Files
neochat/src/eventhandler.h
James Graham ceef2167fd Don't Maximize Stickers
Make sure that sticker don't open the maximize component as they aren't in the media model

BUG: 482701
2024-03-24 10:01:41 +00:00

413 lines
16 KiB
C++

// SPDX-FileCopyrightText: 2023 James Graham <james.h.graham@protonmail.com>
// SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
#pragma once
#include <QObject>
#include <KFormat>
#include <Quotient/eventitem.h>
#include <Quotient/events/roomevent.h>
#include <Quotient/events/roommessageevent.h>
#include "enums/messagecomponenttype.h"
class LinkPreviewer;
class NeoChatRoom;
class ReactionModel;
/**
* @class EventHandler
*
* This class is designed to handle a Quotient::RoomEvent allowing data to be extracted
* in a form ready for the NeoChat UI.
*
* To use this properly both the room and the event should be set (and the event should
* be from the given room).
*
* @note EventHandler will always try to return something even when not properly
* initialised, this is usually the best empty value it can create with available
* information. This is to minimize warnings from QML especially during startup
* and room changes.
*/
class EventHandler
{
Q_GADGET
public:
EventHandler(const NeoChatRoom *room, const Quotient::RoomEvent *event);
/**
* @brief Return the Matrix ID of the event.
*/
QString getId() const;
/**
* @brief The MessageComponentType to use to visualise the main event content.
*/
MessageComponentType::Type messageComponentType() const;
/**
* @brief Get the author of the event in context of the room.
*
* This is different to getting a Quotient::User object
* as neither of those can provide details like the displayName or avatarMediaId
* without the room context as these can vary from room to room. This function
* uses the room context and outputs the result as QVariantMap.
*
* An empty QVariantMap will be returned if the EventHandler hasn't had the room
* intialised. An empty user (i.e. a QVariantMap with all the correct keys
* but empty values) will be returned if the room has been set but not an event.
*
* @param isPending if the event is pending, i.e. has not been confirmed by
* the server.
*
* @return a QVariantMap for the user with the following properties:
* - isLocalUser - Whether the user is the local user.
* - id - The matrix ID of the user.
* - displayName - Display name in the context of this room.
* - avatarSource - The mxc URL for the user's avatar in the current room.
* - avatarMediaId - Avatar id in the context of this room.
* - color - Color for the user.
* - object - The Quotient::User object for the user.
*
* @sa Quotient::User
*/
QVariantMap getAuthor(bool isPending = false) const;
/**
* @brief Get the display name of the event author.
*
* This method is separate from getAuthor() and special in that it will return
* the old display name of the author if the current event is one that caused it
* to change. This allows for scenarios where the UI wishes to notify that a
* user's display name has changed and what it changed from.
*
* @param isPending whether the event is pending as this cannot be derived from
* just the event object.
*/
QString getAuthorDisplayName(bool isPending = false) const;
/**
* @brief Get the display name of the event author but with any newlines removed.
*
* Turns out you can put newlines in your display name so we need to handle that
* primarily for the room list subtitle.
*
* @param isPending whether the event is pending as this cannot be derived from
* just the event object.
*/
QString singleLineAuthorDisplayname(bool isPending = false) const;
/**
* @brief Return a QDateTime object for the event timestamp.
*/
QDateTime getTime(bool isPending = false, QDateTime lastUpdated = {}) const;
/**
* @brief Return a QString for the event timestamp.
*
* This is intended to return a string that is read for display in the UI without
* any further manipulation required.
*
* @param relative whether the string is realtive to the current date, i.e.
* Yesterday or Wednesday, etc.
* @param format the QLocale::FormatType to use.
* @param isPending whether the event is pending as this cannot be derived from
* just the event object.
* @param lastUpdated the time the event was last updated locally as this cannot be
* obtained from the event.
*/
QString getTimeString(bool relative, QLocale::FormatType format = QLocale::ShortFormat, bool isPending = false, QDateTime lastUpdated = {}) const;
/**
* @brief Whether the event should be highlighted in the timeline.
*
* @note Messages in direct chats are never highlighted.
*/
bool isHighlighted();
/**
* @brief Whether the event should be hidden in the timeline.
*
* This could be for numerous reasons, e.g. if it's a replacement event, if the
* user has hidden all state events or if the sender has been ignored by the local
* user.
*/
bool isHidden();
/**
* @brief The input format of the body in the message.
*
* I.e. if the message has only a body the format will be Qt::PlainText, if it
* has a formatted body it will be Qt::RichText.
*/
static Qt::TextFormat messageBodyInputFormat(const Quotient::RoomMessageEvent &event);
/**
* @brief Output a string for the room message content without any formatting.
*
* This is the content of the formatted_body key if present or the body key if
* not.
*/
static QString rawMessageBody(const Quotient::RoomMessageEvent &event);
/**
* @brief Output a string for the message content ready for display in a rich text field.
*
* The output string is dependant upon the event type and the desired output format.
*
* For most messages this is the body content of the message. For media messages
* this will be the caption and for state events it will be a string specific
* to that event with some dynamic details about the event added.
*
* E.g. For a room topic state event the text will be:
* "set the topic to: <new topic text>"
*
* @param stripNewlines whether the output should have new lines in it.
*/
QString getRichBody(bool stripNewlines = false) const;
/**
* @brief Output a string for the message content ready for display in a plain text field.
*
* The output string is dependant upon the event type and the desired output format.
*
* For most messages this is the body content of the message. For media messages
* this will be the caption and for state events it will be a string specific
* to that event with some dynamic details about the event added.
*
* E.g. For a room topic state event the text will be:
* "set the topic to: <new topic text>"
*
* @param stripNewlines whether the output should have new lines in it.
*/
QString getPlainBody(bool stripNewlines = false) const;
/**
* @brief Output the original body for the message content, useful for editing the original message.
*
* The event type must be a room message event.
*/
QString getMarkdownBody() const;
/**
* @brief Output a generic string for the message content ready for display.
*
* The output string is dependant upon the event type.
*
* Unlike EventHandler::getRichBody or EventHandler::getPlainBody the string
* is the same for all events of the same type.
*
* E.g. For a message the text will be:
* "sent a message"
*
* @sa getRichBody(), getPlainBody()
*/
QString getGenericBody() const;
/**
* @brief Output a string for the event to be used as a RoomList subtitle.
*
* The output includes the username followed by the plain message, all with no
* line breaks.
*/
QString subtitleText() const;
/**
* @brief Return the media info for the event.
*
* An empty QVariantMap will be returned for any event that doesn't have any
* media info.
*
* @return This should consist of the following:
* - source - The mxc URL for the media.
* - mimeType - The MIME type of the media (should be image/xxx for this delegate).
* - mimeIcon - The MIME icon name (should be image-xxx).
* - size - The file size in bytes.
* - width - The width in pixels of the audio media.
* - height - The height in pixels of the audio media.
* - tempInfo - mediaInfo (with the same properties as this except no tempInfo) for a temporary image while the file downloads.
* - isSticker - Whether the image is a sticker or not
*/
QVariantMap getMediaInfo() const;
/**
* @brief Whether the event is a reply to another in the timeline.
*/
bool hasReply() const;
/**
* @brief Return the Matrix ID of the event replied to.
*/
QString getReplyId() const;
/**
* @brief The MessageComponentType to use to visualise the reply content.
*/
MessageComponentType::Type replyMessageComponentType() const;
/**
* @brief Get the author of the event replied to in context of the room.
*
* This is different to getting a Quotient::User object
* as neither of those can provide details like the displayName or avatarMediaId
* without the room context as these can vary from room to room. This function
* uses the room context and outputs the result as QVariantMap.
*
* An empty QVariantMap will be returned if the EventHandler hasn't had the room
* intialised. An empty user (i.e. a QVariantMap with all the correct keys
* but empty values) will be returned if the room has been set but not an event.
*
* @return a QVariantMap for the user with the following properties:
* - isLocalUser - Whether the user is the local user.
* - id - The matrix ID of the user.
* - displayName - Display name in the context of this room.
* - avatarSource - The mxc URL for the user's avatar in the current room.
* - avatarMediaId - Avatar id in the context of this room.
* - color - Color for the user.
* - object - The Quotient::User object for the user.
*
* @sa Quotient::User
*/
QVariantMap getReplyAuthor() const;
/**
* @brief Output a string for the message content of the event replied to ready
* for display in a rich text field.
*
* The output string is dependant upon the event type and the desired output format.
*
* For most messages this is the body content of the message. For media messages
* this will be the caption and for state events it will be a string specific
* to that event with some dynamic details about the event added.
*
* E.g. For a room topic state event the text will be:
* "set the topic to: <new topic text>"
*
* @param stripNewlines whether the output should have new lines in it.
*/
QString getReplyRichBody(bool stripNewlines = false) const;
/**
* @brief Output a string for the message content of the event replied to ready
* for display in a plain text field.
*
* The output string is dependant upon the event type and the desired output format.
*
* For most messages this is the body content of the message. For media messages
* this will be the caption and for state events it will be a string specific
* to that event with some dynamic details about the event added.
*
* E.g. For a room topic state event the text will be:
* "set the topic to: <new topic text>"
*
* @param stripNewlines whether the output should have new lines in it.
*/
QString getReplyPlainBody(bool stripNewlines = false) const;
/**
* @brief Return the media info for the event replied to.
*
* An empty QVariantMap will be returned for any event that doesn't have any
* media info.
*
* @return This should consist of the following:
* - source - The mxc URL for the media.
* - mimeType - The MIME type of the media (should be image/xxx for this delegate).
* - mimeIcon - The MIME icon name (should be image-xxx).
* - size - The file size in bytes.
* - width - The width in pixels of the audio media.
* - height - The height in pixels of the audio media.
* - tempInfo - mediaInfo (with the same properties as this except no tempInfo) for a temporary image while the file downloads.
* - isSticker - Whether the image is a sticker or not
*/
QVariantMap getReplyMediaInfo() const;
/**
* @brief Whether the message is part of a thread.
*
* i.e. There is a rel_type of m.thread.
*/
bool isThreaded() const;
/**
* @brief Return the Matrix ID of the thread's root message.
*
* Empty if this not part of a thread.
*/
QString threadRoot() const;
/**
* @brief Return the latitude for the event.
*
* Returns -100.0 if the event doesn't have a location (latitudes are in the
* range -90deg to +90deg so -100 is out of range).
*/
float getLatitude() const;
/**
* @brief Return the longitude for the event.
*
* Returns -200.0 if the event doesn't have a location (latitudes are in the
* range -180deg to +180deg so -200 is out of range).
*/
float getLongitude() const;
/**
* @brief Return the type of location marker for the event.
*/
QString getLocationAssetType() const;
/**
* @brief Whether the event has any read marker for other users.
*/
bool hasReadMarkers() const;
/**
* @brief Returns a list of user read marker for the event.
*
* @param maxMarkers the maximum number of users to return. Usually the number
* of user read makers shown is limited to not clutter the UI.
* This needs to be the same as used in getNumberExcessReadMarkers
* so that the markers line up with the number displayed, i.e.
* the number of users shown plus the excess number will be
* the total number of other user read markers at an event.
*/
QVariantList getReadMarkers(int maxMarkers = 5) const;
/**
* @brief Returns the number of excess user read markers for the event.
*
* This returns a string in the form "+ x" ready for use in the UI.
*
* @param maxMarkers the maximum number of markers shown in the UI. This needs to
* be the same as used in getReadMarkers so that the value lines
* up with the number displayed, i.e. the number of users shown
* plus the excess number will be the total number of other user
* read markers at an event.
*/
QString getNumberExcessReadMarkers(int maxMarkers = 5) const;
/**
* @brief Returns a string with the names of the read markers at the event.
*
* This is in the form "x users: name 1, name 2, ...".
*/
QString getReadMarkersString() const;
private:
const NeoChatRoom *m_room = nullptr;
const Quotient::RoomEvent *m_event = nullptr;
KFormat m_format;
QString getBody(const Quotient::RoomEvent *event, Qt::TextFormat format, bool stripNewlines) const;
QString getMessageBody(const Quotient::RoomMessageEvent &event, Qt::TextFormat format, bool stripNewlines) const;
QVariantMap getMediaInfoForEvent(const Quotient::RoomEvent *event) const;
QVariantMap
getMediaInfoFromFileInfo(const Quotient::EventContent::FileInfo *fileInfo, const QString &eventId, bool isThumbnail = false, bool isSticker = false) const;
};