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Remove unused code from AccessibilityEntityProvider. 

Change-Id: I73882668b516344d36e69355e9cb39534becb629
main
alanv 2012-05-08 19:51:49 -07:00
parent 34b2b5e694
commit 8e5f79f57d
1 changed files with 0 additions and 151 deletions
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151
java/src/com/android/inputmethod/accessibility/AccessibilityEntityProvider.java
View File

@ -18,7 +18,6 @@ package com.android.inputmethod.accessibility;
import android.graphics.Rect;
import android.inputmethodservice.InputMethodService;
import android.os.Bundle;
import android.support.v4.view.ViewCompat;
import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat;
import android.support.v4.view.accessibility.AccessibilityNodeProviderCompat;
@ -34,10 +33,6 @@ import com.android.inputmethod.keyboard.Key;
import com.android.inputmethod.keyboard.Keyboard;
import com.android.inputmethod.keyboard.KeyboardView;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
/**
* Exposes a virtual view sub-tree for {@link KeyboardView} and generates
* {@link AccessibilityEvent}s for individual {@link Key}s.
@ -95,7 +90,6 @@ public class AccessibilityEntityProvider extends AccessibilityNodeProviderCompat
final AccessibilityEvent event = AccessibilityEvent.obtain(eventType);
event.setPackageName(mKeyboardView.getContext().getPackageName());
event.setClassName(key.getClass().getName());
event.getText().add(keyDescription);
event.setEnabled(true);
final AccessibilityRecordCompat record = new AccessibilityRecordCompat(event);
@ -136,7 +130,6 @@ public class AccessibilityEntityProvider extends AccessibilityNodeProviderCompat
ViewCompat.onInitializeAccessibilityNodeInfo(mKeyboardView, info);
// Add the virtual children of the root View.
// TODO: Need to assign a unique ID to each key.
final Keyboard keyboard = mKeyboardView.getKeyboard();
final Key[] keys = keyboard.mKeys;
for (Key key : keys) {
@ -163,8 +156,6 @@ public class AccessibilityEntityProvider extends AccessibilityNodeProviderCompat
// Obtain and initialize an AccessibilityNodeInfo with
// information about the virtual view.
info = AccessibilityNodeInfoCompat.obtain();
info.addAction(AccessibilityNodeInfoCompat.ACTION_SELECT);
info.addAction(AccessibilityNodeInfoCompat.ACTION_CLEAR_SELECTION);
info.setPackageName(mKeyboardView.getContext().getPackageName());
info.setClassName(key.getClass().getName());
info.setBoundsInParent(boundsInParent);
@ -173,154 +164,12 @@ public class AccessibilityEntityProvider extends AccessibilityNodeProviderCompat
info.setSource(mKeyboardView, virtualViewId);
info.setBoundsInScreen(boundsInScreen);
info.setText(keyDescription);
info.setClickable(true);
info.setEnabled(true);
info.setLongClickable(true);
}
return info;
}
/**
* Performs an accessibility action on a virtual view, i.e. a descendant of
* the host View, with the given <code>virtualViewId</code> or the host View itself if
* <code>virtualViewId</code> equals to {@link View#NO_ID}.
*
* @param virtualViewId A client defined virtual view id.
* @param action The action to perform.
* @param arguments Optional arguments.
* @return True if the action was performed.
* @see #createAccessibilityNodeInfo(int)
* @see AccessibilityNodeInfoCompat
*/
@Override
public boolean performAction(int virtualViewId, int action, Bundle arguments) {
if (virtualViewId == View.NO_ID) {
// Perform the action on the host View.
switch (action) {
case AccessibilityNodeInfoCompat.ACTION_SELECT:
if (!mKeyboardView.isSelected()) {
mKeyboardView.setSelected(true);
return mKeyboardView.isSelected();
}
break;
case AccessibilityNodeInfoCompat.ACTION_CLEAR_SELECTION:
if (mKeyboardView.isSelected()) {
mKeyboardView.setSelected(false);
return !mKeyboardView.isSelected();
}
break;
}
} else {
// Find the view that corresponds to the given id.
final Key child = mVirtualViewIdToKey.get(virtualViewId);
if (child == null)
return false;
// Perform the action on a virtual view.
switch (action) {
case AccessibilityNodeInfoCompat.ACTION_SELECT:
// TODO: Provide some focus indicator.
return true;
case AccessibilityNodeInfoCompat.ACTION_CLEAR_SELECTION:
// TODO: Provide some clear focus indicator.
return true;
}
}
return false;
}
/**
* Finds {@link AccessibilityNodeInfoCompat}s by text. The match is case
* insensitive containment. The search is relative to the virtual view, i.e.
* a descendant of the host View, with the given <code>virtualViewId</code> or the host
* View itself <code>virtualViewId</code> equals to {@link View#NO_ID}.
*
* @param virtualViewId A client defined virtual view id which defined the
* root of the tree in which to perform the search.
* @param text The searched text.
* @return A list of node info.
* @see #createAccessibilityNodeInfo(int)
* @see AccessibilityNodeInfoCompat
*/
@Override
public List<AccessibilityNodeInfoCompat> findAccessibilityNodeInfosByText(
String text, int virtualViewId) {
final String searchedLowerCase = text.toLowerCase();
final Keyboard keyboard = mKeyboardView.getKeyboard();
List<AccessibilityNodeInfoCompat> results = null;
if (virtualViewId == View.NO_ID) {
for (Key key : keyboard.mKeys) {
results = findByTextAndPopulate(searchedLowerCase, key, results);
}
} else {
final Key key = mVirtualViewIdToKey.get(virtualViewId);
results = findByTextAndPopulate(searchedLowerCase, key, results);
}
if (results == null) {
return Collections.emptyList();
}
return results;
}
/**
* Helper method for {@link #findAccessibilityNodeInfosByText(String, int)}.
* Takes a current set of results and matches a specified key against a
* lower-case search string. Returns an updated list of results.
*
* @param searchedLowerCase The lower-case search string.
* @param key The key to compare against.
* @param results The current list of results, or {@code null} if no results
* found.
* @return An updated list of results, or {@code null} if no results found.
*/
private List<AccessibilityNodeInfoCompat> findByTextAndPopulate(String searchedLowerCase,
Key key, List<AccessibilityNodeInfoCompat> results) {
if (!keyContainsText(key, searchedLowerCase)) {
return results;
}
final int childVirtualViewId = generateVirtualViewIdForKey(key);
final AccessibilityNodeInfoCompat nodeInfo = createAccessibilityNodeInfo(
childVirtualViewId);
if (results == null) {
results = new LinkedList<AccessibilityNodeInfoCompat>();
}
results.add(nodeInfo);
return results;
}
/**
* Returns whether a key's current description contains the lower-case
* search text.
*
* @param key The key to compare against.
* @param textLowerCase The lower-case search string.
* @return {@code true} if the key contains the search text.
*/
private boolean keyContainsText(Key key, String textLowerCase) {
if (key == null) {
return false;
}
final String description = getKeyDescription(key);
if (description == null) {
return false;
}
return description.toLowerCase().contains(textLowerCase);
}
/**
* Returns the context-specific description for a {@link Key}.
*