| // 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.hardwarekeyboard; |
| |
| import org.mozc.android.inputmethod.japanese.KeycodeConverter.KeyEventInterface; |
| import org.mozc.android.inputmethod.japanese.MozcLog; |
| import org.mozc.android.inputmethod.japanese.keyboard.Keyboard.KeyboardSpecification; |
| import org.mozc.android.inputmethod.japanese.preference.ClientSidePreference.HardwareKeyMap; |
| import org.mozc.android.inputmethod.japanese.protobuf.ProtoCommands; |
| import org.mozc.android.inputmethod.japanese.protobuf.ProtoCommands.CompositionMode; |
| import com.google.common.base.Optional; |
| import com.google.common.base.Preconditions; |
| |
| /** |
| * Converter from android key events to mozc key events. |
| * It has a composition mode for hardware keyboards. |
| * |
| */ |
| public class HardwareKeyboard { |
| |
| /** |
| * Used to switch the composition mode of harwdware keyboard. |
| **/ |
| public static enum CompositionSwitchMode { |
| TOGGLE, |
| KANA, |
| ALPHABET |
| } |
| |
| private HardwareKeyboardSpecification hardwareKeyboardSpecification = |
| HardwareKeyboardSpecification.JAPANESE109A; |
| |
| private CompositionMode compositionMode = CompositionMode.HIRAGANA; |
| |
| public ProtoCommands.KeyEvent getMozcKeyEvent(android.view.KeyEvent keyEvent) { |
| return hardwareKeyboardSpecification.getMozcKeyEvent(Preconditions.checkNotNull(keyEvent)); |
| } |
| |
| public KeyEventInterface getKeyEventInterface(android.view.KeyEvent keyEvent) { |
| return hardwareKeyboardSpecification.getKeyEventInterface( |
| Preconditions.checkNotNull(keyEvent)); |
| } |
| |
| public boolean setCompositionModeByKey(android.view.KeyEvent keyEvent) { |
| Optional<CompositionSwitchMode> compositionSwitchMode = |
| hardwareKeyboardSpecification.getCompositionSwitchMode( |
| Preconditions.checkNotNull(keyEvent)); |
| |
| if (!compositionSwitchMode.isPresent()) { |
| return false; |
| } |
| |
| setCompositionMode(compositionSwitchMode.get()); |
| |
| // Changed composition mode. |
| return true; |
| } |
| |
| public void setCompositionMode(CompositionSwitchMode compositionSwitchMode) { |
| switch (Preconditions.checkNotNull(compositionSwitchMode)) { |
| case TOGGLE: |
| if (compositionMode == CompositionMode.HIRAGANA) { |
| compositionMode = CompositionMode.HALF_ASCII; |
| } else { |
| compositionMode = CompositionMode.HIRAGANA; |
| } |
| break; |
| case KANA: |
| compositionMode = CompositionMode.HIRAGANA; |
| break; |
| case ALPHABET: |
| compositionMode = CompositionMode.HALF_ASCII; |
| break; |
| } |
| } |
| |
| public KeyboardSpecification getKeyboardSpecification() { |
| switch(compositionMode) { |
| case HIRAGANA: |
| return hardwareKeyboardSpecification.getKanaKeyboardSpecification(); |
| default: |
| return hardwareKeyboardSpecification.getAlphabetKeyboardSpecification(); |
| } |
| } |
| |
| public CompositionMode getCompositionMode() { |
| return compositionMode; |
| } |
| |
| public void setHardwareKeyMap(HardwareKeyMap hardwareKeyMap) { |
| Optional<HardwareKeyboardSpecification> nextSpecification = |
| HardwareKeyboardSpecification.getHardwareKeyboardSpecification( |
| Optional.fromNullable(hardwareKeyMap)); |
| if (!nextSpecification.isPresent()) { |
| MozcLog.w("Invalid HardwareKeyMap: " + hardwareKeyMap); |
| return; |
| } |
| hardwareKeyboardSpecification = nextSpecification.get(); |
| setCompositionMode(CompositionSwitchMode.KANA); |
| } |
| |
| public HardwareKeyMap getHardwareKeyMap() { |
| return hardwareKeyboardSpecification.getHardwareKeyMap(); |
| } |
| } |