Release all keys on blur.

remoting/client/input_handler.cc

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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 "remoting/client/input_handler.h"
 
 #include "remoting/client/chromoting_view.h"
 #include "remoting/proto/event.pb.h"
 #include "remoting/protocol/connection_to_host.h"
 #include "remoting/protocol/input_stub.h"
 
 namespace remoting {
 
 using protocol::KeyEvent;
 using protocol::MouseEvent;
 
 InputHandler::InputHandler(ClientContext* context,
                            protocol::ConnectionToHost* connection,
                            ChromotingView* view)
     : context_(context),
       connection_(connection),
       view_(view) {
 }
 
+InputHandler::~InputHandler() {
+}
+
 void InputHandler::SendKeyEvent(bool press, int keycode) {
   protocol::InputStub* stub = connection_->input_stub();
   if (stub) {
+    if (press) {
+      pressed_keys_.insert(keycode);
+    } else {
+      pressed_keys_.erase(keycode);
+    }
+
     KeyEvent* event = new KeyEvent();
     event->set_keycode(keycode);
     event->set_pressed(press);
 
     stub->InjectKeyEvent(event, new DeleteTask<KeyEvent>(event));
   }
 }
 
 void InputHandler::SendMouseMoveEvent(int x, int y) {
   protocol::InputStub* stub = connection_->input_stub();
@@ skipping 11 matching lines @@
   protocol::InputStub* stub = connection_->input_stub();
   if (stub) {
     MouseEvent* event = new MouseEvent();
     event->set_button(button);
     event->set_button_down(button_down);
 
     stub->InjectMouseEvent(event, new DeleteTask<MouseEvent>(event));
   }
 }
 
+void InputHandler::ReleaseAllKeys() {
+  std::set<int> pressed_keys_copy = pressed_keys_;
+  std::set<int>::iterator i;
+  for (i = pressed_keys_copy.begin(); i != pressed_keys_copy.end(); ++i) {
+    SendKeyEvent(false, *i);
+  }
+  pressed_keys_.clear();
+}
+
 }  // namespace remoting