Added initial implementation of fallback photo management in settings.

Telegram/Resources/langs/lang.strings

@@ -1039,6 +1039,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_edit_privacy_forwards_always_empty" = "Always allow";
 "lng_edit_privacy_forwards_never_empty" = "Never allow";
 "lng_edit_privacy_forwards_exceptions" = "These settings will override the values above.";
+"lng_edit_privacy_forwards_exceptions_everyone" = "You can add users or entire groups which will not see your profile photo.";
+"lng_edit_privacy_forwards_exceptions_nobody" = "Add users or entire groups which will still see your profile photo.";
 "lng_edit_privacy_forwards_always_title" = "Always allow";
 "lng_edit_privacy_forwards_never_title" = "Never allow";
 "lng_edit_privacy_forwards_sample_message" = "Reinhardt, we need to find you some new tunes 🎶";
@@ -1053,6 +1055,11 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_edit_privacy_profile_photo_exceptions" = "These settings will override the values above.";
 "lng_edit_privacy_profile_photo_always_title" = "Always allow";
 "lng_edit_privacy_profile_photo_never_title" = "Never allow";
+"lng_edit_privacy_profile_photo_public_set" = "Set Public Photo";
+"lng_edit_privacy_profile_photo_public_update" = "Update Public Photo";
+"lng_edit_privacy_profile_photo_public_remove" = "Remove Public Photo";
+"lng_edit_privacy_profile_photo_public_about" = "You can upload a public photo for those who are restricted from viewing your real profile photo.";
+"lng_edit_privacy_profile_photo_public_toast" = "This photo is now set for those who are restricted from viewing your main photo.";
 
 "lng_edit_privacy_voices_title" = "Voice messages settings";
 "lng_edit_privacy_voices_header" = "Who can send me voice messages";
@@ -1183,6 +1190,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 "lng_profile_info_section" = "Info";
 "lng_info_tab_media" = "Media";
+"lng_info_public_photo" = "public photo";
 "lng_info_mobile_label" = "Mobile";
 "lng_info_mobile_hidden" = "Hidden";
 "lng_info_username_label" = "Username";
@@ -2468,6 +2476,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_mediaview_group_photo" = "Group Photo";
 "lng_mediaview_channel_photo" = "Channel Photo";
 "lng_mediaview_profile_photo" = "Profile Photo";
+"lng_mediaview_profile_public_photo" = "Public Photo";
 "lng_mediaview_file_n_of_amount" = "{file} {n} of {amount}";
 "lng_mediaview_n_of_amount" = "Photo {n} of {amount}";
 "lng_mediaview_doc_image" = "File";

Telegram/SourceFiles/boxes/edit_privacy_box.cpp

@@ -276,6 +276,11 @@ void EditPrivacyBox::setupContent() {
 				? tr::lng_edit_privacy_exceptions_count(tr::now, lt_count, count)
 				: tr::lng_edit_privacy_exceptions_add(tr::now);
 		});
+		_controller->handleExceptionsChange(
+			exception,
+			update->events_starting_with({}) | rpl::map([=] {
+				return Settings::ExceptionUsersCount(exceptions(exception));
+			}));
 		auto text = _controller->exceptionButtonTextKey(exception);
 		const auto always = (exception == Exception::Always);
 		const auto button = content->add(

Telegram/SourceFiles/boxes/edit_privacy_box.h

@@ -57,6 +57,10 @@ public:
 		Exception exception) const = 0;
 	[[nodiscard]] virtual auto exceptionsDescription()
 		const -> rpl::producer<QString> = 0;
+	virtual void handleExceptionsChange(
+		Exception exception,
+		rpl::producer<int> value) {
+	}
 
 	[[nodiscard]] virtual object_ptr<Ui::RpWidget> setupAboveWidget(
 			not_null<QWidget*> parent,
@@ -72,7 +76,7 @@ public:
 	}
 	[[nodiscard]] virtual object_ptr<Ui::RpWidget> setupBelowWidget(
 			not_null<Window::SessionController*> controller,
-			not_null<QWidget*> parent) const {
+			not_null<QWidget*> parent) {
 		return { nullptr };
 	}
 

Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp

@@ -4930,16 +4930,24 @@ void OverlayWidget::updateHeader() {
 				lt_amount,
 				QString::number(count));
 		} else {
-			_headerText = tr::lng_mediaview_n_of_amount(
-				tr::now,
-				lt_n,
-				QString::number(index + 1),
-				lt_amount,
-				QString::number(count));
+			if (_user
+				&& (index == count - 1)
+				&& SyncUserFallbackPhotoViewer(_user)) {
+				_headerText = tr::lng_mediaview_profile_public_photo(tr::now);
+			} else {
+				_headerText = tr::lng_mediaview_n_of_amount(
+					tr::now,
+					lt_n,
+					QString::number(index + 1),
+					lt_amount,
+					QString::number(count));
+			}
 		}
 	} else {
 		if (_document) {
-			_headerText = _document->filename().isEmpty() ? tr::lng_mediaview_doc_image(tr::now) : _document->filename();
+			_headerText = _document->filename().isEmpty()
+				? tr::lng_mediaview_doc_image(tr::now)
+				: _document->filename();
 		} else if (_message) {
 			_headerText = tr::lng_mediaview_single_photo(tr::now);
 		} else if (_user) {

Telegram/SourceFiles/settings/settings.style

@@ -15,6 +15,10 @@ settingsButton: SettingsButton(infoProfileButton) {
 	padding: margins(60px, 10px, 22px, 10px);
 	iconLeft: 20px;
 }
+settingsButtonLight: SettingsButton(settingsButton) {
+	textFg: lightButtonFg;
+	textFgOver: lightButtonFgOver;
+}
 settingsButtonNoIcon: SettingsButton(settingsButton) {
 	padding: margins(22px, 10px, 22px, 8px);
 }
@@ -24,6 +28,10 @@ settingsAttentionButton: SettingsButton(settingsButtonNoIcon) {
 	textFg: attentionButtonFg;
 	textFgOver: attentionButtonFgOver;
 }
+settingsAttentionButtonWithIcon: SettingsButton(settingsButton) {
+	textFg: attentionButtonFg;
+	textFgOver: attentionButtonFgOver;
+}
 settingsOptionDisabled: SettingsButton(settingsButtonNoIcon) {
 	textFg: windowSubTextFg;
 	textFgOver: windowSubTextFg;
@@ -94,6 +102,7 @@ settingsIconDownload: icon {{ "settings/download", settingsIconFg }};
 settingsIconMention: icon {{ "settings/mention", settingsIconFg }};
 settingsIconTopics: icon {{ "settings/topics", settingsIconFg }};
 settingsIconTTL: icon {{ "settings/ttl", settingsIconFg }};
+settingsIconPhoto: icon {{ "settings/photo", settingsIconFg }};
 
 settingsPremiumIconChannelsOff: icon {{ "settings/premium/channels_off", settingsIconFg }};
 settingsPremiumIconDouble: icon {{ "settings/premium/double", settingsIconFg }};

Telegram/SourceFiles/settings/settings_privacy_controllers.cpp

@@ -7,45 +7,55 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "settings/settings_privacy_controllers.h"
 
-#include "settings/settings_common.h"
-#include "lang/lang_keys.h"
+#include "api/api_peer_photo.h"
 #include "apiwrap.h"
-#include "main/main_session.h"
-#include "data/data_user.h"
-#include "data/data_session.h"
-#include "data/data_changes.h"
-#include "data/data_peer_values.h" // Data::AmPremiumValue.
+#include "base/call_delayed.h"
+#include "base/event_filter.h"
+#include "base/unixtime.h"
+#include "boxes/peer_list_controllers.h"
+#include "boxes/peers/peer_short_info_box.h"
+#include "boxes/peers/prepare_short_info_box.h"
+#include "calls/calls_instance.h"
 #include "core/application.h"
 #include "core/core_settings.h"
+#include "data/data_changes.h"
+#include "data/data_file_origin.h"
+#include "data/data_peer_values.h" // Data::AmPremiumValue.
+#include "data/data_photo_media.h"
+#include "data/data_session.h"
+#include "data/data_user.h"
+#include "data/data_user_photos.h" // UserPhotosViewer.
+#include "editor/photo_editor_layer_widget.h"
 #include "history/admin_log/history_admin_log_item.h"
+#include "history/history.h"
+#include "history/history_item.h"
+#include "history/history_item_components.h"
 #include "history/view/history_view_element.h"
 #include "history/view/history_view_message.h"
-#include "history/history_item_components.h"
-#include "history/history_item.h"
-#include "history/history.h"
-#include "calls/calls_instance.h"
-#include "base/unixtime.h"
-#include "base/event_filter.h"
-#include "ui/chat/chat_theme.h"
-#include "ui/chat/chat_style.h"
-#include "ui/widgets/checkbox.h"
-#include "ui/wrap/padding_wrap.h"
-#include "ui/wrap/vertical_layout.h"
-#include "ui/wrap/slide_wrap.h"
-#include "ui/image/image_prepare.h"
+#include "lang/lang_keys.h"
+#include "main/main_session.h"
+#include "settings/settings_common.h"
+#include "settings/settings_privacy_security.h"
+#include "ui/boxes/confirm_box.h"
 #include "ui/cached_round_corners.h"
+#include "ui/chat/chat_style.h"
+#include "ui/chat/chat_theme.h"
+#include "ui/image/image_prepare.h"
+#include "ui/image/image_prepare.h"
+#include "ui/painter.h"
 #include "ui/text/format_values.h" // Ui::FormatPhone
 #include "ui/text/text_utilities.h"
-#include "ui/painter.h"
+#include "ui/widgets/checkbox.h"
+#include "ui/wrap/padding_wrap.h"
+#include "ui/wrap/slide_wrap.h"
+#include "ui/wrap/vertical_layout.h"
 #include "window/section_widget.h"
 #include "window/window_controller.h"
 #include "window/window_session_controller.h"
-#include "boxes/peer_list_controllers.h"
-#include "ui/boxes/confirm_box.h"
-#include "settings/settings_privacy_security.h"
 #include "styles/style_chat.h"
 #include "styles/style_boxes.h"
 #include "styles/style_settings.h"
+#include "styles/style_info.h"
 
 #include <QtGui/QGuiApplication>
 #include <QtGui/QClipboard>
@@ -744,7 +754,7 @@ auto CallsPrivacyController::exceptionsDescription() const
 
 object_ptr<Ui::RpWidget> CallsPrivacyController::setupBelowWidget(
 		not_null<Window::SessionController*> controller,
-		not_null<QWidget*> parent) const {
+		not_null<QWidget*> parent) {
 	auto result = object_ptr<Ui::VerticalLayout>(parent);
 	const auto content = result.data();
 
@@ -1018,14 +1028,160 @@ rpl::producer<QString> ProfilePhotoPrivacyController::title() const {
 	return tr::lng_edit_privacy_profile_photo_title();
 }
 
-bool ProfilePhotoPrivacyController::hasOption(Option option) const {
-	return (option != Option::Nobody);
-}
-
 rpl::producer<QString> ProfilePhotoPrivacyController::optionsTitleKey() const {
 	return tr::lng_edit_privacy_profile_photo_header();
 }
 
+object_ptr<Ui::RpWidget> ProfilePhotoPrivacyController::setupAboveWidget(
+		not_null<QWidget*> parent,
+		rpl::producer<Option> optionValue,
+		not_null<QWidget*> outerContainer) {
+	_option = std::move(optionValue);
+	return nullptr;
+}
+
+object_ptr<Ui::RpWidget> ProfilePhotoPrivacyController::setupBelowWidget(
+		not_null<Window::SessionController*> controller,
+		not_null<QWidget*> parent) {
+	const auto self = controller->session().user();
+	auto widget = object_ptr<Ui::SlideWrap<Ui::VerticalLayout>>(
+		parent,
+		object_ptr<Ui::VerticalLayout>(parent));
+
+	const auto container = widget->entity();
+	struct State {
+		void updatePhoto(QImage &&image, bool local) {
+			auto result = image.scaled(
+				userpicSize * style::DevicePixelRatio(),
+				Qt::KeepAspectRatio,
+				Qt::SmoothTransformation);
+			result = Images::Round(
+				std::move(result),
+				ImageRoundRadius::Ellipse);
+			result.setDevicePixelRatio(style::DevicePixelRatio());
+			(local ? localPhoto : photo) = std::move(result);
+			if (local) {
+				localOriginal = std::move(image);
+			}
+			hasPhoto.fire(!localPhoto.isNull() || !photo.isNull());
+		}
+
+		rpl::event_stream<bool> hasPhoto;
+		rpl::variable<bool> hiddenByUser = false;
+		rpl::variable<QString> setUserpicButtonText;
+		QSize userpicSize;
+		QImage photo;
+		QImage localPhoto;
+		QImage localOriginal;
+	};
+	const auto state = container->lifetime().make_state<State>();
+	state->userpicSize = QSize(
+		st::inviteLinkUserpics.size,
+		st::inviteLinkUserpics.size);
+
+	AddSkip(container);
+	const auto setUserpicButton = AddButton(
+		container,
+		state->setUserpicButtonText.value(),
+		st::settingsButtonLight,
+		{ &st::settingsIconPhoto, kIconLightBlue });
+	const auto &stRemoveButton = st::settingsAttentionButtonWithIcon;
+	const auto removeButton = container->add(
+		object_ptr<Ui::SlideWrap<Ui::SettingsButton>>(
+			container,
+			object_ptr<Ui::SettingsButton>(
+				parent,
+				tr::lng_edit_privacy_profile_photo_public_remove(),
+				stRemoveButton)));
+	AddSkip(container);
+	AddDividerText(
+		container,
+		tr::lng_edit_privacy_profile_photo_public_about());
+
+	const auto userpic = Ui::CreateChild<Ui::RpWidget>(
+		removeButton->entity());
+	userpic->resize(state->userpicSize);
+	userpic->paintRequest(
+	) | rpl::start_with_next([=](const QRect &r) {
+		auto p = QPainter(userpic);
+		p.fillRect(r, Qt::transparent);
+		if (!state->localPhoto.isNull()) {
+			p.drawImage(0, 0, state->localPhoto);
+		} else if (!state->photo.isNull()) {
+			p.drawImage(0, 0, state->photo);
+		}
+	}, userpic->lifetime());
+	removeButton->entity()->heightValue(
+	) | rpl::start_with_next([=,
+			left = stRemoveButton.iconLeft,
+			width = st::settingsIconPhoto.width()](int height) {
+		userpic->moveToLeft(
+			left + (width - userpic->width()) / 2,
+			(height - userpic->height()) / 2);
+	}, userpic->lifetime());
+	removeButton->toggleOn(rpl::combine(
+		state->hasPhoto.events_starting_with(false),
+		state->hiddenByUser.value()
+	) | rpl::map(rpl::mappers::_1 && !rpl::mappers::_2));
+
+	(
+		PrepareShortInfoFallbackUserpic(self, st::shortInfoCover).value
+	) | rpl::start_with_next([=](PeerShortInfoUserpic info) {
+		state->updatePhoto(base::take(info.photo), false);
+		userpic->update();
+	}, userpic->lifetime());
+	setUserpicButton->setClickedCallback([=] {
+		base::call_delayed(
+			st::settingsButton.ripple.hideDuration,
+			crl::guard(container, [=] {
+				Editor::PrepareProfilePhotoFromFile(
+					container,
+					&controller->window(),
+					ImageRoundRadius::Ellipse,
+					[=](QImage &&image) {
+						state->updatePhoto(std::move(image), true);
+						state->hiddenByUser = false;
+						userpic->update();
+					});
+			}));
+	});
+	removeButton->entity()->setClickedCallback([=] {
+		state->hiddenByUser = true;
+	});
+	state->setUserpicButtonText = removeButton->toggledValue(
+	) | rpl::map([](bool toggled) {
+		return !toggled
+			? tr::lng_edit_privacy_profile_photo_public_set()
+			: tr::lng_edit_privacy_profile_photo_public_update();
+	}) | rpl::flatten_latest();
+
+	_saveAdditional = [=] {
+		if (removeButton->isHidden()) {
+			const auto photoId = SyncUserFallbackPhotoViewer(self);
+			if (const auto photo = self->owner().photo(*photoId)) {
+				controller->session().api().peerPhoto().clear(photo);
+			}
+		} else if (!state->localOriginal.isNull()) {
+			controller->session().api().peerPhoto().uploadFallback(
+				self,
+				base::take(state->localOriginal));
+		}
+	};
+
+	widget->toggleOn(rpl::combine(
+		_option.value(),
+		_exceptionsNever.value()
+	) | rpl::map(rpl::mappers::_1 != Option::Everyone || rpl::mappers::_2));
+
+	return widget;
+}
+
+void ProfilePhotoPrivacyController::saveAdditional() {
+	if (_saveAdditional) {
+		_saveAdditional();
+	}
+}
+
 rpl::producer<QString> ProfilePhotoPrivacyController::exceptionButtonTextKey(
 		Exception exception) const {
 	switch (exception) {
@@ -1054,7 +1210,30 @@ rpl::producer<QString> ProfilePhotoPrivacyController::exceptionBoxTitle(
 
 auto ProfilePhotoPrivacyController::exceptionsDescription() const
 -> rpl::producer<QString> {
-	return tr::lng_edit_privacy_profile_photo_exceptions();
+	return _option.value(
+	) | rpl::map([](Option option) {
+		switch (option) {
+		case Option::Everyone: {
+			return tr::lng_edit_privacy_forwards_exceptions_everyone();
+		};
+		case Option::Contacts: {
+			return tr::lng_edit_privacy_forwards_exceptions();
+		};
+		case Option::Nobody: {
+			return tr::lng_edit_privacy_forwards_exceptions_nobody();
+		};
+		}
+		Unexpected("Option value in exceptionsDescription.");
+	}) | rpl::flatten_latest();
+}
+
+
+void ProfilePhotoPrivacyController::handleExceptionsChange(
+		Exception exception,
+		rpl::producer<int> value) {
+	if (exception == Exception::Never) {
+		_exceptionsNever = std::move(value);
+	}
 }
 
 VoicesPrivacyController::VoicesPrivacyController(

Telegram/SourceFiles/settings/settings_privacy_controllers.h

@@ -153,7 +153,7 @@ public:
 
 	object_ptr<Ui::RpWidget> setupBelowWidget(
 		not_null<Window::SessionController*> controller,
-		not_null<QWidget*> parent) const override;
+		not_null<QWidget*> parent) override;
 
 };
 
@@ -220,7 +220,6 @@ public:
 	Key key() const override;
 
 	rpl::producer<QString> title() const override;
-	bool hasOption(Option option) const override;
 	rpl::producer<QString> optionsTitleKey() const override;
 	rpl::producer<QString> exceptionButtonTextKey(
 		Exception exception) const override;
@@ -228,6 +227,26 @@ public:
 		Exception exception) const override;
 	rpl::producer<QString> exceptionsDescription() const override;
 
+	void handleExceptionsChange(
+		Exception exception,
+		rpl::producer<int> value) override;
+
+	object_ptr<Ui::RpWidget> setupAboveWidget(
+		not_null<QWidget*> parent,
+		rpl::producer<Option> optionValue,
+		not_null<QWidget*> outerContainer) override;
+
+	object_ptr<Ui::RpWidget> setupBelowWidget(
+		not_null<Window::SessionController*> controller,
+		not_null<QWidget*> parent) override;
+
+	void saveAdditional() override;
+
+private:
+	Fn<void()> _saveAdditional;
+	rpl::variable<Option> _option;
+	rpl::variable<int> _exceptionsNever;
+
 };
 
 class VoicesPrivacyController final : public EditPrivacyController {

Telegram/SourceFiles/ui/controls/userpic_button.cpp

@@ -254,14 +254,14 @@ void UserpicButton::choosePhotoLocally() {
 		base::call_delayed(
 			_st.changeButton.ripple.hideDuration,
 			crl::guard(this, [=] {
-			Editor::PrepareProfilePhotoFromFile(
-				this,
-				_window,
-				((_peer && _peer->isForum())
-					? ImageRoundRadius::Large
-					: ImageRoundRadius::Ellipse),
-				callback(type));
-		}));
+				Editor::PrepareProfilePhotoFromFile(
+					this,
+					_window,
+					((_peer && _peer->isForum())
+						? ImageRoundRadius::Large
+						: ImageRoundRadius::Ellipse),
+					callback(type));
+			}));
 	};
 	if (!IsCameraAvailable()) {
 		chooseFile();