Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* This Source Code Form is subject to the terms of the Mozilla Public
       3             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       4             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       5             : 
       6             : #include "mozilla/Types.h"
       7             : 
       8             : #include <gtk/gtk.h>
       9             : 
      10             : #include "nsApplicationChooser.h"
      11             : #include "WidgetUtils.h"
      12             : #include "nsIMIMEInfo.h"
      13             : #include "nsIWidget.h"
      14             : #include "nsCExternalHandlerService.h"
      15             : #include "nsComponentManagerUtils.h"
      16             : #include "nsGtkUtils.h"
      17             : #include "nsPIDOMWindow.h"
      18             : 
      19             : using namespace mozilla;
      20             : 
      21           0 : NS_IMPL_ISUPPORTS(nsApplicationChooser, nsIApplicationChooser)
      22             : 
      23           0 : nsApplicationChooser::nsApplicationChooser()
      24             : {
      25           0 : }
      26             : 
      27           0 : nsApplicationChooser::~nsApplicationChooser()
      28             : {
      29           0 : }
      30             : 
      31             : NS_IMETHODIMP
      32           0 : nsApplicationChooser::Init(mozIDOMWindowProxy* aParent,
      33             :                            const nsACString& aTitle)
      34             : {
      35           0 :   NS_ENSURE_TRUE(aParent, NS_ERROR_FAILURE);
      36           0 :   auto* parent = nsPIDOMWindowOuter::From(aParent);
      37           0 :   mParentWidget = widget::WidgetUtils::DOMWindowToWidget(parent);
      38           0 :   mWindowTitle.Assign(aTitle);
      39           0 :   return NS_OK;
      40             : }
      41             : 
      42             : NS_IMETHODIMP
      43           0 : nsApplicationChooser::Open(const nsACString& aContentType, nsIApplicationChooserFinishedCallback *aCallback)
      44             : {
      45           0 :   MOZ_ASSERT(aCallback);
      46           0 :   if (mCallback) {
      47           0 :     NS_WARNING("Chooser is already in progress.");
      48           0 :     return NS_ERROR_ALREADY_INITIALIZED;
      49             :   }
      50           0 :   mCallback = aCallback;
      51           0 :   NS_ENSURE_TRUE(mParentWidget, NS_ERROR_FAILURE);
      52             :   GtkWindow *parent_widget =
      53           0 :     GTK_WINDOW(mParentWidget->GetNativeData(NS_NATIVE_SHELLWIDGET));
      54             : 
      55             :   GtkWidget* chooser =
      56           0 :     gtk_app_chooser_dialog_new_for_content_type(parent_widget,
      57             :         (GtkDialogFlags) (GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT),
      58           0 :         PromiseFlatCString(aContentType).get());
      59           0 :   gtk_app_chooser_dialog_set_heading(GTK_APP_CHOOSER_DIALOG(chooser), mWindowTitle.BeginReading());
      60           0 :   NS_ADDREF_THIS();
      61           0 :   g_signal_connect(chooser, "response", G_CALLBACK(OnResponse), this);
      62           0 :   g_signal_connect(chooser, "destroy", G_CALLBACK(OnDestroy), this);
      63           0 :   gtk_widget_show(chooser);
      64           0 :   return NS_OK;
      65             : }
      66             : 
      67             : /* static */ void
      68           0 : nsApplicationChooser::OnResponse(GtkWidget* chooser, gint response_id, gpointer user_data)
      69             : {
      70           0 :   static_cast<nsApplicationChooser*>(user_data)->Done(chooser, response_id);
      71           0 : }
      72             : 
      73             : /* static */ void
      74           0 : nsApplicationChooser::OnDestroy(GtkWidget *chooser, gpointer user_data)
      75             : {
      76           0 :   static_cast<nsApplicationChooser*>(user_data)->Done(chooser, GTK_RESPONSE_CANCEL);
      77           0 : }
      78             : 
      79           0 : void nsApplicationChooser::Done(GtkWidget* chooser, gint response)
      80             : {
      81           0 :   nsCOMPtr<nsILocalHandlerApp> localHandler;
      82             :   nsresult rv;
      83           0 :   switch (response) {
      84             :     case GTK_RESPONSE_OK:
      85             :     case GTK_RESPONSE_ACCEPT:
      86             :         {
      87           0 :           localHandler = do_CreateInstance(NS_LOCALHANDLERAPP_CONTRACTID, &rv);
      88           0 :           if (NS_FAILED(rv)) {
      89           0 :             NS_WARNING("Out of memory.");
      90           0 :             break;
      91             :           }
      92           0 :           GAppInfo *app_info = gtk_app_chooser_get_app_info(GTK_APP_CHOOSER(chooser));
      93             : 
      94           0 :           nsCOMPtr<nsIFile> localExecutable;
      95           0 :           gchar *fileWithFullPath = g_find_program_in_path(g_app_info_get_executable(app_info));
      96           0 :           rv = NS_NewNativeLocalFile(nsDependentCString(fileWithFullPath), false, getter_AddRefs(localExecutable));
      97           0 :           g_free(fileWithFullPath);
      98           0 :           if (NS_FAILED(rv)) {
      99           0 :             NS_WARNING("Cannot create local filename.");
     100           0 :             localHandler = nullptr;
     101             :           } else {
     102           0 :             localHandler->SetExecutable(localExecutable);
     103           0 :             localHandler->SetName(NS_ConvertUTF8toUTF16(g_app_info_get_display_name(app_info)));
     104             :           }
     105           0 :           g_object_unref(app_info);
     106             :         }
     107             : 
     108           0 :         break;
     109             :     case GTK_RESPONSE_CANCEL:
     110             :     case GTK_RESPONSE_CLOSE:
     111             :     case GTK_RESPONSE_DELETE_EVENT:
     112           0 :         break;
     113             :     default:
     114           0 :         NS_WARNING("Unexpected response");
     115           0 :         break;
     116             :   }
     117             : 
     118             :   // A "response" signal won't be sent again but "destroy" will be.
     119           0 :   g_signal_handlers_disconnect_by_func(chooser, FuncToGpointer(OnDestroy), this);
     120           0 :   gtk_widget_destroy(chooser);
     121             : 
     122           0 :   if (mCallback) {
     123           0 :     mCallback->Done(localHandler);
     124           0 :     mCallback = nullptr;
     125             :   }
     126           0 :   NS_RELEASE_THIS();
     127           0 : }
     128             :