Update

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

@@ -15,24 +15,43 @@
 
 package com.hippo.ehviewer.widget;
 
+import android.animation.ObjectAnimator;
 import android.content.Context;
 import android.graphics.Typeface;
+import android.os.Build;
 import android.support.v7.widget.CardView;
+import android.text.TextUtils;
 import android.util.AttributeSet;
+import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.View;
+import android.view.inputmethod.EditorInfo;
+import android.view.inputmethod.InputMethodManager;
 import android.widget.TextView;
 
+import com.hippo.drawable.DrawerArrowDrawable;
 import com.hippo.ehviewer.R;
 import com.hippo.util.UiUtils;
+import com.hippo.util.ViewUtils;
+import com.hippo.widget.SimpleImageView;
 
-public class SearchBar extends CardView implements View.OnClickListener {
+public class SearchBar extends CardView implements View.OnClickListener,
+        TextView.OnEditorActionListener {
 
-    private View mMenuButton;
+    private static final long ANIMATION_TIME = 300;
+
+    private SimpleImageView mMenuButton;
     private TextView mLogoTextView;
+    private View mAdvanceButton;
+    private SearchEditText mEditText;
+    private View mSearchButton;
+
+    private DrawerArrowDrawable mDrawerArrowDrawable;
 
     private Helper mHelper;
 
+    private boolean mInEditMode = false;
+
     public SearchBar(Context context) {
         super(context);
         init(context);
@@ -51,14 +70,24 @@ public class SearchBar extends CardView implements View.OnClickListener {
     private void init(Context context) {
         setRadius(UiUtils.dp2pix(context, 2));
         setCardElevation(UiUtils.dp2pix(context, 2));
+        setOnClickListener(this);
 
         LayoutInflater.from(context).inflate(R.layout.widget_search_bar, this);
-        mMenuButton = getChildAt(0);
-        mLogoTextView = (TextView) getChildAt(1);
+        mMenuButton = (SimpleImageView) findViewById(R.id.menu);
+        mLogoTextView = (TextView) findViewById(R.id.logo);
+        mAdvanceButton = findViewById(R.id.advance_search);
+        mEditText = (SearchEditText) findViewById(R.id.search_edit_text);
+        mSearchButton = findViewById(R.id.search_action);
 
+        mDrawerArrowDrawable = new DrawerArrowDrawable(getContext());
+
+        mMenuButton.setDrawable(mDrawerArrowDrawable);
         mMenuButton.setOnClickListener(this);
-        mLogoTextView.setTypeface(Typeface.createFromAsset(context.getAssets(),
-                "fonts/Slabo.ttf"));
+        mLogoTextView.setTypeface(Typeface.createFromAsset(context.getAssets(), "fonts/Slabo.ttf"));
+        mAdvanceButton.setOnClickListener(this);
+        mEditText.setSearchBar(this);
+        mEditText.setOnEditorActionListener(this);
+        mSearchButton.setOnClickListener(this);
     }
 
     public void setHelper(Helper helper) {
@@ -67,14 +96,84 @@ public class SearchBar extends CardView implements View.OnClickListener {
 
     @Override
     public void onClick(View v) {
-        if (v == mMenuButton) {
-            if (mHelper != null) {
+        if (v == this) {
+            setInEditMode();
+        } else if (v == mMenuButton) {
+            if (mInEditMode) {
+                setInNormalMode();
+            } else {
                 mHelper.onClickMenu();
             }
+        } else if (v == mAdvanceButton) {
+            mHelper.onClickAdvance();
+        } else if (v == mSearchButton) {
+            String query = mEditText.getText().toString();
+            if (!TextUtils.isEmpty(query)) {
+                mHelper.onApplySearch(query);
+            }
+        }
+    }
+
+    @Override
+    public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
+        if (v == mEditText) {
+            if (actionId == EditorInfo.IME_ACTION_SEARCH || actionId == EditorInfo.IME_NULL) {
+                String query = mEditText.getText().toString();
+                if (!TextUtils.isEmpty(query)) {
+                    mHelper.onApplySearch(query);
+                }
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public void setInEditMode() {
+        if (!mInEditMode) {
+            mInEditMode = true;
+            setClickable(false);
+            ViewUtils.setVisibility(mLogoTextView, View.GONE);
+            ViewUtils.setVisibility(mAdvanceButton, View.GONE);
+            ViewUtils.setVisibility(mEditText, View.VISIBLE);
+            ViewUtils.setVisibility(mSearchButton, View.VISIBLE);
+            mEditText.requestFocus();
+            // show ime
+            InputMethodManager imm = (InputMethodManager) getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
+            imm.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0);
+            // start animator
+            ObjectAnimator oa = ObjectAnimator.ofFloat(mDrawerArrowDrawable, "progress", 0f, 1f);
+            oa.setDuration(ANIMATION_TIME);
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
+                oa.setAutoCancel(true);
+            }
+            oa.start();
+        }
+    }
+
+    public void setInNormalMode() {
+        if (mInEditMode) {
+            mInEditMode = false;
+            setOnClickListener(this);
+            ViewUtils.setVisibility(mLogoTextView, View.VISIBLE);
+            ViewUtils.setVisibility(mAdvanceButton, View.VISIBLE);
+            ViewUtils.setVisibility(mEditText, View.GONE);
+            ViewUtils.setVisibility(mSearchButton, View.GONE);
+            // hide ime
+            InputMethodManager imm = (InputMethodManager) getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
+            imm.hideSoftInputFromWindow(this.getWindowToken(), 0);
+            // start animator
+            ObjectAnimator oa = ObjectAnimator.ofFloat(mDrawerArrowDrawable, "progress", 1f, 0f);
+            oa.setDuration(ANIMATION_TIME);
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
+                oa.setAutoCancel(true);
+            }
+            oa.start();
         }
     }
 
     public interface Helper {
         void onClickMenu();
+        void onClickAdvance();
+        void onApplySearch(String query);
     }
 }