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62 lines
2.4 KiB
C
62 lines
2.4 KiB
C
/*
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* Copyright 2024 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include "unobstructed_area_service.h"
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#include "applib/event_service_client.h"
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//! @internal
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typedef struct UnobstructedAreaState {
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EventServiceInfo event_info;
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UnobstructedAreaHandlers handlers;
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GRect area;
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void *context;
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bool is_subscribed;
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bool is_changing;
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} UnobstructedAreaState;
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//! @internal
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//! Initializes the unobstructed area state
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//! @param state Unobstructed area state belonging to the consuming task
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//! @param current_y The current obstruction y to initialize the unobstructed area with
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void unobstructed_area_service_init(UnobstructedAreaState *state, int16_t current_y);
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//! @internal
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//! Deinitializes the unobstructed area state
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//! @param state Unobstructed area state belonging to the consuming task
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void unobstructed_area_service_deinit(UnobstructedAreaState *state);
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//! @internal
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//! Returns the last unobstructed area
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//! @param state Unobstructed area state belonging to the consuming task
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//! @param area The GRect to write the unobstructed area to
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void unobstructed_area_service_get_area(UnobstructedAreaState *state, GRect *area);
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//! @internal
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//! Subscribe to be notified when the app's unobstructed area changes.
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//! @param state Unobstructed area state belonging to the consuming task
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//! @param handlers The handlers that should be called when the unobstructed area changes.
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//! @param context A user-provided context that will be passed to the callback handlers.
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void unobstructed_area_service_subscribe(UnobstructedAreaState *state,
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const UnobstructedAreaHandlers *handlers,
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void *context);
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//! @internal
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//! @param state Unobstructed area state belonging to the consuming task
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//! Unsubscribe from notifications about changes to the app's unobstructed area.
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void unobstructed_area_service_unsubscribe(UnobstructedAreaState *state);
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