
BUG=138542 TBR=bbudge@chromium.org NOPRESUBMIT=true Review URL: https://codereview.chromium.org/1548813002 Cr-Commit-Position: refs/heads/master@{#366718}
128 lines
3.9 KiB
C++
128 lines
3.9 KiB
C++
// Copyright (c) 2012 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 "ppapi/shared_impl/array_writer.h"
|
|
|
|
#include <stddef.h>
|
|
|
|
#include <algorithm>
|
|
|
|
#include "ppapi/shared_impl/ppapi_globals.h"
|
|
#include "ppapi/shared_impl/resource.h"
|
|
#include "ppapi/shared_impl/resource_tracker.h"
|
|
#include "ppapi/shared_impl/var.h"
|
|
#include "ppapi/shared_impl/var_tracker.h"
|
|
|
|
namespace ppapi {
|
|
|
|
ArrayWriter::ArrayWriter() { Reset(); }
|
|
|
|
ArrayWriter::ArrayWriter(const PP_ArrayOutput& output)
|
|
: pp_array_output_(output) {}
|
|
|
|
ArrayWriter::~ArrayWriter() {}
|
|
|
|
void ArrayWriter::Reset() {
|
|
pp_array_output_.GetDataBuffer = NULL;
|
|
pp_array_output_.user_data = NULL;
|
|
}
|
|
|
|
bool ArrayWriter::StoreResourceVector(
|
|
const std::vector<scoped_refptr<Resource> >& input) {
|
|
// Always call the alloc function, even on 0 array size.
|
|
void* dest =
|
|
pp_array_output_.GetDataBuffer(pp_array_output_.user_data,
|
|
static_cast<uint32_t>(input.size()),
|
|
sizeof(PP_Resource));
|
|
|
|
// Regardless of success, we clear the output to prevent future calls on
|
|
// this same output object.
|
|
Reset();
|
|
|
|
if (input.empty())
|
|
return true; // Allow plugin to return NULL on 0 elements.
|
|
if (!dest)
|
|
return false;
|
|
|
|
// Convert to PP_Resources.
|
|
PP_Resource* dest_resources = static_cast<PP_Resource*>(dest);
|
|
for (size_t i = 0; i < input.size(); i++)
|
|
dest_resources[i] = input[i]->GetReference();
|
|
return true;
|
|
}
|
|
|
|
bool ArrayWriter::StoreResourceVector(const std::vector<PP_Resource>& input) {
|
|
// Always call the alloc function, even on 0 array size.
|
|
void* dest =
|
|
pp_array_output_.GetDataBuffer(pp_array_output_.user_data,
|
|
static_cast<uint32_t>(input.size()),
|
|
sizeof(PP_Resource));
|
|
|
|
// Regardless of success, we clear the output to prevent future calls on
|
|
// this same output object.
|
|
Reset();
|
|
|
|
if (input.empty())
|
|
return true; // Allow plugin to return NULL on 0 elements.
|
|
if (!dest) {
|
|
// Free the resources.
|
|
for (size_t i = 0; i < input.size(); i++)
|
|
PpapiGlobals::Get()->GetResourceTracker()->ReleaseResource(input[i]);
|
|
return false;
|
|
}
|
|
|
|
std::copy(input.begin(), input.end(), static_cast<PP_Resource*>(dest));
|
|
return true;
|
|
}
|
|
|
|
bool ArrayWriter::StoreVarVector(
|
|
const std::vector<scoped_refptr<Var> >& input) {
|
|
// Always call the alloc function, even on 0 array size.
|
|
void* dest =
|
|
pp_array_output_.GetDataBuffer(pp_array_output_.user_data,
|
|
static_cast<uint32_t>(input.size()),
|
|
sizeof(PP_Var));
|
|
|
|
// Regardless of success, we clear the output to prevent future calls on
|
|
// this same output object.
|
|
Reset();
|
|
|
|
if (input.empty())
|
|
return true; // Allow plugin to return NULL on 0 elements.
|
|
if (!dest)
|
|
return false;
|
|
|
|
// Convert to PP_Vars.
|
|
PP_Var* dest_vars = static_cast<PP_Var*>(dest);
|
|
for (size_t i = 0; i < input.size(); i++)
|
|
dest_vars[i] = input[i]->GetPPVar();
|
|
return true;
|
|
}
|
|
|
|
bool ArrayWriter::StoreVarVector(const std::vector<PP_Var>& input) {
|
|
// Always call the alloc function, even on 0 array size.
|
|
void* dest =
|
|
pp_array_output_.GetDataBuffer(pp_array_output_.user_data,
|
|
static_cast<uint32_t>(input.size()),
|
|
sizeof(PP_Var));
|
|
|
|
// Regardless of success, we clear the output to prevent future calls on
|
|
// this same output object.
|
|
Reset();
|
|
|
|
if (input.empty())
|
|
return true; // Allow plugin to return NULL on 0 elements.
|
|
if (!dest) {
|
|
// Free the vars.
|
|
for (size_t i = 0; i < input.size(); i++)
|
|
PpapiGlobals::Get()->GetVarTracker()->ReleaseVar(input[i]);
|
|
return false;
|
|
}
|
|
|
|
std::copy(input.begin(), input.end(), static_cast<PP_Var*>(dest));
|
|
return true;
|
|
}
|
|
|
|
} // namespace ppapi
|