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Topology pane in extended displays list

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Show an empty topology pane in the extended displays list. Even show
when no external display is connected.

This will be tweaked in a follow-up CL to include the built-in display
in the pane and the displays list.

This fixes an issue where the displays list is not shown when *no*
external displays are connected, which was not the intent of the flag.
The previous flag CL ag/30358161 only respected the flag when 1 external
display was connected.

Based on mocks at go/al-mm-figma

Bug: b/352650922
Test: reboot with zero displays attached and verify display list and pane are shown
Test: on al-13 device, make the activity fullscreen and verify the margins on left and right of pane are larger
Flag: com.android.settings.flags.display_topology_pane_in_display_list
Change-Id: If39fefe943a26c817fa6f636f21eb8aaa080adde
This commit is contained in:
Matthew DeVore
2024-10-16 19:42:48 +00:00
parent cc267e6a30
commit 6f28e1a3c7
10 changed files with 180 additions and 11 deletions
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40
src/com/android/settings/connecteddevice/display/DisplayTopology.kt Normal file
View File

@@ -0,0 +1,40 @@
/*
* Copyright (C) 2024 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.settings.connecteddevice.display
import com.android.settings.R
import android.content.Context
import androidx.preference.Preference
const val PREFERENCE_KEY = "display_topology_preference"
/**
* DisplayTopologyPreference allows the user to change the display topology
* when there is one or more extended display attached.
*/
class DisplayTopologyPreference(context : Context) : Preference(context) {
init {
layoutResource = R.layout.display_topology_preference
// Prevent highlight when hovering with mouse.
isSelectable = false
key = PREFERENCE_KEY
}
}

31
src/com/android/settings/connecteddevice/display/ExternalDisplayPreferenceFragment.java
View File

@@ -97,6 +97,8 @@ public class ExternalDisplayPreferenceFragment extends SettingsPreferenceFragmen
@Nullable
private FooterPreference mFooterPreference;
@Nullable
private Preference mDisplayTopologyPreference;
@Nullable
private PreferenceCategory mDisplaysPreference;
@Nullable
private Injector mInjector;
@@ -279,6 +281,14 @@ public class ExternalDisplayPreferenceFragment extends SettingsPreferenceFragmen
return mDisplaysPreference;
}
@NonNull Preference getDisplayTopologyPreference(@NonNull Context context) {
if (mDisplayTopologyPreference == null) {
mDisplayTopologyPreference = new DisplayTopologyPreference(context);
mDisplayTopologyPreference.setPersistent(false);
}
return mDisplayTopologyPreference;
}
private void restoreState(@Nullable Bundle savedInstanceState) {
if (savedInstanceState == null) {
return;
@@ -296,20 +306,16 @@ public class ExternalDisplayPreferenceFragment extends SettingsPreferenceFragmen
updateScreenForDisplayId(getDisplayIdArg(), screen, mInjector.getContext());
}
private boolean okayToBypassDisplayListSelection() {
if (mInjector != null && forceShowDisplayList(mInjector.getFlags())) {
return false;
}
return !mPreviouslyShownListOfDisplays;
}
private void updateScreenForDisplayId(final int displayId,
@NonNull final PreferenceScreen screen, @NonNull Context context) {
final boolean forceShowList = displayId == INVALID_DISPLAY
&& mInjector != null && forceShowDisplayList(mInjector.getFlags());
final var displaysToShow = getDisplaysToShow(displayId);
if (displaysToShow.isEmpty() && displayId == INVALID_DISPLAY) {
if (!forceShowList && displaysToShow.isEmpty() && displayId == INVALID_DISPLAY) {
showTextWhenNoDisplaysToShow(screen, context);
} else if (displaysToShow.size() == 1
&& ((displayId == INVALID_DISPLAY && okayToBypassDisplayListSelection())
} else if (!forceShowList && displaysToShow.size() == 1
&& ((displayId == INVALID_DISPLAY && !mPreviouslyShownListOfDisplays)
|| displaysToShow.get(0).getDisplayId() == displayId)) {
showDisplaySettings(displaysToShow.get(0), screen, context);
} else if (displayId == INVALID_DISPLAY) {
@@ -367,6 +373,11 @@ public class ExternalDisplayPreferenceFragment extends SettingsPreferenceFragmen
private void showDisplaysList(@NonNull List<Display> displaysToShow,
@NonNull PreferenceScreen screen, @NonNull Context context) {
if (mInjector != null
&& mInjector.getFlags().displayTopologyPaneInDisplayList()) {
screen.addPreference(getDisplayTopologyPreference(context));
}
var pref = getDisplaysListPreference(context);
pref.setKey(DISPLAYS_LIST_PREFERENCE_KEY);
pref.removeAll();