Java tutorial
/* * This is the source code of Telegram for Android v. 5.x.x. * It is licensed under GNU GPL v. 2 or later. * You should have received a copy of the license in this archive (see LICENSE). * * Copyright Nikolai Kudashov, 2013-2018. */ package org.telegram.ui.Components; import android.Manifest; import android.app.Activity; import android.content.Intent; import android.content.pm.PackageManager; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.drawable.BitmapDrawable; import android.graphics.drawable.Drawable; import android.support.media.ExifInterface; import android.net.Uri; import android.os.Build; import android.os.Bundle; import android.provider.MediaStore; import android.support.v4.content.FileProvider; import android.util.TypedValue; import android.widget.TextView; import org.telegram.messenger.AndroidUtilities; import org.telegram.messenger.BuildConfig; import org.telegram.messenger.ImageLoader; import org.telegram.messenger.ImageReceiver; import org.telegram.messenger.LocaleController; import org.telegram.messenger.MediaController; import org.telegram.messenger.R; import org.telegram.messenger.SendMessagesHelper; import org.telegram.messenger.Utilities; import org.telegram.messenger.VideoEditedInfo; import org.telegram.tgnet.ConnectionsManager; import org.telegram.tgnet.TLRPC; import org.telegram.messenger.FileLoader; import org.telegram.messenger.FileLog; import org.telegram.messenger.NotificationCenter; import org.telegram.messenger.UserConfig; import org.telegram.ui.ActionBar.BottomSheet; import org.telegram.ui.ActionBar.Theme; import org.telegram.ui.LaunchActivity; import org.telegram.ui.PhotoAlbumPickerActivity; import org.telegram.ui.PhotoCropActivity; import org.telegram.ui.ActionBar.BaseFragment; import org.telegram.ui.PhotoPickerActivity; import org.telegram.ui.PhotoViewer; import java.io.File; import java.util.ArrayList; import java.util.HashMap; public class ImageUpdater implements NotificationCenter.NotificationCenterDelegate, PhotoCropActivity.PhotoEditActivityDelegate { public BaseFragment parentFragment; public ImageUpdaterDelegate delegate; private int currentAccount = UserConfig.selectedAccount; private ImageReceiver imageReceiver; public String currentPicturePath; private TLRPC.PhotoSize bigPhoto; private TLRPC.PhotoSize smallPhoto; public String uploadingImage; private File picturePath = null; private String finalPath; private boolean clearAfterUpdate; private boolean searchAvailable = true; private boolean uploadAfterSelect = true; public interface ImageUpdaterDelegate { void didUploadPhoto(TLRPC.InputFile file, TLRPC.PhotoSize bigSize, TLRPC.PhotoSize smallSize); default String getInitialSearchString() { return null; } } public void clear() { if (uploadingImage != null) { clearAfterUpdate = true; } else { parentFragment = null; delegate = null; } } public ImageUpdater() { imageReceiver = new ImageReceiver(null); } public void openMenu(boolean hasAvatar, Runnable onDeleteAvatar) { if (parentFragment == null || parentFragment.getParentActivity() == null) { return; } BottomSheet.Builder builder = new BottomSheet.Builder(parentFragment.getParentActivity()); builder.setTitle(LocaleController.getString("ChoosePhoto", R.string.ChoosePhoto)); CharSequence[] items; int[] icons; if (searchAvailable) { if (hasAvatar) { items = new CharSequence[] { LocaleController.getString("ChooseTakePhoto", R.string.ChooseTakePhoto), LocaleController.getString("ChooseFromGallery", R.string.ChooseFromGallery), LocaleController.getString("ChooseFromSearch", R.string.ChooseFromSearch), LocaleController.getString("DeletePhoto", R.string.DeletePhoto) }; icons = new int[] { R.drawable.menu_camera, R.drawable.profile_photos, R.drawable.menu_search, R.drawable.chats_delete }; } else { items = new CharSequence[] { LocaleController.getString("ChooseTakePhoto", R.string.ChooseTakePhoto), LocaleController.getString("ChooseFromGallery", R.string.ChooseFromGallery), LocaleController.getString("ChooseFromSearch", R.string.ChooseFromSearch) }; icons = new int[] { R.drawable.menu_camera, R.drawable.profile_photos, R.drawable.menu_search }; } } else { if (hasAvatar) { items = new CharSequence[] { LocaleController.getString("ChooseTakePhoto", R.string.ChooseTakePhoto), LocaleController.getString("ChooseFromGallery", R.string.ChooseFromGallery), LocaleController.getString("DeletePhoto", R.string.DeletePhoto) }; icons = new int[] { R.drawable.menu_camera, R.drawable.profile_photos, R.drawable.chats_delete }; } else { items = new CharSequence[] { LocaleController.getString("ChooseTakePhoto", R.string.ChooseTakePhoto), LocaleController.getString("ChooseFromGallery", R.string.ChooseFromGallery) }; icons = new int[] { R.drawable.menu_camera, R.drawable.profile_photos }; } } builder.setItems(items, icons, (dialogInterface, i) -> { if (i == 0) { openCamera(); } else if (i == 1) { openGallery(); } else if (searchAvailable && i == 2) { openSearch(); } else if (searchAvailable && i == 3 || i == 2) { onDeleteAvatar.run(); } }); BottomSheet sheet = builder.create(); parentFragment.showDialog(sheet); TextView titleView = sheet.getTitleView(); titleView.setTypeface(AndroidUtilities.getTypeface("fonts/rmedium.ttf")); titleView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 18); titleView.setTextColor(Theme.getColor(Theme.key_dialogTextBlack)); sheet.setItemColor(searchAvailable ? 3 : 2, Theme.getColor(Theme.key_dialogTextRed2), Theme.getColor(Theme.key_dialogRedIcon)); } public void setSearchAvailable(boolean value) { searchAvailable = value; } public void setUploadAfterSelect(boolean value) { uploadAfterSelect = value; } public void openSearch() { if (parentFragment == null) { return; } final HashMap<Object, Object> photos = new HashMap<>(); final ArrayList<Object> order = new ArrayList<>(); PhotoPickerActivity fragment = new PhotoPickerActivity(0, null, photos, order, new ArrayList<>(), 1, false, null); fragment.setDelegate(new PhotoPickerActivity.PhotoPickerActivityDelegate() { private boolean sendPressed; @Override public void selectedPhotosChanged() { } private void sendSelectedPhotos(HashMap<Object, Object> photos, ArrayList<Object> order) { } @Override public void actionButtonPressed(boolean canceled) { if (photos.isEmpty() || delegate == null || sendPressed || canceled) { return; } sendPressed = true; ArrayList<SendMessagesHelper.SendingMediaInfo> media = new ArrayList<>(); for (int a = 0; a < order.size(); a++) { Object object = photos.get(order.get(a)); SendMessagesHelper.SendingMediaInfo info = new SendMessagesHelper.SendingMediaInfo(); media.add(info); if (object instanceof MediaController.SearchImage) { MediaController.SearchImage searchImage = (MediaController.SearchImage) object; if (searchImage.imagePath != null) { info.path = searchImage.imagePath; } else { info.searchImage = searchImage; } info.caption = searchImage.caption != null ? searchImage.caption.toString() : null; info.entities = searchImage.entities; info.masks = !searchImage.stickers.isEmpty() ? new ArrayList<>(searchImage.stickers) : null; info.ttl = searchImage.ttl; } } didSelectPhotos(media); } }); fragment.setInitialSearchString(delegate.getInitialSearchString()); parentFragment.presentFragment(fragment); } private void didSelectPhotos(ArrayList<SendMessagesHelper.SendingMediaInfo> photos) { if (!photos.isEmpty()) { SendMessagesHelper.SendingMediaInfo info = photos.get(0); Bitmap bitmap = null; if (info.path != null) { bitmap = ImageLoader.loadBitmap(info.path, null, 800, 800, true); } else if (info.searchImage != null) { if (info.searchImage.photo != null) { TLRPC.PhotoSize photoSize = FileLoader.getClosestPhotoSizeWithSize(info.searchImage.photo.sizes, AndroidUtilities.getPhotoSize()); if (photoSize != null) { File path = FileLoader.getPathToAttach(photoSize, true); finalPath = path.getAbsolutePath(); if (!path.exists()) { path = FileLoader.getPathToAttach(photoSize, false); if (!path.exists()) { path = null; } } if (path != null) { bitmap = ImageLoader.loadBitmap(path.getAbsolutePath(), null, 800, 800, true); } else { NotificationCenter.getInstance(currentAccount).addObserver(ImageUpdater.this, NotificationCenter.fileDidLoad); NotificationCenter.getInstance(currentAccount).addObserver(ImageUpdater.this, NotificationCenter.fileDidFailedLoad); uploadingImage = FileLoader.getAttachFileName(photoSize.location); imageReceiver.setImage(photoSize, null, null, "jpg", null, 1); } } } else if (info.searchImage.imageUrl != null) { String md5 = Utilities.MD5(info.searchImage.imageUrl) + "." + ImageLoader.getHttpUrlExtension(info.searchImage.imageUrl, "jpg"); File cacheFile = new File(FileLoader.getDirectory(FileLoader.MEDIA_DIR_CACHE), md5); finalPath = cacheFile.getAbsolutePath(); if (cacheFile.exists() && cacheFile.length() != 0) { bitmap = ImageLoader.loadBitmap(cacheFile.getAbsolutePath(), null, 800, 800, true); } else { uploadingImage = info.searchImage.imageUrl; NotificationCenter.getInstance(currentAccount).addObserver(ImageUpdater.this, NotificationCenter.httpFileDidLoad); NotificationCenter.getInstance(currentAccount).addObserver(ImageUpdater.this, NotificationCenter.httpFileDidFailedLoad); imageReceiver.setImage(info.searchImage.imageUrl, null, null, "jpg", 1); } } else { bitmap = null; } } processBitmap(bitmap); } } public void openCamera() { if (parentFragment == null || parentFragment.getParentActivity() == null) { return; } try { if (Build.VERSION.SDK_INT >= 23 && parentFragment.getParentActivity() .checkSelfPermission(Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED) { parentFragment.getParentActivity().requestPermissions(new String[] { Manifest.permission.CAMERA }, 19); return; } Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); File image = AndroidUtilities.generatePicturePath(); if (image != null) { if (Build.VERSION.SDK_INT >= 24) { takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT, FileProvider.getUriForFile( parentFragment.getParentActivity(), BuildConfig.APPLICATION_ID + ".provider", image)); takePictureIntent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION); takePictureIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); } else { takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(image)); } currentPicturePath = image.getAbsolutePath(); } parentFragment.startActivityForResult(takePictureIntent, 13); } catch (Exception e) { FileLog.e(e); } } public void openGallery() { if (parentFragment == null) { return; } if (Build.VERSION.SDK_INT >= 23 && parentFragment != null && parentFragment.getParentActivity() != null) { if (parentFragment.getParentActivity().checkSelfPermission( Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) { parentFragment.getParentActivity() .requestPermissions(new String[] { Manifest.permission.READ_EXTERNAL_STORAGE }, 4); return; } } PhotoAlbumPickerActivity fragment = new PhotoAlbumPickerActivity(1, false, false, null); fragment.setDelegate(new PhotoAlbumPickerActivity.PhotoAlbumPickerActivityDelegate() { @Override public void didSelectPhotos(ArrayList<SendMessagesHelper.SendingMediaInfo> photos) { ImageUpdater.this.didSelectPhotos(photos); } @Override public void startPhotoSelectActivity() { try { Intent photoPickerIntent = new Intent(Intent.ACTION_GET_CONTENT); photoPickerIntent.setType("image/*"); parentFragment.startActivityForResult(photoPickerIntent, 14); } catch (Exception e) { FileLog.e(e); } } }); parentFragment.presentFragment(fragment); } private void startCrop(String path, Uri uri) { try { LaunchActivity activity = (LaunchActivity) parentFragment.getParentActivity(); if (activity == null) { return; } Bundle args = new Bundle(); if (path != null) { args.putString("photoPath", path); } else if (uri != null) { args.putParcelable("photoUri", uri); } PhotoCropActivity photoCropActivity = new PhotoCropActivity(args); photoCropActivity.setDelegate(this); activity.presentFragment(photoCropActivity); } catch (Exception e) { FileLog.e(e); Bitmap bitmap = ImageLoader.loadBitmap(path, uri, 800, 800, true); processBitmap(bitmap); } } public void onActivityResult(int requestCode, int resultCode, Intent data) { if (resultCode == Activity.RESULT_OK) { if (requestCode == 13) { PhotoViewer.getInstance().setParentActivity(parentFragment.getParentActivity()); int orientation = 0; try { ExifInterface ei = new ExifInterface(currentPicturePath); int exif = ei.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_NORMAL); switch (exif) { case ExifInterface.ORIENTATION_ROTATE_90: orientation = 90; break; case ExifInterface.ORIENTATION_ROTATE_180: orientation = 180; break; case ExifInterface.ORIENTATION_ROTATE_270: orientation = 270; break; } } catch (Exception e) { FileLog.e(e); } final ArrayList<Object> arrayList = new ArrayList<>(); arrayList.add(new MediaController.PhotoEntry(0, 0, 0, currentPicturePath, orientation, false)); PhotoViewer.getInstance().openPhotoForSelect(arrayList, 0, PhotoViewer.SELECT_TYPE_AVATAR, new PhotoViewer.EmptyPhotoViewerProvider() { @Override public void sendButtonPressed(int index, VideoEditedInfo videoEditedInfo) { String path = null; MediaController.PhotoEntry photoEntry = (MediaController.PhotoEntry) arrayList .get(0); if (photoEntry.imagePath != null) { path = photoEntry.imagePath; } else if (photoEntry.path != null) { path = photoEntry.path; } Bitmap bitmap = ImageLoader.loadBitmap(path, null, 800, 800, true); processBitmap(bitmap); } @Override public boolean allowCaption() { return false; } @Override public boolean canScrollAway() { return false; } }, null); AndroidUtilities.addMediaToGallery(currentPicturePath); currentPicturePath = null; } else if (requestCode == 14) { if (data == null || data.getData() == null) { return; } startCrop(null, data.getData()); } } } private void processBitmap(Bitmap bitmap) { if (bitmap == null) { return; } bigPhoto = ImageLoader.scaleAndSaveImage(bitmap, 800, 800, 80, false, 320, 320); smallPhoto = ImageLoader.scaleAndSaveImage(bitmap, 150, 150, 80, false, 150, 150); if (smallPhoto != null) { try { Bitmap b = BitmapFactory.decodeFile(FileLoader.getPathToAttach(smallPhoto, true).getAbsolutePath()); String key = smallPhoto.location.volume_id + "_" + smallPhoto.location.local_id + "@50_50"; ImageLoader.getInstance().putImageToCache(new BitmapDrawable(b), key); } catch (Throwable ignore) { } } bitmap.recycle(); if (bigPhoto != null) { UserConfig.getInstance(currentAccount).saveConfig(false); uploadingImage = FileLoader.getDirectory(FileLoader.MEDIA_DIR_CACHE) + "/" + bigPhoto.location.volume_id + "_" + bigPhoto.location.local_id + ".jpg"; if (uploadAfterSelect) { NotificationCenter.getInstance(currentAccount).addObserver(ImageUpdater.this, NotificationCenter.FileDidUpload); NotificationCenter.getInstance(currentAccount).addObserver(ImageUpdater.this, NotificationCenter.FileDidFailUpload); FileLoader.getInstance(currentAccount).uploadFile(uploadingImage, false, true, ConnectionsManager.FileTypePhoto); } if (delegate != null) { delegate.didUploadPhoto(null, bigPhoto, smallPhoto); } } } @Override public void didFinishEdit(Bitmap bitmap) { processBitmap(bitmap); } @Override public void didReceivedNotification(int id, int account, Object... args) { if (id == NotificationCenter.FileDidUpload) { String location = (String) args[0]; if (uploadingImage != null && location.equals(uploadingImage)) { NotificationCenter.getInstance(currentAccount).removeObserver(ImageUpdater.this, NotificationCenter.FileDidUpload); NotificationCenter.getInstance(currentAccount).removeObserver(ImageUpdater.this, NotificationCenter.FileDidFailUpload); if (delegate != null) { delegate.didUploadPhoto((TLRPC.InputFile) args[1], bigPhoto, smallPhoto); } uploadingImage = null; if (clearAfterUpdate) { imageReceiver.setImageBitmap((Drawable) null); parentFragment = null; delegate = null; } } } else if (id == NotificationCenter.FileDidFailUpload) { String location = (String) args[0]; if (uploadingImage != null && location.equals(uploadingImage)) { NotificationCenter.getInstance(currentAccount).removeObserver(ImageUpdater.this, NotificationCenter.FileDidUpload); NotificationCenter.getInstance(currentAccount).removeObserver(ImageUpdater.this, NotificationCenter.FileDidFailUpload); uploadingImage = null; if (clearAfterUpdate) { imageReceiver.setImageBitmap((Drawable) null); parentFragment = null; delegate = null; } } } else if (id == NotificationCenter.fileDidLoad || id == NotificationCenter.fileDidFailedLoad || id == NotificationCenter.httpFileDidLoad || id == NotificationCenter.httpFileDidFailedLoad) { String path = (String) args[0]; if (uploadingImage != null && path.equals(uploadingImage)) { NotificationCenter.getInstance(currentAccount).removeObserver(ImageUpdater.this, NotificationCenter.fileDidLoad); NotificationCenter.getInstance(currentAccount).removeObserver(ImageUpdater.this, NotificationCenter.fileDidFailedLoad); NotificationCenter.getInstance(currentAccount).removeObserver(ImageUpdater.this, NotificationCenter.httpFileDidLoad); NotificationCenter.getInstance(currentAccount).removeObserver(ImageUpdater.this, NotificationCenter.httpFileDidFailedLoad); uploadingImage = null; if (id == NotificationCenter.fileDidLoad || id == NotificationCenter.httpFileDidLoad) { Bitmap bitmap = ImageLoader.loadBitmap(finalPath, null, 800, 800, true); processBitmap(bitmap); } else { imageReceiver.setImageBitmap((Drawable) null); } } } } }