288 lines
11 KiB
Java
288 lines
11 KiB
Java
/* Copyright 2017 Andrew Dawson
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*
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* This file is a part of Tusky.
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with Tusky; if not,
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* see <http://www.gnu.org/licenses>. */
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package com.keylesspalace.tusky;
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import android.Manifest;
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import android.animation.Animator;
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import android.animation.AnimatorListenerAdapter;
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import android.app.DownloadManager;
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import android.content.Context;
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import android.content.Intent;
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import android.content.pm.PackageManager;
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import android.graphics.Color;
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import android.net.Uri;
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import android.os.Build;
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import android.os.Bundle;
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import android.os.Environment;
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import android.support.annotation.NonNull;
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import android.support.annotation.Nullable;
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import android.support.annotation.StringRes;
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import android.support.design.widget.Snackbar;
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import android.support.v4.app.ActivityCompat;
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import android.support.v4.content.ContextCompat;
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import android.support.v4.view.PagerAdapter;
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import android.support.v4.view.ViewPager;
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import android.support.v7.app.ActionBar;
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import android.support.v7.widget.Toolbar;
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import android.view.Menu;
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import android.view.View;
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import android.widget.Toast;
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import com.keylesspalace.tusky.entity.Attachment;
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import com.keylesspalace.tusky.fragment.ViewMediaFragment;
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import com.keylesspalace.tusky.pager.AvatarImagePagerAdapter;
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import com.keylesspalace.tusky.pager.ImagePagerAdapter;
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import com.keylesspalace.tusky.view.ImageViewPager;
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import com.keylesspalace.tusky.viewdata.AttachmentViewData;
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import java.io.File;
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import java.util.ArrayList;
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import java.util.List;
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import kotlin.collections.CollectionsKt;
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import kotlin.jvm.functions.Function0;
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public final class ViewMediaActivity extends BaseActivity
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implements ViewMediaFragment.PhotoActionsListener {
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private static final String EXTRA_ATTACHMENTS = "attachments";
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private static final String EXTRA_ATTACHMENT_INDEX = "index";
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private static final String EXTRA_AVATAR_URL = "avatar";
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public static Intent newIntent(Context context, List<AttachmentViewData> attachments, int index) {
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final Intent intent = new Intent(context, ViewMediaActivity.class);
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intent.putParcelableArrayListExtra(EXTRA_ATTACHMENTS, new ArrayList<>(attachments));
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intent.putExtra(EXTRA_ATTACHMENT_INDEX, index);
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return intent;
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}
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public static Intent newAvatarIntent(Context context, String url) {
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final Intent intent = new Intent(context, ViewMediaActivity.class);
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intent.putExtra(EXTRA_AVATAR_URL, url);
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return intent;
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}
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private static final int PERMISSIONS_REQUEST_WRITE_EXTERNAL_STORAGE = 1;
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private ImageViewPager viewPager;
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private View anyView;
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private Toolbar toolbar;
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private List<AttachmentViewData> attachments;
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private boolean isToolbarVisible = true;
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private final List<ToolbarVisibilityListener> toolbarVisibilityListeners = new ArrayList<>();
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public interface ToolbarVisibilityListener {
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void onToolbarVisiblityChanged(boolean isVisible);
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}
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public Function0 addToolbarVisibilityListener(ToolbarVisibilityListener listener) {
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this.toolbarVisibilityListeners.add(listener);
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listener.onToolbarVisiblityChanged(isToolbarVisible);
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return () -> toolbarVisibilityListeners.remove(listener);
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}
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public boolean isToolbarVisible() {
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return isToolbarVisible;
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}
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@Override
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protected void onCreate(@Nullable Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_view_media);
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supportPostponeEnterTransition();
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// Obtain the views.
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toolbar = findViewById(R.id.toolbar);
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viewPager = findViewById(R.id.view_pager);
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anyView = toolbar;
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// Gather the parameters.
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Intent intent = getIntent();
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attachments = intent.getParcelableArrayListExtra(EXTRA_ATTACHMENTS);
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int initialPosition = intent.getIntExtra(EXTRA_ATTACHMENT_INDEX, 0);
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final PagerAdapter adapter;
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if(attachments != null) {
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List<Attachment> realAttachs =
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CollectionsKt.map(attachments, AttachmentViewData::getAttachment);
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// Setup the view pager.
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adapter = new ImagePagerAdapter(getSupportFragmentManager(),
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realAttachs, initialPosition);
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} else {
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String avatarUrl = intent.getStringExtra(EXTRA_AVATAR_URL);
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if(avatarUrl == null) {
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throw new IllegalArgumentException("attachment list or avatar url has to be set");
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}
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adapter = new AvatarImagePagerAdapter(getSupportFragmentManager(), avatarUrl);
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}
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viewPager.setAdapter(adapter);
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viewPager.setCurrentItem(initialPosition);
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viewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
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@Override
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public void onPageScrolled(int position, float positionOffset,
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int positionOffsetPixels) {
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}
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@Override
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public void onPageSelected(int position) {
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CharSequence title = adapter.getPageTitle(position);
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toolbar.setTitle(title);
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}
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@Override
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public void onPageScrollStateChanged(int state) {
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}
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});
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// Setup the toolbar.
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setSupportActionBar(toolbar);
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ActionBar actionBar = getSupportActionBar();
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if (actionBar != null) {
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actionBar.setDisplayHomeAsUpEnabled(true);
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actionBar.setDisplayShowHomeEnabled(true);
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actionBar.setTitle(adapter.getPageTitle(initialPosition));
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}
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toolbar.setNavigationOnClickListener(v -> supportFinishAfterTransition());
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toolbar.setOnMenuItemClickListener(item -> {
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int id = item.getItemId();
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switch (id) {
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case R.id.action_download:
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downloadImage();
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break;
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case R.id.action_open_status:
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onOpenStatus();
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break;
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}
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return true;
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});
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View decorView = getWindow().getDecorView();
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int uiOptions = View.SYSTEM_UI_FLAG_LOW_PROFILE;
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decorView.setSystemUiVisibility(uiOptions);
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
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getWindow().setStatusBarColor(Color.BLACK);
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}
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}
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@Override
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public boolean onCreateOptionsMenu(Menu menu) {
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if(attachments != null) {
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getMenuInflater().inflate(R.menu.view_media_toolbar, menu);
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return true;
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} else {
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return false;
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}
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}
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@Override
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public void onBringUp() {
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supportStartPostponedEnterTransition();
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}
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@Override
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public void onDismiss() {
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supportFinishAfterTransition();
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}
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@Override
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public void onPhotoTap() {
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isToolbarVisible = !isToolbarVisible;
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for (ToolbarVisibilityListener listener : toolbarVisibilityListeners) {
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listener.onToolbarVisiblityChanged(isToolbarVisible);
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}
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final int visibility = isToolbarVisible ? View.VISIBLE : View.INVISIBLE;
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int alpha = isToolbarVisible ? 1 : 0;
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toolbar.animate().alpha(alpha)
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.setListener(new AnimatorListenerAdapter() {
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@Override
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public void onAnimationEnd(Animator animation) {
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toolbar.setVisibility(visibility);
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animation.removeListener(this);
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}
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})
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.start();
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}
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@Override
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public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[],
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@NonNull int[] grantResults) {
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switch (requestCode) {
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case PERMISSIONS_REQUEST_WRITE_EXTERNAL_STORAGE: {
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if (grantResults.length > 0
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&& grantResults[0] == PackageManager.PERMISSION_GRANTED) {
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downloadImage();
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} else {
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doErrorDialog(R.string.error_media_download_permission, R.string.action_retry,
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v -> downloadImage());
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}
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break;
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}
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}
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}
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private void doErrorDialog(@StringRes int descriptionId, @StringRes int actionId,
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View.OnClickListener listener) {
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if (anyView != null) {
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Snackbar bar = Snackbar.make(anyView, getString(descriptionId),
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Snackbar.LENGTH_SHORT);
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bar.setAction(actionId, listener);
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bar.show();
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}
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}
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private void downloadImage() {
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M &&
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ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE)
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!= PackageManager.PERMISSION_GRANTED) {
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ActivityCompat.requestPermissions(this,
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new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},
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PERMISSIONS_REQUEST_WRITE_EXTERNAL_STORAGE);
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} else {
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String url = attachments.get(viewPager.getCurrentItem()).getAttachment().getUrl();
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Uri uri = Uri.parse(url);
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String filename = new File(url).getName();
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String toastText = String.format(getResources().getString(R.string.download_image),
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filename);
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Toast.makeText(this.getApplicationContext(), toastText, Toast.LENGTH_SHORT).show();
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DownloadManager downloadManager =
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(DownloadManager) getSystemService(Context.DOWNLOAD_SERVICE);
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DownloadManager.Request request = new DownloadManager.Request(uri);
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request.allowScanningByMediaScanner();
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request.setDestinationInExternalPublicDir(Environment.DIRECTORY_PICTURES,
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getString(R.string.app_name) + "/" + filename);
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downloadManager.enqueue(request);
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}
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}
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private void onOpenStatus() {
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final AttachmentViewData attach = attachments.get(viewPager.getCurrentItem());
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startActivity(ViewThreadActivity.startIntent(this, attach.getStatusId(),
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attach.getStatusUrl()));
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}
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}
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