diff --git a/res/values/strings.xml b/res/values/strings.xml
index d72a7bd87af..9e9b3ac9a85 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -9956,6 +9956,10 @@
select what the USB connection for this device should be used for. This choice
is for transferring photos via PTP. -->
PTP
+
+ Transcode exported media
@@ -9984,6 +9988,9 @@
Power options
+
+ File transfer options
USB
diff --git a/res/xml/usb_details_fragment.xml b/res/xml/usb_details_fragment.xml
index 62ccf087a09..96a449b5dd4 100644
--- a/res/xml/usb_details_fragment.xml
+++ b/res/xml/usb_details_fragment.xml
@@ -33,8 +33,11 @@
android:key="usb_details_functions"
android:title="@string/usb_use"/>
+
+
-
diff --git a/src/com/android/settings/connecteddevice/usb/UsbDetailsFragment.java b/src/com/android/settings/connecteddevice/usb/UsbDetailsFragment.java
index 4b83b06a260..bc7656815b0 100644
--- a/src/com/android/settings/connecteddevice/usb/UsbDetailsFragment.java
+++ b/src/com/android/settings/connecteddevice/usb/UsbDetailsFragment.java
@@ -92,6 +92,7 @@ public class UsbDetailsFragment extends DashboardFragment {
ret.add(new UsbDetailsDataRoleController(context, fragment, usbBackend));
ret.add(new UsbDetailsFunctionsController(context, fragment, usbBackend));
ret.add(new UsbDetailsPowerRoleController(context, fragment, usbBackend));
+ ret.add(new UsbDetailsTranscodeMtpController(context, fragment, usbBackend));
return ret;
}
diff --git a/src/com/android/settings/connecteddevice/usb/UsbDetailsTranscodeMtpController.java b/src/com/android/settings/connecteddevice/usb/UsbDetailsTranscodeMtpController.java
new file mode 100644
index 00000000000..bb91930f073
--- /dev/null
+++ b/src/com/android/settings/connecteddevice/usb/UsbDetailsTranscodeMtpController.java
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2021 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 com.android.settings.connecteddevice.usb;
+
+import static android.hardware.usb.UsbPortStatus.DATA_ROLE_DEVICE;
+
+import android.content.Context;
+import android.hardware.usb.UsbManager;
+import android.os.SystemProperties;
+
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+
+import com.android.settings.R;
+import com.android.settings.Utils;
+
+/**
+ * This class controls the switch for setting if we should transcode files transferred via MTP over
+ * USB.
+ */
+public class UsbDetailsTranscodeMtpController extends UsbDetailsController
+ implements Preference.OnPreferenceClickListener {
+ private static final String TRANSCODE_MTP_SYS_PROP_KEY = "sys.fuse.transcode_mtp";
+ private static final String PREFERENCE_KEY = "usb_transcode_mtp";
+
+ private PreferenceCategory mPreferenceCategory;
+ private SwitchPreference mSwitchPreference;
+
+ public UsbDetailsTranscodeMtpController(Context context, UsbDetailsFragment fragment,
+ UsbBackend backend) {
+ super(context, fragment, backend);
+ }
+
+
+ @Override
+ public void displayPreference(PreferenceScreen screen) {
+ super.displayPreference(screen);
+ mPreferenceCategory = screen.findPreference(getPreferenceKey());
+ mSwitchPreference = new SwitchPreference(mPreferenceCategory.getContext());
+ mSwitchPreference.setTitle(R.string.usb_transcode_files);
+ mSwitchPreference.setOnPreferenceClickListener(this);
+ mPreferenceCategory.addPreference(mSwitchPreference);
+ }
+
+ @Override
+ protected void refresh(boolean connected, long functions, int powerRole, int dataRole) {
+ if (mUsbBackend.areFunctionsSupported(UsbManager.FUNCTION_MTP | UsbManager.FUNCTION_PTP)) {
+ mFragment.getPreferenceScreen().addPreference(mPreferenceCategory);
+ } else {
+ mFragment.getPreferenceScreen().removePreference(mPreferenceCategory);
+ }
+
+ mSwitchPreference.setChecked(SystemProperties.getBoolean(TRANSCODE_MTP_SYS_PROP_KEY, true));
+ mPreferenceCategory.setEnabled(
+ connected && isDeviceInFileTransferMode(functions, dataRole));
+ }
+
+ @Override
+ public boolean onPreferenceClick(Preference preference) {
+ SystemProperties.set(TRANSCODE_MTP_SYS_PROP_KEY,
+ Boolean.toString(mSwitchPreference.isChecked()));
+ return true;
+ }
+
+ @Override
+ public boolean isAvailable() {
+ return !Utils.isMonkeyRunning();
+ }
+
+ @Override
+ public String getPreferenceKey() {
+ return PREFERENCE_KEY;
+ }
+
+ private static boolean isDeviceInFileTransferMode(long functions, int dataRole) {
+ return dataRole == DATA_ROLE_DEVICE && ((functions & UsbManager.FUNCTION_MTP) != 0
+ || (functions & UsbManager.FUNCTION_PTP) != 0);
+ }
+}
diff --git a/tests/robotests/src/com/android/settings/connecteddevice/usb/UsbDetailsTranscodeMtpControllerTest.java b/tests/robotests/src/com/android/settings/connecteddevice/usb/UsbDetailsTranscodeMtpControllerTest.java
new file mode 100644
index 00000000000..31fd13e064a
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/connecteddevice/usb/UsbDetailsTranscodeMtpControllerTest.java
@@ -0,0 +1,178 @@
+/*
+ * Copyright (C) 2021 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 com.android.settings.connecteddevice.usb;
+
+import static android.hardware.usb.UsbPortStatus.DATA_ROLE_NONE;
+import static android.hardware.usb.UsbPortStatus.POWER_ROLE_NONE;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.hardware.usb.UsbManager;
+import android.os.SystemProperties;
+
+import androidx.fragment.app.FragmentActivity;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+
+import com.android.settings.testutils.shadow.ShadowUtils;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+
+@RunWith(RobolectricTestRunner.class)
+public class UsbDetailsTranscodeMtpControllerTest {
+ private static final String TRANSCODE_MTP_SYS_PROP_KEY = "sys.fuse.transcode_mtp";
+
+ private Context mContext;
+ private PreferenceCategory mPreference;
+ private PreferenceManager mPreferenceManager;
+ private PreferenceScreen mScreen;
+ private UsbDetailsTranscodeMtpController mUnderTest;
+
+ @Mock
+ private UsbBackend mUsbBackend;
+ @Mock
+ private UsbDetailsFragment mFragment;
+ @Mock
+ private FragmentActivity mActivity;
+
+ @Before
+ public void setUp() {
+ MockitoAnnotations.initMocks(this);
+
+ mContext = RuntimeEnvironment.application;
+ mPreferenceManager = new PreferenceManager(mContext);
+ mScreen = mPreferenceManager.createPreferenceScreen(mContext);
+
+ when(mFragment.getActivity()).thenReturn(mActivity);
+ when(mActivity.getApplicationContext()).thenReturn(mContext);
+ when(mFragment.getContext()).thenReturn(mContext);
+ when(mFragment.getPreferenceManager()).thenReturn(mPreferenceManager);
+ when(mFragment.getPreferenceScreen()).thenReturn(mScreen);
+
+ mUnderTest = new UsbDetailsTranscodeMtpController(mContext, mFragment, mUsbBackend);
+
+ mPreference = new PreferenceCategory(mContext);
+ mPreference.setKey(mUnderTest.getPreferenceKey());
+ mScreen.addPreference(mPreference);
+ }
+
+ @Test
+ public void displayRefresh_noUsbConnection_shouldDisablePrefCategory() {
+ mUnderTest.displayPreference(mScreen);
+ when(mUsbBackend.areAllRolesSupported()).thenReturn(true);
+
+ mUnderTest.refresh(false /* connected */, UsbManager.FUNCTION_MTP, POWER_ROLE_NONE,
+ DATA_ROLE_NONE);
+
+ assertThat(mPreference.isEnabled()).isFalse();
+ }
+
+ @Test
+ public void displayRefresh_noDataTransfer_shouldDisablePrefCategory() {
+ mUnderTest.displayPreference(mScreen);
+ when(mUsbBackend.areAllRolesSupported()).thenReturn(true);
+
+ mUnderTest.refresh(true /* connected */, UsbManager.FUNCTION_NONE, POWER_ROLE_NONE,
+ DATA_ROLE_NONE);
+
+ assertThat(mPreference.isEnabled()).isFalse();
+ }
+
+ @Test
+ public void displayRefresh_noDataRole_shouldDisablePrefCategory() throws InterruptedException {
+ mUnderTest.displayPreference(mScreen);
+ when(mUsbBackend.areAllRolesSupported()).thenReturn(true);
+
+ mUnderTest.refresh(true /* connected */, UsbManager.FUNCTION_MTP, POWER_ROLE_NONE,
+ DATA_ROLE_NONE);
+
+ assertThat(mPreference.isEnabled()).isFalse();
+ }
+
+ @Test
+ public void displayRefresh_fileTransfer_withAbsentProp_shouldCheck() {
+ mUnderTest.displayPreference(mScreen);
+ when(mUsbBackend.areAllRolesSupported()).thenReturn(true);
+
+ mUnderTest.refresh(true /* connected */, UsbManager.FUNCTION_MTP, POWER_ROLE_NONE,
+ DATA_ROLE_NONE);
+
+ assertThat(getSwitchPreference().isChecked()).isTrue();
+ }
+
+ @Test
+ public void displayRefresh_fileTransfer_withUnsetProp_shouldUncheck() {
+ mUnderTest.displayPreference(mScreen);
+ SystemProperties.set(TRANSCODE_MTP_SYS_PROP_KEY, Boolean.toString(false));
+ when(mUsbBackend.areAllRolesSupported()).thenReturn(true);
+
+ mUnderTest.refresh(true /* connected */, UsbManager.FUNCTION_MTP, POWER_ROLE_NONE,
+ DATA_ROLE_NONE);
+
+ assertThat(getSwitchPreference().isChecked()).isFalse();
+ }
+
+ @Test
+ public void displayRefresh_fileTransfer_withSetProp_shouldCheck() {
+ mUnderTest.displayPreference(mScreen);
+ SystemProperties.set(TRANSCODE_MTP_SYS_PROP_KEY, Boolean.toString(true));
+ when(mUsbBackend.areAllRolesSupported()).thenReturn(true);
+
+ mUnderTest.refresh(true /* connected */, UsbManager.FUNCTION_MTP, POWER_ROLE_NONE,
+ DATA_ROLE_NONE);
+
+ assertThat(getSwitchPreference().isChecked()).isTrue();
+ }
+
+ @Test
+ public void click_checked_shouldSetSystemProperty() {
+ mUnderTest.displayPreference(mScreen);
+ getSwitchPreference().performClick();
+ assertThat(SystemProperties.getBoolean(TRANSCODE_MTP_SYS_PROP_KEY, false)).isTrue();
+ }
+
+ @Test
+ public void click_unChecked_shouldUnsetSystemProperty() {
+ mUnderTest.displayPreference(mScreen);
+ getSwitchPreference().performClick();
+ getSwitchPreference().performClick();
+ assertThat(SystemProperties.getBoolean(TRANSCODE_MTP_SYS_PROP_KEY, false)).isFalse();
+ }
+
+ @Test
+ @Config(shadows = ShadowUtils.class)
+ public void isAvailable_isMonkey_shouldReturnFalse() {
+ ShadowUtils.setIsUserAMonkey(true);
+ assertThat(mUnderTest.isAvailable()).isFalse();
+ }
+
+ private SwitchPreference getSwitchPreference() {
+ return (SwitchPreference) mPreference.getPreference(0);
+ }
+}