Convert FileRefImpl and URLRequestInfo to shared_impl.

ppapi/shared_impl/url_request_info_impl.h

+// 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.
+
+#ifndef PPAPI_SHARED_IMPL_URL_REQUEST_INFO_IMPL_H_
+#define PPAPI_SHARED_IMPL_URL_REQUEST_INFO_IMPL_H_
+
+#include <string>
+#include <vector>
+
+#include "base/compiler_specific.h"
+#include "ppapi/thunk/ppb_url_request_info_api.h"
+#include "ppapi/shared_impl/resource.h"
+
+namespace ppapi {
+
+namespace thunk {
+class PPB_FileRef_API;
+}
+
+struct PPB_URLRequestInfo_Data {
+  struct BodyItem {
+    BodyItem();
+    explicit BodyItem(const std::string& data);
+    BodyItem(Resource* file_ref,
+             int64_t start_offset,
+             int64_t number_of_bytes,
+             PP_Time expected_last_modified_time);
+
+    // Set if the input is a file, false means the |data| is valid.
+    bool is_file;
+
+    std::string data;
+
+    // Is is_file is set, these variables are set. Note that the resoruce

[bbudge, 2011/08/23 20:35:59]

sp. resource

+    // may still be NULL in some cases, such as deserialization errors.
+    //
+    // This is a bit tricky. In the plugin side of the proxy, both the file
+    // ref and the file_ref_host_resource will be set and valid: the scoped_ptr
+    // ensures that the resource is alive for as long as the BodyItem is, and
+    // the host resource is for the serialization system to send it over the
+    // wire.

[bbudge, 2011/08/23 20:35:59]

I'm having a hard time understanding this comment.

[brettw, 2011/08/24 23:41:09]

I simplified this a bit.

+    //
+    // When we deserialize this in the renderer, the file_refs won't be valid
+    // until the host resources are converted to Resource pointers in the
+    // PPB_URLRequestInfo_Impl.
+    scoped_refptr<Resource> file_ref;
+    HostResource file_ref_host_resource;
+
+    int64_t start_offset;
+    int64_t number_of_bytes;
+    PP_Time expected_last_modified_time;
+
+    // If you add more stuff here, be sure to modify the serialization rules in
+    // ppapi_messages.h
+  };
+
+  PPB_URLRequestInfo_Data();
+  ~PPB_URLRequestInfo_Data();
+
+  std::string url;
+  std::string method;
+  std::string headers;
+
+  bool stream_to_file;
+  bool follow_redirects;
+  bool record_download_progress;
+  bool record_upload_progress;
+
+  // |has_custom_referrer_url| is set to false if a custom referrer hasn't been
+  // set (or has been set to an Undefined Var) and the default referrer should
+  // be used. (Setting the custom referrer to an empty string indicates that no
+  // referrer header should be generated.)
+  bool has_custom_referrer_url;
+  std::string custom_referrer_url;
+
+  bool allow_cross_origin_requests;
+  bool allow_credentials;
+
+  // Similar to the custom referrer (above), but for custom content transfer
+  // encoding.
+  bool has_custom_content_transfer_encoding;
+  std::string custom_content_transfer_encoding;
+
+  int32_t prefetch_buffer_upper_threshold;
+  int32_t prefetch_buffer_lower_threshold;
+
+  std::vector<BodyItem> body;
+
+  // If you add more stuff here, be sure to modify the serialization rules in
+  // ppapi_messages.h
+};
+
+class URLRequestInfoImpl : public ::ppapi::Resource,
+                           public ::ppapi::thunk::PPB_URLRequestInfo_API {
+ public:
+  // This constructor initializes the object as a proxy object with the given
+  // host resource.
+  URLRequestInfoImpl(const HostResource& host_resource,
+                     const PPB_URLRequestInfo_Data& data);
+
+  ~URLRequestInfoImpl();
+
+  // Resource overrides.
+  virtual thunk::PPB_URLRequestInfo_API* AsPPB_URLRequestInfo_API() OVERRIDE;
+
+  // PPB_URLRequestInfo_API implementation.
+  virtual PP_Bool SetProperty(PP_URLRequestProperty property,
+                              PP_Var var) OVERRIDE;
+  virtual PP_Bool AppendDataToBody(const void* data, uint32_t len) OVERRIDE;
+  virtual PP_Bool AppendFileToBody(
+      PP_Resource file_ref,
+      int64_t start_offset,
+      int64_t number_of_bytes,
+      PP_Time expected_last_modified_time) OVERRIDE;
+  virtual const PPB_URLRequestInfo_Data& GetData() const OVERRIDE;
+
+ protected:
+  // Constructor used by the webkit implementation.
+  URLRequestInfoImpl(PP_Instance instance,
+                     const PPB_URLRequestInfo_Data& data);
+
+  // Checks that the HTTP method is valid, returning the canonicalized version
+  // if so. Returns empty string if it's invalid.
+  static std::string ValidateMethod(const std::string& method);
+
+  bool SetUndefinedProperty(PP_URLRequestProperty property);
+  bool SetBooleanProperty(PP_URLRequestProperty property, bool value);
+  bool SetIntegerProperty(PP_URLRequestProperty property, int32_t value);
+  bool SetStringProperty(PP_URLRequestProperty property,
+                         const std::string& value);
+
+  const PPB_URLRequestInfo_Data& data() const { return data_; }
+  PPB_URLRequestInfo_Data& data() { return data_; }
+
+ private:
+  PPB_URLRequestInfo_Data data_;
+
+  DISALLOW_IMPLICIT_CONSTRUCTORS(URLRequestInfoImpl);
+};
+
+}  // namespace ppapi
+
+#endif  // PPAPI_SHARED_IMPL_URL_REQUEST_INFO_IMPL_H_