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Integrate modifier keys settings UI with APIs

Browse Source 
1. getModifierKeyRemapping
2. remapModifierKey
3. clearAllModifierKeyRemappings

Demo: go/modifier_keys_settings_demo

Bug: 244535460
Test: local test
Change-Id: I47bcd0b58637feb68c579112a991371490af0157
This commit is contained in:
danielwbhuang
2022-12-30 21:31:24 +08:00
parent 4525cfb462
commit aa1d9c4dba
5 changed files with 159 additions and 17 deletions
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99
src/com/android/settings/inputmethod/ModifierKeysPreferenceController.java
View File

@@ -17,6 +17,11 @@
package com.android.settings.inputmethod;
import android.content.Context;
import android.hardware.input.InputManager;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.style.ForegroundColorSpan;
import android.view.KeyEvent;
import androidx.fragment.app.DialogFragment;
import androidx.fragment.app.Fragment;
@@ -24,18 +29,50 @@ import androidx.fragment.app.FragmentManager;
import androidx.preference.Preference;
import androidx.preference.PreferenceScreen;
import com.android.settings.R;
import com.android.settings.core.BasePreferenceController;
import com.android.settingslib.Utils;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.Objects;
public class ModifierKeysPreferenceController extends BasePreferenceController {
private static String KEY_TAG = "modifier_keys_dialog_tag";
private static String KEY_RESTORE_PREFERENCE = "modifier_keys_restore";
private static final String KEY_PREFERENCE_CAPS_LOCK = "modifier_keys_caps_lock";
private static final String KEY_PREFERENCE_CTRL = "modifier_keys_ctrl";
private static final String KEY_PREFERENCE_META = "modifier_keys_meta";
private static final String KEY_PREFERENCE_ALT = "modifier_keys_alt";
private Fragment mParent;
private FragmentManager mFragmentManager;
private final InputManager mIm;
private final List<Integer> mRemappableKeys = new ArrayList<>(
Arrays.asList(
KeyEvent.KEYCODE_CTRL_LEFT, KeyEvent.KEYCODE_CTRL_RIGHT,
KeyEvent.KEYCODE_META_LEFT, KeyEvent.KEYCODE_META_RIGHT,
KeyEvent.KEYCODE_ALT_LEFT, KeyEvent.KEYCODE_ALT_RIGHT,
KeyEvent.KEYCODE_CAPS_LOCK));
private String[] mKeyNames = new String[] {
mContext.getString(R.string.modifier_keys_ctrl),
mContext.getString(R.string.modifier_keys_ctrl),
mContext.getString(R.string.modifier_keys_meta),
mContext.getString(R.string.modifier_keys_meta),
mContext.getString(R.string.modifier_keys_alt),
mContext.getString(R.string.modifier_keys_alt),
mContext.getString(R.string.modifier_keys_caps_lock)};
public ModifierKeysPreferenceController(Context context, String key) {
super(context, key);
mIm = context.getSystemService(InputManager.class);
Objects.requireNonNull(mIm, "InputManager service cannot be null");
}
public void setFragment(Fragment parent) {
@@ -45,12 +82,37 @@ public class ModifierKeysPreferenceController extends BasePreferenceController {
@Override
public void displayPreference(PreferenceScreen screen) {
super.displayPreference(screen);
// TODO: getModifierKeyRemapping()
// setTitle
// setSummary
if (mParent == null) {
return;
}
for (Map.Entry<Integer, Integer> entry : mIm.getModifierKeyRemapping().entrySet()) {
int fromKey = entry.getKey();
int toKey = entry.getValue();
int index = mRemappableKeys.indexOf(toKey);
if (isCtrl(fromKey) && mRemappableKeys.contains(toKey)) {
Preference preference = screen.findPreference(KEY_PREFERENCE_CTRL);
preference.setSummary(changeSummaryColor(mKeyNames[index]));
}
if (isMeta(fromKey) && mRemappableKeys.contains(toKey)) {
Preference preference = screen.findPreference(KEY_PREFERENCE_META);
preference.setSummary(changeSummaryColor(mKeyNames[index]));
}
if (isAlt(fromKey) && mRemappableKeys.contains(toKey)) {
Preference preference = screen.findPreference(KEY_PREFERENCE_ALT);
preference.setSummary(changeSummaryColor(mKeyNames[index]));
}
if (isCapLock(fromKey) && mRemappableKeys.contains(toKey)) {
Preference preference = screen.findPreference(KEY_PREFERENCE_CAPS_LOCK);
preference.setSummary(changeSummaryColor(mKeyNames[index]));
}
}
// The dialog screen depends on the previous selected key's fragment.
// In the rotation scenario, we should remove the previous dialog screen first.
clearPreviousDialog();
@@ -72,7 +134,7 @@ public class ModifierKeysPreferenceController extends BasePreferenceController {
private void showModifierKeysDialog(Preference preference) {
ModifierKeysPickerDialogFragment fragment =
new ModifierKeysPickerDialogFragment(preference);
new ModifierKeysPickerDialogFragment(preference, mIm);
fragment.setTargetFragment(mParent, 0);
fragment.show(mFragmentManager, KEY_TAG);
}
@@ -85,4 +147,33 @@ public class ModifierKeysPreferenceController extends BasePreferenceController {
preKeysDialogFragment.dismiss();
}
}
private Spannable changeSummaryColor(String summary) {
Spannable spannableSummary = new SpannableString(summary);
spannableSummary.setSpan(
new ForegroundColorSpan(getColorOfColorAccentPrimaryVariant()),
0, spannableSummary.length(), 0);
return spannableSummary;
}
private int getColorOfColorAccentPrimaryVariant() {
return Utils.getColorAttrDefaultColor(
mContext, com.android.internal.R.attr.colorAccentPrimaryVariant);
}
private static boolean isCtrl(int keyCode) {
return keyCode == KeyEvent.KEYCODE_CTRL_LEFT || keyCode == KeyEvent.KEYCODE_CTRL_RIGHT;
}
private static boolean isMeta(int keyCode) {
return keyCode == KeyEvent.KEYCODE_META_LEFT || keyCode == KeyEvent.KEYCODE_META_RIGHT;
}
private static boolean isAlt(int keyCode) {
return keyCode == KeyEvent.KEYCODE_ALT_LEFT || keyCode == KeyEvent.KEYCODE_ALT_RIGHT;
}
private static boolean isCapLock(int keyCode) {
return keyCode == KeyEvent.KEYCODE_CAPS_LOCK;
}
}