466 lines
17 KiB
Java
466 lines
17 KiB
Java
/*
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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.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.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.Rect;
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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.Gravity;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.widget.Checkable;
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import android.widget.ImageView;
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import android.widget.TextView;
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import com.android.launcher.R;
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public class AppsCustomizePagedView extends PagedViewWithDraggableItems implements
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AllAppsView, View.OnClickListener, DragSource {
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static final String LOG_TAG = "AppsCustomizePagedView";
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/**
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* The different content types that this paged view can show.
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*/
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public enum ContentType {
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Applications,
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Widgets
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}
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// Refs
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private Launcher mLauncher;
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private DragController mDragController;
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private final LayoutInflater mLayoutInflater;
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private final PackageManager mPackageManager;
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// Content
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private ContentType mContentType;
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private ArrayList<ApplicationInfo> mApps;
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private List<AppWidgetProviderInfo> mWidgets;
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private List<ResolveInfo> mShortcuts;
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// Dimens
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private int mContentWidth;
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private float mWidgetScale;
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private PagedViewCellLayout mWidgetSpacingLayout;
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public AppsCustomizePagedView(Context context, AttributeSet attrs) {
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super(context, attrs);
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mLayoutInflater = LayoutInflater.from(context);
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mPackageManager = context.getPackageManager();
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mContentType = ContentType.Applications;
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mApps = new ArrayList<ApplicationInfo>();
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TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.PagedView, 0, 0);
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mCellCountX = a.getInt(R.styleable.PagedView_cellCountX, 6);
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mCellCountY = a.getInt(R.styleable.PagedView_cellCountY, 4);
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a.recycle();
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// Create a dummy page and set it up to find out the content width (used by our parent)
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PagedViewCellLayout layout = new PagedViewCellLayout(context);
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setupPage(layout);
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mContentWidth = layout.getContentWidth();
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// Create a dummy page that we can use to approximate the cell dimensions of widgets
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mWidgetSpacingLayout = new PagedViewCellLayout(context);
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mWidgetSpacingLayout.setCellCount(mCellCountX, mCellCountY);
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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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Context context = getContext();
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Resources r = context.getResources();
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setDragSlopeThreshold(r.getInteger(R.integer.config_appsCustomizeDragSlopeThreshold)/100f);
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}
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public void onPackagesUpdated() {
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// Get the list of widgets
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mWidgets = AppWidgetManager.getInstance(mLauncher).getInstalledProviders();
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Collections.sort(mWidgets, LauncherModel.WIDGET_NAME_COMPARATOR);
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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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mShortcuts = mPackageManager.queryIntentActivities(shortcutsIntent, 0);
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Collections.sort(mShortcuts, new LauncherModel.ShortcutNameComparator(mPackageManager));
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}
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@Override
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public void onClick(View v) {
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// Animate some feedback to the click
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final ApplicationInfo appInfo = (ApplicationInfo) v.getTag();
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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.startActivitySafely(appInfo.intent, appInfo);
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}
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});
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}
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/*
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* PagedViewWithDraggableItems implementation
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*/
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@Override
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protected void determineDraggingStart(android.view.MotionEvent ev) {
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// Disable dragging by pulling an app down for now.
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}
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@Override
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protected boolean beginDragging(View v) {
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if (!super.beginDragging(v)) return false;
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// Make a copy of the ApplicationInfo
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ApplicationInfo appInfo = new ApplicationInfo((ApplicationInfo) v.getTag());
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// Show the uninstall button if the app is uninstallable.
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if ((appInfo.flags & ApplicationInfo.DOWNLOADED_FLAG) != 0) {
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DeleteZone allAppsDeleteZone = (DeleteZone)
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mLauncher.findViewById(R.id.all_apps_delete_zone);
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allAppsDeleteZone.setDragAndDropEnabled(true);
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if ((appInfo.flags & ApplicationInfo.UPDATED_SYSTEM_APP_FLAG) != 0) {
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allAppsDeleteZone.setText(R.string.delete_zone_label_all_apps_system_app);
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} else {
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allAppsDeleteZone.setText(R.string.delete_zone_label_all_apps);
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}
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}
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// Show the info button
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ApplicationInfoDropTarget allAppsInfoButton =
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(ApplicationInfoDropTarget) mLauncher.findViewById(R.id.all_apps_info_target);
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allAppsInfoButton.setDragAndDropEnabled(true);
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// Compose the drag image (top compound drawable, index is 1)
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final TextView tv = (TextView) v;
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final Drawable icon = tv.getCompoundDrawables()[1];
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Bitmap b = Bitmap.createBitmap(v.getWidth(), v.getHeight(),
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Bitmap.Config.ARGB_8888);
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Canvas c = new Canvas(b);
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c.translate((v.getWidth() - icon.getIntrinsicWidth()) / 2, v.getPaddingTop());
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icon.draw(c);
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// Compose the visible rect of the drag image
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Rect dragRect = null;
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if (v instanceof TextView) {
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int iconSize = getResources().getDimensionPixelSize(R.dimen.app_icon_size);
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int top = v.getPaddingTop();
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int left = (b.getWidth() - iconSize) / 2;
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int right = left + iconSize;
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int bottom = top + iconSize;
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dragRect = new Rect(left, top, right, bottom);
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}
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// Start the drag
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mLauncher.lockScreenOrientation();
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mLauncher.getWorkspace().onDragStartedWithItemSpans(1, 1, b);
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mDragController.startDrag(v, b, this, appInfo, DragController.DRAG_ACTION_COPY, dragRect);
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b.recycle();
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// Hide the pane so that the user can drop onto the workspace
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mLauncher.showWorkspace(true);
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return true;
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}
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private void endDragging(boolean success) {
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post(new Runnable() {
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// Once the drag operation has fully completed, hence the post, we want to disable the
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// deleteZone and the appInfoButton in all apps, and re-enable the instance which
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// live in the workspace
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public void run() {
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// if onDestroy was called on Launcher, we might have already deleted the
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// all apps delete zone / info button, so check if they are null
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DeleteZone allAppsDeleteZone =
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(DeleteZone) mLauncher.findViewById(R.id.all_apps_delete_zone);
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ApplicationInfoDropTarget allAppsInfoButton =
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(ApplicationInfoDropTarget) mLauncher.findViewById(R.id.all_apps_info_target);
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if (allAppsDeleteZone != null) allAppsDeleteZone.setDragAndDropEnabled(false);
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if (allAppsInfoButton != null) allAppsInfoButton.setDragAndDropEnabled(false);
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}
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});
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mLauncher.getWorkspace().onDragStopped(success);
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mLauncher.unlockScreenOrientation();
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}
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/*
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* DragSource implementation
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*/
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@Override
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public void onDragViewVisible() {}
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@Override
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public void onDropCompleted(View target, Object dragInfo, boolean success) {
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endDragging(success);
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}
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public void setContentType(ContentType type) {
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mContentType = type;
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setCurrentPage(0);
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invalidatePageData();
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}
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/*
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* Apps PagedView implementation
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*/
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private void setupPage(PagedViewCellLayout layout) {
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layout.setCellCount(mCellCountX, mCellCountY);
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layout.setGap(mPageLayoutWidthGap, mPageLayoutHeightGap);
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layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop,
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mPageLayoutPaddingRight, mPageLayoutPaddingBottom);
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// We force a measure here to get around the fact that when we do layout calculations
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// immediately after syncing, we don't have a proper width.
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int widthSpec = MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.AT_MOST);
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int heightSpec = MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.AT_MOST);
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layout.measure(widthSpec, heightSpec);
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}
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public void syncAppsPages() {
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// Ensure that we have the right number of pages
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Context context = getContext();
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int numPages = (int) Math.ceil((float) mApps.size() / (mCellCountX * mCellCountY));
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for (int i = 0; i < numPages; ++i) {
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PagedViewCellLayout layout = new PagedViewCellLayout(context);
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setupPage(layout);
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addView(layout);
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}
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}
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public void syncAppsPageItems(int page) {
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// ensure that we have the right number of items on the pages
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int numPages = getPageCount();
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int numCells = mCellCountX * mCellCountY;
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int startIndex = page * numCells;
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int endIndex = Math.min(startIndex + numCells, mApps.size());
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PagedViewCellLayout layout = (PagedViewCellLayout) getChildAt(page);
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layout.removeAllViewsOnPage();
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for (int i = startIndex; i < endIndex; ++i) {
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ApplicationInfo info = mApps.get(i);
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PagedViewIcon icon = (PagedViewIcon) mLayoutInflater.inflate(
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R.layout.apps_customize_application, layout, false);
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icon.applyFromApplicationInfo(info, mPageViewIconCache, true, (numPages > 1));
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icon.setOnClickListener(this);
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icon.setOnLongClickListener(this);
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icon.setOnTouchListener(this);
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int index = i - startIndex;
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int x = index % mCellCountX;
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int y = index / mCellCountX;
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setupPage(layout);
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layout.addViewToCellLayout(icon, -1, i, new PagedViewCellLayout.LayoutParams(x,y, 1,1));
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}
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}
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/*
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* Widgets PagedView implementation
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*/
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private void setupPage(PagedViewExtendedLayout layout) {
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layout.setGravity(Gravity.LEFT);
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layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop,
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mPageLayoutPaddingRight, mPageLayoutPaddingBottom);
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layout.setMinimumWidth(getPageContentWidth());
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}
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private void renderDrawableToBitmap(Drawable d, Bitmap bitmap, int x, int y, int w, int h,
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float scaleX, float scaleY) {
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Canvas c = new Canvas();
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if (bitmap != null) c.setBitmap(bitmap);
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c.save();
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c.scale(scaleX, scaleY);
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Rect oldBounds = d.copyBounds();
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d.setBounds(x, y, x + w, y + h);
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d.draw(c);
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d.setBounds(oldBounds); // Restore the bounds
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c.restore();
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}
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private FastBitmapDrawable getWidgetPreview(AppWidgetProviderInfo info) {
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// See CustomizePagedView.getWidgetPreview()
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return null;
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}
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public void syncWidgetPages() {
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// Ensure that we have the right number of pages
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Context context = getContext();
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int numPages = mWidgets.size();
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for (int i = 0; i < numPages; ++i) {
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PagedViewExtendedLayout layout = new PagedViewExtendedLayout(context);
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setupPage(layout);
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addView(layout);
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}
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}
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public void syncWidgetPageItems(int page) {
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PagedViewExtendedLayout layout = (PagedViewExtendedLayout) getChildAt(page);
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layout.removeAllViewsOnPage();
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for (int i = 0; i < 1; ++i) {
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AppWidgetProviderInfo info = (AppWidgetProviderInfo) mWidgets.get(page);
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FastBitmapDrawable icon = getWidgetPreview(info);
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ImageView image = new ImageView(getContext());
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image.setBackgroundColor(0x99FF0000);
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image.setImageDrawable(icon);
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layout.addView(image, new PagedViewExtendedLayout.LayoutParams());
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}
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}
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@Override
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public void syncPages() {
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removeAllViews();
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switch (mContentType) {
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case Applications:
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syncAppsPages();
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break;
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case Widgets:
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syncWidgetPages();
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break;
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}
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}
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@Override
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public void syncPageItems(int page) {
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switch (mContentType) {
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case Applications:
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syncAppsPageItems(page);
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break;
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case Widgets:
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syncWidgetPageItems(page);
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break;
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}
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}
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/**
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* Used by the parent to get the content width to set the tab bar to
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* @return
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*/
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public int getPageContentWidth() {
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return mContentWidth;
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}
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/*
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* AllAppsView implementation
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*/
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@Override
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public void setup(Launcher launcher, DragController dragController) {
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mLauncher = launcher;
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mDragController = dragController;
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}
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@Override
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public void zoom(float zoom, boolean animate) {
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// TODO-APPS_CUSTOMIZE: Call back to mLauncher.zoomed()
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}
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@Override
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public boolean isVisible() {
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return (getVisibility() == VISIBLE);
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}
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@Override
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public boolean isAnimating() {
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return false;
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}
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@Override
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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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invalidatePageData();
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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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int count = list.size();
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for (int i = 0; i < count; ++i) {
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ApplicationInfo info = list.get(i);
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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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@Override
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public void addApps(ArrayList<ApplicationInfo> list) {
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addAppsWithoutInvalidate(list);
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invalidatePageData();
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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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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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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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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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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(new PagedViewIconCache.Key(info));
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}
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}
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}
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@Override
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public void removeApps(ArrayList<ApplicationInfo> list) {
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removeAppsWithoutInvalidate(list);
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invalidatePageData();
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}
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@Override
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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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invalidatePageData();
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}
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@Override
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public void reset() {
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setCurrentPage(0);
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invalidatePageData();
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}
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@Override
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public void dumpState() {
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// TODO: Dump information related to current list of Applications, Widgets, etc.
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ApplicationInfo.dumpApplicationInfoList(LOG_TAG, "mApps", mApps);
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dumpAppWidgetProviderInfoList(LOG_TAG, "mWidgets", mWidgets);
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}
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private void dumpAppWidgetProviderInfoList(String tag, String label,
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List<AppWidgetProviderInfo> list) {
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Log.d(tag, label + " size=" + list.size());
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for (AppWidgetProviderInfo info: list) {
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Log.d(tag, " label=\"" + info.label + "\" previewImage=" + info.previewImage
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+ " resizeMode=" + info.resizeMode + " configure=" + info.configure
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+ " initialLayout=" + info.initialLayout
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+ " minWidth=" + info.minWidth + " minHeight=" + info.minHeight);
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}
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}
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@Override
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public void surrender() {
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// TODO: If we are in the middle of any process (ie. for holographic outlines, etc) we
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// should stop this now.
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}
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}
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