Implement {Start,Stop}CapturingKeyStrokes for Instant.

chrome/renderer/searchbox/searchbox_extension.cc

 // Copyright 2012 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 "chrome/renderer/searchbox/searchbox_extension.h"
 
 #include "base/stringprintf.h"
 #include "chrome/renderer/searchbox/searchbox.h"
 #include "content/public/renderer/render_view.h"
 #include "grit/renderer_resources.h"
@@ skipping 152 matching lines @@
   static v8::Handle<v8::Value> GetAutocompleteResults(
       const v8::Arguments& args);
 
   // Gets the current session context.
   static v8::Handle<v8::Value> GetContext(const v8::Arguments& args);
 
   // Navigates the window to a URL represented by either a URL string or a
   // restricted ID.
   static v8::Handle<v8::Value> NavigateContentWindow(const v8::Arguments& args);
 
+  // Handle a focus or blur event in the web searchbox.
+  static v8::Handle<v8::Value> WebSearchBoxFocusChange(const v8::Arguments& args);

[dhollowa, 2012/11/20 23:50:17]

nit: 80col

[samarth, 2012/11/21 00:40:15]

Done.

+
   // Sets ordered suggestions. Valid for current |value|.
   static v8::Handle<v8::Value> SetSuggestions(const v8::Arguments& args);
 
   // Sets the text to be autocompleted into the search box.
   static v8::Handle<v8::Value> SetQuerySuggestion(const v8::Arguments& args);
 
   // Like |SetQuerySuggestion| but uses a restricted ID to identify the text.
   static v8::Handle<v8::Value> SetQuerySuggestionFromAutocompleteResult(
       const v8::Arguments& args);
 
@@ skipping 33 matching lines @@
   if (name->Equals(v8::String::New("GetWidth")))
     return v8::FunctionTemplate::New(GetWidth);
   if (name->Equals(v8::String::New("GetHeight")))
     return v8::FunctionTemplate::New(GetHeight);
   if (name->Equals(v8::String::New("GetAutocompleteResults")))
     return v8::FunctionTemplate::New(GetAutocompleteResults);
   if (name->Equals(v8::String::New("GetContext")))
     return v8::FunctionTemplate::New(GetContext);
   if (name->Equals(v8::String::New("NavigateContentWindow")))
     return v8::FunctionTemplate::New(NavigateContentWindow);
+  if (name->Equals(v8::String::New("WebSearchBoxFocusChange")))
+    return v8::FunctionTemplate::New(WebSearchBoxFocusChange);
   if (name->Equals(v8::String::New("SetSuggestions")))
     return v8::FunctionTemplate::New(SetSuggestions);
   if (name->Equals(v8::String::New("SetQuerySuggestion")))
     return v8::FunctionTemplate::New(SetQuerySuggestion);
   if (name->Equals(v8::String::New("SetQuerySuggestionFromAutocompleteResult")))
     return v8::FunctionTemplate::New(SetQuerySuggestionFromAutocompleteResult);
   if (name->Equals(v8::String::New("SetQuery")))
     return v8::FunctionTemplate::New(SetQuery);
   if (name->Equals(v8::String::New("SetQueryFromAutocompleteResult")))
     return v8::FunctionTemplate::New(SetQueryFromAutocompleteResult);
@@ skipping 154 matching lines @@
   // Navigate the main frame.
   if (destination_url.is_valid()) {
     WebKit::WebURLRequest request(destination_url);
     render_view->GetWebView()->mainFrame()->loadRequest(request);
   }
 
   return v8::Undefined();
 }
 
 // static
+v8::Handle<v8::Value> SearchBoxExtensionWrapper::WebSearchBoxFocusChange(
+    const v8::Arguments& args) {
+  content::RenderView* render_view = GetRenderView();
+  if (render_view && args.Length() == 1) {
+    SearchBox::Get(render_view)->OnWebSearchBoxFocusChange(
+        args[0]->BooleanValue());
+  }
+  return v8::Undefined();
+}
+
+// static
 v8::Handle<v8::Value> SearchBoxExtensionWrapper::SetSuggestions(
     const v8::Arguments& args) {
   DVLOG(1) << "SetSuggestions";
   content::RenderView* render_view = GetRenderView();
   if (!render_view || !args.Length()) return v8::Undefined();
 
   v8::Handle<v8::Object> suggestion_json = args[0]->ToObject();
 
   InstantCompleteBehavior behavior = INSTANT_COMPLETE_NOW;
   InstantSuggestionType type = INSTANT_SUGGESTION_SEARCH;
@@ skipping 203 matching lines @@
   Dispatch(frame, kDispatchContextChangeEventScript);
 }
 
 // static
 v8::Extension* SearchBoxExtension::Get() {
   return new SearchBoxExtensionWrapper(ResourceBundle::GetSharedInstance().
       GetRawDataResource(IDR_SEARCHBOX_API));
 }
 
 }  // namespace extensions_v8