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MTP/PTP: disable erasing/unmount operation for SD card while MTP/PTP is active

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Check the USB connection status and MTP/PTP setting, if USB connected and MTP/PTP enabled,
disable the erasing and umount operation.
Judge SD card Mounting status and keep summary string.

Change-Id: Iff3e0f25b581bc462c88fff59eb93d765baaddd7
Author: Li Gang <gang.g.li@intel.com>
Signed-off-by: Xiaokang Qin <xiaokang.qin@intel.com>
Signed-off-by: Bruce Beare <bruce.j.beare@intel.com>
Signed-off-by: Jack Ren <jack.ren@intel.com>
Author-tracking-BZ: 47043
This commit is contained in:
Li Gang
2012-01-20 11:48:47 +08:00
committed by Xiaokang Qin
parent 5d72b27267
commit 8218d3ba18
4 changed files with 52 additions and 3 deletions
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24
src/com/android/settings/deviceinfo/Memory.java
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@@ -24,6 +24,7 @@ import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.res.Resources;
import android.hardware.usb.UsbManager;
import android.os.Bundle;
import android.os.Environment;
import android.os.IBinder;
@@ -65,6 +66,8 @@ public class Memory extends SettingsPreferenceFragment {
private StorageManager mStorageManager = null;
private UsbManager mUsbManager = null;
private StorageVolumePreferenceCategory mInternalStorageVolumePreferenceCategory;
private StorageVolumePreferenceCategory[] mStorageVolumePreferenceCategories;
@@ -72,6 +75,8 @@ public class Memory extends SettingsPreferenceFragment {
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
mUsbManager = (UsbManager)getSystemService(Context.USB_SERVICE);
if (mStorageManager == null) {
mStorageManager = (StorageManager) getSystemService(Context.STORAGE_SERVICE);
mStorageManager.registerListener(mStorageListener);
@@ -119,6 +124,10 @@ public class Memory extends SettingsPreferenceFragment {
intentFilter.addDataScheme("file");
getActivity().registerReceiver(mMediaScannerReceiver, intentFilter);
intentFilter = new IntentFilter();
intentFilter.addAction(UsbManager.ACTION_USB_STATE);
getActivity().registerReceiver(mMediaScannerReceiver, intentFilter);
if (mInternalStorageVolumePreferenceCategory != null) {
mInternalStorageVolumePreferenceCategory.onResume();
}
@@ -237,9 +246,18 @@ public class Memory extends SettingsPreferenceFragment {
private final BroadcastReceiver mMediaScannerReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
// mInternalStorageVolumePreferenceCategory is not affected by the media scanner
for (int i = 0; i < mStorageVolumePreferenceCategories.length; i++) {
mStorageVolumePreferenceCategories[i].onMediaScannerFinished();
String action = intent.getAction();
if (action.equals(UsbManager.ACTION_USB_STATE)) {
boolean isUsbConnected = intent.getBooleanExtra(UsbManager.USB_CONNECTED, false);
String usbFunction = mUsbManager.getDefaultFunction();
for (int i = 0; i < mStorageVolumePreferenceCategories.length; i++) {
mStorageVolumePreferenceCategories[i].onUsbStateChanged(isUsbConnected, usbFunction);
}
} else if (action.equals(Intent.ACTION_MEDIA_SCANNER_FINISHED)) {
// mInternalStorageVolumePreferenceCategory is not affected by the media scanner
for (int i = 0; i < mStorageVolumePreferenceCategories.length; i++) {
mStorageVolumePreferenceCategories[i].onMediaScannerFinished();
}
}
}
};