ui/views/focus/focus_manager_unittest_win.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ui/views/focus/focus_manager.h"
   6
   7 #include "base/memory/scoped_ptr.h"
   8 #include "base/run_loop.h"
   9 #include "base/strings/utf_string_conversions.h"
  10 #include "ui/events/event.h"
  11 #include "ui/views/controls/button/label_button.h"
  12 #include "ui/views/focus/accelerator_handler.h"
  13 #include "ui/views/focus/focus_manager_test.h"
  14 #include "ui/views/widget/widget.h"
  15
  16 namespace views {
  17
  18 namespace {
  19
  20 class MessageTrackingView : public View {
  21  public:
  22   MessageTrackingView() : accelerator_pressed_(false) {
  23   }
  24
  25   void Reset() {
  26     accelerator_pressed_ = false;
  27     keys_pressed_.clear();
  28     keys_released_.clear();
  29   }
  30
  31   const std::vector<ui::KeyboardCode>& keys_pressed() const {
  32     return keys_pressed_;
  33   }
  34
  35   const std::vector<ui::KeyboardCode>& keys_released() const {
  36     return keys_released_;
  37   }
  38
  39   bool accelerator_pressed() const {
  40     return accelerator_pressed_;
  41   }
  42
  43   // Overridden from View:
  44   virtual bool OnKeyPressed(const ui::KeyEvent& e) OVERRIDE {
  45     keys_pressed_.push_back(e.key_code());
  46     return true;
  47   }
  48   virtual bool OnKeyReleased(const ui::KeyEvent& e) OVERRIDE {
  49     keys_released_.push_back(e.key_code());
  50     return true;
  51   }
  52   virtual bool AcceleratorPressed(const ui::Accelerator& accelerator) OVERRIDE {
  53     accelerator_pressed_ = true;
  54     return true;
  55   }
  56
  57  private:
  58   bool accelerator_pressed_;
  59   std::vector<ui::KeyboardCode> keys_pressed_;
  60   std::vector<ui::KeyboardCode> keys_released_;
  61
  62   DISALLOW_COPY_AND_ASSIGN(MessageTrackingView);
  63 };
  64
  65 }  // namespace
  66
  67 // Test that when activating/deactivating the top window, the focus is stored/
  68 // restored properly.
  69 TEST_F(FocusManagerTest, FocusStoreRestore) {
  70   // Simulate an activate, otherwise the deactivate isn't going to do anything.
  71   SimulateActivateWindow();
  72
  73   LabelButton* button = new LabelButton(NULL, ASCIIToUTF16("Press me"));
  74   button->SetStyle(Button::STYLE_NATIVE_TEXTBUTTON);
  75   View* view = new View();
  76   view->SetFocusable(true);
  77
  78   GetContentsView()->AddChildView(button);
  79   button->SetBounds(10, 10, 200, 30);
  80   GetContentsView()->AddChildView(view);
  81   RunPendingMessages();
  82
  83   TestFocusChangeListener listener;
  84   AddFocusChangeListener(&listener);
  85
  86   view->RequestFocus();
  87   RunPendingMessages();
  88
  89   // Required for VS2010: http://connect.microsoft.com/VisualStudio/feedback/details/520043/error-converting-from-null-to-a-pointer-type-in-std-pair
  90   views::View* null_view = NULL;
  91
  92   // Deacivate the window, it should store its focus.
  93   SimulateDeactivateWindow();
  94   EXPECT_EQ(NULL, GetFocusManager()->GetFocusedView());
  95   ASSERT_EQ(2, static_cast<int>(listener.focus_changes().size()));
  96   EXPECT_TRUE(listener.focus_changes()[0] == ViewPair(null_view, view));
  97   EXPECT_TRUE(listener.focus_changes()[1] == ViewPair(view, null_view));
  98   listener.ClearFocusChanges();
  99
 100   // Reactivate, focus should come-back to the previously focused view.
 101   SimulateActivateWindow();
 102   EXPECT_EQ(view, GetFocusManager()->GetFocusedView());
 103   ASSERT_EQ(1, static_cast<int>(listener.focus_changes().size()));
 104   EXPECT_TRUE(listener.focus_changes()[0] == ViewPair(null_view, view));
 105   listener.ClearFocusChanges();
 106
 107   // Same test with a NativeControl.
 108   button->RequestFocus();
 109   SimulateDeactivateWindow();
 110   EXPECT_EQ(NULL, GetFocusManager()->GetFocusedView());
 111   ASSERT_EQ(2, static_cast<int>(listener.focus_changes().size()));
 112   EXPECT_TRUE(listener.focus_changes()[0] == ViewPair(view, button));
 113   EXPECT_TRUE(listener.focus_changes()[1] == ViewPair(button, null_view));
 114   listener.ClearFocusChanges();
 115
 116   SimulateActivateWindow();
 117   EXPECT_EQ(button, GetFocusManager()->GetFocusedView());
 118   ASSERT_EQ(1, static_cast<int>(listener.focus_changes().size()));
 119   EXPECT_TRUE(listener.focus_changes()[0] == ViewPair(null_view, button));
 120   listener.ClearFocusChanges();
 121
 122   /*
 123   // Now test that while the window is inactive we can change the focused view
 124   // (we do that in several places).
 125   SimulateDeactivateWindow();
 126   // TODO: would have to mock the window being inactive (with a TestWidgetWin
 127   //       that would return false on IsActive()).
 128   GetFocusManager()->SetFocusedView(view);
 129   ::SendMessage(window_->GetNativeWindow(), WM_ACTIVATE, WA_ACTIVE, NULL);
 130
 131   EXPECT_EQ(view, GetFocusManager()->GetFocusedView());
 132   ASSERT_EQ(2, static_cast<int>(listener.focus_changes().size()));
 133   EXPECT_TRUE(listener.focus_changes()[0] == ViewPair(button, null_view));
 134   EXPECT_TRUE(listener.focus_changes()[1] == ViewPair(null_view, view));
 135   */
 136 }
 137
 138 // Test that the focus manager is created successfully for the first view
 139 // window parented to a native dialog.
 140 TEST_F(FocusManagerTest, CreationForNativeRoot) {
 141   // Create a window class.
 142   WNDCLASSEX class_ex;
 143   memset(&class_ex, 0, sizeof(class_ex));
 144   class_ex.cbSize = sizeof(WNDCLASSEX);
 145   class_ex.lpfnWndProc = &DefWindowProc;
 146   class_ex.lpszClassName = L"TestWindow";
 147   ATOM atom = RegisterClassEx(&class_ex);
 148   ASSERT_TRUE(atom);
 149
 150   // Create a native dialog window.
 151   HWND hwnd = CreateWindowEx(0, class_ex.lpszClassName, NULL,
 152                              WS_OVERLAPPEDWINDOW, 0, 0, 200, 200,
 153                              NULL, NULL, NULL, NULL);
 154   ASSERT_TRUE(hwnd);
 155
 156   // Create a view window parented to native dialog.
 157   scoped_ptr<Widget> widget1(new Widget);
 158   Widget::InitParams params(Widget::InitParams::TYPE_CONTROL);
 159   params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
 160   params.parent = hwnd;
 161   params.bounds = gfx::Rect(0, 0, 100, 100);
 162   params.top_level = true;  // This is top level in views hierarchy.
 163   widget1->Init(params);
 164
 165   // Get the focus manager directly from the first window.  Should exist
 166   // because the first window is the root widget.
 167   views::FocusManager* focus_manager1 = widget1->GetFocusManager();
 168   EXPECT_TRUE(focus_manager1);
 169
 170   // Create another view window parented to the first view window.
 171   scoped_ptr<Widget> widget2(new Widget);
 172   params.parent = widget1->GetNativeView();
 173   params.top_level = false;  // This is child widget.
 174   widget2->Init(params);
 175
 176   // Access the shared focus manager directly from the second window.
 177   views::FocusManager* focus_manager2 = widget2->GetFocusManager();
 178   EXPECT_EQ(focus_manager2, focus_manager1);
 179
 180   // Access the shared focus manager indirectly from the first window handle.
 181   gfx::NativeWindow native_window = widget1->GetNativeWindow();
 182   views::Widget* widget =
 183       views::Widget::GetWidgetForNativeWindow(native_window);
 184   EXPECT_EQ(widget->GetFocusManager(), focus_manager1);
 185
 186   // Access the shared focus manager indirectly from the second window handle.
 187   native_window = widget2->GetNativeWindow();
 188   widget = views::Widget::GetWidgetForNativeWindow(native_window);
 189   EXPECT_EQ(widget->GetFocusManager(), focus_manager1);
 190
 191   // Access the shared focus manager indirectly from the first view handle.
 192   gfx::NativeView native_view = widget1->GetNativeView();
 193   widget = views::Widget::GetTopLevelWidgetForNativeView(native_view);
 194   EXPECT_EQ(widget->GetFocusManager(), focus_manager1);
 195
 196   // Access the shared focus manager indirectly from the second view handle.
 197   native_view = widget2->GetNativeView();
 198   widget = views::Widget::GetTopLevelWidgetForNativeView(native_view);
 199   EXPECT_EQ(widget->GetFocusManager(), focus_manager1);
 200
 201   DestroyWindow(hwnd);
 202 }
 203
 204 // Tests that the keyup messages are eaten for accelerators.
 205 // Windows-only, Windows is the only platform that handles accelerators in
 206 // AcceleratorHandler. NativeWidgetAura::OnKeyEvent handles them in other
 207 // configurations.
 208 TEST_F(FocusManagerTest, IgnoreKeyupForAccelerators) {
 209   FocusManager* focus_manager = GetFocusManager();
 210   MessageTrackingView* mtv = new MessageTrackingView();
 211   mtv->AddAccelerator(ui::Accelerator(ui::VKEY_0, ui::EF_NONE));
 212   mtv->AddAccelerator(ui::Accelerator(ui::VKEY_1, ui::EF_NONE));
 213   GetContentsView()->AddChildView(mtv);
 214   focus_manager->SetFocusedView(mtv);
 215
 216   // First send a non-accelerator key sequence.
 217   PostKeyDown(ui::VKEY_9);
 218   PostKeyUp(ui::VKEY_9);
 219   AcceleratorHandler accelerator_handler;
 220   scoped_ptr<base::RunLoop> run_loop(new base::RunLoop(&accelerator_handler));
 221   run_loop->RunUntilIdle();
 222   // Make sure we get a key-up and key-down.
 223   ASSERT_EQ(1U, mtv->keys_pressed().size());
 224   EXPECT_EQ(ui::VKEY_9, mtv->keys_pressed()[0]);
 225   ASSERT_EQ(1U, mtv->keys_released().size());
 226   EXPECT_EQ(ui::VKEY_9, mtv->keys_released()[0]);
 227   EXPECT_FALSE(mtv->accelerator_pressed());
 228   mtv->Reset();
 229
 230   // Same thing with repeat and more than one key at once.
 231   PostKeyDown(ui::VKEY_9);
 232   PostKeyDown(ui::VKEY_9);
 233   PostKeyDown(ui::VKEY_8);
 234   PostKeyDown(ui::VKEY_9);
 235   PostKeyDown(ui::VKEY_7);
 236   PostKeyUp(ui::VKEY_9);
 237   PostKeyUp(ui::VKEY_7);
 238   PostKeyUp(ui::VKEY_8);
 239   run_loop.reset(new base::RunLoop(&accelerator_handler));
 240   run_loop->RunUntilIdle();
 241   // Make sure we get a key-up and key-down.
 242   ASSERT_EQ(5U, mtv->keys_pressed().size());
 243   EXPECT_EQ(ui::VKEY_9, mtv->keys_pressed()[0]);
 244   EXPECT_EQ(ui::VKEY_9, mtv->keys_pressed()[1]);
 245   EXPECT_EQ(ui::VKEY_8, mtv->keys_pressed()[2]);
 246   EXPECT_EQ(ui::VKEY_9, mtv->keys_pressed()[3]);
 247   EXPECT_EQ(ui::VKEY_7, mtv->keys_pressed()[4]);
 248   ASSERT_EQ(3U, mtv->keys_released().size());
 249   EXPECT_EQ(ui::VKEY_9, mtv->keys_released()[0]);
 250   EXPECT_EQ(ui::VKEY_7, mtv->keys_released()[1]);
 251   EXPECT_EQ(ui::VKEY_8, mtv->keys_released()[2]);
 252   EXPECT_FALSE(mtv->accelerator_pressed());
 253   mtv->Reset();
 254
 255   // Now send an accelerator key sequence.
 256   PostKeyDown(ui::VKEY_0);
 257   PostKeyUp(ui::VKEY_0);
 258   run_loop.reset(new base::RunLoop(&accelerator_handler));
 259   run_loop->RunUntilIdle();
 260   EXPECT_TRUE(mtv->keys_pressed().empty());
 261   EXPECT_TRUE(mtv->keys_released().empty());
 262   EXPECT_TRUE(mtv->accelerator_pressed());
 263   mtv->Reset();
 264
 265   // Same thing with repeat and more than one key at once.
 266   PostKeyDown(ui::VKEY_0);
 267   PostKeyDown(ui::VKEY_1);
 268   PostKeyDown(ui::VKEY_1);
 269   PostKeyDown(ui::VKEY_0);
 270   PostKeyDown(ui::VKEY_0);
 271   PostKeyUp(ui::VKEY_1);
 272   PostKeyUp(ui::VKEY_0);
 273   run_loop.reset(new base::RunLoop(&accelerator_handler));
 274   run_loop->RunUntilIdle();
 275   EXPECT_TRUE(mtv->keys_pressed().empty());
 276   EXPECT_TRUE(mtv->keys_released().empty());
 277   EXPECT_TRUE(mtv->accelerator_pressed());
 278   mtv->Reset();
 279 }
 280
 281 }  // namespace views