/**
* 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.v4.view.ViewPager;
import android.support.v4.view.ViewPropertyAnimatorListenerAdapter;
import android.text.TextUtils;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.animation.DecelerateInterpolator;
import android.widget.RelativeLayout;
import android.widget.TextView;
import java.util.ArrayList;
import cn.bingoogolapple.androidcommon.adapter.BGAOnNoDoubleClickListener;
import cn.bingoogolapple.photopicker.R;
import cn.bingoogolapple.photopicker.adapter.BGAPhotoPageAdapter;
import cn.bingoogolapple.photopicker.util.BGAPhotoPickerUtil;
import cn.bingoogolapple.photopicker.widget.BGAHackyViewPager;
import uk.co.senab.photoview.PhotoViewAttacher;
/**
* 作者:王浩 邮件:bingoogolapple@gmail.com
* 创建时间:16/6/24 下午2:57
* 描述:图片选择预览界面
*/
public class BGAPhotoPickerPreviewActivity extends BGAPPToolbarActivity implements PhotoViewAttacher.OnViewTapListener {
private static final String EXTRA_PREVIEW_IMAGES = "EXTRA_PREVIEW_IMAGES";
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_CURRENT_POSITION = "EXTRA_CURRENT_POSITION";
private static final String EXTRA_IS_FROM_TAKE_PHOTO = "EXTRA_IS_FROM_TAKE_PHOTO";
private TextView mTitleTv;
private TextView mSubmitTv;
private BGAHackyViewPager mContentHvp;
private RelativeLayout mChooseRl;
private TextView mChooseTv;
private ArrayList<String> mSelectedImages;
private BGAPhotoPageAdapter mPhotoPageAdapter;
private int mMaxChooseCount = 1;
/**
* 右上角按钮文本
*/
private String mTopRightBtnText;
private boolean mIsHidden = false;
/**
* 上一次标题栏显示或隐藏的时间戳
*/
private long mLastShowHiddenTime;
/**
* 是否是拍完照后跳转过来
*/
private boolean mIsFromTakePhoto;
/**
* @param context 应用程序上下文
* @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 previewImages 当前预览的图片目录里的图片路径集合
* @param currentPosition 当前预览图片的位置
* @param isFromTakePhoto 是否是拍完照后跳转过来
* @return
*/
public static Intent newIntent(Context context, int maxChooseCount, ArrayList<String> selectedImages, ArrayList<String> previewImages, int currentPosition, boolean isFromTakePhoto) {
Intent intent = new Intent(context, BGAPhotoPickerPreviewActivity.class);
intent.putStringArrayListExtra(EXTRA_SELECTED_IMAGES, selectedImages);
intent.putStringArrayListExtra(EXTRA_PREVIEW_IMAGES, previewImages);
intent.putExtra(EXTRA_MAX_CHOOSE_COUNT, maxChooseCount);
intent.putExtra(EXTRA_CURRENT_POSITION, currentPosition);
intent.putExtra(EXTRA_IS_FROM_TAKE_PHOTO, isFromTakePhoto);
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);
}
/**
* 是否是拍照预览
*
* @param intent
* @return
*/
public static boolean getIsFromTakePhoto(Intent intent) {
return intent.getBooleanExtra(EXTRA_IS_FROM_TAKE_PHOTO, false);
}
@Override
protected void initView(Bundle savedInstanceState) {
setNoLinearContentView(R.layout.bga_pp_activity_photo_picker_preview);
mContentHvp = getViewById(R.id.hvp_photo_picker_preview_content);
mChooseRl = getViewById(R.id.rl_photo_picker_preview_choose);
mChooseTv = getViewById(R.id.tv_photo_picker_preview_choose);
}
@Override
protected void setListener() {
mChooseTv.setOnClickListener(new BGAOnNoDoubleClickListener() {
@Override
public void onNoDoubleClick(View v) {
String currentImage = mPhotoPageAdapter.getItem(mContentHvp.getCurrentItem());
if (mSelectedImages.contains(currentImage)) {
mSelectedImages.remove(currentImage);
mChooseTv.setCompoundDrawablesWithIntrinsicBounds(R.mipmap.bga_pp_ic_cb_normal, 0, 0, 0);
renderTopRightBtn();
} else {
if (mMaxChooseCount == 1) {
// 单选
mSelectedImages.clear();
mSelectedImages.add(currentImage);
mChooseTv.setCompoundDrawablesWithIntrinsicBounds(R.mipmap.bga_pp_ic_cb_checked, 0, 0, 0);
renderTopRightBtn();
} else {
// 多选
if (mMaxChooseCount == mSelectedImages.size()) {
BGAPhotoPickerUtil.show(getString(R.string.bga_pp_toast_photo_picker_max, mMaxChooseCount));
} else {
mSelectedImages.add(currentImage);
mChooseTv.setCompoundDrawablesWithIntrinsicBounds(R.mipmap.bga_pp_ic_cb_checked, 0, 0, 0);
renderTopRightBtn();
}
}
}
}
});
mContentHvp.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
@Override
public void onPageSelected(int position) {
handlePageSelectedStatus();
}
});
}
@Override
protected void processLogic(Bundle savedInstanceState) {
// 获取图片选择的最大张数
mMaxChooseCount = getIntent().getIntExtra(EXTRA_MAX_CHOOSE_COUNT, 1);
if (mMaxChooseCount < 1) {
mMaxChooseCount = 1;
}
mSelectedImages = getIntent().getStringArrayListExtra(EXTRA_SELECTED_IMAGES);
ArrayList<String> previewImages = getIntent().getStringArrayListExtra(EXTRA_PREVIEW_IMAGES);
if (TextUtils.isEmpty(previewImages.get(0))) {
// 从BGAPhotoPickerActivity跳转过来时，如果有开启拍照功能，则第0项为""
previewImages.remove(0);
}
// 处理是否是拍完照后跳转过来
mIsFromTakePhoto = getIntent().getBooleanExtra(EXTRA_IS_FROM_TAKE_PHOTO, false);
if (mIsFromTakePhoto) {
// 如果是拍完照后跳转过来，一直隐藏底部选择栏
mChooseRl.setVisibility(View.INVISIBLE);
}
int currentPosition = getIntent().getIntExtra(EXTRA_CURRENT_POSITION, 0);
// 获取右上角按钮文本
mTopRightBtnText = getString(R.string.bga_pp_confirm);
mPhotoPageAdapter = new BGAPhotoPageAdapter(this, this, previewImages);
mContentHvp.setAdapter(mPhotoPageAdapter);
mContentHvp.setCurrentItem(currentPosition);
// 过2秒隐藏标题栏和底部选择栏
mToolbar.postDelayed(new Runnable() {
@Override
public void run() {
hiddenToolBarAndChooseBar();
}
}, 2000);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.bga_pp_menu_photo_picker_preview, menu);
MenuItem menuItem = menu.findItem(R.id.item_photo_picker_preview_title);
View actionView = menuItem.getActionView();
mTitleTv = (TextView) actionView.findViewById(R.id.tv_photo_picker_preview_title);
mSubmitTv = (TextView) actionView.findViewById(R.id.tv_photo_picker_preview_submit);
mSubmitTv.setOnClickListener(new BGAOnNoDoubleClickListener() {
@Override
public void onNoDoubleClick(View v) {
Intent intent = new Intent();
intent.putStringArrayListExtra(EXTRA_SELECTED_IMAGES, mSelectedImages);
intent.putExtra(EXTRA_IS_FROM_TAKE_PHOTO, mIsFromTakePhoto);
setResult(RESULT_OK, intent);
finish();
}
});
renderTopRightBtn();
handlePageSelectedStatus();
return true;
}
@Override
public void onBackPressed() {
Intent intent = new Intent();
intent.putStringArrayListExtra(EXTRA_SELECTED_IMAGES, mSelectedImages);
intent.putExtra(EXTRA_IS_FROM_TAKE_PHOTO, mIsFromTakePhoto);
setResult(RESULT_CANCELED, intent);
finish();
}
private void handlePageSelectedStatus() {
if (mTitleTv == null || mPhotoPageAdapter == null) {
return;
}
mTitleTv.setText((mContentHvp.getCurrentItem() + 1) + "/" + mPhotoPageAdapter.getCount());
if (mSelectedImages.contains(mPhotoPageAdapter.getItem(mContentHvp.getCurrentItem()))) {
mChooseTv.setCompoundDrawablesWithIntrinsicBounds(R.mipmap.bga_pp_ic_cb_checked, 0, 0, 0);
} else {
mChooseTv.setCompoundDrawablesWithIntrinsicBounds(R.mipmap.bga_pp_ic_cb_normal, 0, 0, 0);
}
}
/**
* 渲染右上角按钮
*/
private void renderTopRightBtn() {
if (mIsFromTakePhoto) {
mSubmitTv.setEnabled(true);
mSubmitTv.setText(mTopRightBtnText);
} else if (mSelectedImages.size() == 0) {
mSubmitTv.setEnabled(false);
mSubmitTv.setText(mTopRightBtnText);
} else {
mSubmitTv.setEnabled(true);
mSubmitTv.setText(mTopRightBtnText + "(" + mSelectedImages.size() + "/" + mMaxChooseCount + ")");
}
}
@Override
public void onViewTap(View view, float x, float y) {
if (System.currentTimeMillis() - mLastShowHiddenTime > 500) {
mLastShowHiddenTime = System.currentTimeMillis();
if (mIsHidden) {
showTitleBarAndChooseBar();
} else {
hiddenToolBarAndChooseBar();
}
}
}
private void showTitleBarAndChooseBar() {
if (mToolbar != null) {
ViewCompat.animate(mToolbar).translationY(0).setInterpolator(new DecelerateInterpolator(2)).setListener(new ViewPropertyAnimatorListenerAdapter() {
@Override
public void onAnimationEnd(View view) {
mIsHidden = false;
}
}).start();
}
if (!mIsFromTakePhoto && mChooseRl != null) {
mChooseRl.setVisibility(View.VISIBLE);
ViewCompat.setAlpha(mChooseRl, 0);
ViewCompat.animate(mChooseRl).alpha(1).setInterpolator(new DecelerateInterpolator(2)).start();
}
}
private void hiddenToolBarAndChooseBar() {
if (mToolbar != null) {
ViewCompat.animate(mToolbar).translationY(-mToolbar.getHeight()).setInterpolator(new DecelerateInterpolator(2)).setListener(new ViewPropertyAnimatorListenerAdapter() {
@Override
public void onAnimationEnd(View view) {
mIsHidden = true;
if (mChooseRl != null) {
mChooseRl.setVisibility(View.INVISIBLE);
}
}
}).start();
}
if (!mIsFromTakePhoto) {
if (mChooseRl != null) {
ViewCompat.animate(mChooseRl).alpha(0).setInterpolator(new DecelerateInterpolator(2)).start();
}
}
}
}