extensions/browser/api/hid/hid_api.h

   1 // Copyright 2014 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 #ifndef EXTENSIONS_BROWSER_API_HID_HID_API_H_
   6 #define EXTENSIONS_BROWSER_API_HID_HID_API_H_
   7
   8 #include <string>
   9
  10 #include "base/memory/ref_counted.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "extensions/browser/api/api_resource_manager.h"
  13 #include "extensions/browser/api/async_api_function.h"
  14 #include "extensions/browser/api/hid/hid_connection_resource.h"
  15 #include "extensions/browser/api/hid/hid_device_manager.h"
  16 #include "extensions/common/api/hid.h"
  17
  18 namespace device {
  19 class HidService;
  20 }  // namespace device
  21
  22 namespace net {
  23 class IOBuffer;
  24 }  // namespace net
  25
  26 namespace extensions {
  27
  28 class HidAsyncApiFunction : public AsyncApiFunction {
  29  public:
  30   HidAsyncApiFunction();
  31
  32   bool PrePrepare() override;
  33   bool Respond() override;
  34
  35  protected:
  36   ~HidAsyncApiFunction() override;
  37
  38   HidConnectionResource* GetHidConnectionResource(int api_resource_id);
  39   void RemoveHidConnectionResource(int api_resource_id);
  40
  41   void CompleteWithError(const std::string& error);
  42
  43   HidDeviceManager* device_manager_;
  44   ApiResourceManager<HidConnectionResource>* connection_manager_;
  45
  46  private:
  47   DISALLOW_COPY_AND_ASSIGN(HidAsyncApiFunction);
  48 };
  49
  50 class HidGetDevicesFunction : public HidAsyncApiFunction {
  51  public:
  52   DECLARE_EXTENSION_FUNCTION("hid.getDevices", HID_GETDEVICES);
  53
  54   HidGetDevicesFunction();
  55
  56  protected:
  57   bool Prepare() override;
  58   void AsyncWorkStart() override;
  59
  60   ~HidGetDevicesFunction() override;
  61
  62   scoped_ptr<core_api::hid::GetDevices::Params> parameters_;
  63
  64  private:
  65   DISALLOW_COPY_AND_ASSIGN(HidGetDevicesFunction);
  66 };
  67
  68 class HidConnectFunction : public HidAsyncApiFunction {
  69  public:
  70   DECLARE_EXTENSION_FUNCTION("hid.connect", HID_CONNECT);
  71
  72   HidConnectFunction();
  73
  74  protected:
  75   bool Prepare() override;
  76   void AsyncWorkStart() override;
  77
  78  private:
  79   ~HidConnectFunction() override;
  80
  81   void OnConnectComplete(scoped_refptr<device::HidConnection> connection);
  82
  83   scoped_ptr<core_api::hid::Connect::Params> parameters_;
  84
  85   DISALLOW_COPY_AND_ASSIGN(HidConnectFunction);
  86 };
  87
  88 class HidDisconnectFunction : public HidAsyncApiFunction {
  89  public:
  90   DECLARE_EXTENSION_FUNCTION("hid.disconnect", HID_DISCONNECT);
  91
  92   HidDisconnectFunction();
  93
  94  protected:
  95   bool Prepare() override;
  96   void AsyncWorkStart() override;
  97
  98  private:
  99   ~HidDisconnectFunction() override;
 100
 101   scoped_ptr<core_api::hid::Disconnect::Params> parameters_;
 102
 103   DISALLOW_COPY_AND_ASSIGN(HidDisconnectFunction);
 104 };
 105
 106 class HidReceiveFunction : public HidAsyncApiFunction {
 107  public:
 108   DECLARE_EXTENSION_FUNCTION("hid.receive", HID_RECEIVE);
 109
 110   HidReceiveFunction();
 111
 112  protected:
 113   bool Prepare() override;
 114   void AsyncWorkStart() override;
 115
 116  private:
 117   ~HidReceiveFunction() override;
 118
 119   void OnFinished(bool success,
 120                   scoped_refptr<net::IOBuffer> buffer,
 121                   size_t size);
 122
 123   scoped_ptr<core_api::hid::Receive::Params> parameters_;
 124
 125   DISALLOW_COPY_AND_ASSIGN(HidReceiveFunction);
 126 };
 127
 128 class HidSendFunction : public HidAsyncApiFunction {
 129  public:
 130   DECLARE_EXTENSION_FUNCTION("hid.send", HID_SEND);
 131
 132   HidSendFunction();
 133
 134  protected:
 135   bool Prepare() override;
 136   void AsyncWorkStart() override;
 137
 138  private:
 139   ~HidSendFunction() override;
 140
 141   void OnFinished(bool success);
 142
 143   scoped_ptr<core_api::hid::Send::Params> parameters_;
 144
 145   DISALLOW_COPY_AND_ASSIGN(HidSendFunction);
 146 };
 147
 148 class HidReceiveFeatureReportFunction : public HidAsyncApiFunction {
 149  public:
 150   DECLARE_EXTENSION_FUNCTION("hid.receiveFeatureReport",
 151                              HID_RECEIVEFEATUREREPORT);
 152
 153   HidReceiveFeatureReportFunction();
 154
 155  protected:
 156   bool Prepare() override;
 157   void AsyncWorkStart() override;
 158
 159  private:
 160   ~HidReceiveFeatureReportFunction() override;
 161
 162   void OnFinished(bool success,
 163                   scoped_refptr<net::IOBuffer> buffer,
 164                   size_t size);
 165
 166   scoped_ptr<core_api::hid::ReceiveFeatureReport::Params> parameters_;
 167
 168   DISALLOW_COPY_AND_ASSIGN(HidReceiveFeatureReportFunction);
 169 };
 170
 171 class HidSendFeatureReportFunction : public HidAsyncApiFunction {
 172  public:
 173   DECLARE_EXTENSION_FUNCTION("hid.sendFeatureReport", HID_SENDFEATUREREPORT);
 174
 175   HidSendFeatureReportFunction();
 176
 177  protected:
 178   bool Prepare() override;
 179   void AsyncWorkStart() override;
 180
 181  private:
 182   ~HidSendFeatureReportFunction() override;
 183
 184   void OnFinished(bool success);
 185
 186   scoped_ptr<core_api::hid::SendFeatureReport::Params> parameters_;
 187
 188   DISALLOW_COPY_AND_ASSIGN(HidSendFeatureReportFunction);
 189 };
 190
 191 }  // namespace extensions
 192
 193 #endif  // EXTENSIONS_BROWSER_API_HID_HID_API_H_