1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/390223051): Remove C-library calls to fix the errors.
#pragma allow_unsafe_libc_calls
#endif
#include "ppapi/cpp/dev/file_chooser_dev.h"
#include <stddef.h>
#include <string.h>
#include "ppapi/c/dev/ppb_file_chooser_dev.h"
#include "ppapi/c/pp_errors.h"
#include "ppapi/cpp/completion_callback.h"
#include "ppapi/cpp/file_ref.h"
#include "ppapi/cpp/instance_handle.h"
#include "ppapi/cpp/module.h"
#include "ppapi/cpp/module_impl.h"
namespace pp {
namespace {
template <> const char* interface_name<PPB_FileChooser_Dev_0_5>() {
return PPB_FILECHOOSER_DEV_INTERFACE_0_5;
}
template <> const char* interface_name<PPB_FileChooser_Dev_0_6>() {
return PPB_FILECHOOSER_DEV_INTERFACE_0_6;
}
} // namespace
FileChooser_Dev::FileChooser_Dev(const InstanceHandle& instance,
PP_FileChooserMode_Dev mode,
const Var& accept_types) {
if (has_interface<PPB_FileChooser_Dev_0_6>()) {
PassRefFromConstructor(get_interface<PPB_FileChooser_Dev_0_6>()->Create(
instance.pp_instance(), mode, accept_types.pp_var()));
} else if (has_interface<PPB_FileChooser_Dev_0_5>()) {
PassRefFromConstructor(get_interface<PPB_FileChooser_Dev_0_5>()->Create(
instance.pp_instance(), mode, accept_types.pp_var()));
}
}
FileChooser_Dev::FileChooser_Dev(const FileChooser_Dev& other)
: Resource(other) {}
FileChooser_Dev& FileChooser_Dev::operator=(const FileChooser_Dev& other) {
Resource::operator=(other);
return *this;
}
int32_t FileChooser_Dev::Show(
const CompletionCallbackWithOutput< std::vector<FileRef> >& callback) {
if (has_interface<PPB_FileChooser_Dev_0_6>()) {
return get_interface<PPB_FileChooser_Dev_0_6>()->Show(
pp_resource(),
callback.output(),
callback.pp_completion_callback());
}
if (has_interface<PPB_FileChooser_Dev_0_5>()) {
// Data for our callback wrapper. The callback handler will delete it.
ChooseCallbackData0_5* data = new ChooseCallbackData0_5;
data->file_chooser = pp_resource();
data->output = callback.output();
data->original_callback = callback.pp_completion_callback();
return get_interface<PPB_FileChooser_Dev_0_5>()->Show(
pp_resource(), PP_MakeCompletionCallback(&CallbackConverter, data));
}
return callback.MayForce(PP_ERROR_NOINTERFACE);
}
// static
void FileChooser_Dev::CallbackConverter(void* user_data, int32_t result) {
ChooseCallbackData0_5* data = static_cast<ChooseCallbackData0_5*>(user_data);
// Get all of the selected file resources using the iterator API.
std::vector<PP_Resource> selected_files;
if (result == PP_OK) {
const PPB_FileChooser_Dev_0_5* chooser =
get_interface<PPB_FileChooser_Dev_0_5>();
while (PP_Resource cur = chooser->GetNextChosenFile(data->file_chooser))
selected_files.push_back(cur);
}
// Need to issue the "GetDataBuffer" even for error cases & when the
// number of items is 0.
void* output_buf = data->output.GetDataBuffer(
data->output.user_data,
static_cast<uint32_t>(selected_files.size()), sizeof(PP_Resource));
if (output_buf) {
if (!selected_files.empty()) {
memcpy(output_buf, &selected_files[0],
sizeof(PP_Resource) * selected_files.size());
}
} else {
// Error allocating, need to free the resource IDs.
for (size_t i = 0; i < selected_files.size(); i++)
Module::Get()->core()->ReleaseResource(selected_files[i]);
}
// Now execute the original callback.
PP_RunCompletionCallback(&data->original_callback, result);
delete data;
}
} // namespace pp
|
