forked from mirrors/gecko-dev
		
	MozReview-Commit-ID: 1eq3rRwv1g3 --HG-- extra : rebase_source : a6a5a51d58009beb4219586014cc512ecb28ea20
		
			
				
	
	
		
			128 lines
		
	
	
	
		
			4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			128 lines
		
	
	
	
		
			4 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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{
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}
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nsApplicationChooser::~nsApplicationChooser()
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{
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}
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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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{
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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, nsIApplicationChooserFinishedCallback *aCallback)
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{
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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 =
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    gtk_app_chooser_dialog_new_for_content_type(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), 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 */ void
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nsApplicationChooser::OnResponse(GtkWidget* chooser, gint response_id, gpointer user_data)
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{
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  static_cast<nsApplicationChooser*>(user_data)->Done(chooser, response_id);
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}
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/* static */ void
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nsApplicationChooser::OnDestroy(GtkWidget *chooser, gpointer user_data)
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{
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  static_cast<nsApplicationChooser*>(user_data)->Done(chooser, GTK_RESPONSE_CANCEL);
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}
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void nsApplicationChooser::Done(GtkWidget* chooser, gint response)
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{
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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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        {
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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 = gtk_app_chooser_get_app_info(GTK_APP_CHOOSER(chooser));
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          nsCOMPtr<nsIFile> localExecutable;
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          gchar *fileWithFullPath = g_find_program_in_path(g_app_info_get_executable(app_info));
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          rv = NS_NewNativeLocalFile(nsDependentCString(fileWithFullPath), false, 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(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), 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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