src/ash/system/monitor/tray_monitor.cc

   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/gpu_support.h"
   8 #include "ash/shell.h"
   9 #include "ash/system/tray/tray_item_view.h"
  10 #include "base/process/memory.h"
  11 #include "base/process/process_metrics.h"
  12 #include "base/strings/stringprintf.h"
  13 #include "base/strings/utf_string_conversions.h"
  14 #include "ui/base/text/bytes_formatting.h"
  15 #include "ui/views/border.h"
  16 #include "ui/views/controls/label.h"
  17
  18 namespace {
  19 const int kRefreshTimeoutMs = 1000;
  20 }
  21
  22 namespace ash {
  23 namespace internal {
  24
  25 TrayMonitor::TrayMonitor(SystemTray* system_tray)
  26     : SystemTrayItem(system_tray),
  27       label_(NULL) {
  28   refresh_timer_.Start(FROM_HERE,
  29       base::TimeDelta::FromMilliseconds(kRefreshTimeoutMs),
  30       this, &TrayMonitor::OnTimer);
  31 }
  32
  33 TrayMonitor::~TrayMonitor() {
  34   label_ = NULL;
  35 }
  36
  37 views::View* TrayMonitor::CreateTrayView(user::LoginStatus status) {
  38   TrayItemView* view = new TrayItemView(this);
  39   view->CreateLabel();
  40   label_ = view->label();
  41   label_->SetAutoColorReadabilityEnabled(false);
  42   label_->SetEnabledColor(SK_ColorWHITE);
  43   label_->SetBackgroundColor(SkColorSetARGB(0, 255, 255, 255));
  44   label_->SetShadowColors(SkColorSetARGB(64, 0, 0, 0),
  45                           SkColorSetARGB(64, 0, 0, 0));
  46   label_->SetShadowOffset(0, 1);
  47   label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
  48   label_->SetFontList(label_->font_list().DeriveWithSizeDelta(-2));
  49   return view;
  50 }
  51
  52 void TrayMonitor::DestroyTrayView() {
  53   label_ = NULL;
  54 }
  55
  56 void TrayMonitor::OnTimer() {
  57   GPUSupport::GetGpuProcessHandlesCallback callback =
  58       base::Bind(&TrayMonitor::OnGotHandles, base::Unretained(this));
  59   refresh_timer_.Stop();
  60   Shell::GetInstance()->gpu_support()->GetGpuProcessHandles(callback);
  61 }
  62
  63 void TrayMonitor::OnGotHandles(const std::list<base::ProcessHandle>& handles) {
  64   base::SystemMemoryInfoKB mem_info;
  65   base::GetSystemMemoryInfo(&mem_info);
  66   std::string output;
  67   base::string16 free_bytes =
  68       ui::FormatBytes(static_cast<int64>(mem_info.free) * 1024);
  69   output = base::StringPrintf("free: %s",
  70                               base::UTF16ToUTF8(free_bytes).c_str());
  71 #if defined(OS_CHROMEOS)
  72   if (mem_info.gem_size != -1) {
  73     base::string16 gem_size = ui::FormatBytes(mem_info.gem_size);
  74     output += base::StringPrintf("  gmem: %s",
  75                                  base::UTF16ToUTF8(gem_size).c_str());
  76     if (mem_info.gem_objects != -1)
  77       output += base::StringPrintf("  gobjects: %d", mem_info.gem_objects);
  78   }
  79 #endif
  80   size_t total_private_bytes = 0, total_shared_bytes = 0;
  81   for (std::list<base::ProcessHandle>::const_iterator i = handles.begin();
  82        i != handles.end(); ++i) {
  83     base::ProcessMetrics* pm = base::ProcessMetrics::CreateProcessMetrics(*i);
  84     size_t private_bytes, shared_bytes;
  85     pm->GetMemoryBytes(&private_bytes, &shared_bytes);
  86     total_private_bytes += private_bytes;
  87     total_shared_bytes += shared_bytes;
  88     delete pm;
  89   }
  90   base::string16 private_size = ui::FormatBytes(total_private_bytes);
  91   base::string16 shared_size = ui::FormatBytes(total_shared_bytes);
  92
  93   output += base::StringPrintf("\nGPU private: %s  shared: %s",
  94                                base::UTF16ToUTF8(private_size).c_str(),
  95                                base::UTF16ToUTF8(shared_size).c_str());
  96   label_->SetText(base::UTF8ToUTF16(output));
  97   refresh_timer_.Start(FROM_HERE,
  98       base::TimeDelta::FromMilliseconds(kRefreshTimeoutMs),
  99       this, &TrayMonitor::OnTimer);
 100 }
 101
 102 }  // namespace internal
 103 }  // namespace ash