tdesktop/Telegram/SourceFiles/mediaview.h

413 lines
11 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 "ui/widgets/dropdown_menu.h"
#include "ui/effects/radial_animation.h"
#include "data/data_shared_media.h"
#include "data/data_user_photos.h"
namespace Media {
namespace Player {
struct TrackState;
} // namespace Player
namespace Clip {
class Controller;
} // namespace Clip
namespace View {
class GroupThumbs;
} // namespace View
} // namespace Media
namespace Ui {
class PopupMenu;
class LinkButton;
class RoundButton;
} // namespace Ui
namespace Window {
namespace Theme {
struct Preview;
} // namespace Theme
} // namespace Window
namespace Notify {
struct PeerUpdate;
} // namespace Notify
class MediaView : public TWidget, private base::Subscriber, public ClickHandlerHost {
Q_OBJECT
public:
MediaView();
void setVisible(bool visible) override;
void showPhoto(not_null<PhotoData*> photo, HistoryItem *context);
void showPhoto(not_null<PhotoData*> photo, not_null<PeerData*> context);
void showDocument(not_null<DocumentData*> document, HistoryItem *context);
void leaveToChildEvent(QEvent *e, QWidget *child) override { // e -- from enterEvent() of child TWidget
updateOverState(OverNone);
}
void enterFromChildEvent(QEvent *e, QWidget *child) override { // e -- from leaveEvent() of child TWidget
updateOver(mapFromGlobal(QCursor::pos()));
}
void close();
void activateControls();
void onDocClick();
void clipCallback(Media::Clip::Notification notification);
PeerData *ui_getPeerForMouseAction();
void clearData();
~MediaView();
// ClickHandlerHost interface
void clickHandlerActiveChanged(const ClickHandlerPtr &p, bool active) override;
void clickHandlerPressedChanged(const ClickHandlerPtr &p, bool pressed) override;
protected:
void paintEvent(QPaintEvent *e) override;
void keyPressEvent(QKeyEvent *e) override;
void wheelEvent(QWheelEvent *e) override;
void mousePressEvent(QMouseEvent *e) override;
void mouseDoubleClickEvent(QMouseEvent *e) override;
void mouseMoveEvent(QMouseEvent *e) override;
void mouseReleaseEvent(QMouseEvent *e) override;
void contextMenuEvent(QContextMenuEvent *e) override;
void touchEvent(QTouchEvent *e);
bool event(QEvent *e) override;
bool eventFilter(QObject *obj, QEvent *e) override;
private slots:
void onHideControls(bool force = false);
void onScreenResized(int screen);
void onToMessage();
void onSaveAs();
void onDownload();
void onSaveCancel();
void onShowInFolder();
void onForward();
void onDelete();
void onOverview();
void onCopy();
void onMenuDestroy(QObject *obj);
void receiveMouse();
void onDropdown();
void onTouchTimer();
void updateImage();
void onVideoPauseResume();
void onVideoSeekProgress(TimeMs positionMs);
void onVideoSeekFinished(TimeMs positionMs);
void onVideoVolumeChanged(float64 volume);
void onVideoToggleFullScreen();
void onVideoPlayProgress(const AudioMsgId &audioId);
private:
enum OverState {
OverNone,
OverLeftNav,
OverRightNav,
OverClose,
OverHeader,
OverName,
OverDate,
OverSave,
OverMore,
OverIcon,
OverVideo,
};
void updateOver(QPoint mpos);
void moveToScreen();
bool moveToNext(int delta);
void preloadData(int delta);
struct Entity {
base::optional_variant<
not_null<PhotoData*>,
not_null<DocumentData*>> data;
HistoryItem *item;
};
Entity entityForUserPhotos(int index) const;
Entity entityForSharedMedia(int index) const;
Entity entityByIndex(int index) const;
Entity entityForItemId(const FullMsgId &itemId) const;
bool moveToEntity(const Entity &entity, int preloadDelta = 0);
void setContext(base::optional_variant<
not_null<HistoryItem*>,
not_null<PeerData*>> context);
void refreshLang();
void showSaveMsgFile();
void updateMixerVideoVolume() const;
struct SharedMedia;
using SharedMediaType = SharedMediaWithLastSlice::Type;
using SharedMediaKey = SharedMediaWithLastSlice::Key;
base::optional<SharedMediaType> sharedMediaType() const;
base::optional<SharedMediaKey> sharedMediaKey() const;
base::optional<SharedMediaType> computeOverviewType() const;
bool validSharedMedia() const;
void validateSharedMedia();
void handleSharedMediaUpdate(SharedMediaWithLastSlice &&update);
struct UserPhotos;
using UserPhotosKey = UserPhotosSlice::Key;
base::optional<UserPhotosKey> userPhotosKey() const;
bool validUserPhotos() const;
void validateUserPhotos();
void handleUserPhotosUpdate(UserPhotosSlice &&update);
void refreshCaption(HistoryItem *item);
void refreshMediaViewer();
void refreshNavVisibility();
void refreshGroupThumbs();
void dropdownHidden();
void updateDocSize();
void updateControls();
void updateActions();
void resizeCenteredControls();
void displayPhoto(not_null<PhotoData*> photo, HistoryItem *item);
void displayDocument(DocumentData *document, HistoryItem *item);
void displayFinished();
void findCurrent();
void updateCursor();
void setZoomLevel(int newZoom);
void updateVideoPlaybackState(const Media::Player::TrackState &state);
void updateSilentVideoPlaybackState();
void restartVideoAtSeekPosition(TimeMs positionMs);
void toggleVideoPaused();
void createClipController();
void refreshClipControllerGeometry();
void refreshCaptionGeometry();
void initAnimation();
void createClipReader();
Images::Options videoThumbOptions() const;
void initThemePreview();
void destroyThemePreview();
void updateThemePreviewGeometry();
void documentUpdated(DocumentData *doc);
void changingMsgId(not_null<HistoryItem*> row, MsgId newId);
// Radial animation interface.
float64 radialProgress() const;
bool radialLoading() const;
QRect radialRect() const;
void radialStart();
TimeMs radialTimeShift() const;
void updateHeader();
void snapXY();
void step_state(TimeMs ms, bool timer);
void step_radial(TimeMs ms, bool timer);
void zoomIn();
void zoomOut();
void zoomReset();
void zoomUpdate(int32 &newZoom);
void paintDocRadialLoading(Painter &p, bool radial, float64 radialOpacity);
void paintThemePreview(Painter &p, QRect clip);
void updateOverRect(OverState state);
bool updateOverState(OverState newState);
float64 overLevel(OverState control) const;
void checkGroupThumbsAnimation();
void initGroupThumbs();
QBrush _transparentBrush;
PhotoData *_photo = nullptr;
DocumentData *_doc = nullptr;
std::unique_ptr<SharedMedia> _sharedMedia;
base::optional<SharedMediaWithLastSlice> _sharedMediaData;
base::optional<SharedMediaWithLastSlice::Key> _sharedMediaDataKey;
std::unique_ptr<UserPhotos> _userPhotos;
base::optional<UserPhotosSlice> _userPhotosData;
QRect _closeNav, _closeNavIcon;
QRect _leftNav, _leftNavIcon, _rightNav, _rightNavIcon;
QRect _headerNav, _nameNav, _dateNav;
QRect _saveNav, _saveNavIcon, _moreNav, _moreNavIcon;
bool _leftNavVisible = false;
bool _rightNavVisible = false;
bool _saveVisible = false;
bool _headerHasLink = false;
QString _dateText;
QString _headerText;
object_ptr<Media::Clip::Controller> _clipController = { nullptr };
DocumentData *_autoplayVideoDocument = nullptr;
bool _fullScreenVideo = false;
int _fullScreenZoomCache = 0;
std::unique_ptr<Media::View::GroupThumbs> _groupThumbs;
QRect _groupThumbsRect;
int _groupThumbsAvailableWidth = 0;
int _groupThumbsLeft = 0;
int _groupThumbsTop = 0;
Text _caption;
QRect _captionRect;
TimeMs _animStarted;
int _width = 0;
int _x = 0, _y = 0, _w = 0, _h = 0;
int _xStart = 0, _yStart = 0;
int _zoom = 0; // < 0 - out, 0 - none, > 0 - in
float64 _zoomToScreen = 0.; // for documents
QPoint _mStart;
bool _pressed = false;
int32 _dragging = 0;
QPixmap _current;
Media::Clip::ReaderPointer _gif;
int32 _full = -1; // -1 - thumb, 0 - medium, 1 - full
// Video without audio stream playback information.
bool _videoIsSilent = false;
bool _videoPaused = false;
bool _videoStopped = false;
TimeMs _videoPositionMs = 0;
TimeMs _videoDurationMs = 0;
int32 _videoFrequencyMs = 1000; // 1000 ms per second.
bool fileShown() const;
bool gifShown() const;
bool fileBubbleShown() const;
void stopGif();
const style::icon *_docIcon = nullptr;
style::color _docIconColor;
QString _docName, _docSize, _docExt;
int _docNameWidth = 0, _docSizeWidth = 0, _docExtWidth = 0;
QRect _docRect, _docIconRect;
int _docThumbx = 0, _docThumby = 0, _docThumbw = 0;
object_ptr<Ui::LinkButton> _docDownload;
object_ptr<Ui::LinkButton> _docSaveAs;
object_ptr<Ui::LinkButton> _docCancel;
QRect _photoRadialRect;
Ui::RadialAnimation _radial;
History *_migrated = nullptr;
History *_history = nullptr; // if conversation photos or files overview
PeerData *_peer = nullptr;
UserData *_user = nullptr; // if user profile photos overview
// We save the information about the reason of the current mediaview show:
// did we open a peer profile photo or a photo from some message.
// We use it when trying to delete a photo: if we've opened a peer photo,
// then we'll delete group photo instead of the corresponding message.
bool _firstOpenedPeerPhoto = false;
PeerData *_from = nullptr;
Text _fromName;
base::optional<int> _index; // Index in current _sharedMedia data.
base::optional<int> _fullIndex; // Index in full shared media.
base::optional<int> _fullCount;
FullMsgId _msgid;
bool _canForwardItem = false;
bool _canDeleteItem = false;
mtpRequestId _loadRequest = 0;
OverState _over = OverNone;
OverState _down = OverNone;
QPoint _lastAction, _lastMouseMovePos;
bool _ignoringDropdown = false;
BasicAnimation _a_state;
enum ControlsState {
ControlsShowing,
ControlsShown,
ControlsHiding,
ControlsHidden,
};
ControlsState _controlsState = ControlsShown;
TimeMs _controlsAnimStarted = 0;
QTimer _controlsHideTimer;
anim::value a_cOpacity;
bool _mousePressed = false;
Ui::PopupMenu *_menu = nullptr;
object_ptr<Ui::DropdownMenu> _dropdown;
object_ptr<QTimer> _dropdownShowTimer;
struct ActionData {
QString text;
const char *member;
};
QList<ActionData> _actions;
bool _receiveMouse = true;
bool _touchPress = false, _touchMove = false, _touchRightButton = false;
QTimer _touchTimer;
QPoint _touchStart;
QPoint _accumScroll;
QString _saveMsgFilename;
TimeMs _saveMsgStarted = 0;
anim::value _saveMsgOpacity;
QRect _saveMsg;
QTimer _saveMsgUpdater;
Text _saveMsgText;
typedef QMap<OverState, TimeMs> Showing;
Showing _animations;
typedef QMap<OverState, anim::value> ShowingOpacities;
ShowingOpacities _animOpacities;
int _verticalWheelDelta = 0;
bool _themePreviewShown = false;
uint64 _themePreviewId = 0;
QRect _themePreviewRect;
std::unique_ptr<Window::Theme::Preview> _themePreview;
object_ptr<Ui::RoundButton> _themeApply = { nullptr };
object_ptr<Ui::RoundButton> _themeCancel = { nullptr };
};