chrome/browser/extensions/api/idle/idle_api.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 "chrome/browser/extensions/api/idle/idle_api.h"
   6
   7 #include "base/bind.h"
   8 #include "base/callback.h"
   9 #include "chrome/browser/extensions/api/idle/idle_api_constants.h"
  10 #include "chrome/browser/extensions/api/idle/idle_manager.h"
  11 #include "chrome/browser/extensions/api/idle/idle_manager_factory.h"
  12
  13 namespace {
  14
  15 const int kMinThreshold = 15;  // In seconds.  Set >1 sec for security concerns.
  16 const int kMaxThreshold = 4*60*60;  // Four hours, in seconds. Not set
  17                                     // arbitrarily high for security concerns.
  18
  19 int ClampThreshold(int threshold) {
  20   if (threshold < kMinThreshold) {
  21     threshold = kMinThreshold;
  22   } else if (threshold > kMaxThreshold) {
  23     threshold = kMaxThreshold;
  24   }
  25
  26   return threshold;
  27 }
  28
  29 }  // namespace
  30
  31 namespace extensions {
  32
  33 bool IdleQueryStateFunction::RunAsync() {
  34   int threshold;
  35   EXTENSION_FUNCTION_VALIDATE(args_->GetInteger(0, &threshold));
  36   threshold = ClampThreshold(threshold);
  37
  38   IdleManagerFactory::GetForBrowserContext(context_)->QueryState(
  39       threshold, base::Bind(&IdleQueryStateFunction::IdleStateCallback, this));
  40
  41   // Don't send the response, it'll be sent by our callback
  42   return true;
  43 }
  44
  45 void IdleQueryStateFunction::IdleStateCallback(IdleState state) {
  46   SetResult(IdleManager::CreateIdleValue(state));
  47   SendResponse(true);
  48 }
  49
  50 bool IdleSetDetectionIntervalFunction::RunSync() {
  51   int threshold;
  52   EXTENSION_FUNCTION_VALIDATE(args_->GetInteger(0, &threshold));
  53   threshold = ClampThreshold(threshold);
  54
  55   IdleManagerFactory::GetForBrowserContext(context_)
  56       ->SetThreshold(extension_id(), threshold);
  57
  58   return true;
  59 }
  60
  61 }  // namespace extensions