Plan keyboard visibility in app core

src/app_core/document_platform_io.h

@@ -14,6 +14,11 @@ enum class DisplayFileAction {
     open_external_file,
 };
 
+enum class VirtualKeyboardAction {
+    show_keyboard,
+    hide_keyboard,
+};
+
 [[nodiscard]] constexpr PickedPathAction plan_picked_path(std::string_view path) noexcept
 {
     return path.empty()
@@ -28,4 +33,11 @@ enum class DisplayFileAction {
         : DisplayFileAction::open_external_file;
 }
 
+[[nodiscard]] constexpr VirtualKeyboardAction plan_virtual_keyboard(bool visible) noexcept
+{
+    return visible
+        ? VirtualKeyboardAction::show_keyboard
+        : VirtualKeyboardAction::hide_keyboard;
+}
+
 }

src/app_events.cpp

@@ -19,6 +19,14 @@ void invoke_picked_path_if_selected(
         callback(path);
 }
 
+[[nodiscard]] bool should_dispatch_keyboard_visibility(bool visible) noexcept
+{
+    const auto action = pp::app::plan_virtual_keyboard(visible);
+    return visible
+        ? action == pp::app::VirtualKeyboardAction::show_keyboard
+        : action == pp::app::VirtualKeyboardAction::hide_keyboard;
+}
+
 }
 
 #ifdef __ANDROID__
@@ -132,6 +140,8 @@ void App::showKeyboard()
 {
     LOG("show keyboard");
     redraw = true;
+    if (!should_dispatch_keyboard_visibility(true))
+        return;
 #ifdef __IOS__
     dispatch_async(dispatch_get_main_queue(), ^{
         [ios_view show_keyboard];
@@ -145,6 +155,8 @@ void App::hideKeyboard()
 {
     LOG("hide keyboard");
     redraw = true;
+    if (!should_dispatch_keyboard_visibility(false))
+        return;
 #ifdef __IOS__
     dispatch_async(dispatch_get_main_queue(), ^{
         [ios_view hide_keyboard];