content/common/content_param_traits.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 "content/common/content_param_traits.h"
   6
   7 #include "base/strings/string_number_conversions.h"
   8 #include "net/base/ip_endpoint.h"
   9 #include "ui/base/range/range.h"
  10
  11 namespace {
  12
  13 int WebInputEventSizeForType(WebKit::WebInputEvent::Type type) {
  14   if (WebKit::WebInputEvent::isMouseEventType(type))
  15     return sizeof(WebKit::WebMouseEvent);
  16   if (type == WebKit::WebInputEvent::MouseWheel)
  17     return sizeof(WebKit::WebMouseWheelEvent);
  18   if (WebKit::WebInputEvent::isKeyboardEventType(type))
  19     return sizeof(WebKit::WebKeyboardEvent);
  20   if (WebKit::WebInputEvent::isTouchEventType(type))
  21     return sizeof(WebKit::WebTouchEvent);
  22   if (WebKit::WebInputEvent::isGestureEventType(type))
  23     return sizeof(WebKit::WebGestureEvent);
  24   NOTREACHED() << "Unknown webkit event type " << type;
  25   return 0;
  26 }
  27
  28 }  // namespace
  29
  30 namespace IPC {
  31
  32 void ParamTraits<net::IPEndPoint>::Write(Message* m, const param_type& p) {
  33   WriteParam(m, p.address());
  34   WriteParam(m, p.port());
  35 }
  36
  37 bool ParamTraits<net::IPEndPoint>::Read(const Message* m, PickleIterator* iter,
  38                                         param_type* p) {
  39   net::IPAddressNumber address;
  40   int port;
  41   if (!ReadParam(m, iter, &address) || !ReadParam(m, iter, &port))
  42     return false;
  43   *p = net::IPEndPoint(address, port);
  44   return true;
  45 }
  46
  47 void ParamTraits<net::IPEndPoint>::Log(const param_type& p, std::string* l) {
  48   LogParam("IPEndPoint:" + p.ToString(), l);
  49 }
  50
  51 void ParamTraits<ui::Range>::Write(Message* m, const ui::Range& r) {
  52   m->WriteUInt64(r.start());
  53   m->WriteUInt64(r.end());
  54 }
  55
  56 bool ParamTraits<ui::Range>::Read(const Message* m,
  57                                   PickleIterator* iter,
  58                                   ui::Range* r) {
  59   uint64 start, end;
  60   if (!m->ReadUInt64(iter, &start) || !m->ReadUInt64(iter, &end))
  61     return false;
  62   r->set_start(start);
  63   r->set_end(end);
  64   return true;
  65 }
  66
  67 void ParamTraits<ui::Range>::Log(const ui::Range& r, std::string* l) {
  68   l->append(base::StringPrintf("(%" PRIuS ", %" PRIuS ")", r.start(), r.end()));
  69 }
  70
  71 void ParamTraits<WebInputEventPointer>::Write(Message* m, const param_type& p) {
  72   m->WriteData(reinterpret_cast<const char*>(p), p->size);
  73 }
  74
  75 bool ParamTraits<WebInputEventPointer>::Read(const Message* m,
  76                                              PickleIterator* iter,
  77                                              param_type* r) {
  78   const char* data;
  79   int data_length;
  80   if (!m->ReadData(iter, &data, &data_length)) {
  81     NOTREACHED();
  82     return false;
  83   }
  84   if (data_length < static_cast<int>(sizeof(WebKit::WebInputEvent))) {
  85     NOTREACHED();
  86     return false;
  87   }
  88   param_type event = reinterpret_cast<param_type>(data);
  89   // Check that the data size matches that of the event.
  90   if (data_length != static_cast<int>(event->size)) {
  91     NOTREACHED();
  92     return false;
  93   }
  94   if (data_length != WebInputEventSizeForType(event->type)) {
  95     NOTREACHED();
  96     return false;
  97   }
  98   *r = event;
  99   return true;
 100 }
 101
 102 void ParamTraits<WebInputEventPointer>::Log(const param_type& p,
 103                                             std::string* l) {
 104   l->append("(");
 105   LogParam(p->size, l);
 106   l->append(", ");
 107   LogParam(p->type, l);
 108   l->append(", ");
 109   LogParam(p->timeStampSeconds, l);
 110   l->append(")");
 111 }
 112
 113 }  // namespace IPC
 114
 115 // Generate param traits write methods.
 116 #include "ipc/param_traits_write_macros.h"
 117 namespace IPC {
 118 #undef CONTENT_COMMON_CONTENT_PARAM_TRAITS_MACROS_H_
 119 #include "content/common/content_param_traits_macros.h"
 120 }  // namespace IPC
 121
 122 // Generate param traits read methods.
 123 #include "ipc/param_traits_read_macros.h"
 124 namespace IPC {
 125 #undef CONTENT_COMMON_CONTENT_PARAM_TRAITS_MACROS_H_
 126 #include "content/common/content_param_traits_macros.h"
 127 }  // namespace IPC
 128
 129 // Generate param traits log methods.
 130 #include "ipc/param_traits_log_macros.h"
 131 namespace IPC {
 132 #undef CONTENT_COMMON_CONTENT_PARAM_TRAITS_MACROS_H_
 133 #include "content/common/content_param_traits_macros.h"
 134 }  // namespace IPC