1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CONTENT_RENDERER_TEXT_INPUT_CLIENT_OBSERVER_H_ 6 #define CONTENT_RENDERER_TEXT_INPUT_CLIENT_OBSERVER_H_ 7 8 #include "base/basictypes.h" 9 #include "build/build_config.h" 10 #include "content/public/renderer/render_view_observer.h" 11 #include "ui/gfx/point.h" 12 #include "ui/gfx/range/range.h" 13 14 namespace blink { 15 class WebView; 16 } 17 18 namespace content { 19 20 class RenderViewImpl; 21 22 // This is the renderer-side message filter that generates the replies for the 23 // messages sent by the TextInputClientMac. See 24 // content/browser/renderer_host/text_input_client_mac.h for more information. 25 class TextInputClientObserver : public RenderViewObserver { 26 public: 27 explicit TextInputClientObserver(RenderViewImpl* render_view); 28 virtual ~TextInputClientObserver(); 29 30 // RenderViewObserver overrides: 31 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; 32 33 private: 34 // Returns the WebView of the RenderView. 35 blink::WebView* webview(); 36 37 // IPC Message handlers: 38 void OnCharacterIndexForPoint(gfx::Point point); 39 void OnFirstRectForCharacterRange(gfx::Range range); 40 void OnStringForRange(gfx::Range range); 41 42 RenderViewImpl* const render_view_impl_; 43 44 DISALLOW_COPY_AND_ASSIGN(TextInputClientObserver); 45 }; 46 47 } // namespace content 48 49 #endif // CONTENT_RENDERER_TEXT_INPUT_CLIENT_OBSERVER_H_ 50