| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.launcher2; |
| |
| import java.util.ArrayList; |
| |
| import android.animation.Animator; |
| import android.animation.AnimatorListenerAdapter; |
| import android.animation.AnimatorSet; |
| import android.animation.ObjectAnimator; |
| import android.animation.PropertyValuesHolder; |
| import android.animation.ValueAnimator; |
| import android.animation.ValueAnimator.AnimatorUpdateListener; |
| import android.content.Context; |
| import android.graphics.Rect; |
| import android.util.AttributeSet; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.View.OnClickListener; |
| import android.widget.AdapterView; |
| import android.widget.Button; |
| import android.widget.LinearLayout; |
| import android.widget.TextView; |
| import android.widget.AdapterView.OnItemClickListener; |
| import android.widget.AdapterView.OnItemLongClickListener; |
| |
| import com.android.launcher.R; |
| |
| /** |
| * Represents a set of icons chosen by the user or generated by the system. |
| */ |
| public class Folder extends LinearLayout implements DragSource, OnItemLongClickListener, |
| OnItemClickListener, OnClickListener, View.OnLongClickListener, DropTarget { |
| |
| protected DragController mDragController; |
| |
| protected Launcher mLauncher; |
| |
| protected Button mCloseButton; |
| |
| protected FolderInfo mInfo; |
| |
| /** |
| * Which item is being dragged |
| */ |
| protected ShortcutInfo mDragItem; |
| |
| private static final String TAG = "Launcher.Folder"; |
| |
| static final int STATE_NONE = -1; |
| static final int STATE_SMALL = 0; |
| static final int STATE_ANIMATING = 1; |
| static final int STATE_OPEN = 2; |
| |
| private int mExpandDuration; |
| protected CellLayout mContent; |
| private final LayoutInflater mInflater; |
| private final IconCache mIconCache; |
| private int mState = STATE_NONE; |
| |
| /** |
| * Used to inflate the Workspace from XML. |
| * |
| * @param context The application's context. |
| * @param attrs The attribtues set containing the Workspace's customization values. |
| */ |
| public Folder(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| setAlwaysDrawnWithCacheEnabled(false); |
| mInflater = LayoutInflater.from(context); |
| mIconCache = ((LauncherApplication)context.getApplicationContext()).getIconCache(); |
| mExpandDuration = getResources().getInteger(R.integer.config_folderAnimDuration); |
| } |
| |
| @Override |
| protected void onFinishInflate() { |
| super.onFinishInflate(); |
| |
| mCloseButton = (Button) findViewById(R.id.folder_close); |
| mCloseButton.setOnClickListener(this); |
| mCloseButton.setOnLongClickListener(this); |
| mContent = (CellLayout) findViewById(R.id.folder_content); |
| } |
| |
| public void onItemClick(AdapterView parent, View v, int position, long id) { |
| ShortcutInfo app = (ShortcutInfo) parent.getItemAtPosition(position); |
| int[] pos = new int[2]; |
| v.getLocationOnScreen(pos); |
| app.intent.setSourceBounds(new Rect(pos[0], pos[1], |
| pos[0] + v.getWidth(), pos[1] + v.getHeight())); |
| mLauncher.startActivitySafely(app.intent, app); |
| } |
| |
| public void onClick(View v) { |
| Object tag = v.getTag(); |
| if (tag instanceof ShortcutInfo) { |
| // refactor this code from Folder |
| ShortcutInfo item = (ShortcutInfo) tag; |
| int[] pos = new int[2]; |
| v.getLocationOnScreen(pos); |
| item.intent.setSourceBounds(new Rect(pos[0], pos[1], |
| pos[0] + v.getWidth(), pos[1] + v.getHeight())); |
| mLauncher.startActivitySafely(item.intent, item); |
| } else { |
| mLauncher.closeFolder(this); |
| } |
| } |
| |
| public boolean onLongClick(View v) { |
| Object tag = v.getTag(); |
| if (tag instanceof ShortcutInfo) { |
| // refactor this code from Folder |
| ShortcutInfo item = (ShortcutInfo) tag; |
| if (!v.isInTouchMode()) { |
| return false; |
| } |
| |
| mLauncher.getWorkspace().onDragStartedWithItem(v); |
| mDragController.startDrag(v, this, item, DragController.DRAG_ACTION_COPY); |
| |
| mLauncher.closeFolder(this); |
| mDragItem = item; |
| } else { |
| mLauncher.closeFolder(this); |
| mLauncher.showRenameDialog(mInfo); |
| } |
| return true; |
| } |
| |
| public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) { |
| if (!view.isInTouchMode()) { |
| return false; |
| } |
| |
| ShortcutInfo app = (ShortcutInfo) parent.getItemAtPosition(position); |
| |
| mDragController.startDrag(view, this, app, DragController.DRAG_ACTION_COPY); |
| mLauncher.closeFolder(this); |
| mDragItem = app; |
| |
| return true; |
| } |
| |
| public void setDragController(DragController dragController) { |
| mDragController = dragController; |
| } |
| |
| public void onDragViewVisible() { |
| } |
| |
| void setLauncher(Launcher launcher) { |
| mLauncher = launcher; |
| } |
| |
| /** |
| * @return the FolderInfo object associated with this folder |
| */ |
| FolderInfo getInfo() { |
| return mInfo; |
| } |
| |
| void onOpen() { |
| // When the folder opens, we need to refresh the GridView's selection by |
| // forcing a layout |
| // TODO: find out if this is still necessary |
| mContent.requestLayout(); |
| requestFocus(); |
| } |
| |
| void onClose() { |
| final Workspace workspace = mLauncher.getWorkspace(); |
| workspace.getChildAt(workspace.getCurrentPage()).requestFocus(); |
| } |
| |
| void bind(FolderInfo info) { |
| mInfo = info; |
| mCloseButton.setText(info.title); |
| ArrayList<ShortcutInfo> children = info.contents; |
| for (int i = 0; i < children.size(); i++) { |
| ShortcutInfo child = (ShortcutInfo) children.get(i); |
| if ((child.cellX == -1 && child.cellY == -1) || |
| mContent.isOccupied(child.cellX, child.cellY)) { |
| findAndSetEmptyCells(child); |
| } |
| createAndAddShortcut((ShortcutInfo) children.get(i)); |
| } |
| } |
| |
| /** |
| * Creates a new UserFolder, inflated from R.layout.user_folder. |
| * |
| * @param context The application's context. |
| * |
| * @return A new UserFolder. |
| */ |
| static Folder fromXml(Context context) { |
| return (Folder) LayoutInflater.from(context).inflate(R.layout.user_folder, null); |
| } |
| |
| /** |
| * This method is intended to make the UserFolder to be visually identical in size and position |
| * to its associated FolderIcon. This allows for a seamless transition into the expanded state. |
| */ |
| private void positionAndSizeAsIcon() { |
| if (!(getParent() instanceof CellLayoutChildren)) return; |
| |
| CellLayoutChildren clc = (CellLayoutChildren) getParent(); |
| CellLayout cellLayout = (CellLayout) clc.getParent(); |
| |
| FolderIcon fi = (FolderIcon) cellLayout.getChildAt(mInfo.cellX, mInfo.cellY); |
| CellLayout.LayoutParams iconLp = (CellLayout.LayoutParams) fi.getLayoutParams(); |
| CellLayout.LayoutParams lp = (CellLayout.LayoutParams) getLayoutParams(); |
| |
| lp.width = iconLp.width; |
| lp.height = iconLp.height; |
| lp.x = iconLp.x; |
| lp.y = iconLp.y; |
| |
| mContent.setAlpha(0f); |
| mState = STATE_SMALL; |
| } |
| |
| public void animateOpen() { |
| if (mState != STATE_SMALL) { |
| positionAndSizeAsIcon(); |
| } |
| if (!(getParent() instanceof CellLayoutChildren)) return; |
| |
| CellLayout.LayoutParams lp = (CellLayout.LayoutParams) getLayoutParams(); |
| |
| CellLayoutChildren clc = (CellLayoutChildren) getParent(); |
| CellLayout cellLayout = (CellLayout) clc.getParent(); |
| Rect r = cellLayout.getContentRect(null); |
| |
| PropertyValuesHolder width = PropertyValuesHolder.ofInt("width", r.width()); |
| PropertyValuesHolder height = PropertyValuesHolder.ofInt("height", r.height()); |
| PropertyValuesHolder x = PropertyValuesHolder.ofInt("x", 0); |
| PropertyValuesHolder y = PropertyValuesHolder.ofInt("y", 0); |
| |
| ObjectAnimator oa = ObjectAnimator.ofPropertyValuesHolder(lp, width, height, x, y); |
| oa.addUpdateListener(new AnimatorUpdateListener() { |
| public void onAnimationUpdate(ValueAnimator animation) { |
| requestLayout(); |
| } |
| }); |
| |
| PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat("alpha", 1.0f); |
| ObjectAnimator oaContentAlpha = ObjectAnimator.ofPropertyValuesHolder(mContent, alpha); |
| |
| AnimatorSet set = new AnimatorSet(); |
| set.playTogether(oa, oaContentAlpha); |
| set.setDuration(mExpandDuration); |
| set.addListener(new AnimatorListenerAdapter() { |
| @Override |
| public void onAnimationStart(Animator animation) { |
| mState = STATE_ANIMATING; |
| } |
| @Override |
| public void onAnimationEnd(Animator animation) { |
| mState = STATE_SMALL; |
| } |
| }); |
| set.start(); |
| } |
| |
| public void animateClosed() { |
| if (!(getParent() instanceof CellLayoutChildren)) return; |
| |
| CellLayoutChildren clc = (CellLayoutChildren) getParent(); |
| final CellLayout cellLayout = (CellLayout) clc.getParent(); |
| |
| FolderIcon fi = (FolderIcon) cellLayout.getChildAt(mInfo.cellX, mInfo.cellY); |
| CellLayout.LayoutParams iconLp = (CellLayout.LayoutParams) fi.getLayoutParams(); |
| CellLayout.LayoutParams lp = (CellLayout.LayoutParams) getLayoutParams(); |
| |
| PropertyValuesHolder width = PropertyValuesHolder.ofInt("width", iconLp.width); |
| PropertyValuesHolder height = PropertyValuesHolder.ofInt("height", iconLp.height); |
| PropertyValuesHolder x = PropertyValuesHolder.ofInt("x",iconLp.x); |
| PropertyValuesHolder y = PropertyValuesHolder.ofInt("y", iconLp.y); |
| |
| ObjectAnimator oa = ObjectAnimator.ofPropertyValuesHolder(lp, width, height, x, y); |
| oa.addUpdateListener(new AnimatorUpdateListener() { |
| public void onAnimationUpdate(ValueAnimator animation) { |
| requestLayout(); |
| } |
| }); |
| |
| PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat("alpha", 0f); |
| ObjectAnimator oaContentAlpha = ObjectAnimator.ofPropertyValuesHolder(mContent, alpha); |
| |
| AnimatorSet set = new AnimatorSet(); |
| set.playTogether(oa, oaContentAlpha); |
| set.setDuration(mExpandDuration); |
| |
| set.addListener(new AnimatorListenerAdapter() { |
| @Override |
| public void onAnimationEnd(Animator animation) { |
| cellLayout.removeViewWithoutMarkingCells(Folder.this); |
| mState = STATE_OPEN; |
| } |
| @Override |
| public void onAnimationStart(Animator animation) { |
| mState = STATE_ANIMATING; |
| } |
| }); |
| set.start(); |
| } |
| |
| void notifyDataSetChanged() { |
| // recreate all the children if the data set changes under us. We may want to do this more |
| // intelligently (ie just removing the views that should no longer exist) |
| mContent.removeAllViewsInLayout(); |
| bind(mInfo); |
| } |
| |
| public boolean acceptDrop(DragSource source, int x, int y, int xOffset, int yOffset, |
| DragView dragView, Object dragInfo) { |
| final ItemInfo item = (ItemInfo) dragInfo; |
| final int itemType = item.itemType; |
| return (itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION || |
| itemType == LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT) |
| && item.container != mInfo.id; |
| } |
| |
| public void onDrop(DragSource source, int x, int y, int xOffset, int yOffset, |
| DragView dragView, Object dragInfo) { |
| ShortcutInfo item; |
| if (dragInfo instanceof ApplicationInfo) { |
| // Came from all apps -- make a copy |
| item = ((ApplicationInfo)dragInfo).makeShortcut(); |
| item.spanX = 1; |
| item.spanY = 1; |
| } else { |
| item = (ShortcutInfo)dragInfo; |
| } |
| findAndSetEmptyCells(item); |
| mInfo.add(item); |
| createAndAddShortcut(item); |
| LauncherModel.addOrMoveItemInDatabase(mLauncher, item, mInfo.id, 0, item.cellX, item.cellY); |
| } |
| |
| protected boolean findAndSetEmptyCells(ShortcutInfo item) { |
| int[] emptyCell = new int[2]; |
| if (mContent.findCellForSpan(emptyCell, item.spanX, item.spanY)) { |
| item.cellX = emptyCell[0]; |
| item.cellY = emptyCell[1]; |
| LauncherModel.addOrMoveItemInDatabase( |
| mLauncher, item, mInfo.id, 0, item.cellX, item.cellY); |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| protected void createAndAddShortcut(ShortcutInfo item) { |
| final TextView textView = |
| (TextView) mInflater.inflate(R.layout.application_boxed, this, false); |
| textView.setCompoundDrawablesWithIntrinsicBounds(null, |
| new FastBitmapDrawable(item.getIcon(mIconCache)), null, null); |
| textView.setText(item.title); |
| textView.setTag(item); |
| |
| textView.setOnClickListener(this); |
| textView.setOnLongClickListener(this); |
| |
| CellLayout.LayoutParams lp = |
| new CellLayout.LayoutParams(item.cellX, item.cellY, item.spanX, item.spanY); |
| boolean insert = false; |
| mContent.addViewToCellLayout(textView, insert ? 0 : -1, (int)item.id, lp, true); |
| } |
| |
| public void onDragEnter(DragSource source, int x, int y, int xOffset, int yOffset, |
| DragView dragView, Object dragInfo) { |
| } |
| |
| public void onDragOver(DragSource source, int x, int y, int xOffset, int yOffset, |
| DragView dragView, Object dragInfo) { |
| } |
| |
| public void onDragExit(DragSource source, int x, int y, int xOffset, int yOffset, |
| DragView dragView, Object dragInfo) { |
| } |
| |
| public void onDropCompleted(View target, Object dragInfo, boolean success) { |
| if (success) { |
| mInfo.remove(mDragItem); |
| } |
| } |
| |
| public boolean isDropEnabled() { |
| return true; |
| } |
| |
| public DropTarget getDropTargetDelegate(DragSource source, int x, int y, int xOffset, int yOffset, |
| DragView dragView, Object dragInfo) { |
| return null; |
| } |
| } |