Implement double/triple click functionality in views textfield.

views/controls/textfield/native_textfield_views_unittest.cc

 // 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 "base/auto_reset.h"
 #include "base/message_loop.h"
 #include "base/utf_string_conversions.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/base/clipboard/clipboard.h"
 #include "ui/base/clipboard/scoped_clipboard_writer.h"
@@ skipping 86 matching lines @@
 
     DCHECK(textfield_view_);
     model_ = textfield_view_->model_.get();
   }
 
   views::Menu2* GetContextMenu() {
     textfield_view_->InitContextMenuIfRequired();
     return textfield_view_->context_menu_menu_.get();
   }
 
+  NativeTextfieldViews::ClickState GetClickState() {
+    return textfield_view_->click_state_;
+  }
+
  protected:
   bool SendKeyEventToTextfieldViews(ui::KeyboardCode key_code,
                                     bool shift,
                                     bool control,
                                     bool capslock) {
     int flags = (shift ? KeyEvent::EF_SHIFT_DOWN : 0) |
         (control ? KeyEvent::EF_CONTROL_DOWN : 0) |
         (capslock ? KeyEvent::EF_CAPS_LOCK_DOWN : 0);
     KeyEvent event(KeyEvent::ET_KEY_PRESSED, key_code, flags, 1, 0);
     return textfield_->OnKeyPressed(event);
@@ skipping 304 matching lines @@
   views::ViewsDelegate::views_delegate = test_views_delegate.get();
   InitTextfield(Textfield::STYLE_DEFAULT);
   textfield_->SetText(ASCIIToUTF16("hello world"));
   EXPECT_TRUE(GetContextMenu());
   VerifyTextfieldContextMenuContents(false, GetContextMenu()->model());
 
   textfield_->SelectAll();
   VerifyTextfieldContextMenuContents(true, GetContextMenu()->model());
 }
 
+TEST_F(NativeTextfieldViewsTest, DoubleAndTripleClickTest) {
+  InitTextfield(Textfield::STYLE_DEFAULT);
+  textfield_->SetText(ASCIIToUTF16("hello world"));
+  MouseEvent me(MouseEvent::ET_MOUSE_PRESSED, 0, 0, Event::EF_LEFT_BUTTON_DOWN);
+  EXPECT_EQ(NativeTextfieldViews::NONE, GetClickState());
+
+  // Test for double click.
+  textfield_view_->OnMousePressed(me);
+  EXPECT_STR_EQ("", textfield_->GetSelectedText());
+  EXPECT_EQ(NativeTextfieldViews::TRACKING_DOUBLE_CLICK, GetClickState());
+  textfield_view_->OnMousePressed(me);
+  EXPECT_STR_EQ("hello", textfield_->GetSelectedText());
+  EXPECT_EQ(NativeTextfieldViews::TRACKING_TRIPLE_CLICK, GetClickState());
+
+  // Test for triple click.
+  textfield_view_->OnMousePressed(me);
+  EXPECT_STR_EQ("hello world", textfield_->GetSelectedText());
+  EXPECT_EQ(NativeTextfieldViews::NONE, GetClickState());
+
+  // Another click should reset back to single click.
+  textfield_view_->OnMousePressed(me);
+  EXPECT_STR_EQ("", textfield_->GetSelectedText());
+  EXPECT_EQ(NativeTextfieldViews::TRACKING_DOUBLE_CLICK, GetClickState());
+}
+
 TEST_F(NativeTextfieldViewsTest, ReadOnlyTest) {
   scoped_ptr<TestViewsDelegate> test_views_delegate(new TestViewsDelegate());
   AutoReset<views::ViewsDelegate*> auto_reset(
       &views::ViewsDelegate::views_delegate, test_views_delegate.get());
 
   InitTextfield(Textfield::STYLE_DEFAULT);
   textfield_->SetText(ASCIIToUTF16(" one two three "));
   textfield_->SetReadOnly(true);
   SendKeyEventToTextfieldViews(ui::VKEY_HOME);
   EXPECT_EQ(0U, textfield_->GetCursorPosition());
@@ skipping 42 matching lines @@
   // Text field is unmodifiable and selection shouldn't change.
   SendKeyEventToTextfieldViews(ui::VKEY_DELETE);
   EXPECT_STR_EQ(" four five six ", textfield_->GetSelectedText());
   SendKeyEventToTextfieldViews(ui::VKEY_BACK);
   EXPECT_STR_EQ(" four five six ", textfield_->GetSelectedText());
   SendKeyEventToTextfieldViews(ui::VKEY_T);
   EXPECT_STR_EQ(" four five six ", textfield_->GetSelectedText());
 }
 
 }  // namespace views