| // Copyright 2010-2015, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| package org.mozc.android.inputmethod.japanese; |
| |
| import org.mozc.android.inputmethod.japanese.model.SymbolCandidateStorage.SymbolHistoryStorage; |
| import org.mozc.android.inputmethod.japanese.preference.MozcFragmentPreferenceActivity; |
| import org.mozc.android.inputmethod.japanese.ui.MenuDialog.MenuDialogListener; |
| import org.mozc.android.inputmethod.japanese.util.ImeSwitcherFactory.ImeSwitcher; |
| import com.google.common.annotations.VisibleForTesting; |
| import com.google.common.base.Optional; |
| import com.google.common.base.Preconditions; |
| |
| import android.app.Activity; |
| import android.content.Context; |
| import android.os.Build; |
| |
| /** |
| * Factory class for dependency. |
| * |
| * Here "Depenency" is for "Dependency Injection". |
| * Dependency is resolved on runtime. |
| * For example preference activity is dependent on the API level. |
| * Previously the same thing is done by string resources (create instances by reflection). |
| * But it is hard to test and sometime cause crash bugs which are found after external launch. |
| */ |
| public class DependencyFactory { |
| |
| |
| /** |
| * Dependencies. |
| */ |
| public interface Dependency { |
| |
| /** |
| * Creates a ViewManager. |
| */ |
| public ViewManagerInterface createViewManager( |
| Context context, |
| ViewEventListener listener, |
| SymbolHistoryStorage symbolHistoryStorage, |
| ImeSwitcher imeSwitcher, |
| MenuDialogListener menuDialogListener); |
| |
| /** |
| * Returns a class for preference activity. |
| */ |
| public Class<? extends Activity> getPreferenceActivityClass(); |
| |
| public boolean isWelcomeActivityPreferrable(); |
| } |
| |
| /** |
| * Dependency for standard (with fragment) UI. |
| */ |
| @VisibleForTesting |
| static final Dependency TOUCH_FRAGMENT_PREF = new Dependency() { |
| |
| @Override |
| public ViewManagerInterface createViewManager(Context context, ViewEventListener listener, |
| SymbolHistoryStorage symbolHistoryStorage, ImeSwitcher imeSwitcher, |
| MenuDialogListener menuDialogListener) { |
| return new ViewManager( |
| Preconditions.checkNotNull(context), |
| Preconditions.checkNotNull(listener), |
| Preconditions.checkNotNull(symbolHistoryStorage), |
| Preconditions.checkNotNull(imeSwitcher), |
| Preconditions.checkNotNull(menuDialogListener)); |
| } |
| |
| @Override |
| public Class<? extends Activity> getPreferenceActivityClass() { |
| return MozcFragmentPreferenceActivity.class; |
| } |
| |
| @Override |
| public boolean isWelcomeActivityPreferrable() { |
| return true; |
| } |
| }; |
| |
| |
| // For testing |
| private static Optional<Dependency> dependencyForTesting = Optional.absent(); |
| |
| @VisibleForTesting |
| public static void setDependency(Optional<Dependency> dependency) { |
| Preconditions.checkNotNull(dependency); |
| dependencyForTesting = dependency; |
| } |
| |
| public static Dependency getDependency(Context context) { |
| Preconditions.checkNotNull(context); |
| if (dependencyForTesting.isPresent()) { |
| return dependencyForTesting.get(); |
| } |
| return TOUCH_FRAGMENT_PREF; |
| } |
| |
| private DependencyFactory() {} |
| } |