This source file includes following definitions.
- ResetTempFileHandle
- ResetTempFileName
- WriteAsFile
- WriteBytes
- OpenTempFile
- CloseTempFile
- TempFileIsValid
#include "content/child/npapi/plugin_stream.h"
#include "base/logging.h"
#include "content/child/npapi/plugin_instance.h"
namespace content {
void PluginStream::ResetTempFileHandle() {
temp_file_handle_ = INVALID_HANDLE_VALUE;
}
void PluginStream::ResetTempFileName() {
temp_file_name_[0] = '\0';
}
void PluginStream::WriteAsFile() {
if (RequestedPluginModeIsAsFile())
instance_->NPP_StreamAsFile(&stream_, temp_file_name_);
}
size_t PluginStream::WriteBytes(const char *buf, size_t length) {
DWORD bytes;
if (!WriteFile(temp_file_handle_, buf, length, &bytes, 0))
return 0U;
return static_cast<size_t>(bytes);
}
bool PluginStream::OpenTempFile() {
DCHECK_EQ(INVALID_HANDLE_VALUE, temp_file_handle_);
char temp_directory[MAX_PATH];
if (GetTempPathA(MAX_PATH, temp_directory) == 0)
return false;
if (GetTempFileNameA(temp_directory, "npstream", 0, temp_file_name_) == 0)
return false;
temp_file_handle_ = CreateFileA(temp_file_name_,
FILE_ALL_ACCESS,
FILE_SHARE_READ,
0,
CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL,
0);
if (temp_file_handle_ == INVALID_HANDLE_VALUE) {
ResetTempFileName();
return false;
}
return true;
}
void PluginStream::CloseTempFile() {
if (!TempFileIsValid())
return;
CloseHandle(temp_file_handle_);
ResetTempFileHandle();
}
bool PluginStream::TempFileIsValid() const {
return temp_file_handle_ != INVALID_HANDLE_VALUE;
}
}