/** 向Folder添加ShortcutInfo */
protected boolean createAndAddShortcut(ShortcutInfo item) {
final TextView textView = (TextView) mInflater.inflate(R.layout.application, 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);
// 检查这个地方是否被其他item占据
if (mContent.getChildAt(item.cellX, item.cellY) != null
|| item.cellX < 0
|| item.cellY < 0
|| item.cellX >= mContent.getCountX()
|| item.cellY >= mContent.getCountY()) {
// 其实不应该发生
Log.e(TAG, "Folder order not properly persisted during bind");
if (!findAndSetEmptyCells(item)) {
return false;
}
}
CellLayout.LayoutParams lp =
new CellLayout.LayoutParams(item.cellX, item.cellY, item.spanX, item.spanY);
boolean insert = false;
textView.setOnKeyListener(new FolderKeyEventListener());
mContent.addViewToCellLayout(textView, insert ? 0 : -1, (int) item.id, lp, true);
return true;
}
public void onDrop(DragObject d) {
ShortcutInfo item;
if (d.dragInfo instanceof ApplicationInfo) {
// 如果是来自“所有程序”界面，那么复制这个item
item = ((ApplicationInfo) d.dragInfo).makeShortcut();
item.spanX = 1;
item.spanY = 1;
} else {
item = (ShortcutInfo) d.dragInfo;
}
// Dragged from self onto self, currently this is the only path
// possible, however
// we keep this as a distinct code path.
// 这个判断应该不可能出现别的情况，当前手动对象当然应该是这个d，这是过于谨慎的判断
if (item == mCurrentDragInfo) {
ShortcutInfo si = (ShortcutInfo) mCurrentDragView.getTag();
CellLayout.LayoutParams lp = (CellLayout.LayoutParams) mCurrentDragView.getLayoutParams();
si.cellX = lp.cellX = mEmptyCell[0];
si.cellX = lp.cellY = mEmptyCell[1];
mContent.addViewToCellLayout(mCurrentDragView, -1, (int) item.id, lp, true);
if (d.dragView.hasDrawn()) {
mLauncher.getDragLayer().animateViewIntoPosition(d.dragView, mCurrentDragView);
} else {
d.deferDragViewCleanupPostAnimation = false;
mCurrentDragView.setVisibility(VISIBLE);
}
mItemsInvalidated = true;
// 拖进来后重新设置Folder的大小
setupContentDimensions(getItemCount());
mSuppressOnAdd = true;
}
mInfo.add(item);
}
public void onDrop(DragObject d) {
ShortcutInfo item;
if (d.dragInfo instanceof ApplicationInfo) {
// Came from all apps -- make a copy
item = ((ApplicationInfo) d.dragInfo).makeShortcut();
item.spanX = 1;
item.spanY = 1;
} else {
item = (ShortcutInfo) d.dragInfo;
}
// Dragged from self onto self, currently this is the only path possible, however
// we keep this as a distinct code path.
if (item == mCurrentDragInfo) {
ShortcutInfo si = (ShortcutInfo) mCurrentDragView.getTag();
CellLayout.LayoutParams lp = (CellLayout.LayoutParams) mCurrentDragView.getLayoutParams();
si.cellX = lp.cellX = mEmptyCell[0];
si.cellX = lp.cellY = mEmptyCell[1];
mContent.addViewToCellLayout(mCurrentDragView, -1, (int) item.id, lp, true);
if (d.dragView.hasDrawn()) {
mLauncher.getDragLayer().animateViewIntoPosition(d.dragView, mCurrentDragView);
} else {
mCurrentDragView.setVisibility(VISIBLE);
}
mItemsInvalidated = true;
setupContentDimensions(getItemCount());
mSuppressOnAdd = true;
}
mInfo.add(item);
}
protected boolean createAndAddShortcut(ShortcutInfo item) {
final StyledTextFoo textView =
(StyledTextFoo) mInflater.inflate(R.layout.application, 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);
// We need to check here to verify that the given item's location isn't already occupied
// by another item. If it is, we need to find the next available slot and assign
// it that position. This is an issue when upgrading from the old Folders implementation
// which could contain an unlimited number of items.
if (mContent.getChildAt(item.cellX, item.cellY) != null
|| item.cellX < 0
|| item.cellY < 0
|| item.cellX >= mContent.getCountX()
|| item.cellY >= mContent.getCountY()) {
if (!findAndSetEmptyCells(item)) {
return false;
}
}
CellLayout.LayoutParams lp =
new CellLayout.LayoutParams(item.cellX, item.cellY, item.spanX, item.spanY);
boolean insert = false;
textView.setOnKeyListener(new FolderKeyEventListener());
mContent.addViewToCellLayout(textView, insert ? 0 : -1, (int) item.id, lp, true);
return true;
}
void resetLayout() {
mContent.removeAllViewsInLayout();
// Add the Apps button
Context context = getContext();
LayoutInflater inflater = LayoutInflater.from(context);
BubbleTextView allAppsButton =
(BubbleTextView) inflater.inflate(R.layout.application_allapps, mContent, false);
allAppsButton.setCompoundDrawablesWithIntrinsicBounds(
null, context.getResources().getDrawable(R.drawable.all_apps_button_icon), null, null);
allAppsButton.setContentDescription(context.getString(R.string.all_apps_button_label));
allAppsButton.setOnTouchListener(
new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
if (mLauncher != null
&& (event.getAction() & MotionEvent.ACTION_MASK) == MotionEvent.ACTION_DOWN) {
mLauncher.onTouchDownAllAppsButton(v);
}
return false;
}
});
allAppsButton.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(android.view.View v) {
if (LauncherLog.DEBUG) {
LauncherLog.d(TAG, "Click on all apps view on hotseat: mLauncher = " + mLauncher);
}
if (mLauncher != null) {
mLauncher.onClickAllAppsButton(v);
}
}
});
// Note: We do this to ensure that the hotseat is always laid out in the orientation of
// the hotseat in order regardless of which orientation they were added
int x = getCellXFromOrder(mAllAppsButtonRank);
int y = getCellYFromOrder(mAllAppsButtonRank);
CellLayout.LayoutParams lp = new CellLayout.LayoutParams(x, y, 1, 1);
lp.canReorder = false;
mContent.addViewToCellLayout(allAppsButton, -1, 0, lp, true);
}
protected View createAndAddShortcut(ShortcutInfo item) {
final BubbleTextView textView =
(BubbleTextView) mInflater.inflate(R.layout.folder_application, this, false);
textView.applyFromShortcutInfo(item, mIconCache, false);
int color =
SettingsProvider.getInt(
getContext(),
SettingsProvider.FOLDER_ICON_TEXT_COLOR,
getResources().getColor(R.color.folder_items_text_color));
textView.setTextColor(color);
textView.setOnClickListener(this);
textView.setOnLongClickListener(this);
textView.setOnFocusChangeListener(mFocusIndicatorHandler);
// We need to check here to verify that the given item's location isn't already occupied
// by another item.
if (mContent.getChildAt(item.cellX, item.cellY) != null
|| item.cellX < 0
|| item.cellY < 0
|| item.cellX >= mContent.getCountX()
|| item.cellY >= mContent.getCountY()) {
// This shouldn't happen, log it.
Log.e(TAG, "Folder order not properly persisted during bind");
if (!findAndSetEmptyCells(item)) {
return null;
}
}
CellLayout.LayoutParams lp =
new CellLayout.LayoutParams(item.cellX, item.cellY, item.spanX, item.spanY);
boolean insert = false;
textView.setOnKeyListener(new FolderKeyEventListener());
mContent.addViewToCellLayout(textView, insert ? 0 : -1, (int) item.id, lp, true);
return textView;
}
void resetLayout() {
mContent.removeAllViewsInLayout();
if (!AppsCustomizePagedView.DISABLE_ALL_APPS) {
// Add the Apps button
Context context = getContext();
LayoutInflater inflater = LayoutInflater.from(context);
TextView allAppsButton =
(TextView) inflater.inflate(R.layout.all_apps_button, mContent, false);
Drawable d = context.getResources().getDrawable(R.drawable.all_apps_button_icon);
Utilities.resizeIconDrawable(d);
allAppsButton.setCompoundDrawables(null, d, null, null);
allAppsButton.setContentDescription(context.getString(R.string.all_apps_button_label));
if (mLauncher != null) {
allAppsButton.setOnTouchListener(mLauncher.getHapticFeedbackTouchListener());
}
allAppsButton.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(android.view.View v) {
if (mLauncher != null) {
mLauncher.onClickAllAppsButton(v);
}
}
});
// Note: We do this to ensure that the hotseat is always laid out in the orientation of
// the hotseat in order regardless of which orientation they were added
int x = getCellXFromOrder(mAllAppsButtonRank);
int y = getCellYFromOrder(mAllAppsButtonRank);
CellLayout.LayoutParams lp = new CellLayout.LayoutParams(x, y, 1, 1);
lp.canReorder = false;
mContent.addViewToCellLayout(allAppsButton, -1, 0, lp, true);
}
}
private void arrangeChildren(ArrayList<View> list) {
int[] vacant = new int[2];
if (list == null) {
list = getItemsInReadingOrder();
}
mContent.removeAllViews();
for (int i = 0; i < list.size(); i++) {
View v = list.get(i);
mContent.getVacantCell(vacant, 1, 1);
CellLayout.LayoutParams lp = (CellLayout.LayoutParams) v.getLayoutParams();
lp.cellX = vacant[0];
lp.cellY = vacant[1];
ItemInfo info = (ItemInfo) v.getTag();
if (info.cellX != vacant[0] || info.cellY != vacant[1]) {
info.cellX = vacant[0];
info.cellY = vacant[1];
LauncherModel.addOrMoveItemInDatabase(mLauncher, info, mInfo.id, 0, info.cellX, info.cellY);
}
boolean insert = false;
mContent.addViewToCellLayout(v, insert ? 0 : -1, (int) info.id, lp, true);
}
mItemsInvalidated = true;
}
public void onDrop(DragObject d) {
Runnable cleanUpRunnable = null;
// If we are coming from All Apps space, we defer removing the extra empty screen
// until the folder closes
if (d.dragSource != mLauncher.getWorkspace() && !(d.dragSource instanceof Folder)) {
cleanUpRunnable =
new Runnable() {
@Override
public void run() {
mLauncher.exitSpringLoadedDragModeDelayed(
true, Launcher.EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT, null);
}
};
}
View currentDragView;
ShortcutInfo si = mCurrentDragInfo;
if (mIsExternalDrag) {
si.cellX = mEmptyCell[0];
si.cellY = mEmptyCell[1];
// Actually move the item in the database if it was an external drag. Call this
// before creating the view, so that ShortcutInfo is updated appropriately.
LauncherModel.addOrMoveItemInDatabase(mLauncher, si, mInfo.id, 0, si.cellX, si.cellY);
// We only need to update the locations if it doesn't get handled in #onDropCompleted.
if (d.dragSource != this) {
updateItemLocationsInDatabaseBatch();
}
mIsExternalDrag = false;
currentDragView = createAndAddShortcut(si);
} else {
currentDragView = mCurrentDragView;
CellLayout.LayoutParams lp = (CellLayout.LayoutParams) currentDragView.getLayoutParams();
si.cellX = lp.cellX = mEmptyCell[0];
si.cellX = lp.cellY = mEmptyCell[1];
mContent.addViewToCellLayout(currentDragView, -1, (int) si.id, lp, true);
}
if (d.dragView.hasDrawn()) {
// Temporarily reset the scale such that the animation target gets calculated correctly.
float scaleX = getScaleX();
float scaleY = getScaleY();
setScaleX(1.0f);
setScaleY(1.0f);
mLauncher
.getDragLayer()
.animateViewIntoPosition(d.dragView, currentDragView, cleanUpRunnable, null);
setScaleX(scaleX);
setScaleY(scaleY);
} else {
d.deferDragViewCleanupPostAnimation = false;
currentDragView.setVisibility(VISIBLE);
}
mItemsInvalidated = true;
setupContentDimensions(getItemCount());
// Temporarily suppress the listener, as we did all the work already here.
mSuppressOnAdd = true;
mInfo.add(si);
mSuppressOnAdd = false;
// Clear the drag info, as it is no longer being dragged.
mCurrentDragInfo = null;
}