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Merge "Restore the density when it has been overridden" into tm-d1-dev

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This commit is contained in:
Amy Hsu
2022-06-15 05:31:43 +00:00
committed by Android (Google) Code Review
parent 838099408b e190a8a5bb
commit be6fef3095
1 changed files with 86 additions and 10 deletions
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96
src/com/android/settings/display/ScreenResolutionFragment.java
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@@ -19,6 +19,7 @@ package com.android.settings.display;
import static com.android.settings.display.ScreenResolutionController.FHD_WIDTH;
import static com.android.settings.display.ScreenResolutionController.QHD_WIDTH;
import android.annotation.Nullable;
import android.app.settings.SettingsEnums;
import android.content.Context;
import android.content.res.Resources;
@@ -34,6 +35,7 @@ import androidx.preference.PreferenceScreen;
import com.android.settings.R;
import com.android.settings.search.BaseSearchIndexProvider;
import com.android.settings.widget.RadioButtonPickerFragment;
import com.android.settingslib.display.DisplayDensityUtils;
import com.android.settingslib.search.SearchIndexable;
import com.android.settingslib.widget.CandidateInfo;
import com.android.settingslib.widget.FooterPreference;
@@ -48,7 +50,6 @@ import java.util.Set;
/** Preference fragment used for switch screen resolution */
@SearchIndexable
public class ScreenResolutionFragment extends RadioButtonPickerFragment {
private static final String TAG = "ScreenResolution";
private Resources mResources;
@@ -60,6 +61,7 @@ public class ScreenResolutionFragment extends RadioButtonPickerFragment {
private String[] mScreenResolutionSummaries;
private IllustrationPreference mImagePreference;
private DensityRestorer mDensityRestorer;
@Override
public void onAttach(Context context) {
@@ -74,6 +76,7 @@ public class ScreenResolutionFragment extends RadioButtonPickerFragment {
mResources.getStringArray(R.array.config_screen_resolution_summaries_strings);
mResolutions = getAllSupportedResolution();
mImagePreference = new IllustrationPreference(context);
mDensityRestorer = new DensityRestorer(context);
}
@Override
@@ -151,16 +154,21 @@ public class ScreenResolutionFragment extends RadioButtonPickerFragment {
/** Using display manager to set the display mode. */
@VisibleForTesting
public void setDisplayMode(int width) {
public void setDisplayMode(final int width) {
if (width == getDisplayMode().getPhysicalWidth()) {
return;
}
mDensityRestorer.startObserve();
mDefaultDisplay.setUserPreferredDisplayMode(getPreferMode(width));
}
/** Get the key corresponding to the resolution. */
@VisibleForTesting
String getKeyForResolution(int width) {
return width == FHD_WIDTH ? mScreenResolutionOptions[FHD_INDEX]
: width == QHD_WIDTH ? mScreenResolutionOptions[QHD_INDEX]
: null;
return width == FHD_WIDTH
? mScreenResolutionOptions[FHD_INDEX]
: width == QHD_WIDTH ? mScreenResolutionOptions[QHD_INDEX] : null;
}
@Override
@@ -171,7 +179,7 @@ public class ScreenResolutionFragment extends RadioButtonPickerFragment {
}
@Override
protected boolean setDefaultKey(String key) {
protected boolean setDefaultKey(final String key) {
if (mScreenResolutionOptions[FHD_INDEX].equals(key)) {
setDisplayMode(FHD_WIDTH);
@@ -236,10 +244,6 @@ public class ScreenResolutionFragment extends RadioButtonPickerFragment {
public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
new BaseSearchIndexProvider(R.xml.screen_resolution_settings) {
boolean mIsFHDSupport = false;
boolean mIsQHDSupport = false;
@Override
protected boolean isPageSearchEnabled(Context context) {
ScreenResolutionController mController =
@@ -247,4 +251,76 @@ public class ScreenResolutionFragment extends RadioButtonPickerFragment {
return mController.checkSupportedResolutions();
}
};
private static final class DensityRestorer implements DisplayManager.DisplayListener {
private final @Nullable Context mContext;
private int mDefaultDensity;
private int mCurrentIndex;
DensityRestorer(Context context) {
mContext = context;
}
public void startObserve() {
if (mContext == null) {
return;
}
final DisplayDensityUtils density = new DisplayDensityUtils(mContext);
final int currentIndex = density.getCurrentIndex();
final int defaultDensity = density.getDefaultDensity();
if (density.getValues()[mCurrentIndex] == density.getDefaultDensity()) {
return;
}
mDefaultDensity = defaultDensity;
mCurrentIndex = currentIndex;
final DisplayManager dm = mContext.getSystemService(DisplayManager.class);
dm.registerDisplayListener(this, null);
}
public void stopObserve() {
if (mContext == null) {
return;
}
final DisplayManager dm = mContext.getSystemService(DisplayManager.class);
dm.unregisterDisplayListener(this);
}
@Override
public void onDisplayAdded(int displayId) {}
@Override
public void onDisplayRemoved(int displayId) {}
@Override
public void onDisplayChanged(int displayId) {
if (displayId != Display.DEFAULT_DISPLAY) {
return;
}
restoreDensity();
}
private void restoreDensity() {
if (mContext == null) {
return;
}
final DisplayDensityUtils density = new DisplayDensityUtils(mContext);
if (density.getDefaultDensity() == mDefaultDensity) {
return;
}
if (density.getValues()[mCurrentIndex] != density.getDefaultDensity()) {
DisplayDensityUtils.setForcedDisplayDensity(
Display.DEFAULT_DISPLAY, density.getValues()[mCurrentIndex]);
}
mDefaultDensity = density.getDefaultDensity();
stopObserve();
}
}
}