Add hint to search bar

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

@@ -0,0 +1,28 @@
+/*
+ * 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;
+
+import com.hippo.util.Messenger;
+
+public final class Constants {
+
+    public static final int MESSENGER_ID_SOURCE;
+
+    static {
+        Messenger messenger = Messenger.getInstance();
+        MESSENGER_ID_SOURCE = messenger.newId();
+    }
+}

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

@@ -47,6 +47,10 @@ public final class EhClient {
             "http://forums.e-hentai.org/index.php?act=Login&CODE=01";
     private static final String FORUMS_URL = "http://forums.e-hentai.org/index.php";
 
+    public static final String HOST_G = "G.E-Hentai";
+    public static final String HOST_EX = "ExHentai";
+    public static final String HOST_LOFI = "Lofi.E-Hentai";
+
     public static final String HEADER_G = "http://g.e-hentai.org/";
     public static final String HEADER_EX = "http://exhentai.org/";
     public static final String HEADER_LOFI = "http://lofi.e-hentai.org/";
@@ -74,8 +78,20 @@ public final class EhClient {
                 1L, TimeUnit.SECONDS, requestWorkQueue, threadFactory);
     }
 
-    public static String getUrlHeader(int mode) {
-        switch (mode) {
+    public static String getReadableHost(int source) {
+        switch (source) {
+            default:
+            case SOURCE_G:
+                return HOST_G;
+            case SOURCE_EX:
+                return HOST_EX;
+            case SOURCE_LOFI:
+                return HOST_LOFI;
+        }
+    }
+
+    public static String getUrlHeader(int source) {
+        switch (source) {
             default:
             case SOURCE_G:
                 return HEADER_G;

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

@@ -18,15 +18,20 @@ package com.hippo.ehviewer.widget;
 import android.animation.Animator;
 import android.animation.ObjectAnimator;
 import android.content.Context;
+import android.content.res.Resources;
 import android.graphics.Canvas;
 import android.graphics.Color;
 import android.graphics.Path;
+import android.graphics.drawable.Drawable;
 import android.os.Build;
 import android.support.annotation.NonNull;
 import android.support.v7.widget.CardView;
 import android.text.Editable;
+import android.text.Spannable;
+import android.text.SpannableStringBuilder;
 import android.text.TextUtils;
 import android.text.TextWatcher;
+import android.text.style.ImageSpan;
 import android.util.AttributeSet;
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
@@ -40,8 +45,11 @@ import android.widget.TextView;
 import com.hippo.animation.SimpleAnimatorListener;
 import com.hippo.drawable.AddDeleteDrawable;
 import com.hippo.drawable.DrawerArrowDrawable;
+import com.hippo.ehviewer.Constants;
 import com.hippo.ehviewer.R;
+import com.hippo.ehviewer.client.EhClient;
 import com.hippo.util.MathUtils;
+import com.hippo.util.Messenger;
 import com.hippo.util.UiUtils;
 import com.hippo.util.ViewUtils;
 import com.hippo.widget.SimpleImageView;
@@ -52,7 +60,7 @@ import java.util.List;
 
 public class SearchBar extends CardView implements View.OnClickListener,
         TextView.OnEditorActionListener, TextWatcher,
-        SearchEditText.SearchEditTextListener {
+        SearchEditText.SearchEditTextListener, Messenger.Receiver {
 
     private static final long ANIMATION_TIME = 300;
 
@@ -81,6 +89,8 @@ public class SearchBar extends CardView implements View.OnClickListener,
     private boolean mInAnimation = false;
     private boolean mFirstLayout = true;
 
+    private int mSource;
+
     public SearchBar(Context context) {
         super(context);
         init(context);
@@ -123,9 +133,25 @@ public class SearchBar extends CardView implements View.OnClickListener,
         mEditText.addTextChangedListener(this);
 
         mSuggestionList = new ArrayList<>();
+        // TODO
         mSuggestionAdapter = new ArrayAdapter<>(getContext(),
                 android.R.layout.simple_list_item_1, mSuggestionList);
         mList.setAdapter(mSuggestionAdapter);
+
+        // TODO get source from config
+        setSource(EhClient.SOURCE_EX);
+    }
+
+    @Override
+    public void onAttachedToWindow() {
+        super.onAttachedToWindow();
+        Messenger.getInstance().register(Constants.MESSENGER_ID_SOURCE, this);
+    }
+
+    @Override
+    public void onDetachedFromWindow() {
+        super.onDetachedFromWindow();
+        Messenger.getInstance().unregister(Constants.MESSENGER_ID_SOURCE, this);
     }
 
     private void updateSuggestions() {
@@ -136,6 +162,23 @@ public class SearchBar extends CardView implements View.OnClickListener,
         mSuggestionAdapter.notifyDataSetChanged();
     }
 
+    @SuppressWarnings({"deprecation", "ConstantConditions"})
+    public void setSource(int source) {
+        if (mSource != source) {
+            Resources resources = getContext().getResources();
+            Drawable searchImage = resources.getDrawable(R.drawable.ic_search);
+            SpannableStringBuilder ssb = new SpannableStringBuilder("   ");
+            ssb.append(String.format(resources.getString(R.string.search_bar_hint),
+                    EhClient.getReadableHost(source)));
+            int textSize = (int) (mEditText.getTextSize() * 1.25);
+            searchImage.setBounds(0, 0, textSize, textSize);
+            ssb.setSpan(new ImageSpan(searchImage), 1, 2, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
+            mEditText.setHint(ssb);
+
+            mSource = source;
+        }
+    }
+
     public void setHelper(Helper helper) {
         mHelper = helper;
     }
@@ -357,6 +400,16 @@ public class SearchBar extends CardView implements View.OnClickListener,
         mHelper.onBackPressed();
     }
 
+    @Override
+    public void onReceive(int id, Object obj) {
+        if (id == Constants.MESSENGER_ID_SOURCE) {
+            if (obj instanceof Integer) {
+                int source = (Integer) obj;
+                setSource(source);
+            }
+        }
+    }
+
     public interface Helper {
         void onClickTitle();
         void onClickMenu();

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

@@ -0,0 +1,35 @@
+/*
+ * 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.os.Handler;
+import android.os.Looper;
+
+public class AppHandler extends Handler {
+
+    private static Handler sInstance;
+
+    public static Handler getInstance() {
+        if (sInstance == null) {
+            sInstance = new AppHandler(Looper.getMainLooper());
+        }
+        return sInstance;
+    }
+
+    public AppHandler(Looper mainLooper) {
+        super(mainLooper);
+    }
+}

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

@@ -22,7 +22,7 @@ public final class IntIdGenerator {
         // Empty
     }
 
-    public int nextId() {
+    public synchronized int nextId() {
         return mId++;
     }
 

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

@@ -0,0 +1,85 @@
+/*
+ * 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.util.SparseArray;
+
+import java.util.HashSet;
+import java.util.Set;
+
+public class Messenger {
+
+    private IntIdGenerator mIdGenerator;
+
+    private SparseArray<Set<Receiver>> mReceiverSetMap;
+
+    private static Messenger sInstance;
+
+    public static Messenger getInstance() {
+        if (sInstance == null) {
+            sInstance = new Messenger();
+        }
+        return sInstance;
+    }
+
+    private Messenger() {
+        mIdGenerator = IntIdGenerator.create();
+        mReceiverSetMap = new SparseArray<>();
+    }
+
+    public int newId() {
+        return mIdGenerator.nextId();
+    }
+
+    public void notify(final int id, final Object obj) {
+        // Make sure do it in UI thread
+        AppHandler.getInstance().post(new Runnable() {
+            @Override
+            public void run() {
+                Set<Receiver> receiverSet = mReceiverSetMap.get(id);
+                if (receiverSet != null) {
+                    for (Receiver receiver : receiverSet) {
+                        receiver.onReceive(id, obj);
+                    }
+                }
+            }
+        });
+    }
+
+    public void register(int id, Receiver receiver) {
+        Set<Receiver> receiverSet = mReceiverSetMap.get(id);
+        if (receiverSet == null) {
+            receiverSet = new HashSet<>();
+            mReceiverSetMap.put(id, receiverSet);
+        }
+
+        receiverSet.add(receiver);
+    }
+
+    public void unregister(int id, Receiver receiver) {
+        Set<Receiver> receiverSet = mReceiverSetMap.get(id);
+        if (receiverSet != null) {
+            receiverSet.remove(receiver);
+            if (receiverSet.isEmpty()) {
+                mReceiverSetMap.remove(id);
+            }
+        }
+    }
+
+    public interface Receiver {
+        void onReceive(final int id, final Object obj);
+    }
+}