Add debug logging for cursor logic in TextView and Editor (05cfcc8a) · Commits · e / os / android_frameworks_base

core/java/android/widget/Editor.java

+53 −0

Original line number	Diff line number	Diff line
		@@ -1189,6 +1189,9 @@ public class Editor {
		}

		public boolean performLongClick(boolean handled) {
		if (TextView.DEBUG_CURSOR) {
		logCursor("performLongClick", "handled=%s", handled);
		}
		// Long press in empty space moves cursor and starts the insertion action mode.
		if (!handled && !isPositionOnText(mLastDownPositionX, mLastDownPositionY)
		&& mInsertionControllerEnabled) {
		@@ -1252,6 +1255,10 @@ public class Editor {
		}

		void onFocusChanged(boolean focused, int direction) {
		if (TextView.DEBUG_CURSOR) {
		logCursor("onFocusChanged", "focused=%s", focused);
		}

		mShowCursor = SystemClock.uptimeMillis();
		ensureEndedBatchEdit();

		@@ -1450,12 +1457,22 @@ public class Editor {
		} else {
		mTapState = TAP_STATE_TRIPLE_CLICK;
		}
		if (TextView.DEBUG_CURSOR) {
		logCursor("updateTapState", "ACTION_DOWN: %s tap detected",
		(mTapState == TAP_STATE_DOUBLE_TAP ? "double" : "triple"));
		}
		} else {
		mTapState = TAP_STATE_FIRST_TAP;
		if (TextView.DEBUG_CURSOR) {
		logCursor("updateTapState", "ACTION_DOWN: first tap detected");
		}
		}
		}
		if (action == MotionEvent.ACTION_UP) {
		mLastTouchUpTime = SystemClock.uptimeMillis();
		if (TextView.DEBUG_CURSOR) {
		logCursor("updateTapState", "ACTION_UP");
		}
		}
		}

		@@ -2354,6 +2371,9 @@ public class Editor {
		}

		void onTouchUpEvent(MotionEvent event) {
		if (TextView.DEBUG_CURSOR) {
		logCursor("onTouchUpEvent", null);
		}
		if (getSelectionActionModeHelper().resetSelection(
		getTextView().getOffsetForPosition(event.getX(), event.getY()))) {
		return;
		@@ -2481,6 +2501,9 @@ public class Editor {
		loadCursorDrawable();
		final int left = clampHorizontalPosition(mDrawableForCursor, horizontal);
		final int width = mDrawableForCursor.getIntrinsicWidth();
		if (TextView.DEBUG_CURSOR) {
		logCursor("updateCursorPosition", "left=%s, top=%s", left, (top - mTempRect.top));
		}
		mDrawableForCursor.setBounds(left, top - mTempRect.top, left + width,
		bottom + mTempRect.bottom);
		}
		@@ -4621,6 +4644,11 @@ public class Editor {
		}

		public void show() {
		if (TextView.DEBUG_CURSOR) {
		logCursor(getClass().getSimpleName() + ": HandleView: show()", "offset=%s",
		getCurrentCursorOffset());
		}

		if (isShowing()) return;

		getPositionListener().addSubscriber(this, true /* local position may change */);
		@@ -4637,6 +4665,11 @@ public class Editor {
		}

		public void hide() {
		if (TextView.DEBUG_CURSOR) {
		logCursor(getClass().getSimpleName() + ": HandleView: hide()", "offset=%s",
		getCurrentCursorOffset());
		}

		dismiss();

		getPositionListener().removeSubscriber(this);
		@@ -5033,6 +5066,11 @@ public class Editor {

		@Override
		public boolean onTouchEvent(MotionEvent ev) {
		if (TextView.DEBUG_CURSOR) {
		logCursor(this.getClass().getSimpleName() + ": HandleView: onTouchEvent",
		MotionEvent.actionToString(ev.getActionMasked()));
		}

		updateFloatingToolbarVisibility(ev);

		switch (ev.getActionMasked()) {
		@@ -5951,6 +5989,10 @@ public class Editor {
		distanceSquared < doubleTapSlop * doubleTapSlop;

		if (stayedInArea && (isMouse \|\| isPositionOnText(eventX, eventY))) {
		if (TextView.DEBUG_CURSOR) {
		logCursor("SelectionModifierCursorController: onTouchEvent",
		"ACTION_DOWN: select and start drag");
		}
		if (mTapState == TAP_STATE_DOUBLE_TAP) {
		selectCurrentWordAndStartDrag();
		} else if (mTapState == TAP_STATE_TRIPLE_CLICK) {
		@@ -6028,6 +6070,9 @@ public class Editor {
		break;

		case MotionEvent.ACTION_UP:
		if (TextView.DEBUG_CURSOR) {
		logCursor("SelectionModifierCursorController: onTouchEvent", "ACTION_UP");
		}
		if (!isDragAcceleratorActive()) {
		break;
		}
		@@ -7119,4 +7164,12 @@ public class Editor {
		return resolveInfo.loadLabel(mPackageManager);
		}
		}

		private static void logCursor(String location, @Nullable String msgFormat, Object ... msgArgs) {
		if (msgFormat == null) {
		Log.d(TAG, location);
		} else {
		Log.d(TAG, location + ": " + String.format(msgFormat, msgArgs));
		}
		}
		}

core/java/android/widget/TextView.java

+24 −1

Original line number	Diff line number	Diff line
		@@ -345,6 +345,8 @@ import java.util.function.Supplier;
		public class TextView extends View implements ViewTreeObserver.OnPreDrawListener {
		static final String LOG_TAG = "TextView";
		static final boolean DEBUG_EXTRACT = false;
		static final boolean DEBUG_CURSOR = false;

		private static final float[] TEMP_POSITION = new float[2];

		// Enum for the "typeface" XML parameter.
		@@ -10857,6 +10859,10 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener

		@Override
		public boolean onTouchEvent(MotionEvent event) {
		if (DEBUG_CURSOR) {
		logCursor("onTouchEvent", MotionEvent.actionToString(event.getActionMasked()));
		}

		final int action = event.getActionMasked();
		if (mEditor != null) {
		mEditor.onTouchEvent(event);
		@@ -10868,6 +10874,9 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		}

		final boolean superResult = super.onTouchEvent(event);
		if (DEBUG_CURSOR) {
		logCursor("onTouchEvent", "superResult=%s", superResult);
		}

		/*
		* Don't handle the release after a long press, because it will move the selection away from
		@@ -10876,7 +10885,9 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		*/
		if (mEditor != null && mEditor.mDiscardNextActionUp && action == MotionEvent.ACTION_UP) {
		mEditor.mDiscardNextActionUp = false;

		if (DEBUG_CURSOR) {
		logCursor("onTouchEvent", "release after long press detected");
		}
		if (mEditor.mIsInsertionActionModeStartPending) {
		mEditor.startInsertionActionMode();
		mEditor.mIsInsertionActionModeStartPending = false;
		@@ -12254,6 +12265,10 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener

		@Override
		public boolean performLongClick() {
		if (DEBUG_CURSOR) {
		logCursor("performLongClick", null);
		}

		boolean handled = false;
		boolean performedHapticFeedback = false;

		@@ -13481,4 +13496,12 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		TextView.this.spanChange(buf, what, s, -1, e, -1);
		}
		}

		private static void logCursor(String location, @Nullable String msgFormat, Object ... msgArgs) {
		if (msgFormat == null) {
		Log.d(LOG_TAG, location);
		} else {
		Log.d(LOG_TAG, location + ": " + String.format(msgFormat, msgArgs));
		}
		}
		}