Move extension messages to their own file and add a RenderViewObserver to start moving the extens...

chrome/common/extensions/extension_messages.cc

+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/common/extensions/extension_messages.h"
+
+#include "chrome/common/extensions/extension_constants.h"
+#include "content/common/common_param_traits.h"
+
+ExtensionMsg_Loaded_Params::ExtensionMsg_Loaded_Params()
+    : location(Extension::INVALID) {
+}
+
+ExtensionMsg_Loaded_Params::~ExtensionMsg_Loaded_Params() {
+}
+
+ExtensionMsg_Loaded_Params::ExtensionMsg_Loaded_Params(
+    const ExtensionMsg_Loaded_Params& other)
+    : manifest(other.manifest->DeepCopy()),
+      location(other.location),
+      path(other.path),
+      id(other.id) {
+}
+
+ExtensionMsg_Loaded_Params::ExtensionMsg_Loaded_Params(
+    const Extension* extension)
+    : manifest(new DictionaryValue()),
+      location(extension->location()),
+      path(extension->path()),
+      id(extension->id()) {
+  // As we need more bits of extension data in the renderer, add more keys to
+  // this list.
+  const char* kRendererExtensionKeys[] = {
+    extension_manifest_keys::kPublicKey,
+    extension_manifest_keys::kName,
+    extension_manifest_keys::kVersion,
+    extension_manifest_keys::kIcons,
+    extension_manifest_keys::kPermissions,
+    extension_manifest_keys::kApp
+  };
+
+  // Copy only the data we need.
+  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kRendererExtensionKeys); ++i) {
+    Value* temp = NULL;
+    if (extension->manifest_value()->Get(kRendererExtensionKeys[i], &temp))
+      manifest->Set(kRendererExtensionKeys[i], temp->DeepCopy());
+  }
+}
+
+scoped_refptr<Extension>
+    ExtensionMsg_Loaded_Params::ConvertToExtension() const {
+  // Extensions that are loaded unpacked won't have a key.
+  const bool kRequireKey = false;
+
+  // The extension may have been loaded in a way that does not require
+  // strict error checks to pass.  Do not do strict checks here.
+  const bool kStrictErrorChecks = false;
+  std::string error;
+
+  scoped_refptr<Extension> extension(
+      Extension::Create(path, location, *manifest, kRequireKey,
+                        kStrictErrorChecks, &error));
+  if (!extension.get())
+    LOG(ERROR) << "Error deserializing extension: " << error;
+
+  return extension;
+}
+
+namespace IPC {
+
+template <>
+struct ParamTraits<Extension::Location> {
+  typedef Extension::Location param_type;
+  static void Write(Message* m, const param_type& p) {
+    int val = static_cast<int>(p);
+    WriteParam(m, val);
+  }
+  static bool Read(const Message* m, void** iter, param_type* p) {
+    int val = 0;
+    if (!ReadParam(m, iter, &val) ||
+        val < Extension::INVALID ||
+        val >= Extension::NUM_LOCATIONS)
+      return false;
+    *p = static_cast<param_type>(val);
+    return true;
+  }
+  static void Log(const param_type& p, std::string* l) {
+    ParamTraits<int>::Log(static_cast<int>(p), l);
+  }
+};
+
+void ParamTraits<URLPattern>::Write(Message* m, const param_type& p) {
+  WriteParam(m, p.valid_schemes());
+  WriteParam(m, p.GetAsString());
+}
+
+bool ParamTraits<URLPattern>::Read(const Message* m, void** iter,
+                                   param_type* p) {
+  int valid_schemes;
+  std::string spec;
+  if (!ReadParam(m, iter, &valid_schemes) ||
+      !ReadParam(m, iter, &spec))
+    return false;
+
+  p->set_valid_schemes(valid_schemes);
+  return URLPattern::PARSE_SUCCESS == p->Parse(spec, URLPattern::PARSE_LENIENT);
+}
+
+void ParamTraits<URLPattern>::Log(const param_type& p, std::string* l) {
+  LogParam(p.GetAsString(), l);
+}
+
+void ParamTraits<ExtensionExtent>::Write(Message* m, const param_type& p) {
+  WriteParam(m, p.patterns());
+}
+
+bool ParamTraits<ExtensionExtent>::Read(const Message* m, void** iter,
+                                        param_type* p) {
+  std::vector<URLPattern> patterns;
+  bool success =
+      ReadParam(m, iter, &patterns);
+  if (!success)
+    return false;
+
+  for (size_t i = 0; i < patterns.size(); ++i)
+    p->AddPattern(patterns[i]);
+  return true;
+}
+
+void ParamTraits<ExtensionExtent>::Log(const param_type& p, std::string* l) {
+  LogParam(p.patterns(), l);
+}
+
+void ParamTraits<ExtensionMsg_Loaded_Params>::Write(Message* m,
+                                                    const param_type& p) {
+  WriteParam(m, p.location);
+  WriteParam(m, p.path);
+  WriteParam(m, *(p.manifest));
+}
+
+bool ParamTraits<ExtensionMsg_Loaded_Params>::Read(const Message* m,
+                                                   void** iter,
+                                                   param_type* p) {
+  p->manifest.reset(new DictionaryValue());
+  return ReadParam(m, iter, &p->location) &&
+         ReadParam(m, iter, &p->path) &&
+         ReadParam(m, iter, p->manifest.get());
+}
+
+void ParamTraits<ExtensionMsg_Loaded_Params>::Log(const param_type& p,
+                                                  std::string* l) {
+  l->append(p.id);
+}
+
+}  // namespace IPC