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Pull out PreferenceControllers from AccessibilitySettings

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- clean up the format of accessibility_settings
- To leverage the existing TtsPreferenceController and
FontSizePreferenceController
- pull out the logic of magnification from AccessibilitySettings

Bug: 135056871
Test: manual, robotest
Change-Id: I414fa7a04fd558d3a3a8b5e157469c198a772732
This commit is contained in:
Mill Chen
2019-06-17 21:19:37 +08:00
committed by Raff Tsai
parent dce601db84
commit d37618c8ed
4 changed files with 212 additions and 116 deletions
Download Patch File Download Diff File Expand all files Collapse all files

56
src/com/android/settings/accessibility/AccessibilitySettings.java
View File

@@ -59,6 +59,7 @@ import com.android.settings.R;
import com.android.settings.SettingsPreferenceFragment;
import com.android.settings.Utils;
import com.android.settings.display.DarkUIPreferenceController;
import com.android.settings.display.FontSizePreferenceController;
import com.android.settings.display.ToggleFontSizePreferenceFragment;
import com.android.settings.search.BaseSearchIndexProvider;
import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
@@ -241,6 +242,8 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
private LiveCaptionPreferenceController mLiveCaptionPreferenceController;
private LockScreenRotationPreferenceController mLockScreenRotationPreferenceController;
private FontSizePreferenceController mFontSizePreferenceController;
private MagnificationPreferenceController mMagnificationPreferenceController;
private int mLongPressTimeoutDefault;
@@ -489,10 +492,14 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
// Display magnification.
mDisplayMagnificationPreferenceScreen = findPreference(
DISPLAY_MAGNIFICATION_PREFERENCE_SCREEN);
configureMagnificationPreferenceIfNeeded(mDisplayMagnificationPreferenceScreen);
mMagnificationPreferenceController = new MagnificationPreferenceController(getContext(),
DISPLAY_MAGNIFICATION_PREFERENCE_SCREEN);
mMagnificationPreferenceController.displayPreference(getPreferenceScreen());
// Font size.
mFontSizePreferenceScreen = findPreference(FONT_SIZE_PREFERENCE_SCREEN);
mFontSizePreferenceController = new FontSizePreferenceController(getContext(),
FONT_SIZE_PREFERENCE_SCREEN);
// Autoclick after pointer stops.
mAutoclickPreferenceScreen = findPreference(AUTOCLICK_PREFERENCE_SCREEN);
@@ -770,9 +777,9 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
updateFeatureSummary(Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED,
mDisplayDaltonizerPreferenceScreen);
updateMagnificationSummary(mDisplayMagnificationPreferenceScreen);
mMagnificationPreferenceController.updateState(mDisplayMagnificationPreferenceScreen);
updateFontSizeSummary(mFontSizePreferenceScreen);
mFontSizePreferenceController.updateState(mFontSizePreferenceScreen);
updateAutoclickSummary(mAutoclickPreferenceScreen);
@@ -795,25 +802,6 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
pref.setSummary(timeoutSummarys[idx == -1 ? 0 : idx]);
}
private void updateMagnificationSummary(Preference pref) {
final boolean tripleTapEnabled = Settings.Secure.getInt(getContentResolver(),
Settings.Secure.ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED, 0) == 1;
final boolean buttonEnabled = Settings.Secure.getInt(getContentResolver(),
Settings.Secure.ACCESSIBILITY_DISPLAY_MAGNIFICATION_NAVBAR_ENABLED, 0) == 1;
int summaryResId = 0;
if (!tripleTapEnabled && !buttonEnabled) {
summaryResId = R.string.accessibility_feature_state_off;
} else if (!tripleTapEnabled && buttonEnabled) {
summaryResId = R.string.accessibility_screen_magnification_navbar_title;
} else if (tripleTapEnabled && !buttonEnabled) {
summaryResId = R.string.accessibility_screen_magnification_gestures_title;
} else {
summaryResId = R.string.accessibility_screen_magnification_state_navbar_gesture;
}
pref.setSummary(summaryResId);
}
private void updateFeatureSummary(String prefKey, Preference pref) {
final boolean enabled = Settings.Secure.getInt(getContentResolver(), prefKey, 0) == 1;
pref.setSummary(enabled ? R.string.accessibility_feature_state_on
@@ -834,17 +822,6 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
getResources(), delay));
}
private void updateFontSizeSummary(Preference pref) {
final float currentScale = Settings.System.getFloat(getContext().getContentResolver(),
Settings.System.FONT_SCALE, 1.0f);
final Resources res = getContext().getResources();
final String[] entries = res.getStringArray(R.array.entries_font_size);
final String[] strEntryValues = res.getStringArray(R.array.entryvalues_font_size);
final int index = ToggleFontSizePreferenceFragment.fontSizeValueToIndex(currentScale,
strEntryValues);
pref.setSummary(entries[index]);
}
@VisibleForTesting
void updateVibrationSummary(Preference pref) {
final Context context = getContext();
@@ -954,19 +931,6 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
}
}
private static void configureMagnificationPreferenceIfNeeded(Preference preference) {
// Some devices support only a single magnification mode. In these cases, we redirect to
// the magnification mode's UI directly, rather than showing a PreferenceScreen with a
// single list item.
final Context context = preference.getContext();
if (!MagnificationPreferenceFragment.isApplicable(context.getResources())) {
preference.setFragment(ToggleScreenMagnificationPreferenceFragment.class.getName());
final Bundle extras = preference.getExtras();
MagnificationGesturesPreferenceController
.populateMagnificationGesturesPreferenceExtras(extras, context);
}
}
public static final SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
new BaseSearchIndexProvider() {

80
src/com/android/settings/accessibility/MagnificationPreferenceController.java Normal file
View File

@@ -0,0 +1,80 @@
/*
* Copyright (C) 2019 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.accessibility;
import android.content.Context;
import android.os.Bundle;
import android.provider.Settings;
import androidx.preference.Preference;
import androidx.preference.PreferenceScreen;
import com.android.settings.R;
import com.android.settings.core.BasePreferenceController;
public class MagnificationPreferenceController extends BasePreferenceController {
private Preference mPreference;
public MagnificationPreferenceController(Context context, String preferenceKey) {
super(context, preferenceKey);
}
@Override
public int getAvailabilityStatus() {
return AVAILABLE;
}
@Override
public CharSequence getSummary() {
final boolean tripleTapEnabled = Settings.Secure.getInt(mContext.getContentResolver(),
Settings.Secure.ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED, 0) == 1;
final boolean buttonEnabled = Settings.Secure.getInt(mContext.getContentResolver(),
Settings.Secure.ACCESSIBILITY_DISPLAY_MAGNIFICATION_NAVBAR_ENABLED, 0) == 1;
int summaryResId = 0;
if (!tripleTapEnabled && !buttonEnabled) {
summaryResId = R.string.accessibility_feature_state_off;
} else if (!tripleTapEnabled && buttonEnabled) {
summaryResId = R.string.accessibility_screen_magnification_navbar_title;
} else if (tripleTapEnabled && !buttonEnabled) {
summaryResId = R.string.accessibility_screen_magnification_gestures_title;
} else {
summaryResId = R.string.accessibility_screen_magnification_state_navbar_gesture;
}
return mContext.getResources().getText(summaryResId);
}
@Override
public void displayPreference(PreferenceScreen screen) {
super.displayPreference(screen);
mPreference = screen.findPreference(getPreferenceKey());
configureMagnificationPreferenceIfNeeded();
}
private void configureMagnificationPreferenceIfNeeded() {
// Some devices support only a single magnification mode. In these cases, we redirect to
// the magnification mode's UI directly, rather than showing a PreferenceScreen with a
// single list item.
if (!MagnificationPreferenceFragment.isApplicable(mContext.getResources())) {
mPreference.setFragment(ToggleScreenMagnificationPreferenceFragment.class.getName());
final Bundle extras = mPreference.getExtras();
MagnificationGesturesPreferenceController
.populateMagnificationGesturesPreferenceExtras(extras, mContext);
}
}
}