If the text size is too large, crash or deadlock will occur.

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / text / text-controller.cpp

diff --git a/dali-toolkit/internal/text/text-controller.cpp b/dali-toolkit/internal/text/text-controller.cpp
index 58bf52a..36314c9 100755 (executable)
--- a/dali-toolkit/internal/text/text-controller.cpp
+++ b/dali-toolkit/internal/text/text-controller.cpp
@@ -61,6 +61,7 @@ const char * const PLACEHOLDER_FONT_STYLE = "fontStyle";
 const char * const PLACEHOLDER_POINT_SIZE = "pointSize";
 const char * const PLACEHOLDER_PIXEL_SIZE = "pixelSize";
 const char * const PLACEHOLDER_ELLIPSIS = "ellipsis";
+const unsigned int MAX_TEXT_LENGTH = 1024u * 32u;
 
 float ConvertToEven( float value )
 {
@@ -309,7 +310,7 @@ bool Controller::IsSmoothHandlePanEnabled() const
 
 void Controller::SetMaximumNumberOfCharacters( Length maxCharacters )
 {
-  mImpl->mMaximumNumberOfCharacters = maxCharacters;
+  mImpl->mMaximumNumberOfCharacters = std::min( maxCharacters, MAX_TEXT_LENGTH );
 }
 
 int Controller::GetMaximumNumberOfCharacters()
@@ -435,6 +436,11 @@ void Controller::SetLayoutDirection( Dali::LayoutDirection::Type layoutDirection
   mImpl->mLayoutDirection = layoutDirection;
 }
 
+bool Controller::IsShowingRealText() const
+{
+  return mImpl->IsShowingRealText();
+}
+
 
 void Controller::SetLineWrapMode( Text::LineWrap::Mode lineWrapMode )
 {
@@ -522,6 +528,16 @@ bool Controller::IsGrabHandleEnabled() const
   return mImpl->mEventData->mGrabHandleEnabled;
 }
 
+void Controller::SetGrabHandlePopupEnabled(bool enabled)
+{
+  mImpl->mEventData->mGrabHandlePopupEnabled = enabled;
+}
+
+bool Controller::IsGrabHandlePopupEnabled() const
+{
+  return mImpl->mEventData->mGrabHandlePopupEnabled;
+}
+
 // public : Update
 
 void Controller::SetText( const std::string& text )
@@ -577,6 +593,13 @@ void Controller::SetText( const std::string& text )
       utf8 = reinterpret_cast<const uint8_t*>( text.c_str() );
     }
 
+    // Limit the text size. If the text size is too large, crash or deadlock will occur.
+    if( textSize > MAX_TEXT_LENGTH )
+    {
+      DALI_LOG_WARNING( "The text size is too large(%d), limit the length to 32,768u\n", textSize );
+      textSize = MAX_TEXT_LENGTH;
+    }
+
     //  Convert text into UTF-32
     Vector<Character>& utf32Characters = mImpl->mModel->mLogicalModel->mText;
     utf32Characters.Resize( textSize );
@@ -2814,6 +2837,32 @@ void Controller::LongPressEvent( Gesture::State state, float x, float y  )
   }
 }
 
+void Controller::SelectEvent( float x, float y, bool selectAll )
+{
+  DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::SelectEvent\n" );
+
+  if( NULL != mImpl->mEventData )
+  {
+    if( selectAll )
+    {
+      Event event( Event::SELECT_ALL );
+      mImpl->mEventData->mEventQueue.push_back( event );
+    }
+    else
+    {
+      Event event( Event::SELECT );
+      event.p2.mFloat = x;
+      event.p3.mFloat = y;
+      mImpl->mEventData->mEventQueue.push_back( event );
+    }
+
+    mImpl->mEventData->mCheckScrollAmount = true;
+    mImpl->mEventData->mIsLeftHandleSelected = true;
+    mImpl->mEventData->mIsRightHandleSelected = true;
+    mImpl->RequestRelayout();
+  }
+}
+
 InputMethodContext::CallbackData Controller::OnInputMethodContextEvent( InputMethodContext& inputMethodContext, const InputMethodContext::EventData& inputMethodContextEvent )
 {
   // Whether the text needs to be relaid-out.
@@ -3862,32 +3911,6 @@ void Controller::TextDeletedEvent()
   mImpl->mOperationsPending = ALL_OPERATIONS;
 }
 
-void Controller::SelectEvent( float x, float y, bool selectAll )
-{
-  DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::SelectEvent\n" );
-
-  if( NULL != mImpl->mEventData )
-  {
-    if( selectAll )
-    {
-      Event event( Event::SELECT_ALL );
-      mImpl->mEventData->mEventQueue.push_back( event );
-    }
-    else
-    {
-      Event event( Event::SELECT );
-      event.p2.mFloat = x;
-      event.p3.mFloat = y;
-      mImpl->mEventData->mEventQueue.push_back( event );
-    }
-
-    mImpl->mEventData->mCheckScrollAmount = true;
-    mImpl->mEventData->mIsLeftHandleSelected = true;
-    mImpl->mEventData->mIsRightHandleSelected = true;
-    mImpl->RequestRelayout();
-  }
-}
-
 bool Controller::DeleteEvent( int keyCode )
 {
   DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Controller::KeyEvent %p KeyCode : %d \n", this, keyCode );