init

Telegram/SourceFiles/data/data_drafts.h

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+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+#include "data/data_msg_id.h"
+
+namespace Ui {
+class InputField;
+} // namespace Ui
+
+namespace Main {
+class Session;
+} // namespace Main
+
+namespace Data {
+
+void ApplyPeerCloudDraft(
+	not_null<Main::Session*> session,
+	PeerId peerId,
+	MsgId topicRootId,
+	PeerId monoforumPeerId,
+	const MTPDdraftMessage &draft);
+void ClearPeerCloudDraft(
+	not_null<Main::Session*> session,
+	PeerId peerId,
+	MsgId topicRootId,
+	PeerId monoforumPeerId,
+	TimeId date);
+
+struct WebPageDraft {
+	[[nodiscard]] static WebPageDraft FromItem(not_null<HistoryItem*> item);
+
+	WebPageId id = 0;
+	QString url;
+	bool forceLargeMedia : 1 = false;
+	bool forceSmallMedia : 1 = false;
+	bool invert : 1 = false;
+	bool manual : 1 = false;
+	bool removed : 1 = false;
+
+	friend inline bool operator==(const WebPageDraft&, const WebPageDraft&)
+		= default;
+};
+
+struct Draft {
+	Draft() = default;
+	Draft(
+		const TextWithTags &textWithTags,
+		FullReplyTo reply,
+		SuggestOptions suggest,
+		const MessageCursor &cursor,
+		WebPageDraft webpage,
+		mtpRequestId saveRequestId = 0);
+	Draft(
+		not_null<const Ui::InputField*> field,
+		FullReplyTo reply,
+		SuggestOptions suggest,
+		WebPageDraft webpage,
+		mtpRequestId saveRequestId = 0);
+
+	TimeId date = 0;
+	TextWithTags textWithTags;
+	FullReplyTo reply; // reply.messageId.msg is editMsgId for edit draft.
+	SuggestOptions suggest;
+	MessageCursor cursor;
+	WebPageDraft webpage;
+	mtpRequestId saveRequestId = 0;
+};
+
+class DraftKey {
+public:
+	[[nodiscard]] static constexpr DraftKey None() {
+		return 0;
+	}
+	[[nodiscard]] static constexpr DraftKey Local(
+			MsgId topicRootId,
+			PeerId monoforumPeerId) {
+		return Invalid(topicRootId, monoforumPeerId)
+			? None()
+			: (topicRootId
+				? topicRootId.bare
+				: monoforumPeerId
+				? (monoforumPeerId.value + kMonoforumDraftBit)
+				: kLocalDraftIndex);
+	}
+	[[nodiscard]] static constexpr DraftKey LocalEdit(
+			MsgId topicRootId,
+			PeerId monoforumPeerId) {
+		return Invalid(topicRootId, monoforumPeerId)
+			? None()
+			: (kEditDraftShift
+				+ (topicRootId
+					? topicRootId.bare
+					: monoforumPeerId
+					? (monoforumPeerId.value + kMonoforumDraftBit)
+					: kLocalDraftIndex));
+	}
+	[[nodiscard]] static constexpr DraftKey Cloud(
+			MsgId topicRootId,
+			PeerId monoforumPeerId) {
+		return Invalid(topicRootId, monoforumPeerId)
+			? None()
+			: topicRootId
+			? (kCloudDraftShift + topicRootId.bare)
+			: monoforumPeerId
+			? (kCloudDraftShift + monoforumPeerId.value + kMonoforumDraftBit)
+			: kCloudDraftIndex;
+	}
+	[[nodiscard]] static constexpr DraftKey Scheduled() {
+		return kScheduledDraftIndex;
+	}
+	[[nodiscard]] static constexpr DraftKey ScheduledEdit() {
+		return kScheduledDraftIndex + kEditDraftShift;
+	}
+	[[nodiscard]] static constexpr DraftKey Shortcut(
+			BusinessShortcutId shortcutId) {
+		return (shortcutId < 0 || shortcutId >= ServerMaxMsgId)
+			? None()
+			: (kShortcutDraftShift + shortcutId);
+	}
+	[[nodiscard]] static constexpr DraftKey ShortcutEdit(
+			BusinessShortcutId shortcutId) {
+		return (shortcutId < 0 || shortcutId >= ServerMaxMsgId)
+			? None()
+			: (kShortcutDraftShift + kEditDraftShift + shortcutId);
+	}
+
+	[[nodiscard]] static constexpr DraftKey FromSerialized(qint64 value) {
+		return value;
+	}
+	[[nodiscard]] constexpr qint64 serialize() const {
+		return _value;
+	}
+
+	[[nodiscard]] static constexpr DraftKey FromSerializedOld(int32 value) {
+		return !value
+			? None()
+			: (value == kLocalDraftIndex + kEditDraftShiftOld)
+			? LocalEdit(MsgId(), PeerId())
+			: (value == kScheduledDraftIndex + kEditDraftShiftOld)
+			? ScheduledEdit()
+			: (value > 0 && value < 0x4000'0000)
+			? Local(MsgId(value), PeerId())
+			: (value > kEditDraftShiftOld
+				&& value < kEditDraftShiftOld + 0x4000'000)
+			? LocalEdit(MsgId(int64(value - kEditDraftShiftOld)), PeerId())
+			: None();
+	}
+	[[nodiscard]] constexpr bool isLocal() const {
+		return (_value == kLocalDraftIndex)
+			|| (_value > 0
+				&& (_value & kMonoforumDraftMask) < ServerMaxMsgId.bare);
+	}
+	[[nodiscard]] constexpr bool isCloud() const {
+		return (_value == kCloudDraftIndex)
+			|| ((_value & kMonoforumDraftMask) > kCloudDraftShift
+				&& ((_value & kMonoforumDraftMask)
+					< kCloudDraftShift + ServerMaxMsgId.bare));
+	}
+
+	[[nodiscard]] constexpr MsgId topicRootId() const {
+		const auto max = ServerMaxMsgId.bare;
+		if (_value & kMonoforumDraftBit) {
+			return 0;
+		} else if ((_value > kCloudDraftShift)
+			&& (_value < kCloudDraftShift + max)) {
+			return (_value - kCloudDraftShift);
+		} else if ((_value > kEditDraftShift)
+			&& (_value < kEditDraftShift + max)) {
+			return (_value - kEditDraftShift);
+		} else if (_value > 0 && _value < max) {
+			return _value;
+		}
+		return 0;
+	}
+	[[nodiscard]] constexpr PeerId monoforumPeerId() const {
+		const auto max = ServerMaxMsgId.bare;
+		const auto value = _value & kMonoforumDraftMask;
+		if (!(_value & kMonoforumDraftBit)) {
+			return 0;
+		} else if ((value > kCloudDraftShift)
+			&& (value < kCloudDraftShift + max)) {
+			return PeerId(UserId(value - kCloudDraftShift));
+		} else if ((value > kEditDraftShift)
+			&& (value < kEditDraftShift + max)) {
+			return PeerId(UserId(value - kEditDraftShift));
+		} else if (value > 0 && value < max) {
+			return PeerId(UserId(value));
+		}
+		return 0;
+	}
+
+	friend inline constexpr auto operator<=>(DraftKey, DraftKey) = default;
+	friend inline constexpr bool operator==(DraftKey, DraftKey) = default;
+
+	inline explicit operator bool() const {
+		return _value != 0;
+	}
+
+private:
+	constexpr DraftKey(int64 value) : _value(value) {
+	}
+
+	[[nodiscard]] static constexpr bool Invalid(
+			MsgId topicRootId,
+			PeerId monoforumPeerId) {
+		return (topicRootId < 0)
+			|| (topicRootId >= ServerMaxMsgId)
+			|| !peerIsUser(monoforumPeerId)
+			|| (monoforumPeerId.value >= ServerMaxMsgId);
+	}
+
+	static constexpr auto kLocalDraftIndex = -1;
+	static constexpr auto kCloudDraftIndex = -2;
+	static constexpr auto kScheduledDraftIndex = -3;
+	static constexpr auto kMonoforumDraftBit = (int64(1) << 60);
+	static constexpr auto kMonoforumDraftMask = (kMonoforumDraftBit - 1);
+	static constexpr auto kEditDraftShift = ServerMaxMsgId.bare;
+	static constexpr auto kCloudDraftShift = 2 * ServerMaxMsgId.bare;
+	static constexpr auto kShortcutDraftShift = 3 * ServerMaxMsgId.bare;
+	static constexpr auto kEditDraftShiftOld = 0x3FFF'FFFF;
+
+	int64 _value = 0;
+
+};
+
+using HistoryDrafts = base::flat_map<DraftKey, std::unique_ptr<Draft>>;
+
+[[nodiscard]] inline bool DraftStringIsEmpty(const QString &text) {
+	for (const auto &ch : text) {
+		if (!ch.isSpace()) {
+			return false;
+		}
+	}
+	return true;
+}
+
+[[nodiscard]] inline bool DraftIsNull(const Draft *draft) {
+	return !draft
+		|| (!draft->reply.messageId
+			&& !draft->suggest.exists
+			&& DraftStringIsEmpty(draft->textWithTags.text));
+}
+
+[[nodiscard]] inline bool DraftsAreEqual(const Draft *a, const Draft *b) {
+	const auto aIsNull = DraftIsNull(a);
+	const auto bIsNull = DraftIsNull(b);
+	if (aIsNull) {
+		return bIsNull;
+	} else if (bIsNull) {
+		return false;
+	}
+	return (a->textWithTags == b->textWithTags)
+		&& (a->reply == b->reply)
+		&& (a->suggest == b->suggest)
+		&& (a->webpage == b->webpage);
+}
+
+void SetChatLinkDraft(not_null<PeerData*> peer, TextWithEntities draft);
+
+} // namespace Data