Apply new clipboard to text component

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

diff --git a/dali-toolkit/internal/text/controller/text-controller.cpp b/dali-toolkit/internal/text/controller/text-controller.cpp
index d56f88b..f61a037 100644 (file)
--- a/dali-toolkit/internal/text/controller/text-controller.cpp
+++ b/dali-toolkit/internal/text/controller/text-controller.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2023 Samsung Electronics Co., Ltd.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -45,7 +45,8 @@ namespace
 Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, true, "LOG_TEXT_CONTROLS");
 #endif
 
-const std::string EMPTY_STRING("");
+const char* EMPTY_STRING = "";
+const char* MIME_TYPE_TEXT_PLAIN = "text/plain;charset=utf-8";
 
 template<typename Type>
 void EnsureCreated(Type*& object)
@@ -85,10 +86,15 @@ void EnsureCreated(Type*& object, Arg1 arg1, Arg2 arg2)
 
 float GetDpi()
 {
-  unsigned int                      horizontalDpi = 0u;
-  unsigned int                      verticalDpi   = 0u;
-  Dali::TextAbstraction::FontClient fontClient    = Dali::TextAbstraction::FontClient::Get();
-  fontClient.GetDpi(horizontalDpi, verticalDpi);
+  static uint32_t horizontalDpi = 0u;
+  static uint32_t verticalDpi   = 0u;
+
+  // TODO : How can we know when fontClient DPI changed case?
+  if(DALI_UNLIKELY(horizontalDpi == 0u))
+  {
+    Dali::TextAbstraction::FontClient fontClient = Dali::TextAbstraction::FontClient::Get();
+    fontClient.GetDpi(horizontalDpi, verticalDpi);
+  }
   return static_cast<float>(horizontalDpi);
 }
 
@@ -413,6 +419,11 @@ float Controller::GetTextFitPointSize() const
   return mImpl->mFontDefaults ? mImpl->mFontDefaults->mFitPointSize : 0.0f;
 }
 
+void Controller::SetTextFitLineSize(float lineSize)
+{
+  mImpl->mTextFitLineSize = lineSize;
+}
+
 void Controller::SetPlaceholderTextElideEnabled(bool enabled)
 {
   PlaceholderHandler::SetPlaceholderTextElideEnabled(*this, enabled);
@@ -473,6 +484,11 @@ void Controller::GetText(std::string& text) const
   mImpl->GetText(text);
 }
 
+Length Controller::GetNumberOfCharacters() const
+{
+  return mImpl->GetNumberOfCharacters();
+}
+
 void Controller::SetSpannedText(const Text::Spanned& spannedText)
 {
   SpannableHandler::SetSpannedText(*this, spannedText);
@@ -538,7 +554,7 @@ void Controller::SetDefaultFontFamily(const std::string& defaultFontFamily)
   }
 }
 
-const std::string& Controller::GetDefaultFontFamily() const
+std::string Controller::GetDefaultFontFamily() const
 {
   return mImpl->mFontDefaults ? mImpl->mFontDefaults->mFontDescription.family : EMPTY_STRING;
 }
@@ -548,7 +564,7 @@ void Controller::SetPlaceholderFontFamily(const std::string& placeholderTextFont
   PlaceholderHandler::SetPlaceholderFontFamily(*this, placeholderTextFontFamily);
 }
 
-const std::string& Controller::GetPlaceholderFontFamily() const
+std::string Controller::GetPlaceholderFontFamily() const
 {
   return PlaceholderHandler::GetPlaceholderFontFamily(*this);
 }
@@ -945,7 +961,7 @@ void Controller::SetDefaultEmbossProperties(const std::string& embossProperties)
   mImpl->mEmbossDefaults->properties = embossProperties;
 }
 
-const std::string& Controller::GetDefaultEmbossProperties() const
+std::string Controller::GetDefaultEmbossProperties() const
 {
   return mImpl->mEmbossDefaults ? mImpl->mEmbossDefaults->properties : EMPTY_STRING;
 }
@@ -956,7 +972,7 @@ void Controller::SetDefaultOutlineProperties(const std::string& outlinePropertie
   mImpl->mOutlineDefaults->properties = outlineProperties;
 }
 
-const std::string& Controller::GetDefaultOutlineProperties() const
+std::string Controller::GetDefaultOutlineProperties() const
 {
   return mImpl->mOutlineDefaults ? mImpl->mOutlineDefaults->properties : EMPTY_STRING;
 }
@@ -1006,7 +1022,7 @@ void Controller::SetInputFontFamily(const std::string& fontFamily)
   InputFontHandler::SetInputFontFamily(*this, fontFamily);
 }
 
-const std::string& Controller::GetInputFontFamily() const
+std::string Controller::GetInputFontFamily() const
 {
   return InputFontHandler::GetInputFontFamily(*this);
 }
@@ -1081,7 +1097,7 @@ void Controller::SetInputShadowProperties(const std::string& shadowProperties)
   InputProperties::SetInputShadowProperties(*this, shadowProperties);
 }
 
-const std::string& Controller::GetInputShadowProperties() const
+std::string Controller::GetInputShadowProperties() const
 {
   return InputProperties::GetInputShadowProperties(*this);
 }
@@ -1091,7 +1107,7 @@ void Controller::SetInputUnderlineProperties(const std::string& underlinePropert
   InputProperties::SetInputUnderlineProperties(*this, underlineProperties);
 }
 
-const std::string& Controller::GetInputUnderlineProperties() const
+std::string Controller::GetInputUnderlineProperties() const
 {
   return InputProperties::GetInputUnderlineProperties(*this);
 }
@@ -1101,7 +1117,7 @@ void Controller::SetInputEmbossProperties(const std::string& embossProperties)
   InputProperties::SetInputEmbossProperties(*this, embossProperties);
 }
 
-const std::string& Controller::GetInputEmbossProperties() const
+std::string Controller::GetInputEmbossProperties() const
 {
   return InputProperties::GetInputEmbossProperties(*this);
 }
@@ -1111,7 +1127,7 @@ void Controller::SetInputOutlineProperties(const std::string& outlineProperties)
   InputProperties::SetInputOutlineProperties(*this, outlineProperties);
 }
 
-const std::string& Controller::GetInputOutlineProperties() const
+std::string Controller::GetInputOutlineProperties() const
 {
   return InputProperties::GetInputOutlineProperties(*this);
 }
@@ -1236,7 +1252,7 @@ void Controller::SetInputStrikethroughProperties(const std::string& strikethroug
   }
 }
 
-const std::string& Controller::GetInputStrikethroughProperties() const
+std::string Controller::GetInputStrikethroughProperties() const
 {
   return (NULL != mImpl->mEventData) ? mImpl->mEventData->mInputStyle.strikethroughProperties : EMPTY_STRING;
 }
@@ -1598,19 +1614,40 @@ string Controller::CutText()
   return mImpl->CutText();
 }
 
-void Controller::PasteText()
+void Controller::PasteClipboardItemEvent(uint32_t id, const char* mimeType, const char* data)
 {
-  mImpl->RequestGetTextFromClipboard(); // Request clipboard service to retrieve an item
+  // Upon receiving the data, it is important to disconnect the signal
+  // to avoid potential unintended pasting caused by subsequent requests.
+  mImpl->mClipboard.DataReceivedSignal().Disconnect(this, &Controller::PasteClipboardItemEvent);
+
+  // If the id is 0u, it is an invalid response.
+  // text-controller allows only plain text type.
+  if(id != 0u && !strncmp(mimeType, MIME_TYPE_TEXT_PLAIN, strlen(MIME_TYPE_TEXT_PLAIN)))
+  {
+    EventHandler::PasteClipboardItemEvent(*this, data);
+  }
 }
 
-InputMethodContext::CallbackData Controller::OnInputMethodContextEvent(InputMethodContext& inputMethodContext, const InputMethodContext::EventData& inputMethodContextEvent)
+void Controller::PasteText()
 {
-  return EventHandler::OnInputMethodContextEvent(*this, inputMethodContext, inputMethodContextEvent);
+  if(mImpl->EnsureClipboardCreated())
+  {
+    // Connect the signal before calling GetData() of the clipboard.
+    mImpl->mClipboard.DataReceivedSignal().Connect(this, &Controller::PasteClipboardItemEvent);
+
+    // Request clipboard service to retrieve an item.
+    uint id = mImpl->mClipboard.GetData(MIME_TYPE_TEXT_PLAIN);
+    if(id == 0u)
+    {
+      // If the return id is 0u, the signal is not emitted, we must disconnect signal here.
+      mImpl->mClipboard.DataReceivedSignal().Disconnect(this, &Controller::PasteClipboardItemEvent);
+    }
+  }
 }
 
-void Controller::PasteClipboardItemEvent()
+InputMethodContext::CallbackData Controller::OnInputMethodContextEvent(InputMethodContext& inputMethodContext, const InputMethodContext::EventData& inputMethodContextEvent)
 {
-  EventHandler::PasteClipboardItemEvent(*this);
+  return EventHandler::OnInputMethodContextEvent(*this, inputMethodContext, inputMethodContextEvent);
 }
 
 void Controller::GetTargetSize(Vector2& targetSize)
@@ -1735,7 +1772,6 @@ Controller::Controller(ControlInterface*           controlInterface,
 
 Controller::~Controller()
 {
-  delete mImpl;
 }
 
 } // namespace Dali::Toolkit::Text