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Merge pull request #9 from cutefishos/thumbnailer

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Thumbnailer
This commit is contained in:
Reion Wong 2021-07-25 03:51:27 +08:00 committed by GitHub
commit b18a84a493
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7 changed files with 330 additions and 62 deletions
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1
CMakeLists.txt
View file

@ -39,6 +39,7 @@ add_executable(cutefish-filemanager
helper/pathhistory.cpp
helper/fm.cpp
helper/shortcut.cpp
helper/thumbnailerjob.cpp
desktopiconprovider.cpp

29
helper/thumbnailer.cpp
View file

@ -21,6 +21,8 @@
#include <KIO/PreviewJob>
#include "thumbnailerjob.h"
#include <QDebug>
#include <QImage>
@ -34,20 +36,35 @@ AsyncImageResponse::AsyncImageResponse(const QString &id, const QSize &requested
: m_id(id)
, m_requestedSize(requestedSize)
{
QStringList plugins = KIO::PreviewJob::defaultPlugins();
auto job = new KIO::PreviewJob(KFileItemList() << KFileItem(QUrl::fromUserInput(id)), requestedSize, &plugins);
connect(job, &KIO::PreviewJob::gotPreview, [this](KFileItem, QPixmap pixmap) {
auto job_ = new ThumbnailerJob(QUrl::fromUserInput(id).toLocalFile(), requestedSize);
connect(job_, &ThumbnailerJob::gotPreview, [this] (QPixmap pixmap) {
m_image = pixmap.toImage();
emit this->finished();
});
connect(job, &KIO::PreviewJob::failed, [this](KFileItem) {
connect(job_, &ThumbnailerJob::failed, [this] {
emit this->cancel();
emit this->finished();
});
job->start();
job_->start();
// QStringList plugins = KIO::PreviewJob::defaultPlugins();
// auto job = new KIO::PreviewJob(KFileItemList() << KFileItem(QUrl::fromUserInput(id)), requestedSize, &plugins);
// connect(job, &KIO::PreviewJob::gotPreview, [this](KFileItem, QPixmap pixmap) {
// m_image = pixmap.toImage();
// emit this->finished();
// });
// connect(job, &KIO::PreviewJob::failed, [this](KFileItem) {
// emit this->cancel();
// emit this->finished();
// });
// job->start();
}
QQuickTextureFactory *AsyncImageResponse::textureFactory() const

164
helper/thumbnailerjob.cpp Normal file
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@ -0,0 +1,164 @@
/*
* Copyright (C) 2021 CutefishOS Team.
*
* Author: Reion Wong <reionwong@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "thumbnailerjob.h"
#include <QStandardPaths>
#include <QCryptographicHash>
#include <QFile>
#include <QDir>
#include <QImage>
#include <QPixmap>
#include <QSaveFile>
#include <QDebug>
#include <QImageReader>
#include <sys/ipc.h>
#include <sys/shm.h>
ThumbnailerJob::ThumbnailerJob(const QString &fileName, const QSize &size, QObject *parent)
: QThread(parent)
, m_url(QUrl::fromUserInput(fileName))
, m_size(size)
, shmaddr(nullptr)
, shmid(-1)
{
// http://specifications.freedesktop.org/thumbnail-spec/thumbnail-spec-latest.html#DIRECTORY
m_thumbnailsDir = QStandardPaths::writableLocation(QStandardPaths::GenericCacheLocation) + QLatin1String("/thumbnails/");
}
ThumbnailerJob::~ThumbnailerJob()
{
if (shmaddr) {
shmdt((char *)shmaddr);
shmctl(shmid, IPC_RMID, nullptr);
}
}
void ThumbnailerJob::run()
{
if (!QFile::exists(m_url.toLocalFile())) {
emit failed();
return;
}
int width = m_size.width();
int height = m_size.height();
int cacheSize = 0;
bool needCache = false;
// 首先需要找到目录
if (width <= 128 && height <= 128)
cacheSize = 128;
else if (width <= 256 && height <= 256)
cacheSize = 256;
else
cacheSize = 512;
struct CachePool {
QString path;
int minSize;
};
const static auto pools = {
CachePool{QStringLiteral("/normal/"), 128},
CachePool{QStringLiteral("/large/"), 256},
CachePool{QStringLiteral("/x-large/"), 512},
CachePool{QStringLiteral("/xx-large/"), 1024},
};
QString thumbDir;
int wants = /*devicePixelRatio **/ cacheSize;
for (const auto &p : pools) {
if (p.minSize < wants) {
continue;
} else {
thumbDir = p.path;
break;
}
}
m_thumbnailsPath = m_thumbnailsDir + thumbDir;
// 不存在需要创建路径
if (!QDir(m_thumbnailsPath).exists()) {
if (QDir().mkpath(m_thumbnailsPath)) {
QFile f(m_thumbnailsPath);
f.setPermissions(QFile::ReadUser | QFile::WriteUser | QFile::ExeUser); // 0700
}
}
// 求出文件的 md5
QByteArray origName;
const QFileInfo info(m_url.toLocalFile());
const QString canonicalPath = info.canonicalFilePath();
origName = QUrl::fromLocalFile(canonicalPath).toEncoded(QUrl::RemovePassword | QUrl::FullyEncoded);
if (origName.isEmpty()) {
emit failed();
return;
}
QCryptographicHash md5(QCryptographicHash::Md5);
md5.addData(origName);
m_thumbnailsName = QString::fromLatin1(md5.result().toHex()) + QLatin1String(".png");
// 是否需要生成缓存
needCache = !QFile::exists(m_thumbnailsPath + m_thumbnailsName);
if (needCache) {
QFile f(m_url.toLocalFile());
if (f.open(QIODevice::ReadOnly)) {
QByteArray data = f.readAll();
QImage thumb;
thumb.loadFromData(data);
thumb = thumb.scaled(m_size, Qt::KeepAspectRatio, Qt::SmoothTransformation);
// 保存 cache 文件
QSaveFile saveFile(m_thumbnailsPath + m_thumbnailsName);
if (saveFile.open(QIODevice::WriteOnly)) {
if (thumb.save(&saveFile, "PNG")) {
saveFile.commit();
}
}
emitPreview(thumb);
}
} else {
QFile f(m_thumbnailsPath + m_thumbnailsName);
if (f.open(QIODevice::ReadOnly)) {
QByteArray data = f.readAll();
QImage thumb;
thumb.loadFromData(data);
emitPreview(thumb);
}
}
}
void ThumbnailerJob::emitPreview(const QImage &image)
{
QPixmap pixmap;
if (image.width() > m_size.width() || image.height() > m_size.height()) {
pixmap = QPixmap::fromImage(image.scaled(m_size, Qt::KeepAspectRatio, Qt::SmoothTransformation));
} else {
pixmap = QPixmap::fromImage(image);
}
emit gotPreview(pixmap);
}

59
helper/thumbnailerjob.h Normal file
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@ -0,0 +1,59 @@
/*
* Copyright (C) 2021 CutefishOS Team.
*
* Author: Reion Wong <reionwong@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef THUMBNAILERJOB_H
#define THUMBNAILERJOB_H
#include <QObject>
#include <QThread>
#include <QSize>
#include <QUrl>
class ThumbnailerJob : public QThread
{
Q_OBJECT
public:
explicit ThumbnailerJob(const QString &fileName, const QSize &size, QObject *parent = nullptr);
~ThumbnailerJob();
void run() override;
signals:
void gotPreview(const QPixmap &pixmap);
void failed();
private:
void emitPreview(const QImage &image);
private:
QUrl m_url;
QSize m_size;
// thumbnail cache folder
QString m_thumbnailsDir;
QString m_thumbnailsPath;
QString m_thumbnailsName;
uchar *shmaddr;
size_t shmsize;
int shmid;
};
#endif // THUMBNAILERJOB_H

6
qml/FolderListItem.qml
View file

@ -41,10 +41,10 @@ Item {
property bool selected: model.selected
property bool blank: model.blank
property color hoveredColor: FishUI.Theme.darkMode ? Qt.lighter(FishUI.Theme.backgroundColor, 1.1)
: Qt.darker(FishUI.Theme.backgroundColor, 1.05)
property color hoveredColor: FishUI.Theme.darkMode ? Qt.lighter(FishUI.Theme.backgroundColor, 2.3)
: Qt.darker(FishUI.Theme.backgroundColor, 1.05)
property color selectedColor: FishUI.Theme.darkMode ? Qt.lighter(FishUI.Theme.backgroundColor, 1.2)
: Qt.darker(FishUI.Theme.backgroundColor, 1.15)
: Qt.darker(FishUI.Theme.backgroundColor, 1.15)
// onSelectedChanged: {
// if (selected && !blank) {
// _listItem.grabToImage(function(result) {

132
qml/FolderPage.qml
View file

@ -20,6 +20,7 @@
import QtQuick 2.12
import QtQuick.Controls 2.12
import QtQuick.Layouts 1.12
import QtGraphicalEffects 1.0
import Qt.labs.platform 1.0
import Cutefish.FileManager 1.0 as FM
@ -89,10 +90,26 @@ Item {
Rectangle {
id: _background
anchors.fill: parent
anchors.rightMargin: FishUI.Units.smallSpacing * 1.5
anchors.bottomMargin: FishUI.Units.smallSpacing * 1.5
radius: FishUI.Theme.smallRadius
color: FishUI.Theme.secondBackgroundColor
Rectangle {
id: _topRightRect
anchors.right: parent.right
anchors.top: parent.top
height: FishUI.Theme.smallRadius
width: FishUI.Theme.smallRadius
color: FishUI.Theme.secondBackgroundColor
}
Rectangle {
id: _bottomLeftRect
anchors.left: parent.left
anchors.bottom: parent.bottom
height: FishUI.Theme.smallRadius
width: FishUI.Theme.smallRadius
color: FishUI.Theme.secondBackgroundColor
}
}
Label {
@ -140,7 +157,7 @@ Item {
ColumnLayout {
anchors.fill: parent
anchors.bottomMargin: FishUI.Theme.smallRadius
anchors.bottomMargin: 2
spacing: 0
Loader {
@ -161,9 +178,64 @@ Item {
}
}
Loader {
Layout.fillWidth: true
sourceComponent: _statusBar
Item {
visible: settings.viewMethod === 0
height: statusBarHeight
}
}
Item {
id: _statusBar
anchors.left: parent.left
anchors.right: parent.right
anchors.bottom: parent.bottom
height: statusBarHeight
z: 999
Rectangle {
anchors.fill: parent
color: FishUI.Theme.backgroundColor
opacity: 0.7
}
MouseArea {
anchors.fill: parent
}
RowLayout {
anchors.fill: parent
anchors.leftMargin: FishUI.Units.smallSpacing
anchors.rightMargin: FishUI.Units.smallSpacing
// anchors.bottomMargin: 1
spacing: FishUI.Units.largeSpacing
Label {
Layout.alignment: Qt.AlignLeft
font.pointSize: 10
text: dirModel.count === 1 ? qsTr("%1 item").arg(dirModel.count)
: qsTr("%1 items").arg(dirModel.count)
}
Label {
Layout.alignment: Qt.AlignLeft
font.pointSize: 10
text: qsTr("%1 selected").arg(dirModel.selectionCount)
visible: dirModel.selectionCount >= 1
}
Item {
Layout.fillWidth: true
}
Button {
Layout.fillHeight: true
Layout.alignment: Qt.AlignRight
text: qsTr("Empty Trash")
font.pointSize: 10
onClicked: dirModel.emptyTrash()
visible: dirModel.url === "trash:///"
focusPolicy: Qt.NoFocus
}
}
}
@ -175,51 +247,6 @@ Item {
dirModel.requestRename.connect(rename)
}
Component {
id: _statusBar
Item {
height: statusBarHeight
z: 999
RowLayout {
anchors.fill: parent
anchors.leftMargin: FishUI.Units.smallSpacing
anchors.rightMargin: FishUI.Units.largeSpacing
anchors.bottomMargin: 1
spacing: FishUI.Units.largeSpacing
Label {
Layout.alignment: Qt.AlignLeft
font.pointSize: 10
text: dirModel.count === 1 ? qsTr("%1 item").arg(dirModel.count)
: qsTr("%1 items").arg(dirModel.count)
}
Label {
Layout.alignment: Qt.AlignLeft
font.pointSize: 10
text: qsTr("%1 selected").arg(dirModel.selectionCount)
visible: dirModel.selectionCount >= 1
}
Item {
Layout.fillWidth: true
}
Button {
Layout.fillHeight: true
Layout.alignment: Qt.AlignRight
text: qsTr("Empty Trash")
font.pointSize: 10
onClicked: dirModel.emptyTrash()
visible: dirModel.url === "trash:/"
focusPolicy: Qt.NoFocus
}
}
}
}
Component {
id: _gridViewComponent
@ -253,7 +280,8 @@ Item {
topMargin: FishUI.Units.smallSpacing
leftMargin: FishUI.Units.largeSpacing
rightMargin: FishUI.Units.largeSpacing + FishUI.Theme.smallRadius
rightMargin: FishUI.Units.largeSpacing
bottomMargin: FishUI.Units.largeSpacing
spacing: FishUI.Units.largeSpacing
onCountChanged: {

1
qml/SideBar.qml
View file

@ -111,7 +111,6 @@ ListView {
id: _label
text: model.name
color: checked ? FishUI.Theme.highlightedTextColor : FishUI.Theme.textColor
elide: Text.ElideRight
Layout.fillWidth: true
Layout.alignment: Qt.AlignVCenter
}