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-rw-r--r--api/current.txt4
-rw-r--r--core/java/android/content/Intent.java18
-rw-r--r--core/java/android/net/Uri.java6
-rw-r--r--core/java/android/nfc/NdefRecord.java12
-rw-r--r--core/java/android/view/accessibility/AccessibilityNodeInfo.java24
-rw-r--r--core/java/android/widget/AbsListView.java27
-rw-r--r--core/java/android/widget/HorizontalScrollView.java35
-rw-r--r--core/java/android/widget/ScrollView.java35
-rw-r--r--services/java/com/android/server/accessibility/AccessibilityManagerService.java11
9 files changed, 142 insertions, 30 deletions
diff --git a/api/current.txt b/api/current.txt
index 4b10577..ffe994e 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -12487,7 +12487,7 @@ package android.net {
method public abstract boolean isHierarchical();
method public boolean isOpaque();
method public abstract boolean isRelative();
- method public android.net.Uri normalize();
+ method public android.net.Uri normalizeScheme();
method public static android.net.Uri parse(java.lang.String);
method public abstract java.lang.String toString();
method public static android.net.Uri withAppendedPath(android.net.Uri, java.lang.String);
@@ -25234,6 +25234,8 @@ package android.view.accessibility {
field public static final int ACTION_NEXT_HTML_ELEMENT = 1024; // 0x400
field public static final int ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY = 512; // 0x200
field public static final int ACTION_PREVIOUS_HTML_ELEMENT = 2048; // 0x800
+ field public static final int ACTION_SCROLL_BACKWARD = 8192; // 0x2000
+ field public static final int ACTION_SCROLL_FORWARD = 4096; // 0x1000
field public static final int ACTION_SELECT = 4; // 0x4
field public static final android.os.Parcelable.Creator CREATOR;
field public static final int FOCUS_ACCESSIBILITY = 2; // 0x2
diff --git a/core/java/android/content/Intent.java b/core/java/android/content/Intent.java
index 4ed6f25..c791e47 100644
--- a/core/java/android/content/Intent.java
+++ b/core/java/android/content/Intent.java
@@ -4573,7 +4573,7 @@ public class Intent implements Parcelable, Cloneable {
* <p><em>Note: scheme matching in the Android framework is
* case-sensitive, unlike the formal RFC. As a result,
* you should always write your Uri with a lower case scheme,
- * or use {@link Uri#normalize} or
+ * or use {@link Uri#normalizeScheme} or
* {@link #setDataAndNormalize}
* to ensure that the scheme is converted to lower case.</em>
*
@@ -4599,7 +4599,7 @@ public class Intent implements Parcelable, Cloneable {
* previously set (for example, by {@link #setType}).
*
* <p>The data Uri is normalized using
- * {@link android.net.Uri#normalize} before it is set,
+ * {@link android.net.Uri#normalizeScheme} before it is set,
* so really this is just a convenience method for
* <pre>
* setData(data.normalize())
@@ -4612,10 +4612,10 @@ public class Intent implements Parcelable, Cloneable {
*
* @see #getData
* @see #setType
- * @see android.net.Uri#normalize
+ * @see android.net.Uri#normalizeScheme
*/
public Intent setDataAndNormalize(Uri data) {
- return setData(data.normalize());
+ return setData(data.normalizeScheme());
}
/**
@@ -4687,7 +4687,7 @@ public class Intent implements Parcelable, Cloneable {
* <p><em>Note: MIME type and Uri scheme matching in the
* Android framework is case-sensitive, unlike the formal RFC definitions.
* As a result, you should always write these elements with lower case letters,
- * or use {@link #normalizeMimeType} or {@link android.net.Uri#normalize} or
+ * or use {@link #normalizeMimeType} or {@link android.net.Uri#normalizeScheme} or
* {@link #setDataAndTypeAndNormalize}
* to ensure that they are converted to lower case.</em>
*
@@ -4700,7 +4700,7 @@ public class Intent implements Parcelable, Cloneable {
* @see #setType
* @see #setData
* @see #normalizeMimeType
- * @see android.net.Uri#normalize
+ * @see android.net.Uri#normalizeScheme
* @see #setDataAndTypeAndNormalize
*/
public Intent setDataAndType(Uri data, String type) {
@@ -4716,7 +4716,7 @@ public class Intent implements Parcelable, Cloneable {
* data with your own type given here.
*
* <p>The data Uri and the MIME type are normalize using
- * {@link android.net.Uri#normalize} and {@link #normalizeMimeType}
+ * {@link android.net.Uri#normalizeScheme} and {@link #normalizeMimeType}
* before they are set, so really this is just a convenience method for
* <pre>
* setDataAndType(data.normalize(), Intent.normalizeMimeType(type))
@@ -4732,10 +4732,10 @@ public class Intent implements Parcelable, Cloneable {
* @see #setData
* @see #setDataAndType
* @see #normalizeMimeType
- * @see android.net.Uri#normalize
+ * @see android.net.Uri#normalizeScheme
*/
public Intent setDataAndTypeAndNormalize(Uri data, String type) {
- return setDataAndType(data.normalize(), normalizeMimeType(type));
+ return setDataAndType(data.normalizeScheme(), normalizeMimeType(type));
}
/**
diff --git a/core/java/android/net/Uri.java b/core/java/android/net/Uri.java
index defe7aa..3b990e3 100644
--- a/core/java/android/net/Uri.java
+++ b/core/java/android/net/Uri.java
@@ -1718,9 +1718,7 @@ public abstract class Uri implements Parcelable, Comparable<Uri> {
}
/**
- * Return a normalized representation of this Uri.
- *
- * <p>A normalized Uri has a lowercase scheme component.
+ * Return an equivalent URI with a lowercase scheme component.
* This aligns the Uri with Android best practices for
* intent filtering.
*
@@ -1740,7 +1738,7 @@ public abstract class Uri implements Parcelable, Comparable<Uri> {
* @see {@link android.content.Intent#setData}
* @see {@link #setNormalizedData}
*/
- public Uri normalize() {
+ public Uri normalizeScheme() {
String scheme = getScheme();
if (scheme == null) return this; // give up
String lowerScheme = scheme.toLowerCase(Locale.US);
diff --git a/core/java/android/nfc/NdefRecord.java b/core/java/android/nfc/NdefRecord.java
index 0e9e8f4..8872335 100644
--- a/core/java/android/nfc/NdefRecord.java
+++ b/core/java/android/nfc/NdefRecord.java
@@ -321,7 +321,7 @@ public final class NdefRecord implements Parcelable {
* and {@link #RTD_URI}. This is the most efficient encoding
* of a URI into NDEF.<p>
* The uri parameter will be normalized with
- * {@link Uri#normalize} to set the scheme to lower case to
+ * {@link Uri#normalizeScheme} to set the scheme to lower case to
* follow Android best practices for intent filtering.
* However the unchecked exception
* {@link IllegalArgumentException} may be thrown if the uri
@@ -338,7 +338,7 @@ public final class NdefRecord implements Parcelable {
public static NdefRecord createUri(Uri uri) {
if (uri == null) throw new NullPointerException("uri is null");
- uri = uri.normalize();
+ uri = uri.normalizeScheme();
String uriString = uri.toString();
if (uriString.length() == 0) throw new IllegalArgumentException("uri is empty");
@@ -364,7 +364,7 @@ public final class NdefRecord implements Parcelable {
* and {@link #RTD_URI}. This is the most efficient encoding
* of a URI into NDEF.<p>
* The uriString parameter will be normalized with
- * {@link Uri#normalize} to set the scheme to lower case to
+ * {@link Uri#normalizeScheme} to set the scheme to lower case to
* follow Android best practices for intent filtering.
* However the unchecked exception
* {@link IllegalArgumentException} may be thrown if the uriString
@@ -665,7 +665,7 @@ public final class NdefRecord implements Parcelable {
* actually valid: it always attempts to create and return a URI if
* this record appears to be a URI record by the above rules.<p>
* The returned URI will be normalized to have a lower case scheme
- * using {@link Uri#normalize}.<p>
+ * using {@link Uri#normalizeScheme}.<p>
*
* @return URI, or null if this is not a URI record
*/
@@ -688,13 +688,13 @@ public final class NdefRecord implements Parcelable {
}
} catch (FormatException e) { }
} else if (Arrays.equals(mType, RTD_URI)) {
- return parseWktUri().normalize();
+ return parseWktUri().normalizeScheme();
}
break;
case TNF_ABSOLUTE_URI:
Uri uri = Uri.parse(new String(mType, Charsets.UTF_8));
- return uri.normalize();
+ return uri.normalizeScheme();
case TNF_EXTERNAL_TYPE:
if (inSmartPoster) {
diff --git a/core/java/android/view/accessibility/AccessibilityNodeInfo.java b/core/java/android/view/accessibility/AccessibilityNodeInfo.java
index 6b14ba5..0517d4b 100644
--- a/core/java/android/view/accessibility/AccessibilityNodeInfo.java
+++ b/core/java/android/view/accessibility/AccessibilityNodeInfo.java
@@ -205,6 +205,16 @@ public class AccessibilityNodeInfo implements Parcelable {
public static final int ACTION_PREVIOUS_HTML_ELEMENT = 0x00000800;
/**
+ * Action to scroll the node content forward.
+ */
+ public static final int ACTION_SCROLL_FORWARD = 0x00001000;
+
+ /**
+ * Action to scroll the node content backward.
+ */
+ public static final int ACTION_SCROLL_BACKWARD = 0x00002000;
+
+ /**
* Argument for which movement granularity to be used when traversing the node text.
* <p>
* <strong>Type:</strong> int<br>
@@ -569,6 +579,16 @@ public class AccessibilityNodeInfo implements Parcelable {
* @see AccessibilityNodeInfo#ACTION_CLEAR_FOCUS
* @see AccessibilityNodeInfo#ACTION_SELECT
* @see AccessibilityNodeInfo#ACTION_CLEAR_SELECTION
+ * @see AccessibilityNodeInfo#ACTION_ACCESSIBILITY_FOCUS
+ * @see AccessibilityNodeInfo#ACTION_CLEAR_ACCESSIBILITY_FOCUS
+ * @see AccessibilityNodeInfo#ACTION_CLICK
+ * @see AccessibilityNodeInfo#ACTION_LONG_CLICK
+ * @see AccessibilityNodeInfo#ACTION_NEXT_AT_MOVEMENT_GRANULARITY
+ * @see AccessibilityNodeInfo#ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY
+ * @see AccessibilityNodeInfo#ACTION_NEXT_HTML_ELEMENT
+ * @see AccessibilityNodeInfo#ACTION_PREVIOUS_HTML_ELEMENT
+ * @see AccessibilityNodeInfo#ACTION_SCROLL_FORWARD
+ * @see AccessibilityNodeInfo#ACTION_SCROLL_BACKWARD
*/
public int getActions() {
return mActions;
@@ -1578,6 +1598,10 @@ public class AccessibilityNodeInfo implements Parcelable {
return "ACTION_NEXT_HTML_ELEMENT";
case ACTION_PREVIOUS_HTML_ELEMENT:
return "ACTION_PREVIOUS_HTML_ELEMENT";
+ case ACTION_SCROLL_FORWARD:
+ return "ACTION_SCROLL_FORWARD";
+ case ACTION_SCROLL_BACKWARD:
+ return "ACTION_SCROLL_BACKWARD";
default:
throw new IllegalArgumentException("Unknown action: " + action);
}
diff --git a/core/java/android/widget/AbsListView.java b/core/java/android/widget/AbsListView.java
index 3aafba5..c4e1bf5 100644
--- a/core/java/android/widget/AbsListView.java
+++ b/core/java/android/widget/AbsListView.java
@@ -1355,6 +1355,33 @@ public abstract class AbsListView extends AdapterView<ListAdapter> implements Te
public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
super.onInitializeAccessibilityNodeInfo(info);
info.setClassName(AbsListView.class.getName());
+ if (getFirstVisiblePosition() > 0) {
+ info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
+ }
+ if (getLastVisiblePosition() < getCount() - 1) {
+ info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
+ }
+ }
+
+ @Override
+ public boolean performAccessibilityAction(int action, Bundle arguments) {
+ switch (action) {
+ case AccessibilityNodeInfo.ACTION_SCROLL_FORWARD: {
+ if (getLastVisiblePosition() < getCount() - 1) {
+ final int viewportHeight = getHeight() - mListPadding.top - mListPadding.bottom;
+ smoothScrollBy(viewportHeight, PositionScroller.SCROLL_DURATION);
+ return true;
+ }
+ } return false;
+ case AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD: {
+ if (mFirstPosition > 0) {
+ final int viewportHeight = getHeight() - mListPadding.top - mListPadding.bottom;
+ smoothScrollBy(-viewportHeight, PositionScroller.SCROLL_DURATION);
+ return true;
+ }
+ } return false;
+ }
+ return super.performAccessibilityAction(action, arguments);
}
/**
diff --git a/core/java/android/widget/HorizontalScrollView.java b/core/java/android/widget/HorizontalScrollView.java
index 1986450..ffabd1d 100644
--- a/core/java/android/widget/HorizontalScrollView.java
+++ b/core/java/android/widget/HorizontalScrollView.java
@@ -20,6 +20,7 @@ import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Rect;
+import android.os.Bundle;
import android.util.AttributeSet;
import android.view.FocusFinder;
import android.view.InputDevice;
@@ -737,10 +738,42 @@ public class HorizontalScrollView extends FrameLayout {
}
@Override
+ public boolean performAccessibilityAction(int action, Bundle arguments) {
+ switch (action) {
+ case AccessibilityNodeInfo.ACTION_SCROLL_FORWARD: {
+ final int viewportWidth = getWidth() - mPaddingLeft - mPaddingRight;
+ final int targetScrollX = Math.min(mScrollX + viewportWidth, getScrollRange());
+ if (targetScrollX != mScrollX) {
+ smoothScrollTo(targetScrollX, 0);
+ return true;
+ }
+ } return false;
+ case AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD: {
+ final int viewportWidth = getWidth() - mPaddingLeft - mPaddingRight;
+ final int targetScrollX = Math.max(0, mScrollX - viewportWidth);
+ if (targetScrollX != mScrollX) {
+ smoothScrollTo(targetScrollX, 0);
+ return true;
+ }
+ } return false;
+ }
+ return super.performAccessibilityAction(action, arguments);
+ }
+
+ @Override
public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
super.onInitializeAccessibilityNodeInfo(info);
info.setClassName(HorizontalScrollView.class.getName());
- info.setScrollable(getScrollRange() > 0);
+ final int scrollRange = getScrollRange();
+ if (scrollRange > 0) {
+ info.setScrollable(true);
+ if (mScrollX > 0) {
+ info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
+ }
+ if (mScrollX < scrollRange) {
+ info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
+ }
+ }
}
@Override
diff --git a/core/java/android/widget/ScrollView.java b/core/java/android/widget/ScrollView.java
index f912c66..b398ce4 100644
--- a/core/java/android/widget/ScrollView.java
+++ b/core/java/android/widget/ScrollView.java
@@ -22,6 +22,7 @@ import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Rect;
+import android.os.Bundle;
import android.os.StrictMode;
import android.util.AttributeSet;
import android.view.FocusFinder;
@@ -740,10 +741,42 @@ public class ScrollView extends FrameLayout {
}
@Override
+ public boolean performAccessibilityAction(int action, Bundle arguments) {
+ switch (action) {
+ case AccessibilityNodeInfo.ACTION_SCROLL_FORWARD: {
+ final int viewportHeight = getHeight() - mPaddingBottom - mPaddingTop;
+ final int targetScrollY = Math.min(mScrollY + viewportHeight, getScrollRange());
+ if (targetScrollY != mScrollY) {
+ smoothScrollTo(0, targetScrollY);
+ return true;
+ }
+ } return false;
+ case AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD: {
+ final int viewportHeight = getHeight() - mPaddingBottom - mPaddingTop;
+ final int targetScrollY = Math.max(mScrollY - viewportHeight, 0);
+ if (targetScrollY != mScrollY) {
+ smoothScrollTo(0, targetScrollY);
+ return true;
+ }
+ } return false;
+ }
+ return super.performAccessibilityAction(action, arguments);
+ }
+
+ @Override
public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
super.onInitializeAccessibilityNodeInfo(info);
info.setClassName(ScrollView.class.getName());
- info.setScrollable(getScrollRange() > 0);
+ final int scrollRange = getScrollRange();
+ if (scrollRange > 0) {
+ info.setScrollable(true);
+ if (mScrollY > 0) {
+ info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
+ }
+ if (mScrollY < scrollRange) {
+ info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
+ }
+ }
}
@Override
diff --git a/services/java/com/android/server/accessibility/AccessibilityManagerService.java b/services/java/com/android/server/accessibility/AccessibilityManagerService.java
index df7bbf2..0c6d85d 100644
--- a/services/java/com/android/server/accessibility/AccessibilityManagerService.java
+++ b/services/java/com/android/server/accessibility/AccessibilityManagerService.java
@@ -1701,14 +1701,9 @@ public class AccessibilityManagerService extends IAccessibilityManager.Stub
| AccessibilityNodeInfo.ACTION_NEXT_AT_MOVEMENT_GRANULARITY
| AccessibilityNodeInfo.ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY
| AccessibilityNodeInfo.ACTION_NEXT_HTML_ELEMENT
- | AccessibilityNodeInfo.ACTION_PREVIOUS_HTML_ELEMENT;
-
- private static final int VALID_GRANULARITIES =
- AccessibilityNodeInfo.MOVEMENT_GRANULARITY_CHARACTER
- | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_WORD
- | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_LINE
- | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_PARAGRAPH
- | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_PAGE;
+ | AccessibilityNodeInfo.ACTION_PREVIOUS_HTML_ELEMENT
+ | AccessibilityNodeInfo.ACTION_SCROLL_FORWARD
+ | AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD;
private static final int RETRIEVAL_ALLOWING_EVENT_TYPES =
AccessibilityEvent.TYPE_VIEW_CLICKED
generated by cgit v1.1 at 2025-01-27 12:52:58 +0000