319 lines
7.3 KiB
C++
319 lines
7.3 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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class FileLoader;
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enum LoadFromCloudSetting {
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LoadFromCloudOrLocal,
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LoadFromLocalOnly,
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};
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enum LoadToCacheSetting {
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LoadToFileOnly,
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LoadToCacheAsWell,
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};
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inline uint32 packInt(int32 a) {
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return (a < 0) ? uint32(int64(a) + 0x100000000LL) : uint32(a);
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}
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inline int32 unpackInt(uint32 a) {
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return (a > 0x7FFFFFFFU) ? int32(int64(a) - 0x100000000LL) : int32(a);
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}
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inline uint64 packUIntUInt(uint32 a, uint32 b) {
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return (uint64(a) << 32) | uint64(b);
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}
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inline uint64 packUIntInt(uint32 a, int32 b) {
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return packUIntUInt(a, packInt(b));
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}
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inline uint64 packIntUInt(int32 a, uint32 b) {
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return packUIntUInt(packInt(a), b);
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}
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inline uint64 packIntInt(int32 a, int32 b) {
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return packUIntUInt(packInt(a), packInt(b));
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}
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inline uint32 unpackUIntFirst(uint64 v) {
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return uint32(v >> 32);
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}
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inline int32 unpackIntFirst(uint64 v) {
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return unpackInt(unpackUIntFirst(v));
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}
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inline uint32 unpackUIntSecond(uint64 v) {
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return uint32(v & 0xFFFFFFFFULL);
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}
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inline int32 unpackIntSecond(uint64 v) {
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return unpackInt(unpackUIntSecond(v));
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}
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class StorageImageLocation {
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public:
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StorageImageLocation() = default;
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StorageImageLocation(
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int32 width,
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int32 height,
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int32 dc,
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const uint64 &volume,
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int32 local,
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const uint64 &secret,
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const QByteArray &fileReference);
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StorageImageLocation(
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int32 width,
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int32 height,
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const MTPDfileLocation &location);
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bool isNull() const {
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return !_dclocal;
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}
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int32 width() const {
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return unpackIntFirst(_widthheight);
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}
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int32 height() const {
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return unpackIntSecond(_widthheight);
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}
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void setSize(int32 width, int32 height) {
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_widthheight = packIntInt(width, height);
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}
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int32 dc() const {
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return unpackIntFirst(_dclocal);
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}
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uint64 volume() const {
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return _volume;
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}
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int32 local() const {
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return unpackIntSecond(_dclocal);
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}
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uint64 secret() const {
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return _secret;
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}
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QByteArray fileReference() const {
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return _fileReference;
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}
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void refreshFileReference(const QByteArray &data) {
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if (!data.isEmpty()) {
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_fileReference = data;
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}
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}
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static StorageImageLocation FromMTP(
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int32 width,
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int32 height,
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const MTPFileLocation &location) {
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if (location.type() == mtpc_fileLocation) {
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const auto &data = location.c_fileLocation();
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return StorageImageLocation(width, height, data);
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}
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return StorageImageLocation(width, height, 0, 0, 0, 0, {});
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}
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static StorageImageLocation FromMTP(const MTPPhotoSize &size) {
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switch (size.type()) {
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case mtpc_photoSize: {
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const auto &data = size.c_photoSize();
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return FromMTP(data.vw.v, data.vh.v, data.vlocation);
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} break;
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case mtpc_photoCachedSize: {
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const auto &data = size.c_photoCachedSize();
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return FromMTP(data.vw.v, data.vh.v, data.vlocation);
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} break;
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}
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return StorageImageLocation();
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}
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static StorageImageLocation Null;
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private:
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uint64 _widthheight = 0;
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uint64 _dclocal = 0;
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uint64 _volume = 0;
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uint64 _secret = 0;
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QByteArray _fileReference;
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friend inline bool operator==(
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const StorageImageLocation &a,
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const StorageImageLocation &b) {
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return (a._dclocal == b._dclocal) && (a._volume == b._volume);
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}
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};
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inline bool operator!=(const StorageImageLocation &a, const StorageImageLocation &b) {
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return !(a == b);
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}
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class WebFileLocation {
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public:
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WebFileLocation() = default;
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WebFileLocation(int32 dc, const QByteArray &url, uint64 accessHash)
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: _accessHash(accessHash)
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, _url(url)
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, _dc(dc) {
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}
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bool isNull() const {
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return !_dc;
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}
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int32 dc() const {
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return _dc;
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}
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uint64 accessHash() const {
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return _accessHash;
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}
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const QByteArray &url() const {
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return _url;
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}
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static WebFileLocation Null;
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private:
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uint64 _accessHash = 0;
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QByteArray _url;
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int32 _dc = 0;
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friend inline bool operator==(
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const WebFileLocation &a,
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const WebFileLocation &b) {
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return (a._dc == b._dc)
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&& (a._accessHash == b._accessHash)
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&& (a._url == b._url);
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}
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};
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inline bool operator!=(const WebFileLocation &a, const WebFileLocation &b) {
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return !(a == b);
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}
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struct GeoPointLocation {
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float64 lat = 0.;
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float64 lon = 0.;
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uint64 access = 0;
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int32 width = 0;
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int32 height = 0;
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int32 zoom = 0;
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int32 scale = 0;
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};
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inline bool operator==(
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const GeoPointLocation &a,
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const GeoPointLocation &b) {
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return (a.lat == b.lat)
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&& (a.lon == b.lon)
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&& (a.access == b.access)
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&& (a.width == b.width)
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&& (a.height == b.height)
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&& (a.zoom == b.zoom)
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&& (a.scale == b.scale);
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}
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inline bool operator!=(
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const GeoPointLocation &a,
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const GeoPointLocation &b) {
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return !(a == b);
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}
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class Image;
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class ImagePtr {
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public:
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ImagePtr();
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explicit ImagePtr(not_null<Image*> data);
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Image *operator->() const;
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Image *get() const;
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explicit operator bool() const;
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private:
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not_null<Image*> _data;
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};
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typedef QPair<uint64, uint64> StorageKey;
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inline uint64 storageMix32To64(int32 a, int32 b) {
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return (uint64(*reinterpret_cast<uint32*>(&a)) << 32) | uint64(*reinterpret_cast<uint32*>(&b));
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}
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inline StorageKey storageKey(int32 dc, const uint64 &volume, int32 local) {
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return StorageKey(storageMix32To64(dc, local), volume);
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}
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inline StorageKey storageKey(const MTPDfileLocation &location) {
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return storageKey(location.vdc_id.v, location.vvolume_id.v, location.vlocal_id.v);
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}
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inline StorageKey storageKey(const StorageImageLocation &location) {
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return storageKey(location.dc(), location.volume(), location.local());
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}
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inline StorageKey storageKey(const WebFileLocation &location) {
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auto url = location.url();
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auto sha = hashSha1(url.data(), url.size());
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return storageKey(
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location.dc(),
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*reinterpret_cast<const uint64*>(sha.data()),
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*reinterpret_cast<const int32*>(sha.data() + sizeof(uint64)));
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}
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inline StorageKey storageKey(const GeoPointLocation &location) {
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return StorageKey(
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(uint64(std::round(std::abs(location.lat + 360.) * 1000000)) << 32)
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| uint64(std::round(std::abs(location.lon + 360.) * 1000000)),
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(uint64(location.width) << 32) | uint64(location.height));
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}
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inline QSize shrinkToKeepAspect(int32 width, int32 height, int32 towidth, int32 toheight) {
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int32 w = qMax(width, 1), h = qMax(height, 1);
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if (w * toheight > h * towidth) {
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h = qRound(h * towidth / float64(w));
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w = towidth;
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} else {
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w = qRound(w * toheight / float64(h));
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h = toheight;
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}
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return QSize(qMax(w, 1), qMax(h, 1));
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}
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class PsFileBookmark;
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class ReadAccessEnabler {
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public:
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ReadAccessEnabler(const PsFileBookmark *bookmark);
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ReadAccessEnabler(const std::shared_ptr<PsFileBookmark> &bookmark);
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bool failed() const {
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return _failed;
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}
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~ReadAccessEnabler();
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private:
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const PsFileBookmark *_bookmark;
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bool _failed;
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};
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class FileLocation {
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public:
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FileLocation() = default;
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explicit FileLocation(const QString &name);
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bool check() const;
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const QString &name() const;
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void setBookmark(const QByteArray &bookmark);
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QByteArray bookmark() const;
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bool isEmpty() const {
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return name().isEmpty();
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}
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bool accessEnable() const;
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void accessDisable() const;
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QString fname;
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QDateTime modified;
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qint32 size;
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private:
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std::shared_ptr<PsFileBookmark> _bookmark;
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};
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inline bool operator==(const FileLocation &a, const FileLocation &b) {
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return (a.name() == b.name()) && (a.modified == b.modified) && (a.size == b.size);
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}
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inline bool operator!=(const FileLocation &a, const FileLocation &b) {
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return !(a == b);
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}
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