extensions/common/permissions/manifest_permission.cc

   1 // Copyright 2013 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/common/permissions/manifest_permission.h"
   6
   7 #include "base/json/json_writer.h"
   8 #include "extensions/common/manifest_handler.h"
   9 #include "ipc/ipc_message.h"
  10 #include "ipc/ipc_message_utils.h"
  11
  12 namespace extensions {
  13
  14 ManifestPermission::ManifestPermission() {}
  15
  16 ManifestPermission::~ManifestPermission() { }
  17
  18 ManifestPermission* ManifestPermission::Clone() const {
  19   return Union(this);
  20 }
  21
  22 bool ManifestPermission::Contains(const ManifestPermission* rhs) const {
  23   return scoped_ptr<ManifestPermission>(Intersect(rhs))->Equal(rhs);
  24 }
  25
  26 bool ManifestPermission::Equal(const ManifestPermission* rhs) const {
  27   return ToValue()->Equals(rhs->ToValue().get());
  28 }
  29
  30 void ManifestPermission::Write(IPC::Message* m) const {
  31   base::ListValue singleton;
  32   base::Value* value = ToValue().release();
  33   singleton.Append(value);
  34   IPC::WriteParam(m, singleton);
  35 }
  36
  37 bool ManifestPermission::Read(const IPC::Message* m,
  38                               base::PickleIterator* iter) {
  39   base::ListValue singleton;
  40   if (!IPC::ReadParam(m, iter, &singleton))
  41     return false;
  42   if (singleton.GetSize() != 1)
  43     return false;
  44   base::Value* value = NULL;
  45   if (!singleton.Get(0, &value))
  46     return false;
  47   return FromValue(value);
  48 }
  49
  50 void ManifestPermission::Log(std::string* log) const {
  51   base::JSONWriter::WriteWithOptions(
  52       *ToValue(), base::JSONWriter::OPTIONS_PRETTY_PRINT, log);
  53 }
  54
  55 }  // namespace extensions