diff options
Diffstat (limited to 'src/android/jar/src/org/qtproject/qt5/android/accessibility/QtAccessibilityDelegate.java')
| -rw-r--r-- | src/android/jar/src/org/qtproject/qt5/android/accessibility/QtAccessibilityDelegate.java | 132 |
1 files changed, 116 insertions, 16 deletions
diff --git a/src/android/jar/src/org/qtproject/qt5/android/accessibility/QtAccessibilityDelegate.java b/src/android/jar/src/org/qtproject/qt5/android/accessibility/QtAccessibilityDelegate.java index a607eccc85..b316583d5f 100644 --- a/src/android/jar/src/org/qtproject/qt5/android/accessibility/QtAccessibilityDelegate.java +++ b/src/android/jar/src/org/qtproject/qt5/android/accessibility/QtAccessibilityDelegate.java @@ -43,6 +43,7 @@ package org.qtproject.qt5.android.accessibility; import android.accessibilityservice.AccessibilityService; import android.app.Activity; import android.graphics.Rect; +import android.os.Build; import android.os.Bundle; import android.util.Log; import android.view.View; @@ -51,10 +52,12 @@ import android.view.ViewParent; import android.text.TextUtils; import android.view.accessibility.*; +import android.view.accessibility.AccessibilityNodeInfo.CollectionInfo; import android.view.MotionEvent; import android.view.View.OnHoverListener; import android.content.Context; +import android.system.Os; import java.util.LinkedList; import java.util.List; @@ -89,6 +92,8 @@ public class QtAccessibilityDelegate extends View.AccessibilityDelegate // this is because the Android platform window does not take // the offset of the view on screen into account (eg status bar on top) private final int[] m_globalOffset = new int[2]; + private int m_oldOffsetX = 0; + private int m_oldOffsetY = 0; private class HoverEventListener implements View.OnHoverListener { @@ -120,6 +125,8 @@ public class QtAccessibilityDelegate extends View.AccessibilityDelegate @Override public void onAccessibilityStateChanged(boolean enabled) { + if (Os.getenv("QT_ANDROID_DISABLE_ACCESSIBILITY") != null) + return; if (enabled) { try { View view = m_view; @@ -191,29 +198,81 @@ public class QtAccessibilityDelegate extends View.AccessibilityDelegate return true; } - public void notifyLocationChange() + public void notifyScrolledEvent(int viewId) { - invalidateVirtualViewId(m_focusedVirtualViewId); + sendEventForVirtualViewId(viewId, AccessibilityEvent.TYPE_VIEW_SCROLLED); } - public void notifyObjectHide(int viewId) + public void notifyLocationChange(int viewId) { - invalidateVirtualViewId(viewId); + if (m_focusedVirtualViewId == viewId) + invalidateVirtualViewId(m_focusedVirtualViewId); + } + + public void notifyObjectHide(int viewId, int parentId) + { + // If the object had accessibility focus, we need to clear it. + // Note: This code is mostly copied from + // AccessibilityNodeProvider::performAction, but we remove the + // focus only if the focused view id matches the one that was hidden. + if (m_focusedVirtualViewId == viewId) { + m_focusedVirtualViewId = INVALID_ID; + m_view.invalidate(); + sendEventForVirtualViewId(viewId, + AccessibilityEvent.TYPE_VIEW_ACCESSIBILITY_FOCUS_CLEARED); + } + // When the object is hidden, we need to notify its parent about + // content change, not the hidden object itself + invalidateVirtualViewId(parentId); } public void notifyObjectFocus(int viewId) { + if (m_view == null) + return; + m_focusedVirtualViewId = viewId; m_view.invalidate(); sendEventForVirtualViewId(viewId, AccessibilityEvent.TYPE_VIEW_ACCESSIBILITY_FOCUSED); } + public void notifyValueChanged(int viewId, String value) + { + // Send a TYPE_ANNOUNCEMENT event with the new value + if ((viewId == INVALID_ID) || !m_manager.isEnabled()) { + Log.w(TAG, "notifyValueChanged() for invalid view"); + return; + } + final ViewGroup group = (ViewGroup)m_view.getParent(); + if (group == null) { + Log.w(TAG, "Could not announce value because ViewGroup was null."); + return; + } + final AccessibilityEvent event = + AccessibilityEvent.obtain(AccessibilityEvent.TYPE_ANNOUNCEMENT); + event.setEnabled(true); + event.setClassName(m_view.getClass().getName() + DEFAULT_CLASS_NAME); + event.setContentDescription(value); + if (event.getText().isEmpty() && TextUtils.isEmpty(event.getContentDescription())) { + Log.w(TAG, "No value to announce for " + event.getClassName()); + return; + } + event.setPackageName(m_view.getContext().getPackageName()); + event.setSource(m_view, viewId); + if (!group.requestSendAccessibilityEvent(m_view, event)) + Log.w(TAG, "Failed to send value change announcement for " + event.getClassName()); + } + public boolean sendEventForVirtualViewId(int virtualViewId, int eventType) { - if ((virtualViewId == INVALID_ID) || !m_manager.isEnabled()) { - Log.w(TAG, "sendEventForVirtualViewId for invalid view"); + final AccessibilityEvent event = getEventForVirtualViewId(virtualViewId, eventType); + return sendAccessibilityEvent(event); + } + + public boolean sendAccessibilityEvent(AccessibilityEvent event) + { + if (event == null) return false; - } final ViewGroup group = (ViewGroup) m_view.getParent(); if (group == null) { @@ -221,15 +280,18 @@ public class QtAccessibilityDelegate extends View.AccessibilityDelegate return false; } - final AccessibilityEvent event; - event = getEventForVirtualViewId(virtualViewId, eventType); return group.requestSendAccessibilityEvent(m_view, event); } public void invalidateVirtualViewId(int virtualViewId) { - if (virtualViewId != INVALID_ID) - sendEventForVirtualViewId(virtualViewId, AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED); + final AccessibilityEvent event = getEventForVirtualViewId(virtualViewId, AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED); + + if (event == null) + return; + + event.setContentChangeTypes(AccessibilityEvent.CONTENT_CHANGE_TYPE_SUBTREE); + sendAccessibilityEvent(event); } private void setHoveredVirtualViewId(int virtualViewId) @@ -246,6 +308,14 @@ public class QtAccessibilityDelegate extends View.AccessibilityDelegate private AccessibilityEvent getEventForVirtualViewId(int virtualViewId, int eventType) { + if ((virtualViewId == INVALID_ID) || !m_manager.isEnabled()) { + Log.w(TAG, "getEventForVirtualViewId for invalid view"); + return null; + } + + if (m_activityDelegate.getSurfaceCount() == 0) + return null; + final AccessibilityEvent event = AccessibilityEvent.obtain(eventType); event.setEnabled(true); @@ -308,9 +378,27 @@ public class QtAccessibilityDelegate extends View.AccessibilityDelegate // Spit out the entire hierarchy for debugging purposes // dumpNodes(-1); - int[] ids = QtNativeAccessibility.childIdListForAccessibleObject(-1); - for (int i = 0; i < ids.length; ++i) - result.addChild(m_view, ids[i]); + if (m_activityDelegate.getSurfaceCount() != 0) { + int[] ids = QtNativeAccessibility.childIdListForAccessibleObject(-1); + for (int i = 0; i < ids.length; ++i) + result.addChild(m_view, ids[i]); + } + + // The offset values have changed, so we need to re-focus the + // currently focused item, otherwise it will have an incorrect + // focus frame + if ((m_oldOffsetX != offsetX) || (m_oldOffsetY != offsetY)) { + m_oldOffsetX = offsetX; + m_oldOffsetY = offsetY; + if (m_focusedVirtualViewId != INVALID_ID) { + m_nodeProvider.performAction(m_focusedVirtualViewId, + AccessibilityNodeInfo.ACTION_CLEAR_ACCESSIBILITY_FOCUS, + new Bundle()); + m_nodeProvider.performAction(m_focusedVirtualViewId, + AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS, + new Bundle()); + } + } return result; } @@ -322,8 +410,9 @@ public class QtAccessibilityDelegate extends View.AccessibilityDelegate node.setClassName(m_view.getClass().getName() + DEFAULT_CLASS_NAME); node.setPackageName(m_view.getContext().getPackageName()); - if (!QtNativeAccessibility.populateNode(virtualViewId, node)) + if (m_activityDelegate.getSurfaceCount() == 0 || !QtNativeAccessibility.populateNode(virtualViewId, node)) { return node; + } // set only if valid, otherwise we return a node that is invalid and will crash when accessed node.setSource(m_view, virtualViewId); @@ -354,6 +443,17 @@ public class QtAccessibilityDelegate extends View.AccessibilityDelegate node.addAction(AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS); } + int[] ids = QtNativeAccessibility.childIdListForAccessibleObject(virtualViewId); + for (int i = 0; i < ids.length; ++i) + node.addChild(m_view, ids[i]); + if (node.isScrollable()) { + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) { + node.setCollectionInfo(new CollectionInfo(ids.length, 1, false)); + } else { + node.setCollectionInfo(CollectionInfo.obtain(ids.length, 1, false)); + } + } + return node; } @@ -362,7 +462,7 @@ public class QtAccessibilityDelegate extends View.AccessibilityDelegate @Override public AccessibilityNodeInfo createAccessibilityNodeInfo(int virtualViewId) { - if (virtualViewId == View.NO_ID) { + if (virtualViewId == View.NO_ID || m_activityDelegate.getSurfaceCount() == 0) { return getNodeForView(); } return getNodeForVirtualViewId(virtualViewId); |