119 lines
3.5 KiB
Java
119 lines
3.5 KiB
Java
/*
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* Copyright (C) 2009 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.email.activity;
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import com.android.email.R;
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import android.content.Context;
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import android.util.AttributeSet;
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import android.view.MotionEvent;
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import android.widget.LinearLayout;
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/**
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* This custom View is the list item for the AccountFolderList activity, and serves two purposes:
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* 1. It's a container to store row metadata
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* 2. It handles internal clicks so we can create virtual "buttons" in the list
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*/
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public class AccountFolderListItem extends LinearLayout {
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public long mAccountId;
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private AccountsAdapter mAdapter;
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private boolean mHasFolderButton;
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private boolean mDownEvent;
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private boolean mCachedViewPositions;
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private int mFolderLeft;
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private final static float FOLDER_PAD = 5.0F;
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public AccountFolderListItem(Context context) {
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super(context);
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}
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public AccountFolderListItem(Context context, AttributeSet attrs) {
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super(context, attrs);
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}
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/**
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* Called by the adapter at bindView() time
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*
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* @param adapter the adapter that creates this view
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*/
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public void bindViewInit(AccountsAdapter adapter, boolean hasFolderButton) {
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mAdapter = adapter;
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mCachedViewPositions = false;
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mHasFolderButton = hasFolderButton;
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}
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/**
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* Overriding this method allows us to "catch" clicks in the checkbox or star
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* and process them accordingly.
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*/
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@Override
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public boolean onTouchEvent(MotionEvent event) {
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if (mAdapter.isOnDeletingAccountView(mAccountId)) {
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return true;
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}
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// Short-circuit all of this for list items w/o folder buttons
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if (!mHasFolderButton) {
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return super.onTouchEvent(event);
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}
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boolean handled = false;
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int touchX = (int) event.getX();
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if (!mCachedViewPositions) {
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float paddingScale = getContext().getResources().getDisplayMetrics().density;
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int folderPadding = (int) ((FOLDER_PAD * paddingScale) + 0.5);
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mFolderLeft = findViewById(R.id.folder_button).getLeft() - folderPadding;
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mCachedViewPositions = true;
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}
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switch (event.getAction()) {
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case MotionEvent.ACTION_DOWN:
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mDownEvent = true;
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if (touchX > mFolderLeft) {
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handled = true;
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}
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break;
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case MotionEvent.ACTION_CANCEL:
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mDownEvent = false;
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break;
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case MotionEvent.ACTION_UP:
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if (mDownEvent) {
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if (touchX > mFolderLeft) {
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mAdapter.onClickFolder(this);
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handled = true;
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}
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}
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break;
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}
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if (handled) {
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postInvalidate();
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} else {
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handled = super.onTouchEvent(event);
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}
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return handled;
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}
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}
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