import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

toolkit/mozapps/update/updater/progressui_gtk.cpp

@@ -0,0 +1,132 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* 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 <stdio.h>
+#include <gtk/gtk.h>
+#include <unistd.h>
+#include "mozilla/Sprintf.h"
+#include "progressui.h"
+#include "readstrings.h"
+#include "errors.h"
+
+#define TIMER_INTERVAL 100
+
+static float    sProgressVal;  // between 0 and 100
+static gboolean sQuit = FALSE;
+static gboolean sEnableUI;
+static guint    sTimerID;
+
+static GtkWidget *sWin;
+static GtkWidget *sLabel;
+static GtkWidget *sProgressBar;
+
+static const char *sProgramPath;
+
+static gboolean
+UpdateDialog(gpointer data)
+{
+  if (sQuit)
+  {
+    gtk_widget_hide(sWin);
+    gtk_main_quit();
+  }
+
+  float progress = sProgressVal;
+
+  gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(sProgressBar),
+                                progress / 100.0);
+
+  return TRUE;
+}
+
+static gboolean
+OnDeleteEvent(GtkWidget *widget, GdkEvent *event, gpointer user_data)
+{
+  return TRUE;
+}
+
+int
+InitProgressUI(int *pargc, char ***pargv)
+{
+  sProgramPath = (*pargv)[0];
+
+  sEnableUI = gtk_init_check(pargc, pargv);
+  return 0;
+}
+
+int
+ShowProgressUI()
+{
+  if (!sEnableUI)
+    return -1;
+
+  // Only show the Progress UI if the process is taking a significant amount of
+  // time where a significant amount of time is defined as .5 seconds after
+  // ShowProgressUI is called sProgress is less than 70.
+  usleep(500000);
+
+  if (sQuit || sProgressVal > 70.0f)
+    return 0;
+
+  char ini_path[PATH_MAX];
+  SprintfLiteral(ini_path, "%s.ini", sProgramPath);
+
+  StringTable strings;
+  if (ReadStrings(ini_path, &strings) != OK)
+    return -1;
+
+  sWin = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+  if (!sWin)
+    return -1;
+
+  static GdkPixbuf *pixbuf;
+  char icon_path[PATH_MAX];
+  SprintfLiteral(icon_path, "%s.png", sProgramPath);
+
+  g_signal_connect(G_OBJECT(sWin), "delete_event",
+                   G_CALLBACK(OnDeleteEvent), nullptr);
+
+  gtk_window_set_title(GTK_WINDOW(sWin), strings.title);
+  gtk_window_set_type_hint(GTK_WINDOW(sWin), GDK_WINDOW_TYPE_HINT_DIALOG);
+  gtk_window_set_position(GTK_WINDOW(sWin), GTK_WIN_POS_CENTER_ALWAYS);
+  gtk_window_set_resizable(GTK_WINDOW(sWin), FALSE);
+  gtk_window_set_decorated(GTK_WINDOW(sWin), TRUE);
+  gtk_window_set_deletable(GTK_WINDOW(sWin),FALSE);
+  pixbuf = gdk_pixbuf_new_from_file (icon_path, nullptr);
+  gtk_window_set_icon(GTK_WINDOW(sWin), pixbuf);
+  g_object_unref(pixbuf);
+
+  GtkWidget *vbox = gtk_vbox_new(TRUE, 6);
+  sLabel = gtk_label_new(strings.info);
+  gtk_misc_set_alignment(GTK_MISC(sLabel), 0.0f, 0.0f);
+  sProgressBar = gtk_progress_bar_new();
+
+  gtk_box_pack_start(GTK_BOX(vbox), sLabel, FALSE, FALSE, 0);
+  gtk_box_pack_start(GTK_BOX(vbox), sProgressBar, TRUE, TRUE, 0);
+
+  sTimerID = g_timeout_add(TIMER_INTERVAL, UpdateDialog, nullptr);
+
+  gtk_container_set_border_width(GTK_CONTAINER(sWin), 10);
+  gtk_container_add(GTK_CONTAINER(sWin), vbox);
+  gtk_widget_show_all(sWin);
+
+  gtk_main();
+  return 0;
+}
+
+// Called on a background thread
+void
+QuitProgressUI()
+{
+  sQuit = TRUE;
+}
+
+// Called on a background thread
+void
+UpdateProgressUI(float progress)
+{
+  sProgressVal = progress;  // 32-bit writes are atomic
+}