| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.widget; |
| |
| import static android.widget.espresso.TextViewActions.clickOnTextAtIndex; |
| import static android.widget.espresso.TextViewActions.dragOnText; |
| import static android.widget.espresso.TextViewAssertions.hasInsertionPointerAtIndex; |
| import static android.widget.espresso.TextViewAssertions.hasSelection; |
| |
| import static androidx.test.espresso.Espresso.onView; |
| import static androidx.test.espresso.action.ViewActions.replaceText; |
| import static androidx.test.espresso.matcher.ViewMatchers.withId; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static com.google.common.truth.Truth.assertWithMessage; |
| |
| import static org.hamcrest.Matchers.emptyString; |
| import static org.hamcrest.Matchers.not; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import android.app.Activity; |
| import android.app.Instrumentation; |
| import android.text.Layout; |
| import android.util.Log; |
| import android.view.InputDevice; |
| import android.view.MotionEvent; |
| |
| import androidx.test.InstrumentationRegistry; |
| import androidx.test.filters.SmallTest; |
| import androidx.test.filters.Suppress; |
| import androidx.test.rule.ActivityTestRule; |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import com.android.frameworks.coretests.R; |
| |
| import com.google.common.base.Strings; |
| |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.util.concurrent.atomic.AtomicLong; |
| |
| @RunWith(AndroidJUnit4.class) |
| @SmallTest |
| public class EditorCursorDragTest { |
| private static final String LOG_TAG = EditorCursorDragTest.class.getSimpleName(); |
| |
| private static final AtomicLong sTicker = new AtomicLong(1); |
| |
| @Rule |
| public ActivityTestRule<TextViewActivity> mActivityRule = new ActivityTestRule<>( |
| TextViewActivity.class); |
| |
| private Instrumentation mInstrumentation; |
| private Activity mActivity; |
| |
| @Before |
| public void before() throws Throwable { |
| mInstrumentation = InstrumentationRegistry.getInstrumentation(); |
| mActivity = mActivityRule.getActivity(); |
| } |
| |
| @Test |
| public void testCursorDrag_horizontal_whenTextViewContentsFitOnScreen() throws Throwable { |
| String text = "Hello world!"; |
| onView(withId(R.id.textview)).perform(replaceText(text)); |
| onView(withId(R.id.textview)).check(hasInsertionPointerAtIndex(0)); |
| |
| // Swipe left to right to drag the cursor. The cursor should end up at the position where |
| // the finger is lifted. |
| onView(withId(R.id.textview)).perform(dragOnText(text.indexOf("llo"), text.indexOf("!"))); |
| onView(withId(R.id.textview)).check(hasInsertionPointerAtIndex(11)); |
| |
| // Swipe right to left to drag the cursor. The cursor should end up at the position where |
| // the finger is lifted. |
| onView(withId(R.id.textview)).perform(dragOnText(text.indexOf("!"), text.indexOf("llo"))); |
| onView(withId(R.id.textview)).check(hasInsertionPointerAtIndex(2)); |
| } |
| |
| @Test |
| public void testCursorDrag_horizontal_whenTextViewContentsLargerThanScreen() throws Throwable { |
| String text = "Hello world!\n\n" |
| + Strings.repeat("Bla\n\n", 200) + "Bye"; |
| onView(withId(R.id.textview)).perform(replaceText(text)); |
| onView(withId(R.id.textview)).check(hasInsertionPointerAtIndex(0)); |
| |
| // Swipe left to right to drag the cursor. The cursor should end up at the position where |
| // the finger is lifted. |
| onView(withId(R.id.textview)).perform(dragOnText(text.indexOf("llo"), text.indexOf("!"))); |
| onView(withId(R.id.textview)).check(hasInsertionPointerAtIndex(11)); |
| |
| // Swipe right to left to drag the cursor. The cursor should end up at the position where |
| // the finger is lifted. |
| onView(withId(R.id.textview)).perform(dragOnText(text.indexOf("!"), text.indexOf("llo"))); |
| onView(withId(R.id.textview)).check(hasInsertionPointerAtIndex(2)); |
| } |
| |
| @Test |
| public void testCursorDrag_diagonal_whenTextViewContentsFitOnScreen() throws Throwable { |
| StringBuilder sb = new StringBuilder(); |
| for (int i = 1; i <= 9; i++) { |
| sb.append("line").append(i).append("\n"); |
| } |
| String text = sb.toString(); |
| onView(withId(R.id.textview)).perform(replaceText(text)); |
| onView(withId(R.id.textview)).check(hasInsertionPointerAtIndex(0)); |
| |
| // Swipe along a diagonal path. This should drag the cursor. Because we snap the finger to |
| // the handle as the touch moves downwards (and because we have some slop to avoid jumping |
| // across lines), the cursor position will end up higher than the finger position. |
| onView(withId(R.id.textview)).perform(dragOnText(text.indexOf("line1"), text.indexOf("3"))); |
| onView(withId(R.id.textview)).check(hasInsertionPointerAtIndex(text.indexOf("1"))); |
| |
| // Swipe right-down along a very steep diagonal path. This should not drag the cursor. |
| // Normally this would trigger a scroll, but since the full view fits on the screen there |
| // is nothing to scroll and the gesture will trigger a selection drag. |
| onView(withId(R.id.textview)).perform(dragOnText(text.indexOf("line1"), text.indexOf("7"))); |
| onView(withId(R.id.textview)).check(hasSelection(not(emptyString()))); |
| |
| // Tap to clear the selection. |
| int index = text.indexOf("line9"); |
| onView(withId(R.id.textview)).perform(clickOnTextAtIndex(index)); |
| onView(withId(R.id.textview)).check(hasSelection(emptyString())); |
| onView(withId(R.id.textview)).check(hasInsertionPointerAtIndex(index)); |
| |
| // Swipe right-up along a very steep diagonal path. This should not drag the cursor. |
| // Normally this would trigger a scroll, but since the full view fits on the screen there |
| // is nothing to scroll and the gesture will trigger a selection drag. |
| onView(withId(R.id.textview)).perform(dragOnText(text.indexOf("line7"), text.indexOf("1"))); |
| onView(withId(R.id.textview)).check(hasSelection(not(emptyString()))); |
| } |
| |
| @Test |
| public void testCursorDrag_diagonal_whenTextViewContentsLargerThanScreen() throws Throwable { |
| StringBuilder sb = new StringBuilder(); |
| for (int i = 1; i <= 9; i++) { |
| sb.append("line").append(i).append("\n"); |
| } |
| sb.append(Strings.repeat("0123456789\n", 400)).append("Last"); |
| String text = sb.toString(); |
| onView(withId(R.id.textview)).perform(replaceText(text)); |
| onView(withId(R.id.textview)).check(hasInsertionPointerAtIndex(0)); |
| |
| // Swipe along a diagonal path. This should drag the cursor. Because we snap the finger to |
| // the handle as the touch moves downwards (and because we have some slop to avoid jumping |
| // across lines), the cursor position will end up higher than the finger position. |
| onView(withId(R.id.textview)).perform(dragOnText(text.indexOf("line1"), text.indexOf("3"))); |
| onView(withId(R.id.textview)).check(hasInsertionPointerAtIndex(text.indexOf("1"))); |
| |
| // Swipe right-down along a very steep diagonal path. This should not drag the cursor. |
| // Normally this would trigger a scroll up, but since the view is already at the top there |
| // is nothing to scroll and the gesture will trigger a selection drag. |
| onView(withId(R.id.textview)).perform(dragOnText(text.indexOf("line1"), text.indexOf("7"))); |
| onView(withId(R.id.textview)).check(hasSelection(not(emptyString()))); |
| |
| // Tap to clear the selection. |
| int index = text.indexOf("line9"); |
| onView(withId(R.id.textview)).perform(clickOnTextAtIndex(index)); |
| onView(withId(R.id.textview)).check(hasSelection(emptyString())); |
| onView(withId(R.id.textview)).check(hasInsertionPointerAtIndex(index)); |
| |
| // Swipe right-up along a very steep diagonal path. This should not drag the cursor. This |
| // will trigger a downward scroll and the cursor position will not change. |
| onView(withId(R.id.textview)).perform(dragOnText(text.indexOf("line7"), text.indexOf("1"))); |
| onView(withId(R.id.textview)).check(hasInsertionPointerAtIndex(index)); |
| } |
| |
| @Test |
| public void testCursorDrag_vertical_whenTextViewContentsFitOnScreen() throws Throwable { |
| String text = "012345_aaa\n" |
| + "0123456789\n" |
| + "012345_bbb\n" |
| + "0123456789\n" |
| + "012345_ccc\n" |
| + "0123456789\n" |
| + "012345_ddd"; |
| onView(withId(R.id.textview)).perform(replaceText(text)); |
| |
| // Swipe up vertically. This should not drag the cursor. Since there's also nothing to |
| // scroll, the gesture will trigger a selection drag. |
| onView(withId(R.id.textview)).perform(clickOnTextAtIndex(0)); |
| onView(withId(R.id.textview)).check(hasInsertionPointerAtIndex(0)); |
| onView(withId(R.id.textview)).perform(dragOnText(text.indexOf("bbb"), text.indexOf("aaa"))); |
| onView(withId(R.id.textview)).check(hasSelection(not(emptyString()))); |
| |
| // Swipe down vertically. This should not drag the cursor. Since there's also nothing to |
| // scroll, the gesture will trigger a selection drag. |
| onView(withId(R.id.textview)).perform(clickOnTextAtIndex(0)); |
| onView(withId(R.id.textview)).check(hasInsertionPointerAtIndex(0)); |
| onView(withId(R.id.textview)).perform(dragOnText(text.indexOf("ccc"), text.indexOf("ddd"))); |
| onView(withId(R.id.textview)).check(hasSelection(not(emptyString()))); |
| } |
| |
| @Test |
| public void testCursorDrag_vertical_whenTextViewContentsLargerThanScreen() throws Throwable { |
| String text = "012345_aaa\n" |
| + "0123456789\n" |
| + "012345_bbb\n" |
| + "0123456789\n" |
| + "012345_ccc\n" |
| + "0123456789\n" |
| + "012345_ddd\n" |
| + Strings.repeat("0123456789\n", 400) + "012345_zzz"; |
| onView(withId(R.id.textview)).perform(replaceText(text)); |
| onView(withId(R.id.textview)).perform(clickOnTextAtIndex(text.indexOf("ddd"))); |
| int initialCursorPosition = text.indexOf("ddd"); |
| onView(withId(R.id.textview)).check(hasInsertionPointerAtIndex(initialCursorPosition)); |
| |
| // Swipe up vertically. This should trigger a downward scroll. |
| onView(withId(R.id.textview)).perform(dragOnText(text.indexOf("bbb"), text.indexOf("aaa"))); |
| onView(withId(R.id.textview)).check(hasInsertionPointerAtIndex(initialCursorPosition)); |
| |
| // Swipe down vertically. This should trigger an upward scroll. |
| onView(withId(R.id.textview)).perform(dragOnText(text.indexOf("ccc"), text.indexOf("ddd"))); |
| onView(withId(R.id.textview)).check(hasInsertionPointerAtIndex(initialCursorPosition)); |
| } |
| |
| @Test |
| public void testEditor_onTouchEvent_quickTapAfterDrag() throws Throwable { |
| String text = "Hi world!"; |
| onView(withId(R.id.textview)).perform(replaceText(text)); |
| onView(withId(R.id.textview)).check(hasInsertionPointerAtIndex(0)); |
| |
| TextView tv = mActivity.findViewById(R.id.textview); |
| Editor editor = tv.getEditorForTesting(); |
| |
| // Simulate a tap-and-drag gesture. |
| long event1Time = 1001; |
| MotionEvent event1 = downEvent(event1Time, event1Time, 5f, 10f); |
| mInstrumentation.runOnMainSync(() -> editor.onTouchEvent(event1)); |
| assertFalse(editor.getInsertionController().isCursorBeingModified()); |
| assertFalse(editor.getSelectionController().isCursorBeingModified()); |
| |
| long event2Time = 1002; |
| MotionEvent event2 = moveEvent(event1Time, event2Time, 50f, 10f); |
| mInstrumentation.runOnMainSync(() -> editor.onTouchEvent(event2)); |
| assertTrue(editor.getInsertionController().isCursorBeingModified()); |
| assertFalse(editor.getSelectionController().isCursorBeingModified()); |
| |
| long event3Time = 1003; |
| MotionEvent event3 = moveEvent(event1Time, event3Time, 100f, 10f); |
| mInstrumentation.runOnMainSync(() -> editor.onTouchEvent(event3)); |
| assertTrue(editor.getInsertionController().isCursorBeingModified()); |
| assertFalse(editor.getSelectionController().isCursorBeingModified()); |
| |
| long event4Time = 2004; |
| MotionEvent event4 = upEvent(event1Time, event4Time, 100f, 10f); |
| mInstrumentation.runOnMainSync(() -> editor.onTouchEvent(event4)); |
| assertFalse(editor.getInsertionController().isCursorBeingModified()); |
| assertFalse(editor.getSelectionController().isCursorBeingModified()); |
| |
| // Simulate a quick tap after the drag, near the location where the drag ended. |
| long event5Time = 2005; |
| MotionEvent event5 = downEvent(event5Time, event5Time, 90f, 10f); |
| mInstrumentation.runOnMainSync(() -> editor.onTouchEvent(event5)); |
| assertFalse(editor.getInsertionController().isCursorBeingModified()); |
| assertFalse(editor.getSelectionController().isCursorBeingModified()); |
| |
| long event6Time = 2006; |
| MotionEvent event6 = upEvent(event5Time, event6Time, 90f, 10f); |
| mInstrumentation.runOnMainSync(() -> editor.onTouchEvent(event6)); |
| assertFalse(editor.getInsertionController().isCursorBeingModified()); |
| assertFalse(editor.getSelectionController().isCursorBeingModified()); |
| |
| // Simulate another quick tap in the same location; now selection should be triggered. |
| long event7Time = 2007; |
| MotionEvent event7 = downEvent(event7Time, event7Time, 90f, 10f); |
| mInstrumentation.runOnMainSync(() -> editor.onTouchEvent(event7)); |
| assertFalse(editor.getInsertionController().isCursorBeingModified()); |
| assertTrue(editor.getSelectionController().isCursorBeingModified()); |
| } |
| |
| @Test |
| public void testEditor_onTouchEvent_mouseDrag() throws Throwable { |
| String text = "testEditor_onTouchEvent_mouseDrag"; |
| onView(withId(R.id.textview)).perform(replaceText(text)); |
| onView(withId(R.id.textview)).check(hasInsertionPointerAtIndex(0)); |
| |
| TextView tv = mActivity.findViewById(R.id.textview); |
| Editor editor = tv.getEditorForTesting(); |
| |
| // Simulate a mouse click and drag. This should NOT trigger a cursor drag. |
| long event1Time = 1001; |
| MotionEvent event1 = mouseDownEvent(event1Time, event1Time, 20f, 30f); |
| mInstrumentation.runOnMainSync(() -> editor.onTouchEvent(event1)); |
| assertFalse(editor.getInsertionController().isCursorBeingModified()); |
| assertFalse(editor.getSelectionController().isCursorBeingModified()); |
| |
| long event2Time = 1002; |
| MotionEvent event2 = mouseMoveEvent(event1Time, event2Time, 120f, 30f); |
| mInstrumentation.runOnMainSync(() -> editor.onTouchEvent(event2)); |
| assertFalse(editor.getInsertionController().isCursorBeingModified()); |
| assertTrue(editor.getSelectionController().isCursorBeingModified()); |
| |
| long event3Time = 1003; |
| MotionEvent event3 = mouseUpEvent(event1Time, event3Time, 120f, 30f); |
| mInstrumentation.runOnMainSync(() -> editor.onTouchEvent(event3)); |
| assertFalse(editor.getInsertionController().isCursorBeingModified()); |
| assertFalse(editor.getSelectionController().isCursorBeingModified()); |
| } |
| |
| @Test |
| public void testEditor_onTouchEvent_cursorDrag() throws Throwable { |
| String text = "testEditor_onTouchEvent_cursorDrag"; |
| onView(withId(R.id.textview)).perform(replaceText(text)); |
| onView(withId(R.id.textview)).check(hasInsertionPointerAtIndex(0)); |
| |
| TextView tv = mActivity.findViewById(R.id.textview); |
| Editor editor = tv.getEditorForTesting(); |
| |
| // Simulate a tap-and-drag gesture. This should trigger a cursor drag. |
| long event1Time = 1001; |
| MotionEvent event1 = downEvent(event1Time, event1Time, 20f, 30f); |
| mInstrumentation.runOnMainSync(() -> editor.onTouchEvent(event1)); |
| assertFalse(editor.getInsertionController().isCursorBeingModified()); |
| assertFalse(editor.getSelectionController().isCursorBeingModified()); |
| |
| long event2Time = 1002; |
| MotionEvent event2 = moveEvent(event1Time, event2Time, 21f, 30f); |
| mInstrumentation.runOnMainSync(() -> editor.onTouchEvent(event2)); |
| assertFalse(editor.getInsertionController().isCursorBeingModified()); |
| assertFalse(editor.getSelectionController().isCursorBeingModified()); |
| |
| long event3Time = 1003; |
| MotionEvent event3 = moveEvent(event1Time, event3Time, 120f, 30f); |
| mInstrumentation.runOnMainSync(() -> editor.onTouchEvent(event3)); |
| assertTrue(editor.getInsertionController().isCursorBeingModified()); |
| assertFalse(editor.getSelectionController().isCursorBeingModified()); |
| |
| long event4Time = 1004; |
| MotionEvent event4 = upEvent(event1Time, event4Time, 120f, 30f); |
| mInstrumentation.runOnMainSync(() -> editor.onTouchEvent(event4)); |
| assertFalse(editor.getInsertionController().isCursorBeingModified()); |
| assertFalse(editor.getSelectionController().isCursorBeingModified()); |
| } |
| |
| @Test |
| public void testEditor_onTouchEvent_selectionDrag() throws Throwable { |
| String text = "testEditor_onTouchEvent_selectionDrag"; |
| onView(withId(R.id.textview)).perform(replaceText(text)); |
| onView(withId(R.id.textview)).check(hasInsertionPointerAtIndex(0)); |
| |
| TextView tv = mActivity.findViewById(R.id.textview); |
| Editor editor = tv.getEditorForTesting(); |
| |
| // Simulate a double-tap followed by a drag. This should trigger a selection drag. |
| long event1Time = 1001; |
| MotionEvent event1 = downEvent(event1Time, event1Time, 20f, 30f); |
| mInstrumentation.runOnMainSync(() -> editor.onTouchEvent(event1)); |
| assertFalse(editor.getInsertionController().isCursorBeingModified()); |
| assertFalse(editor.getSelectionController().isCursorBeingModified()); |
| |
| long event2Time = 1002; |
| MotionEvent event2 = upEvent(event1Time, event2Time, 20f, 30f); |
| mInstrumentation.runOnMainSync(() -> editor.onTouchEvent(event2)); |
| assertFalse(editor.getInsertionController().isCursorBeingModified()); |
| assertFalse(editor.getSelectionController().isCursorBeingModified()); |
| |
| long event3Time = 1003; |
| MotionEvent event3 = downEvent(event3Time, event3Time, 20f, 30f); |
| mInstrumentation.runOnMainSync(() -> editor.onTouchEvent(event3)); |
| assertFalse(editor.getInsertionController().isCursorBeingModified()); |
| assertTrue(editor.getSelectionController().isCursorBeingModified()); |
| |
| long event4Time = 1004; |
| MotionEvent event4 = moveEvent(event3Time, event4Time, 120f, 30f); |
| mInstrumentation.runOnMainSync(() -> editor.onTouchEvent(event4)); |
| assertFalse(editor.getInsertionController().isCursorBeingModified()); |
| assertTrue(editor.getSelectionController().isCursorBeingModified()); |
| |
| long event5Time = 1005; |
| MotionEvent event5 = upEvent(event3Time, event5Time, 120f, 30f); |
| mInstrumentation.runOnMainSync(() -> editor.onTouchEvent(event5)); |
| assertFalse(editor.getInsertionController().isCursorBeingModified()); |
| assertFalse(editor.getSelectionController().isCursorBeingModified()); |
| } |
| |
| @Suppress // b/149712851 |
| @Test // Reproduces b/147366705 |
| public void testCursorDrag_nonSelectableTextView() throws Throwable { |
| String text = "Hello world!"; |
| TextView tv = mActivity.findViewById(R.id.nonselectable_textview); |
| tv.setText(text); |
| Editor editor = tv.getEditorForTesting(); |
| assertThat(editor).isNotNull(); |
| |
| // Simulate a tap. No error should be thrown. |
| long event1Time = 1001; |
| MotionEvent event1 = downEvent(event1Time, event1Time, 20f, 30f); |
| mInstrumentation.runOnMainSync(() -> editor.onTouchEvent(event1)); |
| |
| // Swipe left to right. No error should be thrown. |
| onView(withId(R.id.nonselectable_textview)).perform( |
| dragOnText(text.indexOf("llo"), text.indexOf("!"))); |
| } |
| |
| @Test |
| public void testCursorDrag_slop() throws Throwable { |
| String text = "line1: This is the 1st line: A\n" |
| + "line2: This is the 2nd line: B\n" |
| + "line3: This is the 3rd line: C\n"; |
| onView(withId(R.id.textview)).perform(replaceText(text)); |
| onView(withId(R.id.textview)).check(hasInsertionPointerAtIndex(0)); |
| TextView tv = mActivity.findViewById(R.id.textview); |
| |
| // Simulate a drag where the finger moves slightly up and down (above and below the original |
| // line where the drag started). The cursor should just move along the original line without |
| // jumping up or down across lines. |
| MotionEventInfo[] events = new MotionEventInfo[]{ |
| // Start dragging along the second line |
| motionEventInfo(text.indexOf("line2"), 1.0f), |
| motionEventInfo(text.indexOf("This is the 2nd"), 1.0f), |
| // Move to the bottom of the first line; cursor should remain on second line |
| motionEventInfo(text.indexOf("he 1st"), 0.0f, text.indexOf("he 2nd")), |
| // Move to the top of the third line; cursor should remain on second line |
| motionEventInfo(text.indexOf("e: C"), 1.0f, text.indexOf("e: B")), |
| motionEventInfo(text.indexOf("B"), 0.0f) |
| }; |
| simulateDrag(tv, events, true); |
| } |
| |
| @Test |
| public void testCursorDrag_snapToHandle() throws Throwable { |
| String text = "line1: This is the 1st line: A\n" |
| + "line2: This is the 2nd line: B\n" |
| + "line3: This is the 3rd line: C\n"; |
| onView(withId(R.id.textview)).perform(replaceText(text)); |
| onView(withId(R.id.textview)).check(hasInsertionPointerAtIndex(0)); |
| TextView tv = mActivity.findViewById(R.id.textview); |
| |
| // When the drag motion moves downward, we delay jumping to the lower line to allow the |
| // user's touch to snap to the cursor's handle. Once the finger is over the handle, we |
| // position the cursor above the user's actual touch (offset such that the finger remains |
| // over the handle rather than on top of the cursor vertical bar). This improves the |
| // visibility of the cursor and the text underneath. |
| MotionEventInfo[] events = new MotionEventInfo[]{ |
| // Start dragging along the first line |
| motionEventInfo(text.indexOf("line1"), 1.0f), |
| motionEventInfo(text.indexOf("This is the 1st"), 1.0f), |
| // Move to the bottom of the third line; cursor should end up on second line |
| motionEventInfo(text.indexOf("he 3rd"), 0.0f, text.indexOf("he 2nd")), |
| // Move to the middle of the second line; cursor should end up on the first line |
| motionEventInfo(text.indexOf("he 2nd"), 0.5f, text.indexOf("he 1st")) |
| }; |
| simulateDrag(tv, events, true); |
| |
| // If the drag motion hasn't moved downward (ie, we haven't had a chance to snap to the |
| // handle), we position the cursor directly at the touch position. |
| events = new MotionEventInfo[]{ |
| // Start dragging along the third line |
| motionEventInfo(text.indexOf("line3"), 1.0f), |
| motionEventInfo(text.indexOf("This is the 3rd"), 1.0f), |
| // Move to the middle of the second line; cursor should end up on the second line |
| motionEventInfo(text.indexOf("he 2nd"), 0.5f, text.indexOf("he 2nd")), |
| }; |
| simulateDrag(tv, events, true); |
| } |
| |
| private static MotionEvent downEvent(long downTime, long eventTime, float x, float y) { |
| return MotionEvent.obtain(downTime, eventTime, MotionEvent.ACTION_DOWN, x, y, 0); |
| } |
| |
| private static MotionEvent upEvent(long downTime, long eventTime, float x, float y) { |
| return MotionEvent.obtain(downTime, eventTime, MotionEvent.ACTION_UP, x, y, 0); |
| } |
| |
| private static MotionEvent moveEvent(long downTime, long eventTime, float x, float y) { |
| return MotionEvent.obtain(downTime, eventTime, MotionEvent.ACTION_MOVE, x, y, 0); |
| } |
| |
| private static MotionEvent mouseDownEvent(long downTime, long eventTime, float x, float y) { |
| MotionEvent event = downEvent(downTime, eventTime, x, y); |
| event.setSource(InputDevice.SOURCE_MOUSE); |
| event.setButtonState(MotionEvent.BUTTON_PRIMARY); |
| return event; |
| } |
| |
| private static MotionEvent mouseUpEvent(long downTime, long eventTime, float x, float y) { |
| MotionEvent event = upEvent(downTime, eventTime, x, y); |
| event.setSource(InputDevice.SOURCE_MOUSE); |
| event.setButtonState(0); |
| return event; |
| } |
| |
| private static MotionEvent mouseMoveEvent(long downTime, long eventTime, float x, float y) { |
| MotionEvent event = moveEvent(downTime, eventTime, x, y); |
| event.setSource(InputDevice.SOURCE_MOUSE); |
| event.setButtonState(MotionEvent.BUTTON_PRIMARY); |
| return event; |
| } |
| |
| public static MotionEventInfo motionEventInfo(int index, float ratioToLineTop) { |
| return new MotionEventInfo(index, ratioToLineTop, index); |
| } |
| |
| public static MotionEventInfo motionEventInfo(int index, float ratioToLineTop, |
| int expectedCursorIndex) { |
| return new MotionEventInfo(index, ratioToLineTop, expectedCursorIndex); |
| } |
| |
| private static class MotionEventInfo { |
| public final int index; |
| public final float ratioToLineTop; // 0.0 = bottom of line, 0.5 = middle of line, etc |
| public final int expectedCursorIndex; |
| |
| private MotionEventInfo(int index, float ratioToLineTop, int expectedCursorIndex) { |
| this.index = index; |
| this.ratioToLineTop = ratioToLineTop; |
| this.expectedCursorIndex = expectedCursorIndex; |
| } |
| |
| public float[] getCoordinates(TextView textView) { |
| Layout layout = textView.getLayout(); |
| int line = layout.getLineForOffset(index); |
| float x = layout.getPrimaryHorizontal(index) + textView.getTotalPaddingLeft(); |
| int bottom = layout.getLineBottom(line); |
| int top = layout.getLineTop(line); |
| float y = bottom - ((bottom - top) * ratioToLineTop) + textView.getTotalPaddingTop(); |
| return new float[]{x, y}; |
| } |
| } |
| |
| private void simulateDrag(TextView tv, MotionEventInfo[] events, boolean runAssertions) |
| throws Exception { |
| Editor editor = tv.getEditorForTesting(); |
| |
| float[] downCoords = events[0].getCoordinates(tv); |
| long downEventTime = sTicker.addAndGet(10_000); |
| MotionEvent downEvent = downEvent(downEventTime, downEventTime, |
| downCoords[0], downCoords[1]); |
| mInstrumentation.runOnMainSync(() -> editor.onTouchEvent(downEvent)); |
| |
| for (int i = 1; i < events.length; i++) { |
| float[] moveCoords = events[i].getCoordinates(tv); |
| long eventTime = downEventTime + i; |
| MotionEvent event = moveEvent(downEventTime, eventTime, moveCoords[0], moveCoords[1]); |
| mInstrumentation.runOnMainSync(() -> editor.onTouchEvent(event)); |
| assertCursorPosition(tv, events[i].expectedCursorIndex, runAssertions); |
| } |
| |
| MotionEventInfo lastEvent = events[events.length - 1]; |
| float[] upCoords = lastEvent.getCoordinates(tv); |
| long upEventTime = downEventTime + events.length; |
| MotionEvent upEvent = upEvent(downEventTime, upEventTime, upCoords[0], upCoords[1]); |
| mInstrumentation.runOnMainSync(() -> editor.onTouchEvent(upEvent)); |
| } |
| |
| private static void assertCursorPosition(TextView tv, int expectedPosition, |
| boolean runAssertions) { |
| String textAfterExpectedPos = getTextAfterIndex(tv, expectedPosition, 15); |
| String textAfterActualPos = getTextAfterIndex(tv, tv.getSelectionStart(), 15); |
| String msg = "Expected cursor at " + expectedPosition + ", just before \"" |
| + textAfterExpectedPos + "\". Cursor is at " + tv.getSelectionStart() |
| + ", just before \"" + textAfterActualPos + "\"."; |
| Log.d(LOG_TAG, msg); |
| if (runAssertions) { |
| assertWithMessage(msg).that(tv.getSelectionStart()).isEqualTo(expectedPosition); |
| assertThat(tv.getSelectionEnd()).isEqualTo(expectedPosition); |
| } |
| } |
| |
| private static String getTextAfterIndex(TextView tv, int position, int maxLength) { |
| int end = Math.min(position + maxLength, tv.getText().length()); |
| try { |
| String afterPosition = tv.getText().subSequence(position, end).toString(); |
| if (afterPosition.indexOf('\n') > 0) { |
| afterPosition = afterPosition.substring(0, afterPosition.indexOf('\n')); |
| } |
| return afterPosition; |
| } catch (StringIndexOutOfBoundsException e) { |
| Log.d(LOG_TAG, "Invalid target position: position=" + position + ", length=" |
| + tv.getText().length() + ", end=" + end); |
| return ""; |
| } |
| } |
| } |