Merge "Add screenshot test for edit state drop targets." into tm-qpr-dev

tests/src/com/android/launcher3/ui/TaplTestsLauncher3.java

@@ -18,8 +18,6 @@ package com.android.launcher3.ui;
 
 import static androidx.test.InstrumentationRegistry.getInstrumentation;
 
-import android.platform.test.annotations.IwTest;
-
 import static com.google.common.truth.Truth.assertThat;
 
 import static org.junit.Assert.assertEquals;
@@ -31,6 +29,7 @@ import static org.junit.Assume.assumeTrue;
 
 import android.content.Intent;
 import android.graphics.Point;
+import android.platform.test.annotations.IwTest;
 
 import androidx.test.filters.LargeTest;
 import androidx.test.runner.AndroidJUnit4;
@@ -435,6 +434,23 @@ public class TaplTestsLauncher3 extends AbstractLauncherUiTest {
         waitForState("Launcher internal state didn't switch to Home", () -> LauncherState.NORMAL);
     }
 
+    @Test
+    @PortraitLandscape
+    public void testDragAndCancelAppIcon() {
+        final HomeAppIcon homeAppIcon = createShortcutInCenterIfNotExist(GMAIL_APP_NAME);
+        Point positionBeforeDrag =
+                mLauncher.getWorkspace().getWorkspaceIconsPositions().get(GMAIL_APP_NAME);
+        assertNotNull("App not found in Workspace before dragging.", positionBeforeDrag);
+
+        mLauncher.getWorkspace().dragAndCancelAppIcon(homeAppIcon);
+
+        Point positionAfterDrag =
+                mLauncher.getWorkspace().getWorkspaceIconsPositions().get(GMAIL_APP_NAME);
+        assertNotNull("App not found in Workspace after dragging.", positionAfterDrag);
+        assertEquals("App not returned to same position in Workspace after drag & cancel",
+                positionBeforeDrag, positionAfterDrag);
+    }
+
     @Test
     @PortraitLandscape
     public void testDeleteFromWorkspace() throws Exception {

tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java

@@ -138,6 +138,15 @@ public final class LauncherInstrumentation {
         OUTSIDE_WITH_KEYCODE,
     }
 
+    /**
+     * Represents a point in the code at which a callback can run.
+     */
+    public enum CALLBACK_RUN_POINT {
+        CALLBACK_HOLD_BEFORE_DROP
+    }
+
+    private Consumer<CALLBACK_RUN_POINT> mCallbackAtRunPoint = null;
+
     // Base class for launcher containers.
     abstract static class VisibleContainer {
         protected final LauncherInstrumentation mLauncher;
@@ -1956,4 +1965,20 @@ public final class LauncherInstrumentation {
                     LauncherInstrumentation.GestureScope.INSIDE);
         }
     }
+
+    /**
+     * Sets the consumer to run callbacks at all run-points.
+     */
+    public void setRunPointCallback(Consumer<CALLBACK_RUN_POINT> callback) {
+        mCallbackAtRunPoint = callback;
+    }
+
+    /**
+     * Runs the callback at the specified point if it exists.
+     */
+    void runCallbackIfActive(CALLBACK_RUN_POINT runPoint) {
+        if (mCallbackAtRunPoint != null) {
+            mCallbackAtRunPoint.accept(runPoint);
+        }
+    }
 }

tests/tapl/com/android/launcher3/tapl/Workspace.java

@@ -18,6 +18,7 @@ package com.android.launcher3.tapl;
 
 import static android.view.accessibility.AccessibilityEvent.TYPE_VIEW_SCROLLED;
 
+import static com.android.launcher3.tapl.LauncherInstrumentation.CALLBACK_RUN_POINT.CALLBACK_HOLD_BEFORE_DROP;
 import static com.android.launcher3.testing.shared.TestProtocol.ALL_APPS_STATE_ORDINAL;
 import static com.android.launcher3.testing.shared.TestProtocol.NORMAL_STATE_ORDINAL;
 
@@ -301,6 +302,31 @@ public final class Workspace extends Home {
                 targetId).getVisibleCenter();
     }
 
+    /**
+     * Drag the appIcon from the workspace and cancel by dragging icon to corner of screen where no
+     * drop point exists.
+     *
+     * @param homeAppIcon to be dragged.
+     */
+    @NonNull
+    public Workspace dragAndCancelAppIcon(HomeAppIcon homeAppIcon) {
+        try (LauncherInstrumentation.Closable e = mLauncher.eventsCheck();
+             LauncherInstrumentation.Closable c = mLauncher.addContextLayer(
+                     "dragging app icon across workspace")) {
+            dragIconToWorkspace(
+                    mLauncher,
+                    homeAppIcon,
+                    () -> new Point(0, 0),
+                    () -> mLauncher.expectEvent(TestProtocol.SEQUENCE_MAIN, LONG_CLICK_EVENT),
+                    null);
+
+            try (LauncherInstrumentation.Closable c1 = mLauncher.addContextLayer(
+                    "dragged the app across workspace")) {
+                return new Workspace(mLauncher);
+            }
+        }
+    }
+
     /**
      * Delete the appIcon from the workspace.
      *
@@ -493,6 +519,7 @@ public final class Workspace extends Home {
             launcher.movePointer(dragStart, targetDest, DEFAULT_DRAG_STEPS, isDecelerating,
                     downTime, SystemClock.uptimeMillis(), false,
                     LauncherInstrumentation.GestureScope.INSIDE);
+            launcher.runCallbackIfActive(CALLBACK_HOLD_BEFORE_DROP);
             dropDraggedIcon(launcher, targetDest, downTime, expectDropEvents);
         }
     }