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// Copyright 2016 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
library fuchsia.ui.policy;
using fuchsia.ui.gfx;
using fuchsia.ui.views;
/// The Presenter service provides a way for applications to ask that a view be
/// added to a view tree, leaving any window management concerns up to the
/// discretion of the presenter implementation.
protocol Presenter {
/// Request that the View's contents be displayed on the screen as a
/// `Presentation`.
PresentView(fuchsia.ui.views.ViewHolderToken view_holder_token, request<Presentation>? presentation_request);
/// Sets new default renderer params and forces them on for the duration of the
/// presenter's lifetime. Only applies to any subsequent calls to Present().
/// Used for testing.
HACK_SetRendererParams(bool enable_clipping, vector<fuchsia.ui.gfx.RendererParam> params);