Add the button style for combobox

ui/views/controls/combobox/combobox_unittest.cc

Index: ui/views/controls/combobox/combobox_unittest.cc
diff --git a/ui/views/controls/combobox/combobox_unittest.cc b/ui/views/controls/combobox/combobox_unittest.cc
index 087313f820f83186446a1b22aa2562da829cd8d9..172ead35f2c7a2a7d86041f2ef85b2ffe74b3ff0 100644
--- a/ui/views/controls/combobox/combobox_unittest.cc
+++ b/ui/views/controls/combobox/combobox_unittest.cc
@@ -12,7 +12,10 @@
 #include "ui/events/event.h"
 #include "ui/events/keycodes/keyboard_codes.h"
 #include "ui/views/controls/combobox/combobox_listener.h"
+#include "ui/views/controls/menu/menu_runner.h"
+#include "ui/views/controls/menu/menu_runner_handler.h"
 #include "ui/views/ime/mock_input_method.h"
+#include "ui/views/test/menu_runner_test_api.h"
 #include "ui/views/test/views_test_base.h"
 #include "ui/views/widget/widget.h"
 
@@ -20,6 +23,31 @@ namespace views {
 
 namespace {
 
+// An dummy implementation of MenuRunnerHandler to check if the dropdown menu is
+// shown or not.
+class TestMenuRunnerHandler : public MenuRunnerHandler {
+ public:
+  TestMenuRunnerHandler()
+      : executed_(false) {}
+
+  bool executed() const { return executed_; }
+
+  virtual MenuRunner::RunResult RunMenuAt(Widget* parent,
+                                          MenuButton* button,
+                                          const gfx::Rect& bounds,
+                                          MenuItemView::AnchorPosition anchor,
+                                          ui::MenuSourceType source_type,
+                                          int32 types) OVERRIDE {
+    executed_ = true;
+    return MenuRunner::NORMAL_EXIT;
+  }
+
+ private:
+  bool executed_;
+
+  DISALLOW_COPY_AND_ASSIGN(TestMenuRunnerHandler);
+};
+
 // A wrapper of Combobox to intercept the result of OnKeyPressed() and
 // OnKeyReleased() methods.
 class TestCombobox : public Combobox {
@@ -106,6 +134,38 @@ class EvilListener : public ComboboxListener {
   DISALLOW_COPY_AND_ASSIGN(EvilListener);
 };
 
+class TestComboboxListener : public views::ComboboxListener {
+ public:
+  TestComboboxListener()
+      : on_selected_index_changed_called_(false),
+        on_combobox_text_button_clicked_called_(false) {
+  }
+  virtual ~TestComboboxListener() {}
+
+  virtual void OnSelectedIndexChanged(views::Combobox* combobox) OVERRIDE {
+    on_selected_index_changed_called_ = true;
+  }
+
+  virtual void OnComboboxTextButtonClicked(views::Combobox* combobox) OVERRIDE {
+    on_combobox_text_button_clicked_called_ = true;
+  }
+
+  bool on_selected_index_changed_called() const {
+    return on_selected_index_changed_called_;
+  }
+
+  bool on_combobox_text_button_clicked_called() const {
+    return on_combobox_text_button_clicked_called_;
+  }
+
+ private:
+  bool on_selected_index_changed_called_;
+  bool on_combobox_text_button_clicked_called_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(TestComboboxListener);
+};
+
 }  // namespace
 
 class ComboboxTest : public ViewsTestBase {
@@ -127,7 +187,7 @@ class ComboboxTest : public ViewsTestBase {
 
     widget_ = new Widget;
     Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
-    params.bounds = gfx::Rect(100, 100, 100, 100);
+    params.bounds = gfx::Rect(200, 200, 200, 200);
     widget_->Init(params);
     View* container = new View();
     widget_->SetContentsView(container);
@@ -140,11 +200,16 @@ class ComboboxTest : public ViewsTestBase {
     input_method_->OnFocus();
 
     combobox_->RequestFocus();
+    combobox_->SizeToPreferredSize();
   }
 
  protected:
   void SendKeyEvent(ui::KeyboardCode key_code) {
-    ui::KeyEvent event(ui::ET_KEY_PRESSED, key_code, 0, false);
+    SendKeyEventWithType(key_code, ui::ET_KEY_PRESSED);
+  }
+
+  void SendKeyEventWithType(ui::KeyboardCode key_code, ui::EventType type) {
+    ui::KeyEvent event(type, key_code, 0, false);
     input_method_->DispatchKeyEvent(event);
   }
 
@@ -152,6 +217,17 @@ class ComboboxTest : public ViewsTestBase {
     return widget_->GetFocusManager()->GetFocusedView();
   }
 
+  void PerformClick(const gfx::Point& point) {
+    ui::MouseEvent pressed_event = ui::MouseEvent(ui::ET_MOUSE_PRESSED, point,
+                                                  point,
+                                                  ui::EF_LEFT_MOUSE_BUTTON);
+    widget_->OnMouseEvent(&pressed_event);
+    ui::MouseEvent released_event = ui::MouseEvent(ui::ET_MOUSE_RELEASED, point,
+                                                   point,
+                                                   ui::EF_LEFT_MOUSE_BUTTON);
+    widget_->OnMouseEvent(&released_event);
+  }
+
   // We need widget to populate wrapper class.
   Widget* widget_;
 
@@ -370,4 +446,93 @@ TEST_F(ComboboxTest, ListenerHandlesDelete) {
   EXPECT_TRUE(evil_listener.deleted());
 }
 
+TEST_F(ComboboxTest, Click) {
+  InitCombobox();
+
+  TestComboboxListener listener;
+  combobox_->set_listener(&listener);
+
+  combobox_->Layout();
+
+  // Click the left side. The menu is shown.
+  TestMenuRunnerHandler* test_menu_runner_handler = new TestMenuRunnerHandler();
+  scoped_ptr<MenuRunnerHandler> menu_runner_handler(test_menu_runner_handler);
+  test::MenuRunnerTestAPI test_api(
+      combobox_->dropdown_list_menu_runner_.get());
+  test_api.SetMenuRunnerHandler(menu_runner_handler.Pass());
+  PerformClick(gfx::Point(combobox_->x() + 1,
+                          combobox_->y() + combobox_->height() / 2));
+  EXPECT_FALSE(listener.on_combobox_text_button_clicked_called());
+  EXPECT_TRUE(test_menu_runner_handler->executed());
+}
+
+TEST_F(ComboboxTest, NotifyOnClickWithReturnKey) {
+  InitCombobox();
+
+  TestComboboxListener listener;
+  combobox_->set_listener(&listener);
+
+  // With STYLE_SHOW_DROP_DOWN_ON_CLICK, the click event is ignored.
+  SendKeyEvent(ui::VKEY_RETURN);
+  EXPECT_FALSE(listener.on_combobox_text_button_clicked_called());
+
+  // With STYLE_NOTIFY_ON_CLICK, the click event is notified.
+  combobox_->SetStyle(Combobox::STYLE_NOTIFY_ON_CLICK);
+  SendKeyEvent(ui::VKEY_RETURN);
+  EXPECT_TRUE(listener.on_combobox_text_button_clicked_called());
+}
+
+TEST_F(ComboboxTest, NotifyOnClickWithSpaceKey) {
+  InitCombobox();
+
+  TestComboboxListener listener;
+  combobox_->set_listener(&listener);
+
+  // With STYLE_SHOW_DROP_DOWN_ON_CLICK, the click event is ignored.
+  SendKeyEvent(ui::VKEY_SPACE);
+  EXPECT_FALSE(listener.on_combobox_text_button_clicked_called());
+  SendKeyEventWithType(ui::VKEY_SPACE, ui::ET_KEY_RELEASED);
+  EXPECT_FALSE(listener.on_combobox_text_button_clicked_called());
+
+  // With STYLE_NOTIFY_ON_CLICK, the click event is notified after releasing.
+  combobox_->SetStyle(Combobox::STYLE_NOTIFY_ON_CLICK);
+  SendKeyEvent(ui::VKEY_SPACE);
+  EXPECT_FALSE(listener.on_combobox_text_button_clicked_called());
+  SendKeyEventWithType(ui::VKEY_SPACE, ui::ET_KEY_RELEASED);
+  EXPECT_TRUE(listener.on_combobox_text_button_clicked_called());
+}
+
+TEST_F(ComboboxTest, NotifyOnClickWithMouse) {
+  InitCombobox();
+
+  TestComboboxListener listener;
+  combobox_->set_listener(&listener);
+
+  combobox_->SetStyle(Combobox::STYLE_NOTIFY_ON_CLICK);
+  combobox_->Layout();
+
+  // Click the right side (arrow button). The menu is shown.
+  TestMenuRunnerHandler* test_menu_runner_handler = new TestMenuRunnerHandler();
+  scoped_ptr<MenuRunnerHandler> menu_runner_handler(test_menu_runner_handler);
+  scoped_ptr<test::MenuRunnerTestAPI> test_api(
+      new test::MenuRunnerTestAPI(combobox_->dropdown_list_menu_runner_.get()));
+  test_api->SetMenuRunnerHandler(menu_runner_handler.Pass());
+
+  PerformClick(gfx::Point(combobox_->x() + combobox_->width() - 1,
+                          combobox_->y() + combobox_->height() / 2));
+  EXPECT_FALSE(listener.on_combobox_text_button_clicked_called());
+  EXPECT_TRUE(test_menu_runner_handler->executed());
+
+  // Click the left side (text button). The click event is notified.
+  test_menu_runner_handler = new TestMenuRunnerHandler();
+  menu_runner_handler.reset(test_menu_runner_handler);
+  test_api.reset(
+      new test::MenuRunnerTestAPI(combobox_->dropdown_list_menu_runner_.get()));
+  test_api->SetMenuRunnerHandler(menu_runner_handler.Pass());
+  PerformClick(gfx::Point(combobox_->x() + 1,
+                          combobox_->y() + combobox_->height() / 2));
+  EXPECT_TRUE(listener.on_combobox_text_button_clicked_called());
+  EXPECT_FALSE(test_menu_runner_handler->executed());
+}
+
 }  // namespace views