blob: 6b88ac5722914801fd1c64bd596b265d9c9fcabb [file] [log] [blame]
// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/memory/raw_ptr.h"
#include "remoting/protocol/cursor_shape_stub.h"
namespace remoting {
// Returns an empty cursor.
protocol::CursorShapeInfo EmptyCursorShape();
// Returns true of the supplied cursor is empty, i.e. width and/or height <= 0.
bool IsCursorShapeEmpty(const protocol::CursorShapeInfo& cursor_shape);
// Helper that checks whether a cursor has any visible pixels, and resizes
// it down to (0x0) if not.
// TODO(wez): Turn this into a general-purpose cropping filter that both
// client and host can use.
class EmptyCursorFilter : public protocol::CursorShapeStub {
explicit EmptyCursorFilter(protocol::CursorShapeStub* cursor_stub);
EmptyCursorFilter(const EmptyCursorFilter&) = delete;
EmptyCursorFilter& operator=(const EmptyCursorFilter&) = delete;
~EmptyCursorFilter() override;
// protocol::CursorShapeStub interface.
void SetCursorShape(const protocol::CursorShapeInfo& cursor_shape) override;
// Replaces the stub to which cursor shapes will be passed-on.
void set_cursor_stub(protocol::CursorShapeStub* cursor_stub) {
cursor_stub_ = cursor_stub;
raw_ptr<protocol::CursorShapeStub> cursor_stub_;
} // namespace remoting