Uri Tauber
08461c08e7
## Summary * **What is the goal of this PR?** Small UX improvement to the Home screen by preserving the last selected cursor position when returning to it. It supersedes #985 and #1103, which are both significantly outdated and hundreds of commits behind master. --- ### AI Usage Did you use AI tools to help write this code? _**< YES >**_
64 lines
2.1 KiB
C++
64 lines
2.1 KiB
C++
#pragma once
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#include <Logging.h>
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#include <cassert>
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#include <memory>
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#include <string>
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#include <utility>
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#include "ActivityManager.h" // for using the ActivityManager singleton
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#include "ActivityResult.h"
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#include "GfxRenderer.h"
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#include "MappedInputManager.h"
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#include "RenderLock.h"
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#include "util/ScreenshotInfo.h"
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class Activity {
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friend class ActivityManager;
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protected:
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std::string name;
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GfxRenderer& renderer;
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MappedInputManager& mappedInput;
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ActivityResultHandler resultHandler;
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ActivityResult result;
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public:
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explicit Activity(std::string name, GfxRenderer& renderer, MappedInputManager& mappedInput)
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: name(std::move(name)), renderer(renderer), mappedInput(mappedInput) {}
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virtual ~Activity() = default;
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virtual void onEnter();
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virtual void onExit();
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virtual void loop() {}
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virtual void render(RenderLock&&) {}
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// If immediate is true, the update will be triggered immediately.
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// Otherwise, it will be deferred until the end of the current loop iteration.
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virtual void requestUpdate(bool immediate = false);
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// Request an immediate render and block until it completes.
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virtual void requestUpdateAndWait();
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virtual bool skipLoopDelay() { return false; }
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virtual bool preventAutoSleep() { return false; }
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virtual bool isReaderActivity() const { return false; }
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virtual ScreenshotInfo getScreenshotInfo() const { return {}; }
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// Start a new activity without destroying the current one
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// Note: requestUpdate() will be invoked automatically once resultHandler finishes
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void startActivityForResult(std::unique_ptr<Activity>&& activity, ActivityResultHandler resultHandler);
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// Set the result to be passed back to the previous activity when this activity finishes
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void setResult(ActivityResult&& result);
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// Finish this activity and return to the previous one on the stack (if any)
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void finish();
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// Convenience method to facilitate API transition to ActivityManager
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// TODO: remove this in near future
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void onGoHome(HomeMenuItem item = HomeMenuItem::NONE);
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void onSelectBook(const std::string& path);
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};
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