1 files changed, 167 insertions, 0 deletions
diff --git a/app/src/main/java/net/lacolaco/smileessence/view/CustomListFragment.java b/app/src/main/java/net/lacolaco/smileessence/view/CustomListFragment.java
new file mode 100644
index 00000000..f6a683fe
--- /dev/null
+++ b/app/src/main/java/net/lacolaco/smileessence/view/CustomListFragment.java
@@ -0,0 +1,167 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2012-2014 lacolaco.net
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package net.lacolaco.smileessence.view;
+
+import android.app.Fragment;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.AbsListView;
+import android.widget.ListAdapter;
+import android.widget.ListView;
+
+import com.handmark.pulltorefresh.library.PullToRefreshBase;
+import com.handmark.pulltorefresh.library.PullToRefreshListView;
+
+import net.lacolaco.smileessence.R;
+import net.lacolaco.smileessence.activity.MainActivity;
+import net.lacolaco.smileessence.notification.Notificator;
+import net.lacolaco.smileessence.view.adapter.CustomListAdapter;
+
+public class CustomListFragment extends Fragment implements AbsListView.OnScrollListener,
+        PullToRefreshBase.OnRefreshListener2<ListView> {
+
+    // ------------------------------ FIELDS ------------------------------
+
+    public static final String ADAPTER_INDEX = "fragmentIndex";
+    public static final int SCROLL_DURATION = 1500;
+
+    private int fragmentIndex;
+
+    // --------------------- GETTER / SETTER METHODS ---------------------
+
+    protected PullToRefreshBase.Mode getRefreshMode() {
+        return PullToRefreshBase.Mode.DISABLED;
+    }
+
+    // ------------------------ INTERFACE METHODS ------------------------
+
+
+    // --------------------- Interface OnRefreshListener2 ---------------------
+
+    @Override
+    public void onPullDownToRefresh(PullToRefreshBase<ListView> refreshView) {
+
+    }
+
+    @Override
+    public void onPullUpToRefresh(PullToRefreshBase<ListView> refreshView) {
+
+    }
+
+    // --------------------- Interface OnScrollListener ---------------------
+
+    @Override
+    public void onScrollStateChanged(AbsListView absListView, int scrollState) {
+        Bundle args = getArguments();
+        fragmentIndex = args.getInt(ADAPTER_INDEX);
+        CustomListAdapter<?> adapter = getListAdapter(fragmentIndex);
+        adapter.setNotifiable(false);
+
+        if (absListView.getFirstVisiblePosition() == 0 && absListView.getChildAt(0) != null && absListView.getChildAt(0).getTop() == 0) {
+            if (scrollState == SCROLL_STATE_IDLE) {
+                updateListViewWithNotice(absListView, adapter, true);
+            }
+        }
+    }
+
+    @Override
+    public void onScroll(AbsListView absListView, int i, int i2, int i3) {
+    }
+
+    // ------------------------ OVERRIDE METHODS ------------------------
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        Bundle args = getArguments();
+        fragmentIndex = args.getInt(ADAPTER_INDEX);
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        View page = inflater.inflate(R.layout.fragment_list, container, false);
+        Bundle args = getArguments();
+        int fragmentIndex = args.getInt(ADAPTER_INDEX);
+        PullToRefreshListView listView = getListView(page);
+        ListAdapter adapter = getListAdapter(fragmentIndex);
+        listView.setAdapter(adapter);
+        listView.setOnScrollListener(this);
+        listView.setOnRefreshListener(this);
+        listView.setMode(getRefreshMode());
+        return page;
+    }
+
+    @Override
+    public void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+        outState.putInt(ADAPTER_INDEX, fragmentIndex);
+    }
+
+    @Override
+    public void onViewStateRestored(Bundle savedInstanceState) {
+        super.onViewStateRestored(savedInstanceState);
+        if (savedInstanceState != null) {
+            fragmentIndex = savedInstanceState.getInt(ADAPTER_INDEX);
+        }
+    }
+
+    protected CustomListAdapter<?> getListAdapter(int fragmentIndex) {
+        return ((MainActivity) getActivity()).getListAdapter(fragmentIndex);
+    }
+
+    protected PullToRefreshListView getListView(View page) {
+        return (PullToRefreshListView) page.findViewById(R.id.fragment_list_listview);
+    }
+
+    protected void notifyListUpdated(int increments) {
+        Notificator.publish(getActivity(), getString(R.string.notice_timeline_new, increments));
+    }
+
+    protected void updateListViewWithNotice(AbsListView absListView, CustomListAdapter<?> adapter, boolean addedToTop) {
+        int before = adapter.getCount();
+        adapter.notifyDataSetChanged(); // synchronized call (not adapter#updateForce())
+        int after = adapter.getCount();
+        int increments = after - before;
+        if (increments > 0) {
+            adapter.setNotifiable(false);
+            notifyListUpdated(increments);
+            if (addedToTop) {
+                absListView.setSelection(increments + 1);
+                absListView.smoothScrollToPositionFromTop(increments, 0);
+                absListView.setSelection(increments);
+            } else {
+                absListView.smoothScrollToPositionFromTop(before, 0);
+            }
+
+            if (increments == 1) {
+                adapter.setNotifiable(true);
+            }
+        } else {
+            adapter.setNotifiable(true);
+        }
+    }
+}