Message Logger: trash icon under the profile menu on logged photos

The expanded profile gallery shows a red trash icon under the menu button
while it shows a logged photo the chat no longer has.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

plugin.json

@@ -3,7 +3,7 @@
   "name": "Message Logger",
   "description": "Shows deleted and edited messages and their edit history from your telegram-panel message logger.",
   "author": "@lyuksovannyy",
-  "version": "0.1.4",
+  "version": "0.1.5",
   "icon": "exteraGramPluginIcons/4",
   "app_version": ">=12.5.1",
   "sdk_version": ">=1.4.4.3",

src/hooks/avatars.py

@@ -29,6 +29,9 @@ from views.history import _epoch
 CONTROLLER = "org.telegram.messenger.MessagesController"
 THUMBS = "org.telegram.ui.Components.GroupedPhotosListView"
 VIEWER = "org.telegram.ui.PhotoViewer"
+GALLERY = "org.telegram.ui.Components.ProfileGalleryView"
+OVERLAYS = "org.telegram.ui.ProfileActivity$OverlaysView"
+_MARK_TAG = "message_logger_trash"
 NOTIFICATIONS = "org.telegram.messenger.NotificationCenter"
 # A logged photo whose id isn't Telegram's (logged by a bot) is the chat's
 # own when one of the chat's photos was set this close to its post.
@@ -87,6 +90,8 @@ class Avatars:
         self._appending = False
         self._updates = {}  # (account, dialog) -> args of its last dialogPhotosUpdate
         self._icon = None
+        self._watched = {}  # gallery hash -> its page listener (kept alive)
+        self._position = None  # ProfileGalleryView.getRealPosition
         self._shown = None  # PhotoViewer.isVisible()
 
     def install(self):
@@ -99,6 +104,20 @@ class Avatars:
                 except Exception as exc:
                     diag.error("avatars.photos", exc)
 
+        class AfterSetData(MethodHook):
+            def after_hooked_method(self, param):
+                try:
+                    avatars.watch_gallery(param.thisObject)
+                except Exception as exc:
+                    diag.error("avatars.gallery", exc)
+
+        class AfterOverlays(MethodHook):
+            def after_hooked_method(self, param):
+                try:
+                    avatars.update_profile(field(param.thisObject, "this$0"))
+                except Exception as exc:
+                    diag.error("avatars.profile", exc)
+
         class AfterThumbs(MethodHook):
             def after_hooked_method(self, param):
                 try:
@@ -115,6 +134,9 @@ class Avatars:
 
         self.handles += hook_methods(self.plugin, CONTROLLER, "getDialogPhotos", AfterPhotos())
         self.handles += hook_methods(self.plugin, THUMBS, "onDraw", AfterThumbs())
+        self.handles += hook_methods(self.plugin, GALLERY, "setData", AfterSetData())
+        for name in ("onDraw", "setAlphaValue"):
+            self.handles += hook_methods(self.plugin, OVERLAYS, name, AfterOverlays())
         self.handles += hook_methods(
             self.plugin, NOTIFICATIONS, "postNotificationName", BeforeNotify()
         )
@@ -344,6 +366,101 @@ class Avatars:
             icon.setBounds(right - size, bottom - size, right, bottom)
             icon.draw(canvas)
 
+    # the profile's trash icon (under the menu button)
+
+    def watch_gallery(self, gallery):
+        """Redraws the icon as the profile's gallery changes page."""
+        key = int(gallery.hashCode())
+        if key in self._watched:
+            return
+        from java import dynamic_proxy, jclass
+
+        listener_class = jclass("androidx.viewpager.widget.ViewPager$OnPageChangeListener")
+        avatars = self
+
+        class Pages(dynamic_proxy(listener_class)):
+            def onPageScrolled(self, position, offset, pixels):
+                pass
+
+            def onPageSelected(self, position):
+                on_ui(lambda: avatars.update_profile(field(gallery, "this$0")))
+
+            def onPageScrollStateChanged(self, state):
+                pass
+
+        listener = Pages()
+        gallery.addOnPageChangeListener(listener)
+        self._watched[key] = listener
+
+    def _current_photo(self, gallery):
+        if self._position is None:
+            method = java_class(GALLERY).getDeclaredMethod("getRealPosition")
+            method.setAccessible(True)
+            self._position = method
+        photos = field(gallery, "photos")
+        index = int(self._position.invoke(gallery))
+        if photos is None or not 0 <= index < photos.size():
+            return None
+        return photos.get(index)
+
+    def update_profile(self, profile):
+        """Shows the icon while the expanded gallery shows a logged photo."""
+        if profile is None or not self._ids:
+            return
+        gallery = field(profile, "avatarsViewPager")
+        if gallery is None:
+            return
+        photo = self._current_photo(gallery)
+        shown = (
+            photo is not None
+            and int(photo.id) in self._ids
+            and bool(field(profile, "isPulledDown"))
+        )
+        mark = self._profile_mark(profile, create=shown)
+        if mark is None:
+            return
+        from android.view import View
+
+        mark.setVisibility(View.VISIBLE if shown else View.GONE)
+        mark.setAlpha(float(field(profile, "currentExpandAnimatorValue") or 1.0))
+
+    def _profile_mark(self, profile, create):
+        root = field(profile, "fragmentView")
+        if root is None or not hasattr(root, "addView"):
+            return None
+        for index in range(root.getChildCount()):
+            child = root.getChildAt(index)
+            if str(child.getTag()) == _MARK_TAG:
+                return child
+        if not create:
+            return None
+        from android.view import Gravity
+        from android.widget import FrameLayout, ImageView
+        from java import jint
+        from org.telegram.messenger import AndroidUtilities
+        from org.telegram.ui.ActionBar import ActionBar, Theme
+
+        from android.graphics import PorterDuff, PorterDuffColorFilter
+        from org.telegram.messenger import R
+
+        from hooks.render import _trash_drawable
+
+        dp = AndroidUtilities.dp
+        icon = _trash_drawable(R.drawable.msg_delete)
+        red = jint(Theme.getColor(Theme.key_text_RedBold))
+        icon.setColorFilter(PorterDuffColorFilter(red, PorterDuff.Mode.SRC_IN))
+        mark = ImageView(root.getContext())
+        mark.setTag(_MARK_TAG)
+        mark.setImageDrawable(icon)
+        mark.setPadding(dp(8), dp(8), dp(8), dp(8))
+        mark.setBackground(Theme.createCircleDrawable(dp(36), jint(0x66000000)))
+        params = FrameLayout.LayoutParams(dp(36), dp(36))
+        params.gravity = Gravity.TOP | Gravity.RIGHT
+        params.topMargin = AndroidUtilities.statusBarHeight + ActionBar.getCurrentActionBarHeight()
+        params.rightMargin = dp(10)
+        root.addView(mark, params)
+        return mark
+
     def _trash(self):
         if self._icon is None:
             from android.graphics import Paint, PorterDuff, PorterDuffColorFilter