Refactor: Shelf Widget

ash/shelf/shelf_widget_unittest.cc

+// Copyright (c) 2013 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 "ash/shelf/shelf_widget.h"
+
+#include "ash/launcher/launcher.h"
+#include "ash/launcher/launcher_button.h"
+#include "ash/launcher/launcher_model.h"
+#include "ash/launcher/launcher_view.h"
+#include "ash/shelf/shelf_layout_manager.h"
+#include "ash/shell.h"
+#include "ash/test/ash_test_base.h"
+#include "ash/test/launcher_view_test_api.h"
+#include "ash/wm/window_util.h"
+#include "ui/aura/root_window.h"
+#include "ui/gfx/display.h"
+#include "ui/gfx/screen.h"
+#include "ui/views/corewm/corewm_switches.h"
+#include "ui/views/view.h"
+#include "ui/views/widget/widget.h"
+
+namespace ash {
+
+namespace {
+ShelfWidget* GetShelfWidget() {
+  return Launcher::ForPrimaryDisplay()->shelf_widget();
+}
+
+internal::ShelfLayoutManager* GetShelfLayoutManager() {
+  return GetShelfWidget()->shelf_layout_manager();
+}
+
+}
+typedef test::AshTestBase ShelfWidgetTest;
+
+// Launcher can't be activated on mouse click, but it is activable from
+// the focus cycler or as fallback.
+TEST_F(ShelfWidgetTest, ActivateAsFallback) {
+  // TODO(mtomasz): make this test work with the FocusController.
+  if (views::corewm::UseFocusController())
+    return;
+
+  Launcher* launcher = Launcher::ForPrimaryDisplay();
+  ShelfWidget* shelf_widget = launcher->shelf_widget();
+  EXPECT_FALSE(shelf_widget->CanActivate());
+
+  shelf_widget->WillActivateAsFallback();
+  EXPECT_TRUE(shelf_widget->CanActivate());
+
+  wm::ActivateWindow(shelf_widget->GetNativeWindow());
+  EXPECT_FALSE(shelf_widget->CanActivate());
+}
+
+void TestLauncherAlignment(aura::RootWindow* root,
+                           ShelfAlignment alignment,
+                           const std::string& expected) {
+  Shell::GetInstance()->SetShelfAlignment(alignment, root);
+  gfx::Screen* screen = gfx::Screen::GetScreenFor(root);
+  EXPECT_EQ(expected,
+            screen->GetDisplayNearestWindow(root).work_area().ToString());
+}
+
+TEST_F(ShelfWidgetTest, TestAlignment) {
+  Launcher* launcher = Launcher::ForPrimaryDisplay();
+  UpdateDisplay("400x400");
+  ASSERT_TRUE(launcher);
+  {
+    SCOPED_TRACE("Single Bottom");
+    TestLauncherAlignment(Shell::GetPrimaryRootWindow(),
+                          SHELF_ALIGNMENT_BOTTOM,
+                          "0,0 400x352");
+  }
+  {
+    SCOPED_TRACE("Single Right");
+    TestLauncherAlignment(Shell::GetPrimaryRootWindow(),
+                          SHELF_ALIGNMENT_RIGHT,
+                          "0,0 348x400");
+  }
+  {
+    SCOPED_TRACE("Single Left");
+    TestLauncherAlignment(Shell::GetPrimaryRootWindow(),
+                          SHELF_ALIGNMENT_LEFT,
+                          "52,0 348x400");
+  }
+  UpdateDisplay("300x300,500x500");
+  Shell::RootWindowList root_windows = Shell::GetAllRootWindows();
+  {
+    SCOPED_TRACE("Primary Bottom");
+    TestLauncherAlignment(root_windows[0],
+                          SHELF_ALIGNMENT_BOTTOM,
+                          "0,0 300x252");
+  }
+  {
+    SCOPED_TRACE("Primary Right");
+    TestLauncherAlignment(root_windows[0],
+                          SHELF_ALIGNMENT_RIGHT,
+                          "0,0 248x300");
+  }
+  {
+    SCOPED_TRACE("Primary Left");
+    TestLauncherAlignment(root_windows[0],
+                          SHELF_ALIGNMENT_LEFT,
+                          "52,0 248x300");
+  }
+  if (Shell::IsLauncherPerDisplayEnabled()) {
+    {
+      SCOPED_TRACE("Secondary Bottom");
+      TestLauncherAlignment(root_windows[1],
+                            SHELF_ALIGNMENT_BOTTOM,
+                            "300,0 500x452");
+    }
+    {
+      SCOPED_TRACE("Secondary Right");
+      TestLauncherAlignment(root_windows[1],
+                            SHELF_ALIGNMENT_RIGHT,
+                            "300,0 448x500");
+    }
+    {
+      SCOPED_TRACE("Secondary Left");
+      TestLauncherAlignment(root_windows[1],
+                            SHELF_ALIGNMENT_LEFT,
+                            "352,0 448x500");
+    }
+  }
+}
+
+// Makes sure the launcher is initially sized correctly.
+TEST_F(ShelfWidgetTest, LauncherInitiallySized) {
+  ShelfWidget* shelf_widget = GetShelfWidget();
+  Launcher* launcher = shelf_widget->launcher();
+  ASSERT_TRUE(launcher);
+  internal::ShelfLayoutManager* shelf_layout_manager = GetShelfLayoutManager();
+  ASSERT_TRUE(shelf_layout_manager);
+  ASSERT_TRUE(shelf_widget->status_area_widget());
+  int status_width = shelf_widget->status_area_widget()->
+      GetWindowBoundsInScreen().width();
+  // Test only makes sense if the status is > 0, which is better be.
+  EXPECT_GT(status_width, 0);
+  EXPECT_EQ(status_width, shelf_widget->GetContentsView()->width() -
+            launcher->GetLauncherViewForTest()->width());
+}
+
+// Verifies when the shell is deleted with a full screen window we don't crash.
+TEST_F(ShelfWidgetTest, DontReferenceLauncherAfterDeletion) {
+  views::Widget* widget = new views::Widget;
+  views::Widget::InitParams params(views::Widget::InitParams::TYPE_WINDOW);
+  params.bounds = gfx::Rect(0, 0, 200, 200);
+  params.context = CurrentContext();
+  // Widget is now owned by the parent window.
+  widget->Init(params);
+  widget->SetFullscreen(true);
+}
+
+}  // namespace ash