service/NativeMailDocument.h
| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | #pragma once | ||
| 2 | |||
| 3 | #include <QByteArray> | ||
| 4 | #include <QString> | ||
| 5 | #include <QHash> | ||
| 6 | #include <QImage> | ||
| 7 | #include <QUrl> | ||
| 8 | #include <QList> | ||
| 9 | #include <QTextDocumentFragment> | ||
| 10 | #include <QSharedPointer> | ||
| 11 | #include <atomic> | ||
| 12 | |||
| 13 | // A bounded, resource-free HTML subset produced entirely from decoded UTF-8. | ||
| 14 | // Preparation is reentrant and may run on an owned worker. A cancelled/limited | ||
| 15 | // result never exposes a partially prepared document to its caller. | ||
| 16 | struct NativeMailDocument { | ||
| 17 | enum class Outcome { Ready, Limited, Cancelled, Failed }; | ||
| 18 | static constexpr qsizetype MaxInputBytes = 1024 * 1024; | ||
| 19 | static constexpr int MaxNodes = 8192; | ||
| 20 | // Image references one document keeps at most (S106-634). | ||
| 21 | static constexpr int MaxImageReferences = 128; | ||
| 22 | static constexpr int MaxDepth = 64; | ||
| 23 | |||
| 24 | // Sprint 108 (D-9): Compose keeps the bounded composer styles (colours, | ||
| 25 | // font sizes, the D-6 font families, margins), MailJD's region markers | ||
| 26 | // and data: images; Reader output is unchanged by it. | ||
| 27 | enum class Mode { Reader, Compose }; | ||
| 28 | struct ImageReference { | ||
| 29 | QString placeholder; | ||
| 30 | QString contentId; | ||
| 31 | QUrl remoteUrl{}; | ||
| 32 | QByteArray data{}; // Compose only: a decoded data: image | ||
| 33 | QString mimeType{}; // its image type | ||
| 34 | QString alternativeText{}; | ||
| 35 | int width = 0; // Compose only: the img's width/height attributes | ||
| 36 | int height = 0; | ||
| 37 | }; | ||
| 38 | // A data: image a composer import keeps at most (decoded bytes). | ||
| 39 | static constexpr qsizetype MaxDataImageBytes = 5 * 1024 * 1024; | ||
| 40 | QList<ImageReference> imageReferences; | ||
| 41 | QHash<QUrl, QImage> images; | ||
| 42 | QString html; | ||
| 43 | QString plainText; | ||
| 44 | QSharedPointer<const QTextDocumentFragment> fragment; | ||
| 45 | Outcome outcome = Outcome::Ready; | ||
| 46 | bool simplified = false; | ||
| 47 | bool cacheHit = false; | ||
| 48 | int nodes = 0; | ||
| 49 | int deniedEntities = 0; | ||
| 50 | |||
| 51 | 383 | static NativeMailDocument prepare(const QByteArray &input, | |
| 52 | const std::atomic_bool *cancelled = nullptr) { | ||
| 53 | 383 | return prepare(input, cancelled, Mode::Reader); | |
| 54 | } | ||
| 55 | static NativeMailDocument prepare(const QByteArray &input, const std::atomic_bool *cancelled, | ||
| 56 | Mode mode); | ||
| 57 | }; | ||
| 58 |