| /* |
| * Copyright 2020, The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #pragma once |
| |
| #include <device_layout.h> |
| #include <layouts/layout.h> |
| #include <stdint.h> |
| #include <optional> |
| |
| namespace devices { |
| |
| /** |
| * Get the count of displays on which the confirmational UI should be |
| * simultaneously rendered. Normally this is 1. |
| */ |
| int getDisplayCount(); |
| |
| /** Get the display context containing parameters needed to render a layout. |
| * This will be called for each active display (normally just once) to ge the |
| * context for rendering the layout. The context contains parameters such as |
| * screen dimensions, button placements and so on. |
| * |
| * The display_index will identify the active display(s) for devices that |
| * have more than one screen. |
| * |
| * @param display_index Index of the display for which the context is needed. |
| * @param magnified If true, provide parameters for a magnified display. |
| * @return Either a context, or std::nullop. |
| */ |
| std::optional<teeui::context<teeui::ConUIParameters>> getDisplayContext( |
| int display_index, |
| bool magnified); |
| |
| /** |
| * Get the layout for some display. |
| */ |
| std::optional<std::unique_ptr<teeui::layouts::ILayout>> getDisplayLayout( |
| int display_index, |
| bool inverted, |
| const teeui::context<teeui::ConUIParameters>& ctx); |
| |
| } // namespace devices |