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DO NOT MERGE Remove extra fragment in captioning preferences

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BUG: 11813771
Change-Id: Ied0b268aca93d7081cdcee1ea9db6347a762e3ac
This commit is contained in:
Alan Viverette
2014-03-07 14:06:07 -08:00
parent d83484dba0
commit af28facb6f
8 changed files with 123 additions and 174 deletions
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130
src/com/android/settings/accessibility/CaptionPropertiesFragment.java
View File

@@ -16,6 +16,8 @@
package com.android.settings.accessibility;
import android.app.ActionBar;
import android.app.Activity;
import android.content.ContentResolver;
import android.content.Context;
import android.content.res.Resources;
@@ -24,22 +26,34 @@ import android.os.Bundle;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.PreferenceCategory;
import android.preference.PreferenceFrameLayout;
import android.preference.Preference.OnPreferenceChangeListener;
import android.provider.Settings;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.view.accessibility.CaptioningManager;
import android.view.accessibility.CaptioningManager.CaptionStyle;
import com.android.internal.widget.SubtitleView;
import com.android.settings.R;
import com.android.settings.SettingsPreferenceFragment;
import com.android.settings.accessibility.ListDialogPreference.OnValueChangedListener;
import com.android.settings.accessibility.ToggleSwitch.OnBeforeCheckedChangeListener;
import java.util.Locale;
/**
* Settings fragment containing captioning properties.
*/
public class CaptionPropertiesFragment extends SettingsPreferenceFragment
implements OnPreferenceChangeListener, OnValueChangedListener {
private ToggleCaptioningPreferenceFragment mParent;
private static final float DEFAULT_FONT_SIZE = 48f;
private CaptioningManager mCaptioningManager;
private SubtitleView mPreviewText;
// Standard options.
private LocalePreference mLocale;
@@ -70,13 +84,107 @@ public class CaptionPropertiesFragment extends SettingsPreferenceFragment
installUpdateListeners();
}
/**
* Sets the parent fragment, which is used to update the live preview.
*
* @param parent the parent fragment
*/
public void setParent(ToggleCaptioningPreferenceFragment parent) {
mParent = parent;
@Override
public View onCreateView(
LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
final View rootView = inflater.inflate(R.layout.captioning_preview, container, false);
// We have to do this now because PreferenceFrameLayout looks at it
// only when the view is added.
if (container instanceof PreferenceFrameLayout) {
((PreferenceFrameLayout.LayoutParams) rootView.getLayoutParams()).removeBorders = true;
}
final View content = super.onCreateView(inflater, container, savedInstanceState);
((ViewGroup) rootView.findViewById(R.id.properties_fragment)).addView(
content, LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
return rootView;
}
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
mPreviewText = (SubtitleView) view.findViewById(R.id.preview_text);
installActionBarToggleSwitch();
refreshPreviewText();
}
private void refreshPreviewText() {
final Context context = getActivity();
if (context == null) {
// We've been destroyed, abort!
return;
}
final SubtitleView preview = mPreviewText;
if (preview != null) {
final int styleId = mCaptioningManager.getRawUserStyle();
applyCaptionProperties(mCaptioningManager, preview, styleId);
final Locale locale = mCaptioningManager.getLocale();
if (locale != null) {
final CharSequence localizedText = AccessibilityUtils.getTextForLocale(
context, locale, R.string.captioning_preview_text);
preview.setText(localizedText);
} else {
preview.setText(R.string.captioning_preview_text);
}
}
}
public static void applyCaptionProperties(
CaptioningManager manager, SubtitleView previewText, int styleId) {
previewText.setStyle(styleId);
final Context context = previewText.getContext();
final ContentResolver cr = context.getContentResolver();
final float fontScale = manager.getFontScale();
previewText.setTextSize(fontScale * DEFAULT_FONT_SIZE);
final Locale locale = manager.getLocale();
if (locale != null) {
final CharSequence localizedText = AccessibilityUtils.getTextForLocale(
context, locale, R.string.captioning_preview_characters);
previewText.setText(localizedText);
} else {
previewText.setText(R.string.captioning_preview_characters);
}
}
private void installActionBarToggleSwitch() {
final Activity activity = getActivity();
final ToggleSwitch toggleSwitch = new ToggleSwitch(activity);
final int padding = getResources().getDimensionPixelSize(
R.dimen.action_bar_switch_padding);
toggleSwitch.setPaddingRelative(0, 0, padding, 0);
final ActionBar actionBar = activity.getActionBar();
actionBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM, ActionBar.DISPLAY_SHOW_CUSTOM);
final ActionBar.LayoutParams params = new ActionBar.LayoutParams(
ActionBar.LayoutParams.WRAP_CONTENT, ActionBar.LayoutParams.WRAP_CONTENT,
Gravity.CENTER_VERTICAL | Gravity.END);
actionBar.setCustomView(toggleSwitch, params);
final boolean enabled = mCaptioningManager.isEnabled();
getPreferenceScreen().setEnabled(enabled);
mPreviewText.setVisibility(enabled ? View.VISIBLE : View.INVISIBLE);
toggleSwitch.setCheckedInternal(enabled);
toggleSwitch.setOnBeforeCheckedChangeListener(new OnBeforeCheckedChangeListener() {
@Override
public boolean onBeforeCheckedChanged(ToggleSwitch toggleSwitch, boolean checked) {
toggleSwitch.setCheckedInternal(checked);
Settings.Secure.putInt(getActivity().getContentResolver(),
Settings.Secure.ACCESSIBILITY_CAPTIONING_ENABLED, checked ? 1 : 0);
getPreferenceScreen().setEnabled(checked);
mPreviewText.setVisibility(checked ? View.VISIBLE : View.INVISIBLE);
return false;
}
});
}
private void initializeAllPreferences() {
@@ -171,12 +279,6 @@ public class CaptionPropertiesFragment extends SettingsPreferenceFragment
mLocale.setValue(rawLocale == null ? "" : rawLocale);
}
private void refreshPreviewText() {
if (mParent != null) {
mParent.refreshPreviewText();
}
}
private void refreshShowingCustom() {
final boolean customPreset = mPreset.getValue() == CaptionStyle.PRESET_CUSTOM;
if (!customPreset && mShowingCustom) {