Implement HTML selects as native Cocoa controls for Chrome

chrome/browser/renderer_host/render_widget_host.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/renderer_host/render_widget_host.h"
 
 #include "base/gfx/native_widget_types.h"
 #include "base/histogram.h"
 #include "base/message_loop.h"
 #include "base/keyboard_codes.h"
@@ skipping 96 matching lines @@
   IPC_MESSAGE_HANDLER(ViewHostMsg_RenderViewGone, OnMsgRenderViewGone)
   IPC_MESSAGE_HANDLER(ViewHostMsg_Close, OnMsgClose)
   IPC_MESSAGE_HANDLER(ViewHostMsg_RequestMove, OnMsgRequestMove)
   IPC_MESSAGE_HANDLER(ViewHostMsg_PaintRect, OnMsgPaintRect)
   IPC_MESSAGE_HANDLER(ViewHostMsg_ScrollRect, OnMsgScrollRect)
   IPC_MESSAGE_HANDLER(ViewHostMsg_HandleInputEvent_ACK, OnMsgInputEventAck)
   IPC_MESSAGE_HANDLER(ViewHostMsg_Focus, OnMsgFocus)
   IPC_MESSAGE_HANDLER(ViewHostMsg_Blur, OnMsgBlur)
   IPC_MESSAGE_HANDLER(ViewHostMsg_SetCursor, OnMsgSetCursor)
   IPC_MESSAGE_HANDLER(ViewHostMsg_ImeUpdateStatus, OnMsgImeUpdateStatus)
+  IPC_MESSAGE_HANDLER_GENERIC(ViewHostMsg_ShowPopup, OnMsgShowPopup(msg))
   IPC_MESSAGE_UNHANDLED_ERROR()
 IPC_END_MESSAGE_MAP()
 
 bool RenderWidgetHost::Send(IPC::Message* msg) {
   return process_->Send(msg);
 }
 
 void RenderWidgetHost::WasHidden() {
   is_hidden_ = true;
 
@@ skipping 528 matching lines @@
   view_->UpdateCursor(cursor);
 }
 
 void RenderWidgetHost::OnMsgImeUpdateStatus(int control,
                                             const gfx::Rect& caret_rect) {
   if (view_) {
     view_->IMEUpdateStatus(control, caret_rect);
   }
 }
 
+void RenderWidgetHost::OnMsgShowPopup(const IPC::Message& message) {
+#if defined(OS_MACOSX)
+  void* iter = NULL;
+  ViewHostMsg_ShowPopup_Params validated_params;
+  if (!IPC::ParamTraits<ViewHostMsg_ShowPopup_Params>::Read(&message, &iter,
+                                                            &validated_params))
+    return;
+
+  view_->ShowPopupWithItems(validated_params.bounds,
+                            validated_params.item_height,
+                            validated_params.selected_item,
+                            validated_params.popup_items);
+#else  // OS_WIN || OS_LINUX
+  NOTREACHED();
+#endif
+}
+
 void RenderWidgetHost::PaintBackingStoreRect(TransportDIB* bitmap,
                                              const gfx::Rect& bitmap_rect,
                                              const gfx::Size& view_size) {
   if (is_hidden_) {
     // Don't bother updating the backing store when we're hidden. Just mark it
     // as being totally invalid. This will cause a complete repaint when the
     // view is restored.
     needs_repainting_on_restore_ = true;
     return;
   }
@@ skipping 27 matching lines @@
 
   // TODO(darin): do we need to do something else if our backing store is not
   // the same size as the advertised view?  maybe we just assume there is a
   // full paint on its way?
   BackingStore* backing_store = BackingStoreManager::Lookup(this);
   if (!backing_store || (backing_store->size() != view_size))
     return;
   backing_store->ScrollRect(process_->process().handle(), bitmap, bitmap_rect,
                             dx, dy, clip_rect, view_size);
 }