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// Copyright (c) 2006-2008 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/browser/renderer_host/media_resource_handler.h"
#include "base/process.h"
#include "chrome/common/render_messages.h"
#include "net/base/load_flags.h"
MediaResourceHandler::MediaResourceHandler(
ResourceHandler* resource_handler,
ResourceDispatcherHost::Receiver* receiver,
int render_process_host_id,
int routing_id,
base::ProcessHandle render_process,
ResourceDispatcherHost* resource_dispatcher_host)
: receiver_(receiver),
render_process_host_id_(render_process_host_id),
routing_id_(routing_id),
render_process_(render_process),
handler_(resource_handler),
rdh_(resource_dispatcher_host),
has_file_handle_(false),
position_(0),
size_(-1) {
}
bool MediaResourceHandler::OnUploadProgress(int request_id,
uint64 position,
uint64 size) {
return handler_->OnUploadProgress(request_id, position, size);
}
bool MediaResourceHandler::OnRequestRedirected(int request_id,
const GURL& new_url) {
return handler_->OnRequestRedirected(request_id, new_url);
}
bool MediaResourceHandler::OnResponseStarted(int request_id,
ResourceResponse* response) {
#if defined(OS_POSIX)
if (response->response_head.response_data_file.fd !=
base::kInvalidPlatformFileValue) {
// On POSIX, we will just set auto_close to true, and the IPC infrastructure
// will send this file handle through and close it automatically.
response->response_head.response_data_file.auto_close = true;
has_file_handle_ = true;
}
#elif defined(OS_WIN)
if (response->response_head.response_data_file !=
base::kInvalidPlatformFileValue) {
// On Windows, we duplicate the file handle for the renderer process and
// close the original manually.
base::PlatformFile foreign_handle;
if (DuplicateHandle(GetCurrentProcess(),
response->response_head.response_data_file,
render_process_,
&foreign_handle,
FILE_READ_DATA, // Only allow read access to data.
false, // Foreign handle is not inheritable.
// Close the file handle after duplication.
DUPLICATE_CLOSE_SOURCE)){
response->response_head.response_data_file = foreign_handle;
has_file_handle_ = true;
} else {
has_file_handle_ = false;
}
}
#endif
size_ = response->response_head.content_length;
return handler_->OnResponseStarted(request_id, response);
}
bool MediaResourceHandler::OnWillRead(int request_id,
net::IOBuffer** buf, int* buf_size,
int min_size) {
return handler_->OnWillRead(request_id, buf, buf_size, min_size);
}
bool MediaResourceHandler::OnReadCompleted(int request_id, int* bytes_read) {
if (has_file_handle_) {
// If we have received a file handle before we will be sending a progress
// update for download.
// TODO(hclam): rate limit this message so we won't be sending too much to
// the renderer process.
receiver_->Send(
new ViewMsg_Resource_DownloadProgress(routing_id_, request_id,
position_, size_));
position_ += *bytes_read;
}
return handler_->OnReadCompleted(request_id, bytes_read);
}
bool MediaResourceHandler::OnResponseCompleted(int request_id,
const URLRequestStatus& status, const std::string& security_info) {
return handler_->OnResponseCompleted(request_id, status, security_info);
}
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