From 8a146469c0639ff402e77da8843072ce1f2bce0c Mon Sep 17 00:00:00 2001
From: Liam <byteslice@airmail.cc>
Date: Wed, 3 Jan 2024 01:16:27 -0500
Subject: am: return AppletDataBroker and use for frontend applets

---
 src/core/hle/service/am/applet_data_broker.cpp | 67 ++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 src/core/hle/service/am/applet_data_broker.cpp

(limited to 'src/core/hle/service/am/applet_data_broker.cpp')

diff --git a/src/core/hle/service/am/applet_data_broker.cpp b/src/core/hle/service/am/applet_data_broker.cpp
new file mode 100644
index 000000000..4d58c4db5
--- /dev/null
+++ b/src/core/hle/service/am/applet_data_broker.cpp
@@ -0,0 +1,67 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/scope_exit.h"
+
+#include "core/core.h"
+#include "core/hle/service/am/am_results.h"
+#include "core/hle/service/am/applet_data_broker.h"
+#include "core/hle/service/am/applet_manager.h"
+
+namespace Service::AM {
+
+AppletStorageChannel::AppletStorageChannel(KernelHelpers::ServiceContext& context)
+    : m_event(context) {}
+AppletStorageChannel::~AppletStorageChannel() = default;
+
+void AppletStorageChannel::Push(std::shared_ptr<IStorage> storage) {
+    std::scoped_lock lk{m_lock};
+
+    m_data.emplace_back(std::move(storage));
+    m_event.Signal();
+}
+
+Result AppletStorageChannel::Pop(std::shared_ptr<IStorage>* out_storage) {
+    std::scoped_lock lk{m_lock};
+
+    SCOPE_EXIT({
+        if (m_data.empty()) {
+            m_event.Clear();
+        }
+    });
+
+    R_UNLESS(!m_data.empty(), AM::ResultNoDataInChannel);
+
+    *out_storage = std::move(m_data.front());
+    m_data.pop_front();
+
+    R_SUCCEED();
+}
+
+Kernel::KReadableEvent* AppletStorageChannel::GetEvent() {
+    return m_event.GetHandle();
+}
+
+AppletDataBroker::AppletDataBroker(Core::System& system_)
+    : system(system_), context(system_, "AppletDataBroker"), in_data(context),
+      interactive_in_data(context), out_data(context), interactive_out_data(context),
+      state_changed_event(context), is_completed(false) {}
+
+AppletDataBroker::~AppletDataBroker() = default;
+
+void AppletDataBroker::SignalCompletion() {
+    {
+        std::scoped_lock lk{lock};
+
+        if (is_completed) {
+            return;
+        }
+
+        is_completed = true;
+        state_changed_event.Signal();
+    }
+
+    system.GetAppletManager().FocusStateChanged();
+}
+
+} // namespace Service::AM
-- 
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