Clementine-audio-player-Mac.../src/devices/wmdmloader.cpp

129 lines
3.7 KiB
C++

/* This file is part of Clementine.
Clementine is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Clementine is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
#include "devicelister.h"
#include "wmdmdevice.h"
#include "wmdmlister.h"
#include "wmdmloader.h"
#include "wmdmthread.h"
#include "core/taskmanager.h"
#include "library/librarybackend.h"
#include <boost/scoped_array.hpp>
#include <cwchar>
#include <mswmdm.h>
#include <QUuid>
WmdmLoader::WmdmLoader(TaskManager* task_manager, LibraryBackend* backend,
boost::shared_ptr<ConnectedDevice> device)
: QObject(NULL),
device_(device),
task_manager_(task_manager),
backend_(backend)
{
original_thread_ = thread();
}
WmdmLoader::~WmdmLoader() {
}
void WmdmLoader::LoadDatabase() {
int task_id = task_manager_->StartTask(tr("Loading Windows Media device"));
emit TaskStarted(task_id);
boost::scoped_ptr<WmdmThread> thread(new WmdmThread);
// Get the device's canonical name
boost::shared_ptr<WmdmDevice> connected_device =
boost::static_pointer_cast<WmdmDevice>(device_);
WmdmLister* lister = static_cast<WmdmLister*>(connected_device->lister());
QString canonical_name = lister->DeviceCanonicalName(connected_device->unique_id());
IWMDMStorage* storage = thread->GetRootStorage(canonical_name);
QStringList path_components;
RecursiveExploreStorage(storage, &path_components);
storage->Release();
thread.reset();
// Need to remove all the existing songs in the database first
backend_->DeleteSongs(backend_->FindSongsInDirectory(1));
// Add the songs we've just loaded
backend_->AddOrUpdateSongs(songs_);
task_manager_->SetTaskFinished(task_id);
emit LoadFinished();
}
void WmdmLoader::RecursiveExploreStorage(IWMDMStorage* parent, QStringList* path_components) {
IWMDMEnumStorage* child_it = NULL;
parent->EnumStorage(&child_it);
IWMDMStorage* child = NULL;
ULONG num_retreived = 0;
while (child_it->Next(1, &child, &num_retreived) == S_OK && num_retreived == 1) {
const int kMaxLen = 255;
wchar_t name[kMaxLen];
child->GetName(name, kMaxLen);
DWORD attributes = 0;
_WAVEFORMATEX audio_format;
child->GetAttributes(&attributes, &audio_format);
path_components->append(QString::fromWCharArray(name));
if (attributes & WMDM_FILE_ATTR_FILE) {
LoadFile(child, path_components);
} else if (attributes & WMDM_FILE_ATTR_FOLDER) {
RecursiveExploreStorage(child, path_components);
}
path_components->removeLast();
child->Release();
}
child_it->Release();
}
void WmdmLoader::LoadFile(IWMDMStorage* file, const QStringList* path_components) {
// Convert to a IWMDMStorage3 so we can get metadata
IWMDMStorage3* storage3 = NULL;
if (file->QueryInterface(IID_IWMDMStorage3, (void**) &storage3))
return;
// Get the metadata interface
IWMDMMetaData* metadata = NULL;
if (storage3->GetMetadata(&metadata)) {
storage3->Release();
return;
}
storage3->Release();
// Store the metadata in here
Song song;
song.InitFromWmdm(metadata);
song.set_directory_id(1);
song.set_filename(path_components->join("/"));
metadata->Release();
if (song.is_valid())
songs_ << song;
}