1 files changed, 51 insertions, 0 deletions
diff --git a/src/android/app/src/main/jni/emu_window/emu_window.h b/src/android/app/src/main/jni/emu_window/emu_window.h
new file mode 100644
index 000000000..4af51c517
--- /dev/null
+++ b/src/android/app/src/main/jni/emu_window/emu_window.h
@@ -0,0 +1,51 @@
+#pragma once
+
+#include "core/frontend/emu_window.h"
+#include "input_common/main.h"
+
+struct ANativeWindow;
+
+class SharedContext_Android : public Core::Frontend::GraphicsContext {
+public:
+    SharedContext_Android() = default;
+    ~SharedContext_Android() = default;
+    void MakeCurrent() override {}
+    void DoneCurrent() override {}
+};
+
+class EmuWindow_Android : public Core::Frontend::EmuWindow {
+public:
+    EmuWindow_Android(InputCommon::InputSubsystem* input_subsystem_, ANativeWindow* surface_);
+    ~EmuWindow_Android();
+
+    void OnSurfaceChanged(ANativeWindow* surface);
+    bool OnTouchEvent(float x, float y, bool pressed);
+    void OnTouchMoved(float x, float y);
+    void OnGamepadEvent(int button, bool pressed);
+    void OnGamepadMoveEvent(float x, float y);
+    void OnFrameDisplayed() override {}
+
+    std::unique_ptr<Core::Frontend::GraphicsContext> CreateSharedContext() const override {
+        return {std::make_unique<SharedContext_Android>()};
+    }
+    bool IsShown() const override {
+        return true;
+    };
+
+private:
+    float NormalizeX(float x) const {
+        return std::clamp(x / window_width, 0.f, 1.f);
+    }
+
+    float NormalizeY(float y) const {
+        return std::clamp(y / window_height, 0.f, 1.f);
+    }
+
+    InputCommon::InputSubsystem* input_subsystem{};
+
+    ANativeWindow* render_window{};
+    ANativeWindow* host_window{};
+
+    float window_width{};
+    float window_height{};
+};