ActionBarSherlock 4.0.2
This commit is contained in:
Dominik
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/*
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* Copyright (C) 2011 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.actionbarsherlock.widget;
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import android.os.Build;
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import com.actionbarsherlock.R;
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import com.actionbarsherlock.internal.widget.IcsLinearLayout;
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import com.actionbarsherlock.internal.widget.IcsListPopupWindow;
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import com.actionbarsherlock.view.ActionProvider;
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import com.actionbarsherlock.widget.ActivityChooserModel.ActivityChooserModelClient;
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import android.content.Context;
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import android.content.Intent;
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import android.content.pm.PackageManager;
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import android.content.pm.ResolveInfo;
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import android.content.res.Resources;
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import android.content.res.TypedArray;
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import android.database.DataSetObserver;
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import android.graphics.drawable.Drawable;
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import android.util.AttributeSet;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.ViewTreeObserver;
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import android.view.ViewTreeObserver.OnGlobalLayoutListener;
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import android.widget.AdapterView;
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import android.widget.BaseAdapter;
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import android.widget.FrameLayout;
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import android.widget.ImageView;
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import android.widget.PopupWindow;
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import android.widget.TextView;
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/**
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* This class is a view for choosing an activity for handling a given {@link Intent}.
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* <p>
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* The view is composed of two adjacent buttons:
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* <ul>
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* <li>
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* The left button is an immediate action and allows one click activity choosing.
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* Tapping this button immediately executes the intent without requiring any further
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* user input. Long press on this button shows a popup for changing the default
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* activity.
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* </li>
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* <li>
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* The right button is an overflow action and provides an optimized menu
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* of additional activities. Tapping this button shows a popup anchored to this
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* view, listing the most frequently used activities. This list is initially
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* limited to a small number of items in frequency used order. The last item,
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* "Show all..." serves as an affordance to display all available activities.
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* </li>
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* </ul>
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* </p>
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*
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* @hide
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*/
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class ActivityChooserView extends ViewGroup implements ActivityChooserModelClient {
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/**
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* An adapter for displaying the activities in an {@link AdapterView}.
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*/
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private final ActivityChooserViewAdapter mAdapter;
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/**
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* Implementation of various interfaces to avoid publishing them in the APIs.
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*/
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private final Callbacks mCallbacks;
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/**
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* The content of this view.
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*/
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private final IcsLinearLayout mActivityChooserContent;
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/**
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* Stores the background drawable to allow hiding and latter showing.
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*/
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private final Drawable mActivityChooserContentBackground;
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/**
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* The expand activities action button;
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*/
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private final FrameLayout mExpandActivityOverflowButton;
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/**
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* The image for the expand activities action button;
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*/
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private final ImageView mExpandActivityOverflowButtonImage;
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/**
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* The default activities action button;
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*/
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private final FrameLayout mDefaultActivityButton;
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/**
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* The image for the default activities action button;
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*/
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private final ImageView mDefaultActivityButtonImage;
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/**
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* The maximal width of the list popup.
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*/
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private final int mListPopupMaxWidth;
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/**
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* The ActionProvider hosting this view, if applicable.
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*/
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ActionProvider mProvider;
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/**
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* Observer for the model data.
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*/
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private final DataSetObserver mModelDataSetOberver = new DataSetObserver() {
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@Override
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public void onChanged() {
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super.onChanged();
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mAdapter.notifyDataSetChanged();
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}
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@Override
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public void onInvalidated() {
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super.onInvalidated();
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mAdapter.notifyDataSetInvalidated();
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}
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};
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private final OnGlobalLayoutListener mOnGlobalLayoutListener = new OnGlobalLayoutListener() {
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@Override
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public void onGlobalLayout() {
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if (isShowingPopup()) {
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if (!isShown()) {
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getListPopupWindow().dismiss();
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} else {
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getListPopupWindow().show();
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if (mProvider != null) {
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mProvider.subUiVisibilityChanged(true);
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}
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}
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}
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}
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};
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/**
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* Popup window for showing the activity overflow list.
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*/
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private IcsListPopupWindow mListPopupWindow;
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/**
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* Listener for the dismissal of the popup/alert.
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*/
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private PopupWindow.OnDismissListener mOnDismissListener;
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/**
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* Flag whether a default activity currently being selected.
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*/
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private boolean mIsSelectingDefaultActivity;
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/**
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* The count of activities in the popup.
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*/
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private int mInitialActivityCount = ActivityChooserViewAdapter.MAX_ACTIVITY_COUNT_DEFAULT;
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/**
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* Flag whether this view is attached to a window.
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*/
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private boolean mIsAttachedToWindow;
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/**
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* String resource for formatting content description of the default target.
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*/
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private int mDefaultActionButtonContentDescription;
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private final Context mContext;
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/**
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* Create a new instance.
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*
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* @param context The application environment.
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*/
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public ActivityChooserView(Context context) {
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this(context, null);
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}
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/**
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* Create a new instance.
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*
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* @param context The application environment.
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* @param attrs A collection of attributes.
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*/
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public ActivityChooserView(Context context, AttributeSet attrs) {
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this(context, attrs, 0);
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}
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/**
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* Create a new instance.
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*
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* @param context The application environment.
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* @param attrs A collection of attributes.
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* @param defStyle The default style to apply to this view.
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*/
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public ActivityChooserView(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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mContext = context;
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TypedArray attributesArray = context.obtainStyledAttributes(attrs,
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R.styleable.SherlockActivityChooserView, defStyle, 0);
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mInitialActivityCount = attributesArray.getInt(
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R.styleable.SherlockActivityChooserView_initialActivityCount,
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ActivityChooserViewAdapter.MAX_ACTIVITY_COUNT_DEFAULT);
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Drawable expandActivityOverflowButtonDrawable = attributesArray.getDrawable(
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R.styleable.SherlockActivityChooserView_expandActivityOverflowButtonDrawable);
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attributesArray.recycle();
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LayoutInflater inflater = LayoutInflater.from(mContext);
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inflater.inflate(R.layout.abs__activity_chooser_view, this, true);
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mCallbacks = new Callbacks();
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mActivityChooserContent = (IcsLinearLayout) findViewById(R.id.abs__activity_chooser_view_content);
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mActivityChooserContentBackground = mActivityChooserContent.getBackground();
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mDefaultActivityButton = (FrameLayout) findViewById(R.id.abs__default_activity_button);
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mDefaultActivityButton.setOnClickListener(mCallbacks);
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mDefaultActivityButton.setOnLongClickListener(mCallbacks);
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mDefaultActivityButtonImage = (ImageView) mDefaultActivityButton.findViewById(R.id.abs__image);
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mExpandActivityOverflowButton = (FrameLayout) findViewById(R.id.abs__expand_activities_button);
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mExpandActivityOverflowButton.setOnClickListener(mCallbacks);
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mExpandActivityOverflowButtonImage =
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(ImageView) mExpandActivityOverflowButton.findViewById(R.id.abs__image);
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mExpandActivityOverflowButtonImage.setImageDrawable(expandActivityOverflowButtonDrawable);
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mAdapter = new ActivityChooserViewAdapter();
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mAdapter.registerDataSetObserver(new DataSetObserver() {
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@Override
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public void onChanged() {
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super.onChanged();
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updateAppearance();
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}
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});
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Resources resources = context.getResources();
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mListPopupMaxWidth = Math.max(resources.getDisplayMetrics().widthPixels / 2,
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resources.getDimensionPixelSize(R.dimen.abs__config_prefDialogWidth));
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}
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/**
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* {@inheritDoc}
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*/
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public void setActivityChooserModel(ActivityChooserModel dataModel) {
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mAdapter.setDataModel(dataModel);
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if (isShowingPopup()) {
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dismissPopup();
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showPopup();
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}
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}
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/**
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* Sets the background for the button that expands the activity
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* overflow list.
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*
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* <strong>Note:</strong> Clients would like to set this drawable
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* as a clue about the action the chosen activity will perform. For
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* example, if a share activity is to be chosen the drawable should
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* give a clue that sharing is to be performed.
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*
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* @param drawable The drawable.
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*/
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public void setExpandActivityOverflowButtonDrawable(Drawable drawable) {
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mExpandActivityOverflowButtonImage.setImageDrawable(drawable);
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}
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/**
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* Sets the content description for the button that expands the activity
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* overflow list.
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*
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* description as a clue about the action performed by the button.
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* For example, if a share activity is to be chosen the content
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* description should be something like "Share with".
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*
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* @param resourceId The content description resource id.
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*/
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public void setExpandActivityOverflowButtonContentDescription(int resourceId) {
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CharSequence contentDescription = mContext.getString(resourceId);
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mExpandActivityOverflowButtonImage.setContentDescription(contentDescription);
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}
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/**
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* Set the provider hosting this view, if applicable.
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* @hide Internal use only
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*/
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public void setProvider(ActionProvider provider) {
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mProvider = provider;
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}
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/**
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* Shows the popup window with activities.
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*
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* @return True if the popup was shown, false if already showing.
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*/
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public boolean showPopup() {
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if (isShowingPopup() || !mIsAttachedToWindow) {
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return false;
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}
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mIsSelectingDefaultActivity = false;
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showPopupUnchecked(mInitialActivityCount);
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return true;
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}
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/**
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* Shows the popup no matter if it was already showing.
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*
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* @param maxActivityCount The max number of activities to display.
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*/
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private void showPopupUnchecked(int maxActivityCount) {
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if (mAdapter.getDataModel() == null) {
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throw new IllegalStateException("No data model. Did you call #setDataModel?");
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}
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getViewTreeObserver().addOnGlobalLayoutListener(mOnGlobalLayoutListener);
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final boolean defaultActivityButtonShown =
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mDefaultActivityButton.getVisibility() == VISIBLE;
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final int activityCount = mAdapter.getActivityCount();
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final int maxActivityCountOffset = defaultActivityButtonShown ? 1 : 0;
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if (maxActivityCount != ActivityChooserViewAdapter.MAX_ACTIVITY_COUNT_UNLIMITED
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&& activityCount > maxActivityCount + maxActivityCountOffset) {
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mAdapter.setShowFooterView(true);
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mAdapter.setMaxActivityCount(maxActivityCount - 1);
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} else {
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mAdapter.setShowFooterView(false);
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mAdapter.setMaxActivityCount(maxActivityCount);
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}
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IcsListPopupWindow popupWindow = getListPopupWindow();
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if (!popupWindow.isShowing()) {
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if (mIsSelectingDefaultActivity || !defaultActivityButtonShown) {
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mAdapter.setShowDefaultActivity(true, defaultActivityButtonShown);
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} else {
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mAdapter.setShowDefaultActivity(false, false);
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}
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final int contentWidth = Math.min(mAdapter.measureContentWidth(), mListPopupMaxWidth);
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popupWindow.setContentWidth(contentWidth);
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popupWindow.show();
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if (mProvider != null) {
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mProvider.subUiVisibilityChanged(true);
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}
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popupWindow.getListView().setContentDescription(mContext.getString(
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R.string.abs__activitychooserview_choose_application));
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}
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}
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/**
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* Dismisses the popup window with activities.
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*
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* @return True if dismissed, false if already dismissed.
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*/
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public boolean dismissPopup() {
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if (isShowingPopup()) {
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getListPopupWindow().dismiss();
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ViewTreeObserver viewTreeObserver = getViewTreeObserver();
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if (viewTreeObserver.isAlive()) {
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viewTreeObserver.removeGlobalOnLayoutListener(mOnGlobalLayoutListener);
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}
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}
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return true;
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}
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/**
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* Gets whether the popup window with activities is shown.
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*
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* @return True if the popup is shown.
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*/
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public boolean isShowingPopup() {
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return getListPopupWindow().isShowing();
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}
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@Override
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protected void onAttachedToWindow() {
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super.onAttachedToWindow();
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ActivityChooserModel dataModel = mAdapter.getDataModel();
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if (dataModel != null) {
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dataModel.registerObserver(mModelDataSetOberver);
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}
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mIsAttachedToWindow = true;
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}
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@Override
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protected void onDetachedFromWindow() {
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super.onDetachedFromWindow();
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ActivityChooserModel dataModel = mAdapter.getDataModel();
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if (dataModel != null) {
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dataModel.unregisterObserver(mModelDataSetOberver);
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}
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ViewTreeObserver viewTreeObserver = getViewTreeObserver();
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if (viewTreeObserver.isAlive()) {
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viewTreeObserver.removeGlobalOnLayoutListener(mOnGlobalLayoutListener);
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}
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mIsAttachedToWindow = false;
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}
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@Override
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protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
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View child = mActivityChooserContent;
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// If the default action is not visible we want to be as tall as the
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// ActionBar so if this widget is used in the latter it will look as
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// a normal action button.
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if (mDefaultActivityButton.getVisibility() != VISIBLE) {
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heightMeasureSpec = MeasureSpec.makeMeasureSpec(MeasureSpec.getSize(heightMeasureSpec),
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MeasureSpec.EXACTLY);
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}
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measureChild(child, widthMeasureSpec, heightMeasureSpec);
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setMeasuredDimension(child.getMeasuredWidth(), child.getMeasuredHeight());
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}
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@Override
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protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
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mActivityChooserContent.layout(0, 0, right - left, bottom - top);
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if (getListPopupWindow().isShowing()) {
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showPopupUnchecked(mAdapter.getMaxActivityCount());
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} else {
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dismissPopup();
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}
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}
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public ActivityChooserModel getDataModel() {
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return mAdapter.getDataModel();
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}
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/**
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* Sets a listener to receive a callback when the popup is dismissed.
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*
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* @param listener The listener to be notified.
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*/
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public void setOnDismissListener(PopupWindow.OnDismissListener listener) {
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mOnDismissListener = listener;
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}
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/**
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* Sets the initial count of items shown in the activities popup
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* i.e. the items before the popup is expanded. This is an upper
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* bound since it is not guaranteed that such number of intent
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* handlers exist.
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*
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* @param itemCount The initial popup item count.
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*/
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public void setInitialActivityCount(int itemCount) {
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mInitialActivityCount = itemCount;
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}
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/**
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* Sets a content description of the default action button. This
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* resource should be a string taking one formatting argument and
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* will be used for formatting the content description of the button
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* dynamically as the default target changes. For example, a resource
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* pointing to the string "share with %1$s" will result in a content
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* description "share with Bluetooth" for the Bluetooth activity.
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*
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* @param resourceId The resource id.
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*/
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public void setDefaultActionButtonContentDescription(int resourceId) {
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mDefaultActionButtonContentDescription = resourceId;
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}
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/**
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* Gets the list popup window which is lazily initialized.
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*
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* @return The popup.
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*/
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private IcsListPopupWindow getListPopupWindow() {
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if (mListPopupWindow == null) {
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mListPopupWindow = new IcsListPopupWindow(getContext());
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mListPopupWindow.setAdapter(mAdapter);
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mListPopupWindow.setAnchorView(ActivityChooserView.this);
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mListPopupWindow.setModal(true);
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mListPopupWindow.setOnItemClickListener(mCallbacks);
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mListPopupWindow.setOnDismissListener(mCallbacks);
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}
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return mListPopupWindow;
|
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}
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||||
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||||
/**
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* Updates the buttons state.
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||||
*/
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||||
private void updateAppearance() {
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// Expand overflow button.
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||||
if (mAdapter.getCount() > 0) {
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mExpandActivityOverflowButton.setEnabled(true);
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||||
} else {
|
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mExpandActivityOverflowButton.setEnabled(false);
|
||||
}
|
||||
// Default activity button.
|
||||
final int activityCount = mAdapter.getActivityCount();
|
||||
final int historySize = mAdapter.getHistorySize();
|
||||
if (activityCount > 0 && historySize > 0) {
|
||||
mDefaultActivityButton.setVisibility(VISIBLE);
|
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ResolveInfo activity = mAdapter.getDefaultActivity();
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||||
PackageManager packageManager = mContext.getPackageManager();
|
||||
mDefaultActivityButtonImage.setImageDrawable(activity.loadIcon(packageManager));
|
||||
if (mDefaultActionButtonContentDescription != 0) {
|
||||
CharSequence label = activity.loadLabel(packageManager);
|
||||
String contentDescription = mContext.getString(
|
||||
mDefaultActionButtonContentDescription, label);
|
||||
mDefaultActivityButton.setContentDescription(contentDescription);
|
||||
}
|
||||
} else {
|
||||
mDefaultActivityButton.setVisibility(View.GONE);
|
||||
}
|
||||
// Activity chooser content.
|
||||
if (mDefaultActivityButton.getVisibility() == VISIBLE) {
|
||||
mActivityChooserContent.setBackgroundDrawable(mActivityChooserContentBackground);
|
||||
} else {
|
||||
mActivityChooserContent.setBackgroundDrawable(null);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Interface implementation to avoid publishing them in the APIs.
|
||||
*/
|
||||
private class Callbacks implements AdapterView.OnItemClickListener,
|
||||
View.OnClickListener, View.OnLongClickListener, PopupWindow.OnDismissListener {
|
||||
|
||||
// AdapterView#OnItemClickListener
|
||||
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
|
||||
ActivityChooserViewAdapter adapter = (ActivityChooserViewAdapter) parent.getAdapter();
|
||||
final int itemViewType = adapter.getItemViewType(position);
|
||||
switch (itemViewType) {
|
||||
case ActivityChooserViewAdapter.ITEM_VIEW_TYPE_FOOTER: {
|
||||
showPopupUnchecked(ActivityChooserViewAdapter.MAX_ACTIVITY_COUNT_UNLIMITED);
|
||||
} break;
|
||||
case ActivityChooserViewAdapter.ITEM_VIEW_TYPE_ACTIVITY: {
|
||||
dismissPopup();
|
||||
if (mIsSelectingDefaultActivity) {
|
||||
// The item at position zero is the default already.
|
||||
if (position > 0) {
|
||||
mAdapter.getDataModel().setDefaultActivity(position);
|
||||
}
|
||||
} else {
|
||||
// If the default target is not shown in the list, the first
|
||||
// item in the model is default action => adjust index
|
||||
position = mAdapter.getShowDefaultActivity() ? position : position + 1;
|
||||
Intent launchIntent = mAdapter.getDataModel().chooseActivity(position);
|
||||
if (launchIntent != null) {
|
||||
mContext.startActivity(launchIntent);
|
||||
}
|
||||
}
|
||||
} break;
|
||||
default:
|
||||
throw new IllegalArgumentException();
|
||||
}
|
||||
}
|
||||
|
||||
// View.OnClickListener
|
||||
public void onClick(View view) {
|
||||
if (view == mDefaultActivityButton) {
|
||||
dismissPopup();
|
||||
ResolveInfo defaultActivity = mAdapter.getDefaultActivity();
|
||||
final int index = mAdapter.getDataModel().getActivityIndex(defaultActivity);
|
||||
Intent launchIntent = mAdapter.getDataModel().chooseActivity(index);
|
||||
if (launchIntent != null) {
|
||||
mContext.startActivity(launchIntent);
|
||||
}
|
||||
} else if (view == mExpandActivityOverflowButton) {
|
||||
mIsSelectingDefaultActivity = false;
|
||||
showPopupUnchecked(mInitialActivityCount);
|
||||
} else {
|
||||
throw new IllegalArgumentException();
|
||||
}
|
||||
}
|
||||
|
||||
// OnLongClickListener#onLongClick
|
||||
@Override
|
||||
public boolean onLongClick(View view) {
|
||||
if (view == mDefaultActivityButton) {
|
||||
if (mAdapter.getCount() > 0) {
|
||||
mIsSelectingDefaultActivity = true;
|
||||
showPopupUnchecked(mInitialActivityCount);
|
||||
}
|
||||
} else {
|
||||
throw new IllegalArgumentException();
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
// PopUpWindow.OnDismissListener#onDismiss
|
||||
public void onDismiss() {
|
||||
notifyOnDismissListener();
|
||||
if (mProvider != null) {
|
||||
mProvider.subUiVisibilityChanged(false);
|
||||
}
|
||||
}
|
||||
|
||||
private void notifyOnDismissListener() {
|
||||
if (mOnDismissListener != null) {
|
||||
mOnDismissListener.onDismiss();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private static class SetActivated {
|
||||
public static void invoke(View view, boolean activated) {
|
||||
view.setActivated(activated);
|
||||
}
|
||||
}
|
||||
|
||||
private static final boolean IS_HONEYCOMB = Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB;
|
||||
|
||||
/**
|
||||
* Adapter for backing the list of activities shown in the popup.
|
||||
*/
|
||||
private class ActivityChooserViewAdapter extends BaseAdapter {
|
||||
|
||||
public static final int MAX_ACTIVITY_COUNT_UNLIMITED = Integer.MAX_VALUE;
|
||||
|
||||
public static final int MAX_ACTIVITY_COUNT_DEFAULT = 4;
|
||||
|
||||
private static final int ITEM_VIEW_TYPE_ACTIVITY = 0;
|
||||
|
||||
private static final int ITEM_VIEW_TYPE_FOOTER = 1;
|
||||
|
||||
private static final int ITEM_VIEW_TYPE_COUNT = 3;
|
||||
|
||||
private ActivityChooserModel mDataModel;
|
||||
|
||||
private int mMaxActivityCount = MAX_ACTIVITY_COUNT_DEFAULT;
|
||||
|
||||
private boolean mShowDefaultActivity;
|
||||
|
||||
private boolean mHighlightDefaultActivity;
|
||||
|
||||
private boolean mShowFooterView;
|
||||
|
||||
public void setDataModel(ActivityChooserModel dataModel) {
|
||||
ActivityChooserModel oldDataModel = mAdapter.getDataModel();
|
||||
if (oldDataModel != null && isShown()) {
|
||||
oldDataModel.unregisterObserver(mModelDataSetOberver);
|
||||
}
|
||||
mDataModel = dataModel;
|
||||
if (dataModel != null && isShown()) {
|
||||
dataModel.registerObserver(mModelDataSetOberver);
|
||||
}
|
||||
notifyDataSetChanged();
|
||||
}
|
||||
|
||||
@Override
|
||||
public int getItemViewType(int position) {
|
||||
if (mShowFooterView && position == getCount() - 1) {
|
||||
return ITEM_VIEW_TYPE_FOOTER;
|
||||
} else {
|
||||
return ITEM_VIEW_TYPE_ACTIVITY;
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public int getViewTypeCount() {
|
||||
return ITEM_VIEW_TYPE_COUNT;
|
||||
}
|
||||
|
||||
public int getCount() {
|
||||
int count = 0;
|
||||
int activityCount = mDataModel.getActivityCount();
|
||||
if (!mShowDefaultActivity && mDataModel.getDefaultActivity() != null) {
|
||||
activityCount--;
|
||||
}
|
||||
count = Math.min(activityCount, mMaxActivityCount);
|
||||
if (mShowFooterView) {
|
||||
count++;
|
||||
}
|
||||
return count;
|
||||
}
|
||||
|
||||
public Object getItem(int position) {
|
||||
final int itemViewType = getItemViewType(position);
|
||||
switch (itemViewType) {
|
||||
case ITEM_VIEW_TYPE_FOOTER:
|
||||
return null;
|
||||
case ITEM_VIEW_TYPE_ACTIVITY:
|
||||
if (!mShowDefaultActivity && mDataModel.getDefaultActivity() != null) {
|
||||
position++;
|
||||
}
|
||||
return mDataModel.getActivity(position);
|
||||
default:
|
||||
throw new IllegalArgumentException();
|
||||
}
|
||||
}
|
||||
|
||||
public long getItemId(int position) {
|
||||
return position;
|
||||
}
|
||||
|
||||
public View getView(int position, View convertView, ViewGroup parent) {
|
||||
final int itemViewType = getItemViewType(position);
|
||||
switch (itemViewType) {
|
||||
case ITEM_VIEW_TYPE_FOOTER:
|
||||
if (convertView == null || convertView.getId() != ITEM_VIEW_TYPE_FOOTER) {
|
||||
convertView = LayoutInflater.from(getContext()).inflate(
|
||||
R.layout.abs__activity_chooser_view_list_item, parent, false);
|
||||
convertView.setId(ITEM_VIEW_TYPE_FOOTER);
|
||||
TextView titleView = (TextView) convertView.findViewById(R.id.abs__title);
|
||||
titleView.setText(mContext.getString(
|
||||
R.string.abs__activity_chooser_view_see_all));
|
||||
}
|
||||
return convertView;
|
||||
case ITEM_VIEW_TYPE_ACTIVITY:
|
||||
if (convertView == null || convertView.getId() != R.id.abs__list_item) {
|
||||
convertView = LayoutInflater.from(getContext()).inflate(
|
||||
R.layout.abs__activity_chooser_view_list_item, parent, false);
|
||||
}
|
||||
PackageManager packageManager = mContext.getPackageManager();
|
||||
// Set the icon
|
||||
ImageView iconView = (ImageView) convertView.findViewById(R.id.abs__icon);
|
||||
ResolveInfo activity = (ResolveInfo) getItem(position);
|
||||
iconView.setImageDrawable(activity.loadIcon(packageManager));
|
||||
// Set the title.
|
||||
TextView titleView = (TextView) convertView.findViewById(R.id.abs__title);
|
||||
titleView.setText(activity.loadLabel(packageManager));
|
||||
if (IS_HONEYCOMB) {
|
||||
// Highlight the default.
|
||||
if (mShowDefaultActivity && position == 0 && mHighlightDefaultActivity) {
|
||||
SetActivated.invoke(convertView, true);
|
||||
} else {
|
||||
SetActivated.invoke(convertView, false);
|
||||
}
|
||||
}
|
||||
return convertView;
|
||||
default:
|
||||
throw new IllegalArgumentException();
|
||||
}
|
||||
}
|
||||
|
||||
public int measureContentWidth() {
|
||||
// The user may have specified some of the target not to be shown but we
|
||||
// want to measure all of them since after expansion they should fit.
|
||||
final int oldMaxActivityCount = mMaxActivityCount;
|
||||
mMaxActivityCount = MAX_ACTIVITY_COUNT_UNLIMITED;
|
||||
|
||||
int contentWidth = 0;
|
||||
View itemView = null;
|
||||
|
||||
final int widthMeasureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
|
||||
final int heightMeasureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
|
||||
final int count = getCount();
|
||||
|
||||
for (int i = 0; i < count; i++) {
|
||||
itemView = getView(i, itemView, null);
|
||||
itemView.measure(widthMeasureSpec, heightMeasureSpec);
|
||||
contentWidth = Math.max(contentWidth, itemView.getMeasuredWidth());
|
||||
}
|
||||
|
||||
mMaxActivityCount = oldMaxActivityCount;
|
||||
|
||||
return contentWidth;
|
||||
}
|
||||
|
||||
public void setMaxActivityCount(int maxActivityCount) {
|
||||
if (mMaxActivityCount != maxActivityCount) {
|
||||
mMaxActivityCount = maxActivityCount;
|
||||
notifyDataSetChanged();
|
||||
}
|
||||
}
|
||||
|
||||
public ResolveInfo getDefaultActivity() {
|
||||
return mDataModel.getDefaultActivity();
|
||||
}
|
||||
|
||||
public void setShowFooterView(boolean showFooterView) {
|
||||
if (mShowFooterView != showFooterView) {
|
||||
mShowFooterView = showFooterView;
|
||||
notifyDataSetChanged();
|
||||
}
|
||||
}
|
||||
|
||||
public int getActivityCount() {
|
||||
return mDataModel.getActivityCount();
|
||||
}
|
||||
|
||||
public int getHistorySize() {
|
||||
return mDataModel.getHistorySize();
|
||||
}
|
||||
|
||||
public int getMaxActivityCount() {
|
||||
return mMaxActivityCount;
|
||||
}
|
||||
|
||||
public ActivityChooserModel getDataModel() {
|
||||
return mDataModel;
|
||||
}
|
||||
|
||||
public void setShowDefaultActivity(boolean showDefaultActivity,
|
||||
boolean highlightDefaultActivity) {
|
||||
if (mShowDefaultActivity != showDefaultActivity
|
||||
|| mHighlightDefaultActivity != highlightDefaultActivity) {
|
||||
mShowDefaultActivity = showDefaultActivity;
|
||||
mHighlightDefaultActivity = highlightDefaultActivity;
|
||||
notifyDataSetChanged();
|
||||
}
|
||||
}
|
||||
|
||||
public boolean getShowDefaultActivity() {
|
||||
return mShowDefaultActivity;
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user