/* * This is the source code of Telegram for Android v. 1.4.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, 2013-2014. */ package org.telegram.ui; import android.animation.Animator; import android.animation.AnimatorListenerAdapter; import android.animation.AnimatorSet; import android.animation.ObjectAnimator; import android.annotation.SuppressLint; import android.app.Activity; import android.content.Context; import android.content.Intent; import android.graphics.Bitmap; import android.graphics.Canvas; import android.graphics.PixelFormat; import android.graphics.drawable.BitmapDrawable; import android.graphics.drawable.ColorDrawable; import android.net.Uri; import android.os.Bundle; import android.text.TextUtils; import android.view.GestureDetector; import android.view.Gravity; import android.view.MotionEvent; import android.view.Surface; import android.view.VelocityTracker; import android.view.View; import android.view.ViewGroup; import android.view.ViewTreeObserver; import android.view.WindowManager; import android.view.animation.AlphaAnimation; import android.view.animation.Animation; import android.view.animation.AnimationSet; import android.view.animation.DecelerateInterpolator; import android.view.animation.ScaleAnimation; import android.widget.Button; import android.widget.FrameLayout; import android.widget.ImageView; import android.widget.ProgressBar; import android.widget.TextView; import org.telegram.messenger.ConnectionsManager; import org.telegram.messenger.FileLoader; import org.telegram.messenger.FileLog; import org.telegram.messenger.LocaleController; import org.telegram.messenger.MediaController; import org.telegram.messenger.MessagesController; import org.telegram.messenger.NotificationCenter; import org.telegram.messenger.R; import org.telegram.messenger.TLRPC; import org.telegram.messenger.UserConfig; import org.telegram.messenger.Utilities; import org.telegram.objects.MessageObject; import org.telegram.objects.PhotoObject; import org.telegram.ui.Views.ActionBar.ActionBar; import org.telegram.ui.Views.ActionBar.ActionBarActivity; import org.telegram.ui.Views.ActionBar.ActionBarLayer; import org.telegram.ui.Views.ActionBar.ActionBarMenu; import org.telegram.ui.Views.ActionBar.ActionBarMenuItem; import org.telegram.ui.Views.ClippingImageView; import org.telegram.ui.Views.ImageReceiver; import java.io.File; import java.util.ArrayList; import java.util.Collections; import java.util.HashMap; import java.util.Locale; public class PhotoViewer implements NotificationCenter.NotificationCenterDelegate, GestureDetector.OnGestureListener, GestureDetector.OnDoubleTapListener { private int classGuid; private PhotoViewerProvider placeProvider; private boolean isVisible; private Activity parentActivity; private ActionBar actionBar; private ActionBarLayer actionBarLayer; private boolean isActionBarVisible = true; private WindowManager.LayoutParams windowLayoutParams; private FrameLayoutDrawer containerView; private FrameLayoutTouchListener windowView; private ClippingImageView animatingImageView; private FrameLayout bottomLayout; private TextView nameTextView; private TextView dateTextView; private ProgressBar progressBar; private ActionBarMenuItem menuItem; private ColorDrawable backgroundDrawable = new ColorDrawable(0xff000000); private OverlayView currentOverlay; private ImageView checkImageView; private View pickerView; private TextView doneButtonTextView; private TextView doneButtonBadgeTextView; private boolean canShowBottom = true; private boolean overlayViewVisible = true; private int animationInProgress = 0; private boolean disableShowCheck = false; private Animation.AnimationListener animationListener; private ImageReceiver leftImage = new ImageReceiver(); private ImageReceiver centerImage = new ImageReceiver(); private ImageReceiver rightImage = new ImageReceiver(); private int currentIndex; private MessageObject currentMessageObject; private TLRPC.FileLocation currentFileLocation; private String currentFileName; private PlaceProviderObject currentPlaceObject; private String currentPathObject; private Bitmap currentThumb = null; private int avatarsUserId; private long currentDialogId; private int totalImagesCount; private boolean isFirstLoading; private boolean needSearchImageInArr; private boolean loadingMoreImages; private boolean cacheEndReached; private boolean opennedFromMedia; private boolean draggingDown = false; private float dragY; private float translationX = 0; private float translationY = 0; private float scale = 1; private float animateToX; private float animateToY; private float animateToScale; private long animationDuration; private long animationStartTime; private GestureDetector gestureDetector; private DecelerateInterpolator interpolator = new DecelerateInterpolator(); private float pinchStartDistance = 0; private float pinchStartScale = 1; private float pinchCenterX; private float pinchCenterY; private float pinchStartX; private float pinchStartY; private float moveStartX; private float moveStartY; private float minX; private float maxX; private float minY; private float maxY; private boolean canZoom = true; private boolean changingPage = false; private boolean zooming = false; private boolean moving = false; private boolean doubleTap = false; private boolean invalidCoords = false; private boolean canDragDown = true; private boolean zoomAnimation = false; private int switchImageAfterAnimation = 0; private VelocityTracker velocityTracker = null; private ArrayList imagesArrTemp = new ArrayList(); private HashMap imagesByIdsTemp = new HashMap(); private ArrayList imagesArr = new ArrayList(); private HashMap imagesByIds = new HashMap(); private ArrayList imagesArrLocations = new ArrayList(); private ArrayList imagesArrLocationsSizes = new ArrayList(); private ArrayList imagesArrLocals = new ArrayList(); private final static int gallery_menu_save = 1; private final static int gallery_menu_showall = 2; private final static int gallery_menu_send = 3; private final static int PAGE_SPACING = Utilities.dp(30); private static class OverlayView extends FrameLayout { public TextView actionButton; public OverlayView(Context context) { super(context); actionButton = new TextView(context); actionButton.setBackgroundResource(R.drawable.system_black); actionButton.setPadding(Utilities.dp(8), Utilities.dp(2), Utilities.dp(8), Utilities.dp(2)); actionButton.setTextColor(0xffffffff); actionButton.setTextSize(26); actionButton.setGravity(Gravity.CENTER); addView(actionButton); LayoutParams layoutParams = (LayoutParams)actionButton.getLayoutParams(); layoutParams.width = LayoutParams.WRAP_CONTENT; layoutParams.height = LayoutParams.WRAP_CONTENT; layoutParams.gravity = Gravity.CENTER; actionButton.setLayoutParams(layoutParams); actionButton.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { getInstance().onActionClick(OverlayView.this); } }); } } public static class PlaceProviderObject { public ImageReceiver imageReceiver; public int viewX; public int viewY; public View parentView; public Bitmap thumb; public int user_id; public int index; public int size; } public static interface PhotoViewerProvider { public PlaceProviderObject getPlaceForPhoto(MessageObject messageObject, TLRPC.FileLocation fileLocation, int index); public void willSwitchFromPhoto(MessageObject messageObject, TLRPC.FileLocation fileLocation, int index); public void willHidePhotoViewer(); public boolean isPhotoChecked(int index); public void setPhotoChecked(int index); public void cancelButtonPressed(); public void sendButtonPressed(int index); public int getSelectedCount(); } private static class FrameLayoutTouchListener extends FrameLayout { public FrameLayoutTouchListener(Context context) { super(context); } @Override public boolean onTouchEvent(MotionEvent event) { return getInstance().onTouchEvent(event); } @Override protected void onLayout(boolean changed, int left, int top, int right, int bottom) { super.onLayout(changed, left, top, right, bottom); getInstance().onLayout(changed, left, top, right, bottom); } } private static class FrameLayoutDrawer extends FrameLayout { public FrameLayoutDrawer(Context context) { super(context); setWillNotDraw(false); } @Override protected void onAnimationEnd() { super.onAnimationEnd(); if (getInstance().animationListener != null) { getInstance().animationListener.onAnimationEnd(null); } } @Override protected void onDraw(Canvas canvas) { getInstance().onDraw(canvas); } } private static volatile PhotoViewer Instance = null; public static PhotoViewer getInstance() { PhotoViewer localInstance = Instance; if (localInstance == null) { synchronized (PhotoViewer.class) { localInstance = Instance; if (localInstance == null) { Instance = localInstance = new PhotoViewer(); } } } return localInstance; } @SuppressWarnings("unchecked") @Override public void didReceivedNotification(int id, Object... args) { if (id == FileLoader.FileDidFailedLoad) { String location = (String)args[0]; if (currentFileName != null && currentFileName.equals(location)) { progressBar.setVisibility(View.GONE); updateActionOverlays(); } } else if (id == FileLoader.FileDidLoaded) { String location = (String)args[0]; if (currentFileName != null && currentFileName.equals(location)) { progressBar.setVisibility(View.GONE); updateActionOverlays(); } } else if (id == FileLoader.FileLoadProgressChanged) { String location = (String)args[0]; if (currentFileName != null && currentFileName.equals(location)) { Float progress = (Float)args[1]; progressBar.setVisibility(View.VISIBLE); progressBar.setProgress((int)(progress * 100)); } } else if (id == MessagesController.userPhotosLoaded) { int guid = (Integer)args[4]; int uid = (Integer)args[0]; if (avatarsUserId == uid && classGuid == guid) { boolean fromCache = (Boolean)args[3]; int setToImage = -1; ArrayList photos = (ArrayList)args[5]; if (photos.isEmpty()) { return; } imagesArrLocations.clear(); imagesArrLocationsSizes.clear(); for (TLRPC.Photo photo : photos) { if (photo instanceof TLRPC.TL_photoEmpty) { continue; } TLRPC.PhotoSize sizeFull = PhotoObject.getClosestPhotoSizeWithSize(photo.sizes, 640, 640); if (sizeFull != null) { if (currentFileLocation != null && sizeFull.location.local_id == currentFileLocation.local_id && sizeFull.location.volume_id == currentFileLocation.volume_id) { setToImage = imagesArrLocations.size(); } imagesArrLocations.add(sizeFull.location); imagesArrLocationsSizes.add(sizeFull.size); } } needSearchImageInArr = false; currentIndex = -1; if (setToImage != -1) { setImageIndex(setToImage, true); } else { setImageIndex(0, true); } if (fromCache) { MessagesController.getInstance().loadUserPhotos(avatarsUserId, 0, 30, 0, false, classGuid); } } } else if (id == MessagesController.mediaCountDidLoaded) { long uid = (Long)args[0]; if (uid == currentDialogId) { if ((int)currentDialogId != 0 && (Boolean)args[2]) { MessagesController.getInstance().getMediaCount(currentDialogId, classGuid, false); } totalImagesCount = (Integer)args[1]; if (needSearchImageInArr && isFirstLoading) { isFirstLoading = false; loadingMoreImages = true; MessagesController.getInstance().loadMedia(currentDialogId, 0, 100, 0, true, classGuid); } else if (!imagesArr.isEmpty()) { actionBarLayer.setTitle(LocaleController.formatString("Of", R.string.Of, (totalImagesCount - imagesArr.size()) + currentIndex + 1, totalImagesCount)); } } } else if (id == MessagesController.mediaDidLoaded) { long uid = (Long)args[0]; int guid = (Integer)args[4]; if (uid == currentDialogId && guid == classGuid) { loadingMoreImages = false; ArrayList arr = (ArrayList)args[2]; boolean fromCache = (Boolean)args[3]; cacheEndReached = !fromCache; if (needSearchImageInArr) { if (arr.isEmpty()) { needSearchImageInArr = false; return; } int foundIndex = -1; MessageObject currentMessage = imagesArr.get(currentIndex); int added = 0; for (MessageObject message : arr) { if (!imagesByIdsTemp.containsKey(message.messageOwner.id)) { added++; imagesArrTemp.add(0, message); imagesByIdsTemp.put(message.messageOwner.id, message); if (message.messageOwner.id == currentMessage.messageOwner.id) { foundIndex = arr.size() - added; } } } if (added == 0) { totalImagesCount = imagesArr.size(); } if (foundIndex != -1) { imagesArr.clear(); imagesArr.addAll(imagesArrTemp); imagesByIds.clear(); imagesByIds.putAll(imagesByIdsTemp); imagesArrTemp.clear(); imagesByIdsTemp.clear(); needSearchImageInArr = false; currentIndex = -1; setImageIndex(foundIndex, true); } else { if (!cacheEndReached || !arr.isEmpty() && added != 0) { loadingMoreImages = true; MessagesController.getInstance().loadMedia(currentDialogId, 0, 100, imagesArrTemp.get(0).messageOwner.id, true, classGuid); } } } else { int added = 0; for (MessageObject message : arr) { if (!imagesByIds.containsKey(message.messageOwner.id)) { added++; imagesArr.add(0, message); imagesByIds.put(message.messageOwner.id, message); } } if (arr.isEmpty() && !fromCache) { totalImagesCount = arr.size(); } if (added != 0) { int index = currentIndex; currentIndex = -1; setImageIndex(index + added, true); } else { totalImagesCount = imagesArr.size(); } } } } } public void setParentActivity(Activity activity) { parentActivity = activity; windowView = new FrameLayoutTouchListener(activity); windowView.setBackgroundDrawable(backgroundDrawable); windowView.setFocusable(false); animatingImageView = new ClippingImageView(windowView.getContext()); windowView.addView(animatingImageView); containerView = new FrameLayoutDrawer(activity); containerView.setFocusable(false); windowView.addView(containerView); FrameLayout.LayoutParams layoutParams = (FrameLayout.LayoutParams)containerView.getLayoutParams(); layoutParams.width = FrameLayout.LayoutParams.MATCH_PARENT; layoutParams.height = FrameLayout.LayoutParams.MATCH_PARENT; layoutParams.gravity = Gravity.TOP | Gravity.LEFT; containerView.setLayoutParams(layoutParams); windowLayoutParams = new WindowManager.LayoutParams(); windowLayoutParams.height = WindowManager.LayoutParams.MATCH_PARENT; windowLayoutParams.format = PixelFormat.TRANSLUCENT; windowLayoutParams.width = WindowManager.LayoutParams.MATCH_PARENT; windowLayoutParams.gravity = Gravity.TOP; windowLayoutParams.type = WindowManager.LayoutParams.TYPE_APPLICATION; windowLayoutParams.flags = WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE; actionBar = new ActionBar(activity); containerView.addView(actionBar); actionBar.setBackgroundColor(0x7F000000); layoutParams = (FrameLayout.LayoutParams)actionBar.getLayoutParams(); layoutParams.width = FrameLayout.LayoutParams.MATCH_PARENT; actionBar.setLayoutParams(layoutParams); actionBarLayer = actionBar.createLayer(); actionBarLayer.setItemsBackground(R.drawable.bar_selector_white); actionBarLayer.setDisplayHomeAsUpEnabled(true, R.drawable.photo_back); actionBarLayer.setTitle(LocaleController.formatString("Of", R.string.Of, 1, 1)); actionBar.setCurrentActionBarLayer(actionBarLayer); actionBarLayer.setActionBarMenuOnItemClick(new ActionBarLayer.ActionBarMenuOnItemClick() { @Override public void onItemClick(int id) { if (id == -1) { closePhoto(true); } else if (id == gallery_menu_save) { if (currentFileName == null) { return; } MediaController.saveFile(currentFileName, null, parentActivity, currentFileName.endsWith("mp4") ? 1 : 0, null); } else if (id == gallery_menu_showall) { if (opennedFromMedia) { closePhoto(true); } else if (currentDialogId != 0) { closePhoto(false); Bundle args2 = new Bundle(); args2.putLong("dialog_id", currentDialogId); ((ActionBarActivity)parentActivity).presentFragment(new MediaActivity(args2), false, true); } } else if (id == gallery_menu_send) { /*Intent intent = new Intent(this, MessagesActivity.class); intent.putExtra("onlySelect", true); startActivityForResult(intent, 10); if (requestCode == 10) { int chatId = data.getIntExtra("chatId", 0); int userId = data.getIntExtra("userId", 0); int dialog_id = 0; if (chatId != 0) { dialog_id = -chatId; } else if (userId != 0) { dialog_id = userId; } TLRPC.FileLocation location = getCurrentFile(); if (dialog_id != 0 && location != null) { Intent intent = new Intent(GalleryImageViewer.this, ChatActivity.class); if (chatId != 0) { intent.putExtra("chatId", chatId); } else { intent.putExtra("userId", userId); } startActivity(intent); NotificationCenter.getInstance().postNotificationName(MessagesController.closeChats); finish(); if (withoutBottom) { MessagesController.getInstance().sendMessage(location, dialog_id); } else { int item = mViewPager.getCurrentItem(); MessageObject obj = localPagerAdapter.imagesArr.get(item); MessagesController.getInstance().sendMessage(obj, dialog_id); } } }*/ } } @Override public boolean canOpenMenu() { if (currentFileName != null) { File f = new File(Utilities.getCacheDir(), currentFileName); if (f.exists()) { return true; } } return false; } }); ActionBarMenu menu = actionBarLayer.createMenu(); menuItem = menu.addItem(0, R.drawable.ic_ab_other_white); menuItem.addSubItem(gallery_menu_save, LocaleController.getString("SaveToGallery", R.string.SaveToGallery), 0); menuItem.addSubItem(gallery_menu_showall, LocaleController.getString("ShowAllMedia", R.string.ShowAllMedia), 0); bottomLayout = new FrameLayout(containerView.getContext()); containerView.addView(bottomLayout); layoutParams = (FrameLayout.LayoutParams)bottomLayout.getLayoutParams(); layoutParams.width = FrameLayout.LayoutParams.MATCH_PARENT; layoutParams.height = Utilities.dp(48); layoutParams.gravity = Gravity.BOTTOM | Gravity.LEFT; bottomLayout.setLayoutParams(layoutParams); bottomLayout.setBackgroundColor(0x7F000000); ImageView shareButton = new ImageView(containerView.getContext()); shareButton.setImageResource(R.drawable.ic_ab_share_white); shareButton.setScaleType(ImageView.ScaleType.CENTER); shareButton.setBackgroundResource(R.drawable.bar_selector_white); bottomLayout.addView(shareButton); layoutParams = (FrameLayout.LayoutParams) shareButton.getLayoutParams(); layoutParams.width = Utilities.dp(50); layoutParams.height = FrameLayout.LayoutParams.MATCH_PARENT; shareButton.setLayoutParams(layoutParams); shareButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (parentActivity == null) { return; } try { String fileName = getFileName(currentIndex, null); if (fileName == null) { return; } File f = new File(Utilities.getCacheDir(), fileName); if (f.exists()) { Intent intent = new Intent(Intent.ACTION_SEND); if (fileName.endsWith("mp4")) { intent.setType("video/mp4"); } else { intent.setType("image/jpeg"); } intent.putExtra(Intent.EXTRA_STREAM, Uri.fromFile(f)); parentActivity.startActivity(intent); } } catch (Exception e) { FileLog.e("tmessages", e); } } }); ImageView deleteButton = new ImageView(containerView.getContext()); deleteButton.setImageResource(R.drawable.ic_ab_delete_white); deleteButton.setScaleType(ImageView.ScaleType.CENTER); deleteButton.setBackgroundResource(R.drawable.bar_selector_white); bottomLayout.addView(deleteButton); layoutParams = (FrameLayout.LayoutParams) deleteButton.getLayoutParams(); layoutParams.width = Utilities.dp(50); layoutParams.height = FrameLayout.LayoutParams.MATCH_PARENT; layoutParams.gravity = Gravity.RIGHT; deleteButton.setLayoutParams(layoutParams); deleteButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (currentIndex < 0 || currentIndex >= imagesArr.size()) { return; } MessageObject obj = imagesArr.get(currentIndex); if (obj.messageOwner.send_state == MessagesController.MESSAGE_SEND_STATE_SENT) { ArrayList arr = new ArrayList(); arr.add(obj.messageOwner.id); MessagesController.getInstance().deleteMessages(arr, null, null); closePhoto(false); } } }); nameTextView = new TextView(containerView.getContext()); nameTextView.setTextSize(17); nameTextView.setSingleLine(true); nameTextView.setMaxLines(1); nameTextView.setEllipsize(TextUtils.TruncateAt.END); nameTextView.setTextColor(0xffffffff); nameTextView.setGravity(Gravity.CENTER); bottomLayout.addView(nameTextView); layoutParams = (FrameLayout.LayoutParams)nameTextView.getLayoutParams(); layoutParams.width = FrameLayout.LayoutParams.MATCH_PARENT; layoutParams.height = FrameLayout.LayoutParams.WRAP_CONTENT; layoutParams.gravity = Gravity.TOP; layoutParams.leftMargin = Utilities.dp(60); layoutParams.rightMargin = Utilities.dp(60); layoutParams.topMargin = Utilities.dp(2); nameTextView.setLayoutParams(layoutParams); dateTextView = new TextView(containerView.getContext()); dateTextView.setTextSize(14); dateTextView.setSingleLine(true); dateTextView.setMaxLines(1); dateTextView.setEllipsize(TextUtils.TruncateAt.END); dateTextView.setTextColor(0xffb8bdbe); dateTextView.setGravity(Gravity.CENTER); bottomLayout.addView(dateTextView); layoutParams = (FrameLayout.LayoutParams)dateTextView.getLayoutParams(); layoutParams.width = FrameLayout.LayoutParams.MATCH_PARENT; layoutParams.height = FrameLayout.LayoutParams.WRAP_CONTENT; layoutParams.gravity = Gravity.TOP; layoutParams.leftMargin = Utilities.dp(60); layoutParams.rightMargin = Utilities.dp(60); layoutParams.topMargin = Utilities.dp(26); dateTextView.setLayoutParams(layoutParams); pickerView = parentActivity.getLayoutInflater().inflate(R.layout.photo_picker_bottom_layout, null); containerView.addView(pickerView); Button cancelButton = (Button)pickerView.findViewById(R.id.cancel_button); cancelButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { if (placeProvider != null) { placeProvider.cancelButtonPressed(); closePhoto(false); } } }); View doneButton = pickerView.findViewById(R.id.done_button); doneButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { if (placeProvider != null) { placeProvider.sendButtonPressed(currentIndex); closePhoto(false); } } }); layoutParams = (FrameLayout.LayoutParams)pickerView.getLayoutParams(); layoutParams.width = FrameLayout.LayoutParams.MATCH_PARENT; layoutParams.height = Utilities.dp(48); layoutParams.gravity = Gravity.BOTTOM; pickerView.setLayoutParams(layoutParams); cancelButton.setText(LocaleController.getString("Cancel", R.string.Cancel).toUpperCase()); doneButtonTextView = (TextView)doneButton.findViewById(R.id.done_button_text); doneButtonTextView.setText(LocaleController.getString("Send", R.string.Send).toUpperCase()); doneButtonBadgeTextView = (TextView)doneButton.findViewById(R.id.done_button_badge); progressBar = new ProgressBar(containerView.getContext(), null, android.R.attr.progressBarStyleHorizontal); progressBar.setVisibility(View.GONE); progressBar.setMax(100); progressBar.setProgressDrawable(parentActivity.getResources().getDrawable(R.drawable.photo_progress)); containerView.addView(progressBar); layoutParams = (FrameLayout.LayoutParams)progressBar.getLayoutParams(); layoutParams.width = FrameLayout.LayoutParams.MATCH_PARENT; layoutParams.height = Utilities.dp(3); layoutParams.gravity = Gravity.BOTTOM | Gravity.CENTER_HORIZONTAL; layoutParams.leftMargin = Utilities.dp(6); layoutParams.rightMargin = Utilities.dp(6); layoutParams.bottomMargin = Utilities.dp(48); progressBar.setLayoutParams(layoutParams); gestureDetector = new GestureDetector(containerView.getContext(), this); gestureDetector.setOnDoubleTapListener(this); centerImage.parentView = containerView; leftImage.parentView = containerView; rightImage.parentView = containerView; currentOverlay = new OverlayView(containerView.getContext()); containerView.addView(currentOverlay); currentOverlay.setVisibility(View.GONE); checkImageView = new ImageView(containerView.getContext()); containerView.addView(checkImageView); checkImageView.setVisibility(View.GONE); checkImageView.setScaleType(ImageView.ScaleType.CENTER); checkImageView.setImageResource(R.drawable.selectphoto_large); layoutParams = (FrameLayout.LayoutParams)checkImageView.getLayoutParams(); layoutParams.width = Utilities.dp(46); layoutParams.height = Utilities.dp(46); layoutParams.gravity = Gravity.RIGHT; layoutParams.rightMargin = Utilities.dp(10); WindowManager manager = (WindowManager)ApplicationLoader.applicationContext.getSystemService(Activity.WINDOW_SERVICE); int rotation = manager.getDefaultDisplay().getRotation(); if (rotation == Surface.ROTATION_270 || rotation == Surface.ROTATION_90) { layoutParams.topMargin = Utilities.dp(48); } else { layoutParams.topMargin = Utilities.dp(58); } checkImageView.setLayoutParams(layoutParams); checkImageView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (placeProvider != null) { placeProvider.setPhotoChecked(currentIndex); if (placeProvider.isPhotoChecked(currentIndex)) { checkImageView.setBackgroundColor(0xff42d1f6); } else { checkImageView.setBackgroundColor(0x801c1c1c); } updateSelectedCount(); } } }); } private void toggleOverlayView(boolean show) { if (overlayViewVisible == show) { return; } if (currentOverlay.getVisibility() == View.VISIBLE) { overlayViewVisible = show; if (android.os.Build.VERSION.SDK_INT >= 11) { AnimatorSet animatorSet = new AnimatorSet(); animatorSet.playTogether( ObjectAnimator.ofFloat(currentOverlay, "alpha", show ? 1.0f : 0.0f) ); animatorSet.setDuration(200); animatorSet.start(); } else { AlphaAnimation animation = new AlphaAnimation(show ? 0.0f : 1.0f, show ? 1.0f : 0.0f); animation.setDuration(200); animation.setFillAfter(true); currentOverlay.startAnimation(animation); } } } private void toggleActionBar(boolean show, boolean animated) { if (show) { actionBar.setVisibility(View.VISIBLE); if (canShowBottom) { bottomLayout.setVisibility(View.VISIBLE); } } isActionBarVisible = show; actionBar.setEnabled(show); actionBarLayer.setEnabled(show); bottomLayout.setEnabled(show); if (android.os.Build.VERSION.SDK_INT >= 11) { if (animated) { AnimatorSet animatorSet = new AnimatorSet(); animatorSet.playTogether( ObjectAnimator.ofFloat(actionBar, "alpha", show ? 1.0f : 0.0f), ObjectAnimator.ofFloat(bottomLayout, "alpha", show ? 1.0f : 0.0f) ); if (!show) { animatorSet.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { actionBar.setVisibility(View.GONE); if (canShowBottom) { bottomLayout.setVisibility(View.GONE); } } }); } animatorSet.setDuration(250); animatorSet.start(); } else { actionBar.setAlpha(show ? 1.0f : 0.0f); bottomLayout.setAlpha(show ? 1.0f : 0.0f); if (!show) { actionBar.setVisibility(View.GONE); if (canShowBottom) { bottomLayout.setVisibility(View.GONE); } } } } else { if (!show) { actionBar.setVisibility(View.GONE); if (canShowBottom) { bottomLayout.setVisibility(View.GONE); } } } } private String getFileName(int index, TLRPC.InputFileLocation fileLocation) { if (index < 0) { return null; } TLRPC.InputFileLocation file = fileLocation != null ? fileLocation : getInputFileLocation(index); if (file == null) { return null; } if (!imagesArrLocations.isEmpty()) { return file.volume_id + "_" + file.local_id + ".jpg"; } else if (!imagesArr.isEmpty()) { MessageObject message = imagesArr.get(index); if (message.messageOwner instanceof TLRPC.TL_messageService) { return file.volume_id + "_" + file.local_id + ".jpg"; } else if (message.messageOwner.media != null) { if (message.messageOwner.media instanceof TLRPC.TL_messageMediaVideo) { return file.volume_id + "_" + file.id + ".mp4"; } else if (message.messageOwner.media instanceof TLRPC.TL_messageMediaPhoto) { return file.volume_id + "_" + file.local_id + ".jpg"; } } } return null; } private TLRPC.FileLocation getFileLocation(int index, int size[]) { if (index < 0) { return null; } if (!imagesArrLocations.isEmpty()) { if (index >= imagesArrLocations.size()) { return null; } size[0] = imagesArrLocationsSizes.get(index); return imagesArrLocations.get(index); } else if (!imagesArr.isEmpty()) { if (index >= imagesArr.size()) { return null; } MessageObject message = imagesArr.get(index); if (message.messageOwner instanceof TLRPC.TL_messageService) { if (message.messageOwner.action instanceof TLRPC.TL_messageActionUserUpdatedPhoto) { return message.messageOwner.action.newUserPhoto.photo_big; } else { TLRPC.PhotoSize sizeFull = PhotoObject.getClosestPhotoSizeWithSize(message.messageOwner.action.photo.sizes, 800, 800); if (sizeFull != null) { size[0] = sizeFull.size; if (size[0] == 0) { size[0] = -1; } return sizeFull.location; } else { size[0] = -1; } } } else if (message.messageOwner.media instanceof TLRPC.TL_messageMediaPhoto && message.messageOwner.media.photo != null) { TLRPC.PhotoSize sizeFull = PhotoObject.getClosestPhotoSizeWithSize(message.messageOwner.media.photo.sizes, 800, 800); if (sizeFull != null) { size[0] = sizeFull.size; if (size[0] == 0) { size[0] = -1; } return sizeFull.location; } else { size[0] = -1; } } else if (message.messageOwner.media instanceof TLRPC.TL_messageMediaVideo && message.messageOwner.media.video != null && message.messageOwner.media.video.thumb != null) { size[0] = message.messageOwner.media.video.thumb.size; if (size[0] == 0) { size[0] = -1; } return message.messageOwner.media.video.thumb.location; } } return null; } private TLRPC.InputFileLocation getInputFileLocation(int index) { if (index < 0) { return null; } if (!imagesArrLocations.isEmpty()) { if (index >= imagesArrLocations.size()) { return null; } TLRPC.FileLocation sizeFull = imagesArrLocations.get(index); TLRPC.TL_inputFileLocation location = new TLRPC.TL_inputFileLocation(); location.local_id = sizeFull.local_id; location.volume_id = sizeFull.volume_id; location.id = sizeFull.dc_id; location.secret = sizeFull.secret; return location; } else if (!imagesArr.isEmpty()) { if (index >= imagesArr.size()) { return null; } MessageObject message = imagesArr.get(index); if (message.messageOwner instanceof TLRPC.TL_messageService) { if (message.messageOwner.action instanceof TLRPC.TL_messageActionUserUpdatedPhoto) { TLRPC.FileLocation sizeFull = message.messageOwner.action.newUserPhoto.photo_big; TLRPC.TL_inputFileLocation location = new TLRPC.TL_inputFileLocation(); location.local_id = sizeFull.local_id; location.volume_id = sizeFull.volume_id; location.id = sizeFull.dc_id; location.secret = sizeFull.secret; return location; } else { TLRPC.PhotoSize sizeFull = PhotoObject.getClosestPhotoSizeWithSize(message.messageOwner.action.photo.sizes, 800, 800); if (sizeFull != null) { TLRPC.TL_inputFileLocation location = new TLRPC.TL_inputFileLocation(); location.local_id = sizeFull.location.local_id; location.volume_id = sizeFull.location.volume_id; location.id = sizeFull.location.dc_id; location.secret = sizeFull.location.secret; return location; } } } else if (message.messageOwner.media instanceof TLRPC.TL_messageMediaPhoto) { TLRPC.PhotoSize sizeFull = PhotoObject.getClosestPhotoSizeWithSize(message.messageOwner.media.photo.sizes, 800, 800); if (sizeFull != null) { TLRPC.TL_inputFileLocation location = new TLRPC.TL_inputFileLocation(); location.local_id = sizeFull.location.local_id; location.volume_id = sizeFull.location.volume_id; location.id = sizeFull.location.dc_id; location.secret = sizeFull.location.secret; return location; } } else if (message.messageOwner.media instanceof TLRPC.TL_messageMediaVideo) { TLRPC.TL_inputVideoFileLocation location = new TLRPC.TL_inputVideoFileLocation(); location.volume_id = message.messageOwner.media.video.dc_id; location.id = message.messageOwner.media.video.id; return location; } } return null; } private void updateSelectedCount() { if (placeProvider == null) { return; } int count = placeProvider.getSelectedCount(); if (count == 0) { doneButtonTextView.setTextColor(0xffffffff); doneButtonTextView.setCompoundDrawablesWithIntrinsicBounds(R.drawable.selectphoto_small, 0, 0, 0); doneButtonBadgeTextView.setVisibility(View.GONE); } else { doneButtonTextView.setTextColor(0xffffffff); doneButtonTextView.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0); doneButtonBadgeTextView.setVisibility(View.VISIBLE); doneButtonBadgeTextView.setText("" + count); } } private void updateActionOverlays() { if (currentMessageObject == null || currentFileName == null) { currentOverlay.setVisibility(View.GONE); return; } if (currentFileName.endsWith("mp4")) { if (currentMessageObject.messageOwner.send_state != MessagesController.MESSAGE_SEND_STATE_SENDING && currentMessageObject.messageOwner.send_state != MessagesController.MESSAGE_SEND_STATE_SEND_ERROR) { currentOverlay.setVisibility(View.VISIBLE); boolean load = false; if (currentMessageObject.messageOwner.attachPath != null && currentMessageObject.messageOwner.attachPath.length() != 0) { File f = new File(currentMessageObject.messageOwner.attachPath); if (f.exists()) { currentOverlay.actionButton.setText(LocaleController.getString("ViewVideo", R.string.ViewVideo)); } else { load = true; } } else { File cacheFile = new File(Utilities.getCacheDir(), currentFileName); if (cacheFile.exists()) { currentOverlay.actionButton.setText(LocaleController.getString("ViewVideo", R.string.ViewVideo)); } else { load = true; } } if (load) { Float progress = FileLoader.getInstance().fileProgresses.get(currentFileName); if (FileLoader.getInstance().isLoadingFile(currentFileName)) { currentOverlay.actionButton.setText(LocaleController.getString("CancelDownload", R.string.CancelDownload)); progressBar.setVisibility(View.VISIBLE); } else { currentOverlay.actionButton.setText(String.format("%s %s", LocaleController.getString("DOWNLOAD", R.string.DOWNLOAD), Utilities.formatFileSize(currentMessageObject.messageOwner.media.video.size))); progressBar.setVisibility(View.GONE); } } } } else { currentOverlay.setVisibility(View.GONE); } } private void onPhotoShow(final MessageObject messageObject, final TLRPC.FileLocation fileLocation, final ArrayList messages, final ArrayList photos, int index, final PlaceProviderObject object) { classGuid = ConnectionsManager.getInstance().generateClassGuid(); currentMessageObject = null; currentFileLocation = null; currentPathObject = null; currentIndex = -1; currentFileName = null; avatarsUserId = 0; currentDialogId = 0; totalImagesCount = 0; isFirstLoading = true; needSearchImageInArr = false; loadingMoreImages = false; cacheEndReached = false; opennedFromMedia = false; canShowBottom = true; imagesArr.clear(); imagesArrLocations.clear(); imagesArrLocationsSizes.clear(); imagesArrLocals.clear(); imagesByIds.clear(); imagesArrTemp.clear(); imagesByIdsTemp.clear(); currentThumb = object.thumb; menuItem.setVisibility(View.VISIBLE); bottomLayout.setVisibility(View.VISIBLE); checkImageView.setVisibility(View.GONE); pickerView.setVisibility(View.GONE); if (messageObject != null && messages == null) { imagesArr.add(messageObject); if (messageObject.messageOwner.action == null || messageObject.messageOwner.action instanceof TLRPC.TL_messageActionEmpty) { needSearchImageInArr = true; imagesByIds.put(messageObject.messageOwner.id, messageObject); if (messageObject.messageOwner.dialog_id != 0) { currentDialogId = messageObject.messageOwner.dialog_id; } else { if (messageObject.messageOwner.to_id.chat_id != 0) { currentDialogId = -messageObject.messageOwner.to_id.chat_id; } else { if (messageObject.messageOwner.to_id.user_id == UserConfig.clientUserId) { currentDialogId = messageObject.messageOwner.from_id; } else { currentDialogId = messageObject.messageOwner.to_id.user_id; } } } menuItem.showSubItem(gallery_menu_showall); } else { menuItem.hideSubItem(gallery_menu_showall); } setImageIndex(0, true); } else if (fileLocation != null) { avatarsUserId = object.user_id; imagesArrLocations.add(fileLocation); imagesArrLocationsSizes.add(object.size); bottomLayout.setVisibility(View.GONE); canShowBottom = false; menuItem.hideSubItem(gallery_menu_showall); setImageIndex(0, true); } else if (messages != null) { imagesArr.addAll(messages); Collections.reverse(imagesArr); for (MessageObject message : imagesArr) { imagesByIds.put(message.messageOwner.id, message); } index = imagesArr.size() - index - 1; if (messageObject.messageOwner.dialog_id != 0) { currentDialogId = messageObject.messageOwner.dialog_id; } else { if (messageObject.messageOwner.to_id == null) { closePhoto(false); return; } if (messageObject.messageOwner.to_id.chat_id != 0) { currentDialogId = -messageObject.messageOwner.to_id.chat_id; } else { if (messageObject.messageOwner.to_id.user_id == UserConfig.clientUserId) { currentDialogId = messageObject.messageOwner.from_id; } else { currentDialogId = messageObject.messageOwner.to_id.user_id; } } } opennedFromMedia = true; setImageIndex(index, true); } else if (photos != null) { checkImageView.setVisibility(View.VISIBLE); menuItem.setVisibility(View.GONE); imagesArrLocals.addAll(photos); setImageIndex(index, true); pickerView.setVisibility(View.VISIBLE); bottomLayout.setVisibility(View.GONE); canShowBottom = false; updateSelectedCount(); } if (currentDialogId != 0 && totalImagesCount == 0) { MessagesController.getInstance().getMediaCount(currentDialogId, classGuid, true); } else if (avatarsUserId != 0) { MessagesController.getInstance().loadUserPhotos(avatarsUserId, 0, 30, 0, true, classGuid); } } public void setImageIndex(int index, boolean init) { if (currentIndex == index) { return; } if (!init) { currentThumb = null; } placeProvider.willSwitchFromPhoto(currentMessageObject, currentFileLocation, currentIndex); int prevIndex = currentIndex; currentIndex = index; currentFileName = getFileName(index, null); if (!imagesArr.isEmpty()) { currentMessageObject = imagesArr.get(currentIndex); TLRPC.User user = MessagesController.getInstance().users.get(currentMessageObject.messageOwner.from_id); if (user != null) { nameTextView.setText(Utilities.formatName(user.first_name, user.last_name)); } else { nameTextView.setText(""); } dateTextView.setText(LocaleController.formatterYearMax.format(((long) currentMessageObject.messageOwner.date) * 1000)); if (totalImagesCount != 0 && !needSearchImageInArr) { if (imagesArr.size() < totalImagesCount && !loadingMoreImages && currentIndex < 5) { MessageObject lastMessage = imagesArr.get(0); MessagesController.getInstance().loadMedia(currentDialogId, 0, 100, lastMessage.messageOwner.id, !cacheEndReached, classGuid); loadingMoreImages = true; } actionBarLayer.setTitle(LocaleController.formatString("Of", R.string.Of, (totalImagesCount - imagesArr.size()) + currentIndex + 1, totalImagesCount)); } } else if (!imagesArrLocations.isEmpty()) { currentFileLocation = imagesArrLocations.get(index); actionBarLayer.setTitle(LocaleController.formatString("Of", R.string.Of, currentIndex + 1, imagesArrLocations.size())); } else if (!imagesArrLocals.isEmpty()) { currentPathObject = imagesArrLocals.get(index).path; actionBarLayer.setTitle(LocaleController.formatString("Of", R.string.Of, currentIndex + 1, imagesArrLocals.size())); if (placeProvider.isPhotoChecked(currentIndex)) { checkImageView.setBackgroundColor(0xff42d1f6); } else { checkImageView.setBackgroundColor(0x801c1c1c); } } if (!init) { if (android.os.Build.VERSION.SDK_INT >= 11 && currentPlaceObject != null) { currentPlaceObject.imageReceiver.setVisible(true, true); } } currentPlaceObject = placeProvider.getPlaceForPhoto(currentMessageObject, currentFileLocation, currentIndex); if (!init) { if (android.os.Build.VERSION.SDK_INT >= 11 && currentPlaceObject != null) { currentPlaceObject.imageReceiver.setVisible(false, true); } } draggingDown = false; translationX = 0; translationY = 0; scale = 1; animateToX = 0; animateToY = 0; animateToScale = 1; animationDuration = 0; animationStartTime = 0; pinchStartDistance = 0; pinchStartScale = 1; pinchCenterX = 0; pinchCenterY = 0; pinchStartX = 0; pinchStartY = 0; moveStartX = 0; moveStartY = 0; zooming = false; moving = false; doubleTap = false; invalidCoords = false; canDragDown = true; changingPage = false; switchImageAfterAnimation = 0; canZoom = currentFileName == null || !currentFileName.endsWith("mp4"); updateMinMax(scale); if (prevIndex == -1) { setIndexToImage(centerImage, currentIndex); setIndexToImage(rightImage, currentIndex + 1); setIndexToImage(leftImage, currentIndex - 1); } else { if (prevIndex > currentIndex) { ImageReceiver temp = rightImage; rightImage = centerImage; centerImage = leftImage; leftImage = temp; setIndexToImage(leftImage, currentIndex - 1); } else if (prevIndex < currentIndex) { ImageReceiver temp = leftImage; leftImage = centerImage; centerImage = rightImage; rightImage = temp; setIndexToImage(rightImage, currentIndex + 1); } } if (currentFileName != null) { File f = new File(Utilities.getCacheDir(), currentFileName); if (f.exists()) { progressBar.setVisibility(View.GONE); } else { if (currentFileName.endsWith("mp4")) { if (!FileLoader.getInstance().isLoadingFile(currentFileName)) { progressBar.setVisibility(View.GONE); } else { progressBar.setVisibility(View.VISIBLE); } } else { progressBar.setVisibility(View.VISIBLE); } Float progress = FileLoader.getInstance().fileProgresses.get(currentFileName); if (progress != null) { progressBar.setProgress((int)(progress * 100)); } else { progressBar.setProgress(0); } } } else { progressBar.setVisibility(View.GONE); } updateActionOverlays(); } private void setIndexToImage(ImageReceiver imageReceiver, int index) { if (!imagesArrLocals.isEmpty()) { if (index >= 0 && index < imagesArrLocals.size()) { MediaController.PhotoEntry photoEntry = imagesArrLocals.get(index); Bitmap placeHolder = null; if (currentThumb != null && imageReceiver == centerImage) { placeHolder = currentThumb; } int size = (int)(800 / Utilities.density); imageReceiver.setImage(photoEntry.path, String.format(Locale.US, "%d_%d", size, size), placeHolder != null ? new BitmapDrawable(null, placeHolder) : null); } else { imageReceiver.setImageBitmap((Bitmap) null); } } else { int size[] = new int[1]; TLRPC.FileLocation fileLocation = getFileLocation(index, size); if (fileLocation != null) { MessageObject messageObject = null; if (!imagesArr.isEmpty()) { messageObject = imagesArr.get(index); } if (messageObject != null && messageObject.messageOwner.media instanceof TLRPC.TL_messageMediaVideo) { if (messageObject.imagePreview != null) { imageReceiver.setImageBitmap(messageObject.imagePreview); } else if (messageObject.messageOwner.media.video.thumb != null) { Bitmap placeHolder = null; if (currentThumb != null && imageReceiver == centerImage) { placeHolder = currentThumb; } imageReceiver.setImage(fileLocation, null, placeHolder != null ? new BitmapDrawable(null, placeHolder) : null, size[0]); } else { imageReceiver.setImageBitmap(parentActivity.getResources().getDrawable(R.drawable.photoview_placeholder)); } } else { Bitmap placeHolder = null; if (messageObject != null) { placeHolder = messageObject.imagePreview; } if (currentThumb != null && imageReceiver == centerImage) { placeHolder = currentThumb; } imageReceiver.setImage(fileLocation, null, placeHolder != null ? new BitmapDrawable(null, placeHolder) : null, size[0]); } } else { if (size[0] == 0) { imageReceiver.setImageBitmap((Bitmap) null); } else { imageReceiver.setImageBitmap(parentActivity.getResources().getDrawable(R.drawable.photoview_placeholder)); } } } } public boolean isShowingImage(MessageObject object) { return android.os.Build.VERSION.SDK_INT >= 11 && isVisible && !disableShowCheck && object != null && currentMessageObject != null && currentMessageObject.messageOwner.id == object.messageOwner.id; } public boolean isShowingImage(TLRPC.FileLocation object) { return android.os.Build.VERSION.SDK_INT >= 11 && isVisible && !disableShowCheck && object != null && currentFileLocation != null && object.local_id == currentFileLocation.local_id && object.volume_id == currentFileLocation.volume_id && object.dc_id == currentFileLocation.dc_id; } public boolean isShowingImage(String object) { return android.os.Build.VERSION.SDK_INT >= 11 && isVisible && !disableShowCheck && object != null && currentPathObject != null && object.equals(currentPathObject); } public void openPhoto(final MessageObject messageObject, final PhotoViewerProvider provider) { openPhoto(messageObject, null, null, null, 0, provider); } public void openPhoto(final TLRPC.FileLocation fileLocation, final PhotoViewerProvider provider) { openPhoto(null, fileLocation, null, null, 0, provider); } public void openPhoto(final ArrayList messages, final int index, final PhotoViewerProvider provider) { openPhoto(messages.get(index), null, messages, null, index, provider); } public void openPhotoForSelect(final ArrayList photos, final int index, final PhotoViewerProvider provider) { openPhoto(null, null, null, photos, index, provider); } public void openPhoto(final MessageObject messageObject, final TLRPC.FileLocation fileLocation, final ArrayList messages, final ArrayList photos, final int index, final PhotoViewerProvider provider) { if (parentActivity == null || isVisible || provider == null || animationInProgress != 0 || messageObject == null && fileLocation == null && messages == null && photos == null) { return; } final PlaceProviderObject object = provider.getPlaceForPhoto(messageObject, fileLocation, index); if (object == null) { return; } actionBarLayer.setTitle(LocaleController.formatString("Of", R.string.Of, 1, 1)); NotificationCenter.getInstance().addObserver(this, FileLoader.FileDidFailedLoad); NotificationCenter.getInstance().addObserver(this, FileLoader.FileDidLoaded); NotificationCenter.getInstance().addObserver(this, FileLoader.FileLoadProgressChanged); NotificationCenter.getInstance().addObserver(this, MessagesController.mediaCountDidLoaded); NotificationCenter.getInstance().addObserver(this, MessagesController.mediaDidLoaded); NotificationCenter.getInstance().addObserver(this, MessagesController.userPhotosLoaded); placeProvider = provider; WindowManager wm = (WindowManager) parentActivity.getSystemService(Context.WINDOW_SERVICE); wm.addView(windowView, windowLayoutParams); if (velocityTracker == null) { velocityTracker = VelocityTracker.obtain(); } disableShowCheck = true; onPhotoShow(messageObject, fileLocation, messages, photos, index, object); isVisible = true; backgroundDrawable.setAlpha(255); toggleActionBar(true, false); overlayViewVisible = true; if(android.os.Build.VERSION.SDK_INT >= 11) { Utilities.lockOrientation(parentActivity); animationInProgress = 1; animatingImageView.setVisibility(View.VISIBLE); animatingImageView.setImageBitmap(object.thumb); animatingImageView.setAlpha(1.0f); animatingImageView.setPivotX(0); animatingImageView.setPivotY(0); animatingImageView.setScaleX(1); animatingImageView.setScaleY(1); animatingImageView.setTranslationX(object.viewX + object.imageReceiver.drawRegion.left); animatingImageView.setTranslationY(object.viewY + object.imageReceiver.drawRegion.top); final ViewGroup.LayoutParams layoutParams = animatingImageView.getLayoutParams(); layoutParams.width = object.imageReceiver.drawRegion.right - object.imageReceiver.drawRegion.left; layoutParams.height = object.imageReceiver.drawRegion.bottom - object.imageReceiver.drawRegion.top; animatingImageView.setLayoutParams(layoutParams); containerView.getViewTreeObserver().addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() { @Override public boolean onPreDraw() { containerView.getViewTreeObserver().removeOnPreDrawListener(this); float scaleX = (float) Utilities.displaySize.x / layoutParams.width; float scaleY = (float) (Utilities.displaySize.y - Utilities.statusBarHeight) / layoutParams.height; float scale = scaleX > scaleY ? scaleY : scaleX; float width = layoutParams.width * scale; float height = layoutParams.height * scale; float xPos = (Utilities.displaySize.x - width) / 2.0f; float yPos = (Utilities.displaySize.y - Utilities.statusBarHeight - height) / 2.0f; int clipHorizontal = Math.abs(object.imageReceiver.drawRegion.left - object.imageReceiver.imageX); int clipVertical = Math.abs(object.imageReceiver.drawRegion.top - object.imageReceiver.imageY); int coords2[] = new int[2]; object.parentView.getLocationInWindow(coords2); int clipTop = coords2[1] - Utilities.statusBarHeight - (object.viewY + object.imageReceiver.drawRegion.top); if (clipTop < 0) { clipTop = 0; } int clipBottom = (object.viewY + object.imageReceiver.drawRegion.top + layoutParams.height) - (coords2[1] + object.parentView.getHeight() - Utilities.statusBarHeight); if (clipBottom < 0) { clipBottom = 0; } clipTop = Math.max(clipTop, clipVertical); clipBottom = Math.max(clipBottom, clipVertical); AnimatorSet animatorSet = new AnimatorSet(); animatorSet.playTogether( ObjectAnimator.ofFloat(animatingImageView, "scaleX", scale), ObjectAnimator.ofFloat(animatingImageView, "scaleY", scale), ObjectAnimator.ofFloat(animatingImageView, "translationX", xPos), ObjectAnimator.ofFloat(animatingImageView, "translationY", yPos), ObjectAnimator.ofInt(backgroundDrawable, "alpha", 0, 255), ObjectAnimator.ofInt(animatingImageView, "clipHorizontal", clipHorizontal, 0), ObjectAnimator.ofInt(animatingImageView, "clipTop", clipTop, 0), ObjectAnimator.ofInt(animatingImageView, "clipBottom", clipBottom, 0), ObjectAnimator.ofFloat(containerView, "alpha", 0.0f, 1.0f), ObjectAnimator.ofFloat(currentOverlay, "alpha", 1.0f) ); animatorSet.setDuration(250); animatorSet.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { animationInProgress = 0; containerView.invalidate(); animatingImageView.setVisibility(View.GONE); Utilities.unlockOrientation(parentActivity); } }); animatorSet.start(); animatingImageView.setOnDrawListener(new ClippingImageView.onDrawListener() { @Override public void onDraw() { disableShowCheck = false; animatingImageView.setOnDrawListener(null); if (android.os.Build.VERSION.SDK_INT >= 11) { object.imageReceiver.setVisible(false, true); } } }); return true; } }); } else { containerView.invalidate(); AnimationSet animationSet = new AnimationSet(true); AlphaAnimation animation = new AlphaAnimation(0.0f, 1.0f); animation.setDuration(150); animation.setFillAfter(false); animationSet.addAnimation(animation); ScaleAnimation scaleAnimation = new ScaleAnimation(0.9f, 1.0f, 0.9f, 1.0f, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f); scaleAnimation.setDuration(150); scaleAnimation.setFillAfter(false); animationSet.addAnimation(scaleAnimation); animationSet.setDuration(150); containerView.startAnimation(animationSet); disableShowCheck = false; } } public void closePhoto(boolean animated) { if (parentActivity == null || !isVisible || animationInProgress != 0) { return; } NotificationCenter.getInstance().removeObserver(this, FileLoader.FileDidFailedLoad); NotificationCenter.getInstance().removeObserver(this, FileLoader.FileDidLoaded); NotificationCenter.getInstance().removeObserver(this, FileLoader.FileLoadProgressChanged); NotificationCenter.getInstance().removeObserver(this, MessagesController.mediaCountDidLoaded); NotificationCenter.getInstance().removeObserver(this, MessagesController.mediaDidLoaded); NotificationCenter.getInstance().removeObserver(this, MessagesController.userPhotosLoaded); ConnectionsManager.getInstance().cancelRpcsForClassGuid(classGuid); isVisible = false; isActionBarVisible = false; if (velocityTracker != null) { velocityTracker.recycle(); velocityTracker = null; } ConnectionsManager.getInstance().cancelRpcsForClassGuid(classGuid); final PlaceProviderObject object = placeProvider.getPlaceForPhoto(currentMessageObject, currentFileLocation, currentIndex); if(android.os.Build.VERSION.SDK_INT >= 11 && animated) { Utilities.lockOrientation(parentActivity); animationInProgress = 1; animatingImageView.setVisibility(View.VISIBLE); containerView.invalidate(); AnimatorSet animatorSet = new AnimatorSet(); final ViewGroup.LayoutParams layoutParams = animatingImageView.getLayoutParams(); if (object != null) { layoutParams.width = object.imageReceiver.drawRegion.right - object.imageReceiver.drawRegion.left; layoutParams.height = object.imageReceiver.drawRegion.bottom - object.imageReceiver.drawRegion.top; animatingImageView.setImageBitmap(object.thumb); } else { layoutParams.width = centerImage.imageW; layoutParams.height = centerImage.imageH; animatingImageView.setImageBitmap(centerImage.getBitmap()); } animatingImageView.setLayoutParams(layoutParams); float scaleX = (float) Utilities.displaySize.x / layoutParams.width; float scaleY = (float) (Utilities.displaySize.y - Utilities.statusBarHeight) / layoutParams.height; float scale2 = scaleX > scaleY ? scaleY : scaleX; float width = layoutParams.width * scale * scale2; float height = layoutParams.height * scale * scale2; float xPos = (Utilities.displaySize.x - width) / 2.0f; float yPos = (Utilities.displaySize.y - Utilities.statusBarHeight - height) / 2.0f; animatingImageView.setTranslationX(xPos + translationX); animatingImageView.setTranslationY(yPos + translationY); animatingImageView.setScaleX(scale * scale2); animatingImageView.setScaleY(scale * scale2); if (object != null) { if (android.os.Build.VERSION.SDK_INT >= 11) { object.imageReceiver.setVisible(false, true); } int clipHorizontal = Math.abs(object.imageReceiver.drawRegion.left - object.imageReceiver.imageX); int clipVertical = Math.abs(object.imageReceiver.drawRegion.top - object.imageReceiver.imageY); int coords2[] = new int[2]; object.parentView.getLocationInWindow(coords2); int clipTop = coords2[1] - Utilities.statusBarHeight - (object.viewY + object.imageReceiver.drawRegion.top); if (clipTop < 0) { clipTop = 0; } int clipBottom = (object.viewY + object.imageReceiver.drawRegion.top + (object.imageReceiver.drawRegion.bottom - object.imageReceiver.drawRegion.top)) - (coords2[1] + object.parentView.getHeight() - Utilities.statusBarHeight); if (clipBottom < 0) { clipBottom = 0; } clipTop = Math.max(clipTop, clipVertical); clipBottom = Math.max(clipBottom, clipVertical); animatorSet.playTogether( ObjectAnimator.ofFloat(animatingImageView, "scaleX", 1), ObjectAnimator.ofFloat(animatingImageView, "scaleY", 1), ObjectAnimator.ofFloat(animatingImageView, "translationX", object.viewX + object.imageReceiver.drawRegion.left), ObjectAnimator.ofFloat(animatingImageView, "translationY", object.viewY + object.imageReceiver.drawRegion.top), ObjectAnimator.ofInt(backgroundDrawable, "alpha", 0), ObjectAnimator.ofInt(animatingImageView, "clipHorizontal", clipHorizontal), ObjectAnimator.ofInt(animatingImageView, "clipTop", clipTop), ObjectAnimator.ofInt(animatingImageView, "clipBottom", clipBottom), ObjectAnimator.ofFloat(containerView, "alpha", 0.0f) ); } else { animatorSet.playTogether( ObjectAnimator.ofInt(backgroundDrawable, "alpha", 0), ObjectAnimator.ofFloat(animatingImageView, "alpha", 0.0f), ObjectAnimator.ofFloat(animatingImageView, "translationY", translationY >= 0 ? Utilities.displaySize.y : -Utilities.displaySize.y), ObjectAnimator.ofFloat(containerView, "alpha", 0.0f) ); } animatorSet.setDuration(250); animatorSet.addListener(new AnimatorListenerAdapter() { @Override public void onAnimationEnd(Animator animation) { Utilities.unlockOrientation(parentActivity); animationInProgress = 0; onPhotoClosed(object); } }); animatorSet.start(); } else { AnimationSet animationSet = new AnimationSet(true); AlphaAnimation animation = new AlphaAnimation(1.0f, 0.0f); animation.setDuration(150); animation.setFillAfter(false); animationSet.addAnimation(animation); ScaleAnimation scaleAnimation = new ScaleAnimation(1.0f, 0.9f, 1.0f, 0.9f, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f); scaleAnimation.setDuration(150); scaleAnimation.setFillAfter(false); animationSet.addAnimation(scaleAnimation); animationSet.setDuration(150); animationInProgress = 2; animationSet.setAnimationListener(animationListener = new Animation.AnimationListener() { @Override public void onAnimationStart(Animation animation) { } @Override public void onAnimationEnd(Animation animation) { if (animationListener != null) { animationInProgress = 0; onPhotoClosed(object); animationListener = null; } } @Override public void onAnimationRepeat(Animation animation) { } }); containerView.startAnimation(animationSet); } } private void onPhotoClosed(PlaceProviderObject object) { disableShowCheck = true; currentMessageObject = null; currentFileLocation = null; currentPathObject = null; currentThumb = null; centerImage.setImageBitmap((Bitmap)null); leftImage.setImageBitmap((Bitmap) null); rightImage.setImageBitmap((Bitmap)null); if (android.os.Build.VERSION.SDK_INT >= 11 && object != null) { object.imageReceiver.setVisible(true, true); } containerView.post(new Runnable() { @Override public void run() { animatingImageView.setImageBitmap(null); try { WindowManager wm = (WindowManager) parentActivity.getSystemService(Context.WINDOW_SERVICE); if (windowView.getParent() != null) { wm.removeView(windowView); } } catch (Exception e) { FileLog.e("tmessages", e); } } }); if (placeProvider != null) { placeProvider.willHidePhotoViewer(); } placeProvider = null; disableShowCheck = false; } public boolean isVisible() { return isVisible; } private void updateMinMax(float scale) { int maxW = (int) (centerImage.imageW * scale - containerView.getWidth()) / 2; int maxH = (int) (centerImage.imageH * scale - containerView.getHeight()) / 2; if (maxW > 0) { minX = -maxW; maxX = maxW; } else { minX = maxX = 0; } if (maxH > 0) { minY = -maxH; maxY = maxH; } else { minY = maxY = 0; } } private boolean onTouchEvent(MotionEvent ev) { if (animationInProgress != 0 || animationStartTime != 0) { if (animationStartTime == 0) { Utilities.unlockOrientation(parentActivity); } return false; } if(ev.getPointerCount() == 1 && gestureDetector.onTouchEvent(ev) && doubleTap) { doubleTap = false; moving = false; zooming = false; checkMinMax(false); return true; } if (ev.getActionMasked() == MotionEvent.ACTION_DOWN || ev.getActionMasked() == MotionEvent.ACTION_POINTER_DOWN) { if (!draggingDown && !changingPage) { if (canZoom && ev.getPointerCount() == 2) { pinchStartDistance = (float) Math.hypot(ev.getX(1) - ev.getX(0), ev.getY(1) - ev.getY(0)); pinchStartScale = scale; pinchCenterX = (ev.getX(0) + ev.getX(1)) / 2.0f; pinchCenterY = (ev.getY(0) + ev.getY(1)) / 2.0f; pinchStartX = translationX; pinchStartY = translationY; zooming = true; moving = false; if (velocityTracker != null) { velocityTracker.clear(); } } else if (ev.getPointerCount() == 1) { moveStartX = ev.getX(); dragY = moveStartY = ev.getY(); draggingDown = false; canDragDown = true; Utilities.lockOrientation(parentActivity); if (velocityTracker != null) { velocityTracker.clear(); } } } } else if (ev.getActionMasked() == MotionEvent.ACTION_MOVE) { if (canZoom && ev.getPointerCount() == 2 && !draggingDown && zooming && !changingPage) { scale = (float)Math.hypot(ev.getX(1) - ev.getX(0), ev.getY(1) - ev.getY(0)) / pinchStartDistance * pinchStartScale; translationX = (pinchCenterX - containerView.getWidth() / 2) - ((pinchCenterX - containerView.getWidth() / 2) - pinchStartX) * (scale / pinchStartScale); translationY = (pinchCenterY - containerView.getHeight() / 2) - ((pinchCenterY - containerView.getHeight() / 2) - pinchStartY) * (scale / pinchStartScale); updateMinMax(scale); containerView.invalidate(); } else if (ev.getPointerCount() == 1) { if (velocityTracker != null) { velocityTracker.addMovement(ev); } if (canDragDown && !draggingDown && scale == 1 && Math.abs(ev.getY() - dragY) >= Utilities.dp(30)) { draggingDown = true; moving = false; dragY = ev.getY(); if (isActionBarVisible) { toggleActionBar(false, true); } return true; } else if (draggingDown) { translationY = ev.getY() - dragY; containerView.invalidate(); toggleOverlayView(false); } else if (!invalidCoords && animationStartTime == 0) { float moveDx = moveStartX - ev.getX(); float moveDy = moveStartY - ev.getY(); if (moving || scale == 1 && Math.abs(moveDy) + Utilities.dp(12) < Math.abs(moveDx) || scale != 1) { if (!moving) { moveDx = 0; moveDy = 0; moving = true; canDragDown = false; } toggleOverlayView(false); moveStartX = ev.getX(); moveStartY = ev.getY(); updateMinMax(scale); if (translationX < minX && !rightImage.hasImage() || translationX > maxX && !leftImage.hasImage()) { moveDx /= 3.0f; } if (translationY < minY || translationY > maxY) { moveDy /= 3.0f; } translationX -= moveDx; if (scale != 1) { translationY -= moveDy; } containerView.invalidate(); } } else { invalidCoords = false; moveStartX = ev.getX(); moveStartY = ev.getY(); } } } else if (ev.getActionMasked() == MotionEvent.ACTION_CANCEL || ev.getActionMasked() == MotionEvent.ACTION_UP || ev.getActionMasked() == MotionEvent.ACTION_POINTER_UP) { if (zooming) { invalidCoords = true; if (scale < 1.0f) { updateMinMax(1.0f); animateTo(1.0f, 0, 0, true); } else if(scale > 3.0f) { float atx = (pinchCenterX - containerView.getWidth() / 2) - ((pinchCenterX - containerView.getWidth() / 2) - pinchStartX) * (3.0f / pinchStartScale); float aty = (pinchCenterY - containerView.getHeight() / 2) - ((pinchCenterY - containerView.getHeight() / 2) - pinchStartY) * (3.0f / pinchStartScale); updateMinMax(3.0f); if (atx < minX) { atx = minX; } else if (atx > maxX) { atx = maxX; } if (aty < minY) { aty = minY; } else if (aty > maxY) { aty = maxY; } animateTo(3.0f, atx, aty, true); } else { checkMinMax(true); } zooming = false; } else if (draggingDown) { if (Math.abs(dragY - ev.getY()) > containerView.getHeight() / 6.0f) { closePhoto(true); } else { animateTo(1, 0, 0); } draggingDown = false; } else if (moving) { float moveToX = translationX; float moveToY = translationY; updateMinMax(scale); moving = false; canDragDown = true; float velocity = 0; if (velocityTracker != null && scale == 1) { velocityTracker.computeCurrentVelocity(1000); velocity = velocityTracker.getXVelocity(); } if((translationX < minX - containerView.getWidth() / 3 || velocity < -Utilities.dp(650)) && rightImage.hasImage()){ goToNext(); return true; } if((translationX > maxX + containerView.getWidth() / 3 || velocity > Utilities.dp(650)) && leftImage.hasImage()){ goToPrev(); return true; } if (translationX < minX) { moveToX = minX; } else if (translationX > maxX) { moveToX = maxX; } if (translationY < minY) { moveToY = minY; } else if (translationY > maxY) { moveToY = maxY; } animateTo(scale, moveToX, moveToY); } else { Utilities.unlockOrientation(parentActivity); } } return false; } private void checkMinMax(boolean zoom) { float moveToX = translationX; float moveToY = translationY; updateMinMax(scale); if (translationX < minX) { moveToX = minX; } else if (translationX > maxX) { moveToX = maxX; } if (translationY < minY) { moveToY = minY; } else if (translationY > maxY) { moveToY = maxY; } animateTo(scale, moveToX, moveToY, zoom); } private void goToNext() { float extra = 0; if (scale != 1) { extra = (containerView.getWidth() - centerImage.imageW) / 2 * scale; } switchImageAfterAnimation = 1; animateTo(scale, minX - containerView.getWidth() - extra - PAGE_SPACING / 2, translationY); } private void goToPrev() { float extra = 0; if (scale != 1) { extra = (containerView.getWidth() - centerImage.imageW) / 2 * scale; } switchImageAfterAnimation = 2; animateTo(scale, maxX + containerView.getWidth() + extra + PAGE_SPACING / 2, translationY); } private void animateTo(float newScale, float newTx, float newTy) { animateTo(newScale, newTx, newTy, false); } private void animateTo(float newScale, float newTx, float newTy, boolean isZoom) { if (switchImageAfterAnimation == 0) { toggleOverlayView(true); } if (scale == newScale && translationX == newTx && translationY == newTy) { Utilities.unlockOrientation(parentActivity); return; } zoomAnimation = isZoom; animateToScale = newScale; animateToX = newTx; animateToY = newTy; animationStartTime = System.currentTimeMillis(); animationDuration = 250; containerView.postInvalidate(); Utilities.lockOrientation(parentActivity); } private void onDraw(Canvas canvas) { if (animationInProgress == 1 || !isVisible && animationInProgress != 2) { return; } canvas.save(); canvas.translate(containerView.getWidth() / 2, containerView.getHeight() / 2); float currentTranslationY; float currentTranslationX; float aty = -1; float ai = -1; if (System.currentTimeMillis() - animationStartTime < animationDuration) { ai = interpolator.getInterpolation((float)(System.currentTimeMillis() - animationStartTime) / animationDuration); if (ai >= 0.95) { ai = -1; } } if (ai != -1) { float ts = scale + (animateToScale - scale) * ai; float tx = translationX + (animateToX - translationX) * ai; float ty = translationY + (animateToY - translationY) * ai; if (animateToScale == 1 && scale == 1 && translationX == 0) { aty = ty; } canvas.translate(tx, ty); canvas.scale(ts, ts); currentTranslationY = ty / ts; currentTranslationX = tx; containerView.invalidate(); } else { if (animationStartTime != 0) { translationX = animateToX; translationY = animateToY; scale = animateToScale; animationStartTime = 0; updateMinMax(scale); Utilities.unlockOrientation(parentActivity); zoomAnimation = false; } if (switchImageAfterAnimation != 0) { if (switchImageAfterAnimation == 1) { setImageIndex(currentIndex + 1, false); } else if (switchImageAfterAnimation == 2) { setImageIndex(currentIndex - 1, false); } switchImageAfterAnimation = 0; toggleOverlayView(true); } canvas.translate(translationX, translationY); canvas.scale(scale, scale); currentTranslationY = translationY / scale; currentTranslationX = translationX; if (!moving) { aty = translationY; } } if (scale == 1 && aty != -1) { float maxValue = containerView.getHeight() / 4.0f; backgroundDrawable.setAlpha((int) Math.max(127, 255 * (1.0f - (Math.min(Math.abs(aty), maxValue) / maxValue)))); } else { backgroundDrawable.setAlpha(255); } Bitmap bitmap = centerImage.getBitmap(); if (bitmap != null) { int bitmapWidth = bitmap.getWidth(); int bitmapHeight = bitmap.getHeight(); float scaleX = (float) containerView.getWidth() / (float) bitmapWidth; float scaleY = (float) containerView.getHeight() / (float) bitmapHeight; float scale = scaleX > scaleY ? scaleY : scaleX; int width = (int) (bitmapWidth * scale); int height = (int) (bitmapHeight * scale); centerImage.imageX = -width / 2; centerImage.imageY = -height / 2; centerImage.imageW = width; centerImage.imageH = height; centerImage.draw(canvas, centerImage.imageX, centerImage.imageY, centerImage.imageW, centerImage.imageH); } if (scale >= 1.0f) { ImageReceiver sideImage = null; float k = 1; if (currentTranslationX > maxX + Utilities.dp(20)) { k = -1; sideImage = leftImage; } else if (currentTranslationX < minX - Utilities.dp(20)) { sideImage = rightImage; } if (!zoomAnimation && !zooming && sideImage != null) { changingPage = true; canvas.translate(k * containerView.getWidth() / 2, -currentTranslationY); canvas.scale(1.0f / scale, 1.0f / scale); canvas.translate(k * (containerView.getWidth() + PAGE_SPACING) / 2, 0); bitmap = sideImage.getBitmap(); if (bitmap != null) { int bitmapWidth = bitmap.getWidth(); int bitmapHeight = bitmap.getHeight(); float scaleX = (float) containerView.getWidth() / (float) bitmapWidth; float scaleY = (float) containerView.getHeight() / (float) bitmapHeight; float scale = scaleX > scaleY ? scaleY : scaleX; int width = (int) (bitmapWidth * scale); int height = (int) (bitmapHeight * scale); sideImage.imageX = -width / 2; sideImage.imageY = -height / 2; sideImage.imageW = width; sideImage.imageH = height; sideImage.draw(canvas, sideImage.imageX, sideImage.imageY, sideImage.imageW, sideImage.imageH); } } else { changingPage = false; } } canvas.restore(); } @SuppressLint("DrawAllocation") private void onLayout(boolean changed, int left, int top, int right, int bottom) { if(changed) { scale = 1; translationX = 0; translationY = 0; updateMinMax(scale); if (checkImageView != null) { checkImageView.getViewTreeObserver().addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() { @Override public boolean onPreDraw() { checkImageView.getViewTreeObserver().removeOnPreDrawListener(this); FrameLayout.LayoutParams layoutParams = (FrameLayout.LayoutParams)checkImageView.getLayoutParams(); WindowManager manager = (WindowManager)ApplicationLoader.applicationContext.getSystemService(Activity.WINDOW_SERVICE); int rotation = manager.getDefaultDisplay().getRotation(); if (rotation == Surface.ROTATION_270 || rotation == Surface.ROTATION_90) { layoutParams.topMargin = Utilities.dp(48); } else { layoutParams.topMargin = Utilities.dp(58); } checkImageView.setLayoutParams(layoutParams); return false; } }); } } } private void onActionClick(View view) { if (currentMessageObject == null || currentFileName == null) { return; } boolean loadFile = false; if (currentMessageObject.messageOwner.attachPath != null && currentMessageObject.messageOwner.attachPath.length() != 0) { File f = new File(currentMessageObject.messageOwner.attachPath); if (f.exists()) { Intent intent = new Intent(Intent.ACTION_VIEW); intent.setDataAndType(Uri.fromFile(f), "video/mp4"); parentActivity.startActivity(intent); } else { loadFile = true; } } else { File cacheFile = new File(Utilities.getCacheDir(), currentFileName); if (cacheFile.exists()) { Intent intent = new Intent(Intent.ACTION_VIEW); intent.setDataAndType(Uri.fromFile(cacheFile), "video/mp4"); parentActivity.startActivity(intent); } else { loadFile = true; } } if (loadFile) { if (!FileLoader.getInstance().isLoadingFile(currentFileName)) { FileLoader.getInstance().loadFile(currentMessageObject.messageOwner.media.video, null, null, null); } else { FileLoader.getInstance().cancelLoadFile(currentMessageObject.messageOwner.media.video, null, null, null); } updateActionOverlays(); } } @Override public boolean onDown(MotionEvent e) { return false; } @Override public void onShowPress(MotionEvent e) { } @Override public boolean onSingleTapUp(MotionEvent e) { return false; } @Override public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { return false; } @Override public void onLongPress(MotionEvent e) { } @Override public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { return false; } @Override public boolean onSingleTapConfirmed(MotionEvent e) { toggleActionBar(!isActionBarVisible, true); return true; } @Override public boolean onDoubleTap(MotionEvent e) { if (!canZoom || scale == 1.0f && (translationY != 0 || translationX != 0)) { return false; } if (animationStartTime != 0) { return false; } if (scale == 1.0f) { float atx = (e.getX() - containerView.getWidth() / 2) - ((e.getX() - containerView.getWidth() / 2) - translationX) * (3.0f / scale); float aty = (e.getY() - containerView.getHeight() / 2) - ((e.getY() - containerView.getHeight() / 2) - translationY) * (3.0f / scale); updateMinMax(3.0f); if (atx < minX) { atx = minX; } else if (atx > maxX) { atx = maxX; } if (aty < minY) { aty = minY; } else if (aty > maxY) { aty = maxY; } animateTo(3.0f, atx, aty); } else { animateTo(1.0f, 0, 0); } doubleTap = true; return true; } @Override public boolean onDoubleTapEvent(MotionEvent e) { return false; } }