diff options
Diffstat (limited to 'core/java/android/accessibilityservice/AccessibilityService.java')
-rw-r--r-- | core/java/android/accessibilityservice/AccessibilityService.java | 96 |
1 files changed, 86 insertions, 10 deletions
diff --git a/core/java/android/accessibilityservice/AccessibilityService.java b/core/java/android/accessibilityservice/AccessibilityService.java index 13ceb4a..1e1b33f 100644 --- a/core/java/android/accessibilityservice/AccessibilityService.java +++ b/core/java/android/accessibilityservice/AccessibilityService.java @@ -24,13 +24,18 @@ import android.os.Looper; import android.os.Message; import android.os.RemoteException; import android.util.Log; +import android.view.Display; import android.view.KeyEvent; +import android.view.View; +import android.view.ViewGroup; +import android.view.WindowManager; import android.view.accessibility.AccessibilityEvent; import android.view.accessibility.AccessibilityInteractionClient; import android.view.accessibility.AccessibilityNodeInfo; import android.view.accessibility.AccessibilityWindowInfo; import com.android.internal.os.HandlerCaller; +import com.android.internal.os.SomeArgs; import java.util.List; @@ -366,7 +371,7 @@ public abstract class AccessibilityService extends Service { public void onAccessibilityEvent(AccessibilityEvent event); public void onInterrupt(); public void onServiceConnected(); - public void onSetConnectionId(int connectionId); + public void init(int connectionId, IBinder windowToken); public boolean onGesture(int gestureId); public boolean onKeyEvent(KeyEvent event); } @@ -375,6 +380,10 @@ public abstract class AccessibilityService extends Service { private AccessibilityServiceInfo mInfo; + private IBinder mWindowToken; + + private WindowManager mWindowManager; + /** * Callback for {@link android.view.accessibility.AccessibilityEvent}s. * @@ -611,6 +620,18 @@ public abstract class AccessibilityService extends Service { } } + @Override + public Object getSystemService(String name) { + if (Context.WINDOW_SERVICE.equals(name)) { + if (mWindowManager == null) { + WindowManager wrapped = (WindowManager) super.getSystemService(name); + mWindowManager = new LocalWindowManager(wrapped); + } + return mWindowManager; + } + return super.getSystemService(name); + } + /** * Implement to return the implementation of the internal accessibility * service interface. @@ -634,8 +655,9 @@ public abstract class AccessibilityService extends Service { } @Override - public void onSetConnectionId( int connectionId) { + public void init(int connectionId, IBinder windowToken) { mConnectionId = connectionId; + mWindowToken = windowToken; } @Override @@ -658,7 +680,7 @@ public abstract class AccessibilityService extends Service { */ public static class IAccessibilityServiceClientWrapper extends IAccessibilityServiceClient.Stub implements HandlerCaller.Callback { - private static final int DO_SET_SET_CONNECTION = 1; + private static final int DO_INIT = 1; private static final int DO_ON_INTERRUPT = 2; private static final int DO_ON_ACCESSIBILITY_EVENT = 3; private static final int DO_ON_GESTURE = 4; @@ -677,9 +699,10 @@ public abstract class AccessibilityService extends Service { mCaller = new HandlerCaller(context, looper, this, true /*asyncHandler*/); } - public void setConnection(IAccessibilityServiceConnection connection, int connectionId) { - Message message = mCaller.obtainMessageIO(DO_SET_SET_CONNECTION, connectionId, - connection); + public void init(IAccessibilityServiceConnection connection, int connectionId, + IBinder windowToken) { + Message message = mCaller.obtainMessageIOO(DO_INIT, connectionId, + connection, windowToken); mCaller.sendMessage(message); } @@ -730,20 +753,24 @@ public abstract class AccessibilityService extends Service { mCallback.onInterrupt(); } return; - case DO_SET_SET_CONNECTION: { + case DO_INIT: { mConnectionId = message.arg1; + SomeArgs args = (SomeArgs) message.obj; IAccessibilityServiceConnection connection = - (IAccessibilityServiceConnection) message.obj; + (IAccessibilityServiceConnection) args.arg1; + IBinder windowToken = (IBinder) args.arg2; + args.recycle(); if (connection != null) { AccessibilityInteractionClient.getInstance().addConnection(mConnectionId, connection); - mCallback.onSetConnectionId(mConnectionId); + mCallback.init(mConnectionId, windowToken); mCallback.onServiceConnected(); } else { AccessibilityInteractionClient.getInstance().removeConnection( mConnectionId); + mConnectionId = AccessibilityInteractionClient.NO_ID; AccessibilityInteractionClient.getInstance().clearCache(); - mCallback.onSetConnectionId(AccessibilityInteractionClient.NO_ID); + mCallback.init(AccessibilityInteractionClient.NO_ID, null); } } return; @@ -785,4 +812,53 @@ public abstract class AccessibilityService extends Service { } } } + + private class LocalWindowManager implements WindowManager { + private final WindowManager mImpl; + + private LocalWindowManager(WindowManager impl) { + mImpl = impl; + } + + @Override + public Display getDefaultDisplay() { + return mImpl.getDefaultDisplay(); + } + + @Override + public void addView(View view, ViewGroup.LayoutParams params) { + if (!(params instanceof WindowManager.LayoutParams)) { + throw new IllegalArgumentException("Params must be WindowManager.LayoutParams"); + } + WindowManager.LayoutParams windowParams = (WindowManager.LayoutParams) params; + if (windowParams.type == LayoutParams.TYPE_ACCESSIBILITY_OVERLAY + && windowParams.token == null) { + windowParams.token = mWindowToken; + } + mImpl.addView(view, params); + } + + @Override + public void updateViewLayout(View view, ViewGroup.LayoutParams params) { + if (!(params instanceof WindowManager.LayoutParams)) { + throw new IllegalArgumentException("Params must be WindowManager.LayoutParams"); + } + WindowManager.LayoutParams windowParams = (WindowManager.LayoutParams) params; + if (windowParams.type == LayoutParams.TYPE_ACCESSIBILITY_OVERLAY + && windowParams.token == null) { + windowParams.token = mWindowToken; + } + mImpl.updateViewLayout(view, params); + } + + @Override + public void removeViewImmediate(View view) { + mImpl.removeViewImmediate(view); + } + + @Override + public void removeView(View view) { + mImpl.removeView(view); + } + } } |