feat: disable custom backgrounds

Telegram/Resources/langs/lang.strings

@@ -4835,12 +4835,18 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "ayu_KeepAliveService" = "AyuGram Push Service";
 "ayu_DisableAds" = "Disable ads";
 "ayu_DisableStories" = "Disable stories";
+"ayu_DisableCustomBackgrounds" = "Disable custom backgrounds";
 "ayu_DisableNotificationsDelay" = "Disable notify delay";
 "ayu_LocalPremium" = "Local Telegram Premium";
 "ayu_CopyUsernameAsLink" = "Copy username as link";
 "ayu_CustomizationHeader" = "Customization";
 "ayu_DeletedMarkText" = "Deleted mark";
+"ayu_DeletedMarkNothing" = "Nothing";
+"ayu_DeletedMarkTrashBin" = "Trash Bin";
+"ayu_DeletedMarkCross" = "Cross";
+"ayu_DeletedMarkEyeCrossed" = "Eye crossed";
 "ayu_EditedMarkText" = "Edited mark";
+"ayu_SemiTransparentDeletedMessages" = "Semi-transparent deleted messages";
 "ayu_HideNotificationCounters" = "Hide notification counters";
 "ayu_HideAllChats" = "Hide \"All chats\" folder";
 "ayu_ShowGhostToggleInDrawer" = "Show ghost mode toggle";

Telegram/SourceFiles/ayu/ayu_settings.cpp

@@ -200,6 +200,7 @@ AyuGramSettings::AyuGramSettings() {
 	// ~ QoL toggles
 	disableAds = true;
 	disableStories = false;
+	disableCustomBackgrounds = true;
 	collapseSimilarChannels = true;
 	hideSimilarChannels = false;
 
@@ -326,6 +327,10 @@ void AyuGramSettings::set_disableStories(bool val) {
 	disableStories = val;
 }
 
+void AyuGramSettings::set_disableCustomBackgrounds(bool val) {
+	disableCustomBackgrounds = val;
+}
+
 void AyuGramSettings::set_collapseSimilarChannels(bool val) {
 	collapseSimilarChannels = val;
 }

Telegram/SourceFiles/ayu/ayu_settings.h

@@ -33,6 +33,7 @@ public:
 
 	bool disableAds;
 	bool disableStories;
+	bool disableCustomBackgrounds;
 	bool collapseSimilarChannels;
 	bool hideSimilarChannels;
 
@@ -94,6 +95,7 @@ public:
 
 	void set_disableAds(bool val);
 	void set_disableStories(bool val);
+	void set_disableCustomBackgrounds(bool val);
 	void set_collapseSimilarChannels(bool val);
 	void set_hideSimilarChannels(bool val);
 
@@ -153,6 +155,7 @@ NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE_WITH_DEFAULT(
 	saveMessagesHistory,
 	disableAds,
 	disableStories,
+	disableCustomBackgrounds,
 	collapseSimilarChannels,
 	hideSimilarChannels,
 	uploadSpeedBoost,

Telegram/SourceFiles/ayu/ui/settings/settings_ayu.cpp

@@ -595,6 +595,25 @@ void SetupQoLToggles(not_null<Ui::VerticalLayout*> container) {
 		},
 		container->lifetime());
 
+	AddButtonWithIcon(
+		container,
+		tr::ayu_DisableCustomBackgrounds(),
+		st::settingsButtonNoIcon
+	)->toggleOn(
+		rpl::single(settings->disableCustomBackgrounds)
+	)->toggledValue(
+	) | rpl::filter(
+		[=](bool enabled)
+		{
+			return (enabled != settings->disableCustomBackgrounds);
+		}) | start_with_next(
+		[=](bool enabled)
+		{
+			settings->set_disableCustomBackgrounds(enabled);
+			AyuSettings::save();
+		},
+		container->lifetime());
+
 	AddButtonWithIcon(
 		container,
 		tr::ayu_SimpleQuotesAndReplies(),

Telegram/SourceFiles/window/section_widget.cpp

@@ -32,6 +32,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include <rpl/range.h>
 
+// AyuGram includes
+#include "ayu/ayu_settings.h"
+
+
 namespace Window {
 namespace {
 
@@ -471,6 +475,12 @@ auto ChatThemeValueFromPeer(
 		peer
 	) | rpl::map([=](ResolvedTheme resolved)
 	-> rpl::producer<std::shared_ptr<Ui::ChatTheme>> {
+		const auto settings = &AyuSettings::getInstance();
+		// this check ensures that background is not a pattern wallpaper in a private chat
+		if (settings->disableCustomBackgrounds && resolved.paper && resolved.paper->media) {
+			resolved.paper = std::nullopt;
+		}
+
 		if (!resolved.theme && !resolved.paper) {
 			return rpl::single(controller->defaultChatTheme());
 		}