From e077d2b607032fb66a4a046aa4b46945d32d281e Mon Sep 17 00:00:00 2001
From: satok <satok@google.com>
Date: Mon, 25 Jul 2011 09:38:11 +0900
Subject: [PATCH] [Step 1] Add preference activities for spell checkers

Bug: 5057977
Change-Id: I8f2f3d480325029c794c058beed2475033a617f9
---
 AndroidManifest.xml                           |  20 +++
 res/values/strings.xml                        |   2 +
 res/values/styles.xml                         |   2 +-
 res/xml/language_settings.xml                 |   4 +
 res/xml/spellchecker_prefs.xml                |  20 +++
 src/com/android/settings/Settings.java        |   1 +
 .../CheckBoxAndSettingsPreference.java        | 118 ++++++++++++++++++
 .../InputMethodAndLanguageSettings.java       |   6 +
 .../InputMethodAndSubtypeEnabler.java         |   2 +
 .../inputmethod/SpellCheckerUtils.java        |  35 ++++++
 .../inputmethod/SpellCheckersPreference.java  |  27 ++++
 .../inputmethod/SpellCheckersSettings.java    |  84 +++++++++++++
 .../inputmethod/UserDictionaryList.java       |   1 +
 13 files changed, 321 insertions(+), 1 deletion(-)
 create mode 100644 res/xml/spellchecker_prefs.xml
 create mode 100644 src/com/android/settings/inputmethod/CheckBoxAndSettingsPreference.java
 create mode 100644 src/com/android/settings/inputmethod/SpellCheckerUtils.java
 create mode 100644 src/com/android/settings/inputmethod/SpellCheckersPreference.java
 create mode 100644 src/com/android/settings/inputmethod/SpellCheckersSettings.java

diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 69ec0914ba7..cfd92d0aadb 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -346,6 +346,26 @@
                 android:resource="@id/language_settings" />
         </activity>
 
+        <activity android:name="Settings$SpellCheckersSettingsActivity"
+                android:label="@string/spellcheckers_settings_title"
+                android:clearTaskOnLaunch="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <action android:name="com.android.settings.VOICE_INPUT_OUTPUT_SETTINGS" />
+                <category android:name="android.intent.category.VOICE_LAUNCH" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="com.android.settings.SHORTCUT" />
+            </intent-filter>
+            <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
+                android:value="com.android.settings.inputmethod.SpellCheckersSettings" />
+            <meta-data android:name="com.android.settings.TOP_LEVEL_HEADER_ID"
+                android:resource="@id/language_settings" />
+            <meta-data android:name="com.android.settings.PARENT_FRAGMENT_TITLE"
+                android:resource="@string/language_keyboard_settings_title" />
+            <meta-data android:name="com.android.settings.PARENT_FRAGMENT_CLASS"
+                android:value="com.android.settings.Settings$InputMethodAndLanguageSettingsActivity" />
+        </activity>
+
         <activity android:name=".inputmethod.InputMethodAndSubtypeEnablerActivity"
                 android:label=""
                 android:clearTaskOnLaunch="true">
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 78a8069aec9..d901d0078c9 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -3569,4 +3569,6 @@ found in the list of installed applications.</string>
     <!-- Instruction for touch exploration tutorial lesson 2, displayed after the user has scrolled a large amount. -->
     <string name="accessibility_tutorial_lesson_2_text_4">You have completed the tutorial. To exit and return to the Talk As I Touch setting, find and tap the <xliff:g id="finish" example="Finish">%s</xliff:g> button.</string>
 
+    <!--  Title for spelling correction settings -->
+    <string name="spellcheckers_settings_title">Spelling correction</string>
 </resources>
diff --git a/res/values/styles.xml b/res/values/styles.xml
index e9405fb1544..b832e973bc0 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -158,7 +158,7 @@
         <item name="android:layout">@layout/preference_inputmethod</item>
         <item name="android:widgetLayout">@layout/preference_inputmethod_widget</item>
     </style>
-    
+
     <style name="AcessibilityTutorialButton">
         <item name="android:layout_width">150dip</item>
         <item name="android:layout_height">wrap_content</item>
diff --git a/res/xml/language_settings.xml b/res/xml/language_settings.xml
index fdf87fc73f1..f696187e73c 100644
--- a/res/xml/language_settings.xml
+++ b/res/xml/language_settings.xml
@@ -30,6 +30,10 @@
         <PreferenceScreen
                  android:key="key_user_dictionary_settings" />
 
+        <com.android.settings.inputmethod.SpellCheckersPreference
+                 android:key="spellcheckers_settings"
+                 android:title="@string/spellcheckers_settings_title"/>
+
     </PreferenceCategory>
 
     <PreferenceCategory android:key="keyboard_settings_category"
diff --git a/res/xml/spellchecker_prefs.xml b/res/xml/spellchecker_prefs.xml
new file mode 100644
index 00000000000..1de04937614
--- /dev/null
+++ b/res/xml/spellchecker_prefs.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2011 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.
+-->
+
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
+        android:title="@string/spellcheckers_settings_title">
+
+</PreferenceScreen>
diff --git a/src/com/android/settings/Settings.java b/src/com/android/settings/Settings.java
index eb0b40c39c4..f09125c1b21 100644
--- a/src/com/android/settings/Settings.java
+++ b/src/com/android/settings/Settings.java
@@ -561,6 +561,7 @@ public class Settings extends PreferenceActivity implements ButtonBarHandler {
     public static class WifiSettingsActivity extends Settings { /* empty */ }
     public static class InputMethodAndLanguageSettingsActivity extends Settings { /* empty */ }
     public static class InputMethodAndSubtypeEnablerActivity extends Settings { /* empty */ }
+    public static class SpellCheckersSettingsActivity extends Settings { /* empty */ }
     public static class LocalePickerActivity extends Settings { /* empty */ }
     public static class UserDictionarySettingsActivity extends Settings { /* empty */ }
     public static class SoundSettingsActivity extends Settings { /* empty */ }
diff --git a/src/com/android/settings/inputmethod/CheckBoxAndSettingsPreference.java b/src/com/android/settings/inputmethod/CheckBoxAndSettingsPreference.java
new file mode 100644
index 00000000000..f983f59a0d2
--- /dev/null
+++ b/src/com/android/settings/inputmethod/CheckBoxAndSettingsPreference.java
@@ -0,0 +1,118 @@
+/*
+ * Copyright (C) 2011 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.inputmethod;
+
+import com.android.settings.R;
+import com.android.settings.SettingsPreferenceFragment;
+
+import android.content.Context;
+import android.content.Intent;
+import android.preference.CheckBoxPreference;
+import android.util.AttributeSet;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+public class CheckBoxAndSettingsPreference extends CheckBoxPreference {
+    private static final float DISABLED_ALPHA = 0.4f;
+
+    private SettingsPreferenceFragment mFragment;
+    private TextView mTitleText;
+    private TextView mSummaryText;
+    private View mCheckBox;
+    private ImageView mSetingsButton;
+    private Intent mSettingsIntent;
+
+    public CheckBoxAndSettingsPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        setLayoutResource(R.layout.preference_inputmethod);
+        setWidgetLayoutResource(R.layout.preference_inputmethod_widget);
+    }
+
+    @Override
+    protected void onBindView(View view) {
+        super.onBindView(view);
+        mCheckBox = view.findViewById(R.id.inputmethod_pref);
+        mCheckBox.setOnClickListener(
+                new OnClickListener() {
+                    @Override
+                    public void onClick(View arg0) {
+                        onCheckBoxClicked(arg0);
+                    }
+                });
+        mSetingsButton = (ImageView)view.findViewById(R.id.inputmethod_settings);
+        mTitleText = (TextView)view.findViewById(android.R.id.title);
+        mSummaryText = (TextView)view.findViewById(android.R.id.summary);
+        mSetingsButton.setOnClickListener(
+                new OnClickListener() {
+                    @Override
+                    public void onClick(View arg0) {
+                        onSettingsButtonClicked(arg0);
+                    }
+                });
+        enableSettingsButton();
+    }
+
+
+    @Override
+    public void setEnabled(boolean enabled) {
+        super.setEnabled(enabled);
+        enableSettingsButton();
+    }
+
+    public void setFragmentIntent(SettingsPreferenceFragment fragment, Intent intent) {
+        mFragment = fragment;
+        mSettingsIntent = intent;
+    }
+
+    protected void onCheckBoxClicked(View view) {
+        if (isChecked()) {
+            setChecked(false);
+        } else {
+            setChecked(true);
+        }
+    }
+
+    protected void onSettingsButtonClicked(View arg0) {
+        if (mFragment != null && mSettingsIntent != null) {
+            mFragment.startActivity(mSettingsIntent);
+        }
+    }
+
+    private void enableSettingsButton() {
+        if (mSetingsButton != null) {
+            if (mSettingsIntent == null) {
+                mSetingsButton.setVisibility(View.GONE);
+            } else {
+                final boolean checked = isChecked();
+                mSetingsButton.setEnabled(checked);
+                mSetingsButton.setClickable(checked);
+                mSetingsButton.setFocusable(checked);
+                if (!checked) {
+                    mSetingsButton.setAlpha(DISABLED_ALPHA);
+                }
+            }
+        }
+        if (mTitleText != null) {
+            mTitleText.setEnabled(true);
+        }
+        if (mSummaryText != null) {
+            mSummaryText.setEnabled(true);
+        }
+    }
+}
diff --git a/src/com/android/settings/inputmethod/InputMethodAndLanguageSettings.java b/src/com/android/settings/inputmethod/InputMethodAndLanguageSettings.java
index e966ec7c9be..d0ff2a0fd55 100644
--- a/src/com/android/settings/inputmethod/InputMethodAndLanguageSettings.java
+++ b/src/com/android/settings/inputmethod/InputMethodAndLanguageSettings.java
@@ -17,6 +17,7 @@
 package com.android.settings.inputmethod;
 
 import com.android.settings.R;
+import com.android.settings.Settings.SpellCheckersSettingsActivity;
 import com.android.settings.SettingsPreferenceFragment;
 import com.android.settings.UserDictionarySettings;
 import com.android.settings.Utils;
@@ -112,6 +113,11 @@ public class InputMethodAndLanguageSettings extends SettingsPreferenceFragment
         mImm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
         mImis = mImm.getInputMethodList();
         createImePreferenceHierarchy((PreferenceGroup)findPreference("keyboard_settings_category"));
+
+        final Intent intent = new Intent(Intent.ACTION_MAIN);
+        intent.setClass(getActivity(), SpellCheckersSettingsActivity.class);
+        ((SpellCheckersPreference)findPreference("spellcheckers_settings")).setFragmentIntent(
+                this, intent);
     }
 
     private void updateInputMethodSelectorSummary(int value) {
diff --git a/src/com/android/settings/inputmethod/InputMethodAndSubtypeEnabler.java b/src/com/android/settings/inputmethod/InputMethodAndSubtypeEnabler.java
index b5353d6a5d2..efed8231f30 100644
--- a/src/com/android/settings/inputmethod/InputMethodAndSubtypeEnabler.java
+++ b/src/com/android/settings/inputmethod/InputMethodAndSubtypeEnabler.java
@@ -147,6 +147,7 @@ public class InputMethodAndSubtypeEnabler extends SettingsPreferenceFragment {
                             .setCancelable(true)
                             .setPositiveButton(android.R.string.ok,
                                     new DialogInterface.OnClickListener() {
+                                        @Override
                                         public void onClick(DialogInterface dialog, int which) {
                                             chkPref.setChecked(true);
                                             InputMethodAndSubtypeUtil.setSubtypesPreferenceEnabled(
@@ -157,6 +158,7 @@ public class InputMethodAndSubtypeEnabler extends SettingsPreferenceFragment {
                             })
                             .setNegativeButton(android.R.string.cancel,
                                     new DialogInterface.OnClickListener() {
+                                        @Override
                                         public void onClick(DialogInterface dialog, int which) {
                                         }
 
diff --git a/src/com/android/settings/inputmethod/SpellCheckerUtils.java b/src/com/android/settings/inputmethod/SpellCheckerUtils.java
new file mode 100644
index 00000000000..3cc256ff100
--- /dev/null
+++ b/src/com/android/settings/inputmethod/SpellCheckerUtils.java
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2011 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.inputmethod;
+
+import android.view.textservice.SpellCheckerInfo;
+
+public class SpellCheckerUtils {
+    public static void setSpellCheckersEnabled(boolean enable) {
+    }
+    public static boolean getSpellCheckersEnabled() {
+        return true;
+    }
+    public static void setCurrentSpellChecker(SpellCheckerInfo info) {
+    }
+    public static SpellCheckerInfo getCurrentSpellChecker() {
+        return null;
+    }
+    public static SpellCheckerInfo[] getEnabledSpellCheckers() {
+        return null;
+    }
+}
diff --git a/src/com/android/settings/inputmethod/SpellCheckersPreference.java b/src/com/android/settings/inputmethod/SpellCheckersPreference.java
new file mode 100644
index 00000000000..7d2eec855d0
--- /dev/null
+++ b/src/com/android/settings/inputmethod/SpellCheckersPreference.java
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2011 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.inputmethod;
+
+import android.content.Context;
+import android.util.AttributeSet;
+
+public class SpellCheckersPreference extends CheckBoxAndSettingsPreference {
+
+    public SpellCheckersPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+}
diff --git a/src/com/android/settings/inputmethod/SpellCheckersSettings.java b/src/com/android/settings/inputmethod/SpellCheckersSettings.java
new file mode 100644
index 00000000000..a36491f4bdf
--- /dev/null
+++ b/src/com/android/settings/inputmethod/SpellCheckersSettings.java
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2011 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.inputmethod;
+
+import com.android.settings.R;
+import com.android.settings.SettingsPreferenceFragment;
+
+import android.os.Bundle;
+import android.preference.Preference;
+import android.preference.PreferenceScreen;
+import android.view.textservice.SpellCheckerInfo;
+
+public class SpellCheckersSettings extends SettingsPreferenceFragment
+        implements Preference.OnPreferenceChangeListener {
+
+    private SpellCheckerInfo mCurrentSci;
+    private SpellCheckerInfo[] mEnabledScis;
+
+    @Override
+    public void onCreate(Bundle icicle) {
+        super.onCreate(icicle);
+        addPreferencesFromResource(R.xml.spellchecker_prefs);
+        updateScreen();
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference arg0, Object arg1) {
+        return false;
+    }
+
+    @Override
+    public boolean onPreferenceTreeClick(PreferenceScreen screen, Preference preference) {
+        return false;
+    }
+
+    @Override
+    public void onResume() {
+        updateScreen();
+    }
+
+    @Override
+    public void onPause() {
+        saveState();
+    }
+
+    private void saveState() {
+        SpellCheckerUtils.setCurrentSpellChecker(mCurrentSci);
+    }
+
+    private void updateScreen() {
+        getPreferenceScreen().removeAll();
+        updateEnabledSpellCheckers();
+    }
+
+    private void updateEnabledSpellCheckers() {
+        mCurrentSci = SpellCheckerUtils.getCurrentSpellChecker();
+        mEnabledScis = SpellCheckerUtils.getEnabledSpellCheckers();
+        if (mCurrentSci == null || mEnabledScis == null) {
+            return;
+        }
+        // TODO: implement here
+        for (int i = 0; i < mEnabledScis.length; ++i) {
+            final SpellCheckerInfo sci = mEnabledScis[i];
+            final PreferenceScreen scs = new PreferenceScreen(getActivity(), null);
+            scs.setTitle(sci.getId());
+            getPreferenceScreen().addPreference(scs);
+            
+        }
+    }
+}
diff --git a/src/com/android/settings/inputmethod/UserDictionaryList.java b/src/com/android/settings/inputmethod/UserDictionaryList.java
index e0afe487915..232a6db3c06 100644
--- a/src/com/android/settings/inputmethod/UserDictionaryList.java
+++ b/src/com/android/settings/inputmethod/UserDictionaryList.java
@@ -45,6 +45,7 @@ public class UserDictionaryList extends SettingsPreferenceFragment {
     }
 
     static Set<String> getUserDictionaryLocalesList(Activity activity) {
+        @SuppressWarnings("deprecation")
         final Cursor cursor = activity.managedQuery(UserDictionary.Words.CONTENT_URI,
                 new String[] { UserDictionary.Words.LOCALE },
                 null, null, null);