Instant API: tell page whether the browser is capturing key strokes.

chrome/renderer/searchbox/searchbox_extension.cc

Index: chrome/renderer/searchbox/searchbox_extension.cc
diff --git a/chrome/renderer/searchbox/searchbox_extension.cc b/chrome/renderer/searchbox/searchbox_extension.cc
index ee3f47af81115f30dee407c4742e29f9a6957bf5..890c3432ff5112b0c7af5c0a68e97a3a6338495e 100644
--- a/chrome/renderer/searchbox/searchbox_extension.cc
+++ b/chrome/renderer/searchbox/searchbox_extension.cc
@@ -131,6 +131,17 @@ static const char kDispatchUpOrDownKeyPressEventScript[] =
     "  true;"
     "}";
 
+static const char kDispatchKeyStrokeCapturingModeChangeScript[] =
+    "if (window.chrome &&"
+    "    window.chrome.searchBox &&"
+    "    window.chrome.searchBox.onkeystrokecapturingmodechange &&"
+    "    typeof window.chrome.searchBox.onkeystrokecapturingmodechange == "
+    "        'function') {"
+    "  for (var i = 0; i < %d; ++i)"
+    "    window.chrome.searchBox.onkeystrokecapturingmodechange();"
+    "  true;"
+    "}";
+
 static const char kDispatchContextChangeEventScript[] =
     "if (window.chrome &&"
     "    window.chrome.searchBox &&"
@@ -205,6 +216,10 @@ class SearchBoxExtensionWrapper : public v8::Extension {
   static v8::Handle<v8::Value> GetAutocompleteResults(
       const v8::Arguments& args);
 
+  // Gets whether the browser is capturing key strokes.
+  static v8::Handle<v8::Value> GetIsCapturingKeyStrokes(

[Jered, 2012/11/28 17:50:16]

GetIsCapturingKeyStrokes -> IsKeyCaptureEnabled.

[samarth, 2012/11/28 19:33:09]

Done.

+      const v8::Arguments& args);
+
   // Gets the current session context.
   static v8::Handle<v8::Value> GetContext(const v8::Arguments& args);
 
@@ -281,6 +296,8 @@ v8::Handle<v8::FunctionTemplate> SearchBoxExtensionWrapper::GetNativeFunction(
     return v8::FunctionTemplate::New(GetHeight);
   if (name->Equals(v8::String::New("GetAutocompleteResults")))
     return v8::FunctionTemplate::New(GetAutocompleteResults);
+  if (name->Equals(v8::String::New("GetIsCapturingKeyStrokes")))
+    return v8::FunctionTemplate::New(GetIsCapturingKeyStrokes);
   if (name->Equals(v8::String::New("GetContext")))
     return v8::FunctionTemplate::New(GetContext);
   if (name->Equals(v8::String::New("GetThemeBackgroundInfo")))
@@ -427,6 +444,15 @@ v8::Handle<v8::Value> SearchBoxExtensionWrapper::GetAutocompleteResults(
 }
 
 // static
+v8::Handle<v8::Value> SearchBoxExtensionWrapper::GetIsCapturingKeyStrokes(
+    const v8::Arguments& args) {
+  content::RenderView* render_view = GetRenderView();
+  if (!render_view) return v8::Undefined();
+
+  return v8::Boolean::New(SearchBox::Get(render_view)->capturing_key_strokes());
+}
+
+// static
 v8::Handle<v8::Value> SearchBoxExtensionWrapper::GetContext(
     const v8::Arguments& args) {
   content::RenderView* render_view = GetRenderView();
@@ -805,6 +831,13 @@ void SearchBoxExtension::DispatchUpOrDownKeyPress(WebKit::WebFrame* frame,
 }
 
 // static
+void SearchBoxExtension::DispatchKeyStrokeCapturingModeChange(
+    WebKit::WebFrame* frame) {
+  DVLOG(1) << "DispatchKeyStrokeCapturingModeChange";
+  Dispatch(frame, kDispatchKeyStrokeCapturingModeChangeScript);
+}
+
+// static
 void SearchBoxExtension::DispatchContextChange(WebKit::WebFrame* frame) {
   DVLOG(1) << "DispatchContextChange";
   Dispatch(frame, kDispatchContextChangeEventScript);