Beginnings of Window Modality support.

ui/aura_shell/modal_container_layout_manager_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 "ui/aura_shell/modal_container_layout_manager.h"
+
+#include "base/compiler_specific.h"
+#include "ui/aura/desktop.h"
+#include "ui/aura/test/event_generator.h"
+#include "ui/aura/window.h"
+#include "ui/aura_shell/shell.h"
+#include "ui/aura_shell/shell_window_ids.h"
+#include "ui/aura_shell/test/aura_shell_test_base.h"
+#include "views/widget/widget.h"
+#include "views/widget/widget_delegate.h"
+
+namespace aura_shell {
+namespace test {
+
+namespace {
+
+aura::Window* GetModalContainer() {
+  return Shell::GetInstance()->GetContainer(
+      aura_shell::internal::kShellWindowId_ModalContainer);
+}
+
+aura::Window* GetDefaultContainer() {
+  return Shell::GetInstance()->GetContainer(
+      aura_shell::internal::kShellWindowId_DefaultContainer);
+}
+
+class TestWindow : public views::WidgetDelegateView {
+ public:
+  explicit TestWindow(bool modal) : modal_(modal) {}
+  virtual ~TestWindow() {}
+
+  static aura::Window* OpenTestWindow(aura::Window* parent, bool modal) {
+    DCHECK(!modal || modal && parent);
+    views::Widget* widget =
+        views::Widget::CreateWindowWithParent(new TestWindow(modal), parent);
+    widget->Show();
+    return widget->GetNativeView();
+  }
+
+  // Overridden from views::View:
+  virtual gfx::Size GetPreferredSize() OVERRIDE {
+    return gfx::Size(50, 50);
+  }
+
+  // Overridden from views::WidgetDelegate:
+  virtual views::View* GetContentsView() OVERRIDE {
+    return this;
+  }
+  virtual bool IsModal() const OVERRIDE {
+    return modal_;
+  }
+
+ private:
+  bool modal_;
+
+  DISALLOW_COPY_AND_ASSIGN(TestWindow);
+};
+
+class TransientWindowObserver : public aura::WindowObserver {
+ public:
+  TransientWindowObserver() : destroyed_(false) {}
+  virtual ~TransientWindowObserver() {}
+
+  bool destroyed() const { return destroyed_; }
+
+  // Overridden from aura::WindowObserver:
+  virtual void OnWindowDestroyed(aura::Window* window) OVERRIDE {
+    destroyed_ = true;
+  }
+
+ private:
+  bool destroyed_;
+
+  DISALLOW_COPY_AND_ASSIGN(TransientWindowObserver);
+};
+
+}  // namespace
+
+typedef aura_shell::test::AuraShellTestBase ModalContainerLayoutManagerTest;
+
+TEST_F(ModalContainerLayoutManagerTest, NonModalTransient) {
+  scoped_ptr<aura::Window> parent(TestWindow::OpenTestWindow(NULL, false));
+  aura::Window* transient = TestWindow::OpenTestWindow(parent.get(), false);
+  TransientWindowObserver destruction_observer;
+  transient->AddObserver(&destruction_observer);
+
+  EXPECT_EQ(parent.get(), transient->transient_parent());
+  EXPECT_EQ(GetDefaultContainer(), transient->parent());
+
+  // The transient should be destroyed with its parent.
+  parent.reset();
+  EXPECT_TRUE(destruction_observer.destroyed());
+}
+
+TEST_F(ModalContainerLayoutManagerTest, ModalTransient) {
+  scoped_ptr<aura::Window> parent(TestWindow::OpenTestWindow(NULL, false));
+  // parent should be active.
+  EXPECT_EQ(parent.get(), aura::Desktop::GetInstance()->active_window());
+
+  aura::Window* t1 = TestWindow::OpenTestWindow(parent.get(), true);
+  TransientWindowObserver do1;
+  t1->AddObserver(&do1);
+
+  EXPECT_EQ(parent.get(), t1->transient_parent());
+  EXPECT_EQ(GetModalContainer(), t1->parent());
+
+  // t1 should now be active.
+  EXPECT_EQ(t1, aura::Desktop::GetInstance()->active_window());
+
+  // Attempting to click the parent should result in no activation change.
+  aura::test::EventGenerator e1(parent.get());
+  e1.ClickLeftButton();
+  EXPECT_EQ(t1, aura::Desktop::GetInstance()->active_window());
+
+  // Now open another modal transient parented to the original modal transient.
+  aura::Window* t2 = TestWindow::OpenTestWindow(t1, true);
+  TransientWindowObserver do2;
+  t2->AddObserver(&do2);
+
+  EXPECT_EQ(t2, aura::Desktop::GetInstance()->active_window());
+
+  EXPECT_EQ(t1, t2->transient_parent());
+  EXPECT_EQ(GetModalContainer(), t2->parent());
+
+  // t2 should still be active, even after clicking on t1.
+  aura::test::EventGenerator e2(t1);
+  e2.ClickLeftButton();
+  EXPECT_EQ(t2, aura::Desktop::GetInstance()->active_window());
+
+  // Both transients should be destroyed with parent.
+  parent.reset();
+  EXPECT_TRUE(do1.destroyed());
+  EXPECT_TRUE(do2.destroyed());
+}
+
+// Tests that we can activate an unrelated window after a modal window is closed
+// for a window.
+TEST_F(ModalContainerLayoutManagerTest, CanActivateAfterEndModalSession) {
+  scoped_ptr<aura::Window> unrelated(TestWindow::OpenTestWindow(NULL, false));
+  unrelated->SetBounds(gfx::Rect(100, 100, 50, 50));
+  scoped_ptr<aura::Window> parent(TestWindow::OpenTestWindow(NULL, false));
+  // parent should be active.
+  EXPECT_EQ(parent.get(), aura::Desktop::GetInstance()->active_window());
+
+  scoped_ptr<aura::Window> transient(
+      TestWindow::OpenTestWindow(parent.get(), true));
+  // t1 should now be active.
+  EXPECT_EQ(transient.get(), aura::Desktop::GetInstance()->active_window());
+
+  // Attempting to click the parent should result in no activation change.
+  aura::test::EventGenerator e1(parent.get());
+  e1.ClickLeftButton();
+  EXPECT_EQ(transient.get(), aura::Desktop::GetInstance()->active_window());
+
+  // Now close the transient.
+  transient.reset();
+
+  // parent should now be active again.
+  EXPECT_EQ(parent.get(), aura::Desktop::GetInstance()->active_window());
+
+  // Attempting to click unrelated should activate it.
+  aura::test::EventGenerator e2(unrelated.get());
+  e2.ClickLeftButton();
+  EXPECT_EQ(unrelated.get(), aura::Desktop::GetInstance()->active_window());
+}
+
+}  // namespace test
+}  // namespace aura_shell