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WindowServer: Port threading to LibThread

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This commit is contained in:
Sergey Bugaev 2019-08-25 19:28:09 +03:00 • committed by Andreas Kling
parent 1ac7fedefe
commit 8d59b10022
5 changed files with 43 additions and 53 deletions
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46
Servers/WindowServer/WSCompositor.cpp
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@ -7,6 +7,7 @@
#include <LibDraw/Font.h>
#include <LibDraw/PNGLoader.h>
#include <LibDraw/Painter.h>
#include <LibThread/BackgroundAction.h>
// #define COMPOSITOR_DEBUG
@ -265,43 +266,24 @@ void WSCompositor::invalidate(const Rect& a_rect)
bool WSCompositor::set_wallpaper(const String& path, Function<void(bool)>&& callback)
{
struct Context {
String path;
RefPtr<GraphicsBitmap> bitmap;
Function<void(bool)> callback;
};
auto context = make<Context>();
context->path = path;
context->callback = move(callback);
LibThread::BackgroundAction<RefPtr<GraphicsBitmap>>::create(
[path] {
return load_png(path);
},
int rc = create_thread([](void* ctx) -> int {
OwnPtr<Context> context((Context*)ctx);
context->bitmap = load_png(context->path);
if (!context->bitmap) {
context->callback(false);
exit_thread(0);
return 0;
}
the().deferred_invoke([context = move(context)](auto&) {
the().finish_setting_wallpaper(context->path, *context->bitmap);
context->callback(true);
[this, path, callback = move(callback)](RefPtr<GraphicsBitmap> bitmap) {
if (!bitmap) {
callback(false);
return;
}
m_wallpaper_path = path;
m_wallpaper = move(bitmap);
invalidate();
callback(true);
});
exit_thread(0);
return 0;
},
context.leak_ptr());
ASSERT(rc > 0);
return true;
}
void WSCompositor::finish_setting_wallpaper(const String& path, NonnullRefPtr<GraphicsBitmap>&& bitmap)
{
m_wallpaper_path = path;
m_wallpaper = move(bitmap);
invalidate();
}
void WSCompositor::flip_buffers()
{
ASSERT(m_screen_can_set_buffer);