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Link preview messageeventmodel parameters

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This move the finding of links and the creation of a `linkpreviewer` into c++.

- The links are now extracted from the text in `texthandler`
- The `messageeventmodel` now creates and stores `linkpreviewers` for events that have links in the current room.

Two new model roles have been created to let a text delegate know when the link preview should be shown (`showLinkPreview`) and pass the link previewer (`linkPreviewer`). Empty link previewer are returned where link don't exist so the qml doesn't have to have checks for whether the parameters are undefined.
This commit is contained in:
James Graham
2023-05-08 08:18:49 +00:00
committed by Tobias Fella
parent b82d3ab5ad
commit 72de7c6cfb
9 changed files with 187 additions and 73 deletions
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13
src/texthandler.h
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@@ -21,10 +21,13 @@ static const QRegularExpression codePill{QStringLiteral("<pre><code[^>]*>(.*?)</
static const QRegularExpression userPill{QStringLiteral("(<a href=\"https://matrix.to/#/@.*?:.*?\">.*?</a>)"), QRegularExpression::DotMatchesEverythingOption};
static const QRegularExpression strikethrough{QStringLiteral("<del>(.*?)</del>"), QRegularExpression::DotMatchesEverythingOption};
static const QRegularExpression mxcImage{QStringLiteral(R"AAA(<img(.*?)src="mxc:\/\/(.*?)\/(.*?)"(.*?)>)AAA")};
static const QRegularExpression fullUrl(
static const QRegularExpression plainUrl(
QStringLiteral(
R"(<a.*?<\/a>(*SKIP)(*F)|\b((www\.(?!\.)(?!(\w|\.|-)+@)|(https?|ftp):(//)?\w|(magnet|matrix):)(&(?![lg]t;)|[^&\s<>'"])+(&(?![lg]t;)|[^&!,.\s<>'"\]):])))"),
QRegularExpression::CaseInsensitiveOption | QRegularExpression::UseUnicodePropertiesOption);
static const QRegularExpression
url(QStringLiteral(R"(\b((www\.(?!\.)(?!(\w|\.|-)+@)|https?:(//)?\w)(&(?![lg]t;)|[^&\s<>'"])+(&(?![lg]t;)|[^&!,.\s<>'"\]):])))"),
QRegularExpression::CaseInsensitiveOption | QRegularExpression::UseUnicodePropertiesOption);
static const QRegularExpression emailAddress(QStringLiteral(R"(<a.*?<\/a>(*SKIP)(*F)|\b(mailto:)?((\w|\.|-)+@(\w|\.|-)+\.\w+\b))"),
QRegularExpression::CaseInsensitiveOption | QRegularExpression::UseUnicodePropertiesOption);
static const QRegularExpression mxId(QStringLiteral(R"((^|[][[:space:](){}`'";])([!#@][-a-z0-9_=#/.]{1,252}:\w(?:\w|\.|-)*\.\w+(?::\d{1,5})?))"),
@@ -109,6 +112,14 @@ public:
*/
QString handleRecievePlainText(Qt::TextFormat inputFormat = Qt::PlainText, const bool &stripNewlines = false);
/**
* @brief Return a list of links that can be previewed.
*
* This function is designed to give only links that should be previewed so
* http, https or something starting with www.
*/
QList<QUrl> getLinkPreviews();
private:
QString m_data;