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Issue 11345017: Create ash memory monitor (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Make tray linux specific Created 8 years, 1 month ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "ash/system/monitor/tray_monitor.h"
6
7 #include "ash/system/tray/tray_item_view.h"
8 #include "ash/system/tray/tray_views.h"
9 #include "base/process_util.h"
10 #include "base/stringprintf.h"
11 #include "base/utf_string_conversions.h"
12 #include "ui/base/text/bytes_formatting.h"
13 #include "ui/views/controls/label.h"
14 #include "ui/views/border.h"
15
16 namespace {
17 const int kRefreshTimeoutMs = 1000;
18 }
19
20 namespace ash {
21 namespace internal {
22
23 TrayMonitor::TrayMonitor() : label_(NULL) {
24 refresh_timer_.Start(FROM_HERE,
25 base::TimeDelta::FromMilliseconds(kRefreshTimeoutMs),
26 this, &TrayMonitor::RefreshStats);
27 }
28
29 TrayMonitor::~TrayMonitor() {
30 label_ = NULL;
31 }
32
33 views::View* TrayMonitor::CreateTrayView(user::LoginStatus status) {
34 TrayItemView* view = new TrayItemView;
35 view->CreateLabel();
36 label_ = view->label();
37 SetupLabelForTray(label_);
38 return view;
39 }
40
41 void TrayMonitor::DestroyTrayView() {
42 label_ = NULL;
43 }
44
45 void TrayMonitor::RefreshStats() {
46 base::SystemMemoryInfoKB mem_info;
47 base::GetSystemMemoryInfo(&mem_info);
48 std::string output;
49 string16 free_bytes =
50 ui::FormatBytes(static_cast<int64>(mem_info.free) * 1024);
51 output = StringPrintf("%s free", UTF16ToUTF8(free_bytes).c_str());
52 if (mem_info.gem_objects != -1 && mem_info.gem_size != -1) {
53 string16 gem_size = ui::FormatBytes(mem_info.gem_size);
54 output += StringPrintf(", %d gobjects alloced (%s)",
55 mem_info.gem_objects,
56 UTF16ToUTF8(gem_size).c_str());
57 }
58 label_->SetText(UTF8ToUTF16(output));
59 }
60
61 } // namespace internal
62 } // namespace ash
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