Add TextRange and related methods to Textfield Views.

views/controls/textfield/textfield.cc

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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 "views/controls/textfield/textfield.h"
 
 #if defined(OS_LINUX)
 #include <gdk/gdkkeysyms.h>
 #endif
 
 #include <string>
@@ skipping 16 matching lines @@
 #include "views/controls/textfield/native_textfield_win.h"
 #include "views/controls/textfield/native_textfield_views.h"
 #endif
 
 namespace views {
 
 // static
 const char Textfield::kViewClassName[] = "views/Textfield";
 
 /////////////////////////////////////////////////////////////////////////////
+// TextRange
+
+TextRange::TextRange(size_t start, size_t end)
+    : start_(start),
+      end_(end) {
+}
+
+size_t TextRange::GetMin() const {
+  return std::min(start_, end_);
+}
+
+size_t TextRange::GetMax() const {
+  return std::max(start_, end_);
+}
+
+void TextRange::SetRange(size_t start, size_t end) {
+  start_ = start;
+  end_ = end;
+}
+
+/////////////////////////////////////////////////////////////////////////////
 // Textfield
 
 Textfield::Textfield()
     : native_wrapper_(NULL),
       controller_(NULL),
       style_(STYLE_DEFAULT),
       read_only_(false),
       default_width_in_chars_(0),
       draw_border_(true),
       text_color_(SK_ColorBLACK),
@@ skipping 187 matching lines @@
 
 void Textfield::SyncText() {
   if (native_wrapper_)
     text_ = native_wrapper_->GetText();
 }
 
 bool Textfield::IsIMEComposing() const {
   return native_wrapper_ && native_wrapper_->IsIMEComposing();
 }
 
+void Textfield::GetSelectedRange(TextRange* range) const {
+  DCHECK(native_wrapper_);
+  if (native_wrapper_)
+    native_wrapper_->GetSelectedRange(range);
+}
+
+void Textfield::SelectRange(const TextRange& range) {
+  DCHECK(native_wrapper_);
+  if (native_wrapper_)
+    native_wrapper_->SelectRange(range);
+}
+
+size_t Textfield::GetCursorPosition() const {
+  DCHECK(native_wrapper_);
+  return native_wrapper_ ? native_wrapper_->GetCursorPosition() : 0;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // Textfield, View overrides:
 
 void Textfield::Layout() {
   if (native_wrapper_) {
     native_wrapper_->GetView()->SetBounds(GetLocalBounds(true));
     native_wrapper_->GetView()->Layout();
   }
 }
 
@@ skipping 118 matching lines @@
     }
 #endif
   }
 }
 
 std::string Textfield::GetClassName() const {
   return kViewClassName;
 }
 
 }  // namespace views