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// 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_PPB_URL_LOADER_PROXY_H_
#define PPAPI_PPB_URL_LOADER_PROXY_H_
#include "ppapi/c/pp_completion_callback.h"
#include "ppapi/c/pp_instance.h"
#include "ppapi/c/pp_module.h"
#include "ppapi/c/pp_resource.h"
#include "ppapi/c/pp_size.h"
#include "ppapi/c/pp_var.h"
#include "ppapi/cpp/completion_callback.h"
#include "ppapi/proxy/interface_proxy.h"
#include "ppapi/proxy/proxy_non_thread_safe_ref_count.h"
#include "ppapi/shared_impl/host_resource.h"
struct PPB_URLLoader;
struct PPB_URLLoaderTrusted;
namespace ppapi {
struct PPB_URLRequestInfo_Data;
namespace proxy {
struct PPBURLLoader_UpdateProgress_Params;
class PPB_URLLoader_Proxy : public InterfaceProxy {
public:
PPB_URLLoader_Proxy(Dispatcher* dispatcher);
virtual ~PPB_URLLoader_Proxy();
static const Info* GetTrustedInfo();
static PP_Resource CreateProxyResource(PP_Instance instance);
// URLLoader objects are normally allocated by the Create function, but
// they are also provided to PPP_Instance.OnMsgHandleDocumentLoad. This
// function allows the proxy for DocumentLoad to create the correct plugin
// proxied info for the given browser-supplied URLLoader resource ID.
static PP_Resource TrackPluginResource(
const ppapi::HostResource& url_loader_resource);
// InterfaceProxy implementation.
virtual bool OnMessageReceived(const IPC::Message& msg);
// URLLoader objects are sent from places other than just URLLoader.Create,
// in particular when doing a full-frame plugin. This function does the
// necessary setup in the host before the resource is sent. Call this any
// time you're sending a new URLLoader that the plugin hasn't seen yet.
void PrepareURLLoaderForSendingToPlugin(PP_Resource resource);
static const InterfaceID kInterfaceID = INTERFACE_ID_PPB_URL_LOADER;
private:
// Data associated with callbacks for ReadResponseBody.
struct ReadCallbackInfo;
// Plugin->renderer message handlers.
void OnMsgCreate(PP_Instance instance,
ppapi::HostResource* result);
void OnMsgOpen(const ppapi::HostResource& loader,
const PPB_URLRequestInfo_Data& data,
uint32_t serialized_callback);
void OnMsgFollowRedirect(const ppapi::HostResource& loader,
uint32_t serialized_callback);
void OnMsgGetResponseInfo(const ppapi::HostResource& loader,
ppapi::HostResource* result);
void OnMsgReadResponseBody(const ppapi::HostResource& loader,
int32_t bytes_to_read);
void OnMsgFinishStreamingToFile(const ppapi::HostResource& loader,
uint32_t serialized_callback);
void OnMsgClose(const ppapi::HostResource& loader);
void OnMsgGrantUniversalAccess(const ppapi::HostResource& loader);
// Renderer->plugin message handlers.
void OnMsgUpdateProgress(
const PPBURLLoader_UpdateProgress_Params& params);
void OnMsgReadResponseBodyAck(const ppapi::HostResource& pp_resource,
int32_t result,
const std::string& data);
// Handles callbacks for read complete messages. Takes ownership of the info
// pointer.
void OnReadCallback(int32_t result, ReadCallbackInfo* info);
pp::CompletionCallbackFactory<PPB_URLLoader_Proxy,
ProxyNonThreadSafeRefCount> callback_factory_;
// Valid only in the host, this lazily-initialized pointer indicates the
// URLLoaderTrusted interface.
const PPB_URLLoaderTrusted* host_urlloader_trusted_interface_;
};
} // namespace proxy
} // namespace ppapi
#endif // PPAPI_PPB_URL_LOADER_PROXY_H_
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