Update

app/src/main/java/com/hippo/ehviewer/Constants.java

@@ -21,10 +21,14 @@ public final class Constants {
 
     public static final int MESSENGER_ID_EH_SOURCE;
     public static final int MESSENGER_ID_SHOW_APP_STATUS;
+    public static final int MESSENGER_ID_SIGN_IN_OR_OUT;
+    public static final int MESSENGER_ID_USER_AVATAR;
 
     static {
         Messenger messenger = Messenger.getInstance();
         MESSENGER_ID_EH_SOURCE = messenger.newId();
         MESSENGER_ID_SHOW_APP_STATUS = messenger.newId();
+        MESSENGER_ID_SIGN_IN_OR_OUT = messenger.newId();
+        MESSENGER_ID_USER_AVATAR = messenger.newId();
     }
 }

app/src/main/java/com/hippo/ehviewer/client/EhClient.java

@@ -23,6 +23,8 @@ import com.hippo.ehviewer.network.EhHttpHelper;
 import com.hippo.network.ResponseCodeException;
 import com.hippo.util.PriorityThreadFactory;
 
+import org.json.JSONObject;
+
 import java.util.List;
 import java.util.concurrent.BlockingQueue;
 import java.util.concurrent.LinkedBlockingQueue;
@@ -30,6 +32,7 @@ import java.util.concurrent.ThreadFactory;
 import java.util.concurrent.ThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
 
+@SuppressWarnings("unchecked")
 public final class EhClient {
 
     @SuppressWarnings("unused")
@@ -107,10 +110,6 @@ public final class EhClient {
         void onFailure(Exception e);
     }
 
-    public abstract static class OnGetGalleryListListener implements EhClientListener {
-        public abstract void onSuccess(List<GalleryInfo> glList, int pageNum);
-    }
-
     private void doBgJob(BgJobHelper bjh) {
         new AsyncTask<BgJobHelper, Void, BgJobHelper>() {
             @Override
@@ -165,7 +164,6 @@ public final class EhClient {
         public abstract void doBgJob() throws Exception;
 
         public abstract void doSuccessCallback();
-
     }
 
     private void checkRequest(EhHttpHelper ehh) throws ResponseCodeException {
@@ -176,16 +174,21 @@ public final class EhClient {
     }
 
     private Object[] doGetGalleryList(int source, String url) throws Exception {
-        EhHttpHelper ehh = new EhHttpHelper();
+        EhHttpHelper ehh = EhHttpHelper.obtain();
         String body = ehh.get(url);
 
         checkRequest(ehh);
+        EhHttpHelper.recycle(ehh);
 
-        ListParser parser = new ListParser();
+        GalleryListParser parser = new GalleryListParser();
         parser.parse(body, source);
         return new Object[]{parser.giList, parser.pageNum};
     }
 
+    public abstract static class OnGetGalleryListListener implements EhClientListener {
+        public abstract void onSuccess(List<GalleryInfo> glList, int pageNum);
+    }
+
     private final class GetGalleryListHelper extends SimpleBgJobHelper {
 
         private int mSource;
@@ -227,4 +230,57 @@ public final class EhClient {
         doBgJob(new GetGalleryListHelper(source, url, listener));
     }
 
+    private Object[] doGetPopular() throws Exception {
+        final JSONObject json = new JSONObject();
+        json.put("method", "popular");
+
+        EhHttpHelper ehh = EhHttpHelper.obtain();
+        String body = ehh.postJson(API_EHVIEWER, json);
+
+        checkRequest(ehh);
+        EhHttpHelper.recycle(ehh);
+
+        PopularParser parser = new PopularParser();
+        parser.parse(body);
+        return new Object[]{parser.galleryInfoList, parser.timeStamp};
+    }
+
+    public abstract static class OnGetPopularListener implements EhClientListener {
+        public abstract void onSuccess(List<GalleryInfo> giList, long timeStamp);
+    }
+
+
+    private final class GetPopularHelper extends SimpleBgJobHelper {
+
+        private OnGetPopularListener mListener;
+
+        private List<GalleryInfo> mGiList;
+        private long mTimeStamp;
+
+        public GetPopularHelper(OnGetPopularListener listener) {
+            super(listener);
+            mListener = listener;
+        }
+
+        @Override
+        public void doBgJob() throws Exception {
+            Object[] objs = doGetPopular();
+            mGiList = (List<GalleryInfo>) objs[0];
+            mTimeStamp = (Long) objs[1];
+        }
+
+        @Override
+        public void doSuccessCallback() {
+            mListener.onSuccess(mGiList, mTimeStamp);
+        }
+    }
+
+    /**
+     * Get popular gallery list
+     *
+     * @param listener the listener for callback
+     */
+    public void getPopular(OnGetPopularListener listener) {
+        doBgJob(new GetPopularHelper(listener));
+    }
 }

app/src/main/java/com/hippo/ehviewer/client/GalleryListParser.java

@@ -27,7 +27,7 @@ import java.util.List;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
-public class ListParser {
+public class GalleryListParser {
     private static final String PARSE_MESSAGE = "Gallery list parser error";
 
     private static final int DEFAULT_LIST_SIZE = 25;

app/src/main/java/com/hippo/ehviewer/client/PopularParser.java

@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2015 Hippo Seven
+ *
+ * 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
+ * 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.hippo.ehviewer.client;
+
+import com.hippo.ehviewer.data.GalleryInfo;
+import com.hippo.ehviewer.util.EhUtils;
+import com.hippo.util.Utils;
+
+import org.json.JSONArray;
+import org.json.JSONObject;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class PopularParser {
+
+    public List<GalleryInfo> galleryInfoList;
+    public long timeStamp;
+
+    public void parse(String body) throws Exception {
+        galleryInfoList = new ArrayList<>();
+        JSONObject js = new JSONObject(body);
+        js = js.getJSONObject("popular");
+
+        if (!js.has("galleries")) {
+            if (js.has("error")) {
+                throw new EhException(js.getString("error"));
+            } else {
+                throw new EhException("Parser error"); // TODO
+            }
+        }
+
+        JSONArray ja = js.getJSONArray("galleries");
+        for (int i = 0; i < ja.length(); i++) {
+            JSONObject j = ja.getJSONObject(i);
+            GalleryInfo gi = new GalleryInfo();
+            gi.gid = j.getInt("gid");
+            gi.token = j.getString("token");
+            gi.title = Utils.unescapeXml(j.getString("title"));
+            gi.posted = EhUtils.formatPostDate(Long.parseLong(j.getString("posted")) * 1000);
+            gi.thumb = j.getString("thumb");
+            gi.category = EhUtils.getCategory(j.getString("category"));
+            gi.uploader = j.getString("uploader");
+            gi.rating = Float.parseFloat(j.getString("rating"));
+            gi.generateSLang();
+            galleryInfoList.add(gi);
+        }
+
+        if (js.has("time")) {
+            timeStamp = js.getLong("time");
+        } else {
+            timeStamp = -1;
+        }
+    }
+}

app/src/main/java/com/hippo/ehviewer/ui/ContentActivity.java

@@ -23,6 +23,8 @@ import android.os.Bundle;
 import android.support.annotation.NonNull;
 import android.support.v4.widget.DrawerLayout;
 import android.view.Gravity;
+import android.view.View;
+import android.widget.AdapterView;
 
 import com.hippo.content.VectorContext;
 import com.hippo.ehviewer.R;
@@ -30,6 +32,7 @@ import com.hippo.ehviewer.ui.scene.GalleryListScene;
 import com.hippo.ehviewer.util.Config;
 import com.hippo.ehviewer.widget.DrawerLeftPanel;
 import com.hippo.ehviewer.widget.StatusBarLayout;
+import com.hippo.scene.Announcer;
 import com.hippo.scene.StageActivity;
 import com.hippo.scene.StageLayout;
 import com.hippo.widget.DrawerListView;
@@ -37,6 +40,14 @@ import com.hippo.widget.DrawerListView;
 public class ContentActivity extends StageActivity
         implements StatusBarLayout.OnGetFitPaddingBottomListener {
 
+    public static final int DRAWER_LIST_NONE = -1;
+    public static final int DRAWER_LIST_HOMEPAGE = 0;
+    public static final int DRAWER_LIST_WHATS_HOT = 1;
+    public static final int DRAWER_LIST_HISTORY = 2;
+    public static final int DRAWER_LIST_FAVORITE = 3;
+    public static final int DRAWER_LIST_DOWNLOAD = 4;
+    public static final int DRAWER_LIST_SETTINGS = 5;
+
     private Resources mResources;
 
     private DrawerLayout mDrawerLayout;
@@ -45,11 +56,43 @@ public class ContentActivity extends StageActivity
     private DrawerLeftPanel mDrawerLeftPanel;
     private DrawerListView mDrawerListView;
 
+    private AdapterView.OnItemClickListener mDrawerListListener = new AdapterView.OnItemClickListener() {
+        @Override
+        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
+            if (mDrawerListView.getActivatedPosition() != position) {
+                Announcer announcer;
+                switch (position) {
+                    case DRAWER_LIST_HOMEPAGE:
+                        announcer = new Announcer();
+                        announcer.putExtra(GalleryListScene.KEY_MODE, GalleryListScene.MODE_HOMEPAGE);
+                        startScene(GalleryListScene.class, announcer);
+                        break;
+                    case DRAWER_LIST_WHATS_HOT:
+                        announcer = new Announcer();
+                        announcer.putExtra(GalleryListScene.KEY_MODE, GalleryListScene.MODE_POPULAR);
+                        startScene(GalleryListScene.class, announcer);
+                        break;
+                    case DRAWER_LIST_HISTORY:
+                        break;
+                    case DRAWER_LIST_FAVORITE:
+                        break;
+                    case DRAWER_LIST_DOWNLOAD:
+                        break;
+                    case DRAWER_LIST_SETTINGS:
+                        break;
+                }
+
+                mDrawerLayout.closeDrawers();
+            }
+        }
+    };
+
     @Override
     protected boolean isShowStats() {
         return Config.getShowApplicationStats();
     }
 
+    @SuppressWarnings("deprecation")
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -83,11 +126,11 @@ public class ContentActivity extends StageActivity
                 mResources.getString(R.string.settings)
         };
         mDrawerListView.setData(drawerListDrawables, drawerListStrings);
+        mDrawerListView.setOnItemClickListener(mDrawerListListener);
 
         // First time
         if (savedInstanceState == null) {
             startScene(GalleryListScene.class, null);
-            mDrawerListView.setActivatedPosition(0);
         }
     }
 
@@ -101,6 +144,20 @@ public class ContentActivity extends StageActivity
         super.attachBaseContext(VectorContext.wrapContext(newBase));
     }
 
+    @SuppressLint("RtlHardcoded")
+    @Override
+    public void onBackPressed() {
+        if (mDrawerLayout.isDrawerOpen(Gravity.LEFT) || mDrawerLayout.isDrawerOpen(Gravity.RIGHT)) {
+            mDrawerLayout.closeDrawers();
+        } else {
+            super.onBackPressed();
+        }
+    }
+
+    public void setDrawerListActivatedPosition(int position) {
+        mDrawerListView.setActivatedPosition(position);
+    }
+
     @SuppressLint("RtlHardcoded")
     public void toggleDrawer() {
         if (mDrawerLayout.isDrawerOpen(Gravity.LEFT) || mDrawerLayout.isDrawerOpen(Gravity.RIGHT)) {

app/src/main/java/com/hippo/ehviewer/ui/scene/GalleryListScene.java

@@ -47,7 +47,7 @@ import com.hippo.drawable.AddDeleteDrawable;
 import com.hippo.effect.ViewTransition;
 import com.hippo.ehviewer.R;
 import com.hippo.ehviewer.client.EhClient;
-import com.hippo.ehviewer.client.ListParser;
+import com.hippo.ehviewer.client.GalleryListParser;
 import com.hippo.ehviewer.data.GalleryInfo;
 import com.hippo.ehviewer.data.ListUrlBuilder;
 import com.hippo.ehviewer.data.UnsupportedSearchException;
@@ -60,6 +60,7 @@ import com.hippo.ehviewer.widget.RatingView;
 import com.hippo.ehviewer.widget.SearchBar;
 import com.hippo.ehviewer.widget.SearchDatabase;
 import com.hippo.ehviewer.widget.SearchLayout;
+import com.hippo.scene.Announcer;
 import com.hippo.scene.Scene;
 import com.hippo.scene.SimpleDialog;
 import com.hippo.util.AnimationUtils;
@@ -79,6 +80,11 @@ public class GalleryListScene extends Scene implements SearchBar.Helper,
         View.OnClickListener, FabLayout.OnCancelListener,
         SearchLayout.SearhLayoutHelper {
 
+    public static final String KEY_MODE = "mode";
+
+    public static final int MODE_HOMEPAGE = 0;
+    public static final int MODE_POPULAR = 1;
+
     private static final long ANIMATE_TIME = 300l;
 
     private final static int STATE_NORMAL = 0;
@@ -179,6 +185,11 @@ public class GalleryListScene extends Scene implements SearchBar.Helper,
                 }
             };
 
+    @Override
+    public int getLaunchMode() {
+        return LAUNCH_MODE_SINGLE_TOP;
+    }
+
     @Override
     protected void onReplace(@NonNull Scene oldScene) {
         super.onReplace(oldScene);
@@ -188,6 +199,39 @@ public class GalleryListScene extends Scene implements SearchBar.Helper,
                 .newInstance(getStageActivity());
     }
 
+    private void handleAnnouncer(Announcer announcer) {
+        int mode = MODE_HOMEPAGE;
+        if (announcer != null) {
+            mode = announcer.getIntExtra(KEY_MODE, MODE_HOMEPAGE);
+        }
+
+        switch (mode) {
+            default:
+            case MODE_HOMEPAGE:
+                mActivity.setDrawerListActivatedPosition(ContentActivity.DRAWER_LIST_HOMEPAGE);
+                mListUrlBuilder.setMode(ListUrlBuilder.MODE_NORMAL);
+                break;
+            case MODE_POPULAR:
+                mActivity.setDrawerListActivatedPosition(ContentActivity.DRAWER_LIST_WHATS_HOT);
+                mListUrlBuilder.setMode(ListUrlBuilder.MODE_POPULAR);
+                break;
+        }
+
+        if (announcer == null) {
+            mGalleryListHelper.firstRefresh();
+        } else {
+            showSearchBar(true);
+            mGalleryListHelper.refresh();
+        }
+    }
+
+    @Override
+    protected void onNewAnnouncer(Announcer announcer) {
+        super.onNewAnnouncer(announcer);
+
+        handleAnnouncer(announcer);
+    }
+
     @SuppressWarnings("deprecation")
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
@@ -223,8 +267,7 @@ public class GalleryListScene extends Scene implements SearchBar.Helper,
                 ViewUtils.removeOnGlobalLayoutListener(mSearchBar.getViewTreeObserver(), this);
                 mSearchBarOriginalTop = mSearchBar.getTop();
                 mSearchBarOriginalBottom = mSearchBar.getBottom();
-                int fitPaddingTop = mSearchBar.getHeight() +
-                        mResources.getDimensionPixelOffset(R.dimen.search_bar_padding_vertical);
+                int fitPaddingTop = mSearchBar.getHeight() + mResources.getDimensionPixelOffset(R.dimen.search_bar_padding_vertical);
                 mContentLayout.setFitPaddingTop(fitPaddingTop);
                 mSearchLayout.setFitPaddingTop(fitPaddingTop);
             }
@@ -255,7 +298,7 @@ public class GalleryListScene extends Scene implements SearchBar.Helper,
 
         // When scene start
         if (savedInstanceState == null) {
-            mGalleryListHelper.firstRefresh();
+            handleAnnouncer(getAnnouncer());
         }
     }
 
@@ -447,6 +490,8 @@ public class GalleryListScene extends Scene implements SearchBar.Helper,
             return;
         }
 
+        mActivity.setDrawerListActivatedPosition(ContentActivity.DRAWER_LIST_NONE);
+
         mSearchDatabase.addQuery(query);
 
         if (mViewTransition.getShownViewIndex() == 0) {
@@ -463,7 +508,7 @@ public class GalleryListScene extends Scene implements SearchBar.Helper,
         mState = STATE_NORMAL;
         mViewTransition.showView(0);
         mSearchBar.setState(SearchBar.STATE_NORMAL);
-        returnSearchBarPosition();
+        showSearchBar(true);
         setFabState(FAB_STATE_NORMAL);
 
         mGalleryListHelper.refresh();
@@ -486,17 +531,19 @@ public class GalleryListScene extends Scene implements SearchBar.Helper,
         int offset = mSearchBarOriginalTop - mSearchBar.getTop();
         if (offset != 0) {
             if (animation) {
+                final boolean needRequestLayout = mSearchBar.getBottom() <= 0 && offset > 0;
                 final ValueAnimator va = ValueAnimator.ofInt(0, offset);
                 va.setDuration(ANIMATE_TIME);
                 va.addListener(new SimpleAnimatorListener() {
                     @Override
-                    public void onAnimationEnd(Animator animation) {
+                    public void onAnimationEnd(Animator animation, boolean canceled) {
+                        super.onAnimationEnd(animation, canceled);
                         mSearchBarMoveAnimator = null;
                     }
                 });
                 va.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
                     int lastValue;
-
+                    boolean hasRequestLayout;
                     @Override
                     public void onAnimationUpdate(ValueAnimator animation) {
                         int value = (Integer) animation.getAnimatedValue();
@@ -504,8 +551,16 @@ public class GalleryListScene extends Scene implements SearchBar.Helper,
                         lastValue = value;
                         mSearchBar.offsetTopAndBottom(offsetStep);
                         ((OffsetLayout.LayoutParams) mSearchBar.getLayoutParams()).offsetY += offsetStep;
+
+                        if (!hasRequestLayout && needRequestLayout && mSearchBar.getBottom() > 0) {
+                            hasRequestLayout = true;
+                            mSearchBar.requestLayout();
+                        }
                     }
                 });
+                if (mSearchBarMoveAnimator != null) {
+                    mSearchBarMoveAnimator.cancel();
+                }
                 mSearchBarMoveAnimator = va;
                 va.start();
             } else {
@@ -646,7 +701,7 @@ public class GalleryListScene extends Scene implements SearchBar.Helper,
 
         private LayoutInflater mInflater;
 
-        private GalleryListListener mLastGalleryListListener;
+        private GalleryListHelperSettable mListener;
 
         private Runnable mSearchBarPositionTask = new Runnable() {
             @Override
@@ -663,9 +718,9 @@ public class GalleryListScene extends Scene implements SearchBar.Helper,
         private GalleryListHelper(Context context, GalleryListHelper oldContentHelper) {
             super(context, oldContentHelper);
             // Update gallery listener
-            mLastGalleryListListener = oldContentHelper.mLastGalleryListListener;
-            if (mLastGalleryListListener != null) {
-                mLastGalleryListListener.setGalleryListHelper(this);
+            mListener = oldContentHelper.mListener;
+            if (mListener != null) {
+                mListener.setGalleryListHelper(this);
             }
             init();
         }
@@ -678,9 +733,9 @@ public class GalleryListScene extends Scene implements SearchBar.Helper,
             mInflater = mActivity.getLayoutInflater();
         }
 
-        private void clearLastGalleryListListener(GalleryListListener listener) {
-            if (mLastGalleryListListener == listener) {
-                mLastGalleryListListener = null;
+        private void clearLastGalleryListHelperSettable(GalleryListHelperSettable listener) {
+            if (mListener == listener) {
+                mListener = null;
             }
         }
 
@@ -708,17 +763,25 @@ public class GalleryListScene extends Scene implements SearchBar.Helper,
 
         @Override
         protected void getPageData(int taskId, int type, int page) {
-            try {
-                int source = Config.getEhSource();
-                mListUrlBuilder.setPageIndex(page);
-                String url =  mListUrlBuilder.build(source);
-                GalleryListListener listener = new GalleryListListener(taskId, type,
-                        page, source);
+            int mode = mListUrlBuilder.getMode();
+            if (mode == ListUrlBuilder.MODE_POPULAR) {
+                PopularListener listener = new PopularListener(taskId);
                 listener.setGalleryListHelper(this);
-                mLastGalleryListListener = listener;
-                EhClient.getInstance().getGalleryList(source, url, listener);
-            } catch (UnsupportedSearchException e) {
-                onGetPageData(taskId, e);
+                mListener = listener;
+                EhClient.getInstance().getPopular(listener);
+            } else {
+                try {
+                    int source = Config.getEhSource();
+                    mListUrlBuilder.setPageIndex(page);
+                    String url =  mListUrlBuilder.build(source);
+                    GalleryListListener listener = new GalleryListListener(taskId,
+                            type, page, source);
+                    listener.setGalleryListHelper(this);
+                    mListener = listener;
+                    EhClient.getInstance().getGalleryList(source, url, listener);
+                } catch (UnsupportedSearchException e) {
+                    onGetPageData(taskId, e);
+                }
             }
         }
 
@@ -746,7 +809,8 @@ public class GalleryListScene extends Scene implements SearchBar.Helper,
         }
     }
 
-    private static class GalleryListListener extends EhClient.OnGetGalleryListListener {
+    private static class GalleryListListener extends EhClient.OnGetGalleryListListener
+            implements GalleryListHelperSettable {
 
         private int mTaskId;
         private int mTaskType;
@@ -762,6 +826,7 @@ public class GalleryListScene extends Scene implements SearchBar.Helper,
             mSource = source;
         }
 
+        @Override
         public void setGalleryListHelper(GalleryListHelper helper) {
             mHelper = helper;
         }
@@ -770,7 +835,7 @@ public class GalleryListScene extends Scene implements SearchBar.Helper,
         public void onSuccess(List<GalleryInfo> glList, int pageNum) {
             if (mHelper != null) {
                 if (mSource == EhClient.SOURCE_LOFI) {
-                    if (pageNum == ListParser.CURRENT_PAGE_IS_LAST) {
+                    if (pageNum == GalleryListParser.CURRENT_PAGE_IS_LAST) {
                         mHelper.setPageSize(mTargetPage);
                     } else if (mTaskType == ContentLayout.ContentHelper.TYPE_REFRESH) {
                         mHelper.setPageSize(Integer.MAX_VALUE);
@@ -780,7 +845,7 @@ public class GalleryListScene extends Scene implements SearchBar.Helper,
                 }
                 mHelper.onGetPageData(mTaskId, glList);
 
-                mHelper.clearLastGalleryListListener(this);
+                mHelper.clearLastGalleryListHelperSettable(this);
             }
         }
 
@@ -789,8 +854,47 @@ public class GalleryListScene extends Scene implements SearchBar.Helper,
             if (mHelper != null) {
                 mHelper.onGetPageData(mTaskId, e);
 
-                mHelper.clearLastGalleryListListener(this);
+                mHelper.clearLastGalleryListHelperSettable(this);
             }
         }
     }
+
+    private static class PopularListener extends EhClient.OnGetPopularListener
+            implements GalleryListHelperSettable {
+
+        private int mTaskId;
+        private GalleryListHelper mHelper;
+
+        public PopularListener(int taskId) {
+            mTaskId = taskId;
+        }
+
+        @Override
+        public void setGalleryListHelper(GalleryListHelper helper) {
+            mHelper = helper;
+        }
+
+        @Override
+        public void onSuccess(List<GalleryInfo> glList, long timeStamp) {
+            if (mHelper != null) {
+                mHelper.setPageSize(1);
+                mHelper.onGetPageData(mTaskId, glList);
+
+                mHelper.clearLastGalleryListHelperSettable(this);
+            }
+        }
+
+        @Override
+        public void onFailure(Exception e) {
+            if (mHelper != null) {
+                mHelper.onGetPageData(mTaskId, e);
+
+                mHelper.clearLastGalleryListHelperSettable(this);
+            }
+        }
+    }
+
+    private interface GalleryListHelperSettable {
+        void setGalleryListHelper(GalleryListHelper helper);
+    }
 }

app/src/main/java/com/hippo/ehviewer/util/EhUtils.java

@@ -17,8 +17,14 @@ package com.hippo.ehviewer.util;
 
 import android.graphics.Color;
 
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.Locale;
+
 public final class EhUtils {
 
+    public static final DateFormat POST_DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd HH:mm", Locale.getDefault());
+
     public static final String EH_DOWNLOAD_FILENAME = ".ehviewer";
 
     public static final int NONE = -1; // Use it for homepage
@@ -119,4 +125,8 @@ public final class EhUtils {
                 return BG_COLOR_UNKNOWN;
         }
     }
+
+    public static String formatPostDate(long date) {
+        return POST_DATE_FORMAT.format(date);
+    }
 }

app/src/main/java/com/hippo/ehviewer/widget/DrawerLeftPanel.java

@@ -18,6 +18,7 @@ package com.hippo.ehviewer.widget;
 import android.content.Context;
 import android.content.res.TypedArray;
 import android.graphics.Rect;
+import android.net.Uri;
 import android.os.Bundle;
 import android.os.Parcelable;
 import android.support.annotation.NonNull;
@@ -30,7 +31,10 @@ import android.widget.TextView;
 
 import com.facebook.drawee.view.SimpleDraweeView;
 import com.hippo.effect.ripple.RippleSalon;
+import com.hippo.ehviewer.Constants;
 import com.hippo.ehviewer.R;
+import com.hippo.util.FrescoUtils;
+import com.hippo.util.Messenger;
 import com.hippo.widget.DrawerListView;
 
 public class DrawerLeftPanel extends LinearLayout {
@@ -40,6 +44,8 @@ public class DrawerLeftPanel extends LinearLayout {
 
     private static final int[] MAX_ATTRS = {android.R.attr.maxWidth};
 
+    private static Uri DEFAULT_AVATAR_URI = FrescoUtils.getResourcesDrawableUri(R.drawable.default_avatar);
+
     private int mMaxWidth = -1;
 
     private ViewGroup mSuperUserPanel;
@@ -57,6 +63,32 @@ public class DrawerLeftPanel extends LinearLayout {
     private int mUserPanelOriginalPaddingTop;
     private int mDrawerListViewOriginalPaddingBottom;
 
+    private boolean mSignIn;
+
+    private Messenger.Receiver mMessengerReceiver = new Messenger.Receiver() {
+        @Override
+        public void onReceive(int id, Object obj) {
+            if (id == Constants.MESSENGER_ID_SIGN_IN_OR_OUT) {
+                if (obj == null) {
+                    // Sign out
+                    mSignIn = false;
+                    mAvatar.setImageURI(DEFAULT_AVATAR_URI);
+                    mUsename.setText("");
+                    mAction.setText(mContext.getString(R.string.signin));
+                } else if (obj instanceof String) {
+                    // Sign in
+                    mSignIn = true;
+                    mUsename.setText((String) obj);
+                    mAction.setText(mContext.getString(R.string.signout));
+                }
+            } else if (id == Constants.MESSENGER_ID_USER_AVATAR) {
+                if (mSignIn && obj instanceof Uri) {
+                    mAvatar.setImageURI((Uri) obj);
+                }
+            }
+        }
+    };
+
     public DrawerLeftPanel(Context context, AttributeSet attrs) {
         super(context, attrs);
         init(context, attrs);
@@ -86,9 +118,9 @@ public class DrawerLeftPanel extends LinearLayout {
 
         RippleSalon.addRipple(mAction, false);
 
-        mAvatar.getHierarchy().setPlaceholderImage(R.drawable.theme_primary);
-        mUsename.setText("速度速度加快");
-        mAction.setText("退出");
+        mAvatar.setImageURI(DEFAULT_AVATAR_URI);
+        mUsename.setText("");
+        mAction.setText(mContext.getString(R.string.signin));
 
         mSuperUserPanelHeight = mSuperUserPanel.getLayoutParams().height;
         mUserPanelOriginalPaddingTop = mUserPanel.getPaddingTop();
@@ -99,6 +131,24 @@ public class DrawerLeftPanel extends LinearLayout {
         return mDrawerListView;
     }
 
+    @Override
+    protected void onAttachedToWindow() {
+        super.onAttachedToWindow();
+
+        Messenger.getInstance().register(Constants.MESSENGER_ID_SIGN_IN_OR_OUT, mMessengerReceiver);
+        Messenger.getInstance().register(Constants.MESSENGER_ID_USER_AVATAR, mMessengerReceiver);
+    }
+
+    @Override
+    protected void onDetachedFromWindow() {
+        super.onDetachedFromWindow();
+
+        Messenger.getInstance().unregister(Constants.MESSENGER_ID_SIGN_IN_OR_OUT, mMessengerReceiver);
+        Messenger.getInstance().register(Constants.MESSENGER_ID_USER_AVATAR, mMessengerReceiver);
+    }
+
+
+
     @Override
     public Parcelable onSaveInstanceState() {
         final Bundle state = new Bundle();

app/src/main/java/com/hippo/scene/Scene.java

@@ -40,6 +40,9 @@ import com.hippo.util.ViewUtils;
  */
 public abstract class Scene {
 
+    public static final int LAUNCH_MODE_STANDARD = 0;
+    public static final int LAUNCH_MODE_SINGLE_TOP = 1;
+
     static final int SCENE_STATE_CREATE = 0;
     static final int SCENE_STATE_RUN = 1;
     static final int SCENE_STATE_DESTROY = 2;
@@ -86,7 +89,7 @@ public abstract class Scene {
         return mCurtain;
     }
 
-    @Nullable Announcer getAnnouncer() {
+    public @Nullable Announcer getAnnouncer() {
         return mAnnouncer;
     }
 
@@ -97,6 +100,10 @@ public abstract class Scene {
         return stageActivity;
     }
 
+    public int getLaunchMode() {
+        return LAUNCH_MODE_STANDARD;
+    }
+
     /**
      * You will get null before onCreate and after onDestroy mostly
      *
@@ -257,6 +264,9 @@ public abstract class Scene {
         mCurtain = oldScene.mCurtain;
     }
 
+    protected void onNewAnnouncer(Announcer announcer) {
+    }
+
     /**
      * It will be called if nav bar is transparent.
      * @param b the nav bar's height

app/src/main/java/com/hippo/scene/SceneManager.java

@@ -76,6 +76,13 @@ class SceneManager {
             return;
         }
 
+        Scene topScene = getTopState();
+        if (sceneClass.isInstance(topScene) &&
+                topScene.getLaunchMode() == Scene.LAUNCH_MODE_SINGLE_TOP) {
+            topScene.onNewAnnouncer(announcer);
+            return;
+        }
+
         Scene scene = createSceneByClass(sceneClass);
         scene.setAnnouncer(announcer);
         scene.setCurtain(curtain);

app/src/main/java/com/hippo/util/FrescoUtils.java

@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2015 Hippo Seven
+ *
+ * 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
+ * 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.hippo.util;
+
+import android.annotation.IdRes;
+import android.net.Uri;
+
+import com.facebook.common.util.UriUtil;
+
+public class FrescoUtils {
+
+    public static Uri getResourcesDrawableUri(@IdRes int resId) {
+        return new Uri.Builder().scheme(UriUtil.LOCAL_RESOURCE_SCHEME)
+                .path(String.valueOf(resId)).build();
+    }
+}