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