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Code Issues Releases Wiki Activity

remember scroll position on rotate. fixes #2011

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This commit is contained in:
Daniel Gultsch 2016-09-12 21:18:56 +02:00
parent 75fcab3170
commit 6cb2b0b5d1
2 changed files with 57 additions and 11 deletions
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33
src/main/java/eu/siacs/conversations/ui/ConversationActivity.java
View File

@ -67,8 +67,6 @@ import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
import eu.siacs.conversations.xmpp.jid.InvalidJidException; import eu.siacs.conversations.xmpp.jid.InvalidJidException;
import eu.siacs.conversations.xmpp.jid.Jid; import eu.siacs.conversations.xmpp.jid.Jid;
import static eu.siacs.conversations.crypto.axolotl.AxolotlService.AxolotlCapability.MISSING_PRESENCE;
public class ConversationActivity extends XmppActivity public class ConversationActivity extends XmppActivity
implements OnAccountUpdate, OnConversationUpdate, OnRosterUpdate, OnUpdateBlocklist, XmppConnectionService.OnShowErrorToast { implements OnAccountUpdate, OnConversationUpdate, OnRosterUpdate, OnUpdateBlocklist, XmppConnectionService.OnShowErrorToast {
@ -94,9 +92,12 @@ public class ConversationActivity extends XmppActivity
private static final String STATE_OPEN_CONVERSATION = "state_open_conversation"; private static final String STATE_OPEN_CONVERSATION = "state_open_conversation";
private static final String STATE_PANEL_OPEN = "state_panel_open"; private static final String STATE_PANEL_OPEN = "state_panel_open";
private static final String STATE_PENDING_URI = "state_pending_uri"; private static final String STATE_PENDING_URI = "state_pending_uri";
private static final String STATE_FIRST_VISIBLE = "first_visible";
private static final String STATE_OFFSET_FROM_TOP = "offset_from_top";
private String mOpenConverstaion = null; private String mOpenConversation = null;
private boolean mPanelOpen = true; private boolean mPanelOpen = true;
private Pair<Integer,Integer> mScrollPosition = null;
final private List<Uri> mPendingImageUris = new ArrayList<>(); final private List<Uri> mPendingImageUris = new ArrayList<>();
final private List<Uri> mPendingFileUris = new ArrayList<>(); final private List<Uri> mPendingFileUris = new ArrayList<>();
private Uri mPendingGeoUri = null; private Uri mPendingGeoUri = null;
@ -172,8 +173,16 @@ public class ConversationActivity extends XmppActivity
protected void onCreate(final Bundle savedInstanceState) { protected void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState); super.onCreate(savedInstanceState);
if (savedInstanceState != null) { if (savedInstanceState != null) {
mOpenConverstaion = savedInstanceState.getString(STATE_OPEN_CONVERSATION, null); mOpenConversation = savedInstanceState.getString(STATE_OPEN_CONVERSATION, null);
mPanelOpen = savedInstanceState.getBoolean(STATE_PANEL_OPEN, true); mPanelOpen = savedInstanceState.getBoolean(STATE_PANEL_OPEN, true);
int pos = savedInstanceState.getInt(STATE_FIRST_VISIBLE, -1);
int offset = savedInstanceState.getInt(STATE_OFFSET_FROM_TOP, 1);
if (pos >= 0 && offset <= 0) {
Log.d(Config.LOGTAG,"retrieved scroll position from instanceState "+pos+":"+offset);
mScrollPosition = new Pair<>(pos,offset);
} else {
mScrollPosition = null;
}
String pending = savedInstanceState.getString(STATE_PENDING_URI, null); String pending = savedInstanceState.getString(STATE_PENDING_URI, null);
if (pending != null) { if (pending != null) {
mPendingImageUris.clear(); mPendingImageUris.clear();
@ -1081,7 +1090,7 @@ public class ConversationActivity extends XmppActivity
@Override @Override
protected void onNewIntent(final Intent intent) { protected void onNewIntent(final Intent intent) {
if (intent != null && ACTION_VIEW_CONVERSATION.equals(intent.getAction())) { if (intent != null && ACTION_VIEW_CONVERSATION.equals(intent.getAction())) {
mOpenConverstaion = null; mOpenConversation = null;
if (xmppConnectionServiceBound) { if (xmppConnectionServiceBound) {
handleViewConversationIntent(intent); handleViewConversationIntent(intent);
intent.setAction(Intent.ACTION_MAIN); intent.setAction(Intent.ACTION_MAIN);
@ -1131,6 +1140,11 @@ public class ConversationActivity extends XmppActivity
Conversation conversation = getSelectedConversation(); Conversation conversation = getSelectedConversation();
if (conversation != null) { if (conversation != null) {
savedInstanceState.putString(STATE_OPEN_CONVERSATION, conversation.getUuid()); savedInstanceState.putString(STATE_OPEN_CONVERSATION, conversation.getUuid());
Pair<Integer,Integer> scrollPosition = mConversationFragment.getScrollPosition();
if (scrollPosition != null) {
savedInstanceState.putInt(STATE_FIRST_VISIBLE, scrollPosition.first);
savedInstanceState.putInt(STATE_OFFSET_FROM_TOP, scrollPosition.second);
}
} else { } else {
savedInstanceState.remove(STATE_OPEN_CONVERSATION); savedInstanceState.remove(STATE_OPEN_CONVERSATION);
} }
@ -1190,7 +1204,7 @@ public class ConversationActivity extends XmppActivity
} }
finish(); finish();
} }
} else if (selectConversationByUuid(mOpenConverstaion)) { } else if (selectConversationByUuid(mOpenConversation)) {
if (mPanelOpen) { if (mPanelOpen) {
showConversationsOverview(); showConversationsOverview();
} else { } else {
@ -1199,8 +1213,11 @@ public class ConversationActivity extends XmppActivity
updateActionBarTitle(true); updateActionBarTitle(true);
} }
} }
this.mConversationFragment.reInit(getSelectedConversation()); if (this.mConversationFragment.reInit(getSelectedConversation())) {
mOpenConverstaion = null; Log.d(Config.LOGTAG,"setting scroll position on fragment");
this.mConversationFragment.setScrollPosition(mScrollPosition);
}
mOpenConversation = null;
} else if (intent != null && ACTION_VIEW_CONVERSATION.equals(intent.getAction())) { } else if (intent != null && ACTION_VIEW_CONVERSATION.equals(intent.getAction())) {
clearPending(); clearPending();
handleViewConversationIntent(intent); handleViewConversationIntent(intent);

35
src/main/java/eu/siacs/conversations/ui/ConversationFragment.java
View File

@ -12,6 +12,8 @@ import android.content.IntentSender.SendIntentException;
import android.os.Bundle; import android.os.Bundle;
import android.os.Handler; import android.os.Handler;
import android.text.InputType; import android.text.InputType;
import android.util.Log;
import android.util.Pair;
import android.view.ContextMenu; import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo; import android.view.ContextMenu.ContextMenuInfo;
import android.view.Gravity; import android.view.Gravity;
@ -153,7 +155,11 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
View v = messagesView.getChildAt(0); View v = messagesView.getChildAt(0);
final int pxOffset = (v == null) ? 0 : v.getTop(); final int pxOffset = (v == null) ? 0 : v.getTop();
ConversationFragment.this.conversation.populateWithMessages(ConversationFragment.this.messageList); ConversationFragment.this.conversation.populateWithMessages(ConversationFragment.this.messageList);
updateStatusMessages(); try {
updateStatusMessages();
} catch (IllegalStateException e) {
Log.d(Config.LOGTAG,"caught illegal state exception while updating status messages");
}
messageListAdapter.notifyDataSetChanged(); messageListAdapter.notifyDataSetChanged();
int pos = Math.max(getIndexOf(uuid,messageList),0); int pos = Math.max(getIndexOf(uuid,messageList),0);
messagesView.setSelectionFromTop(pos, pxOffset); messagesView.setSelectionFromTop(pos, pxOffset);
@ -210,6 +216,28 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
} }
return -1; return -1;
} }
public Pair<Integer,Integer> getScrollPosition() {
if (this.messagesView.getCount() == 0 ||
this.messagesView.getLastVisiblePosition() == this.messagesView.getCount() - 1) {
return null;
} else {
final int pos = messagesView.getFirstVisiblePosition();
final View view = messagesView.getChildAt(0);
if (view == null) {
return null;
} else {
return new Pair<>(pos, view.getTop());
}
}
}
public void setScrollPosition(Pair<Integer,Integer> scrollPosition) {
if (scrollPosition != null) {
this.messagesView.setSelectionFromTop(scrollPosition.first, scrollPosition.second);
}
}
protected OnClickListener clickToDecryptListener = new OnClickListener() { protected OnClickListener clickToDecryptListener = new OnClickListener() {
@Override @Override
@ -736,9 +764,9 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
} }
} }
public void reInit(Conversation conversation) { public boolean reInit(Conversation conversation) {
if (conversation == null) { if (conversation == null) {
return; return false;
} }
this.activity = (ConversationActivity) getActivity(); this.activity = (ConversationActivity) getActivity();
setupIme(); setupIme();
@ -774,6 +802,7 @@ public class ConversationFragment extends Fragment implements EditMessage.Keyboa
pos = i < 0 ? bottom : i; pos = i < 0 ? bottom : i;
} }
messagesView.setSelection(pos); messagesView.setSelection(pos);
return pos == bottom;
} }
} }