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Add logging for proxies

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Add dump logic for ProxyManager, ProxyAccessibilityServiceConnection,
and the focused window.

Add debug logging in ProxyManager.

Bug: 254545943
Test: adb shell dumpsys accessibility
Change-Id: Iad85c4d1e505c5a7bbc4e68ddee0316dc6e73d78
This commit is contained in:
Sally
2023-02-24 22:15:39 +00:00
parent 8c43e818ae
commit 58a41e514f
4 changed files with 91 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
services/accessibility/java/com/android/server/accessibility/AccessibilityManagerService.java
View File

@@ -3928,6 +3928,8 @@ public class AccessibilityManagerService extends IAccessibilityManager.Stub
mGlobalClients.getRegisteredCallbackCookie(i);
pw.append(Arrays.toString(client.mPackageNames));
}
pw.println();
mProxyManager.dump(fd, pw, args);
}
}

4
services/accessibility/java/com/android/server/accessibility/AccessibilityWindowManager.java
View File

@@ -910,6 +910,10 @@ public class AccessibilityWindowManager {
pw.println(" Top Focused Window Id = " + mTopFocusedWindowId);
pw.println(" Accessibility Focused Window Id = " + mAccessibilityFocusedWindowId
+ " ]");
if (mIsProxy) {
pw.println("Proxy accessibility focused window = "
+ mProxyDisplayAccessibilityFocusedWindow);
}
pw.println();
if (mWindows != null) {
final int windowCount = mWindows.size();

27
services/accessibility/java/com/android/server/accessibility/ProxyAccessibilityServiceConnection.java
View File

@@ -38,14 +38,18 @@ import android.os.RemoteCallback;
import android.os.RemoteException;
import android.view.KeyEvent;
import android.view.accessibility.AccessibilityDisplayProxy;
import android.view.accessibility.AccessibilityEvent;
import android.view.accessibility.AccessibilityNodeInfo;
import android.view.accessibility.AccessibilityWindowInfo;
import androidx.annotation.Nullable;
import com.android.internal.R;
import com.android.internal.util.DumpUtils;
import com.android.server.wm.WindowManagerInternal;
import java.io.FileDescriptor;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
@@ -61,6 +65,8 @@ import java.util.Set;
* TODO(241429275): Initialize this when a proxy is registered.
*/
public class ProxyAccessibilityServiceConnection extends AccessibilityServiceConnection {
private static final String LOG_TAG = "ProxyAccessibilityServiceConnection";
private int mDisplayId;
private List<AccessibilityServiceInfo> mInstalledAndEnabledServices;
@@ -565,4 +571,25 @@ public class ProxyAccessibilityServiceConnection extends AccessibilityServiceCon
public void setAnimationScale(float scale) throws UnsupportedOperationException {
throw new UnsupportedOperationException("setAnimationScale is not supported");
}
@Override
public void dump(FileDescriptor fd, final PrintWriter pw, String[] args) {
if (!DumpUtils.checkDumpPermission(mContext, LOG_TAG, pw)) return;
synchronized (mLock) {
pw.append("Proxy[displayId=" + mDisplayId);
pw.append(", feedbackType"
+ AccessibilityServiceInfo.feedbackTypeToString(mFeedbackType));
pw.append(", capabilities=" + mAccessibilityServiceInfo.getCapabilities());
pw.append(", eventTypes="
+ AccessibilityEvent.eventTypeToString(mEventTypes));
pw.append(", notificationTimeout=" + mNotificationTimeout);
pw.append(", focusStrokeWidth=").append(String.valueOf(mFocusStrokeWidth));
pw.append(", focusColor=").append(String.valueOf(mFocusColor));
pw.append(", installedAndEnabledServiceCount=").append(String.valueOf(
mInstalledAndEnabledServices.size()));
pw.append(", installedAndEnabledServices=").append(
mInstalledAndEnabledServices.toString());
pw.append("]");
}
}
}

62
services/accessibility/java/com/android/server/accessibility/ProxyManager.java
View File

@@ -23,6 +23,7 @@ import android.hardware.display.DisplayManager;
import android.os.Handler;
import android.os.IBinder;
import android.os.RemoteException;
import android.util.Slog;
import android.util.SparseArray;
import android.view.Display;
import android.view.accessibility.AccessibilityEvent;
@@ -30,6 +31,8 @@ import android.view.accessibility.AccessibilityManager;
import com.android.server.wm.WindowManagerInternal;
import java.io.FileDescriptor;
import java.io.PrintWriter;
import java.util.List;
/**
@@ -42,6 +45,9 @@ import java.util.List;
* TODO(262244375): Add unit tests.
*/
public class ProxyManager {
private static final boolean DEBUG = false;
private static final String LOG_TAG = "ProxyManager";
// Names used to populate ComponentName and ResolveInfo in connection.mA11yServiceInfo and in
// the infos of connection.setInstalledAndEnabledServices
static final String PROXY_COMPONENT_PACKAGE_NAME = "ProxyPackage";
@@ -79,6 +85,9 @@ public class ProxyManager {
AbstractAccessibilityServiceConnection.SystemSupport systemSupport,
AccessibilityTrace trace,
WindowManagerInternal windowManagerInternal) throws RemoteException {
if (DEBUG) {
Slog.v(LOG_TAG, "Register proxy for display id: " + displayId);
}
// Set a default AccessibilityServiceInfo that is used before the proxy's info is
// populated. A proxy has the touch exploration and window capabilities.
@@ -134,6 +143,9 @@ public class ProxyManager {
if (mProxyA11yServiceConnections.contains(displayId)) {
mProxyA11yServiceConnections.remove(displayId);
removed = true;
if (DEBUG) {
Slog.v(LOG_TAG, "Unregister proxy for display id " + displayId);
}
}
}
if (removed) {
@@ -155,19 +167,25 @@ public class ProxyManager {
*/
public boolean isProxyed(int displayId) {
synchronized (mLock) {
return mProxyA11yServiceConnections.contains(displayId);
final boolean tracked = mProxyA11yServiceConnections.contains(displayId);
if (DEBUG) {
Slog.v(LOG_TAG, "Tracking proxy display " + displayId + " : " + tracked);
}
return tracked;
}
}
/**
* Sends AccessibilityEvents to all proxies.
* {@link android.view.accessibility.AccessibilityDisplayProxy} will filter based on display.
* TODO(b/250929565): Filtering should happen in the system, not in the proxy.
* Sends AccessibilityEvents to a proxy given the event's displayId.
*/
public void sendAccessibilityEventLocked(AccessibilityEvent event) {
final ProxyAccessibilityServiceConnection proxy =
mProxyA11yServiceConnections.get(event.getDisplayId());
if (proxy != null) {
if (DEBUG) {
Slog.v(LOG_TAG, "Send proxy event " + event + " for display id "
+ event.getDisplayId());
}
proxy.notifyAccessibilityEvent(event);
}
}
@@ -186,6 +204,9 @@ public class ProxyManager {
break;
}
}
if (DEBUG) {
Slog.v(LOG_TAG, "At least one proxy can retrieve windows: " + observingWindows);
}
return observingWindows;
}
@@ -205,6 +226,14 @@ public class ProxyManager {
clientState |= AccessibilityManager.STATE_FLAG_TOUCH_EXPLORATION_ENABLED;
}
}
if (DEBUG) {
Slog.v(LOG_TAG, "Accessibility is enabled for all proxies: "
+ ((clientState & AccessibilityManager.STATE_FLAG_ACCESSIBILITY_ENABLED) != 0));
Slog.v(LOG_TAG, "Touch exploration is enabled for all proxies: "
+ ((clientState & AccessibilityManager.STATE_FLAG_TOUCH_EXPLORATION_ENABLED)
!= 0));
}
return clientState;
// TODO(b/254545943): When A11yManager is separated, include support for other properties.
}
@@ -234,6 +263,10 @@ public class ProxyManager {
mProxyA11yServiceConnections.valueAt(i);
relevantEventTypes |= proxy.getRelevantEventTypes();
}
if (DEBUG) {
Slog.v(LOG_TAG, "Relevant event types for all proxies: "
+ AccessibilityEvent.eventTypeToString(relevantEventTypes));
}
return relevantEventTypes;
}
@@ -275,4 +308,25 @@ public class ProxyManager {
void setAccessibilityInputFilter(AccessibilityInputFilter filter) {
mA11yInputFilter = filter;
}
/**
* Prints information belonging to each display that is controlled by an
* AccessibilityDisplayProxy.
*/
void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
synchronized (mLock) {
pw.println();
pw.println("Proxy manager state:");
pw.println(" Number of proxy connections: " + mProxyA11yServiceConnections.size());
pw.println(" Registered proxy connections:");
for (int i = 0; i < mProxyA11yServiceConnections.size(); i++) {
final ProxyAccessibilityServiceConnection proxy =
mProxyA11yServiceConnections.valueAt(i);
if (proxy != null) {
proxy.dump(fd, pw, args);
}
}
}
}
}