Add image search
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/*
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* Copyright 2016 Hippo Seven
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.hippo.ehviewer.widget;
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import android.content.Context;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.net.Uri;
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import android.os.Parcel;
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import android.os.Parcelable;
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import android.support.annotation.Nullable;
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import android.util.AttributeSet;
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import android.util.Log;
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import android.view.AbsSavedState;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.widget.CheckBox;
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import android.widget.ImageView;
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import android.widget.LinearLayout;
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import com.hippo.ehviewer.AppConfig;
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import com.hippo.ehviewer.R;
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import com.hippo.ehviewer.client.data.ListUrlBuilder;
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import com.hippo.ehviewer.client.exception.EhException;
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import com.hippo.io.UniFileInputStreamPipe;
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import com.hippo.unifile.UniFile;
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import com.hippo.util.BitmapUtils;
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import com.hippo.yorozuya.IOUtils;
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import com.hippo.yorozuya.ViewUtils;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.InputStream;
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import java.io.OutputStream;
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public final class ImageSearchLayout extends LinearLayout implements View.OnClickListener {
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private static final String TAG = ImageSearchLayout.class.getSimpleName();
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private ImageView mPreview;
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private View mSelectImage;
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private CheckBox mSearchUSS;
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private CheckBox mSearchOSC;
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private CheckBox mSearchSE;
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private Helper mHelper;
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@Nullable
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private String mImagePath;
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public ImageSearchLayout(Context context) {
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super(context);
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init(context);
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}
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public ImageSearchLayout(Context context, AttributeSet attrs) {
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super(context, attrs);
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init(context);
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}
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public ImageSearchLayout(Context context, AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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init(context);
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}
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@SuppressWarnings("deprecation")
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public void init(Context context) {
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setOrientation(VERTICAL);
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setDividerDrawable(context.getResources().getDrawable(R.drawable.spacer_keyline));
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setShowDividers(SHOW_DIVIDER_MIDDLE);
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LayoutInflater.from(context).inflate(R.layout.widget_image_search, this);
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mPreview = (ImageView) ViewUtils.$$(this, R.id.preview);
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mSelectImage = ViewUtils.$$(this, R.id.select_image);
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mSearchUSS = (CheckBox) ViewUtils.$$(this, R.id.search_uss);
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mSearchOSC = (CheckBox) ViewUtils.$$(this, R.id.search_osc);
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mSearchSE = (CheckBox) ViewUtils.$$(this, R.id.search_se);
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mSelectImage.setOnClickListener(this);
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}
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public void setHelper(Helper helper) {
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mHelper = helper;
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}
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@Override
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public void onClick(View v) {
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if (v == mSelectImage) {
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if (null != mHelper) {
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mHelper.onSelectImage();
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}
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}
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}
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public void setImageUri(@Nullable Uri imageUri) {
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if (null == imageUri) {
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return;
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}
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Context context = getContext();
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UniFile file = UniFile.fromUri(context, imageUri);
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try {
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int maxSize = context.getResources().getDimensionPixelOffset(R.dimen.image_search_max_size);
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Bitmap bitmap = BitmapUtils.decodeStream(new UniFileInputStreamPipe(file), maxSize, maxSize);
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if (null == bitmap) {
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return;
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}
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File temp = AppConfig.createTempFile();
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if (null == temp) {
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return;
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}
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// TODO ehentai image search is bad when I'm writing this line.
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// Re-compress image will make image search failed.
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OutputStream os = null;
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try {
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os = new FileOutputStream(temp);
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bitmap.compress(Bitmap.CompressFormat.JPEG, 90, os);
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mImagePath = temp.getPath();
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mPreview.setImageBitmap(bitmap);
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mPreview.setVisibility(VISIBLE);
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} catch (FileNotFoundException e) {
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e.printStackTrace();
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} finally {
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IOUtils.closeQuietly(os);
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}
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} catch (OutOfMemoryError e) {
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Log.e(TAG, "Out of memory");
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}
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}
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private void setImagePath(@Nullable String imagePath) {
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if (null == imagePath) {
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return;
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}
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InputStream is = null;
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try {
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is = new FileInputStream(imagePath);
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Bitmap bitmap = BitmapFactory.decodeStream(is);
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if (null == bitmap) {
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return;
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}
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mImagePath = imagePath;
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mPreview.setImageBitmap(bitmap);
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mPreview.setVisibility(VISIBLE);
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} catch (FileNotFoundException e) {
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// Ignore
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} finally {
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IOUtils.closeQuietly(is);
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}
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}
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public void formatListUrlBuilder(ListUrlBuilder builder) throws EhException {
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if (null == mImagePath) {
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throw new EhException(getContext().getString(R.string.select_image_first));
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}
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builder.setImagePath(mImagePath);
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builder.setUseSimilarityScan(mSearchUSS.isChecked());
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builder.setOnlySearchCovers(mSearchOSC.isChecked());
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builder.setShowExpunged(mSearchSE.isChecked());
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}
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@Override
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protected Parcelable onSaveInstanceState() {
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Parcelable superState = super.onSaveInstanceState();
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SavedState ss = new SavedState(superState);
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ss.imagePath = mImagePath;
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return ss;
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}
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@Override
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protected void onRestoreInstanceState(Parcelable state) {
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SavedState ss = (SavedState) state;
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super.onRestoreInstanceState(ss.getSuperState());
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setImagePath(ss.imagePath);
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}
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private static class SavedState extends AbsSavedState {
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String imagePath;
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/**
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* Constructor called from {@link ImageSearchLayout#onSaveInstanceState()}
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*/
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protected SavedState(Parcelable superState) {
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super(superState);
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}
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/**
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* Constructor called from {@link #CREATOR}
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*/
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protected SavedState(Parcel source) {
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super(source);
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imagePath = source.readString();
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}
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@Override
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public void writeToParcel(Parcel out, int flags) {
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super.writeToParcel(out, flags);
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out.writeString(imagePath);
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}
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public static final Parcelable.Creator<SavedState> CREATOR
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= new Parcelable.Creator<SavedState>() {
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@Override
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public SavedState createFromParcel(Parcel in) {
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return new SavedState(in);
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}
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@Override
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public SavedState[] newArray(int size) {
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return new SavedState[size];
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}
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};
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}
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public interface Helper {
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void onSelectImage();
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}
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}
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