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