mirror of
https://github.com/LawnchairLauncher/lawnchair.git
synced 2026-03-01 08:16:49 +00:00
796 lines
30 KiB
Java
796 lines
30 KiB
Java
/*
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* Copyright (C) 2010 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.launcher2;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Comparator;
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import java.util.List;
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import android.appwidget.AppWidgetManager;
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import android.appwidget.AppWidgetProviderInfo;
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import android.content.ComponentName;
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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.graphics.Bitmap;
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import android.graphics.Bitmap.Config;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Rect;
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import android.graphics.Region.Op;
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import android.graphics.drawable.Drawable;
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import android.util.AttributeSet;
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import android.util.Log;
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import android.view.ActionMode;
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import android.view.Gravity;
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import android.view.LayoutInflater;
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import android.view.Menu;
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import android.view.MenuItem;
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import android.view.View;
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import android.widget.ImageView;
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import android.widget.LinearLayout;
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import android.widget.TextView;
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import com.android.launcher.R;
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public class CustomizePagedView extends PagedView
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implements View.OnLongClickListener, View.OnClickListener,
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DragSource, ActionMode.Callback {
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public enum CustomizationType {
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WidgetCustomization,
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ShortcutCustomization,
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WallpaperCustomization,
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ApplicationCustomization
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}
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private static final String TAG = "CustomizeWorkspace";
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private static final boolean DEBUG = false;
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private Launcher mLauncher;
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private DragController mDragController;
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private PackageManager mPackageManager;
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private CustomizationType mCustomizationType;
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// The layout used to emulate the workspace in resolve the cell dimensions of a widget
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private PagedViewCellLayout mWorkspaceWidgetLayout;
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// The mapping between the pages and the widgets that will be laid out on them
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private ArrayList<ArrayList<AppWidgetProviderInfo>> mWidgetPages;
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// The max dimensions for the ImageView we use for displaying the widget
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private int mMaxWidgetWidth;
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// The max number of widget cells to take a "page" of widget
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private int mMaxWidgetsCellHSpan;
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// The raw sources of data for each of the different tabs of the customization page
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private List<AppWidgetProviderInfo> mWidgetList;
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private List<ResolveInfo> mShortcutList;
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private List<ResolveInfo> mWallpaperList;
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private List<ApplicationInfo> mApps;
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private static final int sMinWidgetCellHSpan = 2;
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private static final int sMaxWidgetCellHSpan = 4;
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private int mChoiceModeTitleText;
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// The scale factor for widget previews inside the widget drawer
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private static final float sScaleFactor = 0.75f;
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private final Canvas mCanvas = new Canvas();
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private final LayoutInflater mInflater;
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public CustomizePagedView(Context context) {
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this(context, null, 0);
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}
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public CustomizePagedView(Context context, AttributeSet attrs) {
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this(context, attrs, 0);
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}
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public CustomizePagedView(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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TypedArray a;
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a = context.obtainStyledAttributes(attrs, R.styleable.CustomizePagedView,
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defStyle, 0);
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mMaxWidgetsCellHSpan = a.getInt(R.styleable.CustomizePagedView_widgetCellCountX, 8);
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a.recycle();
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a = context.obtainStyledAttributes(attrs, R.styleable.PagedView, defStyle, 0);
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mCellCountX = a.getInt(R.styleable.PagedView_cellCountX, 7);
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mCellCountY = a.getInt(R.styleable.PagedView_cellCountY, 4);
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a.recycle();
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mCustomizationType = CustomizationType.WidgetCustomization;
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mWidgetPages = new ArrayList<ArrayList<AppWidgetProviderInfo>>();
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mWorkspaceWidgetLayout = new PagedViewCellLayout(context);
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mInflater = LayoutInflater.from(context);
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setVisibility(View.GONE);
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setSoundEffectsEnabled(false);
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setupWorkspaceLayout();
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}
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@Override
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protected void init() {
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super.init();
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mCenterPagesVertically = false;
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}
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public void setLauncher(Launcher launcher) {
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Context context = getContext();
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mLauncher = launcher;
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mPackageManager = context.getPackageManager();
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}
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/**
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* Sets the list of applications that launcher has loaded.
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*/
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public void setApps(ArrayList<ApplicationInfo> list) {
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mApps = list;
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Collections.sort(mApps, LauncherModel.APP_NAME_COMPARATOR);
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// Update the widgets/shortcuts to reflect changes in the set of available apps
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invalidatePageDataAndIconCache();
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}
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/**
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* Convenience function to add new items to the set of applications that were previously loaded.
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* Called by both updateApps() and setApps().
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*/
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private void addAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) {
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// we add it in place, in alphabetical order
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final int count = list.size();
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for (int i = 0; i < count; ++i) {
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final ApplicationInfo info = list.get(i);
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final int index = Collections.binarySearch(mApps, info, LauncherModel.APP_NAME_COMPARATOR);
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if (index < 0) {
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mApps.add(-(index + 1), info);
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}
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}
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}
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/**
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* Adds new applications to the loaded list, and notifies the paged view to update itself.
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*/
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public void addApps(ArrayList<ApplicationInfo> list) {
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addAppsWithoutInvalidate(list);
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// Update the widgets/shortcuts to reflect changes in the set of available apps
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invalidatePageDataAndIconCache();
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}
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/**
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* Convenience function to remove items to the set of applications that were previously loaded.
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* Called by both updateApps() and removeApps().
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*/
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private void removeAppsWithoutInvalidate(ArrayList<ApplicationInfo> list) {
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// loop through all the apps and remove apps that have the same component
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final int length = list.size();
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for (int i = 0; i < length; ++i) {
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final ApplicationInfo info = list.get(i);
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int removeIndex = findAppByComponent(mApps, info);
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if (removeIndex > -1) {
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mApps.remove(removeIndex);
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mPageViewIconCache.removeOutline(info);
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}
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}
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}
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/**
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* Removes applications from the loaded list, and notifies the paged view to update itself.
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*/
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public void removeApps(ArrayList<ApplicationInfo> list) {
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removeAppsWithoutInvalidate(list);
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// Update the widgets/shortcuts to reflect changes in the set of available apps
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invalidatePageDataAndIconCache();
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}
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/**
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* Updates a set of applications from the loaded list, and notifies the paged view to update
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* itself.
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*/
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public void updateApps(ArrayList<ApplicationInfo> list) {
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// We remove and re-add the updated applications list because it's properties may have
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// changed (ie. the title), and this will ensure that the items will be in their proper
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// place in the list.
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removeAppsWithoutInvalidate(list);
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addAppsWithoutInvalidate(list);
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// Update the widgets/shortcuts to reflect changes in the set of available apps
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invalidatePageDataAndIconCache();
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}
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/**
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* Convenience function to find matching ApplicationInfos for removal.
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*/
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private int findAppByComponent(List<ApplicationInfo> list, ApplicationInfo item) {
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ComponentName removeComponent = item.intent.getComponent();
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final int length = list.size();
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for (int i = 0; i < length; ++i) {
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ApplicationInfo info = list.get(i);
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if (info.intent.getComponent().equals(removeComponent)) {
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return i;
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}
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}
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return -1;
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}
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public void update() {
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// get the list of widgets
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mWidgetList = AppWidgetManager.getInstance(mLauncher).getInstalledProviders();
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Collections.sort(mWidgetList, new Comparator<AppWidgetProviderInfo>() {
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@Override
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public int compare(AppWidgetProviderInfo object1, AppWidgetProviderInfo object2) {
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return object1.label.compareTo(object2.label);
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}
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});
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Comparator<ResolveInfo> resolveInfoComparator = new Comparator<ResolveInfo>() {
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@Override
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public int compare(ResolveInfo object1, ResolveInfo object2) {
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return object1.loadLabel(mPackageManager).toString().compareTo(
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object2.loadLabel(mPackageManager).toString());
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}
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};
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// get the list of shortcuts
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Intent shortcutsIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT);
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mShortcutList = mPackageManager.queryIntentActivities(shortcutsIntent, 0);
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Collections.sort(mShortcutList, resolveInfoComparator);
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// get the list of wallpapers
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Intent wallpapersIntent = new Intent(Intent.ACTION_SET_WALLPAPER);
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mWallpaperList = mPackageManager.queryIntentActivities(wallpapersIntent, 0);
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Collections.sort(mWallpaperList, resolveInfoComparator);
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invalidatePageDataAndIconCache();
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}
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private void invalidatePageDataAndIconCache() {
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// Reset the icon cache
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mPageViewIconCache.clear();
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// Refresh all the tabs
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invalidatePageData();
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}
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public void setDragController(DragController dragger) {
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mDragController = dragger;
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}
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public void setCustomizationFilter(CustomizationType filterType) {
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mCustomizationType = filterType;
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setCurrentPage(0);
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invalidatePageData();
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// End the current choice mode so that we don't carry selections across tabs
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endChoiceMode();
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}
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@Override
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public void onDropCompleted(View target, boolean success) {
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mLauncher.getWorkspace().onDragStopped();
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}
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@Override
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public void onClick(View v) {
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if (!v.isInTouchMode()) {
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return;
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}
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// On certain pages, we allow single tap to mark items as selected so that they can be
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// dropped onto the mini workspaces
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boolean enterChoiceMode = false;
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switch (mCustomizationType) {
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case WidgetCustomization:
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mChoiceModeTitleText = R.string.cab_widget_selection_text;
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enterChoiceMode = true;
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break;
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case ApplicationCustomization:
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mChoiceModeTitleText = R.string.cab_app_selection_text;
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enterChoiceMode = true;
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break;
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case ShortcutCustomization:
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mChoiceModeTitleText = R.string.cab_shortcut_selection_text;
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enterChoiceMode = true;
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break;
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default:
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break;
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}
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if (enterChoiceMode) {
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final ItemInfo itemInfo = (ItemInfo) v.getTag();
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Workspace w = mLauncher.getWorkspace();
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int currentWorkspaceScreen = mLauncher.getCurrentWorkspaceScreen();
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final CellLayout cl = (CellLayout)w.getChildAt(currentWorkspaceScreen);
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animateClickFeedback(v, new Runnable() {
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@Override
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public void run() {
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mLauncher.addExternalItemToScreen(itemInfo, cl);
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}
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});
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return;
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}
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// Otherwise, we just handle the single click here
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switch (mCustomizationType) {
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case WallpaperCustomization:
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// animate some feedback to the long press
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final View clickView = v;
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animateClickFeedback(v, new Runnable() {
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@Override
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public void run() {
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// add the shortcut
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ResolveInfo info = (ResolveInfo) clickView.getTag();
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Intent createWallpapersIntent = new Intent(Intent.ACTION_SET_WALLPAPER);
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ComponentName name = new ComponentName(info.activityInfo.packageName,
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info.activityInfo.name);
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createWallpapersIntent.setComponent(name);
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mLauncher.processWallpaper(createWallpapersIntent);
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}
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});
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break;
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default:
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break;
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}
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}
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@Override
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public boolean onLongClick(View v) {
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if (!v.isInTouchMode()) {
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return false;
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}
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// End the current choice mode before we start dragging anything
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if (isChoiceMode(CHOICE_MODE_SINGLE)) {
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endChoiceMode();
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}
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PendingAddItemInfo createItemInfo;
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switch (mCustomizationType) {
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case WidgetCustomization:
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// Get the icon as the drag representation
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final LinearLayout l = (LinearLayout) v;
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final Drawable icon = ((ImageView) l.findViewById(R.id.widget_preview)).getDrawable();
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Bitmap b = Bitmap.createBitmap(icon.getIntrinsicWidth(), icon.getIntrinsicHeight(),
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Bitmap.Config.ARGB_8888);
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Canvas c = new Canvas(b);
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icon.draw(c);
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PendingAddWidgetInfo createWidgetInfo = (PendingAddWidgetInfo) v.getTag();
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mLauncher.getWorkspace().onDragStartedWithItemMinSize(
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createWidgetInfo.minWidth, createWidgetInfo.minHeight);
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mDragController.startDrag(v, b, this, createWidgetInfo, DragController.DRAG_ACTION_COPY,
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null);
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// Cleanup the icon
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b.recycle();
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return true;
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case ShortcutCustomization:
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createItemInfo = (PendingAddItemInfo) v.getTag();
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mDragController.startDrag(
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v, this, createItemInfo, DragController.DRAG_ACTION_COPY, null);
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mLauncher.getWorkspace().onDragStartedWithItemSpans(1, 1);
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return true;
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case ApplicationCustomization:
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// Pick up the application for dropping
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ApplicationInfo app = (ApplicationInfo) v.getTag();
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app = new ApplicationInfo(app);
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mDragController.startDrag(v, this, app, DragController.DRAG_ACTION_COPY);
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mLauncher.getWorkspace().onDragStartedWithItemSpans(1, 1);
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return true;
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}
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return false;
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}
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/**
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* Pre-processes the layout of the different widget pages.
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* @return the number of pages of widgets that we have
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*/
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private int relayoutWidgets() {
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if (mWidgetList.isEmpty()) return 0;
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// create a new page for the first set of widgets
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ArrayList<AppWidgetProviderInfo> newPage = new ArrayList<AppWidgetProviderInfo>();
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mWidgetPages.clear();
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mWidgetPages.add(newPage);
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// do this until we have no more widgets to lay out
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final int maxNumCellsPerRow = mMaxWidgetsCellHSpan;
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final int widgetCount = mWidgetList.size();
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int numCellsInRow = 0;
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for (int i = 0; i < widgetCount; ++i) {
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final AppWidgetProviderInfo info = mWidgetList.get(i);
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// determine the size of the current widget
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int cellSpanX = Math.max(sMinWidgetCellHSpan, Math.min(sMaxWidgetCellHSpan,
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mWorkspaceWidgetLayout.estimateCellHSpan(info.minWidth)));
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// create a new page if necessary
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if ((numCellsInRow + cellSpanX) > maxNumCellsPerRow) {
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numCellsInRow = 0;
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newPage = new ArrayList<AppWidgetProviderInfo>();
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mWidgetPages.add(newPage);
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}
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// add the item to the current page
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newPage.add(info);
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numCellsInRow += cellSpanX;
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}
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return mWidgetPages.size();
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}
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/**
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* Helper function to draw a drawable to the specified canvas with the specified bounds.
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*/
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private void renderDrawableToBitmap(Drawable d, Bitmap bitmap, int l, int t, int r, int b) {
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if (bitmap != null) mCanvas.setBitmap(bitmap);
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mCanvas.save();
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d.setBounds(l, t, r, b);
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d.draw(mCanvas);
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mCanvas.restore();
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}
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/**
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* This method will extract the preview image specified by the widget developer (if it exists),
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* otherwise, it will try to generate a default image preview with the widget's package icon.
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* @return the drawable will be used and sized in the ImageView to represent the widget
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*/
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private Drawable getWidgetIcon(AppWidgetProviderInfo info) {
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PackageManager packageManager = mLauncher.getPackageManager();
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String packageName = info.provider.getPackageName();
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Drawable drawable = null;
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if (info.previewImage != 0) {
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drawable = packageManager.getDrawable(packageName, info.previewImage, null);
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if (drawable == null) {
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Log.w(TAG, "Can't load icon drawable 0x" + Integer.toHexString(info.icon)
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+ " for provider: " + info.provider);
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}
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}
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// If we don't have a preview image, create a default one
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final int minDim = mWorkspaceWidgetLayout.estimateCellWidth(1);
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final int maxDim = mWorkspaceWidgetLayout.estimateCellWidth(3);
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if (drawable == null) {
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Resources resources = mLauncher.getResources();
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// Create a new bitmap to hold the widget preview
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int width = (int) (Math.max(minDim, Math.min(maxDim, info.minWidth)) * sScaleFactor);
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int height = (int) (Math.max(minDim, Math.min(maxDim, info.minHeight)) * sScaleFactor);
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final Bitmap bitmap = Bitmap.createBitmap(width, height, Config.ARGB_8888);
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final Drawable background = resources.getDrawable(R.drawable.default_widget_preview);
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renderDrawableToBitmap(background, bitmap, 0, 0, width, height);
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// Draw the icon vertically centered, flush left
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try {
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Rect tmpRect = new Rect();
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Drawable icon = null;
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if (info.icon > 0) {
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icon = packageManager.getDrawable(packageName, info.icon, null);
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}
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if (icon == null) {
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icon = resources.getDrawable(R.drawable.ic_launcher_application);
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}
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background.getPadding(tmpRect);
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final int iconSize = minDim / 2;
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final int offset = iconSize / 4;
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final int offsetIconSize = offset + iconSize;
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renderDrawableToBitmap(icon, null, offset, offset, offsetIconSize, offsetIconSize);
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} catch (Resources.NotFoundException e) {
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// if we can't find the icon, then just don't draw it
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}
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drawable = new FastBitmapDrawable(bitmap);
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} else {
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// Scale down the preview if necessary
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final float aspect = (float) info.minWidth / info.minHeight;
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final int boundedWidth = (int) Math.max(minDim, Math.min(maxDim, info.minWidth));
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final int boundedHeight = (int) Math.max(minDim, Math.min(maxDim, info.minHeight));
|
|
final int scaledWidth = (int) (boundedWidth * sScaleFactor);
|
|
final int scaledHeight = (int) (boundedHeight * sScaleFactor);
|
|
int width;
|
|
int height;
|
|
if (scaledWidth > scaledHeight) {
|
|
width = scaledWidth;
|
|
height = (int) (width / aspect);
|
|
} else {
|
|
height = scaledHeight;
|
|
width = (int) (height * aspect);
|
|
}
|
|
|
|
final Bitmap bitmap = Bitmap.createBitmap(width, height, Config.ARGB_8888);
|
|
renderDrawableToBitmap(drawable, bitmap, 0, 0, width, height);
|
|
|
|
drawable = new FastBitmapDrawable(bitmap);
|
|
}
|
|
drawable.setBounds(0, 0, drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight());
|
|
return drawable;
|
|
}
|
|
|
|
private void setupPage(PagedViewCellLayout layout) {
|
|
layout.setCellCount(mCellCountX, mCellCountY);
|
|
layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop, mPageLayoutPaddingRight,
|
|
mPageLayoutPaddingBottom);
|
|
layout.setGap(mPageLayoutWidthGap, mPageLayoutHeightGap);
|
|
}
|
|
|
|
private void setupWorkspaceLayout() {
|
|
mWorkspaceWidgetLayout.setCellCount(mCellCountX, mCellCountY);
|
|
mWorkspaceWidgetLayout.setPadding(20, 10, 20, 0);
|
|
|
|
mMaxWidgetWidth = mWorkspaceWidgetLayout.estimateCellWidth(sMaxWidgetCellHSpan);
|
|
}
|
|
|
|
private void syncWidgetPages() {
|
|
if (mWidgetList == null) return;
|
|
|
|
// we need to repopulate with the LinearLayout layout for the widget pages
|
|
removeAllViews();
|
|
int numPages = relayoutWidgets();
|
|
for (int i = 0; i < numPages; ++i) {
|
|
LinearLayout layout = new PagedViewWidgetLayout(getContext());
|
|
layout.setGravity(Gravity.CENTER_HORIZONTAL);
|
|
layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop,
|
|
mPageLayoutPaddingRight, mPageLayoutPaddingBottom);
|
|
|
|
// Temporary change to prevent the last page from being too small (and items bleeding
|
|
// onto it). We can remove this once we properly fix the fading algorithm
|
|
if (i < numPages - 1) {
|
|
addView(layout, new LinearLayout.LayoutParams(
|
|
LinearLayout.LayoutParams.WRAP_CONTENT,
|
|
LinearLayout.LayoutParams.MATCH_PARENT));
|
|
} else {
|
|
addView(layout, new LinearLayout.LayoutParams(
|
|
LinearLayout.LayoutParams.MATCH_PARENT,
|
|
LinearLayout.LayoutParams.MATCH_PARENT));
|
|
}
|
|
}
|
|
}
|
|
|
|
private void syncWidgetPageItems(int page) {
|
|
// ensure that we have the right number of items on the pages
|
|
LinearLayout layout = (LinearLayout) getChildAt(page);
|
|
final ArrayList<AppWidgetProviderInfo> list = mWidgetPages.get(page);
|
|
final int count = list.size();
|
|
layout.removeAllViews();
|
|
for (int i = 0; i < count; ++i) {
|
|
final AppWidgetProviderInfo info = (AppWidgetProviderInfo) list.get(i);
|
|
final PendingAddWidgetInfo createItemInfo = new PendingAddWidgetInfo(info, null, null);
|
|
|
|
LinearLayout l = (LinearLayout) mInflater.inflate(
|
|
R.layout.customize_paged_view_widget, layout, false);
|
|
l.setTag(createItemInfo);
|
|
l.setOnClickListener(this);
|
|
l.setOnLongClickListener(this);
|
|
|
|
final Drawable icon = getWidgetIcon(info);
|
|
|
|
int[] spans = CellLayout.rectToCell(getResources(), info.minWidth, info.minHeight, null);
|
|
final int hSpan = spans[0];
|
|
final int vSpan = spans[1];
|
|
|
|
ImageView image = (ImageView) l.findViewById(R.id.widget_preview);
|
|
image.setMaxWidth(mMaxWidgetWidth);
|
|
image.setImageDrawable(icon);
|
|
TextView name = (TextView) l.findViewById(R.id.widget_name);
|
|
name.setText(info.label);
|
|
TextView dims = (TextView) l.findViewById(R.id.widget_dims);
|
|
dims.setText(mContext.getString(R.string.widget_dims_format, hSpan, vSpan));
|
|
|
|
layout.addView(l);
|
|
}
|
|
}
|
|
|
|
private void syncListPages(List<ResolveInfo> list) {
|
|
// we need to repopulate with PagedViewCellLayouts
|
|
removeAllViews();
|
|
|
|
// ensure that we have the right number of pages
|
|
int numPages = (int) Math.ceil((float) list.size() / (mCellCountX * mCellCountY));
|
|
for (int i = 0; i < numPages; ++i) {
|
|
PagedViewCellLayout layout = new PagedViewCellLayout(getContext());
|
|
setupPage(layout);
|
|
addView(layout);
|
|
}
|
|
}
|
|
|
|
private void syncListPageItems(int page, List<ResolveInfo> list) {
|
|
// ensure that we have the right number of items on the pages
|
|
int numCells = mCellCountX * mCellCountY;
|
|
int startIndex = page * numCells;
|
|
int endIndex = Math.min(startIndex + numCells, list.size());
|
|
PagedViewCellLayout layout = (PagedViewCellLayout) getChildAt(page);
|
|
// TODO: we can optimize by just re-applying to existing views
|
|
layout.removeAllViews();
|
|
for (int i = startIndex; i < endIndex; ++i) {
|
|
ResolveInfo info = list.get(i);
|
|
PendingAddItemInfo createItemInfo = new PendingAddItemInfo();
|
|
|
|
PagedViewIcon icon = (PagedViewIcon) mInflater.inflate(
|
|
R.layout.customize_paged_view_item, layout, false);
|
|
icon.applyFromResolveInfo(info, mPackageManager, mPageViewIconCache,
|
|
((LauncherApplication)mLauncher.getApplication()).getIconCache());
|
|
switch (mCustomizationType) {
|
|
case WallpaperCustomization:
|
|
icon.setOnClickListener(this);
|
|
break;
|
|
case ShortcutCustomization:
|
|
createItemInfo.itemType = LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT;
|
|
createItemInfo.componentName = new ComponentName(info.activityInfo.packageName,
|
|
info.activityInfo.name);
|
|
icon.setTag(createItemInfo);
|
|
icon.setOnClickListener(this);
|
|
icon.setOnLongClickListener(this);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
final int index = i - startIndex;
|
|
final int x = index % mCellCountX;
|
|
final int y = index / mCellCountX;
|
|
setupPage(layout);
|
|
layout.addViewToCellLayout(icon, -1, i, new PagedViewCellLayout.LayoutParams(x,y, 1,1));
|
|
}
|
|
}
|
|
|
|
private void syncAppPages() {
|
|
if (mApps == null) return;
|
|
|
|
// We need to repopulate with PagedViewCellLayouts
|
|
removeAllViews();
|
|
|
|
// Ensure that we have the right number of pages
|
|
int numPages = (int) Math.ceil((float) mApps.size() / (mCellCountX * mCellCountY));
|
|
for (int i = 0; i < numPages; ++i) {
|
|
PagedViewCellLayout layout = new PagedViewCellLayout(getContext());
|
|
setupPage(layout);
|
|
addView(layout);
|
|
}
|
|
}
|
|
|
|
private void syncAppPageItems(int page) {
|
|
if (mApps == null) return;
|
|
|
|
// ensure that we have the right number of items on the pages
|
|
int numCells = mCellCountX * mCellCountY;
|
|
int startIndex = page * numCells;
|
|
int endIndex = Math.min(startIndex + numCells, mApps.size());
|
|
PagedViewCellLayout layout = (PagedViewCellLayout) getChildAt(page);
|
|
// TODO: we can optimize by just re-applying to existing views
|
|
layout.removeAllViews();
|
|
for (int i = startIndex; i < endIndex; ++i) {
|
|
final ApplicationInfo info = mApps.get(i);
|
|
PagedViewIcon icon = (PagedViewIcon) mInflater.inflate(
|
|
R.layout.all_apps_paged_view_application, layout, false);
|
|
icon.applyFromApplicationInfo(info, mPageViewIconCache, true);
|
|
icon.setOnClickListener(this);
|
|
icon.setOnLongClickListener(this);
|
|
|
|
final int index = i - startIndex;
|
|
final int x = index % mCellCountX;
|
|
final int y = index / mCellCountX;
|
|
setupPage(layout);
|
|
layout.addViewToCellLayout(icon, -1, i, new PagedViewCellLayout.LayoutParams(x,y, 1,1));
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void syncPages() {
|
|
boolean centerPagedViewCellLayouts = false;
|
|
switch (mCustomizationType) {
|
|
case WidgetCustomization:
|
|
syncWidgetPages();
|
|
break;
|
|
case ShortcutCustomization:
|
|
syncListPages(mShortcutList);
|
|
centerPagedViewCellLayouts = true;
|
|
break;
|
|
case WallpaperCustomization:
|
|
syncListPages(mWallpaperList);
|
|
centerPagedViewCellLayouts = true;
|
|
break;
|
|
case ApplicationCustomization:
|
|
syncAppPages();
|
|
centerPagedViewCellLayouts = false;
|
|
break;
|
|
default:
|
|
removeAllViews();
|
|
setCurrentPage(0);
|
|
break;
|
|
}
|
|
|
|
// only try and center the page if there is one page
|
|
final int childCount = getChildCount();
|
|
if (centerPagedViewCellLayouts) {
|
|
if (childCount == 1) {
|
|
PagedViewCellLayout layout = (PagedViewCellLayout) getChildAt(0);
|
|
layout.enableCenteredContent(true);
|
|
} else {
|
|
for (int i = 0; i < childCount; ++i) {
|
|
PagedViewCellLayout layout = (PagedViewCellLayout) getChildAt(i);
|
|
layout.enableCenteredContent(false);
|
|
}
|
|
}
|
|
}
|
|
|
|
// bound the current page
|
|
setCurrentPage(Math.max(0, Math.min(childCount - 1, getCurrentPage())));
|
|
}
|
|
|
|
@Override
|
|
public void syncPageItems(int page) {
|
|
switch (mCustomizationType) {
|
|
case WidgetCustomization:
|
|
syncWidgetPageItems(page);
|
|
break;
|
|
case ShortcutCustomization:
|
|
syncListPageItems(page, mShortcutList);
|
|
break;
|
|
case WallpaperCustomization:
|
|
syncListPageItems(page, mWallpaperList);
|
|
break;
|
|
case ApplicationCustomization:
|
|
syncAppPageItems(page);
|
|
break;
|
|
}
|
|
}
|
|
|
|
@Override
|
|
protected int getAssociatedLowerPageBound(int page) {
|
|
return 0;
|
|
}
|
|
@Override
|
|
protected int getAssociatedUpperPageBound(int page) {
|
|
return getChildCount();
|
|
}
|
|
|
|
@Override
|
|
public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
|
|
mode.setTitle(mChoiceModeTitleText);
|
|
return true;
|
|
}
|
|
|
|
@Override
|
|
public boolean onCreateActionMode(ActionMode mode, Menu menu) {
|
|
return true;
|
|
}
|
|
|
|
@Override
|
|
public void onDestroyActionMode(ActionMode mode) {
|
|
endChoiceMode();
|
|
}
|
|
|
|
@Override
|
|
public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
|
|
return false;
|
|
}
|
|
}
|