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// Copyright (c) 2010 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 "webkit/glue/plugins/pepper_file_chooser.h"
#include <string>
#include <vector>
#include "base/logging.h"
#include "ppapi/c/pp_completion_callback.h"
#include "ppapi/c/pp_errors.h"
#include "third_party/WebKit/WebKit/chromium/public/WebCString.h"
#include "third_party/WebKit/WebKit/chromium/public/WebFileChooserCompletion.h"
#include "third_party/WebKit/WebKit/chromium/public/WebFileChooserParams.h"
#include "third_party/WebKit/WebKit/chromium/public/WebString.h"
#include "third_party/WebKit/WebKit/chromium/public/WebVector.h"
#include "webkit/glue/plugins/pepper_common.h"
#include "webkit/glue/plugins/pepper_file_ref.h"
#include "webkit/glue/plugins/pepper_plugin_delegate.h"
#include "webkit/glue/plugins/pepper_plugin_instance.h"
#include "webkit/glue/plugins/pepper_resource_tracker.h"
#include "webkit/glue/webkit_glue.h"
using WebKit::WebCString;
using WebKit::WebFileChooserCompletion;
using WebKit::WebFileChooserParams;
using WebKit::WebString;
using WebKit::WebVector;
namespace pepper {
namespace {
PP_Resource Create(PP_Instance instance_id,
const PP_FileChooserOptions_Dev* options) {
PluginInstance* instance = ResourceTracker::Get()->GetInstance(instance_id);
if (!instance)
return 0;
FileChooser* chooser = new FileChooser(instance, options);
return chooser->GetReference();
}
PP_Bool IsFileChooser(PP_Resource resource) {
return BoolToPPBool(!!Resource::GetAs<FileChooser>(resource));
}
int32_t Show(PP_Resource chooser_id, PP_CompletionCallback callback) {
scoped_refptr<FileChooser> chooser(
Resource::GetAs<FileChooser>(chooser_id));
if (!chooser)
return PP_ERROR_BADRESOURCE;
return chooser->Show(callback);
}
PP_Resource GetNextChosenFile(PP_Resource chooser_id) {
scoped_refptr<FileChooser> chooser(
Resource::GetAs<FileChooser>(chooser_id));
if (!chooser)
return 0;
scoped_refptr<FileRef> file_ref(chooser->GetNextChosenFile());
if (!file_ref)
return 0;
return file_ref->GetReference();
}
const PPB_FileChooser_Dev ppb_filechooser = {
&Create,
&IsFileChooser,
&Show,
&GetNextChosenFile
};
class FileChooserCompletionImpl : public WebFileChooserCompletion {
public:
FileChooserCompletionImpl(pepper::FileChooser* file_chooser)
: file_chooser_(file_chooser) {
DCHECK(file_chooser_);
}
virtual ~FileChooserCompletionImpl() {}
virtual void didChooseFile(const WebVector<WebString>& file_names) {
std::vector<std::string> files;
for (size_t i = 0; i < file_names.size(); i++)
files.push_back(file_names[i].utf8().data());
file_chooser_->StoreChosenFiles(files);
}
private:
FileChooser* file_chooser_;
};
} // namespace
FileChooser::FileChooser(PluginInstance* instance,
const PP_FileChooserOptions_Dev* options)
: Resource(instance->module()),
delegate_(instance->delegate()),
mode_(options->mode),
accept_mime_types_(options->accept_mime_types),
completion_callback_() {
}
FileChooser::~FileChooser() {
}
// static
const PPB_FileChooser_Dev* FileChooser::GetInterface() {
return &ppb_filechooser;
}
void FileChooser::StoreChosenFiles(const std::vector<std::string>& files) {
next_chosen_file_index_ = 0;
std::vector<std::string>::const_iterator end_it = files.end();
for (std::vector<std::string>::const_iterator it = files.begin();
it != end_it; it++) {
chosen_files_.push_back(make_scoped_refptr(
new FileRef(module(), FilePath().AppendASCII(*it))));
}
if (!completion_callback_.func)
return;
PP_CompletionCallback callback = {0};
std::swap(callback, completion_callback_);
PP_RunCompletionCallback(&callback, 0);
}
int32_t FileChooser::Show(PP_CompletionCallback callback) {
DCHECK((mode_ == PP_FILECHOOSERMODE_OPEN) ||
(mode_ == PP_FILECHOOSERMODE_OPENMULTIPLE));
DCHECK(!completion_callback_.func);
completion_callback_ = callback;
WebFileChooserParams params;
params.multiSelect = (mode_ == PP_FILECHOOSERMODE_OPENMULTIPLE);
params.acceptTypes = WebString::fromUTF8(accept_mime_types_);
params.directory = false;
return delegate_->RunFileChooser(
params, new FileChooserCompletionImpl(this));
}
scoped_refptr<FileRef> FileChooser::GetNextChosenFile() {
if (next_chosen_file_index_ >= chosen_files_.size())
return NULL;
return chosen_files_[next_chosen_file_index_++];
}
} // namespace pepper
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