chrome/browser/task_management/providers/task.cc

   1 // Copyright 2015 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 "chrome/browser/task_management/providers/task.h"
   6
   7 namespace task_management {
   8
   9 namespace {
  10
  11 // The last ID given to the previously created task.
  12 int64 g_last_id = 0;
  13
  14 }  // namespace
  15
  16
  17 Task::Task(const base::string16& title,
  18            const gfx::ImageSkia& icon,
  19            base::ProcessHandle handle)
  20     : task_id_(g_last_id++),
  21       network_usage_(-1),
  22       current_byte_count_(-1),
  23       title_(title),
  24       icon_(icon),
  25       process_handle_(handle) {
  26 }
  27
  28 Task::~Task() {
  29 }
  30
  31 void Task::Refresh(const base::TimeDelta& update_interval) {
  32   // TODO(afakhry): Add code here to skip this when network usage refresh has
  33   // never been requested.
  34
  35   if (current_byte_count_ == -1)
  36     return;
  37
  38   network_usage_ =
  39       (current_byte_count_ * base::TimeDelta::FromSeconds(1)) / update_interval;
  40
  41   // Reset the current byte count for this task.
  42   current_byte_count_ = 0;
  43 }
  44
  45 void Task::OnNetworkBytesRead(int64 bytes_read) {
  46   if (current_byte_count_ == -1)
  47     current_byte_count_ = 0;
  48
  49   current_byte_count_ += bytes_read;
  50 }
  51
  52 base::string16 Task::GetProfileName() const {
  53   return base::string16();
  54 }
  55
  56 int Task::GetRoutingID() const {
  57   return 0;
  58 }
  59
  60 bool Task::ReportsSqliteMemory() const {
  61   return GetSqliteMemoryUsed() != -1;
  62 }
  63
  64 int64 Task::GetSqliteMemoryUsed() const {
  65   return -1;
  66 }
  67
  68 bool Task::ReportsV8Memory() const {
  69   return GetV8MemoryAllocated() != -1;
  70 }
  71
  72 int64 Task::GetV8MemoryAllocated() const {
  73   return -1;
  74 }
  75
  76 int64 Task::GetV8MemoryUsed() const {
  77   return -1;
  78 }
  79
  80 bool Task::ReportsWebCacheStats() const {
  81   return false;
  82 }
  83
  84 blink::WebCache::ResourceTypeStats Task::GetWebCacheStats() const {
  85   return blink::WebCache::ResourceTypeStats();
  86 }
  87
  88 bool Task::ReportsNetworkUsage() const {
  89   return network_usage_ != -1;
  90 }
  91
  92 }  // namespace task_management