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Diffstat (limited to 'src/com/android/gallery3d/util/AccessibilityUtils.java')
| -rw-r--r-- | src/com/android/gallery3d/util/AccessibilityUtils.java | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/util/AccessibilityUtils.java b/src/com/android/gallery3d/util/AccessibilityUtils.java new file mode 100644 index 000000000..9df8e4ece --- /dev/null +++ b/src/com/android/gallery3d/util/AccessibilityUtils.java @@ -0,0 +1,54 @@ +/* + * Copyright (C) 2012 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.gallery3d.util; + +import android.content.Context; +import android.support.v4.view.accessibility.AccessibilityRecordCompat; +import android.view.View; +import android.view.accessibility.AccessibilityEvent; +import android.view.accessibility.AccessibilityManager; + +import com.android.gallery3d.common.ApiHelper; + +/** + * AccessibilityUtils provides functions needed in accessibility mode. All the functions + * in this class are made compatible with gingerbread and later API's +*/ +public class AccessibilityUtils { + public static void makeAnnouncement(View view, CharSequence announcement) { + if (view == null) + return; + if (ApiHelper.HAS_ANNOUNCE_FOR_ACCESSIBILITY) { + view.announceForAccessibility(announcement); + } else { + // For API 15 and earlier, we need to construct an accessibility event + Context ctx = view.getContext(); + AccessibilityManager am = (AccessibilityManager) ctx.getSystemService( + Context.ACCESSIBILITY_SERVICE); + if (!am.isEnabled()) return; + AccessibilityEvent event = AccessibilityEvent.obtain( + AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED); + AccessibilityRecordCompat arc = new AccessibilityRecordCompat(event); + arc.setSource(view); + event.setClassName(view.getClass().getName()); + event.setPackageName(view.getContext().getPackageName()); + event.setEnabled(view.isEnabled()); + event.getText().add(announcement); + am.sendAccessibilityEvent(event); + } + } +}
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