[System-Keyboard-Lock] Forward navigator functions to RenderFrameHost

third_party/WebKit/Source/platform/KeyboardLocker.h

+/*
+ * Copyright (C) 2017 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef KeyboardLocker_h
+#define KeyboardLocker_h
+
+#include "platform/PlatformExport.h"
+#include "public/platform/WebString.h"
+#include "public/platform/WebVector.h"
+#include "wtf/PassRefPtr.h"
+#include "wtf/RefCounted.h"
+#include "wtf/RefPtr.h"
+#include "wtf/Vector.h"
+#include "wtf/text/WTFString.h"
+
+namespace blink {
+
+class KeyboardLocker;
+
+class PLATFORM_EXPORT KeyboardLockerClient {
+ public:
+  virtual void LockRequestFinished(bool, const String&) = 0;
+  virtual ~KeyboardLockerClient();
+
+ protected:
+  KeyboardLocker* NewKeyboardLocker(const Vector<String>&);
+
+ private:
+  void DiscardLocker();
+
+  RefPtr<KeyboardLocker> locker_;
+};
+
+class PLATFORM_EXPORT KeyboardLocker final : public RefCounted<KeyboardLocker> {
+ public:
+  static PassRefPtr<KeyboardLocker> Create(KeyboardLockerClient*,
+                                           const Vector<String>&);
+
+  ~KeyboardLocker();
+
+  void DisconnectClient() { client_ = 0; }
+
+  const Vector<String>& keycodes() const { return keycodes_; }
+  const WebVector<WebString>& web_keycodes();
+  void FinishLockRequest(bool, const WebString&);
+
+ private:
+  KeyboardLocker(KeyboardLockerClient*, const Vector<String>&);
+
+  KeyboardLockerClient* client_;
+  Vector<String> keycodes_;
+  WebVector<WebString> web_keycodes_;
+};
+
+}  // namespace blink
+
+#endif  // KeyboardLocker_h