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Make sure the profile list is consistent.

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Since we may have more than one instance of VpnSettings, we have to make
the VPN profile list consistent between instances.

bug:3381902

Change-Id: Ic3128646c7fc6ee2a8c0ea6ce339d76115d7c05b
This commit is contained in:
Chung-yih Wang
2011-01-21 17:22:29 +08:00
parent f6ac42968f
commit 09b77105fb
2 changed files with 51 additions and 36 deletions
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12
src/com/android/settings/vpn/VpnEditor.java
View File

@@ -78,14 +78,16 @@ public class VpnEditor extends SettingsPreferenceFragment {
}
}
mProfileEditor = getEditor(p);
mAddingProfile = TextUtils.isEmpty(p.getName());
initViewFor(p);
Parcel parcel = Parcel.obtain();
p.writeToParcel(parcel, 0);
mOriginalProfileData = parcel.marshall();
parcel.setDataPosition(0);
VpnProfile profile = (VpnProfile) VpnProfile.CREATOR.createFromParcel(parcel);
mProfileEditor = getEditor(profile);
mAddingProfile = TextUtils.isEmpty(profile.getName());
initViewFor(profile);
registerForContextMenu(getListView());
setHasOptionsMenu(true);

75
src/com/android/settings/vpn/VpnSettings.java
View File

@@ -106,12 +106,13 @@ public class VpnSettings extends SettingsPreferenceFragment
private static final String KEY_PREFIX_IPSEC_PSK = Credentials.VPN + 'i';
private static final String KEY_PREFIX_L2TP_SECRET = Credentials.VPN + 'l';
private static List<VpnProfile> sVpnProfileList = new ArrayList<VpnProfile>();
private PreferenceScreen mAddVpn;
private PreferenceCategory mVpnListContainer;
// profile name --> VpnPreference
private Map<String, VpnPreference> mVpnPreferenceMap;
private List<VpnProfile> mVpnProfileList;
// profile engaged in a connection
private VpnProfile mActiveProfile;
@@ -202,7 +203,10 @@ public class VpnSettings extends SettingsPreferenceFragment
@Override
public void onResume() {
super.onResume();
if (DEBUG) Log.d(TAG, "onResume");
updatePreferenceMap();
if (DEBUG)
Log.d(TAG, "onResume");
// listen to vpn connectivity event
mVpnManager.registerConnectivityReceiver(mConnectivityReceiver);
@@ -218,7 +222,7 @@ public class VpnSettings extends SettingsPreferenceFragment
} else {
// Dismiss the connect dialog in case there is another instance
// trying to operate a vpn connection.
if (!mVpnManager.isIdle()) {
if (!mVpnManager.isIdle() || (mActiveProfile == null)) {
removeDialog(DIALOG_CONNECT);
checkVpnConnectionStatus();
}
@@ -550,7 +554,7 @@ public class VpnSettings extends SettingsPreferenceFragment
private int getProfileIndexFromId(String id) {
int index = 0;
for (VpnProfile p : mVpnProfileList) {
for (VpnProfile p : sVpnProfileList) {
if (p.getId().equals(id)) {
return index;
} else {
@@ -560,10 +564,10 @@ public class VpnSettings extends SettingsPreferenceFragment
return -1;
}
// Replaces the profile at index in mVpnProfileList with p.
// Replaces the profile at index in sVpnProfileList with p.
// Returns true if p's name is a duplicate.
private boolean checkDuplicateName(VpnProfile p, int index) {
List<VpnProfile> list = mVpnProfileList;
List<VpnProfile> list = sVpnProfileList;
VpnPreference pref = mVpnPreferenceMap.get(p.getName());
if ((pref != null) && (index >= 0) && (index < list.size())) {
// not a duplicate if p is to replace the profile at index
@@ -577,20 +581,24 @@ public class VpnSettings extends SettingsPreferenceFragment
return menuInfo.position - mVpnListContainer.getOrder() - 1;
}
// position: position in mVpnProfileList
// position: position in sVpnProfileList
private VpnProfile getProfile(int position) {
return ((position >= 0) ? mVpnProfileList.get(position) : null);
return ((position >= 0) ? sVpnProfileList.get(position) : null);
}
// position: position in mVpnProfileList
// position: position in sVpnProfileList
private void deleteProfile(final int position) {
if ((position < 0) || (position >= mVpnProfileList.size())) return;
if ((position < 0) || (position >= sVpnProfileList.size())) return;
final VpnProfile target = sVpnProfileList.get(position);
DialogInterface.OnClickListener onClickListener =
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
// Double check if the target is still the one we want
// to remove.
VpnProfile p = sVpnProfileList.get(position);
if (p != target) return;
if (which == OK_BUTTON) {
VpnProfile p = mVpnProfileList.remove(position);
sVpnProfileList.remove(position);
VpnPreference pref =
mVpnPreferenceMap.remove(p.getName());
mVpnListContainer.removePreference(pref);
@@ -618,7 +626,7 @@ public class VpnSettings extends SettingsPreferenceFragment
Double.doubleToLongBits(Math.random())));
if (id.length() >= 8) break;
}
for (VpnProfile p : mVpnProfileList) {
for (VpnProfile p : sVpnProfileList) {
if (p.getId().equals(id)) {
setProfileId(profile);
return;
@@ -632,7 +640,7 @@ public class VpnSettings extends SettingsPreferenceFragment
processSecrets(p);
saveProfileToStorage(p);
mVpnProfileList.add(p);
sVpnProfileList.add(p);
addPreferenceFor(p, true);
disableProfilePreferencesIfOneActive();
}
@@ -654,10 +662,10 @@ public class VpnSettings extends SettingsPreferenceFragment
return pref;
}
// index: index to mVpnProfileList
// index: index to sVpnProfileList
private void replaceProfile(int index, VpnProfile p) throws IOException {
Map<String, VpnPreference> map = mVpnPreferenceMap;
VpnProfile oldProfile = mVpnProfileList.set(index, p);
VpnProfile oldProfile = sVpnProfileList.set(index, p);
VpnPreference pref = map.remove(oldProfile.getName());
if (pref.mProfile != oldProfile) {
throw new RuntimeException("inconsistent state!");
@@ -788,7 +796,6 @@ public class VpnSettings extends SettingsPreferenceFragment
private void changeState(VpnProfile p, VpnState state) {
VpnState oldState = p.getState();
if (oldState == state) return;
p.setState(state);
mVpnPreferenceMap.get(p.getName()).setSummary(
getProfileSummaryString(p));
@@ -835,7 +842,7 @@ public class VpnSettings extends SettingsPreferenceFragment
private void disableProfilePreferencesIfOneActive() {
if (mActiveProfile == null) return;
for (VpnProfile p : mVpnProfileList) {
for (VpnProfile p : sVpnProfileList) {
switch (p.getState()) {
case CONNECTING:
case DISCONNECTING:
@@ -850,7 +857,7 @@ public class VpnSettings extends SettingsPreferenceFragment
}
private void enableProfilePreferences() {
for (VpnProfile p : mVpnProfileList) {
for (VpnProfile p : sVpnProfileList) {
mVpnPreferenceMap.get(p.getName()).setEnabled(true);
}
}
@@ -872,12 +879,23 @@ public class VpnSettings extends SettingsPreferenceFragment
Util.deleteFile(getProfileDir(p));
}
private void retrieveVpnListFromStorage() {
private void updatePreferenceMap() {
mVpnPreferenceMap = new LinkedHashMap<String, VpnPreference>();
mVpnProfileList = Collections.synchronizedList(
new ArrayList<VpnProfile>());
mVpnListContainer.removeAll();
for (VpnProfile p : sVpnProfileList) {
addPreferenceFor(p, false);
}
// reset the mActiveProfile if the profile has been removed from the
// other instance.
if ((mActiveProfile != null)
&& mVpnPreferenceMap.containsKey(mActiveProfile.getName())) {
onIdle();
}
}
private void retrieveVpnListFromStorage() {
// skip the loop if the profile is loaded already.
if (sVpnProfileList.size() > 0) return;
File root = new File(PROFILES_ROOT);
String[] dirs = root.list();
if (dirs == null) return;
@@ -889,30 +907,25 @@ public class VpnSettings extends SettingsPreferenceFragment
if (p == null) continue;
if (!checkIdConsistency(dir, p)) continue;
mVpnProfileList.add(p);
sVpnProfileList.add(p);
} catch (IOException e) {
Log.e(TAG, "retrieveVpnListFromStorage()", e);
}
}
Collections.sort(mVpnProfileList, new Comparator<VpnProfile>() {
Collections.sort(sVpnProfileList, new Comparator<VpnProfile>() {
public int compare(VpnProfile p1, VpnProfile p2) {
return p1.getName().compareTo(p2.getName());
}
});
// Delay adding preferences to mVpnListContainer until states are
// obtained so that the user won't see initial state transition.
for (VpnProfile p : mVpnProfileList) {
Preference pref = addPreferenceFor(p, false);
}
disableProfilePreferencesIfOneActive();
}
private void checkVpnConnectionStatus() {
for (VpnProfile p : mVpnProfileList) {
for (VpnProfile p : sVpnProfileList) {
changeState(p, mVpnManager.getState(p));
}
// make preferences appear
for (VpnProfile p : mVpnProfileList) {
for (VpnProfile p : sVpnProfileList) {
VpnPreference pref = mVpnPreferenceMap.get(p.getName());
mVpnListContainer.addPreference(pref);
}