Switch to next IME on switcher button short click (7da46d3d) · Commits · e / os / android_frameworks_base

core/java/android/inputmethodservice/InputMethodService.java

+2 −1

Original line number	Diff line number	Diff line
		@@ -4341,7 +4341,8 @@ public class InputMethodService extends AbstractInputMethodService {
		}

		/**
		* Called when the IME switch button was clicked from the client. This will show the input
		* Called when the IME switch button was clicked from the client. Depending on the number of
		* enabled IME subtypes, this will either switch to the next IME/subtype, or show the input
		* method picker dialog.
		*
		* @hide

core/java/android/view/inputmethod/InputMethodManager.java

+2 −1

Original line number	Diff line number	Diff line
		@@ -4354,7 +4354,8 @@ public final class InputMethodManager {
		}

		/**
		* Called when the IME switch button was clicked from the system. This will show the input
		* Called when the IME switch button was clicked from the system. Depending on the number of
		* enabled IME subtypes, this will either switch to the next IME/subtype, or show the input
		* method picker dialog.
		*
		* @param displayId The ID of the display where the input method picker dialog should be shown.

services/core/java/com/android/server/inputmethod/InputMethodManagerService.java

+48 −5

Original line number	Diff line number	Diff line
		@@ -2625,6 +2625,18 @@ public final class InputMethodManagerService implements IInputMethodManagerImpl.
		}

		final InputMethodSettings settings = InputMethodSettingsRepository.get(userId);
		return hasMultipleSubtypesForSwitcher(false /* nonAuxOnly */, settings);
		}

		/**
		* Checks whether there at least two subtypes that should be shown for the IME switcher menu,
		* across all enabled IMEs for the given user.
		*
		* @param nonAuxOnly whether to check only for non auxiliary subtypes.
		* @param settings the input method settings under the given user ID.
		*/
		private static boolean hasMultipleSubtypesForSwitcher(boolean nonAuxOnly,
		@NonNull InputMethodSettings settings) {
		List<InputMethodInfo> imes = settings.getEnabledInputMethodListWithFilter(
		InputMethodInfo::shouldShowInInputMethodPicker);
		final int numImes = imes.size();
		@@ -2654,7 +2666,9 @@ public final class InputMethodManagerService implements IInputMethodManagerImpl.
		}
		}
		}
		if (nonAuxCount > 1 \|\| auxCount > 1) {
		if (Flags.imeSwitcherRevamp() && nonAuxOnly) {
		return nonAuxCount > 1;
		} else if (nonAuxCount > 1 \|\| auxCount > 1) {
		return true;
		} else if (nonAuxCount == 1 && auxCount == 1) {
		if (nonAuxSubtype != null && auxSubtype != null
		@@ -3976,17 +3990,46 @@ public final class InputMethodManagerService implements IInputMethodManagerImpl.
		if (!calledWithValidTokenLocked(token, userData)) {
		return;
		}
		showInputMethodPickerFromSystem(
		InputMethodManager.SHOW_IM_PICKER_MODE_INCLUDE_AUXILIARY_SUBTYPES, displayId);
		onImeSwitchButtonClickLocked(token, displayId, userData);
		}
		}

		@IInputMethodManagerImpl.PermissionVerified(Manifest.permission.WRITE_SECURE_SETTINGS)
		@Override
		public void onImeSwitchButtonClickFromSystem(int displayId) {
		synchronized (ImfLock.class) {
		final int userId = mCurrentUserId;
		final var userData = getUserData(userId);
		final var bindingController = userData.mBindingController;
		final var curToken = bindingController.getCurToken();
		if (curToken == null) {
		return;
		}

		onImeSwitchButtonClickLocked(curToken, displayId, userData);
		}
		}

		/**
		* Handles a click on the IME switch button. Depending on the number of enabled IME subtypes,
		* this will either switch to the next IME/subtype, or show the input method picker dialog.
		*
		* @param token The token identifying the input method that triggered this.
		* @param displayId The ID of the display where the input method picker dialog should be shown.
		* @param userData The data of the user for which to switch IMEs or show the picker dialog.
		*/
		@GuardedBy("ImfLock.class")
		private void onImeSwitchButtonClickLocked(@NonNull IBinder token, int displayId,
		@NonNull UserData userData) {
		final int userId = userData.mUserId;
		final var settings = InputMethodSettingsRepository.get(userId);
		if (hasMultipleSubtypesForSwitcher(true /* nonAuxOnly */, settings)) {
		switchToNextInputMethodLocked(token, false /* onlyCurrentIme */, userData);
		} else {
		showInputMethodPickerFromSystem(
		InputMethodManager.SHOW_IM_PICKER_MODE_INCLUDE_AUXILIARY_SUBTYPES, displayId);
		}
		}

		@NonNull
		private static IllegalArgumentException getExceptionForUnknownImeId(

services/tests/InputMethodSystemServerTests/src/com/android/inputmethodservice/InputMethodServiceTest.java

+8 −3

Original line number	Diff line number	Diff line
		@@ -60,6 +60,7 @@ import org.junit.Test;
		import org.junit.runner.RunWith;

		import java.io.IOException;
		import java.util.Objects;
		import java.util.concurrent.CountDownLatch;
		import java.util.concurrent.TimeUnit;

		@@ -769,7 +770,8 @@ public class InputMethodServiceTest {
		}

		/**
		* Verifies that clicking on the IME switch button shows the Input Method Switcher Menu.
		* Verifies that clicking on the IME switch button either shows the Input Method Switcher Menu,
		* or switches the input method.
		*/
		@Test
		public void testImeSwitchButtonClick() throws Exception {
		@@ -794,13 +796,16 @@ public class InputMethodServiceTest {
		assertThat(mInputMethodService.isInputViewShown()).isTrue();

		final var imm = mContext.getSystemService(InputMethodManager.class);
		final var initialInfo = imm.getCurrentInputMethodInfo();

		final var imeSwitchButtonUiObject = getUiObjectById(INPUT_METHOD_NAV_IME_SWITCHER_ID);
		imeSwitchButtonUiObject.click();
		mInstrumentation.waitForIdleSync();

		assertWithMessage("Input Method Switcher Menu is shown")
		.that(isInputMethodPickerShown(imm))
		final var newInfo = imm.getCurrentInputMethodInfo();

		assertWithMessage("Input Method Switcher Menu is shown or input method was switched")
		.that(isInputMethodPickerShown(imm) \|\| !Objects.equals(initialInfo, newInfo))
		.isTrue();

		assertThat(mInputMethodService.isInputViewShown()).isTrue();