Add InputMethodSettingsFragment to a static library

Bug: 4979539
Change-Id: I4a019f3578c3f0da0086bf3d27ddcf55c2d1b57f

2 files changed, 221 insertions, 0 deletions

diff --git a/Android.mk b/Android.mk
new file mode 100644
index 0000000..7e4d14d
--- /dev/null
+++ b/Android.mk
@@ -0,0 +1,26 @@
+# 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.
+
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := inputmethod-common
+# TODO: Change a sdk version to 14 once the framework gets ready
+LOCAL_SDK_VERSION := 13
+LOCAL_SRC_FILES := \
+     $(call all-java-files-under, java)
+include $(BUILD_STATIC_JAVA_LIBRARY)
+
+# Build the test package
+include $(call all-makefiles-under, $(LOCAL_PATH))
diff --git a/java/InputMethodSettingsFragment.java b/java/InputMethodSettingsFragment.java
new file mode 100644
index 0000000..cf0030b
--- /dev/null
+++ b/java/InputMethodSettingsFragment.java
@@ -0,0 +1,195 @@
+/*
+ * 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.inputmethodcommon;
+
+import android.content.Context;
+import android.graphics.drawable.Drawable;
+import android.os.Bundle;
+import android.preference.Preference;
+import android.preference.Preference.OnPreferenceClickListener;
+import android.preference.PreferenceCategory;
+import android.preference.PreferenceFragment;
+import android.preference.PreferenceScreen;
+import android.provider.Settings;
+import android.text.TextUtils;
+import android.view.inputmethod.InputMethodInfo;
+import android.view.inputmethod.InputMethodManager;
+import android.view.ViewGroup;
+
+import java.util.List;
+
+/**
+ * This is a helper class for an IME's settings preference fragment. It's recommended for every
+ * IME to have its own settings preference fragment which inherits this class.
+ */
+public abstract class InputMethodSettingsFragment extends PreferenceFragment {
+    private PreferenceCategory mInputMethodSettingsCategory;
+    private Preference mSubtypeEnablerPreference;
+    private int mInputMethodSettingsCategoryTitleRes;
+    private CharSequence mInputMethodSettingsCategoryTitle;
+    private int mSubtypeEnablerTitleRes;
+    private CharSequence mSubtypeEnablerTitle;
+    private int mSubtypeEnablerSummaryRes;
+    private CharSequence mSubtypeEnablerSummary;
+    private int mSubtypeEnablerIconRes;
+    private Drawable mSubtypeEnablerIcon;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        final Context context = getActivity();
+        final InputMethodManager imm =
+                (InputMethodManager) context.getSystemService(
+                        Context.INPUT_METHOD_SERVICE);
+
+        final InputMethodInfo imi = getMyImi(imm);
+        if (imi != null && imi.getSubtypeCount() > 1) {
+            mInputMethodSettingsCategory = new PreferenceCategory(context);
+            mSubtypeEnablerPreference =
+                    getPreferenceManager().createPreferenceScreen(context);
+            mSubtypeEnablerPreference
+                    .setOnPreferenceClickListener(new OnPreferenceClickListener() {
+                        @Override
+                        public boolean onPreferenceClick(Preference preference) {
+                            final Bundle bundle = new Bundle();
+                            bundle.putString(Settings.EXTRA_INPUT_METHOD_ID, imi.getId());
+                            return true;
+                        }
+                    });
+            mInputMethodSettingsCategory.addPreference(mSubtypeEnablerPreference);
+            getPreferenceScreen().addPreference(mInputMethodSettingsCategory);
+        }
+        updateSubtypeEnabler();
+    }
+
+    private InputMethodInfo getMyImi(InputMethodManager imm) {
+        final List<InputMethodInfo> imis = imm.getInputMethodList();
+        for (int i = 0; i < imis.size(); ++i) {
+            final InputMethodInfo imi = imis.get(i);
+            if (imis.get(i).getPackageName().equals(getActivity().getPackageName())) {
+                return imi;
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Sets the title for the input method settings category with a resource ID.
+     * @param resId The resource ID of the title.
+     */
+    public void setInputMethodSettingsCategoryTitle(int resId) {
+        mInputMethodSettingsCategoryTitleRes = resId;
+        updateSubtypeEnabler();
+    }
+
+    /**
+     * Sets the title for the input method settings category with a CharSequence.
+     * @param title The title for this preference.
+     */
+    public void setInputMethodSettingsCategoryTitle(CharSequence title) {
+        mInputMethodSettingsCategoryTitleRes = 0;
+        mInputMethodSettingsCategoryTitle = title;
+        updateSubtypeEnabler();
+    }
+
+    /**
+     * Sets the title for the input method enabler preference for launching subtype enabler with a
+     * resource ID.
+     * @param resId The resource ID of the title.
+     */
+    public void setSubtypeEnablerTitle(int resId) {
+        mSubtypeEnablerTitleRes = resId;
+        updateSubtypeEnabler();
+    }
+
+    /**
+     * Sets the title for the input method enabler preference for launching subtype enabler with a
+     * CharSequence.
+     * @param title The title for this preference.
+     */
+    public void setSubtypeEnablerTitle(CharSequence title) {
+        mSubtypeEnablerTitleRes = 0;
+        mSubtypeEnablerTitle = title;
+        updateSubtypeEnabler();
+    }
+
+    /**
+     * Sets the summary for the inputmethod enabler preference for launching subtype enabler with a
+     * resource ID.
+     * @param resId The resource id of the summary for the preference.
+     */
+    public void setSubtypeEnablerSummary(int resId) {
+        mSubtypeEnablerSummaryRes = resId;
+        updateSubtypeEnabler();
+    }
+
+    /**
+     * Sets the summary for the inputmethod enabler preference for launching subtype enabler with a
+     * CharSequence.
+     * @param summary The summary of the preference.
+     */
+    public void setSubtypeEnablerSummary(CharSequence summary) {
+        mSubtypeEnablerSummaryRes = 0;
+        mSubtypeEnablerSummary = summary;
+        updateSubtypeEnabler();
+    }
+
+    /**
+     * Sets the icon for the preference for launching subtype enabler with a resource ID.
+     * @param resId The resource id of an optional icon for the preference.
+     */
+    public void setSubtypeEnablerIcon(int resId) {
+        mSubtypeEnablerIconRes = resId;
+        updateSubtypeEnabler();
+    }
+
+    /**
+     * Sets the icon for the Preference for launching subtype enabler with a Drawable.
+     * @param drawable The drawable of an optional icon for the preference.
+     */
+    public void setSubtypeEnablerIcon(Drawable drawable) {
+        mSubtypeEnablerIconRes = 0;
+        mSubtypeEnablerIcon = drawable;
+        updateSubtypeEnabler();
+    }
+
+    private void updateSubtypeEnabler() {
+        if (mSubtypeEnablerPreference != null) {
+            if (mSubtypeEnablerTitleRes != 0) {
+                mSubtypeEnablerPreference.setTitle(mSubtypeEnablerTitleRes);
+            } else if (!TextUtils.isEmpty(mSubtypeEnablerTitle)) {
+                mSubtypeEnablerPreference.setTitle(mSubtypeEnablerTitle);
+            }
+            if (mSubtypeEnablerSummaryRes != 0) {
+                mSubtypeEnablerPreference.setSummary(mSubtypeEnablerSummaryRes);
+            } else if (!TextUtils.isEmpty(mSubtypeEnablerSummary)) {
+                mSubtypeEnablerPreference.setSummary(mSubtypeEnablerSummary);
+            }
+            if (mSubtypeEnablerIconRes != 0) {
+                mSubtypeEnablerPreference.setIcon(mSubtypeEnablerIconRes);
+            } else if (mSubtypeEnablerIcon != null) {
+                mSubtypeEnablerPreference.setIcon(mSubtypeEnablerIcon);
+            }
+        }
+        if (mInputMethodSettingsCategory != null) {
+            if (mInputMethodSettingsCategoryTitleRes != 0) {
+                mInputMethodSettingsCategory.setTitle(mInputMethodSettingsCategoryTitleRes);
+            } else if (!TextUtils.isEmpty(mInputMethodSettingsCategoryTitle)) {
+                mInputMethodSettingsCategory.setTitle(mInputMethodSettingsCategoryTitle);
+            }
+        }
+    }
+}