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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_EXO_DISPLAY_H_
#define COMPONENTS_EXO_DISPLAY_H_
#include <stddef.h>
#include <memory>
#include <string>
#include "base/macros.h"
#include "base/memory/shared_memory_handle.h"
#if defined(USE_OZONE)
#include "base/files/scoped_file.h"
#include "ui/gfx/buffer_types.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/native_pixmap_handle.h"
#endif
namespace gfx {
class Point;
}
namespace exo {
class DataDevice;
class DataDeviceDelegate;
class FileHelper;
class NotificationSurface;
class NotificationSurfaceManager;
class SharedMemory;
class ShellSurface;
class SubSurface;
class Surface;
#if defined(USE_OZONE)
class Buffer;
#endif
// The core display class. This class provides functions for creating surfaces
// and is in charge of combining the contents of multiple surfaces into one
// displayable output.
class Display {
public:
Display();
Display(NotificationSurfaceManager* notification_surface_manager,
std::unique_ptr<FileHelper> file_helper);
~Display();
// Creates a new surface.
std::unique_ptr<Surface> CreateSurface();
// Creates a shared memory segment from |handle| of |size| with the
// given |id|. This function takes ownership of |handle|.
std::unique_ptr<SharedMemory> CreateSharedMemory(
const base::SharedMemoryHandle& handle,
size_t size);
#if defined(USE_OZONE)
// Creates a buffer for a Linux DMA-buf file descriptor.
std::unique_ptr<Buffer> CreateLinuxDMABufBuffer(
const gfx::Size& size,
gfx::BufferFormat format,
const std::vector<gfx::NativePixmapPlane>& planes,
std::vector<base::ScopedFD>&& fds);
#endif
// Creates a shell surface for an existing surface.
std::unique_ptr<ShellSurface> CreateShellSurface(Surface* surface);
// Creates a popup shell surface for an existing surface at |position| and
// with |parent|. |position| is in |parent| surface local coordinates.
std::unique_ptr<ShellSurface> CreatePopupShellSurface(
Surface* surface,
ShellSurface* parent,
const gfx::Point& position);
// Creates a remote shell surface for an existing surface using |container|.
// The surface is scaled by 1 / |default_device_scale_factor|.
std::unique_ptr<ShellSurface> CreateRemoteShellSurface(
Surface* surface,
int container,
double default_device_scale_factor);
// Creates a sub-surface for an existing surface. The sub-surface will be
// a child of |parent|.
std::unique_ptr<SubSurface> CreateSubSurface(Surface* surface,
Surface* parent);
// Creates a notification surface for a surface and notification id.
std::unique_ptr<NotificationSurface> CreateNotificationSurface(
Surface* surface,
const std::string& notification_key);
// Creates a data device for a |delegate|.
std::unique_ptr<DataDevice> CreateDataDevice(DataDeviceDelegate* delegate);
private:
NotificationSurfaceManager* const notification_surface_manager_;
std::unique_ptr<FileHelper> file_helper_;
#if defined(USE_OZONE)
std::vector<gfx::BufferFormat> overlay_formats_;
#endif
DISALLOW_COPY_AND_ASSIGN(Display);
};
} // namespace exo
#endif // COMPONENTS_EXO_DISPLAY_H_
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