Implement Input Method related WebPlugin interface for browser plugin

content/renderer/browser_plugin/browser_plugin.cc

 // Copyright 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 "content/renderer/browser_plugin/browser_plugin.h"
 
 #include "base/command_line.h"
 #include "base/json/json_string_value_serializer.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 966 matching lines @@
 }
 
 bool BrowserPlugin::supportsKeyboardFocus() const {
   return true;
 }
 
 bool BrowserPlugin::supportsEditCommands() const {
   return true;
 }
 
+bool BrowserPlugin::supportsInputMethod() const {
+  return true;
+}
+
 bool BrowserPlugin::canProcessDrag() const {
   return true;
 }
 
 void BrowserPlugin::paint(WebCanvas* canvas, const WebRect& rect) {
   if (guest_crashed_) {
     if (!sad_guest_)  // Lazily initialize bitmap.
       sad_guest_ = content::GetContentClient()->renderer()->
           GetSadWebViewBitmap();
     // content_shell does not have the sad plugin bitmap, so we'll paint black
@@ skipping 333 matching lines @@
   return true;
 }
 
 bool BrowserPlugin::executeEditCommand(const blink::WebString& name,
                                        const blink::WebString& value) {
   edit_commands_.push_back(EditCommand(name.utf8(), value.utf8()));
   // BrowserPlugin swallows edit commands.
   return true;
 }
 
+bool BrowserPlugin::setComposition(
+    const blink::WebString& text,
+    const blink::WebVector<blink::WebCompositionUnderline>& underlines,
+    int selectionStart,
+    int selectionEnd) {
+  if (!HasGuestInstanceID())
+    return false;
+  std::vector<blink::WebCompositionUnderline> std_underlines;
+  for (size_t i = 0; i < underlines.size(); ++i) {
+    std_underlines.push_back(underlines[i]);
+  }
+  browser_plugin_manager()->Send(new BrowserPluginHostMsg_ImeSetComposition(
+      render_view_routing_id_,
+      guest_instance_id_,
+      text.utf8(),
+      std_underlines,
+      selectionStart,
+      selectionEnd));
+  // TODO(kochi): This assumes the IPC handling always succeeds.
+  return true;
+}
+
+bool BrowserPlugin::confirmComposition(
+    const blink::WebString& text,
+    blink::WebWidget::ConfirmCompositionBehavior selectionBehavior) {
+  if (!HasGuestInstanceID())
+    return false;
+  bool keep_selection = (selectionBehavior == blink::WebWidget::KeepSelection);
+  browser_plugin_manager()->Send(new BrowserPluginHostMsg_ImeConfirmComposition(
+      render_view_routing_id_,
+      guest_instance_id_,
+      text.utf8(),
+      keep_selection));
+  // TODO(kochi): This assumes the IPC handling always succeeds.
+  return true;
+}
+
+void BrowserPlugin::extendSelectionAndDelete(int before, int after) {
+  if (!HasGuestInstanceID())
+    return;
+  browser_plugin_manager()->Send(
+      new BrowserPluginHostMsg_ExtendSelectionAndDelete(
+          render_view_routing_id_,
+          guest_instance_id_,
+          before,
+          after));
+}
+
 void BrowserPlugin::OnLockMouseACK(bool succeeded) {
   mouse_locked_ = succeeded;
   browser_plugin_manager()->Send(new BrowserPluginHostMsg_LockMouse_ACK(
       render_view_routing_id_,
       guest_instance_id_,
       succeeded));
 }
 
 void BrowserPlugin::OnMouseLockLost() {
   mouse_locked_ = false;
   browser_plugin_manager()->Send(new BrowserPluginHostMsg_UnlockMouse_ACK(
       render_view_routing_id_,
       guest_instance_id_));
 }
 
 bool BrowserPlugin::HandleMouseLockedInputEvent(
     const blink::WebMouseEvent& event) {
   browser_plugin_manager()->Send(
       new BrowserPluginHostMsg_HandleInputEvent(render_view_routing_id_,
                                                 guest_instance_id_,
                                                 plugin_rect_,
                                                 &event));
   return true;
 }
 
 }  // namespace content