tdesktop/Telegram/SourceFiles/history/history_widget.h

872 lines
27 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
Telegram Desktop is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
It is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
*/
#pragma once
#include "storage/localimageloader.h"
#include "ui/widgets/tooltip.h"
#include "history/history_common.h"
#include "chat_helpers/field_autocomplete.h"
#include "window/section_widget.h"
#include "core/single_timer.h"
#include "ui/widgets/input_fields.h"
namespace InlineBots {
namespace Layout {
class ItemBase;
class Widget;
} // namespace Layout
class Result;
} // namespace InlineBots
namespace Ui {
class AbstractButton;
class InnerDropdown;
class DropdownMenu;
class PlainShadow;
class PopupMenu;
class IconButton;
class HistoryDownButton;
class EmojiButton;
class SendButton;
class FlatButton;
class LinkButton;
class RoundButton;
} // namespace Ui
namespace Window {
class Controller;
class TopBarWidget;
} // namespace Window
namespace ChatHelpers {
class TabbedPanel;
class TabbedSection;
class TabbedSelector;
} // namespace ChatHelpers
class DragArea;
class SilentToggle;
class SendFilesBox;
class BotKeyboard;
class MessageField;
class HistoryInner;
class ReportSpamPanel : public TWidget {
Q_OBJECT
public:
ReportSpamPanel(QWidget *parent);
void setReported(bool reported, PeerData *onPeer);
signals:
void hideClicked();
void reportClicked();
void clearClicked();
protected:
void resizeEvent(QResizeEvent *e) override;
void paintEvent(QPaintEvent *e) override;
private:
object_ptr<Ui::FlatButton> _report;
object_ptr<Ui::FlatButton> _hide;
object_ptr<Ui::LinkButton> _clear;
};
class HistoryHider : public TWidget, private base::Subscriber {
Q_OBJECT
public:
HistoryHider(MainWidget *parent, const SelectedItemSet &items); // forward messages
HistoryHider(MainWidget *parent, UserData *sharedContact); // share contact
HistoryHider(MainWidget *parent); // send path from command line argument
HistoryHider(MainWidget *parent, const QString &url, const QString &text); // share url
HistoryHider(MainWidget *parent, const QString &botAndQuery); // inline switch button handler
bool withConfirm() const;
bool offerPeer(PeerId peer);
QString offeredText() const;
QString botAndQuery() const {
return _botAndQuery;
}
bool wasOffered() const;
void forwardDone();
~HistoryHider();
protected:
void paintEvent(QPaintEvent *e) override;
void keyPressEvent(QKeyEvent *e) override;
void mousePressEvent(QMouseEvent *e) override;
void resizeEvent(QResizeEvent *e) override;
public slots:
void startHide();
void forward();
signals:
void forwarded();
private:
void refreshLang();
void updateControlsGeometry();
void animationCallback();
void init();
MainWidget *parent();
UserData *_sharedContact = nullptr;
SelectedItemSet _forwardItems;
bool _sendPath = false;
QString _shareUrl, _shareText;
QString _botAndQuery;
object_ptr<Ui::RoundButton> _send;
object_ptr<Ui::RoundButton> _cancel;
PeerData *_offered = nullptr;
Animation _a_opacity;
QRect _box;
bool _hiding = false;
mtpRequestId _forwardRequest = 0;
int _chooseWidth = 0;
Text _toText;
int32 _toTextWidth = 0;
QPixmap _cacheForAnim;
};
class HistoryWidget final : public Window::AbstractSectionWidget, public RPCSender {
Q_OBJECT
public:
HistoryWidget(QWidget *parent, gsl::not_null<Window::Controller*> controller);
void start();
void messagesReceived(PeerData *peer, const MTPmessages_Messages &messages, mtpRequestId requestId);
void historyLoaded();
void windowShown();
bool doWeReadServerHistory() const;
void leaveToChildEvent(QEvent *e, QWidget *child) override;
void dragEnterEvent(QDragEnterEvent *e) override;
void dragLeaveEvent(QDragLeaveEvent *e) override;
void dropEvent(QDropEvent *e) override;
bool isItemCompletelyHidden(HistoryItem *item) const;
void updateTopBarSelection();
bool paintTopBar(Painter &p, int decreaseWidth, TimeMs ms);
QRect getMembersShowAreaGeometry() const;
void setMembersShowAreaActive(bool active);
void loadMessages();
void loadMessagesDown();
void firstLoadMessages();
void delayedShowAt(MsgId showAtMsgId);
void peerMessagesUpdated(PeerId peer);
void peerMessagesUpdated();
void newUnreadMsg(History *history, HistoryItem *item);
void historyToDown(History *history);
void historyWasRead(ReadServerHistoryChecks checks);
void unreadCountChanged(History *history);
QRect historyRect() const;
int tabbedSelectorSectionWidth() const;
int minimalWidthForTabbedSelectorSection() const;
bool willSwitchToTabbedSelectorWithWidth(int newWidth) const;
void updateSendAction(History *history, SendAction::Type type, int32 progress = 0);
void cancelSendAction(History *history, SendAction::Type type);
void updateRecentStickers();
void stickersInstalled(uint64 setId);
void sendActionDone(const MTPBool &result, mtpRequestId req);
void destroyData();
void updateFieldPlaceholder();
void updateStickersByEmoji();
bool confirmSendingFiles(const QList<QUrl> &files, CompressConfirm compressed = CompressConfirm::Auto, const QString *addedComment = nullptr);
bool confirmSendingFiles(const QStringList &files, CompressConfirm compressed = CompressConfirm::Auto, const QString *addedComment = nullptr);
bool confirmSendingFiles(const QImage &image, const QByteArray &content, CompressConfirm compressed = CompressConfirm::Auto, const QString &insertTextOnCancel = QString());
bool confirmSendingFiles(const QMimeData *data, CompressConfirm compressed = CompressConfirm::Auto, const QString &insertTextOnCancel = QString());
bool confirmShareContact(const QString &phone, const QString &fname, const QString &lname, const QString *addedComment = nullptr);
void uploadFile(const QByteArray &fileContent, SendMediaType type);
void uploadFiles(const QStringList &files, SendMediaType type);
void sendFileConfirmed(const FileLoadResultPtr &file);
void updateControlsVisibility();
void updateControlsGeometry();
void updateOnlineDisplay();
void updateOnlineDisplayTimer();
void onShareContact(const PeerId &peer, UserData *contact);
void shareContact(const PeerId &peer, const QString &phone, const QString &fname, const QString &lname, MsgId replyTo, int32 userId = 0);
History *history() const;
PeerData *peer() const;
void setMsgId(MsgId showAtMsgId);
MsgId msgId() const;
bool hasTopBarShadow() const {
return peer() != nullptr;
}
void showAnimated(Window::SlideDirection direction, const Window::SectionSlideParams &params);
void finishAnimation();
void doneShow();
QPoint clampMousePosition(QPoint point);
void checkSelectingScroll(QPoint point);
void noSelectingScroll();
bool touchScroll(const QPoint &delta);
uint64 animActiveTimeStart(const HistoryItem *msg) const;
void stopAnimActive();
SelectedItemSet getSelectedItems() const;
void itemEdited(HistoryItem *item);
void updateScrollColors();
MsgId replyToId() const;
void messageDataReceived(ChannelData *channel, MsgId msgId);
bool lastForceReplyReplied(const FullMsgId &replyTo = FullMsgId(NoChannel, -1)) const;
bool cancelReply(bool lastKeyboardUsed = false);
void cancelEdit();
void updateForwarding();
void updateForwardingTexts();
void updateForwardingItemRemovedSubscription();
void clearReplyReturns();
void pushReplyReturn(HistoryItem *item);
QList<MsgId> replyReturns();
void setReplyReturns(PeerId peer, const QList<MsgId> &replyReturns);
void calcNextReplyReturn();
void updatePreview();
void previewCancel();
void step_recording(float64 ms, bool timer);
void stopRecording(bool send);
void onListEscapePressed();
void onListEnterPressed();
void sendBotCommand(PeerData *peer, UserData *bot, const QString &cmd, MsgId replyTo);
void hideSingleUseKeyboard(PeerData *peer, MsgId replyTo);
bool insertBotCommand(const QString &cmd);
bool eventFilter(QObject *obj, QEvent *e) override;
// With force=true the markup is updated even if it is
// already shown for the passed history item.
void updateBotKeyboard(History *h = nullptr, bool force = false);
DragState getDragState(const QMimeData *d);
void fastShowAtEnd(History *h);
void applyDraft(bool parseLinks = true, Ui::FlatTextarea::UndoHistoryAction undoHistoryAction = Ui::FlatTextarea::ClearUndoHistory);
void showHistory(const PeerId &peer, MsgId showAtMsgId, bool reload = false);
void clearDelayedShowAt();
void clearAllLoadRequests();
void saveFieldToHistoryLocalDraft();
void applyCloudDraft(History *history);
void updateHistoryDownPosition();
void updateHistoryDownVisibility();
void updateFieldSubmitSettings();
void setInnerFocus();
bool canSendMessages(PeerData *peer) const;
void updateNotifySettings();
void saveGif(DocumentData *doc);
bool contentOverlapped(const QRect &globalRect);
void grabStart() override {
_inGrab = true;
updateControlsGeometry();
}
void grapWithoutTopBarShadow();
void grabFinish() override;
bool isItemVisible(HistoryItem *item);
void confirmDeleteContextItem();
void confirmDeleteSelectedItems();
void deleteContextItem(bool forEveryone);
void deleteSelectedItems(bool forEveryone);
// Float player interface.
bool wheelEventFromFloatPlayer(QEvent *e, Window::Column myColumn, Window::Column playerColumn) override;
QRect rectForFloatPlayer(Window::Column myColumn, Window::Column playerColumn) override;
void app_sendBotCallback(const HistoryMessageReplyMarkup::Button *button, gsl::not_null<const HistoryItem*> msg, int row, int col);
void ui_repaintHistoryItem(gsl::not_null<const HistoryItem*> item);
PeerData *ui_getPeerForMouseAction();
void notify_historyItemLayoutChanged(const HistoryItem *item);
void notify_botCommandsChanged(UserData *user);
void notify_inlineBotRequesting(bool requesting);
void notify_replyMarkupUpdated(const HistoryItem *item);
void notify_inlineKeyboardMoved(const HistoryItem *item, int oldKeyboardTop, int newKeyboardTop);
bool notify_switchInlineBotButtonReceived(const QString &query, UserData *samePeerBot, MsgId samePeerReplyTo);
void notify_userIsBotChanged(UserData *user);
void notify_migrateUpdated(PeerData *peer);
bool cmd_search();
bool cmd_next_chat();
bool cmd_previous_chat();
~HistoryWidget();
protected:
void resizeEvent(QResizeEvent *e) override;
void keyPressEvent(QKeyEvent *e) override;
void mousePressEvent(QMouseEvent *e) override;
void paintEvent(QPaintEvent *e) override;
void leaveEventHook(QEvent *e) override;
void mouseReleaseEvent(QMouseEvent *e) override;
void mouseMoveEvent(QMouseEvent *e) override;
signals:
void cancelled();
void historyShown(History *history, MsgId atMsgId);
public slots:
void onCancel();
void onReplyToMessage();
void onEditMessage();
void onPinMessage();
void onUnpinMessage();
void onPinnedHide();
void onCopyPostLink();
void onFieldBarCancel();
void onCancelSendAction();
void onPreviewParse();
void onPreviewCheck();
void onPreviewTimeout();
void peerUpdated(PeerData *data);
void onPhotoUploaded(const FullMsgId &msgId, bool silent, const MTPInputFile &file);
void onDocumentUploaded(const FullMsgId &msgId, bool silent, const MTPInputFile &file);
void onThumbDocumentUploaded(const FullMsgId &msgId, bool silent, const MTPInputFile &file, const MTPInputFile &thumb);
void onPhotoProgress(const FullMsgId &msgId);
void onDocumentProgress(const FullMsgId &msgId);
void onPhotoFailed(const FullMsgId &msgId);
void onDocumentFailed(const FullMsgId &msgId);
void onReportSpamClicked();
void onReportSpamHide();
void onReportSpamClear();
void onScroll();
void onHistoryToEnd();
void onSend(bool ctrlShiftEnter = false, MsgId replyTo = -1);
void onUnblock();
void onBotStart();
void onJoinChannel();
void onMuteUnmute();
void onBroadcastSilentChange();
void onKbToggle(bool manual = true);
void onCmdStart();
void activate();
void onStickersUpdated();
void onTextChange();
void onFieldTabbed();
bool onStickerSend(DocumentData *sticker);
void onPhotoSend(PhotoData *photo);
void onInlineResultSend(InlineBots::Result *result, UserData *bot);
void onWindowVisibleChanged();
void forwardMessage();
void selectMessage();
void onFieldFocused();
void onFieldResize();
void onCheckFieldAutocomplete();
void onScrollTimer();
void onForwardSelected();
void onClearSelected();
void onAnimActiveStep();
void onDraftSaveDelayed();
void onDraftSave(bool delayed = false);
void onCloudDraftSave();
void updateStickers();
void onRecordError();
void onRecordDone(QByteArray result, VoiceWaveform waveform, qint32 samples);
void onRecordUpdate(quint16 level, qint32 samples);
void onUpdateHistoryItems();
// checks if we are too close to the top or to the bottom
// in the scroll area and preloads history if needed
void preloadHistoryIfNeeded();
private slots:
void onHashtagOrBotCommandInsert(QString str, FieldAutocomplete::ChooseMethod method);
void onMentionInsert(UserData *user);
void onInlineBotCancel();
void onMembersDropdownShow();
void onModerateKeyActivate(int index, bool *outHandled);
void updateField();
private:
struct SendingFilesLists {
QList<QUrl> nonLocalUrls;
QStringList directories;
QStringList emptyFiles;
QStringList tooLargeFiles;
QStringList filesToSend;
bool allFilesForCompress = true;
};
void handlePendingHistoryUpdate();
void fullPeerUpdated(PeerData *peer);
void topBarClick();
void toggleTabbedSelectorMode();
void updateTabbedSelectorSectionShown();
void recountChatWidth();
void setReportSpamStatus(DBIPeerReportSpamStatus status);
void animationCallback();
void updateOverStates(QPoint pos);
void recordStartCallback();
void recordStopCallback(bool active);
void recordUpdateCallback(QPoint globalPos);
void chooseAttach();
void historyDownAnimationFinish();
void sendButtonClicked();
SendingFilesLists getSendingFilesLists(const QList<QUrl> &files);
SendingFilesLists getSendingFilesLists(const QStringList &files);
void getSendingLocalFileInfo(SendingFilesLists &result, const QString &filepath);
bool confirmSendingFiles(const SendingFilesLists &lists, CompressConfirm compressed = CompressConfirm::Auto, const QString *addedComment = nullptr);
template <typename Callback>
bool validateSendingFiles(const SendingFilesLists &lists, Callback callback);
template <typename SendCallback>
bool showSendFilesBox(object_ptr<SendFilesBox> box, const QString &insertTextOnCancel, const QString *addedComment, SendCallback callback);
// If an empty filepath is found we upload (possible) "image" with (possible) "content".
void uploadFilesAfterConfirmation(const QStringList &files, const QByteArray &content, const QImage &image, std::unique_ptr<FileLoadTask::MediaInformation> information, SendMediaType type, QString caption);
void itemRemoved(HistoryItem *item);
// Updates position of controls around the message field,
// like send button, emoji button and others.
void moveFieldControls();
void updateFieldSize();
void updateTabbedSelectorToggleTooltipGeometry();
void checkTabbedSelectorToggleTooltip();
bool historyHasNotFreezedUnreadBar(History *history) const;
bool canWriteMessage() const;
bool isRestrictedWrite() const;
void orderWidgets();
void clearInlineBot();
void inlineBotChanged();
// Look in the _field for the inline bot and query string.
void updateInlineBotQuery();
// Request to show results in the emoji panel.
void applyInlineBotQuery(UserData *bot, const QString &query);
void cancelReplyAfterMediaSend(bool lastKeyboardUsed);
void hideSelectorControlsAnimated();
int countMembersDropdownHeightMax() const;
void updateReplyToName();
void checkForwardingInfo();
bool editingMessage() const {
return _editMsgId != 0;
}
MsgId _replyToId = 0;
Text _replyToName;
int _replyToNameVersion = 0;
SelectedItemSet _toForward;
Text _toForwardFrom, _toForwardText;
int _toForwardNameVersion = 0;
int _forwardingItemRemovedSubscription = 0;
int _chatWidth = 0;
MsgId _editMsgId = 0;
HistoryItem *_replyEditMsg = nullptr;
Text _replyEditMsgText;
mutable SingleTimer _updateEditTimeLeftDisplay;
object_ptr<Ui::IconButton> _fieldBarCancel;
void updateReplyEditTexts(bool force = false);
struct PinnedBar {
PinnedBar(MsgId msgId, HistoryWidget *parent);
~PinnedBar();
MsgId msgId = 0;
HistoryItem *msg = nullptr;
Text text;
object_ptr<Ui::IconButton> cancel;
object_ptr<Ui::PlainShadow> shadow;
};
std::unique_ptr<PinnedBar> _pinnedBar;
void updatePinnedBar(bool force = false);
bool pinnedMsgVisibilityUpdated();
void destroyPinnedBar();
void unpinDone(const MTPUpdates &updates);
bool sendExistingDocument(DocumentData *doc, const QString &caption);
void sendExistingPhoto(PhotoData *photo, const QString &caption);
void drawField(Painter &p, const QRect &rect);
void paintEditHeader(Painter &p, const QRect &rect, int left, int top) const;
void drawRecording(Painter &p, float64 recordActive);
void drawPinnedBar(Painter &p);
void drawRestrictedWrite(Painter &p);
void updateMouseTracking();
// destroys _history and _migrated unread bars
void destroyUnreadBar();
mtpRequestId _saveEditMsgRequestId = 0;
void saveEditMsg();
void saveEditMsgDone(History *history, const MTPUpdates &updates, mtpRequestId req);
bool saveEditMsgFail(History *history, const RPCError &error, mtpRequestId req);
static const mtpRequestId ReportSpamRequestNeeded = -1;
DBIPeerReportSpamStatus _reportSpamStatus = dbiprsUnknown;
mtpRequestId _reportSpamSettingRequestId = ReportSpamRequestNeeded;
void updateReportSpamStatus();
void requestReportSpamSetting();
void reportSpamSettingDone(const MTPPeerSettings &result, mtpRequestId req);
bool reportSpamSettingFail(const RPCError &error, mtpRequestId req);
QString _previewLinks;
WebPageData *_previewData = nullptr;
typedef QMap<QString, WebPageId> PreviewCache;
PreviewCache _previewCache;
mtpRequestId _previewRequest = 0;
Text _previewTitle;
Text _previewDescription;
SingleTimer _previewTimer;
bool _previewCancelled = false;
void gotPreview(QString links, const MTPMessageMedia &media, mtpRequestId req);
bool _replyForwardPressed = false;
HistoryItem *_replyReturn = nullptr;
QList<MsgId> _replyReturns;
bool messagesFailed(const RPCError &error, mtpRequestId requestId);
void addMessagesToFront(PeerData *peer, const QVector<MTPMessage> &messages);
void addMessagesToBack(PeerData *peer, const QVector<MTPMessage> &messages);
struct BotCallbackInfo {
UserData *bot;
FullMsgId msgId;
int row, col;
bool game;
};
void botCallbackDone(BotCallbackInfo info, const MTPmessages_BotCallbackAnswer &answer, mtpRequestId req);
bool botCallbackFail(BotCallbackInfo info, const RPCError &error, mtpRequestId req);
enum ScrollChangeType {
ScrollChangeNone,
// When we toggle a pinned message.
ScrollChangeAdd,
// When loading a history part while scrolling down.
ScrollChangeNoJumpToBottom,
};
struct ScrollChange {
ScrollChangeType type;
int value;
};
void updateHistoryGeometry(bool initial = false, bool loadedDown = false, const ScrollChange &change = { ScrollChangeNone, 0 });
void updateListSize();
// Does any of the shown histories has this flag set.
bool hasPendingResizedItems() const {
return (_history && _history->hasPendingResizedItems()) || (_migrated && _migrated->hasPendingResizedItems());
}
// Counts scrollTop for placing the scroll right at the unread
// messages bar, choosing from _history and _migrated unreadBar.
int unreadBarTop() const;
int itemTopForHighlight(gsl::not_null<HistoryItem*> item) const;
void scrollToCurrentVoiceMessage(FullMsgId fromId, FullMsgId toId);
// Scroll to current y without updating the _lastUserScrolled time.
// Used to distinguish between user scrolls and syntetic scrolls.
// This one is syntetic.
void synteticScrollToY(int y);
void saveGifDone(DocumentData *doc, const MTPBool &result);
void reportSpamDone(PeerData *peer, const MTPBool &result, mtpRequestId request);
bool reportSpamFail(const RPCError &error, mtpRequestId request);
void unblockDone(PeerData *peer, const MTPBool &result, mtpRequestId req);
bool unblockFail(const RPCError &error, mtpRequestId req);
void blockDone(PeerData *peer, const MTPBool &result);
void joinDone(const MTPUpdates &result, mtpRequestId req);
bool joinFail(const RPCError &error, mtpRequestId req);
void countHistoryShowFrom();
mtpRequestId _stickersUpdateRequest = 0;
void stickersGot(const MTPmessages_AllStickers &stickers);
bool stickersFailed(const RPCError &error);
mtpRequestId _recentStickersUpdateRequest = 0;
void recentStickersGot(const MTPmessages_RecentStickers &stickers);
bool recentStickersFailed(const RPCError &error);
mtpRequestId _featuredStickersUpdateRequest = 0;
void featuredStickersGot(const MTPmessages_FeaturedStickers &stickers);
bool featuredStickersFailed(const RPCError &error);
mtpRequestId _savedGifsUpdateRequest = 0;
void savedGifsGot(const MTPmessages_SavedGifs &gifs);
bool savedGifsFailed(const RPCError &error);
enum class TextUpdateEvent {
SaveDraft = 0x01,
SendTyping = 0x02,
};
Q_DECLARE_FLAGS(TextUpdateEvents, TextUpdateEvent);
Q_DECLARE_FRIEND_OPERATORS_FOR_FLAGS(TextUpdateEvents);
void writeDrafts(Data::Draft **localDraft, Data::Draft **editDraft);
void writeDrafts(History *history);
void setFieldText(const TextWithTags &textWithTags, TextUpdateEvents events = 0, Ui::FlatTextarea::UndoHistoryAction undoHistoryAction = Ui::FlatTextarea::ClearUndoHistory);
void clearFieldText(TextUpdateEvents events = 0, Ui::FlatTextarea::UndoHistoryAction undoHistoryAction = Ui::FlatTextarea::ClearUndoHistory) {
setFieldText(TextWithTags(), events, undoHistoryAction);
}
HistoryItem *getItemFromHistoryOrMigrated(MsgId genericMsgId) const;
void animatedScrollToItem(MsgId msgId);
void animatedScrollToY(int scrollTo, HistoryItem *attachTo = nullptr);
void highlightMessage(HistoryItem *context);
void updateDragAreas();
// when scroll position or scroll area size changed this method
// updates the boundings of the visible area in HistoryInner
void visibleAreaUpdated();
int countInitialScrollTop();
int countAutomaticScrollTop();
void preloadHistoryByScroll();
void checkReplyReturns();
void scrollToAnimationCallback(FullMsgId attachToId);
bool readyToForward() const;
bool hasSilentToggle() const;
PeerData *_peer = nullptr;
ChannelId _channel = NoChannel;
bool _canSendMessages = false;
MsgId _showAtMsgId = ShowAtUnreadMsgId;
mtpRequestId _firstLoadRequest = 0;
mtpRequestId _preloadRequest = 0;
mtpRequestId _preloadDownRequest = 0;
MsgId _delayedShowAtMsgId = -1; // wtf?
mtpRequestId _delayedShowAtRequest = 0;
MsgId _activeAnimMsgId = 0;
object_ptr<Ui::AbstractButton> _backAnimationButton = { nullptr };
object_ptr<Window::TopBarWidget> _topBar;
object_ptr<Ui::ScrollArea> _scroll;
QPointer<HistoryInner> _list;
History *_migrated = nullptr;
History *_history = nullptr;
bool _historyInited = false; // Initial updateHistoryGeometry() was called.
bool _updateHistoryGeometryRequired = false; // If updateListSize() was called without updateHistoryGeometry().
int _addToScroll = 0;
int _lastScrollTop = 0; // gifs optimization
TimeMs _lastScrolled = 0;
QTimer _updateHistoryItems;
TimeMs _lastUserScrolled = 0;
bool _synteticScrollEvent = false;
Animation _scrollToAnimation;
Animation _historyDownShown;
bool _historyDownIsShown = false;
object_ptr<Ui::HistoryDownButton> _historyDown;
object_ptr<FieldAutocomplete> _fieldAutocomplete;
UserData *_inlineBot = nullptr;
QString _inlineBotUsername;
mtpRequestId _inlineBotResolveRequestId = 0;
bool _isInlineBot = false;
void inlineBotResolveDone(const MTPcontacts_ResolvedPeer &result);
bool inlineBotResolveFail(QString name, const RPCError &error);
bool isBotStart() const;
bool isBlocked() const;
bool isJoinChannel() const;
bool isMuteUnmute() const;
bool updateCmdStartShown();
void updateSendButtonType();
bool showRecordButton() const;
bool showInlineBotCancel() const;
object_ptr<ReportSpamPanel> _reportSpamPanel = { nullptr };
object_ptr<Ui::SendButton> _send;
object_ptr<Ui::FlatButton> _unblock;
object_ptr<Ui::FlatButton> _botStart;
object_ptr<Ui::FlatButton> _joinChannel;
object_ptr<Ui::FlatButton> _muteUnmute;
mtpRequestId _unblockRequest = 0;
mtpRequestId _reportSpamRequest = 0;
object_ptr<Ui::IconButton> _attachToggle;
object_ptr<Ui::EmojiButton> _tabbedSelectorToggle;
object_ptr<Ui::ImportantTooltip> _tabbedSelectorToggleTooltip = { nullptr };
bool _tabbedSelectorToggleTooltipShown = false;
object_ptr<Ui::IconButton> _botKeyboardShow;
object_ptr<Ui::IconButton> _botKeyboardHide;
object_ptr<Ui::IconButton> _botCommandStart;
object_ptr<SilentToggle> _silent;
bool _cmdStartShown = false;
object_ptr<MessageField> _field;
bool _recording = false;
bool _inField = false;
bool _inReplyEditForward = false;
bool _inPinnedMsg = false;
bool _inClickable = false;
int _recordingSamples = 0;
int _recordCancelWidth;
// This can animate for a very long time (like in music playing),
// so it should be a BasicAnimation, not an Animation.
BasicAnimation _a_recording;
anim::value a_recordingLevel;
bool kbWasHidden() const;
bool _kbShown = false;
HistoryItem *_kbReplyTo = nullptr;
object_ptr<Ui::ScrollArea> _kbScroll;
QPointer<BotKeyboard> _keyboard;
object_ptr<Ui::InnerDropdown> _membersDropdown = { nullptr };
QTimer _membersDropdownShowTimer;
object_ptr<InlineBots::Layout::Widget> _inlineResults = { nullptr };
object_ptr<ChatHelpers::TabbedPanel> _tabbedPanel;
object_ptr<ChatHelpers::TabbedSection> _tabbedSection = { nullptr };
QPointer<ChatHelpers::TabbedSelector> _tabbedSelector;
bool _tabbedSectionUsed = false;
DragState _attachDrag = DragStateNone;
object_ptr<DragArea> _attachDragDocument, _attachDragPhoto;
bool _nonEmptySelection = false;
TaskQueue _fileLoader;
TextUpdateEvents _textUpdateEvents = (TextUpdateEvent::SaveDraft | TextUpdateEvent::SendTyping);
int64 _serviceImageCacheSize = 0;
QString _confirmSource;
QString _titlePeerText;
bool _titlePeerTextOnline = false;
int _titlePeerTextWidth = 0;
Animation _a_show;
Window::SlideDirection _showDirection;
QPixmap _cacheUnder, _cacheOver;
QTimer _scrollTimer;
int32 _scrollDelta = 0;
QTimer _animActiveTimer;
float64 _animActiveStart = 0;
QMap<QPair<History*, SendAction::Type>, mtpRequestId> _sendActionRequests;
QTimer _sendActionStopTimer;
TimeMs _saveDraftStart = 0;
bool _saveDraftText = false;
QTimer _saveDraftTimer, _saveCloudDraftTimer;
object_ptr<Ui::PlainShadow> _topShadow;
object_ptr<Ui::PlainShadow> _rightShadow = { nullptr };
bool _inGrab = false;
};
Q_DECLARE_OPERATORS_FOR_FLAGS(HistoryWidget::TextUpdateEvents)