Handle the key-up event in text_input_channel (flutter-tizen#238)

* Long press event was recently added to the input panel of VD.
  So we have to handle the key-up event appropriately.

Signed-off-by: Boram Bae <boram21.bae@samsung.com>

shell/platform/tizen/channels/text_input_channel.cc

@@ -124,11 +124,11 @@ TextInputChannel::TextInputChannel(
 TextInputChannel::~TextInputChannel() {}
 
 bool TextInputChannel::SendKeyEvent(Ecore_Event_Key* key, bool is_down) {
-  if (!active_model_ || !is_down) {
+  if (!active_model_) {
     return false;
   }
 
-  if (!FilterEvent(key)) {
+  if (!FilterEvent(key, is_down) && is_down) {
     HandleUnfilteredEvent(key);
   }
 
@@ -314,7 +314,7 @@ void TextInputChannel::SendStateUpdate(const TextInputModel& model) {
   channel_->InvokeMethod(kUpdateEditingStateMethod, std::move(args));
 }
 
-bool TextInputChannel::FilterEvent(Ecore_Event_Key* event) {
+bool TextInputChannel::FilterEvent(Ecore_Event_Key* event, bool is_down) {
   bool handled = false;
 
 #if defined(__X64_SHELL__)
@@ -339,7 +339,8 @@ bool TextInputChannel::FilterEvent(Ecore_Event_Key* event) {
     return false;
   }
 
-  handled = input_method_context_->FilterEvent(event, is_ime ? "ime" : "");
+  handled =
+      input_method_context_->FilterEvent(event, is_ime ? "ime" : "", is_down);
 
 #ifdef WEARABLE_PROFILE
   if (!handled && !strcmp(event->key, "Return") &&

shell/platform/tizen/channels/text_input_channel.h

@@ -43,7 +43,7 @@ class TextInputChannel {
       const MethodCall<rapidjson::Document>& method_call,
       std::unique_ptr<MethodResult<rapidjson::Document>> result);
   void SendStateUpdate(const TextInputModel& model);
-  bool FilterEvent(Ecore_Event_Key* event);
+  bool FilterEvent(Ecore_Event_Key* event, bool is_down);
   void HandleUnfilteredEvent(Ecore_Event_Key* event);
   void EnterPressed(TextInputModel* model, bool select);
   void ResetTextEditingContext() {

shell/platform/tizen/tizen_input_method_context.cc

@@ -20,7 +20,7 @@ const char* GetEcoreImfContextAvailableId() {
   return nullptr;
 }
 
-Ecore_IMF_Input_Panel_Layout TextInputTypeToEcoreIMFInputPanelLayout(
+Ecore_IMF_Input_Panel_Layout TextInputTypeToEcoreImfInputPanelLayout(
     const std::string& text_input_type) {
   if (text_input_type == "TextInputType.text" ||
       text_input_type == "TextInputType.multiline") {
@@ -44,7 +44,7 @@ Ecore_IMF_Input_Panel_Layout TextInputTypeToEcoreIMFInputPanelLayout(
   }
 }
 
-Ecore_IMF_Keyboard_Modifiers EcoreInputModifiersToEcoreIMFModifiers(
+Ecore_IMF_Keyboard_Modifiers EcoreInputModifiersToEcoreImfModifiers(
     unsigned int ecore_modifiers) {
   unsigned int modifiers(ECORE_IMF_KEYBOARD_MODIFIER_NONE);
   if (ecore_modifiers & ECORE_EVENT_MODIFIER_SHIFT) {
@@ -65,7 +65,7 @@ Ecore_IMF_Keyboard_Modifiers EcoreInputModifiersToEcoreIMFModifiers(
   return static_cast<Ecore_IMF_Keyboard_Modifiers>(modifiers);
 }
 
-Ecore_IMF_Keyboard_Locks EcoreInputModifiersToEcoreIMFLocks(
+Ecore_IMF_Keyboard_Locks EcoreInputModifiersToEcoreImfLocks(
     unsigned int modifiers) {
   // If no other matches, returns NONE.
   unsigned int locks(ECORE_IMF_KEYBOARD_LOCK_NONE);
@@ -81,6 +81,24 @@ Ecore_IMF_Keyboard_Locks EcoreInputModifiersToEcoreIMFLocks(
   return static_cast<Ecore_IMF_Keyboard_Locks>(locks);
 }
 
+template <typename T>
+T EcoreEventKeyToEcoreImfEvent(Ecore_Event_Key* event, const char* dev_name) {
+  T imf_event;
+
+  imf_event.keyname = event->keyname;
+  imf_event.key = event->key;
+  imf_event.string = event->string;
+  imf_event.compose = event->compose;
+  imf_event.timestamp = event->timestamp;
+  imf_event.modifiers =
+      EcoreInputModifiersToEcoreImfModifiers(event->modifiers);
+  imf_event.locks = EcoreInputModifiersToEcoreImfLocks(event->modifiers);
+  imf_event.dev_name = dev_name;
+  imf_event.keycode = event->keycode;
+
+  return imf_event;
+}
+
 }  // namespace
 
 namespace flutter {
@@ -125,26 +143,25 @@ TizenInputMethodContext::~TizenInputMethodContext() {
 }
 
 bool TizenInputMethodContext::FilterEvent(Ecore_Event_Key* event,
-                                          const char* dev_name) {
+                                          const char* dev_name,
+                                          bool is_down) {
   FT_ASSERT(imf_context_);
   FT_ASSERT(event);
   FT_ASSERT(dev_name);
-  Ecore_IMF_Event_Key_Down imf_event;
 
-  imf_event.keyname = event->keyname;
-  imf_event.key = event->key;
-  imf_event.string = event->string;
-  imf_event.compose = event->compose;
-  imf_event.timestamp = event->timestamp;
-  imf_event.modifiers =
-      EcoreInputModifiersToEcoreIMFModifiers(event->modifiers);
-  imf_event.locks = EcoreInputModifiersToEcoreIMFLocks(event->modifiers);
-  imf_event.dev_name = dev_name;
-  imf_event.keycode = event->keycode;
-
-  return ecore_imf_context_filter_event(
-      imf_context_, ECORE_IMF_EVENT_KEY_DOWN,
-      reinterpret_cast<Ecore_IMF_Event*>(&imf_event));
+  if (is_down) {
+    auto imf_event =
+        EcoreEventKeyToEcoreImfEvent<Ecore_IMF_Event_Key_Down>(event, dev_name);
+    return ecore_imf_context_filter_event(
+        imf_context_, ECORE_IMF_EVENT_KEY_DOWN,
+        reinterpret_cast<Ecore_IMF_Event*>(&imf_event));
+  } else {
+    auto imf_event =
+        EcoreEventKeyToEcoreImfEvent<Ecore_IMF_Event_Key_Up>(event, dev_name);
+    return ecore_imf_context_filter_event(
+        imf_context_, ECORE_IMF_EVENT_KEY_UP,
+        reinterpret_cast<Ecore_IMF_Event*>(&imf_event));
+  }
 }
 
 InputPanelGeometry TizenInputMethodContext::GetInputPanelGeometry() {
@@ -175,7 +192,7 @@ void TizenInputMethodContext::HideInputPanel() {
 void TizenInputMethodContext::SetInputPanelLayout(
     const std::string& input_type) {
   FT_ASSERT(imf_context_);
-  auto panel_layout = TextInputTypeToEcoreIMFInputPanelLayout(input_type);
+  auto panel_layout = TextInputTypeToEcoreImfInputPanelLayout(input_type);
   ecore_imf_context_input_panel_layout_set(imf_context_, panel_layout);
 }
 

shell/platform/tizen/tizen_input_method_context.h

@@ -32,7 +32,7 @@ class TizenInputMethodContext {
   TizenInputMethodContext(FlutterTizenEngine* engine);
   ~TizenInputMethodContext();
 
-  bool FilterEvent(Ecore_Event_Key* event, const char* dev_name);
+  bool FilterEvent(Ecore_Event_Key* event, const char* dev_name, bool is_down);
 
   InputPanelGeometry GetInputPanelGeometry();