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/*
* Copyright (C) 2015 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 com.android.permissioncontroller.permission.ui;
import static java.lang.annotation.RetentionPolicy.SOURCE;
import android.graphics.drawable.Icon;
import android.os.Bundle;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import androidx.annotation.IntDef;
import java.lang.annotation.Retention;
import java.util.List;
/**
* Class for managing the presentation and user interaction of the "grant
* permissions" user interface.
*/
public interface GrantPermissionsViewHandler {
@Retention(SOURCE)
@IntDef({CANCELED, GRANTED_ALWAYS, GRANTED_FOREGROUND_ONLY, DENIED, DENIED_DO_NOT_ASK_AGAIN,
GRANTED_ONE_TIME})
@interface Result {}
int LINKED_TO_SETTINGS = -2;
int CANCELED = -1;
int GRANTED_ALWAYS = 0;
int GRANTED_FOREGROUND_ONLY = 1;
int DENIED = 2;
int DENIED_DO_NOT_ASK_AGAIN = 3;
int GRANTED_ONE_TIME = 4;
/**
* Listener interface for getting notified when the user responds to a
* permissions grant request.
*/
interface ResultListener {
void onPermissionGrantResult(String groupName, @Result int result);
void onPermissionGrantResult(String groupName, List<String> affectedForegroundPermissions,
@Result int result);
}
/**
* Creates and returns the view hierarchy that is managed by this view
* handler. This must be called before {@link #updateUi}.
*/
View createView();
/**
* Updates the layout attributes of the current window. This is an optional
* operation; implementations only need to do work in this method if they
* need to alter the default styles provided by the activity's theme.
*/
void updateWindowAttributes(WindowManager.LayoutParams outLayoutParams);
/**
* Updates the view hierarchy to reflect the specified state.
* <p>
* Note that this must be called at least once before showing the UI to
* the user to properly initialize the UI.
*
* @param groupName the name of the permission group
* @param groupCount the total number of groups that are being requested
* @param groupIndex the index of the current group being requested
* @param icon the icon representation of the current group
* @param message the message to display the user
* @param detailMessage another message to display to the user. This clarifies "message" in more
* detail
* @param buttonVisibilities visibilities for each button
* @param locationVisibilities visibilities for location options
*/
void updateUi(String groupName, int groupCount, int groupIndex, Icon icon,
CharSequence message, CharSequence detailMessage, boolean[] buttonVisibilities,
boolean[] locationVisibilities);
/**
* Sets the result listener that will be notified when the user responds
* to a permissions grant request.
*/
GrantPermissionsViewHandler setResultListener(ResultListener listener);
/**
* Called by {@link GrantPermissionsActivity} to save the state of this
* view handler to the specified bundle.
*/
void saveInstanceState(Bundle outState);
/**
* Called by {@link GrantPermissionsActivity} to load the state of this
* view handler from the specified bundle.
*/
void loadInstanceState(Bundle savedInstanceState);
/**
* Gives a chance for handling the back key.
*/
void onBackPressed();
/**
* Called by {@link GrantPermissionsActivity} to allow the handler to update
* the ui when blur is enabled/disabled.
*/
default void onBlurEnabledChanged(Window window, boolean enabled) {}
}
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