1 // Copyright 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 CHROME_RENDERER_SEARCHBOX_SEARCHBOX_EXTENSION_H_ 6 #define CHROME_RENDERER_SEARCHBOX_SEARCHBOX_EXTENSION_H_ 7 8 #include "base/basictypes.h" 9 10 namespace v8 { 11 class Extension; 12 } 13 14 namespace WebKit { 15 class WebFrame; 16 } 17 18 namespace extensions_v8 { 19 20 // Reference implementation of the SearchBox API as described in: 21 // http://dev.chromium.org/searchbox 22 class SearchBoxExtension { 23 public: 24 // Returns the v8::Extension object handling searchbox bindings. Returns null 25 // if match-preview is not enabled. Caller takes ownership of returned object. 26 static v8::Extension* Get(); 27 28 // Returns true if a page supports Instant, that is, if it has bound an 29 // onsubmit() handler. 30 static bool PageSupportsInstant(WebKit::WebFrame* frame); 31 32 // Helpers to dispatch Javascript events. 33 static void DispatchFocusChange(WebKit::WebFrame* frame); 34 static void DispatchInputCancel(WebKit::WebFrame* frame); 35 static void DispatchInputStart(WebKit::WebFrame* frame); 36 static void DispatchKeyCaptureChange(WebKit::WebFrame* frame); 37 static void DispatchMarginChange(WebKit::WebFrame* frame); 38 static void DispatchMostVisitedChanged(WebKit::WebFrame* frame); 39 static void DispatchSubmit(WebKit::WebFrame* frame); 40 static void DispatchThemeChange(WebKit::WebFrame* frame); 41 static void DispatchToggleVoiceSearch(WebKit::WebFrame* frame); 42 43 private: 44 DISALLOW_IMPLICIT_CONSTRUCTORS(SearchBoxExtension); 45 }; 46 47 } // namespace extensions_v8 48 49 #endif // CHROME_RENDERER_SEARCHBOX_SEARCHBOX_EXTENSION_H_ 50
