ibus: Implement a noop callback for FocusIn, FocusOut, StateChange me…

…thod calls from IBus.

BUG=164525
TEST=Try using Japanese IME and check the user log in chrome://system.


Review URL: https://chromiumcodereview.appspot.com/11570002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@173123 0039d316-1c4b-4281-b951-d872f2087c98

chromeos/dbus/ibus/ibus_constants.h

@@ -91,6 +91,12 @@ const char kCursorUpSignal[] = "CursorUp";
 const char kCursorDownSignal[] = "CursorDown";
 const char kPageUpSignal[] = "PageUp";
 const char kPageDownSignal[] = "PageDown";
+
+// Methods to be just ignored. We do not use these methods in the UI.
+// See http://crbug.com/164525.
+const char kFocusInMethod[] = "FocusIn";
+const char kFocusOutMethod[] = "FocusOut";
+const char kStateChangedMethod[] = "StateChanged";
 }  // namespace panel
 
 // Following variables indicate state of IBusProperty.

chromeos/dbus/ibus/ibus_panel_service.cc

@@ -95,6 +95,30 @@ class IBusPanelServiceImpl : public IBusPanelService {
         base::Bind(&IBusPanelServiceImpl::OnMethodExported,
                    weak_ptr_factory_.GetWeakPtr()));
 
+    exported_object_->ExportMethod(
+        ibus::panel::kServiceInterface,
+        ibus::panel::kFocusInMethod,
+        base::Bind(&IBusPanelServiceImpl::NoOperation,
+                   weak_ptr_factory_.GetWeakPtr()),
+        base::Bind(&IBusPanelServiceImpl::OnMethodExported,
+                   weak_ptr_factory_.GetWeakPtr()));
+
+    exported_object_->ExportMethod(
+        ibus::panel::kServiceInterface,
+        ibus::panel::kFocusOutMethod,
+        base::Bind(&IBusPanelServiceImpl::NoOperation,
+                   weak_ptr_factory_.GetWeakPtr()),
+        base::Bind(&IBusPanelServiceImpl::OnMethodExported,
+                   weak_ptr_factory_.GetWeakPtr()));
+
+    exported_object_->ExportMethod(
+        ibus::panel::kServiceInterface,
+        ibus::panel::kStateChangedMethod,
+        base::Bind(&IBusPanelServiceImpl::NoOperation,
+                   weak_ptr_factory_.GetWeakPtr()),
+        base::Bind(&IBusPanelServiceImpl::OnMethodExported,
+                   weak_ptr_factory_.GetWeakPtr()));
+
     // Request well known name to ibus-daemon.
     bus->RequestOwnership(
         ibus::panel::kServiceName,
@@ -314,6 +338,17 @@ class IBusPanelServiceImpl : public IBusPanelService {
     response_sender.Run(response);
   }
 
+  // Handles FocusIn, FocusOut, StateChanged method calls from IBus, and ignores
+  // them.
+  void NoOperation(dbus::MethodCall* method_call,
+                   dbus::ExportedObject::ResponseSender response_sender) {
+    if (!property_handler_)
+      return;
+
+    dbus::Response* response = dbus::Response::FromMethodCall(method_call);
+    response_sender.Run(response);
+  }
+
   // Called when the method call is exported.
   void OnMethodExported(const std::string& interface_name,
                         const std::string& method_name,

chromeos/dbus/ibus/ibus_panel_service_unittest.cc

@@ -267,6 +267,24 @@ class IBusPanelServiceTest : public testing::Test {
         .WillRepeatedly(
             Invoke(this, &IBusPanelServiceTest::OnMethodExported));
 
+    EXPECT_CALL(*mock_exported_object_, ExportMethod(
+        ibus::panel::kServiceInterface,
+        ibus::panel::kFocusInMethod, _, _))
+        .WillRepeatedly(
+            Invoke(this, &IBusPanelServiceTest::OnMethodExported));
+
+    EXPECT_CALL(*mock_exported_object_, ExportMethod(
+        ibus::panel::kServiceInterface,
+        ibus::panel::kFocusOutMethod, _, _))
+        .WillRepeatedly(
+            Invoke(this, &IBusPanelServiceTest::OnMethodExported));
+
+    EXPECT_CALL(*mock_exported_object_, ExportMethod(
+        ibus::panel::kServiceInterface,
+        ibus::panel::kStateChangedMethod, _, _))
+        .WillRepeatedly(
+            Invoke(this, &IBusPanelServiceTest::OnMethodExported));
+
     // Suppress uninteresting mock function call warning.
     EXPECT_CALL(*mock_bus_.get(),
                 AssertOnOriginThread())