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Merge "Move HAS_TRANSIENT_STATE flag into a safe area." into jb-mr1-dev

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This commit is contained in:
Jeff Sharkey
2012-09-19 19:16:24 -07:00
committed by Android (Google) Code Review
parent c3e3311c05 36901b6c60
commit 4e7b551fbf
1 changed files with 94 additions and 3 deletions
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97
core/java/android/view/View.java
View File

@@ -83,12 +83,18 @@ import static java.lang.Math.max;
import com.android.internal.R;
import com.android.internal.util.Predicate;
import com.android.internal.view.menu.MenuBuilder;
import com.google.android.collect.Lists;
import com.google.android.collect.Maps;
import java.lang.ref.WeakReference;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.Locale;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.atomic.AtomicInteger;
@@ -1727,7 +1733,51 @@ public class View implements Drawable.Callback, KeyEvent.Callback,
*/
static final int PFLAG_INVALIDATED = 0x80000000;
/* Masks for mPrivateFlags2 */
/**
* Masks for mPrivateFlags2, as generated by dumpFlags():
*
* -------|-------|-------|-------|
* PFLAG2_TEXT_ALIGNMENT_FLAGS[0]
* PFLAG2_TEXT_DIRECTION_FLAGS[0]
* 1 PFLAG2_DRAG_CAN_ACCEPT
* 1 PFLAG2_DRAG_HOVERED
* 1 PFLAG2_LAYOUT_DIRECTION_MASK_SHIFT
* 11 PFLAG2_TEXT_DIRECTION_MASK_SHIFT
* 1 1 PFLAG2_TEXT_DIRECTION_RESOLVED_MASK_SHIFT
* 11 PFLAG2_LAYOUT_DIRECTION_MASK
* 11 1 PFLAG2_TEXT_ALIGNMENT_MASK_SHIFT
* 1 PFLAG2_LAYOUT_DIRECTION_RESOLVED_RTL
* 1 1 PFLAG2_TEXT_ALIGNMENT_RESOLVED_MASK_SHIFT
* 1 1 PFLAG2_IMPORTANT_FOR_ACCESSIBILITY_SHIFT
* 1 PFLAG2_LAYOUT_DIRECTION_RESOLVED
* 11 PFLAG2_LAYOUT_DIRECTION_RESOLVED_MASK
* 1 PFLAG2_TEXT_DIRECTION_FLAGS[1]
* 1 PFLAG2_TEXT_DIRECTION_FLAGS[2]
* 11 PFLAG2_TEXT_DIRECTION_FLAGS[3]
* 1 PFLAG2_TEXT_DIRECTION_FLAGS[4]
* 1 1 PFLAG2_TEXT_DIRECTION_FLAGS[5]
* 111 PFLAG2_TEXT_DIRECTION_MASK
* 1 PFLAG2_TEXT_DIRECTION_RESOLVED
* 1 PFLAG2_TEXT_DIRECTION_RESOLVED_DEFAULT
* 111 PFLAG2_TEXT_DIRECTION_RESOLVED_MASK
* 1 PFLAG2_TEXT_ALIGNMENT_FLAGS[1]
* 1 PFLAG2_TEXT_ALIGNMENT_FLAGS[2]
* 11 PFLAG2_TEXT_ALIGNMENT_FLAGS[3]
* 1 PFLAG2_TEXT_ALIGNMENT_FLAGS[4]
* 1 1 PFLAG2_TEXT_ALIGNMENT_FLAGS[5]
* 11 PFLAG2_TEXT_ALIGNMENT_FLAGS[6]
* 111 PFLAG2_TEXT_ALIGNMENT_MASK
* 1 PFLAG2_TEXT_ALIGNMENT_RESOLVED
* 1 PFLAG2_TEXT_ALIGNMENT_RESOLVED_DEFAULT
* 111 PFLAG2_TEXT_ALIGNMENT_RESOLVED_MASK
* 11 PFLAG2_IMPORTANT_FOR_ACCESSIBILITY_MASK
* 1 PFLAG2_HAS_TRANSIENT_STATE
* 1 PFLAG2_ACCESSIBILITY_FOCUSED
* 1 PFLAG2_ACCESSIBILITY_STATE_CHANGED
* 1 PFLAG2_VIEW_QUICK_REJECTED
* 1 PFLAG2_PADDING_RESOLVED
* -------|-------|-------|-------|
*/
/**
* Indicates that this view has reported that it can accept the current drag's content.
@@ -1825,8 +1875,7 @@ public class View implements Drawable.Callback, KeyEvent.Callback,
*
* @hide
*/
static final int PFLAG2_HAS_TRANSIENT_STATE = 0x00000100;
static final int PFLAG2_HAS_TRANSIENT_STATE = 0x1 << 22;
/**
* Text direction is inherited thru {@link ViewGroup}
@@ -18114,4 +18163,46 @@ public class View implements Drawable.Callback, KeyEvent.Callback,
return (view.mLabelForId == mLabeledId);
}
}
/**
* Dump all private flags in readable format, useful for documentation and
* sanity checking.
*/
private static void dumpFlags() {
final HashMap<String, String> found = Maps.newHashMap();
try {
for (Field field : View.class.getDeclaredFields()) {
final int modifiers = field.getModifiers();
if (Modifier.isStatic(modifiers) && Modifier.isFinal(modifiers)) {
if (field.getType().equals(int.class)) {
final int value = field.getInt(null);
dumpFlag(found, field.getName(), value);
} else if (field.getType().equals(int[].class)) {
final int[] values = (int[]) field.get(null);
for (int i = 0; i < values.length; i++) {
dumpFlag(found, field.getName() + "[" + i + "]", values[i]);
}
}
}
}
} catch (IllegalAccessException e) {
throw new RuntimeException(e);
}
final ArrayList<String> keys = Lists.newArrayList();
keys.addAll(found.keySet());
Collections.sort(keys);
for (String key : keys) {
Log.d(VIEW_LOG_TAG, found.get(key));
}
}
private static void dumpFlag(HashMap<String, String> found, String name, int value) {
// Sort flags by prefix, then by bits, always keeping unique keys
final String bits = String.format("%32s", Integer.toBinaryString(value)).replace('0', ' ');
final int prefix = name.indexOf('_');
final String key = (prefix > 0 ? name.substring(0, prefix) : name) + bits + name;
final String output = bits + " " + name;
found.put(key, output);
}
}