Implement some power saving options.

Telegram/SourceFiles/chat_helpers/emoji_list_widget.cpp

@@ -19,6 +19,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/effects/premium_graphics.h"
 #include "ui/emoji_config.h"
 #include "ui/painter.h"
+#include "ui/power_saving.h"
 #include "ui/ui_utility.h"
 #include "ui/cached_round_corners.h"
 #include "boxes/sticker_set_box.h"
@@ -709,9 +710,13 @@ object_ptr<TabbedSelector::InnerFooter> EmojiListWidget::createFooter() {
 	Expects(_footer == nullptr);
 
 	using FooterDescriptor = StickersListFooter::Descriptor;
+	const auto flag = powerSavingFlag();
+	const auto footerPaused = [method = pausedMethod(), flag]() {
+		return On(flag) || method();
+	};
 	auto result = object_ptr<StickersListFooter>(FooterDescriptor{
 		.session = &session(),
-		.paused = pausedMethod(),
+		.paused = footerPaused,
 		.parent = this,
 		.st = &st(),
 	});
@@ -1006,7 +1011,7 @@ void EmojiListWidget::validateEmojiPaintContext(
 		.size = QSize(_customSingleSize, _customSingleSize),
 		.now = crl::now(),
 		.scale = context.progress,
-		.paused = paused(),
+		.paused = On(powerSavingFlag()) || paused(),
 		.scaled = context.expanding,
 	};
 	if (!_emojiPaintContext) {
@@ -2179,6 +2184,14 @@ QPoint EmojiListWidget::buttonRippleTopLeft(int section) const {
 			: QPoint());
 }
 
+PowerSaving::Flag EmojiListWidget::powerSavingFlag() const {
+	const auto reactions = (_mode == Mode::FullReactions)
+		|| (_mode == Mode::RecentReactions);
+	return reactions
+		? PowerSaving::kEmojiReactions
+		: PowerSaving::kEmojiPanel;
+}
+
 void EmojiListWidget::refreshEmoji() {
 	refreshRecent();
 	refreshCustom();

Telegram/SourceFiles/chat_helpers/emoji_list_widget.h

@@ -24,6 +24,10 @@ namespace Data {
 class StickersSet;
 } // namespace Data
 
+namespace PowerSaving {
+enum Flag : uint32;
+} // namespace PowerSaving
+
 namespace tr {
 template <typename ...Tags>
 struct phrase;
@@ -322,6 +326,7 @@ private:
 	[[nodiscard]] std::unique_ptr<Ui::RippleAnimation> createButtonRipple(
 		int section);
 	[[nodiscard]] QPoint buttonRippleTopLeft(int section) const;
+	[[nodiscard]] PowerSaving::Flag powerSavingFlag() const;
 
 	void repaintCustom(uint64 setId);
 

Telegram/SourceFiles/chat_helpers/message_field.cpp

@@ -22,6 +22,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/wrap/vertical_layout.h"
 #include "ui/widgets/buttons.h"
 #include "ui/widgets/popup_menu.h"
+#include "ui/power_saving.h"
 #include "ui/ui_utility.h"
 #include "data/data_session.h"
 #include "data/data_user.h"
@@ -325,6 +326,9 @@ void InitMessageFieldHandlers(
 		const style::InputField *fieldStyle) {
 	field->setTagMimeProcessor(
 		FieldTagMimeProcessor(session, allowPremiumEmoji));
+	const auto paused = [customEmojiPaused] {
+		return On(PowerSaving::kEmojiChat) || customEmojiPaused();
+	};
 	field->setCustomEmojiFactory(
 		session->data().customEmojiManager().factory(),
 		std::move(customEmojiPaused));

Telegram/SourceFiles/chat_helpers/stickers_list_widget.cpp

@@ -27,6 +27,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/effects/premium_graphics.h"
 #include "ui/image/image.h"
 #include "ui/cached_round_corners.h"
+#include "ui/power_saving.h"
 #include "lottie/lottie_multi_player.h"
 #include "lottie/lottie_single_player.h"
 #include "lottie/lottie_animation.h"
@@ -265,10 +266,14 @@ auto StickersListWidget::choosingUpdated() const
 object_ptr<TabbedSelector::InnerFooter> StickersListWidget::createFooter() {
 	Expects(_footer == nullptr);
 
+	const auto footerPaused = [method = pausedMethod()] {
+		return On(PowerSaving::kStickersPanel) || method();
+	};
+
 	using FooterDescriptor = StickersListFooter::Descriptor;
 	auto result = object_ptr<StickersListFooter>(FooterDescriptor{
 		.session = &session(),
-		.paused = pausedMethod(),
+		.paused = footerPaused,
 		.parent = this,
 		.settingsButtonVisible = true,
 	});
@@ -854,7 +859,8 @@ void StickersListWidget::paintStickers(Painter &p, QRect clip) {
 		: &_selected);
 
 	const auto now = crl::now();
-	const auto paused = this->paused();
+	const auto paused = On(PowerSaving::kStickersPanel)
+		|| this->paused();
 	if (sets.empty() && _section == Section::Search) {
 		paintEmptySearchResults(p);
 	}