// This method keeps track of the last item in the folder for the purposes
// of keyboard focus
private void updateTextViewFocus() {
View lastChild = getItemAt(getItemCount() - 1);
getItemAt(getItemCount() - 1);
if (lastChild != null) {
mFolderName.setNextFocusDownId(lastChild.getId());
mFolderName.setNextFocusRightId(lastChild.getId());
mFolderName.setNextFocusLeftId(lastChild.getId());
mFolderName.setNextFocusUpId(lastChild.getId());
}
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
mContent = (CellLayout) findViewById(R.id.folder_content);
mContent.setGridSize(0, 0);
mContent.getShortcutsAndWidgets().setMotionEventSplittingEnabled(false);
mFolderName = (FolderEditText) findViewById(R.id.folder_name);
mFolderName.setFolder(this);
mFolderName.setOnFocusChangeListener(this);
// 算出TextView最终需要多大，以便可以给它腾出适合大小的地方
int measureSpec = MeasureSpec.UNSPECIFIED;
mFolderName.measure(measureSpec, measureSpec);
mFolderNameHeight = mFolderName.getMeasuredHeight();
// We disable action mode for now since it messes up the view on phones
// 暂时禁止action mode，因为它有可能会情致view混乱
mFolderName.setCustomSelectionActionModeCallback(mActionModeCallback);
mFolderName.setOnEditorActionListener(this);
mFolderName.setSelectAllOnFocus(true);
mFolderName.setInputType(
mFolderName.getInputType()
| InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS
| InputType.TYPE_TEXT_FLAG_CAP_WORDS);
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
mContent = (CellLayout) findViewById(R.id.folder_content);
mContent.setGridSize(0, 0);
mContent.getChildrenLayout().setMotionEventSplittingEnabled(false);
mFolderName = (FolderEditText) findViewById(R.id.folder_name);
mFolderName.setFolder(this);
mFolderName.setOnFocusChangeListener(this);
// We find out how tall the text view wants to be (it is set to wrap_content), so that
// we can allocate the appropriate amount of space for it.
int measureSpec = MeasureSpec.UNSPECIFIED;
mFolderName.measure(measureSpec, measureSpec);
mFolderNameHeight = mFolderName.getMeasuredHeight();
// We disable action mode for now since it messes up the view on phones
mFolderName.setCustomSelectionActionModeCallback(mActionModeCallback);
mFolderName.setOnEditorActionListener(this);
mFolderName.setSelectAllOnFocus(true);
mFolderName.setInputType(
mFolderName.getInputType()
| InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS
| InputType.TYPE_TEXT_FLAG_CAP_WORDS);
}
void bind(FolderInfo info) {
mInfo = info;
ArrayList<ShortcutInfo> children = info.contents;
ArrayList<ShortcutInfo> overflow = new ArrayList<ShortcutInfo>();
setupContentForNumItems(children.size());
placeInReadingOrder(children);
int count = 0;
for (int i = 0; i < children.size(); i++) {
ShortcutInfo child = (ShortcutInfo) children.get(i);
if (createAndAddShortcut(child) == null) {
overflow.add(child);
} else {
count++;
}
}
// We rearrange the items in case there are any empty gaps
setupContentForNumItems(count);
// If our folder has too many items we prune them from the list. This is an issue
// when upgrading from the old Folders implementation which could contain an unlimited
// number of items.
for (ShortcutInfo item : overflow) {
mInfo.remove(item);
LauncherModel.deleteItemFromDatabase(mLauncher, item);
}
mItemsInvalidated = true;
updateTextViewFocus();
mInfo.addListener(this);
if (!sDefaultFolderName.contentEquals(mInfo.title)) {
mFolderName.setText(mInfo.title);
} else {
mFolderName.setText("");
}
updateItemLocationsInDatabase();
// In case any children didn't come across during loading, clean up the folder accordingly
mFolderIcon.post(
new Runnable() {
public void run() {
if (getItemCount() <= 1) {
replaceFolderWithFinalItem();
}
}
});
}
void bind(FolderInfo info) {
mInfo = info;
ArrayList<ShortcutInfo> children = info.contents;
ArrayList<ShortcutInfo> overflow = new ArrayList<ShortcutInfo>(); // 超出数量的item
setupContentForNumItems(children.size());
placeInReadingOrder(children);
int count = 0;
for (int i = 0; i < children.size(); i++) {
ShortcutInfo child = (ShortcutInfo) children.get(i);
if (!createAndAddShortcut(child)) {
overflow.add(child);
} else {
count++;
}
}
// 重新排序以防止有空的间隔。应该是防止万一数据有不对。
setupContentForNumItems(count);
// If our folder has too many items we prune them from the list. This is
// an issue
// when upgrading from the old Folders implementation which could
// contain an unlimited
// number of items.
// 如果文件夹里面有太多项目的话，我们把他们从list里面删掉。
// 因为从以前版本的数据库升级的时候有可能会出现许许多多的item（以前没有限制？）
for (ShortcutInfo item : overflow) {
mInfo.remove(item);
LauncherModel.deleteItemFromDatabase(mLauncher, item);
}
mItemsInvalidated = true;
updateTextViewFocus();
mInfo.addListener(this);
if (!sDefaultFolderName.contentEquals(mInfo.title)) {
mFolderName.setText(mInfo.title);
} else {
mFolderName.setText("");
}
updateItemLocationsInDatabase(); // 更新数据库里面的位置，万一以前里面的有错误（也太小心了……）
}
public void doneEditingFolderName(boolean commit) {
mFolderName.setHint(sHintText);
// Convert to a string here to ensure that no other state associated with the text field
// gets saved.
String newTitle = mFolderName.getText().toString();
mInfo.setTitle(newTitle);
LauncherModel.updateItemInDatabase(mLauncher, mInfo);
if (commit) {
sendCustomAccessibilityEvent(
AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED,
String.format(getContext().getString(R.string.folder_renamed), newTitle));
}
// In order to clear the focus from the text field, we set the focus on ourself. This
// ensures that every time the field is clicked, focus is gained, giving reliable behavior.
requestFocus();
Selection.setSelection((Spannable) mFolderName.getText(), 0, 0);
mIsEditingName = false;
}
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int width = getPaddingLeft() + getPaddingRight() + mContent.getDesiredWidth();
int height =
getPaddingTop() + getPaddingBottom() + mContent.getDesiredHeight() + mFolderNameHeight;
int contentWidthSpec =
MeasureSpec.makeMeasureSpec(mContent.getDesiredWidth(), MeasureSpec.EXACTLY);
int contentHeightSpec =
MeasureSpec.makeMeasureSpec(mContent.getDesiredHeight(), MeasureSpec.EXACTLY);
mContent.measure(contentWidthSpec, contentHeightSpec);
mFolderName.measure(
contentWidthSpec, MeasureSpec.makeMeasureSpec(mFolderNameHeight, MeasureSpec.EXACTLY));
setMeasuredDimension(width, height);
}
void bind(FolderInfo info) {
mInfo = info;
ArrayList<ShortcutInfo> children = info.contents;
ArrayList<ShortcutInfo> overflow = new ArrayList<ShortcutInfo>();
setupContentForNumItems(children.size());
int count = 0;
for (int i = 0; i < children.size(); i++) {
ShortcutInfo child = (ShortcutInfo) children.get(i);
if (!createAndAddShortcut(child)) {
overflow.add(child);
} else {
count++;
}
}
// We rearrange the items in case there are any empty gaps
setupContentForNumItems(count);
// If our folder has too many items we prune them from the list. This is an issue
// when upgrading from the old Folders implementation which could contain an unlimited
// number of items.
for (ShortcutInfo item : overflow) {
mInfo.remove(item);
LauncherModel.deleteItemFromDatabase(mLauncher, item);
}
mItemsInvalidated = true;
updateStyledTextFooFocus();
mInfo.addListener(this);
if (!sDefaultFolderName.contentEquals(mInfo.title)) {
mFolderName.setText(mInfo.title);
} else {
mFolderName.setText("");
}
}
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int width = getPaddingLeft() + getPaddingRight() + mContent.getDesiredWidth();
int height = getFolderHeight();
int contentAreaWidthSpec =
MeasureSpec.makeMeasureSpec(getContentAreaWidth(), MeasureSpec.EXACTLY);
int contentAreaHeightSpec =
MeasureSpec.makeMeasureSpec(getContentAreaHeight(), MeasureSpec.EXACTLY);
if (LauncherAppState.isDisableAllApps() || mScrollingFolders) {
// Don't cap the height of the content to allow scrolling.
mContent.setFixedSize(getContentAreaWidth(), mContent.getDesiredHeight());
} else {
mContent.setFixedSize(getContentAreaWidth(), getContentAreaHeight());
}
mScrollView.measure(contentAreaWidthSpec, contentAreaHeightSpec);
mFolderName.measure(
contentAreaWidthSpec, MeasureSpec.makeMeasureSpec(mFolderNameHeight, MeasureSpec.EXACTLY));
setMeasuredDimension(width, height);
}
public void animateOpen() {
if (!(getParent() instanceof DragLayer)) return;
Animator openFolderAnim = null;
final Runnable onCompleteRunnable;
if (!Utilities.isLmpOrAbove()) {
positionAndSizeAsIcon();
centerAboutIcon();
PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat("alpha", 1);
PropertyValuesHolder scaleX = PropertyValuesHolder.ofFloat("scaleX", 1.0f);
PropertyValuesHolder scaleY = PropertyValuesHolder.ofFloat("scaleY", 1.0f);
final ObjectAnimator oa =
LauncherAnimUtils.ofPropertyValuesHolder(this, alpha, scaleX, scaleY);
oa.setDuration(mExpandDuration);
openFolderAnim = oa;
setLayerType(LAYER_TYPE_HARDWARE, null);
onCompleteRunnable =
new Runnable() {
@Override
public void run() {
setLayerType(LAYER_TYPE_NONE, null);
}
};
} else {
prepareReveal();
centerAboutIcon();
int width = getPaddingLeft() + getPaddingRight() + mContent.getDesiredWidth();
int height = getFolderHeight();
float transX = -0.075f * (width / 2 - getPivotX());
float transY = -0.075f * (height / 2 - getPivotY());
setTranslationX(transX);
setTranslationY(transY);
PropertyValuesHolder tx = PropertyValuesHolder.ofFloat("translationX", transX, 0);
PropertyValuesHolder ty = PropertyValuesHolder.ofFloat("translationY", transY, 0);
int rx = (int) Math.max(Math.max(width - getPivotX(), 0), getPivotX());
int ry = (int) Math.max(Math.max(height - getPivotY(), 0), getPivotY());
float radius = (float) Math.sqrt(rx * rx + ry * ry);
AnimatorSet anim = LauncherAnimUtils.createAnimatorSet();
Animator reveal =
LauncherAnimUtils.createCircularReveal(
this, (int) getPivotX(), (int) getPivotY(), 0, radius);
reveal.setDuration(mMaterialExpandDuration);
reveal.setInterpolator(new LogDecelerateInterpolator(100, 0));
mContent.setAlpha(0f);
Animator iconsAlpha = LauncherAnimUtils.ofFloat(mContent, "alpha", 0f, 1f);
iconsAlpha.setDuration(mMaterialExpandDuration);
iconsAlpha.setStartDelay(mMaterialExpandStagger);
iconsAlpha.setInterpolator(new AccelerateInterpolator(1.5f));
mFolderName.setAlpha(0f);
Animator textAlpha = LauncherAnimUtils.ofFloat(mFolderName, "alpha", 0f, 1f);
textAlpha.setDuration(mMaterialExpandDuration);
textAlpha.setStartDelay(mMaterialExpandStagger);
textAlpha.setInterpolator(new AccelerateInterpolator(1.5f));
Animator drift = LauncherAnimUtils.ofPropertyValuesHolder(this, tx, ty);
drift.setDuration(mMaterialExpandDuration);
drift.setStartDelay(mMaterialExpandStagger);
drift.setInterpolator(new LogDecelerateInterpolator(60, 0));
anim.play(drift);
anim.play(iconsAlpha);
anim.play(textAlpha);
anim.play(reveal);
openFolderAnim = anim;
mContent.setLayerType(LAYER_TYPE_HARDWARE, null);
onCompleteRunnable =
new Runnable() {
@Override
public void run() {
mContent.setLayerType(LAYER_TYPE_NONE, null);
}
};
}
openFolderAnim.addListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationStart(Animator animation) {
sendCustomAccessibilityEvent(
AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED,
String.format(
getContext().getString(R.string.folder_opened),
mContent.getCountX(),
mContent.getCountY()));
mState = STATE_ANIMATING;
}
@Override
public void onAnimationEnd(Animator animation) {
mState = STATE_OPEN;
if (onCompleteRunnable != null) {
onCompleteRunnable.run();
}
setFocusOnFirstChild();
}
});
openFolderAnim.start();
// Make sure the folder picks up the last drag move even if the finger doesn't move.
if (mDragController.isDragging()) {
mDragController.forceTouchMove();
}
}
public void startEditingFolderName() {
mFolderName.setHint("");
mIsEditingName = true;
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
mScrollView = (ScrollView) findViewById(R.id.scroll_view);
mContent = (CellLayout) findViewById(R.id.folder_content);
mFocusIndicatorHandler = new FocusIndicatorView(getContext());
mContent.addView(mFocusIndicatorHandler, 0);
mFocusIndicatorHandler.getLayoutParams().height = FocusIndicatorView.DEFAULT_LAYOUT_SIZE;
mFocusIndicatorHandler.getLayoutParams().width = FocusIndicatorView.DEFAULT_LAYOUT_SIZE;
LauncherAppState app = LauncherAppState.getInstance();
DeviceProfile grid = app.getDynamicGrid().getDeviceProfile();
mContent.setCellDimensions(grid.folderCellWidthPx, grid.folderCellHeightPx);
mContent.setGridSize(0, 0);
mContent.getShortcutsAndWidgets().setMotionEventSplittingEnabled(false);
mContent.setInvertIfRtl(true);
mFolderName = (FolderEditText) findViewById(R.id.folder_name);
mFolderName.setFolder(this);
if (mLauncher.getLockWorkspace()) {
mFolderName.setKeyListener(null);
mFolderName.setFocusable(false);
} else {
mFolderName.setOnFocusChangeListener(this);
}
// We find out how tall the text view wants to be (it is set to wrap_content), so that
// we can allocate the appropriate amount of space for it.
int measureSpec = MeasureSpec.UNSPECIFIED;
mFolderName.measure(measureSpec, measureSpec);
mFolderNameHeight = mFolderName.getMeasuredHeight();
// We disable action mode for now since it messes up the view on phones
mFolderName.setCustomSelectionActionModeCallback(mActionModeCallback);
mFolderName.setOnEditorActionListener(this);
mFolderName.setSelectAllOnFocus(true);
mFolderName.setInputType(
mFolderName.getInputType()
| InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS
| InputType.TYPE_TEXT_FLAG_CAP_WORDS);
mAutoScrollHelper = new FolderAutoScrollHelper(mScrollView);
boolean hideFolderName =
SettingsProvider.getBoolean(mLauncher, SettingsProvider.HIDE_FOLDER_NAME, false);
if (hideFolderName) {
mFolderName.setVisibility(View.GONE);
mFolderNameHeight = 0;
}
}