Merge "Restore the density when it has been overridden" into tm-d1-dev am: be6fef3095
Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/18791014 Change-Id: Ie88b0db9abc05339c9c77aa87350bcd3acf963e2 Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
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@@ -19,6 +19,7 @@ package com.android.settings.display;
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import static com.android.settings.display.ScreenResolutionController.FHD_WIDTH;
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import static com.android.settings.display.ScreenResolutionController.QHD_WIDTH;
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import android.annotation.Nullable;
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import android.app.settings.SettingsEnums;
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import android.content.Context;
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import android.content.res.Resources;
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@@ -34,6 +35,7 @@ import androidx.preference.PreferenceScreen;
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import com.android.settings.R;
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import com.android.settings.search.BaseSearchIndexProvider;
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import com.android.settings.widget.RadioButtonPickerFragment;
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import com.android.settingslib.display.DisplayDensityUtils;
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import com.android.settingslib.search.SearchIndexable;
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import com.android.settingslib.widget.CandidateInfo;
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import com.android.settingslib.widget.FooterPreference;
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@@ -48,7 +50,6 @@ import java.util.Set;
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/** Preference fragment used for switch screen resolution */
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@SearchIndexable
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public class ScreenResolutionFragment extends RadioButtonPickerFragment {
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private static final String TAG = "ScreenResolution";
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private Resources mResources;
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@@ -60,6 +61,7 @@ public class ScreenResolutionFragment extends RadioButtonPickerFragment {
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private String[] mScreenResolutionSummaries;
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private IllustrationPreference mImagePreference;
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private DensityRestorer mDensityRestorer;
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@Override
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public void onAttach(Context context) {
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@@ -74,6 +76,7 @@ public class ScreenResolutionFragment extends RadioButtonPickerFragment {
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mResources.getStringArray(R.array.config_screen_resolution_summaries_strings);
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mResolutions = getAllSupportedResolution();
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mImagePreference = new IllustrationPreference(context);
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mDensityRestorer = new DensityRestorer(context);
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}
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@Override
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@@ -151,16 +154,21 @@ public class ScreenResolutionFragment extends RadioButtonPickerFragment {
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/** Using display manager to set the display mode. */
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@VisibleForTesting
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public void setDisplayMode(int width) {
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public void setDisplayMode(final int width) {
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if (width == getDisplayMode().getPhysicalWidth()) {
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return;
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}
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mDensityRestorer.startObserve();
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mDefaultDisplay.setUserPreferredDisplayMode(getPreferMode(width));
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}
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/** Get the key corresponding to the resolution. */
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@VisibleForTesting
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String getKeyForResolution(int width) {
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return width == FHD_WIDTH ? mScreenResolutionOptions[FHD_INDEX]
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: width == QHD_WIDTH ? mScreenResolutionOptions[QHD_INDEX]
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: null;
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return width == FHD_WIDTH
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? mScreenResolutionOptions[FHD_INDEX]
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: width == QHD_WIDTH ? mScreenResolutionOptions[QHD_INDEX] : null;
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}
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@Override
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@@ -171,7 +179,7 @@ public class ScreenResolutionFragment extends RadioButtonPickerFragment {
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}
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@Override
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protected boolean setDefaultKey(String key) {
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protected boolean setDefaultKey(final String key) {
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if (mScreenResolutionOptions[FHD_INDEX].equals(key)) {
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setDisplayMode(FHD_WIDTH);
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@@ -236,10 +244,6 @@ public class ScreenResolutionFragment extends RadioButtonPickerFragment {
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public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
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new BaseSearchIndexProvider(R.xml.screen_resolution_settings) {
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boolean mIsFHDSupport = false;
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boolean mIsQHDSupport = false;
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@Override
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protected boolean isPageSearchEnabled(Context context) {
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ScreenResolutionController mController =
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@@ -247,4 +251,76 @@ public class ScreenResolutionFragment extends RadioButtonPickerFragment {
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return mController.checkSupportedResolutions();
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}
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};
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private static final class DensityRestorer implements DisplayManager.DisplayListener {
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private final @Nullable Context mContext;
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private int mDefaultDensity;
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private int mCurrentIndex;
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DensityRestorer(Context context) {
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mContext = context;
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}
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public void startObserve() {
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if (mContext == null) {
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return;
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}
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final DisplayDensityUtils density = new DisplayDensityUtils(mContext);
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final int currentIndex = density.getCurrentIndex();
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final int defaultDensity = density.getDefaultDensity();
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if (density.getValues()[mCurrentIndex] == density.getDefaultDensity()) {
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return;
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}
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mDefaultDensity = defaultDensity;
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mCurrentIndex = currentIndex;
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final DisplayManager dm = mContext.getSystemService(DisplayManager.class);
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dm.registerDisplayListener(this, null);
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}
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public void stopObserve() {
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if (mContext == null) {
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return;
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}
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final DisplayManager dm = mContext.getSystemService(DisplayManager.class);
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dm.unregisterDisplayListener(this);
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}
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@Override
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public void onDisplayAdded(int displayId) {}
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@Override
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public void onDisplayRemoved(int displayId) {}
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@Override
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public void onDisplayChanged(int displayId) {
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if (displayId != Display.DEFAULT_DISPLAY) {
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return;
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}
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restoreDensity();
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}
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private void restoreDensity() {
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if (mContext == null) {
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return;
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}
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final DisplayDensityUtils density = new DisplayDensityUtils(mContext);
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if (density.getDefaultDensity() == mDefaultDensity) {
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return;
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}
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if (density.getValues()[mCurrentIndex] != density.getDefaultDensity()) {
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DisplayDensityUtils.setForcedDisplayDensity(
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Display.DEFAULT_DISPLAY, density.getValues()[mCurrentIndex]);
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}
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mDefaultDensity = density.getDefaultDensity();
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stopObserve();
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}
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}
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}
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