Add minimum font size support

Change-Id: I2dc092f7484ff63ce90f15c2c46c7029c84265e8

1 files changed, 85 insertions, 0 deletions

diff --git a/src/com/android/browser/preferences/AccessibilityPreferencesFragment.java b/src/com/android/browser/preferences/AccessibilityPreferencesFragment.java
new file mode 100644
index 0000000..1f88e48
--- /dev/null
+++ b/src/com/android/browser/preferences/AccessibilityPreferencesFragment.java
@@ -0,0 +1,85 @@
+/*
+ * 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.browser.preferences;
+
+import com.android.browser.BrowserSettings;
+import com.android.browser.R;
+
+import android.content.res.Resources;
+import android.os.Bundle;
+import android.preference.Preference;
+import android.preference.PreferenceFragment;
+import android.util.Log;
+import android.view.View;
+
+public class AccessibilityPreferencesFragment extends PreferenceFragment
+        implements Preference.OnPreferenceChangeListener {
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        addPreferencesFromResource(R.xml.accessibility_preferences);
+
+        Preference e = findPreference(BrowserSettings.PREF_TEXT_SIZE);
+        e.setOnPreferenceChangeListener(this);
+        e.setSummary(getVisualTextSizeName(
+                getPreferenceScreen().getSharedPreferences()
+                .getString(BrowserSettings.PREF_TEXT_SIZE, null)) );
+    }
+
+    @Override
+    public void onViewCreated(View view, Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+        getListView().setItemsCanFocus(true);
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference pref, Object objValue) {
+        if (getActivity() == null) {
+            // We aren't attached, so don't accept preferences changes from the
+            // invisible UI.
+            return false;
+        }
+
+        if (pref.getKey().equals(BrowserSettings.PREF_TEXT_SIZE)) {
+            pref.setSummary(getVisualTextSizeName((String) objValue));
+            return true;
+        }
+        return false;
+    }
+
+    private CharSequence getVisualTextSizeName(String enumName) {
+        Resources res = getActivity().getResources();
+        CharSequence[] visualNames = res.getTextArray(R.array.pref_text_size_choices);
+        CharSequence[] enumNames = res.getTextArray(R.array.pref_text_size_values);
+
+        // Sanity check
+        if (visualNames.length != enumNames.length) {
+            return "";
+        }
+
+        int length = enumNames.length;
+        for (int i = 0; i < length; i++) {
+            if (enumNames[i].equals(enumName)) {
+                return visualNames[i];
+            }
+        }
+
+        return "";
+    }
+
+}
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