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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_OZONE_PLATFORM_WAYLAND_HOST_PROXY_WAYLAND_PROXY_H_
#define UI_OZONE_PLATFORM_WAYLAND_HOST_PROXY_WAYLAND_PROXY_H_
#include "base/component_export.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/platform_window/platform_window_init_properties.h"
struct wl_buffer;
struct wl_registry;
struct wl_surface;
namespace gfx {
class Size;
} // namespace gfx
namespace ui {
class WaylandWindow;
}
namespace wl {
// A proxy interface to Ozone/Wayland that is used by input emulation. The
// reason why this is needed is that input emulation mustn't be part of
// Chromium and only be used and compiled when there is a need to run tests.
// This nicely separates Ozone/Wayland from input emulation and provides just
// core functionality that input emulation needs from Ozone/Wayland.
class COMPONENT_EXPORT(WAYLAND_PROXY) WaylandProxy {
public:
class Delegate {
public:
// Invoked when a new window is created aka WaylandWindow is added to the
// list of windows stored by WaylandWindowManager.
virtual void OnWindowAdded(gfx::AcceleratedWidget widget) = 0;
// Invoked when an existing surface is removed aka WaylandWindow is removed
// from the list of windows stored by WaylandWindowManager.
virtual void OnWindowRemoved(gfx::AcceleratedWidget widget) = 0;
// Invoked when an existing surface is configured or it's no longer
// configured (wl_surface lost its role and is going to be reconfigured).
virtual void OnWindowConfigured(gfx::AcceleratedWidget widget,
bool is_configured) = 0;
// Invoked when an existing surface is assigned a role.
virtual void OnWindowRoleAssigned(gfx::AcceleratedWidget widget) = 0;
protected:
virtual ~Delegate() = default;
};
virtual ~WaylandProxy() = default;
static WaylandProxy* GetInstance();
// Sets the delegate that will be notified about the events described above
// for the Delegate class.
virtual void SetDelegate(Delegate* delegate) = 0;
virtual struct wl_registry* GetRegistry() = 0;
virtual void RoundTripQueue() = 0;
// Returns wl_surface that backs the |widget|.
virtual wl_surface* GetWlSurfaceForAcceleratedWidget(
gfx::AcceleratedWidget widget) = 0;
// Returns WaylandWindow backed by |widget|.
virtual ui::WaylandWindow* GetWaylandWindowForAcceleratedWidget(
gfx::AcceleratedWidget widget) = 0;
// Creates and returns a shm based wl_buffer with |buffer_size|. The shared
// memory is hold until DestroyShmForWlBuffer is called.
virtual wl_buffer* CreateShmBasedWlBuffer(const gfx::Size& buffer_size) = 0;
// When this is called, |buffer| becomes invalid and mustn't be used any more.
virtual void DestroyShmForWlBuffer(wl_buffer* buffer) = 0;
// Immediately flushes pending requests for testing.
virtual void FlushForTesting() = 0;
// Returns platform window type of a window backed by the |widget|.
virtual ui::PlatformWindowType GetWindowType(
gfx::AcceleratedWidget widget) = 0;
virtual bool WindowHasPointerFocus(gfx::AcceleratedWidget widget) = 0;
virtual bool WindowHasKeyboardFocus(gfx::AcceleratedWidget widget) = 0;
protected:
static void SetInstance(WaylandProxy* instance);
};
} // namespace wl
#endif // UI_OZONE_PLATFORM_WAYLAND_HOST_PROXY_WAYLAND_PROXY_H_
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