From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 widget/gtk/nsApplicationChooser.cpp | 128 ++++++++++++++++++++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 widget/gtk/nsApplicationChooser.cpp

(limited to 'widget/gtk/nsApplicationChooser.cpp')

diff --git a/widget/gtk/nsApplicationChooser.cpp b/widget/gtk/nsApplicationChooser.cpp
new file mode 100644
index 000000000..76c231cf6
--- /dev/null
+++ b/widget/gtk/nsApplicationChooser.cpp
@@ -0,0 +1,128 @@
+/* -*- 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()
+{
+}
+
+nsApplicationChooser::~nsApplicationChooser()
+{
+}
+
+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));
+          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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