Update

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

@@ -0,0 +1,177 @@
+/*
+ * 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.widget;
+
+import android.annotation.TargetApi;
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.os.Build;
+import android.os.Bundle;
+import android.os.Parcelable;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import com.hippo.effect.ripple.RippleSalon;
+import com.hippo.ehviewer.R;
+import com.hippo.util.ViewUtils;
+import com.larvalabs.svgandroid.SVG;
+import com.larvalabs.svgandroid.SVGBuilder;
+
+import org.jetbrains.annotations.NotNull;
+
+public class SelectSearchImageLayout extends LinearLayout implements View.OnClickListener{
+
+    private static final String STATE_KEY_SUPER = "super";
+    private static final String STATE_KEY_PATH = "path";
+
+    private TextView mButtonSelect;
+    private TextView mTextPath;
+    private ImageView mImagePreview;
+
+    private String mSelectedPath;
+    private Bitmap mSelectedImage;
+
+    private SelectSearchImageLayoutHelper mHelper;
+
+    public SelectSearchImageLayout(Context context) {
+        super(context);
+        init(context);
+    }
+
+    public SelectSearchImageLayout(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        init(context);
+    }
+
+    @TargetApi(Build.VERSION_CODES.HONEYCOMB)
+    public SelectSearchImageLayout(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        init(context);
+    }
+
+    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
+    public SelectSearchImageLayout(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
+        init(context);
+    }
+
+    private void init(Context context) {
+        LayoutInflater.from(context).inflate(R.layout.widget_select_search_image_layout, this);
+
+        // TODO It is a bad idea.
+        int childCount = getChildCount();
+        if (childCount == 3) {
+            setOrientation(LinearLayout.VERTICAL);
+        } else if (childCount == 2) {
+            setOrientation(LinearLayout.HORIZONTAL);
+        } else {
+            throw new IllegalStateException("Can't guess orientation, did you changed the layout res ?");
+        }
+
+        mButtonSelect = (TextView) findViewById(R.id.search_select_image_action);
+        mTextPath = (TextView) findViewById(R.id.search_select_image_path);
+        mImagePreview = (ImageView) findViewById(R.id.search_select_image_image);
+
+        RippleSalon.addRipple(mButtonSelect, false);
+        mButtonSelect.setOnClickListener(this);
+
+        ViewUtils.removeHardwareAccelerationSupport(mImagePreview);
+        SVG svg = new SVGBuilder().readFromResource(getResources(), R.raw.file_image).build();
+        mImagePreview.setImageDrawable(svg.getDrawable());
+    }
+
+    public void setHelper(SelectSearchImageLayoutHelper helper) {
+        mHelper = helper;
+    }
+
+    private void setImagePreview(String imagePath) {
+        if (mSelectedImage != null && !mSelectedImage.isRecycled()) {
+            mSelectedImage.isRecycled();
+        }
+        mSelectedImage = BitmapFactory.decodeFile(imagePath);
+        if (mSelectedImage != null) {
+            mImagePreview.setImageBitmap(mSelectedImage);
+        } else {
+            SVG svg = new SVGBuilder().readFromResource(getResources(), R.raw.file_image_off).build();
+            mImagePreview.setImageDrawable(svg.getDrawable());
+        }
+    }
+
+    public void onSelectImage(@NotNull String selectPath) {
+        mSelectedPath = selectPath;
+
+        mTextPath.setText(selectPath);
+        setImagePreview(selectPath);
+
+        ViewUtils.setVisibility(mTextPath, View.VISIBLE);
+        ViewUtils.setVisibility(mImagePreview, View.VISIBLE);
+
+        super.onDetachedFromWindow();
+        super.onAttachedToWindow();
+    }
+
+    @Override
+    protected void onAttachedToWindow() {
+        if (mSelectedPath != null) {
+            setImagePreview(mSelectedPath);
+        }
+    }
+
+    @Override
+    protected void onDetachedFromWindow() {
+        if (mSelectedImage != null && !mSelectedImage.isRecycled()) {
+            mSelectedImage.isRecycled();
+        }
+        mSelectedImage = null;
+    }
+
+    @Override
+    public Parcelable onSaveInstanceState() {
+        final Bundle state = new Bundle();
+        state.putParcelable(STATE_KEY_SUPER, super.onSaveInstanceState());
+        state.putString(STATE_KEY_PATH, mSelectedPath);
+        return state;
+    }
+
+    @Override
+    public void onRestoreInstanceState(Parcelable state) {
+        if (state instanceof Bundle) {
+            final Bundle savedState = (Bundle) state;
+            super.onRestoreInstanceState(savedState.getParcelable(STATE_KEY_SUPER));
+            String path = savedState.getString(STATE_KEY_PATH);
+            if (path != null) {
+                onSelectImage(path);
+            }
+        }
+    }
+
+    @Override
+    public void onClick(View v) {
+        if (mHelper != null) {
+            mHelper.onRequstSelectImage();
+        }
+    }
+
+    public interface SelectSearchImageLayoutHelper {
+        public void onRequstSelectImage();
+    }
+
+}