| /* |
| * 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.inputmethod.latin; |
| |
| import android.content.Context; |
| import android.graphics.Rect; |
| import android.util.AttributeSet; |
| import android.view.MotionEvent; |
| import android.view.View; |
| import android.widget.LinearLayout; |
| |
| public final class InputView extends LinearLayout { |
| private View mSuggestionStripContainer; |
| private View mKeyboardView; |
| private int mKeyboardTopPadding; |
| |
| private boolean mIsForwardingEvent; |
| private final Rect mInputViewRect = new Rect(); |
| private final Rect mEventForwardingRect = new Rect(); |
| private final Rect mEventReceivingRect = new Rect(); |
| |
| public InputView(Context context, AttributeSet attrs) { |
| super(context, attrs, 0); |
| } |
| |
| public void setKeyboardGeometry(int keyboardTopPadding) { |
| mKeyboardTopPadding = keyboardTopPadding; |
| } |
| |
| @Override |
| protected void onFinishInflate() { |
| mSuggestionStripContainer = findViewById(R.id.suggestions_container); |
| mKeyboardView = findViewById(R.id.keyboard_view); |
| } |
| |
| @Override |
| public boolean dispatchTouchEvent(MotionEvent me) { |
| if (mSuggestionStripContainer.getVisibility() == VISIBLE |
| && mKeyboardView.getVisibility() == VISIBLE |
| && forwardTouchEvent(me)) { |
| return true; |
| } |
| return super.dispatchTouchEvent(me); |
| } |
| |
| // The touch events that hit the top padding of keyboard should be forwarded to |
| // {@link SuggestionStripView}. |
| private boolean forwardTouchEvent(MotionEvent me) { |
| final Rect rect = mInputViewRect; |
| this.getGlobalVisibleRect(rect); |
| final int x = (int)me.getX() + rect.left; |
| final int y = (int)me.getY() + rect.top; |
| |
| final Rect forwardingRect = mEventForwardingRect; |
| mKeyboardView.getGlobalVisibleRect(forwardingRect); |
| if (!mIsForwardingEvent && !forwardingRect.contains(x, y)) { |
| return false; |
| } |
| |
| final int forwardingLimitY = forwardingRect.top + mKeyboardTopPadding; |
| boolean sendToTarget = false; |
| |
| switch (me.getAction()) { |
| case MotionEvent.ACTION_DOWN: |
| if (y < forwardingLimitY) { |
| // This down event and further move and up events should be forwarded to the target. |
| mIsForwardingEvent = true; |
| sendToTarget = true; |
| } |
| break; |
| case MotionEvent.ACTION_MOVE: |
| sendToTarget = mIsForwardingEvent; |
| break; |
| case MotionEvent.ACTION_UP: |
| case MotionEvent.ACTION_CANCEL: |
| sendToTarget = mIsForwardingEvent; |
| mIsForwardingEvent = false; |
| break; |
| } |
| |
| if (!sendToTarget) { |
| return false; |
| } |
| |
| final Rect receivingRect = mEventReceivingRect; |
| mSuggestionStripContainer.getGlobalVisibleRect(receivingRect); |
| final int translatedX = x - receivingRect.left; |
| final int translatedY; |
| if (y < forwardingLimitY) { |
| // The forwarded event should have coordinates that are inside of the target. |
| translatedY = Math.min(y - receivingRect.top, receivingRect.height() - 1); |
| } else { |
| translatedY = y - receivingRect.top; |
| } |
| me.setLocation(translatedX, translatedY); |
| mSuggestionStripContainer.dispatchTouchEvent(me); |
| return true; |
| } |
| } |