pcsx2/common/ProgressCallback.h

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/* PCSX2 - PS2 Emulator for PCs
* Copyright (C) 2002-2021 PCSX2 Dev Team
*
* PCSX2 is free software: you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* PCSX2 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 PCSX2.
* If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "Pcsx2Defs.h"
#include <string>
/**
* Progress callbacks, abstracts a blocking operation and allows it to report progress
* without having any dependency on the UI.
*/
class ProgressCallback
{
public:
enum class ProgressState
{
Normal,
Indeterminate,
Paused,
Error
};
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virtual ~ProgressCallback();
virtual void PushState() = 0;
virtual void PopState() = 0;
virtual bool IsCancelled() const = 0;
virtual bool IsCancellable() const = 0;
virtual void SetCancellable(bool cancellable) = 0;
virtual void SetTitle(const char* title) = 0;
virtual void SetStatusText(const char* text) = 0;
virtual void SetProgressRange(u32 range) = 0;
virtual void SetProgressValue(u32 value) = 0;
virtual void IncrementProgressValue() = 0;
virtual void SetProgressState(ProgressState state) = 0;
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void SetFormattedStatusText(const char* Format, ...);
virtual void DisplayError(const char* message) = 0;
virtual void DisplayWarning(const char* message) = 0;
virtual void DisplayInformation(const char* message) = 0;
virtual void DisplayDebugMessage(const char* message) = 0;
virtual void ModalError(const char* message) = 0;
virtual bool ModalConfirmation(const char* message) = 0;
virtual void ModalInformation(const char* message) = 0;
void DisplayFormattedError(const char* format, ...);
void DisplayFormattedWarning(const char* format, ...);
void DisplayFormattedInformation(const char* format, ...);
void DisplayFormattedDebugMessage(const char* format, ...);
void DisplayFormattedModalError(const char* format, ...);
bool DisplayFormattedModalConfirmation(const char* format, ...);
void DisplayFormattedModalInformation(const char* format, ...);
public:
static ProgressCallback* NullProgressCallback;
};
class BaseProgressCallback : public ProgressCallback
{
public:
BaseProgressCallback();
virtual ~BaseProgressCallback();
virtual void PushState() override;
virtual void PopState() override;
virtual bool IsCancelled() const override;
virtual bool IsCancellable() const override;
virtual void SetCancellable(bool cancellable) override;
virtual void SetStatusText(const char* text) override;
virtual void SetProgressRange(u32 range) override;
virtual void SetProgressValue(u32 value) override;
virtual void IncrementProgressValue() override;
virtual void SetProgressState(ProgressState state) override;
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protected:
struct State
{
State* next_saved_state;
std::string status_text;
u32 progress_range;
u32 progress_value;
u32 base_progress_value;
bool cancellable;
};
bool m_cancellable = false;
bool m_cancelled = false;
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std::string m_status_text;
u32 m_progress_range = 1;
u32 m_progress_value = 0;
ProgressState m_progress_state = ProgressState::Normal;
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u32 m_base_progress_value = 0;
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State* m_saved_state = nullptr;
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};