Forward edit commands to be executed for shortcuts which aren't handled by...

chrome/browser/cocoa/rwhvm_editcommand_helper.mm

 // Copyright (c), 2009 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.
 
 #import "chrome/browser/cocoa/rwhvm_editcommand_helper.h"
 
 #import <objc/runtime.h>
 
 #include "chrome/browser/renderer_host/render_widget_host.h"
 #import "chrome/browser/renderer_host/render_widget_host_view_mac.h"
@@ skipping 87 matching lines @@
   "showGuessPanel",
   "subscript",
   "superscript",
   "swapWithMark",
   "transpose",
   "underline",
   "unscript",
   "yank",
   "yankAndSelect"};
 
-// Maps an objc-selector to a core command name.
-//
-// Returns the core command name (which is the selector name with the trailing
-// ':' stripped in most cases).
-//
-// Adapted from a function by the same name in
-// WebKit/mac/WebView/WebHTMLView.mm .
-// Capitalized names are returned from this function, but that's simply
-// matching WebHTMLView.mm.
-NSString* CommandNameForSelector(SEL selector) {
-  if (selector == @selector(insertParagraphSeparator:) ||
-      selector == @selector(insertNewlineIgnoringFieldEditor:))
-    return @"InsertNewline";
-  if (selector == @selector(insertTabIgnoringFieldEditor:))
-      return @"InsertTab";
-  if (selector == @selector(pageDown:))
-      return @"MovePageDown";
-  if (selector == @selector(pageDownAndModifySelection:))
-      return @"MovePageDownAndModifySelection";
-  if (selector == @selector(pageUp:))
-      return @"MovePageUp";
-  if (selector == @selector(pageUpAndModifySelection:))
-      return @"MovePageUpAndModifySelection";
-
-  // Remove the trailing colon.
-  NSString* selector_str = NSStringFromSelector(selector);
-  int selector_len = [selector_str length];
-  return [selector_str substringToIndex:selector_len - 1];
-}
 
 // This function is installed via the objc runtime as the implementation of all
 // the various editing selectors.
 // The objc runtime hookup occurs in
 // RWHVMEditCommandHelper::AddEditingSelectorsToClass().
 //
 // self - the object we're attached to; it must implement the
 // RenderWidgetHostViewMacOwner protocol.
 // _cmd - the selector that fired.
 // sender - the id of the object that sent the message.
 //
 // The selector is translated into an edit comand and then forwarded down the
 // pipeline to WebCore.
 // The route the message takes is:
 // RenderWidgetHostViewMac -> RenderViewHost ->
 // | IPC | ->
 // RenderView -> currently focused WebFrame.
 // The WebFrame is in the Chrome glue layer and forwards the message to WebCore.
 void EditCommandImp(id self, SEL _cmd, id sender) {
   // Make sure |self| is the right type.
   DCHECK([self conformsToProtocol:@protocol(RenderWidgetHostViewMacOwner)]);
 
   // SEL -> command name string.
-  NSString* command_name_ns = CommandNameForSelector(_cmd);
+  NSString* command_name_ns =
+      RWHVMEditCommandHelper::CommandNameForSelector(_cmd);
   std::string edit_command([command_name_ns UTF8String]);
 
   // Forward the edit command string down the pipeline.
   RenderWidgetHostViewMac* rwhv = [(id<RenderWidgetHostViewMacOwner>)self
       renderWidgetHostViewMac];
   DCHECK(rwhv);
 
   // The second parameter is the core command value which isn't used here.
   rwhv->GetRenderWidgetHost()->ForwardEditCommand(edit_command, "");
 }
 
 }  // namespace
 
+// Maps an objc-selector to a core command name.
+//
+// Returns the core command name (which is the selector name with the trailing
+// ':' stripped in most cases).
+//
+// Adapted from a function by the same name in
+// WebKit/mac/WebView/WebHTMLView.mm .
+// Capitalized names are returned from this function, but that's simply
+// matching WebHTMLView.mm.
+NSString* RWHVMEditCommandHelper::CommandNameForSelector(SEL selector) {
+  if (selector == @selector(insertParagraphSeparator:) ||
+      selector == @selector(insertNewlineIgnoringFieldEditor:))
+    return @"InsertNewline";
+  if (selector == @selector(insertTabIgnoringFieldEditor:))
+      return @"InsertTab";
+  if (selector == @selector(pageDown:))
+      return @"MovePageDown";
+  if (selector == @selector(pageDownAndModifySelection:))
+      return @"MovePageDownAndModifySelection";
+  if (selector == @selector(pageUp:))
+      return @"MovePageUp";
+  if (selector == @selector(pageUpAndModifySelection:))
+      return @"MovePageUpAndModifySelection";
+
+  // Remove the trailing colon.
+  NSString* selector_str = NSStringFromSelector(selector);
+  int selector_len = [selector_str length];
+  return [selector_str substringToIndex:selector_len - 1];
+}
+
 RWHVMEditCommandHelper::RWHVMEditCommandHelper() {
   for (size_t i = 0; i < arraysize(kEditCommands); ++i) {
     edit_command_set_.insert(kEditCommands[i]);
   }
 }
 
 // Dynamically adds Selectors to the aformentioned class.
 void RWHVMEditCommandHelper::AddEditingSelectorsToClass(Class klass) {
   for (size_t i = 0; i < arraysize(kEditCommands); ++i) {
     // Append trailing ':' to command name to get selector name.
@@ skipping 32 matching lines @@
 NSArray* RWHVMEditCommandHelper::GetEditSelectorNames() {
   size_t num_edit_commands = arraysize(kEditCommands);
   NSMutableArray* ret = [NSMutableArray arrayWithCapacity:num_edit_commands];
 
   for (size_t i = 0; i < num_edit_commands; ++i) {
       [ret addObject:[NSString stringWithUTF8String:kEditCommands[i]]];
   }
 
   return ret;
 }