[Tizen] 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 227760f..d83483f 100755 (executable)
--- a/dali-toolkit/internal/text/text-controller.cpp
+++ b/dali-toolkit/internal/text/text-controller.cpp
@@ -417,6 +417,22 @@ void Controller::SetIgnoreSpacesAfterText( bool ignore )
   mImpl->mModel->mIgnoreSpacesAfterText = ignore;
 }
 
+bool Controller::IsMatchSystemLanguageDirection() const
+{
+  return mImpl->mModel->mMatchSystemLanguageDirection;
+}
+
+void Controller::SetMatchSystemLanguageDirection( bool match )
+{
+  mImpl->mModel->mMatchSystemLanguageDirection = match;
+}
+
+void Controller::SetLayoutDirection( Dali::LayoutDirection::Type layoutDirection )
+{
+  mImpl->mLayoutDirection = layoutDirection;
+}
+
+
 void Controller::SetLineWrapMode( Text::LineWrap::Mode lineWrapMode )
 {
   if( lineWrapMode != mImpl->mModel->mLineWrapMode )
@@ -557,6 +573,13 @@ void Controller::SetText( const std::string& text )
       utf8 = reinterpret_cast<const uint8_t*>( text.c_str() );
     }
 
+    const Length maxTextLength = 32768u; // 1024 * 32;
+    if( textSize > maxTextLength )
+    {
+      DALI_LOG_WARNING( "The text size is too large(%d), limit the length to 32,768u\n", textSize );
+      textSize = maxTextLength;
+    }
+
     //  Convert text into UTF-32
     Vector<Character>& utf32Characters = mImpl->mModel->mLogicalModel->mText;
     utf32Characters.Resize( textSize );
@@ -2228,12 +2251,13 @@ void Controller::SetVerticalLineAlignment( Toolkit::DevelText::VerticalLineAlign
 
 // public : Relayout.
 
-Controller::UpdateTextType Controller::Relayout( const Size& size )
+Controller::UpdateTextType Controller::Relayout( const Size& size, Dali::LayoutDirection::Type layoutDirection )
 {
   DALI_LOG_INFO( gLogFilter, Debug::Verbose, "-->Controller::Relayout %p size %f,%f, autoScroll[%s]\n", this, size.width, size.height, mImpl->mIsAutoScrollEnabled ?"true":"false"  );
 
   UpdateTextType updateTextType = NONE_UPDATED;
 
+
   if( ( size.width < Math::MACHINE_EPSILON_1000 ) || ( size.height < Math::MACHINE_EPSILON_1000 ) )
   {
     if( 0u != mImpl->mModel->mVisualModel->mGlyphPositions.Count() )
@@ -2301,6 +2325,21 @@ Controller::UpdateTextType Controller::Relayout( const Size& size )
     mImpl->mTextUpdateInfo.mCharacterIndex = 0u;
   }
 
+  if( mImpl->mModel->mMatchSystemLanguageDirection  && mImpl->mLayoutDirection != layoutDirection )
+  {
+    // Clear the update info. This info will be set the next time the text is updated.
+    mImpl->mTextUpdateInfo.mClearAll = true;
+    // Apply modifications to the model
+    mImpl->mOperationsPending = static_cast<OperationsMask>( mImpl->mOperationsPending |
+                                                             GET_GLYPH_METRICS         |
+                                                             SHAPE_TEXT                |
+                                                             UPDATE_DIRECTION          |
+                                                             LAYOUT                    |
+                                                             BIDI_INFO                 |
+                                                             REORDER );
+    mImpl->mLayoutDirection = layoutDirection;
+  }
+
   // Make sure the model is up-to-date before layouting.
   ProcessModifyEvents();
   bool updated = mImpl->UpdateModel( mImpl->mOperationsPending );
@@ -2412,6 +2451,7 @@ void Controller::KeyboardFocusGainEvent()
       mImpl->ChangeState( EventData::EDITING );
       mImpl->mEventData->mUpdateCursorPosition = true; //If editing started without tap event, cursor update must be triggered.
       mImpl->mEventData->mUpdateInputStyle = true;
+      mImpl->mEventData->mScrollAfterUpdatePosition = true;
     }
     mImpl->NotifyInputMethodContextMultiLineStatus();
     if( mImpl->IsShowingPlaceholderText() )
@@ -3529,8 +3569,7 @@ bool Controller::DoRelayout( const Size& size,
     const float outlineWidth = static_cast<float>( mImpl->mModel->GetOutlineWidth() );
 
     // Set the layout parameters.
-    const Vector2 sizeOffset = Vector2(outlineWidth * 2.0f, outlineWidth * 2.0f); // The outline should be fit into the bounding box
-    Layout::Parameters layoutParameters( size - sizeOffset,
+    Layout::Parameters layoutParameters( size,
                                          textBuffer,
                                          lineBreakInfo.Begin(),
                                          wordBreakInfo.Begin(),
@@ -3544,7 +3583,8 @@ bool Controller::DoRelayout( const Size& size,
                                          mImpl->mModel->mHorizontalAlignment,
                                          mImpl->mModel->mLineWrapMode,
                                          outlineWidth,
-                                         mImpl->mModel->mIgnoreSpacesAfterText );
+                                         mImpl->mModel->mIgnoreSpacesAfterText,
+                                         mImpl->mModel->mMatchSystemLanguageDirection );
 
     // Resize the vector of positions to have the same size than the vector of glyphs.
     Vector<Vector2>& glyphPositions = mImpl->mModel->mVisualModel->mGlyphPositions;
@@ -3662,7 +3702,9 @@ bool Controller::DoRelayout( const Size& size,
                                 requestedNumberOfCharacters,
                                 mImpl->mModel->mHorizontalAlignment,
                                 lines,
-                                mImpl->mModel->mAlignmentOffset );
+                                mImpl->mModel->mAlignmentOffset,
+                                mImpl->mLayoutDirection,
+                                mImpl->mModel->mMatchSystemLanguageDirection );
 
     viewUpdated = true;
   }