Bug 737368, part 2: Implement a trivial update-application-progress UI for Gonk that shows ASCII bars in logcat. r=mwu

--HG--
rename : toolkit/mozapps/update/updater/progressui_null.cpp => toolkit/mozapps/update/updater/progressui_gonk.cpp

toolkit/mozapps/update/updater/Makefile.in

@@ -98,6 +98,12 @@ CMMSRCS += progressui_osx.mm launchchild_osx.mm
 OS_LIBS += -framework Cocoa
 endif
 
+ifeq (gonk,$(MOZ_WIDGET_TOOLKIT)) #{
+HAVE_PROGRESSUI = 1
+STL_FLAGS =
+CPPSRCS += progressui_gonk.cpp
+endif #}
+
 ifndef HAVE_PROGRESSUI
 CPPSRCS += progressui_null.cpp
 endif

toolkit/mozapps/update/updater/progressui_gonk.cpp

@@ -0,0 +1,53 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: sw=2 ts=8 et :
+ */
+/* 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 <assert.h>
+#include <stdio.h>
+
+#include <string>
+
+#include "android/log.h"
+
+#include "progressui.h"
+
+#define LOG(args...)  __android_log_print(ANDROID_LOG_INFO, "GeckoUpdater" , ## args)
+
+using namespace std;
+
+int InitProgressUI(int *argc, char ***argv)
+{
+  return 0;
+}
+
+int ShowProgressUI()
+{
+  LOG("Starting to apply update ...\n");
+  return 0;
+}
+
+void QuitProgressUI()
+{
+  LOG("Finished applying update\n");
+}
+
+void UpdateProgressUI(float progress)
+{
+  assert(0.0f <= progress && progress <= 100.0f);
+
+  static const size_t kProgressBarLength = 50;
+  static size_t sLastNumBars;
+  size_t numBars = size_t(float(kProgressBarLength) * progress / 100.0f);
+  if (numBars == sLastNumBars) {
+    return;
+  }
+  sLastNumBars = numBars;
+
+  size_t numSpaces = kProgressBarLength - numBars;
+  string bars(numBars, '=');
+  string spaces(numSpaces, ' ');
+  LOG("Progress [ %s%s ]\n", bars.c_str(), spaces.c_str());
+}