tdesktop/Telegram/SourceFiles/history/history_media.h

247 lines
6.1 KiB
C++

/*
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 "history/view/history_view_object.h"
struct HistoryMessageEdited;
struct HistoryTextState;
struct HistoryStateRequest;
struct TextSelection;
namespace base {
template <typename Enum>
class enum_mask;
} // namespace base
namespace Storage {
enum class SharedMediaType : char;
using SharedMediaTypesMask = base::enum_mask<SharedMediaType>;
} // namespace Storage
enum class MediaInBubbleState {
None,
Top,
Middle,
Bottom,
};
enum HistoryMediaType : char {
MediaTypePhoto,
MediaTypeVideo,
MediaTypeContact,
MediaTypeCall,
MediaTypeFile,
MediaTypeGif,
MediaTypeSticker,
MediaTypeLocation,
MediaTypeWebPage,
MediaTypeMusicFile,
MediaTypeVoiceFile,
MediaTypeGame,
MediaTypeInvoice,
MediaTypeGrouped,
MediaTypeCount
};
class HistoryMedia : public HistoryView::Object {
public:
using Element = HistoryView::Element;
HistoryMedia(not_null<Element*> parent) : _parent(parent) {
}
virtual HistoryMediaType type() const = 0;
virtual TextWithEntities selectedText(TextSelection selection) const = 0;
bool hasPoint(QPoint point) const {
return QRect(0, 0, width(), height()).contains(point);
}
virtual bool isDisplayed() const;
virtual void updateNeedBubbleState() {
}
virtual bool isAboveMessage() const {
return false;
}
virtual bool hasTextForCopy() const {
return false;
}
virtual bool hideMessageText() const {
return true;
}
virtual bool allowsFastShare() const {
return false;
}
virtual void refreshParentId(not_null<HistoryItem*> realParent) {
}
virtual void draw(Painter &p, const QRect &r, TextSelection selection, TimeMs ms) const = 0;
virtual HistoryTextState getState(QPoint point, HistoryStateRequest request) const = 0;
virtual void updatePressed(QPoint point) {
}
virtual Storage::SharedMediaTypesMask sharedMediaTypes() const;
// if we are in selecting items mode perhaps we want to
// toggle selection instead of activating the pressed link
virtual bool toggleSelectionByHandlerClick(
const ClickHandlerPtr &p) const = 0;
// if we press and drag on this media should we drag the item
[[nodiscard]] virtual bool dragItem() const {
return false;
}
[[nodiscard]] virtual TextSelection adjustSelection(
TextSelection selection,
TextSelectType type) const {
return selection;
}
[[nodiscard]] virtual uint16 fullSelectionLength() const {
return 0;
}
[[nodiscard]] TextSelection skipSelection(
TextSelection selection) const;
[[nodiscard]] TextSelection unskipSelection(
TextSelection selection) const;
// if we press and drag this link should we drag the item
virtual bool dragItemByHandler(const ClickHandlerPtr &p) const = 0;
virtual void clickHandlerActiveChanged(const ClickHandlerPtr &p, bool active) {
}
virtual void clickHandlerPressedChanged(const ClickHandlerPtr &p, bool pressed) {
}
virtual bool uploading() const {
return false;
}
virtual PhotoData *getPhoto() const {
return nullptr;
}
virtual DocumentData *getDocument() const {
return nullptr;
}
void playAnimation() {
playAnimation(false);
}
void autoplayAnimation() {
playAnimation(true);
}
virtual void stopAnimation() {
}
virtual QSize sizeForGrouping() const {
Unexpected("Grouping method call.");
}
virtual void drawGrouped(
Painter &p,
const QRect &clip,
TextSelection selection,
TimeMs ms,
const QRect &geometry,
RectParts corners,
not_null<uint64*> cacheKey,
not_null<QPixmap*> cache) const {
Unexpected("Grouping method call.");
}
virtual HistoryTextState getStateGrouped(
const QRect &geometry,
QPoint point,
HistoryStateRequest request) const;
virtual std::unique_ptr<HistoryMedia> takeLastFromGroup() {
return nullptr;
}
virtual bool applyGroup(
const std::vector<not_null<HistoryItem*>> &items) {
return false;
}
virtual bool animating() const {
return false;
}
virtual bool hasReplyPreview() const {
return false;
}
virtual ImagePtr replyPreview() {
return ImagePtr();
}
virtual TextWithEntities getCaption() const {
return TextWithEntities();
}
virtual bool needsBubble() const = 0;
virtual bool customInfoLayout() const = 0;
virtual QMargins bubbleMargins() const {
return QMargins();
}
virtual bool hideForwardedFrom() const {
return false;
}
virtual bool overrideEditedDate() const {
return false;
}
virtual HistoryMessageEdited *displayedEditBadge() const {
Unexpected("displayedEditBadge() on non-grouped media.");
}
// An attach media in a web page can provide an
// additional text to be displayed below the attach.
// For example duration / progress for video messages.
virtual QString additionalInfoString() const {
return QString();
}
void setInBubbleState(MediaInBubbleState state) {
_inBubbleState = state;
}
MediaInBubbleState inBubbleState() const {
return _inBubbleState;
}
bool isBubbleTop() const {
return (_inBubbleState == MediaInBubbleState::Top) || (_inBubbleState == MediaInBubbleState::None);
}
bool isBubbleBottom() const {
return (_inBubbleState == MediaInBubbleState::Bottom) || (_inBubbleState == MediaInBubbleState::None);
}
virtual bool skipBubbleTail() const {
return false;
}
// Sometimes click on media in message is overloaded by the message:
// (for example it can open a link or a game instead of opening media)
// But the overloading click handler should be used only when media
// is already loaded (not a photo or GIF waiting for load with auto
// load being disabled - in such case media should handle the click).
virtual bool isReadyForOpen() const {
return true;
}
// Should be called only by Data::Session.
virtual void updateSharedContactUserId(UserId userId) {
}
virtual ~HistoryMedia() = default;
protected:
QSize countCurrentSize(int newWidth) override;
Text createCaption(not_null<HistoryItem*> item) const;
virtual void playAnimation(bool autoplay) {
}
not_null<Element*> _parent;
MediaInBubbleState _inBubbleState = MediaInBubbleState::None;
};