Implement Input Method related WebPlugin interface for browser plugin

content/browser/renderer_host/render_widget_host_view_guest.cc

 // Copyright (c) 2012 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 "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "content/browser/browser_plugin/browser_plugin_guest.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
@@ skipping 283 matching lines @@
 }
 
 void RenderWidgetHostViewGuest::SetIsLoading(bool is_loading) {
   platform_view_->SetIsLoading(is_loading);
 }
 
 void RenderWidgetHostViewGuest::TextInputTypeChanged(
     ui::TextInputType type,
     ui::TextInputMode input_mode,
     bool can_compose_inline) {
-  RenderWidgetHostViewPort::FromRWHV(
-      guest_->GetEmbedderRenderWidgetHostView())->
-          TextInputTypeChanged(type, input_mode, can_compose_inline);
+  RenderWidgetHostViewPort* rwhv = RenderWidgetHostViewPort::FromRWHV(
+      guest_->GetEmbedderRenderWidgetHostView());
+  if (!rwhv)
+    return;
+  // Forward the information to embedding RWHV.
+  rwhv->TextInputTypeChanged(type, input_mode, can_compose_inline);
 }
 
 void RenderWidgetHostViewGuest::ImeCancelComposition() {
-  platform_view_->ImeCancelComposition();
+  RenderWidgetHostViewPort* rwhv = RenderWidgetHostViewPort::FromRWHV(
+      guest_->GetEmbedderRenderWidgetHostView());
+  if (!rwhv)
+    return;
+  // Forward the information to embedding RWHV.
+  rwhv->ImeCancelComposition();
 }
 
 #if defined(OS_MACOSX) || defined(OS_WIN) || defined(USE_AURA)
 void RenderWidgetHostViewGuest::ImeCompositionRangeChanged(
     const gfx::Range& range,
     const std::vector<gfx::Rect>& character_bounds) {
+  RenderWidgetHostViewPort* rwhv = RenderWidgetHostViewPort::FromRWHV(
+      guest_->GetEmbedderRenderWidgetHostView());
+  if (!rwhv)
+    return;
+  std::vector<gfx::Rect> guest_character_bounds;
+  for (size_t i = 0; i < character_bounds.size(); ++i) {
+    gfx::Rect guest_rect = guest_->ToGuestRect(character_bounds[i]);
+    guest_character_bounds.push_back(guest_rect);
+  }

[kochi, 2013/12/13 06:41:24]

Self-review: This part was missing.

As in SelectionBoundsChanged() below, any coordinates should
be translated for guest here.

+  // Forward the information to embedding RWHV.
+  rwhv->ImeCompositionRangeChanged(range, guest_character_bounds);
 }
 #endif
 
 void RenderWidgetHostViewGuest::DidUpdateBackingStore(
     const gfx::Rect& scroll_rect,
     const gfx::Vector2d& scroll_delta,
     const std::vector<gfx::Rect>& copy_rects,
     const ui::LatencyInfo& latency_info) {
   NOTREACHED();
 }
 
 void RenderWidgetHostViewGuest::SelectionChanged(const base::string16& text,
                                                  size_t offset,
                                                  const gfx::Range& range) {
-  platform_view_->SelectionChanged(text, offset, range);
+  RenderWidgetHostViewPort* rwhv = RenderWidgetHostViewPort::FromRWHV(
+      guest_->GetEmbedderRenderWidgetHostView());
+  if (!rwhv)
+    return;
+  // Forward the information to embedding RWHV.
+  rwhv->SelectionChanged(text, offset, range);
 }
 
 void RenderWidgetHostViewGuest::SelectionBoundsChanged(
     const ViewHostMsg_SelectionBounds_Params& params) {
-  platform_view_->SelectionBoundsChanged(params);
+  RenderWidgetHostViewPort* rwhv = RenderWidgetHostViewPort::FromRWHV(
+      guest_->GetEmbedderRenderWidgetHostView());
+  if (!rwhv)
+    return;
+  ViewHostMsg_SelectionBounds_Params guest_params(params);
+  guest_params.anchor_rect = guest_->ToGuestRect(params.anchor_rect);
+  guest_params.focus_rect = guest_->ToGuestRect(params.focus_rect);
+  rwhv->SelectionBoundsChanged(guest_params);
 }
 
 void RenderWidgetHostViewGuest::ScrollOffsetChanged() {
 }
 
 BackingStore* RenderWidgetHostViewGuest::AllocBackingStore(
     const gfx::Size& size) {
   NOTREACHED();
   return NULL;
 }
@@ skipping 243 matching lines @@
     return;
   for (ui::GestureRecognizer::Gestures::iterator g_it = gestures->begin();
       g_it != gestures->end();
       ++g_it) {
     ForwardGestureEventToRenderer(*g_it);
   }
 }
 
 
 }  // namespace content