Refactor Debug settings to use SubScreenFragment

Bug: 16522808
Change-Id: I741e2fbc5f0a62c7d4ae00e603eef52cc2a6d086

1 files changed, 283 insertions, 0 deletions

diff --git a/java/src/com/android/inputmethod/latin/settings/DebugSettingsFragment.java b/java/src/com/android/inputmethod/latin/settings/DebugSettingsFragment.java
new file mode 100644
index 000000000..4e41d52a3
--- /dev/null
+++ b/java/src/com/android/inputmethod/latin/settings/DebugSettingsFragment.java
@@ -0,0 +1,283 @@
+/*
+ * 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.Intent;
+import android.content.SharedPreferences;
+import android.content.res.Resources;
+import android.os.Bundle;
+import android.os.Process;
+import android.preference.Preference;
+import android.preference.Preference.OnPreferenceClickListener;
+import android.preference.PreferenceGroup;
+import android.preference.TwoStatePreference;
+
+import com.android.inputmethod.latin.DictionaryDumpBroadcastReceiver;
+import com.android.inputmethod.latin.DictionaryFacilitator;
+import com.android.inputmethod.latin.R;
+import com.android.inputmethod.latin.debug.ExternalDictionaryGetterForDebug;
+import com.android.inputmethod.latin.utils.ApplicationUtils;
+import com.android.inputmethod.latin.utils.ResourceUtils;
+
+import java.util.Locale;
+
+/**
+ * "Debug mode" settings sub screen.
+ *
+ * This settings sub screen handles a several preference options for debugging.
+ */
+public final class DebugSettingsFragment extends SubScreenFragment
+        implements OnPreferenceClickListener {
+    private static final String PREF_READ_EXTERNAL_DICTIONARY = "read_external_dictionary";
+    private static final String PREF_KEY_DUMP_DICTS = "pref_key_dump_dictionaries";
+    private static final String PREF_KEY_DUMP_DICT_PREFIX = "pref_key_dump_dictionaries";
+
+    private boolean mServiceNeedsRestart = false;
+    private Preference mReadExternalDictionaryPref;
+    private TwoStatePreference mDebugMode;
+
+    @Override
+    public void onCreate(Bundle icicle) {
+        super.onCreate(icicle);
+        addPreferencesFromResource(R.xml.prefs_screen_debug);
+
+        mReadExternalDictionaryPref = findPreference(PREF_READ_EXTERNAL_DICTIONARY);
+        if (mReadExternalDictionaryPref != null) {
+            mReadExternalDictionaryPref.setOnPreferenceClickListener(this);
+        }
+
+        final PreferenceGroup dictDumpPreferenceGroup =
+                (PreferenceGroup)findPreference(PREF_KEY_DUMP_DICTS);
+        for (final String dictName : DictionaryFacilitator.DICT_TYPE_TO_CLASS.keySet()) {
+            final Preference pref = new DictDumpPreference(getActivity(), dictName);
+            pref.setOnPreferenceClickListener(this);
+            dictDumpPreferenceGroup.addPreference(pref);
+        }
+        final Resources res = getResources();
+        setupKeyLongpressTimeoutSettings();
+        setupKeyPreviewAnimationDuration(DebugSettings.PREF_KEY_PREVIEW_SHOW_UP_DURATION,
+                res.getInteger(R.integer.config_key_preview_show_up_duration));
+        setupKeyPreviewAnimationDuration(DebugSettings.PREF_KEY_PREVIEW_DISMISS_DURATION,
+                res.getInteger(R.integer.config_key_preview_dismiss_duration));
+        setupKeyPreviewAnimationScale(DebugSettings.PREF_KEY_PREVIEW_SHOW_UP_START_SCALE,
+                ResourceUtils.getFloatFromFraction(
+                        res, R.fraction.config_key_preview_show_up_start_scale));
+        setupKeyPreviewAnimationScale(DebugSettings.PREF_KEY_PREVIEW_DISMISS_END_SCALE,
+                ResourceUtils.getFloatFromFraction(
+                        res, R.fraction.config_key_preview_dismiss_end_scale));
+
+        mServiceNeedsRestart = false;
+        mDebugMode = (TwoStatePreference) findPreference(DebugSettings.PREF_DEBUG_MODE);
+        updateDebugMode();
+    }
+
+    private static class DictDumpPreference extends Preference {
+        public final String mDictName;
+
+        public DictDumpPreference(final Context context, final String dictName) {
+            super(context);
+            setKey(PREF_KEY_DUMP_DICT_PREFIX + dictName);
+            setTitle("Dump " + dictName + " dictionary");
+            mDictName = dictName;
+        }
+    }
+
+    @Override
+    public boolean onPreferenceClick(final Preference pref) {
+        final Context context = getActivity();
+        if (pref == mReadExternalDictionaryPref) {
+            ExternalDictionaryGetterForDebug.chooseAndInstallDictionary(context);
+            mServiceNeedsRestart = true;
+            return true;
+        }
+        if (pref instanceof DictDumpPreference) {
+            final DictDumpPreference dictDumpPref = (DictDumpPreference)pref;
+            final String dictName = dictDumpPref.mDictName;
+            final Intent intent = new Intent(
+                    DictionaryDumpBroadcastReceiver.DICTIONARY_DUMP_INTENT_ACTION);
+            intent.putExtra(DictionaryDumpBroadcastReceiver.DICTIONARY_NAME_KEY, dictName);
+            context.sendBroadcast(intent);
+            return true;
+        }
+        return true;
+    }
+
+    @Override
+    public void onStop() {
+        super.onStop();
+        if (mServiceNeedsRestart) {
+            Process.killProcess(Process.myPid());
+        }
+    }
+
+    @Override
+    public void onSharedPreferenceChanged(final SharedPreferences prefs, final String key) {
+        if (key.equals(DebugSettings.PREF_DEBUG_MODE) && mDebugMode != null) {
+            mDebugMode.setChecked(prefs.getBoolean(DebugSettings.PREF_DEBUG_MODE, false));
+            updateDebugMode();
+            mServiceNeedsRestart = true;
+            return;
+        }
+        if (key.equals(DebugSettings.PREF_FORCE_NON_DISTINCT_MULTITOUCH)) {
+            mServiceNeedsRestart = true;
+            return;
+        }
+    }
+
+    private void updateDebugMode() {
+        boolean isDebugMode = mDebugMode.isChecked();
+        final String version = getString(
+                R.string.version_text, ApplicationUtils.getVersionName(getActivity()));
+        if (!isDebugMode) {
+            mDebugMode.setTitle(version);
+            mDebugMode.setSummary(null);
+        } else {
+            mDebugMode.setTitle(getString(R.string.prefs_debug_mode));
+            mDebugMode.setSummary(version);
+        }
+    }
+
+    private void setupKeyLongpressTimeoutSettings() {
+        final SharedPreferences prefs = getSharedPreferences();
+        final Resources res = getResources();
+        final SeekBarDialogPreference pref = (SeekBarDialogPreference)findPreference(
+                DebugSettings.PREF_KEY_LONGPRESS_TIMEOUT);
+        if (pref == null) {
+            return;
+        }
+        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.readKeyLongpressTimeout(prefs, res);
+            }
+
+            @Override
+            public int readDefaultValue(final String key) {
+                return Settings.readDefaultKeyLongpressTimeout(res);
+            }
+
+            @Override
+            public String getValueText(final int value) {
+                return res.getString(R.string.abbreviation_unit_milliseconds, value);
+            }
+
+            @Override
+            public void feedbackValue(final int value) {}
+        });
+    }
+
+    private void setupKeyPreviewAnimationScale(final String prefKey, final float defaultValue) {
+        final SharedPreferences prefs = getSharedPreferences();
+        final Resources res = getResources();
+        final SeekBarDialogPreference pref = (SeekBarDialogPreference)findPreference(prefKey);
+        if (pref == null) {
+            return;
+        }
+        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.readKeyPreviewAnimationScale(prefs, key, defaultValue));
+            }
+
+            @Override
+            public int readDefaultValue(final String key) {
+                return getPercentageFromValue(defaultValue);
+            }
+
+            @Override
+            public String getValueText(final int value) {
+                if (value < 0) {
+                    return res.getString(R.string.settings_system_default);
+                }
+                return String.format(Locale.ROOT, "%d%%", value);
+            }
+
+            @Override
+            public void feedbackValue(final int value) {}
+        });
+    }
+
+    private void setupKeyPreviewAnimationDuration(final String prefKey, final int defaultValue) {
+        final SharedPreferences prefs = getSharedPreferences();
+        final Resources res = getResources();
+        final SeekBarDialogPreference pref = (SeekBarDialogPreference)findPreference(prefKey);
+        if (pref == null) {
+            return;
+        }
+        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.readKeyPreviewAnimationDuration(prefs, key, defaultValue);
+            }
+
+            @Override
+            public int readDefaultValue(final String key) {
+                return defaultValue;
+            }
+
+            @Override
+            public String getValueText(final int value) {
+                return res.getString(R.string.abbreviation_unit_milliseconds, value);
+            }
+
+            @Override
+            public void feedbackValue(final int value) {}
+        });
+    }
+}