1 /*
2  * Copyright (C) 2024 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.server.display.brightness;
18 
19 import android.hardware.display.DisplayManagerInternal;
20 
21 import java.util.Objects;
22 
23 /**
24  * A wrapper class to encapsulate the request to select a strategy from
25  * DisplayBrightnessStrategySelector
26  */
27 public final class StrategySelectionRequest {
28     // The request to change the associated display's state and brightness
29     private DisplayManagerInternal.DisplayPowerRequest mDisplayPowerRequest;
30 
31     // The display state to which the screen is switching to
32     private int mTargetDisplayState;
33 
34     // The last brightness that was set by the user and not temporary. Set to
35     // PowerManager.BRIGHTNESS_INVALID_FLOAT when a brightness has yet to be recorded.
36     private float mLastUserSetScreenBrightness;
37 
38     // Represents if the user set screen brightness was changed or not.
39     private boolean mUserSetBrightnessChanged;
40 
41     private DisplayManagerInternal.DisplayOffloadSession mDisplayOffloadSession;
42 
StrategySelectionRequest(DisplayManagerInternal.DisplayPowerRequest displayPowerRequest, int targetDisplayState, float lastUserSetScreenBrightness, boolean userSetBrightnessChanged, DisplayManagerInternal.DisplayOffloadSession displayOffloadSession)43     public StrategySelectionRequest(DisplayManagerInternal.DisplayPowerRequest displayPowerRequest,
44             int targetDisplayState, float lastUserSetScreenBrightness,
45             boolean userSetBrightnessChanged,
46             DisplayManagerInternal.DisplayOffloadSession displayOffloadSession) {
47         mDisplayPowerRequest = displayPowerRequest;
48         mTargetDisplayState = targetDisplayState;
49         mLastUserSetScreenBrightness = lastUserSetScreenBrightness;
50         mUserSetBrightnessChanged = userSetBrightnessChanged;
51         mDisplayOffloadSession = displayOffloadSession;
52     }
53 
getDisplayPowerRequest()54     public DisplayManagerInternal.DisplayPowerRequest getDisplayPowerRequest() {
55         return mDisplayPowerRequest;
56     }
57 
getTargetDisplayState()58     public int getTargetDisplayState() {
59         return mTargetDisplayState;
60     }
61 
62 
getLastUserSetScreenBrightness()63     public float getLastUserSetScreenBrightness() {
64         return mLastUserSetScreenBrightness;
65     }
66 
isUserSetBrightnessChanged()67     public boolean isUserSetBrightnessChanged() {
68         return mUserSetBrightnessChanged;
69     }
70 
getDisplayOffloadSession()71     public DisplayManagerInternal.DisplayOffloadSession getDisplayOffloadSession() {
72         return mDisplayOffloadSession;
73     }
74 
75     @Override
equals(Object obj)76     public boolean equals(Object obj) {
77         if (!(obj instanceof StrategySelectionRequest)) {
78             return false;
79         }
80         StrategySelectionRequest other = (StrategySelectionRequest) obj;
81         return Objects.equals(mDisplayPowerRequest, other.getDisplayPowerRequest())
82                 && mTargetDisplayState == other.getTargetDisplayState()
83                 && mLastUserSetScreenBrightness == other.getLastUserSetScreenBrightness()
84                 && mUserSetBrightnessChanged == other.isUserSetBrightnessChanged()
85                 && mDisplayOffloadSession.equals(other.getDisplayOffloadSession());
86     }
87 
88     @Override
hashCode()89     public int hashCode() {
90         return Objects.hash(mDisplayPowerRequest, mTargetDisplayState,
91                 mLastUserSetScreenBrightness, mUserSetBrightnessChanged, mDisplayOffloadSession);
92     }
93 }
94