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Ladybird/Qt: Implement <input type=file> file type filtering

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Timothy Flynn 2024-03-14 19:19:51 -04:00 • committed by Andreas Kling
parent 764286676f
commit a0e6c7457a
1 changed files with 51 additions and 3 deletions
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54
Ladybird/Qt/Tab.cpp
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@ -32,6 +32,8 @@
#include <QMenu> #include <QMenu>
#include <QMessageBox> #include <QMessageBox>
#include <QMimeData> #include <QMimeData>
#include <QMimeDatabase>
#include <QMimeType>
#include <QPainter> #include <QPainter>
#include <QPoint> #include <QPoint>
#include <QPushButton> #include <QPushButton>
@ -232,7 +234,7 @@ Tab::Tab(BrowserWindow* window, WebContentOptions const& web_content_options, St
m_dialog = nullptr; m_dialog = nullptr;
}; };
view().on_request_file_picker = [this](auto const&, auto allow_multiple_files) { view().on_request_file_picker = [this](auto const& accepted_file_types, auto allow_multiple_files) {
Vector<Web::HTML::SelectedFile> selected_files; Vector<Web::HTML::SelectedFile> selected_files;
auto create_selected_file = [&](auto const& qfile_path) { auto create_selected_file = [&](auto const& qfile_path) {
@ -244,14 +246,60 @@ Tab::Tab(BrowserWindow* window, WebContentOptions const& web_content_options, St
selected_files.append(file.release_value()); selected_files.append(file.release_value());
}; };
QStringList accepted_file_filters;
QMimeDatabase mime_database;
for (auto const& filter : accepted_file_types.filters) {
filter.visit(
[&](Web::HTML::FileFilter::FileType type) {
QString title;
QString filter;
switch (type) {
case Web::HTML::FileFilter::FileType::Audio:
title = "Audio files";
filter = "audio/";
break;
case Web::HTML::FileFilter::FileType::Image:
title = "Image files";
filter = "image/";
break;
case Web::HTML::FileFilter::FileType::Video:
title = "Video files";
filter = "video/";
break;
}
QStringList extensions;
for (auto const& mime_type : mime_database.allMimeTypes()) {
if (mime_type.name().startsWith(filter))
extensions.append(mime_type.globPatterns());
}
accepted_file_filters.append(QString("%1 (%2)").arg(title, extensions.join(" ")));
},
[&](Web::HTML::FileFilter::MimeType const& filter) {
if (auto mime_type = mime_database.mimeTypeForName(qstring_from_ak_string(filter.value)); mime_type.isValid())
accepted_file_filters.append(mime_type.filterString());
},
[&](Web::HTML::FileFilter::Extension const& filter) {
auto extension = MUST(String::formatted("*.{}", filter.value));
accepted_file_filters.append(qstring_from_ak_string(extension));
});
}
accepted_file_filters.size() > 1 ? accepted_file_filters.prepend("All files (*)") : accepted_file_filters.append("All files (*)");
auto filters = accepted_file_filters.join(";;");
if (allow_multiple_files == Web::HTML::AllowMultipleFiles::Yes) { if (allow_multiple_files == Web::HTML::AllowMultipleFiles::Yes) {
auto paths = QFileDialog::getOpenFileNames(this, "Select files", QDir::homePath(), "All Files (*.*)"); auto paths = QFileDialog::getOpenFileNames(this, "Select files", QDir::homePath(), filters);
selected_files.ensure_capacity(static_cast<size_t>(paths.size())); selected_files.ensure_capacity(static_cast<size_t>(paths.size()));
for (auto const& path : paths) for (auto const& path : paths)
create_selected_file(path); create_selected_file(path);
} else { } else {
auto path = QFileDialog::getOpenFileName(this, "Select file", QDir::homePath(), "All Files (*.*)"); auto path = QFileDialog::getOpenFileName(this, "Select file", QDir::homePath(), filters);
create_selected_file(path); create_selected_file(path);
} }