Spreadsheet: Use FileSystemAccessClient for the reading of files

Userland/Applications/Spreadsheet/CMakeLists.txt

@@ -41,7 +41,7 @@ set(GENERATED_SOURCES
 )
 
 serenity_app(Spreadsheet ICON app-spreadsheet)
-target_link_libraries(Spreadsheet LibGUI LibJS LibWeb)
+target_link_libraries(Spreadsheet LibFileSystemAccessClient LibGUI LibJS LibWeb)
 link_with_unicode_data(Spreadsheet)
 
 serenity_test(Writers/Test/TestXSVWriter.cpp Spreadsheet)

Userland/Applications/Spreadsheet/HelpWindow.cpp

@@ -110,7 +110,7 @@ HelpWindow::HelpWindow(GUI::Window* parent)
             window->set_title(String::formatted("Spreadsheet Help - Example {} for {}", name, entry));
             window->on_close = [window = window.ptr()] { window->remove_from_parent(); };
 
-            auto& widget = window->set_main_widget<SpreadsheetWidget>(NonnullRefPtrVector<Sheet> {}, false);
+            auto& widget = window->set_main_widget<SpreadsheetWidget>(window, NonnullRefPtrVector<Sheet> {}, false);
             auto sheet = Sheet::from_json(value.as_object(), widget.workbook());
             if (!sheet) {
                 GUI::MessageBox::show_error(this, String::formatted("Corrupted example '{}' in '{}'", name, url.path()));

Userland/Applications/Spreadsheet/ImportDialog.cpp

@@ -175,9 +175,9 @@ void CSVImportDialogPage::update_preview()
     m_data_preview_table_view->update();
 }
 
-Result<NonnullRefPtrVector<Sheet>, String> ImportDialog::make_and_run_for(GUI::Window* parent, StringView mime, Core::File& file, Workbook& workbook)
+Result<NonnullRefPtrVector<Sheet>, String> ImportDialog::make_and_run_for(GUI::Window& parent, StringView mime, Core::File& file, Workbook& workbook)
 {
-    auto wizard = GUI::WizardDialog::construct(parent);
+    auto wizard = GUI::WizardDialog::construct(&parent);
     wizard->set_title("File Import Wizard");
     wizard->set_icon(GUI::Icon::default_icon("app-spreadsheet").bitmap_for_size(16));
 

Userland/Applications/Spreadsheet/ImportDialog.h

@@ -56,7 +56,7 @@ private:
 };
 
 struct ImportDialog {
-    static Result<NonnullRefPtrVector<Sheet>, String> make_and_run_for(GUI::Window* parent, StringView mime, Core::File& file, Workbook&);
+    static Result<NonnullRefPtrVector<Sheet>, String> make_and_run_for(GUI::Window& parent, StringView mime, Core::File& file, Workbook&);
 };
 
 }

Userland/Applications/Spreadsheet/SpreadsheetWidget.cpp

@@ -7,6 +7,7 @@
 #include "SpreadsheetWidget.h"
 #include "CellSyntaxHighlighter.h"
 #include "HelpWindow.h"
+#include "LibFileSystemAccessClient/Client.h"
 #include <LibGUI/Application.h>
 #include <LibGUI/BoxLayout.h>
 #include <LibGUI/Button.h>
@@ -25,8 +26,8 @@
 
 namespace Spreadsheet {
 
-SpreadsheetWidget::SpreadsheetWidget(NonnullRefPtrVector<Sheet>&& sheets, bool should_add_sheet_if_empty)
-    : m_workbook(make<Workbook>(move(sheets), window()))
+SpreadsheetWidget::SpreadsheetWidget(GUI::Window& parent_window, NonnullRefPtrVector<Sheet>&& sheets, bool should_add_sheet_if_empty)
+    : m_workbook(make<Workbook>(move(sheets), parent_window))
 {
     set_fill_with_background_color(true);
     set_layout<GUI::VerticalBoxLayout>().set_margins(2);
@@ -123,7 +124,15 @@ SpreadsheetWidget::SpreadsheetWidget(NonnullRefPtrVector<Sheet>&& sheets, bool s
         if (!load_path.has_value())
             return;
 
-        load(load_path.value());
+        auto response = FileSystemAccessClient::Client::the().request_file_read_only_approved(window()->window_id(), *load_path);
+
+        if (response.error != 0) {
+            if (response.error != -1)
+                GUI::MessageBox::show_error(window(), String::formatted("Opening \"{}\" failed: {}", *response.chosen_file, strerror(response.error)));
+            return;
+        }
+
+        load_file(*response.fd, *load_path);
     });
 
     m_save_action = GUI::CommonActions::make_save_action([&](auto&) {
@@ -391,9 +400,9 @@ void SpreadsheetWidget::save(StringView filename)
         GUI::MessageBox::show_error(window(), result.error());
 }
 
-void SpreadsheetWidget::load(StringView filename)
+void SpreadsheetWidget::load_file(int fd, StringView filename)
 {
-    auto result = m_workbook->load(filename);
+    auto result = m_workbook->open_file(fd, filename);
     if (result.is_error()) {
         GUI::MessageBox::show_error(window(), result.error());
         return;

Userland/Applications/Spreadsheet/SpreadsheetWidget.h

@@ -20,7 +20,7 @@ public:
     ~SpreadsheetWidget();
 
     void save(StringView filename);
-    void load(StringView filename);
+    void load_file(int fd, StringView filename);
     bool request_close();
     void add_sheet();
     void add_sheet(NonnullRefPtr<Sheet>&&);
@@ -45,7 +45,7 @@ public:
 private:
     virtual void resize_event(GUI::ResizeEvent&) override;
 
-    explicit SpreadsheetWidget(NonnullRefPtrVector<Sheet>&& sheets = {}, bool should_add_sheet_if_empty = true);
+    explicit SpreadsheetWidget(GUI::Window& window, NonnullRefPtrVector<Sheet>&& sheets = {}, bool should_add_sheet_if_empty = true);
 
     void setup_tabs(NonnullRefPtrVector<Sheet> new_sheets);
 

Userland/Applications/Spreadsheet/Workbook.cpp

@@ -8,16 +8,20 @@
 #include "ExportDialog.h"
 #include "ImportDialog.h"
 #include "JSIntegration.h"
+#include "LibGUI/MessageBox.h"
 #include "Readers/CSV.h"
 #include <AK/ByteBuffer.h>
+#include <AK/StringView.h>
 #include <LibCore/File.h>
 #include <LibCore/MimeData.h>
+#include <LibFileSystemAccessClient/Client.h>
 #include <LibGUI/TextBox.h>
+#include <LibGUI/Window.h>
 #include <LibJS/Runtime/GlobalObject.h>
 
 namespace Spreadsheet {
 
-Workbook::Workbook(NonnullRefPtrVector<Sheet>&& sheets, GUI::Window* parent_window)
+Workbook::Workbook(NonnullRefPtrVector<Sheet>&& sheets, GUI::Window& parent_window)
     : m_sheets(move(sheets))
     , m_vm(JS::VM::create())
     , m_interpreter(JS::Interpreter::create<JS::GlobalObject>(m_vm))
@@ -47,23 +51,18 @@ bool Workbook::set_filename(const String& filename)
     return true;
 }
 
-Result<bool, String> Workbook::load(StringView filename)
+Result<bool, String> Workbook::open_file(int fd, StringView filename)
 {
-    auto file_or_error = Core::File::open(filename, Core::OpenMode::ReadOnly);
-    if (file_or_error.is_error()) {
-        StringBuilder sb;
-        sb.append("Failed to open ");
-        sb.append(filename);
-        sb.append(" for reading. Error: ");
-        sb.appendff("{}", file_or_error.error());
+    auto file = Core::File::construct();
 
-        return sb.to_string();
+    if (!file->open(fd, Core::OpenMode::ReadOnly, Core::File::ShouldCloseFileDescriptor::Yes) && file->error() != ENOENT) {
+        return String::formatted("Opening \"{}\" failed: {}", file, strerror(errno));
     }
 
     auto mime = Core::guess_mime_type_based_on_filename(filename);
 
     // Make an import dialog, we might need to import it.
-    auto result = ImportDialog::make_and_run_for(m_parent_window, mime, file_or_error.value(), *this);
+    auto result = ImportDialog::make_and_run_for(m_parent_window, mime, file, *this);
     if (result.is_error())
         return result.error();
 
@@ -74,6 +73,22 @@ Result<bool, String> Workbook::load(StringView filename)
     return true;
 }
 
+Result<bool, String> Workbook::load(StringView filename)
+{
+    auto response = FileSystemAccessClient::Client::the().request_file_read_only_approved(m_parent_window.window_id(), filename);
+    if (response.error != 0) {
+        StringBuilder sb;
+        sb.append("Failed to open ");
+        sb.append(filename);
+        sb.append(" for reading. Error: ");
+        sb.appendff("{}", response.error);
+
+        return sb.to_string();
+    }
+
+    return open_file(*response.fd, filename);
+}
+
 Result<bool, String> Workbook::save(StringView filename)
 {
     auto mime = Core::guess_mime_type_based_on_filename(filename);

Userland/Applications/Spreadsheet/Workbook.h

@@ -15,10 +15,11 @@ namespace Spreadsheet {
 
 class Workbook {
 public:
-    Workbook(NonnullRefPtrVector<Sheet>&& sheets, GUI::Window* parent_window);
+    Workbook(NonnullRefPtrVector<Sheet>&& sheets, GUI::Window& parent_window);
 
     Result<bool, String> save(StringView filename);
     Result<bool, String> load(StringView filename);
+    Result<bool, String> open_file(int fd, StringView filename);
 
     const String& current_filename() const { return m_current_filename; }
     bool set_filename(const String& filename);
@@ -48,7 +49,7 @@ private:
     JS::VM::InterpreterExecutionScope m_interpreter_scope;
     WorkbookObject* m_workbook_object { nullptr };
     JS::ExecutionContext m_main_execution_context;
-    GUI::Window* m_parent_window { nullptr };
+    GUI::Window& m_parent_window;
 
     String m_current_filename;
     bool m_dirty { false };

Userland/Applications/Spreadsheet/main.cpp

@@ -5,6 +5,7 @@
  */
 
 #include "HelpWindow.h"
+#include "LibFileSystemAccessClient/Client.h"
 #include "Spreadsheet.h"
 #include "SpreadsheetWidget.h"
 #include <AK/ScopeGuard.h>
@@ -80,10 +81,7 @@ int main(int argc, char* argv[])
     window->resize(640, 480);
     window->set_icon(app_icon.bitmap_for_size(16));
 
-    auto& spreadsheet_widget = window->set_main_widget<Spreadsheet::SpreadsheetWidget>(NonnullRefPtrVector<Spreadsheet::Sheet> {}, filename == nullptr);
-
-    if (filename)
-        spreadsheet_widget.load(filename);
+    auto& spreadsheet_widget = window->set_main_widget<Spreadsheet::SpreadsheetWidget>(*window, NonnullRefPtrVector<Spreadsheet::Sheet> {}, filename == nullptr);
 
     spreadsheet_widget.initialize_menubar(*window);
 
@@ -95,5 +93,16 @@ int main(int argc, char* argv[])
 
     window->show();
 
+    if (filename) {
+        auto response = FileSystemAccessClient::Client::the().request_file_read_only_approved(window->window_id(), filename);
+
+        if (response.error != 0) {
+            if (response.error != -1)
+                GUI::MessageBox::show_error(window, String::formatted("Opening \"{}\" failed: {}", *response.chosen_file, strerror(response.error)));
+            return 1;
+        }
+        spreadsheet_widget.load_file(*response.fd, filename);
+    }
+
     return app->exec();
 }