1 /*
2  * Copyright (C) 2012 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 android.hardware.display;
18 
19 import android.content.pm.ParceledListSlice;
20 import android.graphics.Point;
21 import android.hardware.display.BrightnessConfiguration;
22 import android.hardware.display.BrightnessInfo;
23 import android.hardware.display.Curve;
24 import android.hardware.display.IDisplayManagerCallback;
25 import android.hardware.display.IVirtualDisplayCallback;
26 import android.hardware.display.VirtualDisplayConfig;
27 import android.hardware.display.WifiDisplay;
28 import android.hardware.display.WifiDisplayStatus;
29 import android.media.projection.IMediaProjection;
30 import android.view.DisplayInfo;
31 import android.view.Surface;
32 
33 /** @hide */
34 interface IDisplayManager {
35     @UnsupportedAppUsage
getDisplayInfo(int displayId)36     DisplayInfo getDisplayInfo(int displayId);
getDisplayIds()37     int[] getDisplayIds();
38 
isUidPresentOnDisplay(int uid, int displayId)39     boolean isUidPresentOnDisplay(int uid, int displayId);
40 
registerCallback(in IDisplayManagerCallback callback)41     void registerCallback(in IDisplayManagerCallback callback);
registerCallbackWithEventMask(in IDisplayManagerCallback callback, long eventsMask)42     void registerCallbackWithEventMask(in IDisplayManagerCallback callback, long eventsMask);
43 
44     // Requires CONFIGURE_WIFI_DISPLAY permission.
45     // The process must have previously registered a callback.
startWifiDisplayScan()46     void startWifiDisplayScan();
47 
48     // Requires CONFIGURE_WIFI_DISPLAY permission.
stopWifiDisplayScan()49     void stopWifiDisplayScan();
50 
51     // Requires CONFIGURE_WIFI_DISPLAY permission.
connectWifiDisplay(String address)52     void connectWifiDisplay(String address);
53 
54     // No permissions required.
disconnectWifiDisplay()55     void disconnectWifiDisplay();
56 
57     // Requires CONFIGURE_WIFI_DISPLAY permission.
renameWifiDisplay(String address, String alias)58     void renameWifiDisplay(String address, String alias);
59 
60     // Requires CONFIGURE_WIFI_DISPLAY permission.
forgetWifiDisplay(String address)61     void forgetWifiDisplay(String address);
62 
63     // Requires CONFIGURE_WIFI_DISPLAY permission.
pauseWifiDisplay()64     void pauseWifiDisplay();
65 
66     // Requires CONFIGURE_WIFI_DISPLAY permission.
resumeWifiDisplay()67     void resumeWifiDisplay();
68 
69     // No permissions required.
getWifiDisplayStatus()70     WifiDisplayStatus getWifiDisplayStatus();
71 
72     // Requires WRITE_SECURE_SETTINGS permission.
setUserDisabledHdrTypes(in int[] userDisabledTypes)73     void setUserDisabledHdrTypes(in int[] userDisabledTypes);
74 
75     // Requires WRITE_SECURE_SETTINGS permission.
setAreUserDisabledHdrTypesAllowed(boolean areUserDisabledHdrTypesAllowed)76     void setAreUserDisabledHdrTypesAllowed(boolean areUserDisabledHdrTypesAllowed);
77 
78     // No permissions required.
areUserDisabledHdrTypesAllowed()79     boolean areUserDisabledHdrTypesAllowed();
80 
81     // No permissions required.
getUserDisabledHdrTypes()82     int[] getUserDisabledHdrTypes();
83 
84     // Requires CONFIGURE_DISPLAY_COLOR_MODE
requestColorMode(int displayId, int colorMode)85     void requestColorMode(int displayId, int colorMode);
86 
87     // Requires CAPTURE_VIDEO_OUTPUT, CAPTURE_SECURE_VIDEO_OUTPUT, or an appropriate
88     // MediaProjection token for certain combinations of flags.
createVirtualDisplay(in VirtualDisplayConfig virtualDisplayConfig, in IVirtualDisplayCallback callback, in IMediaProjection projectionToken, String packageName)89     int createVirtualDisplay(in VirtualDisplayConfig virtualDisplayConfig,
90             in IVirtualDisplayCallback callback, in IMediaProjection projectionToken,
91             String packageName);
92 
93     // No permissions required, but must be same Uid as the creator.
resizeVirtualDisplay(in IVirtualDisplayCallback token, int width, int height, int densityDpi)94     void resizeVirtualDisplay(in IVirtualDisplayCallback token,
95             int width, int height, int densityDpi);
96 
97     // No permissions required but must be same Uid as the creator.
setVirtualDisplaySurface(in IVirtualDisplayCallback token, in Surface surface)98     void setVirtualDisplaySurface(in IVirtualDisplayCallback token, in Surface surface);
99 
100     // No permissions required but must be same Uid as the creator.
releaseVirtualDisplay(in IVirtualDisplayCallback token)101     void releaseVirtualDisplay(in IVirtualDisplayCallback token);
102 
103     // No permissions required but must be same Uid as the creator.
setVirtualDisplayState(in IVirtualDisplayCallback token, boolean isOn)104     void setVirtualDisplayState(in IVirtualDisplayCallback token, boolean isOn);
105 
106     // Get a stable metric for the device's display size. No permissions required.
getStableDisplaySize()107     Point getStableDisplaySize();
108 
109     // Requires BRIGHTNESS_SLIDER_USAGE permission.
getBrightnessEvents(String callingPackage)110     ParceledListSlice getBrightnessEvents(String callingPackage);
111 
112     // Requires ACCESS_AMBIENT_LIGHT_STATS permission.
getAmbientBrightnessStats()113     ParceledListSlice getAmbientBrightnessStats();
114 
115     // Sets the global brightness configuration for a given user. Requires
116     // CONFIGURE_DISPLAY_BRIGHTNESS, and INTERACT_ACROSS_USER if the user being configured is not
117     // the same as the calling user.
setBrightnessConfigurationForUser(in BrightnessConfiguration c, int userId, String packageName)118     void setBrightnessConfigurationForUser(in BrightnessConfiguration c, int userId,
119             String packageName);
120 
121     // Sets the global brightness configuration for a given display. Requires
122     // CONFIGURE_DISPLAY_BRIGHTNESS.
setBrightnessConfigurationForDisplay(in BrightnessConfiguration c, String uniqueDisplayId, int userId, String packageName)123     void setBrightnessConfigurationForDisplay(in BrightnessConfiguration c, String uniqueDisplayId,
124             int userId, String packageName);
125 
126     // Gets the brightness configuration for a given display. Requires
127     // CONFIGURE_DISPLAY_BRIGHTNESS.
getBrightnessConfigurationForDisplay(String uniqueDisplayId, int userId)128     BrightnessConfiguration getBrightnessConfigurationForDisplay(String uniqueDisplayId,
129             int userId);
130 
131     // Gets the global brightness configuration for a given user. Requires
132     // CONFIGURE_DISPLAY_BRIGHTNESS, and INTERACT_ACROSS_USER if the user is not
133     // the same as the calling user.
getBrightnessConfigurationForUser(int userId)134     BrightnessConfiguration getBrightnessConfigurationForUser(int userId);
135 
136     // Gets the default brightness configuration if configured.
getDefaultBrightnessConfiguration()137     BrightnessConfiguration getDefaultBrightnessConfiguration();
138 
139     // Gets the last requested minimal post processing settings for display with displayId.
isMinimalPostProcessingRequested(int displayId)140     boolean isMinimalPostProcessingRequested(int displayId);
141 
142     // Temporarily sets the display brightness.
setTemporaryBrightness(int displayId, float brightness)143     void setTemporaryBrightness(int displayId, float brightness);
144 
145     // Saves the display brightness.
setBrightness(int displayId, float brightness)146     void setBrightness(int displayId, float brightness);
147 
148     // Retrieves the display brightness.
getBrightness(int displayId)149     float getBrightness(int displayId);
150 
151     // Temporarily sets the auto brightness adjustment factor.
setTemporaryAutoBrightnessAdjustment(float adjustment)152     void setTemporaryAutoBrightnessAdjustment(float adjustment);
153 
154     // Get the minimum brightness curve.
getMinimumBrightnessCurve()155     Curve getMinimumBrightnessCurve();
156 
157     // Get Brightness Information for the specified display.
getBrightnessInfo(int displayId)158     BrightnessInfo getBrightnessInfo(int displayId);
159 
160     // Gets the id of the preferred wide gamut color space for all displays.
161     // The wide gamut color space is returned from composition pipeline
162     // based on hardware capability.
getPreferredWideGamutColorSpaceId()163     int getPreferredWideGamutColorSpaceId();
164 
165     // When enabled the app requested display resolution and refresh rate is always selected
166     // in DisplayModeDirector regardless of user settings and policies for low brightness, low
167     // battery etc.
setShouldAlwaysRespectAppRequestedMode(boolean enabled)168     void setShouldAlwaysRespectAppRequestedMode(boolean enabled);
shouldAlwaysRespectAppRequestedMode()169     boolean shouldAlwaysRespectAppRequestedMode();
170 
171     // Sets the refresh rate switching type.
setRefreshRateSwitchingType(int newValue)172     void setRefreshRateSwitchingType(int newValue);
173 
174     // Returns the refresh rate switching type.
getRefreshRateSwitchingType()175     int getRefreshRateSwitchingType();
176 }
177