Add View.getResolvedLayoutDirection() (c0053223) · Commits · e / os / android_frameworks_base

api/current.txt

+4 −5

Original line number	Diff line number	Diff line
		@@ -8510,11 +8510,11 @@ package android.graphics.drawable {
		method public int getMinimumWidth();
		method public abstract int getOpacity();
		method public boolean getPadding(android.graphics.Rect);
		method public int getResolvedLayoutDirectionSelf();
		method public int[] getState();
		method public android.graphics.Region getTransparentRegion();
		method public void inflate(android.content.res.Resources, org.xmlpull.v1.XmlPullParser, android.util.AttributeSet) throws java.io.IOException, org.xmlpull.v1.XmlPullParserException;
		method public void invalidateSelf();
		method public boolean isLayoutRtlSelf();
		method public boolean isStateful();
		method public final boolean isVisible();
		method public void jumpToCurrentState();
		@@ -8546,7 +8546,7 @@ package android.graphics.drawable {
		}

		public static abstract interface Drawable.Callback2 implements android.graphics.drawable.Drawable.Callback {
		method public abstract boolean isLayoutRtl(android.graphics.drawable.Drawable);
		method public abstract int getResolvedLayoutDirection(android.graphics.drawable.Drawable);
		}

		public static abstract class Drawable.ConstantState {
		@@ -20576,7 +20576,7 @@ package android.view {
		method public static void apply(int, int, int, android.graphics.Rect, android.graphics.Rect);
		method public static void apply(int, int, int, android.graphics.Rect, int, int, android.graphics.Rect);
		method public static void applyDisplay(int, android.graphics.Rect, android.graphics.Rect);
		method public static int getAbsoluteGravity(int, boolean);
		method public static int getAbsoluteGravity(int, int);
		method public static boolean isHorizontal(int);
		method public static boolean isVertical(int);
		field public static final int AXIS_CLIP = 8; // 0x8
		@@ -21717,6 +21717,7 @@ package android.view {
		method public final android.view.ViewParent getParent();
		method public float getPivotX();
		method public float getPivotY();
		method public int getResolvedLayoutDirection(android.graphics.drawable.Drawable);
		method public android.content.res.Resources getResources();
		method public final int getRight();
		method protected float getRightFadingEdgeStrength();
		@@ -21782,8 +21783,6 @@ package android.view {
		method public boolean isInEditMode();
		method public boolean isInTouchMode();
		method public boolean isLayoutRequested();
		method public boolean isLayoutRtl();
		method public boolean isLayoutRtl(android.graphics.drawable.Drawable);
		method public boolean isLongClickable();
		method public boolean isOpaque();
		method protected boolean isPaddingOffsetRequired();

core/java/android/view/Gravity.java

+8 −7

Original line number	Diff line number	Diff line
		@@ -151,13 +151,13 @@ public class Gravity
		* width and height of the object.
		* @param outRect Receives the computed frame of the object in its
		* container.
		* @param isRtl Whether the layout is right-to-left.
		* @param layoutDirection The layout direction.
		*
		* @hide
		*/
		public static void apply(int gravity, int w, int h, Rect container,
		Rect outRect, boolean isRtl) {
		int absGravity = getAbsoluteGravity(gravity, isRtl);
		Rect outRect, int layoutDirection) {
		int absGravity = getAbsoluteGravity(gravity, layoutDirection);
		apply(absGravity, w, h, container, 0, 0, outRect);
		}

		@@ -347,18 +347,19 @@ public class Gravity
		* if horizontal direction is LTR, then START will set LEFT and END will set RIGHT.
		* if horizontal direction is RTL, then START will set RIGHT and END will set LEFT.
		*
		*
		* @param gravity The gravity to convert to absolute (horizontal) values.
		* @param isRtl Whether the layout is right-to-left.
		* @param layoutDirection The layout direction.
		* @return gravity converted to absolute (horizontal) values.
		*/
		public static int getAbsoluteGravity(int gravity, boolean isRtl) {
		public static int getAbsoluteGravity(int gravity, int layoutDirection) {
		int result = gravity;
		// If layout is script specific and gravity is horizontal relative (START or END)
		if ((result & RELATIVE_LAYOUT_DIRECTION) > 0) {
		if ((result & Gravity.START) == Gravity.START) {
		// Remove the START bit
		result &= ~START;
		if (isRtl) {
		if (layoutDirection == View.LAYOUT_DIRECTION_RTL) {
		// Set the RIGHT bit
		result \|= RIGHT;
		} else {
		@@ -368,7 +369,7 @@ public class Gravity
		} else if ((result & Gravity.END) == Gravity.END) {
		// Remove the END bit
		result &= ~END;
		if (isRtl) {
		if (layoutDirection == View.LAYOUT_DIRECTION_RTL) {
		// Set the LEFT bit
		result \|= LEFT;
		} else {

core/java/android/view/View.java

+45 −20

Original line number	Diff line number	Diff line
		@@ -4272,6 +4272,7 @@ public class View implements Drawable.Callback2, KeyEvent.Callback, Accessibilit
		* {@link #LAYOUT_DIRECTION_INHERIT} or
		* {@link #LAYOUT_DIRECTION_LOCALE}.
		* @attr ref android.R.styleable#View_layoutDirection
		*
		* @hide
		*/
		@ViewDebug.ExportedProperty(category = "layout", mapping = {
		@@ -4292,6 +4293,7 @@ public class View implements Drawable.Callback2, KeyEvent.Callback, Accessibilit
		* {@link #LAYOUT_DIRECTION_INHERIT} or
		* {@link #LAYOUT_DIRECTION_LOCALE}.
		* @attr ref android.R.styleable#View_layoutDirection
		*
		* @hide
		*/
		@RemotableViewMethod
		@@ -4299,6 +4301,37 @@ public class View implements Drawable.Callback2, KeyEvent.Callback, Accessibilit
		setFlags(layoutDirection, LAYOUT_DIRECTION_MASK);
		}

		/**
		* Returns the resolved layout direction for this view.
		*
		* @return {@link #LAYOUT_DIRECTION_RTL} if the layout direction is RTL or returns
		* {@link #LAYOUT_DIRECTION_LTR} id the layout direction is not RTL.
		*
		* @hide
		*/
		@ViewDebug.ExportedProperty(category = "layout", mapping = {
		@ViewDebug.IntToString(from = LAYOUT_DIRECTION_LTR, to = "RESOLVED_DIRECTION_LTR"),
		@ViewDebug.IntToString(from = LAYOUT_DIRECTION_RTL, to = "RESOLVED_DIRECTION_RTL")
		})
		public int getResolvedLayoutDirection() {
		resolveLayoutDirection();
		return ((mPrivateFlags2 & RESOLVED_LAYOUT_RTL) == RESOLVED_LAYOUT_RTL) ?
		LAYOUT_DIRECTION_RTL : LAYOUT_DIRECTION_LTR;
		}

		/**
		* <p>Indicates whether or not this view's layout is right-to-left. This is resolved from
		* layout attribute and/or the inherited value from the parent.</p>
		*
		* @return true if the layout is right-to-left.
		*
		* @hide
		*/
		@ViewDebug.ExportedProperty(category = "layout")
		public boolean isLayoutRtl() {
		return (getResolvedLayoutDirection() == LAYOUT_DIRECTION_RTL);
		}

		/**
		* If this view doesn't do any drawing on its own, set this flag to
		* allow further optimizations. By default, this flag is not set on
		@@ -8713,8 +8746,9 @@ public class View implements Drawable.Callback2, KeyEvent.Callback, Accessibilit
		switch (getLayoutDirection()) {
		case LAYOUT_DIRECTION_INHERIT:
		// If this is root view, no need to look at parent's layout dir.
		if (mParent != null && mParent instanceof ViewGroup &&
		((ViewGroup) mParent).isLayoutRtl()) {
		if (mParent != null &&
		mParent instanceof ViewGroup &&
		((ViewGroup) mParent).getResolvedLayoutDirection() == LAYOUT_DIRECTION_RTL) {
		mPrivateFlags2 \|= RESOLVED_LAYOUT_RTL;
		}
		break;
		@@ -10236,17 +10270,6 @@ public class View implements Drawable.Callback2, KeyEvent.Callback, Accessibilit
		return (mPrivateFlags & FORCE_LAYOUT) == FORCE_LAYOUT;
		}

		/**
		* <p>Indicates whether or not this view's layout is right-to-left. This is resolved from
		* layout attribute and/or the inherited value from the parent.</p>
		*
		* @return true if the layout is right-to-left.
		*/
		@ViewDebug.ExportedProperty(category = "layout")
		public boolean isLayoutRtl() {
		return (mPrivateFlags2 & RESOLVED_LAYOUT_RTL) == RESOLVED_LAYOUT_RTL;
		}

		/**
		* Assign a size and position to a view and all of its
		* descendants
		@@ -10460,12 +10483,14 @@ public class View implements Drawable.Callback2, KeyEvent.Callback, Accessibilit
		}

		/**
		* Check if a given Drawable is in RTL layout direction.
		* Return the layout direction of a given Drawable.
		*
		* @param who the recipient of the action
		* @param who the Drawable to query
		*
		* @hide
		*/
		public boolean isLayoutRtl(Drawable who) {
		return (who == mBGDrawable) && isLayoutRtl();
		public int getResolvedLayoutDirection(Drawable who) {
		return (who == mBGDrawable) ? getResolvedLayoutDirection() : LAYOUT_DIRECTION_DEFAULT;
		}

		/**

core/java/android/widget/FrameLayout.java

+5 −2

Original line number	Diff line number	Diff line
		@@ -364,7 +364,8 @@ public class FrameLayout extends ViewGroup {
		gravity = DEFAULT_CHILD_GRAVITY;
		}

		final int absoluteGravity = Gravity.getAbsoluteGravity(gravity, isLayoutRtl());
		final int layoutDirection = getResolvedLayoutDirection();
		final int absoluteGravity = Gravity.getAbsoluteGravity(gravity, layoutDirection);
		final int verticalGravity = gravity & Gravity.VERTICAL_GRAVITY_MASK;

		switch (absoluteGravity & Gravity.HORIZONTAL_GRAVITY_MASK) {
		@@ -435,8 +436,10 @@ public class FrameLayout extends ViewGroup {
		selfBounds.set(mPaddingLeft, mPaddingTop, w - mPaddingRight, h - mPaddingBottom);
		}

		final int layoutDirection = getResolvedLayoutDirection();
		Gravity.apply(mForegroundGravity, foreground.getIntrinsicWidth(),
		foreground.getIntrinsicHeight(), selfBounds, overlayBounds, isLayoutRtl());
		foreground.getIntrinsicHeight(), selfBounds, overlayBounds,
		layoutDirection);
		foreground.setBounds(overlayBounds);
		}

core/java/android/widget/GridView.java

+2 −1

Original line number	Diff line number	Diff line
		@@ -1408,7 +1408,8 @@ public class GridView extends AbsListView {
		int childLeft;
		final int childTop = flow ? y : y - h;

		final int absoluteGravity = Gravity.getAbsoluteGravity(mGravity,isLayoutRtl());
		final int layoutDirection = getResolvedLayoutDirection();
		final int absoluteGravity = Gravity.getAbsoluteGravity(mGravity, layoutDirection);
		switch (absoluteGravity & Gravity.HORIZONTAL_GRAVITY_MASK) {
		case Gravity.LEFT:
		childLeft = childrenLeft;