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Commit 4a545171 authored by Daichi Hirono's avatar Daichi Hirono
Browse files

Add new callback to customize input event handling 

Bug: 63914027
Test: DragDropControllerTests
Change-Id: I7f606ffd7a803e7f884d236bbac9dc3be8da5de1
parent 76be79a7

services/core/java/com/android/server/wm/DragDropController.java

+3 −3
Original line number Diff line number Diff line
@@ -153,9 +153,9 @@ class DragDropController { 
                    mDragState.mToken = dragToken;



                    final Display display = displayContent.getDisplay();

                    mDragState.register(display);

                    if (!mService.mInputManager.transferTouchFocus(callingWin.mInputChannel,

                            mDragState.getInputChannel())) {

                    if (!mCallback.get().registerInputChannel(

                            mDragState, display, mService.mInputManager,

                            callingWin.mInputChannel)) {

                        Slog.e(TAG_WM, "Unable to transfer touch focus");

                        return null;

                    }

services/core/java/com/android/server/wm/WindowManagerInternal.java

+10 −1
Original line number Diff line number Diff line
@@ -23,12 +23,14 @@ import android.graphics.Rect; 
import android.graphics.Region;

import android.hardware.display.DisplayManagerInternal;

import android.os.IBinder;

import android.view.Display;

import android.view.IInputFilter;

import android.view.IWindow;

import android.view.InputChannel;

import android.view.MagnificationSpec;

import android.view.WindowInfo;

import android.view.animation.Animation;



import com.android.server.input.InputManagerService;

import com.android.server.policy.WindowManagerPolicy;



import java.util.List;
@@ -153,6 +155,13 @@ public abstract class WindowManagerInternal { 
     * An interface to customize drag and drop behaviors.

     */

    public interface IDragDropCallback {

        default boolean registerInputChannel(

                DragState state, Display display, InputManagerService service,

                InputChannel source) {

            state.register(display);

            return service.transferTouchFocus(source, state.getInputChannel());

        }



        /**

         * Called when drag operation is starting.

         */