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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/Types.h"
#include <gtk/gtk.h>
#include "nsApplicationChooser.h"
#include "WidgetUtils.h"
#include "nsIMIMEInfo.h"
#include "nsIWidget.h"
#include "nsCExternalHandlerService.h"
#include "nsComponentManagerUtils.h"
#include "nsGtkUtils.h"
#include "nsPIDOMWindow.h"
using namespace mozilla;
NS_IMPL_ISUPPORTS(nsApplicationChooser, nsIApplicationChooser)
nsApplicationChooser::nsApplicationChooser() = default;
nsApplicationChooser::~nsApplicationChooser() = default;
NS_IMETHODIMP
nsApplicationChooser::Init(mozIDOMWindowProxy* aParent,
const nsACString& aTitle) {
NS_ENSURE_TRUE(aParent, NS_ERROR_FAILURE);
auto* parent = nsPIDOMWindowOuter::From(aParent);
mParentWidget = widget::WidgetUtils::DOMWindowToWidget(parent);
mWindowTitle.Assign(aTitle);
return NS_OK;
}
NS_IMETHODIMP
nsApplicationChooser::Open(const nsACString& aContentType,
nsIApplicationChooserFinishedCallback* aCallback) {
MOZ_ASSERT(aCallback);
if (mCallback) {
NS_WARNING("Chooser is already in progress.");
return NS_ERROR_ALREADY_INITIALIZED;
}
mCallback = aCallback;
NS_ENSURE_TRUE(mParentWidget, NS_ERROR_FAILURE);
GtkWindow* parent_widget =
GTK_WINDOW(mParentWidget->GetNativeData(NS_NATIVE_SHELLWIDGET));
GtkWidget* chooser = gtk_app_chooser_dialog_new_for_content_type(
parent_widget,
(GtkDialogFlags)(GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT),
PromiseFlatCString(aContentType).get());
gtk_app_chooser_dialog_set_heading(GTK_APP_CHOOSER_DIALOG(chooser),
mWindowTitle.BeginReading());
NS_ADDREF_THIS();
g_signal_connect(chooser, "response", G_CALLBACK(OnResponse), this);
g_signal_connect(chooser, "destroy", G_CALLBACK(OnDestroy), this);
gtk_widget_show(chooser);
return NS_OK;
}
/* static */
void nsApplicationChooser::OnResponse(GtkWidget* chooser, gint response_id,
gpointer user_data) {
static_cast<nsApplicationChooser*>(user_data)->Done(chooser, response_id);
}
/* static */
void nsApplicationChooser::OnDestroy(GtkWidget* chooser, gpointer user_data) {
static_cast<nsApplicationChooser*>(user_data)->Done(chooser,
GTK_RESPONSE_CANCEL);
}
void nsApplicationChooser::Done(GtkWidget* chooser, gint response) {
nsCOMPtr<nsILocalHandlerApp> localHandler;
nsresult rv;
switch (response) {
case GTK_RESPONSE_OK:
case GTK_RESPONSE_ACCEPT: {
localHandler = do_CreateInstance(NS_LOCALHANDLERAPP_CONTRACTID, &rv);
if (NS_FAILED(rv)) {
NS_WARNING("Out of memory.");
break;
}
GAppInfo* app_info =
gtk_app_chooser_get_app_info(GTK_APP_CHOOSER(chooser));
nsCOMPtr<nsIFile> localExecutable;
gchar* fileWithFullPath =
g_find_program_in_path(g_app_info_get_executable(app_info));
if (!fileWithFullPath) {
g_object_unref(app_info);
NS_WARNING("Cannot find program in path.");
break;
}
rv = NS_NewNativeLocalFile(nsDependentCString(fileWithFullPath), false,
getter_AddRefs(localExecutable));
g_free(fileWithFullPath);
if (NS_FAILED(rv)) {
NS_WARNING("Cannot create local filename.");
localHandler = nullptr;
} else {
localHandler->SetExecutable(localExecutable);
localHandler->SetName(
NS_ConvertUTF8toUTF16(g_app_info_get_display_name(app_info)));
}
g_object_unref(app_info);
}
break;
case GTK_RESPONSE_CANCEL:
case GTK_RESPONSE_CLOSE:
case GTK_RESPONSE_DELETE_EVENT:
break;
default:
NS_WARNING("Unexpected response");
break;
}
// A "response" signal won't be sent again but "destroy" will be.
g_signal_handlers_disconnect_by_func(chooser, FuncToGpointer(OnDestroy),
this);
gtk_widget_destroy(chooser);
if (mCallback) {
mCallback->Done(localHandler);
mCallback = nullptr;
}
NS_RELEASE_THIS();
}
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