489 lines
14 KiB
C++
489 lines
14 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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#include <QtGui/QPixmap>
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QImage imageBlur(QImage img);
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void imageRound(QImage &img);
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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() : _widthheight(0), _dclocal(0), _volume(0), _secret(0) {
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}
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StorageImageLocation(int32 width, int32 height, int32 dc, const uint64 &volume, int32 local, const uint64 &secret) : _widthheight(packIntInt(width, height)), _dclocal(packIntInt(dc, local)), _volume(volume), _secret(secret) {
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}
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StorageImageLocation(int32 width, int32 height, const MTPDfileLocation &location) : _widthheight(packIntInt(width, height)), _dclocal(packIntInt(location.vdc_id.v, location.vlocal_id.v)), _volume(location.vvolume_id.v), _secret(location.vsecret.v) {
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}
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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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static StorageImageLocation Null;
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private:
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uint64 _widthheight;
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uint64 _dclocal;
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uint64 _volume;
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uint64 _secret;
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friend inline bool operator==(const StorageImageLocation &a, const StorageImageLocation &b) {
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return (a._dclocal == b._dclocal) && (a._volume == b._volume) && (a._secret == b._secret);
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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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enum ImagePixOption {
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ImagePixSmooth = 0x01,
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ImagePixBlurred = 0x02,
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ImagePixRounded = 0x04,
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ImagePixCircled = 0x08,
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};
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Q_DECLARE_FLAGS(ImagePixOptions, ImagePixOption);
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Q_DECLARE_OPERATORS_FOR_FLAGS(ImagePixOptions);
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QPixmap imagePix(QImage img, int w, int h, ImagePixOptions options, int outerw, int outerh);
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class DelayedStorageImage;
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class HistoryItem;
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class Image {
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public:
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Image(const QString &file, QByteArray format = QByteArray());
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Image(const QByteArray &filecontent, QByteArray format = QByteArray());
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Image(const QPixmap &pixmap, QByteArray format = QByteArray());
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Image(const QByteArray &filecontent, QByteArray format, const QPixmap &pixmap);
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virtual void automaticLoad(const HistoryItem *item) { // auto load photo
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}
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virtual void automaticLoadSettingsChanged() {
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}
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virtual bool loaded() const {
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return true;
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}
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virtual bool loading() const {
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return false;
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}
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virtual bool displayLoading() const {
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return false;
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}
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virtual void cancel() {
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}
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virtual float64 progress() const {
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return 1;
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}
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virtual int32 loadOffset() const {
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return 0;
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}
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const QPixmap &pix(int32 w = 0, int32 h = 0) const;
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const QPixmap &pixRounded(int32 w = 0, int32 h = 0) const;
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const QPixmap &pixCircled(int32 w = 0, int32 h = 0) const;
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const QPixmap &pixBlurred(int32 w = 0, int32 h = 0) const;
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const QPixmap &pixColored(const style::color &add, int32 w = 0, int32 h = 0) const;
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const QPixmap &pixBlurredColored(const style::color &add, int32 w = 0, int32 h = 0) const;
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const QPixmap &pixSingle(int32 w, int32 h, int32 outerw, int32 outerh) const;
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const QPixmap &pixBlurredSingle(int32 w, int32 h, int32 outerw, int32 outerh) const;
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QPixmap pixNoCache(int w = 0, int h = 0, ImagePixOptions options = 0, int outerw = -1, int outerh = -1) const;
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QPixmap pixColoredNoCache(const style::color &add, int32 w = 0, int32 h = 0, bool smooth = false) const;
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QPixmap pixBlurredColoredNoCache(const style::color &add, int32 w, int32 h = 0) const;
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int32 width() const {
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return qMax(countWidth(), 1);
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}
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int32 height() const {
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return qMax(countHeight(), 1);
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}
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virtual void load(bool loadFirst = false, bool prior = true) {
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}
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virtual void loadEvenCancelled(bool loadFirst = false, bool prior = true) {
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}
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virtual const StorageImageLocation &location() const {
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return StorageImageLocation::Null;
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}
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bool isNull() const;
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void forget() const;
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QByteArray savedFormat() const {
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return _format;
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}
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QByteArray savedData() const {
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return _saved;
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}
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virtual DelayedStorageImage *toDelayedStorageImage() {
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return 0;
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}
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virtual const DelayedStorageImage *toDelayedStorageImage() const {
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return 0;
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}
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virtual ~Image();
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protected:
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Image(QByteArray format = "PNG") : _format(format), _forgot(false) {
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}
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void restore() const;
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virtual void checkload() const {
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}
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void invalidateSizeCache() const;
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virtual int32 countWidth() const {
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restore();
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return _data.width();
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}
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virtual int32 countHeight() const {
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restore();
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return _data.height();
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}
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mutable QByteArray _saved, _format;
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mutable bool _forgot;
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mutable QPixmap _data;
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private:
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typedef QMap<uint64, QPixmap> Sizes;
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mutable Sizes _sizesCache;
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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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class RemoteImage : public Image {
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public:
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RemoteImage() : _loader(0) {
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}
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void automaticLoad(const HistoryItem *item); // auto load photo
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void automaticLoadSettingsChanged();
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bool loaded() const;
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bool loading() const {
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return amLoading();
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}
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bool displayLoading() const;
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void cancel();
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float64 progress() const;
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int32 loadOffset() const;
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void setData(QByteArray &bytes, const QByteArray &format = QByteArray());
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void load(bool loadFirst = false, bool prior = true);
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void loadEvenCancelled(bool loadFirst = false, bool prior = true);
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~RemoteImage();
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protected:
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// If after loading the image we need to shrink it to fit into a
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// specific size, you can return this size here.
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virtual QSize shrinkBox() const {
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return QSize();
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}
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virtual void setInformation(int32 size, int32 width, int32 height) = 0;
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virtual FileLoader *createLoader(LoadFromCloudSetting fromCloud, bool autoLoading) = 0;
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void checkload() const {
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doCheckload();
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}
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void loadLocal();
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private:
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mutable FileLoader *_loader;
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bool amLoading() const {
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return _loader && _loader != CancelledFileLoader;
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}
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void doCheckload() const;
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};
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class StorageImage : public RemoteImage {
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public:
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StorageImage(const StorageImageLocation &location, int32 size = 0);
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StorageImage(const StorageImageLocation &location, QByteArray &bytes);
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const StorageImageLocation &location() const override {
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return _location;
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}
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protected:
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void setInformation(int32 size, int32 width, int32 height) override;
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FileLoader *createLoader(LoadFromCloudSetting fromCloud, bool autoLoading) override;
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StorageImageLocation _location;
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int32 _size;
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int32 countWidth() const override;
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int32 countHeight() const override;
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};
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class DelayedStorageImage : public StorageImage {
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public:
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DelayedStorageImage();
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DelayedStorageImage(int32 w, int32 h);
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DelayedStorageImage(QByteArray &bytes);
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void setStorageLocation(const StorageImageLocation location);
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virtual DelayedStorageImage *toDelayedStorageImage() {
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return this;
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}
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virtual const DelayedStorageImage *toDelayedStorageImage() const {
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return this;
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}
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void automaticLoad(const HistoryItem *item); // auto load photo
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void automaticLoadSettingsChanged();
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bool loading() const {
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return _location.isNull() ? _loadRequested : StorageImage::loading();
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}
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bool displayLoading() const;
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void cancel();
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void load(bool loadFirst = false, bool prior = true);
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void loadEvenCancelled(bool loadFirst = false, bool prior = true);
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private:
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bool _loadRequested, _loadCancelled, _loadFromCloud;
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};
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class WebImage : public RemoteImage {
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public:
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// If !box.isEmpty() then resize the image to fit in this box.
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WebImage(const QString &url, QSize box = QSize());
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WebImage(const QString &url, int width, int height);
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void setSize(int width, int height);
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protected:
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QSize shrinkBox() const override {
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return _box;
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}
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void setInformation(int32 size, int32 width, int32 height) override;
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FileLoader *createLoader(LoadFromCloudSetting fromCloud, bool autoLoading) override;
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int32 countWidth() const override;
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int32 countHeight() const override;
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private:
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QString _url;
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QSize _box;
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int32 _size, _width, _height;
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};
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namespace internal {
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Image *getImage(const QString &file, QByteArray format);
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Image *getImage(const QString &url, QSize box);
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Image *getImage(const QString &url, int width, int height);
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Image *getImage(const QByteArray &filecontent, QByteArray format);
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Image *getImage(const QPixmap &pixmap, QByteArray format);
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Image *getImage(const QByteArray &filecontent, QByteArray format, const QPixmap &pixmap);
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Image *getImage(int32 width, int32 height);
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StorageImage *getImage(const StorageImageLocation &location, int32 size = 0);
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StorageImage *getImage(const StorageImageLocation &location, const QByteArray &bytes);
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} // namespace internal
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class ImagePtr : public ManagedPtr<Image> {
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public:
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ImagePtr();
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ImagePtr(const QString &file, QByteArray format = QByteArray()) : Parent(internal::getImage(file, format)) {
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}
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ImagePtr(const QString &url, QSize box) : Parent(internal::getImage(url, box)) {
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}
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ImagePtr(const QString &url, int width, int height) : Parent(internal::getImage(url, width, height)) {
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}
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ImagePtr(const QByteArray &filecontent, QByteArray format = QByteArray()) : Parent(internal::getImage(filecontent, format)) {
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}
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ImagePtr(const QByteArray &filecontent, QByteArray format, const QPixmap &pixmap) : Parent(internal::getImage(filecontent, format, pixmap)) {
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}
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ImagePtr(const QPixmap &pixmap, QByteArray format) : Parent(internal::getImage(pixmap, format)) {
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}
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ImagePtr(const StorageImageLocation &location, int32 size = 0) : Parent(internal::getImage(location, size)) {
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}
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ImagePtr(const StorageImageLocation &location, const QByteArray &bytes) : Parent(internal::getImage(location, bytes)) {
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}
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ImagePtr(int32 width, int32 height, const MTPFileLocation &location, ImagePtr def = ImagePtr());
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ImagePtr(int32 width, int32 height) : Parent(internal::getImage(width, height)) {
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}
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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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void clearStorageImages();
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void clearAllImages();
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int64 imageCacheSize();
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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 QSharedPointer<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(StorageFileType type, const QString &name);
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FileLocation() : size(0) {
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}
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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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StorageFileType type;
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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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QSharedPointer<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.type == b.type && 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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typedef QPair<uint64, uint64> MediaKey;
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inline uint64 mediaMix32To64(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 MediaKey mediaKey(LocationType type, int32 dc, const uint64 &id) {
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return MediaKey(mediaMix32To64(type, dc), id);
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}
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inline StorageKey mediaKey(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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