Prevent client plugin from triggering IME.

We prefer that the user interact with an IME at the host, so that they get full integration with applications running there. The client must therefore faithfully reproduce keyboard input to the client, without client-side IME.

BUG=401371

Review URL: https://codereview.chromium.org/455323002

Cr-Commit-Position: refs/heads/master@{#288776}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@288776 0039d316-1c4b-4281-b951-d872f2087c98

remoting/client/plugin/chromoting_instance.cc

@@ -215,6 +215,7 @@ ChromotingInstance::ChromotingInstance(PP_Instance pp_instance)
       input_tracker_(&mouse_input_filter_),
       key_mapper_(&input_tracker_),
       input_handler_(this),
+      text_input_controller_(this),
       use_async_pin_dialog_(false),
       use_media_source_rendering_(false),
       delegate_large_cursors_(false),
@@ -237,9 +238,13 @@ ChromotingInstance::ChromotingInstance(PP_Instance pp_instance)
   mount("", "/usr", "memfs", 0, "");
 #endif
 
+  // Register for mouse, wheel and keyboard events.
   RequestInputEvents(PP_INPUTEVENT_CLASS_MOUSE | PP_INPUTEVENT_CLASS_WHEEL);
   RequestFilteringInputEvents(PP_INPUTEVENT_CLASS_KEYBOARD);
 
+  // Disable the client-side IME in Chrome.
+  text_input_controller_.SetTextInputType(PP_TEXTINPUT_TYPE_NONE);
+
   // Resister this instance to handle debug log messsages.
   RegisterLoggingInstance();
 

remoting/client/plugin/chromoting_instance.h

@@ -15,6 +15,7 @@
 #include "ppapi/c/pp_rect.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/cpp/instance.h"
+#include "ppapi/cpp/text_input_controller.h"
 #include "ppapi/cpp/var.h"
 #include "remoting/client/client_context.h"
 #include "remoting/client/client_user_interface.h"
@@ -276,6 +277,9 @@ class ChromotingInstance :
   scoped_ptr<protocol::InputFilter> normalizing_input_filter_;
   PepperInputHandler input_handler_;
 
+  // Used to control text input settings, such as whether to show the IME.
+  pp::TextInputController text_input_controller_;
+
   // PIN Fetcher.
   bool use_async_pin_dialog_;
   protocol::SecretFetchedCallback secret_fetched_callback_;