From 368ab7ab8b2746cba7cfaec2a28af87118ab842c Mon Sep 17 00:00:00 2001
From: tehcneko <7764726+tehcneko@users.noreply.github.com>
Date: Fri, 19 Feb 2021 17:06:04 +0800
Subject: [PATCH] Allow opening large (> 512px) stickers in media viewer

(cherry picked from commit 014b6a28bcec8255ae5ffde9da8fcf86e5695bb4)
---
 .../telegram/ui/Cells/ChatMessageCell.java    |  2 +-
 .../java/org/telegram/ui/ChatActivity.java    | 21 +++++++++++++++++++
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/TMessagesProj/src/main/java/org/telegram/ui/Cells/ChatMessageCell.java b/TMessagesProj/src/main/java/org/telegram/ui/Cells/ChatMessageCell.java
index c28f8f105..7a53a88fe 100644
--- a/TMessagesProj/src/main/java/org/telegram/ui/Cells/ChatMessageCell.java
+++ b/TMessagesProj/src/main/java/org/telegram/ui/Cells/ChatMessageCell.java
@@ -1716,7 +1716,7 @@ public class ChatMessageCell extends BaseCell implements SeekBar.SeekBarDelegate
                         imagePressed = true;
                         result = true;
                     }
-                } else if (!currentMessageObject.isAnyKindOfSticker() || currentMessageObject.getInputStickerSet() != null || currentMessageObject.isAnimatedEmoji() || currentMessageObject.isDice()) {
+                } else if (!currentMessageObject.isAnyKindOfSticker() || currentMessageObject.getInputStickerSet() != null || currentMessageObject.isAnimatedEmoji() || currentMessageObject.isDice() || currentMessageObject.getInputStickerSet() == null && currentMessageObject.isSticker()) {
                     if (x >= photoImage.getImageX() && x <= photoImage.getImageX() + photoImage.getImageWidth() && y >= photoImage.getImageY() && y <= photoImage.getImageY() + photoImage.getImageHeight()) {
                         imagePressed = true;
                         result = true;
diff --git a/TMessagesProj/src/main/java/org/telegram/ui/ChatActivity.java b/TMessagesProj/src/main/java/org/telegram/ui/ChatActivity.java
index 7dafdd416..ec56d6791 100644
--- a/TMessagesProj/src/main/java/org/telegram/ui/ChatActivity.java
+++ b/TMessagesProj/src/main/java/org/telegram/ui/ChatActivity.java
@@ -22499,6 +22499,27 @@ public class ChatActivity extends BaseFragment implements NotificationCenter.Not
                                 }
                             });
                         } else if (message.type == MessageObject.TYPE_STICKER || message.type == MessageObject.TYPE_ANIMATED_STICKER) {
+                            // In case we have a .webp file that is displayed as a sticker, but
+                            // that doesn't fit in 512x512, we assume it may be a regular large
+                            // .webp image and we allow to open it in media viewer.
+                            // Inspired by https://github.com/telegramdesktop/tdesktop/commit/baccec623d45dbfd1132d5f808192f0f3ad87647
+                            if (message.getInputStickerSet() == null) {
+                                int photoHeight = 0;
+                                int photoWidth = 0;
+                                TLRPC.Document document = message.getDocument();
+                                for (int a = 0, N = document.attributes.size(); a < N; a++) {
+                                    TLRPC.DocumentAttribute attribute = document.attributes.get(a);
+                                    if (attribute instanceof TLRPC.TL_documentAttributeImageSize) {
+                                        photoWidth = attribute.w;
+                                        photoHeight = attribute.h;
+                                        break;
+                                    }
+                                }
+                                if (photoWidth > 512 || photoHeight > 512) {
+                                    openPhotoViewerForMessage(cell, message);
+                                }
+                                return;
+                            }
                             StickersAlert alert = new StickersAlert(getParentActivity(), ChatActivity.this, message.getInputStickerSet(), null, bottomOverlayChat.getVisibility() != View.VISIBLE && (currentChat == null || ChatObject.canSendStickers(currentChat)) ? chatActivityEnterView : null);
                             alert.setCalcMandatoryInsets(isKeyboardVisible());
                             showDialog(alert);