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/*
* Copyright (C) 2019 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.
*/
package android.view.accessibility;
import android.graphics.PointF;
import android.graphics.Rect;
import android.view.accessibility.IWindowMagnificationConnectionCallback;
import android.view.accessibility.IRemoteMagnificationAnimationCallback;
/**
* Interface for interaction between {@link AccessibilityManagerService}
* and {@link WindowMagnification} in SystemUI.
*
* @hide
*/
oneway interface IWindowMagnificationConnection {
/**
* Enables window magnification on specified display with given center and scale and animation.
*
* @param displayId the logical display id.
* @param scale magnification scale.
* @param centerX the screen-relative X coordinate around which to center,
* or {@link Float#NaN} to leave unchanged.
* @param centerY the screen-relative Y coordinate around which to center,
* or {@link Float#NaN} to leave unchanged.
* @param magnificationFrameOffsetRatioX Indicate the X coordinate offset between
* frame position X and centerX
* @param magnificationFrameOffsetRatioY Indicate the Y coordinate offset between
* frame position Y and centerY
* @param callback The callback called when the animation is completed or interrupted.
*/
void enableWindowMagnification(int displayId, float scale, float centerX, float centerY,
float magnificationFrameOffsetRatioX, float magnificationFrameOffsetRatioY,
in IRemoteMagnificationAnimationCallback callback);
/**
* Sets the scale of the window magnifier on specified display.
*
* @param displayId the logical display id.
* @param scale magnification scale.
*/
void setScale(int displayId, float scale);
/**
* Disables window magnification on specified display with animation.
*
* @param displayId the logical display id.
* @param callback The callback called when the animation is completed or interrupted.
*/
void disableWindowMagnification(int displayId,
in IRemoteMagnificationAnimationCallback callback);
/**
* Moves the window magnifier on the specified display. It has no effect while animating.
*
* @param displayId the logical display id.
* @param offsetX the amount in pixels to offset the window magnifier in the X direction, in
* current screen pixels.
* @param offsetY the amount in pixels to offset the window magnifier in the Y direction, in
* current screen pixels.
*/
void moveWindowMagnifier(int displayId, float offsetX, float offsetY);
/**
* Moves the window magnifier on the given display.
*
* @param displayId the logical display id.
* @param positionX the x-axis position of the center of the magnified source bounds.
* @param positionY the y-axis position of the center of the magnified source bounds.
* @param callback the callback called when the animation is completed or interrupted.
*/
void moveWindowMagnifierToPosition(int displayId, float positionX, float positionY,
in IRemoteMagnificationAnimationCallback callback);
/**
* Requests System UI show magnification mode button UI on the specified display.
*
* @param displayId the logical display id.
* @param magnificationMode the current magnification mode.
*/
void showMagnificationButton(int displayId, int magnificationMode);
/**
* Requests System UI remove magnification mode button UI on the specified display.
*
* @param displayId the logical display id.
*/
void removeMagnificationButton(int displayId);
/**
* Sets {@link IWindowMagnificationConnectionCallback} to receive the request or the callback.
*
* @param callback the interface to be called.
*/
void setConnectionCallback(in IWindowMagnificationConnectionCallback callback);
}
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