/**
* Copyright 2016 bingoogolapple
* <p/>
* 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
* <p/>
* http://www.apache.org/licenses/LICENSE-2.0
* <p/>
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* 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 cn.bingoogolapple.photopicker.activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.view.ViewCompat;
import android.support.v7.app.AppCompatDialog;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.text.TextUtils;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;
import java.io.File;
import java.util.ArrayList;
import cn.bingoogolapple.androidcommon.adapter.BGAOnItemChildClickListener;
import cn.bingoogolapple.androidcommon.adapter.BGAOnNoDoubleClickListener;
import cn.bingoogolapple.photopicker.R;
import cn.bingoogolapple.photopicker.adapter.BGAPhotoPickerAdapter;
import cn.bingoogolapple.photopicker.imageloader.BGARVOnScrollListener;
import cn.bingoogolapple.photopicker.model.BGAImageFolderModel;
import cn.bingoogolapple.photopicker.pw.BGAPhotoFolderPw;
import cn.bingoogolapple.photopicker.util.BGAAsyncTask;
import cn.bingoogolapple.photopicker.util.BGAImageCaptureManager;
import cn.bingoogolapple.photopicker.util.BGALoadPhotoTask;
import cn.bingoogolapple.photopicker.util.BGAPhotoPickerUtil;
import cn.bingoogolapple.photopicker.util.BGASpaceItemDecoration;
/**
* 作者:王浩 邮件:bingoogolapple@gmail.com
* 创建时间:16/6/24 下午2:55
* 描述:图片选择界面
*/
public class BGAPhotoPickerActivity extends BGAPPToolbarActivity implements BGAOnItemChildClickListener, BGAAsyncTask.Callback<ArrayList<BGAImageFolderModel>> {
private static final String EXTRA_IMAGE_DIR = "EXTRA_IMAGE_DIR";
private static final String EXTRA_SELECTED_IMAGES = "EXTRA_SELECTED_IMAGES";
private static final String EXTRA_MAX_CHOOSE_COUNT = "EXTRA_MAX_CHOOSE_COUNT";
private static final String EXTRA_PAUSE_ON_SCROLL = "EXTRA_PAUSE_ON_SCROLL";
/**
* 拍照的请求码
*/
private static final int REQUEST_CODE_TAKE_PHOTO = 1;
/**
* 预览照片的请求码
*/
private static final int REQUEST_CODE_PREVIEW = 2;
private static final int SPAN_COUNT = 3;
private TextView mTitleTv;
private ImageView mArrowIv;
private TextView mSubmitTv;
private RecyclerView mContentRv;
private BGAImageFolderModel mCurrentImageFolderModel;
/**
* 是否可以拍照
*/
private boolean mTakePhotoEnabled;
/**
* 最多选择多少张图片，默认等于1，为单选
*/
private int mMaxChooseCount = 1;
/**
* 右上角按钮文本
*/
private String mTopRightBtnText;
/**
* 图片目录数据集合
*/
private ArrayList<BGAImageFolderModel> mImageFolderModels;
private BGAPhotoPickerAdapter mPicAdapter;
private BGAImageCaptureManager mImageCaptureManager;
private BGAPhotoFolderPw mPhotoFolderPw;
private BGALoadPhotoTask mLoadPhotoTask;
private AppCompatDialog mLoadingDialog;
private BGAOnNoDoubleClickListener mOnClickShowPhotoFolderListener = new BGAOnNoDoubleClickListener() {
@Override
public void onNoDoubleClick(View v) {
if (mImageFolderModels != null && mImageFolderModels.size() > 0) {
showPhotoFolderPw();
}
}
};
/**
* @param context 应用程序上下文
* @param imageDir 拍照后图片保存的目录。如果传null表示没有拍照功能，如果不为null则具有拍照功能，
* @param maxChooseCount 图片选择张数的最大值
* @param selectedImages 当前已选中的图片路径集合，可以传null
* @param pauseOnScroll 滚动列表时是否暂停加载图片
* @return
*/
public static Intent newIntent(Context context, File imageDir, int maxChooseCount, ArrayList<String> selectedImages, boolean pauseOnScroll) {
Intent intent = new Intent(context, BGAPhotoPickerActivity.class);
intent.putExtra(EXTRA_IMAGE_DIR, imageDir);
intent.putExtra(EXTRA_MAX_CHOOSE_COUNT, maxChooseCount);
intent.putStringArrayListExtra(EXTRA_SELECTED_IMAGES, selectedImages);
intent.putExtra(EXTRA_PAUSE_ON_SCROLL, pauseOnScroll);
return intent;
}
/**
* 获取已选择的图片集合
*
* @param intent
* @return
*/
public static ArrayList<String> getSelectedImages(Intent intent) {
return intent.getStringArrayListExtra(EXTRA_SELECTED_IMAGES);
}
@Override
protected void initView(Bundle savedInstanceState) {
setContentView(R.layout.bga_pp_activity_photo_picker);
mContentRv = getViewById(R.id.rv_photo_picker_content);
}
@Override
protected void setListener() {
mPicAdapter = new BGAPhotoPickerAdapter(mContentRv);
mPicAdapter.setOnItemChildClickListener(this);
if (getIntent().getBooleanExtra(EXTRA_PAUSE_ON_SCROLL, false)) {
mContentRv.addOnScrollListener(new BGARVOnScrollListener(this));
}
}
@Override
protected void processLogic(Bundle savedInstanceState) {
// 获取拍照图片保存目录
File imageDir = (File) getIntent().getSerializableExtra(EXTRA_IMAGE_DIR);
if (imageDir != null) {
mTakePhotoEnabled = true;
mImageCaptureManager = new BGAImageCaptureManager(imageDir);
}
// 获取图片选择的最大张数
mMaxChooseCount = getIntent().getIntExtra(EXTRA_MAX_CHOOSE_COUNT, 1);
if (mMaxChooseCount < 1) {
mMaxChooseCount = 1;
}
// 获取右上角按钮文本
mTopRightBtnText = getString(R.string.bga_pp_confirm);
GridLayoutManager layoutManager = new GridLayoutManager(this, SPAN_COUNT, LinearLayoutManager.VERTICAL, false);
mContentRv.setLayoutManager(layoutManager);
mContentRv.addItemDecoration(new BGASpaceItemDecoration(getResources().getDimensionPixelSize(R.dimen.bga_pp_size_photo_divider)));
ArrayList<String> selectedImages = getIntent().getStringArrayListExtra(EXTRA_SELECTED_IMAGES);
if (selectedImages != null && selectedImages.size() > mMaxChooseCount) {
String selectedPhoto = selectedImages.get(0);
selectedImages.clear();
selectedImages.add(selectedPhoto);
}
mContentRv.setAdapter(mPicAdapter);
mPicAdapter.setSelectedImages(selectedImages);
}
@Override
protected void onStart() {
super.onStart();
showLoadingDialog();
mLoadPhotoTask = new BGALoadPhotoTask(this, this, mTakePhotoEnabled).perform();
}
private void showLoadingDialog() {
if (mLoadingDialog == null) {
mLoadingDialog = new AppCompatDialog(this);
mLoadingDialog.setContentView(R.layout.bga_pp_dialog_loading);
mLoadingDialog.setCancelable(false);
}
mLoadingDialog.show();
}
private void dismissLoadingDialog() {
if (mLoadingDialog != null && mLoadingDialog.isShowing()) {
mLoadingDialog.dismiss();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.bga_pp_menu_photo_picker, menu);
MenuItem menuItem = menu.findItem(R.id.item_photo_picker_title);
View actionView = menuItem.getActionView();
mTitleTv = (TextView) actionView.findViewById(R.id.tv_photo_picker_title);
mArrowIv = (ImageView) actionView.findViewById(R.id.iv_photo_picker_arrow);
mSubmitTv = (TextView) actionView.findViewById(R.id.tv_photo_picker_submit);
mTitleTv.setOnClickListener(mOnClickShowPhotoFolderListener);
mArrowIv.setOnClickListener(mOnClickShowPhotoFolderListener);
mSubmitTv.setOnClickListener(new BGAOnNoDoubleClickListener() {
@Override
public void onNoDoubleClick(View v) {
returnSelectedImages(mPicAdapter.getSelectedImages());
}
});
mTitleTv.setText(R.string.bga_pp_all_image);
if (mCurrentImageFolderModel != null) {
mTitleTv.setText(mCurrentImageFolderModel.name);
}
renderTopRightBtn();
return true;
}
/**
* 返回已选中的图片集合
*
* @param selectedImages
*/
private void returnSelectedImages(ArrayList<String> selectedImages) {
Intent intent = new Intent();
intent.putStringArrayListExtra(EXTRA_SELECTED_IMAGES, selectedImages);
setResult(RESULT_OK, intent);
finish();
}
private void showPhotoFolderPw() {
if (mPhotoFolderPw == null) {
mPhotoFolderPw = new BGAPhotoFolderPw(this, mToolbar, new BGAPhotoFolderPw.Delegate() {
@Override
public void onSelectedFolder(int position) {
reloadPhotos(position);
}
@Override
public void executeDismissAnim() {
ViewCompat.animate(mArrowIv).setDuration(BGAPhotoFolderPw.ANIM_DURATION).rotation(0).start();
}
});
}
mPhotoFolderPw.setData(mImageFolderModels);
mPhotoFolderPw.show();
ViewCompat.animate(mArrowIv).setDuration(BGAPhotoFolderPw.ANIM_DURATION).rotation(-180).start();
}
/**
* 显示只能选择 mMaxChooseCount 张图的提示
*/
private void toastMaxCountTip() {
BGAPhotoPickerUtil.show(getString(R.string.bga_pp_toast_photo_picker_max, mMaxChooseCount));
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (resultCode == RESULT_OK) {
if (requestCode == REQUEST_CODE_TAKE_PHOTO) {
ArrayList<String> photos = new ArrayList<>();
photos.add(mImageCaptureManager.getCurrentPhotoPath());
startActivityForResult(BGAPhotoPickerPreviewActivity.newIntent(this, 1, photos, photos, 0, true), REQUEST_CODE_PREVIEW);
} else if (requestCode == REQUEST_CODE_PREVIEW) {
if (BGAPhotoPickerPreviewActivity.getIsFromTakePhoto(data)) {
// 从拍照预览界面返回，刷新图库
mImageCaptureManager.refreshGallery();
}
returnSelectedImages(BGAPhotoPickerPreviewActivity.getSelectedImages(data));
}
} else if (resultCode == RESULT_CANCELED && requestCode == REQUEST_CODE_PREVIEW) {
if (BGAPhotoPickerPreviewActivity.getIsFromTakePhoto(data)) {
// 从拍照预览界面返回，删除之前拍的照片
mImageCaptureManager.deletePhotoFile();
} else {
mPicAdapter.setSelectedImages(BGAPhotoPickerPreviewActivity.getSelectedImages(data));
renderTopRightBtn();
}
}
}
/**
* 渲染右上角按钮
*/
private void renderTopRightBtn() {
if (mPicAdapter.getSelectedCount() == 0) {
mSubmitTv.setEnabled(false);
mSubmitTv.setText(mTopRightBtnText);
} else {
mSubmitTv.setEnabled(true);
mSubmitTv.setText(mTopRightBtnText + "(" + mPicAdapter.getSelectedCount() + "/" + mMaxChooseCount + ")");
}
}
@Override
public void onSaveInstanceState(Bundle outState) {
if (mTakePhotoEnabled) {
mImageCaptureManager.onSaveInstanceState(outState);
}
super.onSaveInstanceState(outState);
}
@Override
protected void onRestoreInstanceState(Bundle savedInstanceState) {
if (mTakePhotoEnabled) {
mImageCaptureManager.onRestoreInstanceState(savedInstanceState);
}
super.onRestoreInstanceState(savedInstanceState);
}
@Override
public void onItemChildClick(ViewGroup viewGroup, View view, int position) {
if (view.getId() == R.id.iv_item_photo_camera_camera) {
handleTakePhoto();
} else if (view.getId() == R.id.iv_item_photo_picker_photo) {
changeToPreview(position);
} else if (view.getId() == R.id.iv_item_photo_picker_flag) {
handleClickSelectFlagIv(position);
}
}
/**
* 处理拍照
*/
private void handleTakePhoto() {
if (mMaxChooseCount == 1) {
// 单选
takePhoto();
} else if (mPicAdapter.getSelectedCount() == mMaxChooseCount) {
toastMaxCountTip();
} else {
takePhoto();
}
}
/**
* 拍照
*/
private void takePhoto() {
try {
startActivityForResult(mImageCaptureManager.getTakePictureIntent(), REQUEST_CODE_TAKE_PHOTO);
} catch (Exception e) {
BGAPhotoPickerUtil.show(R.string.bga_pp_photo_not_support);
}
}
/**
* 跳转到图片选择预览界面
*
* @param position 当前点击的item的索引位置
*/
private void changeToPreview(int position) {
int currentPosition = position;
if (mCurrentImageFolderModel.isTakePhotoEnabled()) {
currentPosition--;
}
startActivityForResult(BGAPhotoPickerPreviewActivity.newIntent(this, mMaxChooseCount, mPicAdapter
.getSelectedImages(), (ArrayList<String>) mPicAdapter.getData(), currentPosition, false),
REQUEST_CODE_PREVIEW);
}
/**
* 处理点击选择按钮事件
*
* @param position 当前点击的item的索引位置
*/
private void handleClickSelectFlagIv(int position) {
String currentImage = mPicAdapter.getItem(position);
if (mMaxChooseCount == 1) {
// 单选
if (mPicAdapter.getSelectedCount() > 0) {
String selectedImage = mPicAdapter.getSelectedImages().remove(0);
if (TextUtils.equals(selectedImage, currentImage)) {
mPicAdapter.notifyItemChanged(position);
} else {
int preSelectedImagePosition = mPicAdapter.getData().indexOf(selectedImage);
mPicAdapter.notifyItemChanged(preSelectedImagePosition);
mPicAdapter.getSelectedImages().add(currentImage);
mPicAdapter.notifyItemChanged(position);
}
} else {
mPicAdapter.getSelectedImages().add(currentImage);
mPicAdapter.notifyItemChanged(position);
}
renderTopRightBtn();
} else {
// 多选
if (!mPicAdapter.getSelectedImages().contains(currentImage) && mPicAdapter.getSelectedCount() == mMaxChooseCount) {
toastMaxCountTip();
} else {
if (mPicAdapter.getSelectedImages().contains(currentImage)) {
mPicAdapter.getSelectedImages().remove(currentImage);
} else {
mPicAdapter.getSelectedImages().add(currentImage);
}
mPicAdapter.notifyItemChanged(position);
renderTopRightBtn();
}
}
}
private void reloadPhotos(int position) {
if (position < mImageFolderModels.size()) {
mCurrentImageFolderModel = mImageFolderModels.get(position);
if (mTitleTv != null) {
mTitleTv.setText(mCurrentImageFolderModel.name);
}
mPicAdapter.setImageFolderModel(mCurrentImageFolderModel);
}
}
@Override
public void onPostExecute(ArrayList<BGAImageFolderModel> imageFolderModels) {
dismissLoadingDialog();
mLoadPhotoTask = null;
mImageFolderModels = imageFolderModels;
reloadPhotos(mPhotoFolderPw == null ? 0 : mPhotoFolderPw.getCurrentPosition());
}
@Override
public void onTaskCancelled() {
dismissLoadingDialog();
mLoadPhotoTask = null;
}
private void cancelLoadPhotoTask() {
if (mLoadPhotoTask != null) {
mLoadPhotoTask.cancelTask();
mLoadPhotoTask = null;
}
}
@Override
protected void onDestroy() {
dismissLoadingDialog();
cancelLoadPhotoTask();
super.onDestroy();
}
}