or by the Class of that view
		* (eg, {@link Spinner}).</p>
		*
		* @see #excludeChildren(int, boolean)
		* @see #excludeTarget(View, boolean)
		* @see #excludeTarget(Class, boolean)
		*
		* @param targetId The id of a target to ignore when running this transition.
		* @param exclude Whether to add the target to or remove the target from the
		* current list of excluded targets.
		* @return This transition object.
		*/
		public Transition excludeTarget(int targetId, boolean exclude) {
		mTargetIdExcludes = excludeId(mTargetIdExcludes, targetId, exclude);
		return this;
		}

		/**
		* Whether to add the children of the given id to the list of targets to exclude
		* from this transition. The <code>exclude</code> parameter specifies whether
		* the children of the target should be added to or removed from the excluded list.
		* Excluding children in this way provides a simple mechanism for excluding all
		* children of specific targets, rather than individually excluding each
		* child individually.
		*
		* <p>Excluding targets is a general mechanism for allowing transitions to run on
		* a view hierarchy while skipping target views that should not be part of
		* the transition. For example, you may want to avoid animating children
		* of a specific ListView or Spinner. Views can be excluded either by their
		* id, or by their instance reference, or by the Class of that view
		* (eg, {@link Spinner}).</p>
		*
		* @see #excludeTarget(int, boolean)
		* @see #excludeChildren(View, boolean)
		* @see #excludeChildren(Class, boolean)
		*
		* @param targetId The id of a target whose children should be ignored when running
		* this transition.
		* @param exclude Whether to add the target to or remove the target from the
		* current list of excluded-child targets.
		* @return This transition object.
		*/
		public Transition excludeChildren(int targetId, boolean exclude) {
		mTargetIdChildExcludes = excludeId(mTargetIdChildExcludes, targetId, exclude);
		return this;
		}

		/**
		* Utility method to manage the boilerplate code that is the same whether we
		* are excluding targets or their children.
		*/
		private ArrayList<Integer> excludeId(ArrayList<Integer> list, int targetId, boolean exclude) {
		if (targetId > 0) {
		if (exclude) {
		list = ArrayListManager.add(list, targetId);
		} else {
		list = ArrayListManager.remove(list, targetId);
		}
		}
		return list;
		}

		/**
		* Whether to add the given target to the list of targets to exclude from this
		* transition. The <code>exclude</code> parameter specifies whether the target
		* should be added to or removed from the excluded list.
		*
		* <p>Excluding targets is a general mechanism for allowing transitions to run on
		* a view hierarchy while skipping target views that should not be part of
		* the transition. For example, you may want to avoid animating children
		* of a specific ListView or Spinner. Views can be excluded either by their
		* id, or by their instance reference, or by the Class of that view
		* (eg, {@link Spinner}).</p>
		*
		* @see #excludeChildren(View, boolean)
		* @see #excludeTarget(int, boolean)
		* @see #excludeTarget(Class, boolean)
		*
		* @param target The target to ignore when running this transition.
		* @param exclude Whether to add the target to or remove the target from the
		* current list of excluded targets.
		* @return This transition object.
		*/
		public Transition excludeTarget(View target, boolean exclude) {
		mTargetExcludes = excludeView(mTargetExcludes, target, exclude);
		return this;
		}

		/**
		* Whether to add the children of given target to the list of target children
		* to exclude from this transition. The <code>exclude</code> parameter specifies
		* whether the target should be added to or removed from the excluded list.
		*
		* <p>Excluding targets is a general mechanism for allowing transitions to run on
		* a view hierarchy while skipping target views that should not be part of
		* the transition. For example, you may want to avoid animating children
		* of a specific ListView or Spinner. Views can be excluded either by their
		* id, or by their instance reference, or by the Class of that view
		* (eg, {@link Spinner}).</p>
		*
		* @see #excludeTarget(View, boolean)
		* @see #excludeChildren(int, boolean)
		* @see #excludeChildren(Class, boolean)
		*
		* @param target The target to ignore when running this transition.
		* @param exclude Whether to add the target to or remove the target from the
		* current list of excluded targets.
		* @return This transition object.
		*/
		public Transition excludeChildren(View target, boolean exclude) {
		mTargetChildExcludes = excludeView(mTargetChildExcludes, target, exclude);
		return this;
		}

		/**
		* Utility method to manage the boilerplate code that is the same whether we
		* are excluding targets or their children.
		*/
		private ArrayList<View> excludeView(ArrayList<View> list, View target, boolean exclude) {
		if (target != null) {
		if (exclude) {
		list = ArrayListManager.add(list, target);
		} else {
		list = ArrayListManager.remove(list, target);
		}
		}
		return list;
		}

		/**
		* Whether to add the given type to the list of types to exclude from this
		* transition. The <code>exclude</code> parameter specifies whether the target
		* type should be added to or removed from the excluded list.
		*
		* <p>Excluding targets is a general mechanism for allowing transitions to run on
		* a view hierarchy while skipping target views that should not be part of
		* the transition. For example, you may want to avoid animating children
		* of a specific ListView or Spinner. Views can be excluded either by their
		* id, or by their instance reference, or by the Class of that view
		* (eg, {@link Spinner}).</p>
		*
		* @see #excludeChildren(Class, boolean)
		* @see #excludeTarget(int, boolean)
		* @see #excludeTarget(View, boolean)
		*
		* @param type The type to ignore when running this transition.
		* @param exclude Whether to add the target type to or remove it from the
		* current list of excluded target types.
		* @return This transition object.
		*/
		public Transition excludeTarget(Class type, boolean exclude) {
		mTargetTypeExcludes = excludeType(mTargetTypeExcludes, type, exclude);
		return this;
		}

		/**
		* Whether to add the given type to the list of types whose children should
		* be excluded from this transition. The <code>exclude</code> parameter
		* specifies whether the target type should be added to or removed from
		* the excluded list.
		*
		* <p>Excluding targets is a general mechanism for allowing transitions to run on
		* a view hierarchy while skipping target views that should not be part of
		* the transition. For example, you may want to avoid animating children
		* of a specific ListView or Spinner. Views can be excluded either by their
		* id, or by their instance reference, or by the Class of that view
		* (eg, {@link Spinner}).</p>
		*
		* @see #excludeTarget(Class, boolean)
		* @see #excludeChildren(int, boolean)
		* @see #excludeChildren(View, boolean)
		*
		* @param type The type to ignore when running this transition.
		* @param exclude Whether to add the target type to or remove it from the
		* current list of excluded target types.
		* @return This transition object.
		*/
		public Transition excludeChildren(Class type, boolean exclude) {
		mTargetTypeChildExcludes = excludeType(mTargetTypeChildExcludes, type, exclude);
		return this;
		}

		/**
		* Utility method to manage the boilerplate code that is the same whether we
		* are excluding targets or their children.
		*/
		private ArrayList<Class> excludeType(ArrayList<Class> list, Class type, boolean exclude) {
		if (type != null) {
		if (exclude) {
		list = ArrayListManager.add(list, type);
		} else {
		list = ArrayListManager.remove(list, type);
		}
		}
		return list;
		}

		/**
		* Sets the target view instances that this Transition is interested in
		* animating. By default, there are no targets, and a Transition will
		@@ -686,18 +912,18 @@ public abstract class Transition implements Cloneable {
		* the Transition to only listen for, and act on, these views.
		* All other views will be ignored.
		*
		* <p>The target list is like the {@link #addTargetId(int) targetId}
		* <p>The target list is like the {@link #addTarget(int) targetId}
		* list except this list specifies the actual View instances, not the ids
		* of the views. This is an important distinction when scene changes involve
		* view hierarchies which have been inflated separately; different views may
		* share the same id but not actually be the same instance. If the transition
		* should treat those views as the same, then {@link #addTargetId(int)} should be used
		* should treat those views as the same, then {@link #addTarget(int)} should be used
		* instead of {@link #addTarget(View)}. If, on the other hand, scene changes involve
		* changes all within the same view hierarchy, among views which do not
		* necessarily have ids set on them, then the target list of views may be more
		* convenient.</p>
		*
		* @see #addTargetId(int)
		* @see #addTarget(int)
		* @param target A View on which the Transition will act, must be non-null.
		* @return The Transition to which the target is added.
		* Returning the same object makes it easier to chain calls during
		@@ -842,15 +1068,30 @@ public abstract class Transition implements Cloneable {
		// ignore listview children unless we can track them with stable IDs
		return;
		}
		long id;
		int id = View.NO_ID;
		long itemId = View.NO_ID;
		if (!isListViewItem) {
		id = view.getId();
		} else {
		ListView listview = (ListView) view.getParent();
		int position = listview.getPositionForView(view);
		id = listview.getItemIdAtPosition(position);
		itemId = listview.getItemIdAtPosition(position);
		view.setHasTransientState(true);
		}
		if (mTargetIdExcludes != null && mTargetIdExcludes.contains(id)) {
		return;
		}
		if (mTargetExcludes != null && mTargetExcludes.contains(view)) {
		return;
		}
		if (mTargetTypeExcludes != null && view != null) {
		int numTypes = mTargetTypeExcludes.size();
		for (int i = 0; i < numTypes; ++i) {
		if (mTargetTypeExcludes.get(i).isInstance(view)) {
		return;
		}
		}
		}
		TransitionValues values = new TransitionValues();
		values.view = view;
		captureStartValues(values);
		@@ -861,7 +1102,7 @@ public abstract class Transition implements Cloneable {
		mStartValues.idValues.put((int) id, values);
		}
		} else {
		mStartValues.itemIdValues.put(id, values);
		mStartValues.itemIdValues.put(itemId, values);
		}
		} else {
		if (!isListViewItem) {
		@@ -870,10 +1111,25 @@ public abstract class Transition implements Cloneable {
		mEndValues.idValues.put((int) id, values);
		}
		} else {
		mEndValues.itemIdValues.put(id, values);
		mEndValues.itemIdValues.put(itemId, values);
		}
		}
		if (view instanceof ViewGroup) {
		// Don't traverse child hierarchy if there are any child-excludes on this view
		if (mTargetIdChildExcludes != null && mTargetIdChildExcludes.contains(id)) {
		return;
		}
		if (mTargetChildExcludes != null && mTargetChildExcludes.contains(view)) {
		return;
		}
		if (mTargetTypeChildExcludes != null && view != null) {
		int numTypes = mTargetTypeChildExcludes.size();
		for (int i = 0; i < numTypes; ++i) {
		if (mTargetTypeChildExcludes.get(i).isInstance(view)) {
		return;
		}
		}
		}
		ViewGroup parent = (ViewGroup) view;
		for (int i = 0; i < parent.getChildCount(); ++i) {
		captureHierarchy(parent.getChildAt(i), start);
		@@ -1356,4 +1612,51 @@ public abstract class Transition implements Cloneable {
		this.values = values;
		}
		}

		/**
		* Utility class for managing typed ArrayLists efficiently. In particular, this
		* can be useful for lists that we don't expect to be used often (eg, the exclude
		* lists), so we'd like to keep them nulled out by default. This causes the code to
		* become tedious, with constant null checks, code to allocate when necessary,
		* and code to null out the reference when the list is empty. This class encapsulates
		* all of that functionality into simple add()/remove() methods which perform the
		* necessary checks, allocation/null-out as appropriate, and return the
		* resulting list.
		*/
		private static class ArrayListManager {

		/**
		* Add the specified item to the list, returning the resulting list.
		* The returned list can either the be same list passed in or, if that
		* list was null, the new list that was created.
		*
		* Note that the list holds unique items; if the item already exists in the
		* list, the list is not modified.
		*/
		static <T> ArrayList<T> add(ArrayList<T> list, T item) {
		if (list == null) {
		list = new ArrayList<T>();
		}
		if (!list.contains(item)) {
		list.add(item);
		}
		return list;
		}

		/**
		* Remove the specified item from the list, returning the resulting list.
		* The returned list can either the be same list passed in or, if that
		* list becomes empty as a result of the remove(), the new list was created.
		*/
		static <T> ArrayList<T> remove(ArrayList<T> list, T item) {
		if (list != null) {
		list.remove(item);
		if (list.isEmpty()) {
		list = null;
		}
		}
		return list;
		}
		}

		}

core/java/android/transition/TransitionInflater.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -235,7 +235,7 @@ public class TransitionInflater {
		int numTargets = targetIds.size();
		if (numTargets > 0) {
		for (int i = 0; i < numTargets; ++i) {
		transition.addTargetId(targetIds.get(i));
		transition.addTarget(targetIds.get(i));
		}
		}
		}

core/java/android/transition/TransitionSet.java

+14 −10

Original line number	Diff line number	Diff line
		@@ -155,8 +155,8 @@ public class TransitionSet extends Transition {
		}

		@Override
		public TransitionSet addTargetId(int targetId) {
		return (TransitionSet) super.addTargetId(targetId);
		public TransitionSet addTarget(int targetId) {
		return (TransitionSet) super.addTarget(targetId);
		}

		@Override
		@@ -165,8 +165,8 @@ public class TransitionSet extends Transition {
		}

		@Override
		public TransitionSet removeTargetId(int targetId) {
		return (TransitionSet) super.removeTargetId(targetId);
		public TransitionSet removeTarget(int targetId) {
		return (TransitionSet) super.removeTarget(targetId);
		}

		@Override
		@@ -278,22 +278,26 @@ public class TransitionSet extends Transition {
		@Override
		public void captureStartValues(TransitionValues transitionValues) {
		int targetId = transitionValues.view.getId();
		if (isValidTarget(transitionValues.view, targetId)) {
		for (Transition childTransition : mTransitions) {
		if (childTransition.isValidTarget(transitionValues.view, targetId)) {
		childTransition.captureStartValues(transitionValues);
		}
		}
		}
		}

		@Override
		public void captureEndValues(TransitionValues transitionValues) {
		int targetId = transitionValues.view.getId();
		if (isValidTarget(transitionValues.view, targetId)) {
		for (Transition childTransition : mTransitions) {
		if (childTransition.isValidTarget(transitionValues.view, targetId)) {
		childTransition.captureEndValues(transitionValues);
		}
		}
		}
		}

		/** @hide */
		@Override

core/res/res/values/attrs.xml

+1 −1

Original line number	Diff line number	Diff line
		@@ -4544,7 +4544,7 @@
		</declare-styleable>

		<!-- Use <code>target</code> as the root tag of the XML resource that
		describes a {@link android.transition.Transition#addTargetId(int)
		describes a {@link android.transition.Transition#addTarget(int)
		targetId} of a transition. There can be one or more targets inside
		a <code>targets</code> tag, which is itself inside an appropriate
		{@link android.R.styleable#Transition Transition} tag.