yuzu-android/src/yuzu/loading_screen.h
Morph 99ceb03a1c general: Convert source file copyright comments over to SPDX
This formats all copyright comments according to SPDX formatting guidelines.
Additionally, this resolves the remaining GPLv2 only licensed files by relicensing them to GPLv2.0-or-later.
2022-04-23 05:55:32 -04:00

92 lines
2.8 KiB
C++

// SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <chrono>
#include <memory>
#include <QString>
#include <QWidget>
#if !QT_CONFIG(movie)
#define YUZU_QT_MOVIE_MISSING 1
#endif
namespace Loader {
class AppLoader;
}
namespace Ui {
class LoadingScreen;
}
namespace VideoCore {
enum class LoadCallbackStage;
}
class QBuffer;
class QByteArray;
class QGraphicsOpacityEffect;
class QMovie;
class QPropertyAnimation;
class LoadingScreen : public QWidget {
Q_OBJECT
public:
explicit LoadingScreen(QWidget* parent = nullptr);
~LoadingScreen();
/// Call before showing the loading screen to load the widgets with the logo and banner for the
/// currently loaded application.
void Prepare(Loader::AppLoader& loader);
/// After the loading screen is hidden, the owner of this class can call this to clean up any
/// used resources such as the logo and banner.
void Clear();
/// Slot used to update the status of the progress bar
void OnLoadProgress(VideoCore::LoadCallbackStage stage, std::size_t value, std::size_t total);
/// Hides the LoadingScreen with a fade out effect
void OnLoadComplete();
// In order to use a custom widget with a stylesheet, you need to override the paintEvent
// See https://wiki.qt.io/How_to_Change_the_Background_Color_of_QWidget
void paintEvent(QPaintEvent* event) override;
signals:
void LoadProgress(VideoCore::LoadCallbackStage stage, std::size_t value, std::size_t total);
/// Signals that this widget is completely hidden now and should be replaced with the other
/// widget
void Hidden();
private:
#ifndef YUZU_QT_MOVIE_MISSING
std::unique_ptr<QMovie> animation;
std::unique_ptr<QBuffer> backing_buf;
std::unique_ptr<QByteArray> backing_mem;
#endif
std::unique_ptr<Ui::LoadingScreen> ui;
std::size_t previous_total = 0;
VideoCore::LoadCallbackStage previous_stage;
QGraphicsOpacityEffect* opacity_effect = nullptr;
std::unique_ptr<QPropertyAnimation> fadeout_animation;
// Definitions for the differences in text and styling for each stage
std::unordered_map<VideoCore::LoadCallbackStage, const char*> progressbar_style;
std::unordered_map<VideoCore::LoadCallbackStage, QString> stage_translations;
// newly generated shaders are added to the end of the file, so when loading and compiling
// shaders, it will start quickly but end slow if new shaders were added since previous launch.
// These variables are used to detect the change in speed so we can generate an ETA
bool slow_shader_compile_start = false;
std::chrono::steady_clock::time_point slow_shader_start;
std::chrono::steady_clock::time_point previous_time;
std::size_t slow_shader_first_value = 0;
};
Q_DECLARE_METATYPE(VideoCore::LoadCallbackStage);