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

83 lines
2.2 KiB
C++

/* This file is part of Clementine.
Copyright 2010, David Sansome <me@davidsansome.com>
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 "wmdmprogress.h"
#include <QtDebug>
WmdmProgress::WmdmProgress(const MusicStorage::ProgressFunction& f)
: f_(f),
estimated_(0)
{
}
LONG WmdmProgress::QueryInterface(const IID& riid, void** object) {
*object = 0;
if (riid == IID_IUnknown)
*object = (IUnknown*) this;
else if (riid == IID_IWMDMProgress)
*object = (IWMDMProgress*) this;
else if (riid == IID_IWMDMProgress2)
*object = (IWMDMProgress2*) this;
else if (riid == IID_IWMDMProgress3)
*object = (IWMDMProgress3*) this;
else
return E_NOINTERFACE;
return S_OK;
}
ULONG WmdmProgress::AddRef() {
return 0;
}
ULONG WmdmProgress::Release() {
return 0;
}
HRESULT WmdmProgress::Begin(DWORD estimated_ticks) {
return Begin3(EVENT_WMDM_CONTENT_TRANSFER, estimated_ticks, NULL);
}
HRESULT WmdmProgress::End() {
return End3(EVENT_WMDM_CONTENT_TRANSFER, S_OK, NULL);
}
HRESULT WmdmProgress::Progress(DWORD transpired_ticks) {
return Progress3(EVENT_WMDM_CONTENT_TRANSFER, transpired_ticks, NULL);
}
HRESULT WmdmProgress::End2(HRESULT completion_code) {
return End3(EVENT_WMDM_CONTENT_TRANSFER, completion_code, NULL);
}
HRESULT WmdmProgress::Begin3(GUID, DWORD estimated_ticks, OPAQUECOMMAND*) {
estimated_ = estimated_ticks;
return S_OK;
}
HRESULT WmdmProgress::End3(GUID, HRESULT, OPAQUECOMMAND*) {
return S_OK;
}
HRESULT WmdmProgress::Progress3(GUID, DWORD transpired_ticks, OPAQUECOMMAND*) {
if (estimated_ != 0)
f_(float(transpired_ticks) / estimated_);
return S_OK;
}