tdesktop/Telegram/SourceFiles/intro/introwidget.h

262 lines
6.4 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) 2014-2016 John Preston, https://desktop.telegram.org
*/
#pragma once
namespace Ui {
class IconButton;
class RoundButton;
class LinkButton;
class SlideAnimation;
class CrossFadeAnimation;
class FlatLabel;
template <typename Widget>
class WidgetFadeWrap;
} // namespace Ui
namespace Intro {
class Widget : public TWidget, public RPCSender {
Q_OBJECT
public:
Widget(QWidget *parent);
void showAnimated(const QPixmap &bgAnimCache, bool back = false);
void setInnerFocus();
~Widget();
protected:
void paintEvent(QPaintEvent *e) override;
void resizeEvent(QResizeEvent *e) override;
void keyPressEvent(QKeyEvent *e) override;
signals:
void countryChanged();
#ifndef TDESKTOP_DISABLE_AUTOUPDATE
private slots:
void onCheckUpdateStatus();
#endif // TDESKTOP_DISABLE_AUTOUPDATE
// Internal interface.
public:
struct Data {
QString country;
QString phone;
QString phoneHash;
bool phoneIsRegistered = false;
enum class CallStatus {
Waiting,
Calling,
Called,
Disabled,
};
CallStatus callStatus = CallStatus::Disabled;
int callTimeout = 0;
QString code;
int codeLength = 5;
bool codeByTelegram = false;
QByteArray pwdSalt;
bool hasRecovery = false;
QString pwdHint;
base::Observable<void> updated;
};
enum class Direction {
Back,
Forward,
Replace,
};
class Step : public TWidget, public RPCSender {
public:
Step(QWidget *parent, Data *data, bool hasCover = false);
virtual void setInnerFocus() {
setFocus();
}
void setGoCallback(base::lambda<void(Step *step, Direction direction)> &&callback);
void setShowResetCallback(base::lambda<void()> &&callback);
void prepareShowAnimated(Step *after);
void showAnimated(Direction direction);
void showFast();
bool animating() const;
bool hasCover() const;
virtual bool hasBack() const;
virtual void activate();
virtual void cancelled();
virtual void finished();
virtual void submit() = 0;
virtual QString nextButtonText() const;
int contentLeft() const;
int contentTop() const;
void setErrorCentered(bool centered);
void setErrorBelowLink(bool below);
void showError(const QString &text);
void hideError() {
showError(QString());
}
~Step();
protected:
void paintEvent(QPaintEvent *e) override;
void resizeEvent(QResizeEvent *e) override;
void setTitleText(QString richText);
void setDescriptionText(QString richText);
bool paintAnimated(Painter &p, QRect clip);
void fillSentCodeData(const MTPauth_SentCodeType &type);
void showDescription();
void hideDescription();
Data *getData() const {
return _data;
}
void finish(const MTPUser &user, QImage photo = QImage());
void goBack() {
if (_goCallback) _goCallback(nullptr, Direction::Back);
}
void goNext(Step *step) {
if (_goCallback) _goCallback(step, Direction::Forward);
}
void goReplace(Step *step) {
if (_goCallback) _goCallback(step, Direction::Replace);
}
void showResetButton() {
if (_showResetCallback) _showResetCallback();
}
private:
struct CoverAnimation {
CoverAnimation() = default;
CoverAnimation(CoverAnimation &&other) = default;
CoverAnimation &operator=(CoverAnimation &&other) = default;
~CoverAnimation();
std_::unique_ptr<Ui::CrossFadeAnimation> title;
std_::unique_ptr<Ui::CrossFadeAnimation> description;
// From content top till the next button top.
QPixmap contentSnapshotWas;
QPixmap contentSnapshotNow;
};
void updateLabelsPosition();
void paintContentSnapshot(Painter &p, const QPixmap &snapshot, float64 alpha, float64 howMuchHidden);
CoverAnimation prepareCoverAnimation(Step *step);
QPixmap prepareContentSnapshot();
QPixmap prepareSlideAnimation();
void showFinished();
void prepareCoverMask();
void paintCover(Painter &p, int top);
Data *_data = nullptr;
bool _hasCover = false;
base::lambda<void(Step *step, Direction direction)> _goCallback;
base::lambda<void()> _showResetCallback;
object_ptr<Ui::FlatLabel> _title;
object_ptr<Ui::WidgetFadeWrap<Ui::FlatLabel>> _description;
bool _errorCentered = false;
bool _errorBelowLink = false;
QString _errorText;
object_ptr<Ui::WidgetFadeWrap<Ui::FlatLabel>> _error = { nullptr };
Animation _a_show;
CoverAnimation _coverAnimation;
std_::unique_ptr<Ui::SlideAnimation> _slideAnimation;
QPixmap _coverMask;
};
private:
void animationCallback();
void changeLanguage(int32 languageId);
void updateControlsGeometry();
Data *getData() {
return &_data;
}
void fixOrder();
void showControls();
void hideControls();
void moveControls();
QRect calculateStepRect() const;
void showResetButton();
void resetAccount();
void resetDone(const MTPBool &result);
bool resetFail(const RPCError &error);
Animation _a_show;
bool _showBack = false;
QPixmap _cacheUnder, _cacheOver;
QVector<Step*> _stepHistory;
Step *getStep(int skip = 0) {
t_assert(_stepHistory.size() + skip > 0);
return _stepHistory.at(_stepHistory.size() - skip - 1);
}
void historyMove(Direction direction);
void moveToStep(Step *step, Direction direction);
void appendStep(Step *step);
void gotNearestDC(const MTPNearestDc &dc);
Data _data;
Animation _coverShownAnimation;
int _nextTopFrom = 0;
int _controlsTopFrom = 0;
object_ptr<Ui::WidgetFadeWrap<Ui::IconButton>> _back;
object_ptr<Ui::WidgetFadeWrap<Ui::RoundButton>> _update = { nullptr };
object_ptr<Ui::WidgetFadeWrap<Ui::RoundButton>> _settings;
object_ptr<Ui::RoundButton> _next;
object_ptr<Ui::WidgetFadeWrap<Ui::LinkButton>> _changeLanguage = { nullptr };
object_ptr<Ui::WidgetFadeWrap<Ui::RoundButton>> _resetAccount = { nullptr };
mtpRequestId _resetRequest = 0;
};
} // namespace Intro