Use fragment for advanced preference screen

Bug: 16522808
Change-Id: If4a2ad7a7dfecc7019bf78ad37d93fa8f37cf21e

1 files changed, 248 insertions, 0 deletions

diff --git a/java/src/com/android/inputmethod/latin/settings/AdvancedSettingsFragment.java b/java/src/com/android/inputmethod/latin/settings/AdvancedSettingsFragment.java
new file mode 100644
index 000000000..00f2c73dd
--- /dev/null
+++ b/java/src/com/android/inputmethod/latin/settings/AdvancedSettingsFragment.java
@@ -0,0 +1,248 @@
+/*
+ * Copyright (C) 2014 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.inputmethod.latin.settings;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.content.res.Resources;
+import android.media.AudioManager;
+import android.os.Bundle;
+import android.preference.ListPreference;
+import android.preference.Preference;
+import android.preference.TwoStatePreference;
+
+import com.android.inputmethod.latin.AudioAndHapticFeedbackManager;
+import com.android.inputmethod.latin.R;
+import com.android.inputmethod.latin.define.ProductionFlags;
+import com.android.inputmethod.latin.setup.LauncherIconVisibilityManager;
+
+/**
+ * "Advanced" settings sub screen.
+ *
+ * This settings sub screen handles the following advanced preferences.
+ * - Key popup dismiss delay
+ * - Keypress vibration duration
+ * - Keypress sound volume
+ * - Show app icon
+ * - Improve keyboard
+ * - Debug settings
+ */
+public final class AdvancedSettingsFragment extends SubScreenFragment {
+    @Override
+    public void onCreate(final Bundle icicle) {
+        super.onCreate(icicle);
+        addPreferencesFromResource(R.xml.prefs_screen_advanced);
+
+        final Resources res = getResources();
+        final Context context = getActivity();
+
+        // When we are called from the Settings application but we are not already running, some
+        // singleton and utility classes may not have been initialized.  We have to call
+        // initialization method of these classes here. See {@link LatinIME#onCreate()}.
+        AudioAndHapticFeedbackManager.init(context);
+
+        final SharedPreferences prefs = getPreferenceManager().getSharedPreferences();
+
+        if (!Settings.isInternal(prefs)) {
+            removePreference(Settings.SCREEN_DEBUG);
+        }
+
+        if (!AudioAndHapticFeedbackManager.getInstance().hasVibrator()) {
+            removePreference(Settings.PREF_VIBRATION_DURATION_SETTINGS);
+        }
+
+        // TODO: consolidate key preview dismiss delay with the key preview animation parameters.
+        if (!Settings.readFromBuildConfigIfToShowKeyPreviewPopupOption(res)) {
+            removePreference(Settings.PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY);
+        } else {
+            // TODO: Cleanup this setup.
+            final ListPreference keyPreviewPopupDismissDelay =
+                    (ListPreference) findPreference(Settings.PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY);
+            final String popupDismissDelayDefaultValue = Integer.toString(res.getInteger(
+                    R.integer.config_key_preview_linger_timeout));
+            keyPreviewPopupDismissDelay.setEntries(new String[] {
+                    res.getString(R.string.key_preview_popup_dismiss_no_delay),
+                    res.getString(R.string.key_preview_popup_dismiss_default_delay),
+            });
+            keyPreviewPopupDismissDelay.setEntryValues(new String[] {
+                    "0",
+                    popupDismissDelayDefaultValue
+            });
+            if (null == keyPreviewPopupDismissDelay.getValue()) {
+                keyPreviewPopupDismissDelay.setValue(popupDismissDelayDefaultValue);
+            }
+            keyPreviewPopupDismissDelay.setEnabled(
+                    Settings.readKeyPreviewPopupEnabled(prefs, res));
+        }
+
+        if (!res.getBoolean(R.bool.config_setup_wizard_available)) {
+            removePreference(Settings.PREF_SHOW_SETUP_WIZARD_ICON);
+        }
+
+        if (ProductionFlags.IS_METRICS_LOGGING_SUPPORTED) {
+            final Preference enableMetricsLogging =
+                    findPreference(Settings.PREF_ENABLE_METRICS_LOGGING);
+            if (enableMetricsLogging != null) {
+                final int applicationLabelRes = context.getApplicationInfo().labelRes;
+                final String applicationName = res.getString(applicationLabelRes);
+                final String enableMetricsLoggingTitle = res.getString(
+                        R.string.enable_metrics_logging, applicationName);
+                enableMetricsLogging.setTitle(enableMetricsLoggingTitle);
+            }
+        } else {
+            removePreference(Settings.PREF_ENABLE_METRICS_LOGGING);
+        }
+
+        setupKeypressVibrationDurationSettings();
+        setupKeypressSoundVolumeSettings();
+        refreshEnablingsOfKeypressSoundAndVibrationSettings();
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        final SharedPreferences prefs = getPreferenceManager().getSharedPreferences();
+        final TwoStatePreference showSetupWizardIcon =
+                (TwoStatePreference)findPreference(Settings.PREF_SHOW_SETUP_WIZARD_ICON);
+        if (showSetupWizardIcon != null) {
+            showSetupWizardIcon.setChecked(Settings.readShowSetupWizardIcon(prefs, getActivity()));
+        }
+        updateListPreferenceSummaryToCurrentValue(Settings.PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY);
+    }
+
+    @Override
+    public void onSharedPreferenceChanged(final SharedPreferences prefs, final String key) {
+        final Resources res = getResources();
+        if (key.equals(Settings.PREF_POPUP_ON)) {
+            setPreferenceEnabled(Settings.PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY,
+                    Settings.readKeyPreviewPopupEnabled(prefs, res));
+        } else if (key.equals(Settings.PREF_SHOW_SETUP_WIZARD_ICON)) {
+            LauncherIconVisibilityManager.updateSetupWizardIconVisibility(getActivity());
+        }
+        updateListPreferenceSummaryToCurrentValue(Settings.PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY);
+        refreshEnablingsOfKeypressSoundAndVibrationSettings();
+    }
+
+    private void refreshEnablingsOfKeypressSoundAndVibrationSettings() {
+        final SharedPreferences prefs = getSharedPreferences();
+        final Resources res = getResources();
+        setPreferenceEnabled(Settings.PREF_VIBRATION_DURATION_SETTINGS,
+                Settings.readVibrationEnabled(prefs, res));
+        setPreferenceEnabled(Settings.PREF_KEYPRESS_SOUND_VOLUME,
+                Settings.readKeypressSoundEnabled(prefs, res));
+    }
+
+    private void setupKeypressVibrationDurationSettings() {
+        final SeekBarDialogPreference pref = (SeekBarDialogPreference)findPreference(
+                Settings.PREF_VIBRATION_DURATION_SETTINGS);
+        if (pref == null) {
+            return;
+        }
+        final SharedPreferences prefs = getSharedPreferences();
+        final Resources res = getResources();
+        pref.setInterface(new SeekBarDialogPreference.ValueProxy() {
+            @Override
+            public void writeValue(final int value, final String key) {
+                prefs.edit().putInt(key, value).apply();
+            }
+
+            @Override
+            public void writeDefaultValue(final String key) {
+                prefs.edit().remove(key).apply();
+            }
+
+            @Override
+            public int readValue(final String key) {
+                return Settings.readKeypressVibrationDuration(prefs, res);
+            }
+
+            @Override
+            public int readDefaultValue(final String key) {
+                return Settings.readDefaultKeypressVibrationDuration(res);
+            }
+
+            @Override
+            public void feedbackValue(final int value) {
+                AudioAndHapticFeedbackManager.getInstance().vibrate(value);
+            }
+
+            @Override
+            public String getValueText(final int value) {
+                if (value < 0) {
+                    return res.getString(R.string.settings_system_default);
+                }
+                return res.getString(R.string.abbreviation_unit_milliseconds, value);
+            }
+        });
+    }
+
+    private void setupKeypressSoundVolumeSettings() {
+        final SeekBarDialogPreference pref = (SeekBarDialogPreference)findPreference(
+                Settings.PREF_KEYPRESS_SOUND_VOLUME);
+        if (pref == null) {
+            return;
+        }
+        final SharedPreferences prefs = getSharedPreferences();
+        final Resources res = getResources();
+        final AudioManager am = (AudioManager)getActivity().getSystemService(Context.AUDIO_SERVICE);
+        pref.setInterface(new SeekBarDialogPreference.ValueProxy() {
+            private static final float PERCENTAGE_FLOAT = 100.0f;
+
+            private float getValueFromPercentage(final int percentage) {
+                return percentage / PERCENTAGE_FLOAT;
+            }
+
+            private int getPercentageFromValue(final float floatValue) {
+                return (int)(floatValue * PERCENTAGE_FLOAT);
+            }
+
+            @Override
+            public void writeValue(final int value, final String key) {
+                prefs.edit().putFloat(key, getValueFromPercentage(value)).apply();
+            }
+
+            @Override
+            public void writeDefaultValue(final String key) {
+                prefs.edit().remove(key).apply();
+            }
+
+            @Override
+            public int readValue(final String key) {
+                return getPercentageFromValue(Settings.readKeypressSoundVolume(prefs, res));
+            }
+
+            @Override
+            public int readDefaultValue(final String key) {
+                return getPercentageFromValue(Settings.readDefaultKeypressSoundVolume(res));
+            }
+
+            @Override
+            public String getValueText(final int value) {
+                if (value < 0) {
+                    return res.getString(R.string.settings_system_default);
+                }
+                return Integer.toString(value);
+            }
+
+            @Override
+            public void feedbackValue(final int value) {
+                am.playSoundEffect(
+                        AudioManager.FX_KEYPRESS_STANDARD, getValueFromPercentage(value));
+            }
+        });
+    }
+}