add RecyclerView::SavedState

src/gui/core/inputdevice.cc

@@ -573,7 +573,7 @@ int TouchDevice::putRawEvent(const struct timeval&tv,int type,int code,int value
         slot = mTrack2Slot.indexOfKey(mProp.id);
 #else
         slot = mProp.id;
-        if( (mProp.id==-1) && ((mDeviceClasses&INPUT_DEVICE_CLASS_TOUCH_MT)==0) )
+        if( (mProp.id==-1) && ((mCorrectedDeviceClasses&INPUT_DEVICE_CLASS_TOUCH_MT)==0) )
             mProp.id = 0;
 #endif
         slot = slot>=0?slot:0;

src/gui/core/layout.cc

@@ -576,19 +576,13 @@ void Layout::relayout(bool force){
 
 static const std::string processBidi(const std::wstring&logstr){
 #ifdef ENABLE_FRIBIDI
-    size_t wsize=logstr.length()+1;
-    FriBidiCharType base_dir=FRIBIDI_TYPE_ON;
-    FriBidiChar * visstr= new FriBidiChar[wsize] ;
-    FriBidiLevel* level = new FriBidiLevel[wsize];
-    FriBidiStrIndex *posLV= new FriBidiStrIndex[wsize];
-    FriBidiStrIndex *posVL= new FriBidiStrIndex[wsize];
+    const size_t wsize = logstr.length()+1;
+    FriBidiCharType base_dir = FRIBIDI_TYPE_ON;
+    FriBidiChar * visstr = new FriBidiChar[wsize] ;
 
-    fribidi_log2vis((const FriBidiChar*)logstr.c_str(),logstr.length(),&base_dir,visstr,posLV,posVL,level);
+    fribidi_log2vis((const FriBidiChar*)logstr.c_str(),logstr.length(),&base_dir,visstr,nullptr,nullptr,nullptr);
     std::wstring biditxt((const wchar_t*)visstr,wsize-1);
     delete [] visstr;
-    delete [] posLV;
-    delete [] posVL;
-    delete [] level;
     return TextUtils::unicode2utf8(biditxt); 
 #else
     return TextUtils::unicode2utf8(logstr);
@@ -621,7 +615,7 @@ void  Layout::drawText(Canvas&canvas,int firstLine,int lastLine){
             line.size(),lw,int(te.x_advance));
         canvas.move_to(x,y);
         canvas.show_text(processBidi(line));
-        if(mCaretPos>=lineStart&&mCaretPos<lineEnd){
+        if( (mCaretPos>=lineStart) && (mCaretPos<lineEnd) ){
             measureSize(line.substr(0,mCaretPos-lineStart),te,nullptr);
             mCaretRect.left= x + te.x_advance;
             mCaretRect.top = lineNum * mLineHeight;

src/gui/widgetEx/recyclerview/linearlayoutmanager.cc

@@ -17,6 +17,7 @@ LinearLayoutManager::LinearLayoutManager(Context* context,int orientation,bool r
     mStackFromEnd = false;
     mShouldReverseLayout = false;
     mRecycleChildrenOnDetach = true;
+    mInitialPrefetchItemCount = 2;
     mAnchorInfo = new AnchorInfo();
     mLayoutChunkResult = new LayoutChunkResult();
     setOrientation(orientation);
@@ -98,6 +99,7 @@ Parcelable* LinearLayoutManager::onSaveInstanceState() {
     }
     return state;
 }
+
 void LinearLayoutManager::onRestoreInstanceState(Parcelable& state) {
     if (dynamic_cast<SavedState*>(&state)) {
         mPendingSavedState = (SavedState*)&state;

src/gui/widgetEx/recyclerview/linearlayoutmanager.h

@@ -26,8 +26,8 @@ private:
     bool mStackFromEnd = false;
     bool mSmoothScrollbarEnabled = true;
     bool mRecycleChildrenOnDetach;
-    LayoutChunkResult* mLayoutChunkResult;// = new LayoutChunkResult();
-    int mInitialPrefetchItemCount = 2;
+    LayoutChunkResult* mLayoutChunkResult;;
+    int mInitialPrefetchItemCount;
     int mReusableIntPair[2];
 private:
     void resolveShouldLayoutReverse();

src/gui/widgetEx/recyclerview/recyclerview.cc

@@ -124,6 +124,7 @@ RecyclerView::~RecyclerView(){
     delete mBottomGlow;
     delete mEdgeEffectFactory;
     delete mScrollingChildHelper;
+    delete mPendingSavedState;
     delete (ViewInfoStore::ProcessCallback*)mViewInfoProcessCallback;
 }
 
@@ -145,6 +146,7 @@ void RecyclerView::initRecyclerView(){
     mViewFlinger = new ViewFlinger(this);
     mItemAnimator= nullptr;
     mRecycler = new Recycler(this);
+    mPendingSavedState = nullptr;
     mObserver = new RecyclerViewDataObserver(this);
     mLeftGlow = mTopGlow = nullptr;
     mRightGlow = mBottomGlow = nullptr;
@@ -616,34 +618,28 @@ RecyclerView::OnFlingListener RecyclerView::getOnFlingListener() {
 }
 
 Parcelable* RecyclerView::onSaveInstanceState() {
-#if 0 
-    SavedState* state = new SavedState(super.onSaveInstanceState());;
+    SavedState* state = new SavedState(ViewGroup::onSaveInstanceState());
     if (mPendingSavedState != nullptr) {
-        state->copyFrom(mPendingSavedState);
+        state->copyFrom(*mPendingSavedState);
     } else if (mLayout != nullptr) {
         state->mLayoutState = mLayout->onSaveInstanceState();
     } else {
         state->mLayoutState = nullptr;
     }
     return state;
-#else
-    return nullptr;
-#endif
 }
 
 void RecyclerView::onRestoreInstanceState(Parcelable& state) {
-#if 0
-    if (!(dynamic_cast<SavedState*>(&state)) {
-	ViewGroup::onRestoreInstanceState(state);
+    if (dynamic_cast<SavedState*>(&state)==nullptr) {
+        ViewGroup::onRestoreInstanceState(state);
         return;
     }
 
     mPendingSavedState = (SavedState*)& state;
-    ViewGroup::onRestoreInstanceState(mPendingSavedState.getSuperState());
-    if (mLayout != null && mPendingSavedState.mLayoutState != null) {
-        mLayout->onRestoreInstanceState(mPendingSavedState.mLayoutState);
+    ViewGroup::onRestoreInstanceState(*mPendingSavedState->getSuperState());
+    if (mLayout != nullptr && mPendingSavedState->mLayoutState != nullptr) {
+        mLayout->onRestoreInstanceState(*mPendingSavedState->mLayoutState);
     }
-#endif
 }
 
 void RecyclerView::dispatchSaveInstanceState(SparseArray<Parcelable*>& container) {
@@ -6801,47 +6797,25 @@ void RecyclerView::SmoothScroller::Action::update(int dx,int dy,int duration,Int
 }
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////
-#if 0
-public static class SavedState extends AbsSavedState {
+/** called by CREATOR */
+RecyclerView::SavedState::SavedState(Parcel& in):AbsSavedState(in){
+    //super(in, loader);
+    //mLayoutState = in.readParcelable(loader != null ? loader : LayoutManager.class.getClassLoader());
+}
 
-        Parcelable mLayoutState;
+/**Called by onSaveInstanceState */
+RecyclerView::SavedState::SavedState(Parcelable* superState):AbsSavedState(superState){
+}
 
-        /** called by CREATOR */
-        SavedState(Parcel in, ClassLoader loader) {
-            super(in, loader);
-            mLayoutState = in.readParcelable(
-                    loader != null ? loader : LayoutManager.class.getClassLoader());
-        }
+void RecyclerView::SavedState::writeToParcel(Parcel& dest, int flags) {
+    AbsSavedState::writeToParcel(dest, flags);
+    //dest.writeParcelable(mLayoutState, 0);
+}
 
-        /**Called by onSaveInstanceState */
-        SavedState(Parcelable superState) {
-            super(superState);
-        }
+void RecyclerView::SavedState::copyFrom(SavedState& other) {
+    mLayoutState = other.mLayoutState;
+}
 
-        public void writeToParcel(Parcel dest, int flags) {
-            super.writeToParcel(dest, flags);
-            dest.writeParcelable(mLayoutState, 0);
-        }
-
-        void copyFrom(SavedState other) {
-            mLayoutState = other.mLayoutState;
-        }
-
-        public static final Creator<SavedState> CREATOR = new ClassLoaderCreator<SavedState>() {
-            public SavedState createFromParcel(Parcel in, ClassLoader loader) {
-                return new SavedState(in, loader);
-            }
-
-            public SavedState createFromParcel(Parcel in) {
-                return new SavedState(in, null);
-            }
-
-            public SavedState[] newArray(int size) {
-                return new SavedState[size];
-            }
-        };
-    }
-#endif
 
 bool RecyclerView::AdapterDataObservable::hasObservers() const{
     return !mObservers.empty();

src/gui/widgetEx/recyclerview/recyclerview.h

@@ -25,6 +25,7 @@ public:
     class ViewHolder;
     class Recycler;
     class State;
+    class SavedState;
     class LayoutManager;
     class AdapterDataObservable;
     class RecycledViewPool;
@@ -448,6 +449,7 @@ public:
 private:
     RecyclerViewDataObserver* mObserver;
     Recycler* mRecycler;
+    SavedState* mPendingSavedState;
     AdapterHelper* mAdapterHelper;
     ChildHelper* mChildHelper;
     ViewInfoStore* mViewInfoStore;
@@ -811,6 +813,7 @@ public:
     int getViewLayoutPosition();
     int getViewAdapterPosition();
 };
+
 class RecyclerView::EdgeEffectFactory {
 public:
     friend RecyclerView;
@@ -1088,6 +1091,18 @@ public:
     void notifyItemRangeRemoved(int positionStart, int itemCount);
     void notifyItemMoved(int fromPosition, int toPosition);
 };
+
+class RecyclerView::SavedState:public AbsSavedState{
+protected:
+    Parcelable*mLayoutState;
+    friend RecyclerView;
+public:
+    SavedState(Parcel&in);
+    SavedState(Parcelable*superState);
+    void writeToParcel(Parcel&dest,int flags)override;
+    void copyFrom(SavedState&other);
+};
+
 class RecyclerView::State{
 protected:
     friend RecyclerView;