onlineupdate/source/update/updater/progressui_gtk.cxx

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim:set ts=2 sw=2 sts=2 et cindent: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #if defined(UNIX) || defined(MACOSX)
   8 #include <stdio.h>
   9 #include <gtk/gtk.h>
  10 #include <unistd.h>
  11 #include "progressui.h"
  12 #include "readstrings.h"
  13 #include "errors.h"
  14 #include <string.h>
  15 #include "progressui_gtk_icon.h"
  16
  17 #ifdef __GNUC__
  18 #pragma GCC diagnostic push
  19 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
  20 #endif
  21
  22 #define TIMER_INTERVAL 100
  23
  24 static float    sProgressVal;  // between 0 and 100
  25 static gboolean sQuit = FALSE;
  26 static gboolean sEnableUI;
  27 static guint    sTimerID;
  28
  29 static GtkWidget *sWin;
  30 static GtkWidget *sLabel;
  31 static GtkWidget *sProgressBar;
  32
  33 static const char *sProgramPath;
  34
  35 static gboolean
  36 UpdateDialog(gpointer /*data*/)
  37 {
  38     if (sQuit)
  39     {
  40         gtk_widget_hide(sWin);
  41         gtk_main_quit();
  42     }
  43
  44     float progress = sProgressVal;
  45
  46     gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(sProgressBar),
  47                                   progress / 100.0);
  48
  49     return TRUE;
  50 }
  51
  52 static gboolean
  53 OnDeleteEvent(GtkWidget * /*widget*/, GdkEvent * /*event*/, gpointer /*user_data*/)
  54 {
  55     return TRUE;
  56 }
  57
  58 int
  59 InitProgressUI(int *pargc, char ***pargv)
  60 {
  61     sProgramPath = (*pargv)[0];
  62
  63     sEnableUI = gtk_init_check(pargc, pargv);
  64     return 0;
  65 }
  66
  67 int
  68 ShowProgressUI()
  69 {
  70     if (!sEnableUI)
  71         return -1;
  72
  73     // Only show the Progress UI if the process is taking a significant amount of
  74     // time where a significant amount of time is defined as .5 seconds after
  75     // ShowProgressUI is called sProgress is less than 70.
  76     usleep(500000);
  77
  78     if (sQuit || sProgressVal > 70.0f)
  79         return 0;
  80
  81     char ini_path[PATH_MAX];
  82     snprintf(ini_path, sizeof(ini_path), "%s.ini", sProgramPath);
  83
  84     StringTable strings;
  85     if (ReadStrings(ini_path, &strings) != OK)
  86     {
  87         strcpy(strings.title, "LibreOffice Update");
  88         strcpy(strings.info, "Please wait while we update your installation.");
  89     }
  90
  91     sWin = gtk_window_new(GTK_WINDOW_TOPLEVEL);
  92     if (!sWin)
  93         return -1;
  94
  95     static GdkPixbuf *pixbuf;
  96
  97     g_signal_connect(G_OBJECT(sWin), "delete_event",
  98                      G_CALLBACK(OnDeleteEvent), nullptr);
  99
 100     gtk_window_set_title(GTK_WINDOW(sWin), strings.title);
 101     gtk_window_set_type_hint(GTK_WINDOW(sWin), GDK_WINDOW_TYPE_HINT_DIALOG);
 102     gtk_window_set_position(GTK_WINDOW(sWin), GTK_WIN_POS_CENTER_ALWAYS);
 103     gtk_window_set_resizable(GTK_WINDOW(sWin), FALSE);
 104     gtk_window_set_decorated(GTK_WINDOW(sWin), TRUE);
 105     gtk_window_set_deletable(GTK_WINDOW(sWin),FALSE);
 106     pixbuf = gdk_pixbuf_new_from_xpm_data (icon_data);
 107     gtk_window_set_icon(GTK_WINDOW(sWin), pixbuf);
 108     g_object_unref(pixbuf);
 109
 110     GtkWidget *vbox = gtk_vbox_new(TRUE, 6);
 111     sLabel = gtk_label_new(strings.info);
 112     gtk_misc_set_alignment(GTK_MISC(sLabel), 0.0f, 0.0f);
 113     sProgressBar = gtk_progress_bar_new();
 114
 115     gtk_box_pack_start(GTK_BOX(vbox), sLabel, FALSE, FALSE, 0);
 116     gtk_box_pack_start(GTK_BOX(vbox), sProgressBar, TRUE, TRUE, 0);
 117
 118     sTimerID = g_timeout_add(TIMER_INTERVAL, UpdateDialog, nullptr);
 119
 120     gtk_container_set_border_width(GTK_CONTAINER(sWin), 10);
 121     gtk_container_add(GTK_CONTAINER(sWin), vbox);
 122     gtk_widget_show_all(sWin);
 123
 124     gtk_main();
 125     return 0;
 126 }
 127
 128 // Called on a background thread
 129 void
 130 QuitProgressUI()
 131 {
 132     sQuit = TRUE;
 133 }
 134
 135 // Called on a background thread
 136 void
 137 UpdateProgressUI(float progress)
 138 {
 139     sProgressVal = progress;  // 32-bit writes are atomic
 140 }
 141
 142 #ifdef __GNUC__
 143 #pragma GCC diagnostic pop
 144 #endif
 145
 146 #endif  // defined(UNIX) || defined(MACOSX)