Move some more WM functionality down into ash.

ui/aura_shell/toplevel_window_event_filter_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/basictypes.h"
-#include "base/compiler_specific.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "ui/aura/event.h"
-#include "ui/aura/root_window.h"
-#include "ui/aura/test/aura_test_base.h"
-#include "ui/aura/test/event_generator.h"
-#include "ui/aura/test/test_window_delegate.h"
-#include "ui/aura_shell/toplevel_window_event_filter.h"
-#include "ui/aura_shell/window_util.h"
-#include "ui/base/hit_test.h"
-#include "ui/gfx/screen.h"
-
-#if defined(OS_WIN)
-// Windows headers define macros for these function names which screw with us.
-#if defined(CreateWindow)
-#undef CreateWindow
-#endif
-#endif
-
-
-namespace aura_shell {
-namespace test {
-
-namespace {
-
-// A simple window delegate that returns the specified hit-test code when
-// requested and applies a minimum size constraint if there is one.
-class TestWindowDelegate : public aura::test::TestWindowDelegate {
- public:
-  explicit TestWindowDelegate(int hittest_code)
-      : hittest_code_(hittest_code) {
-  }
-  virtual ~TestWindowDelegate() {}
-
-  void set_min_size(const gfx::Size& size) {
-    min_size_ = size;
-  }
-
- private:
-  // Overridden from aura::Test::TestWindowDelegate:
-  virtual gfx::Size GetMinimumSize() const OVERRIDE {
-    return min_size_;
-  }
-  virtual int GetNonClientComponent(const gfx::Point& point) const OVERRIDE {
-    return hittest_code_;
-  }
-  virtual void OnWindowDestroyed() OVERRIDE {
-    delete this;
-  }
-
-  int hittest_code_;
-  gfx::Size min_size_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestWindowDelegate);
-};
-
-class ToplevelWindowEventFilterTest : public aura::test::AuraTestBase {
- public:
-  ToplevelWindowEventFilterTest() {}
-  virtual ~ToplevelWindowEventFilterTest() {}
-
-  virtual void SetUp() OVERRIDE {
-    aura::test::AuraTestBase::SetUp();
-    aura::RootWindow::GetInstance()->SetEventFilter(
-        new ToplevelWindowEventFilter(aura::RootWindow::GetInstance()));
-  }
-
- protected:
-  aura::Window* CreateWindow(int hittest_code) {
-    TestWindowDelegate* d1 = new TestWindowDelegate(hittest_code);
-    aura::Window* w1 = new aura::Window(d1);
-    w1->set_id(1);
-    w1->Init(ui::Layer::LAYER_HAS_TEXTURE);
-    w1->SetParent(NULL);
-    w1->SetBounds(gfx::Rect(0, 0, 100, 100));
-    w1->Show();
-    return w1;
-  }
-
-  void DragFromCenterBy(aura::Window* window, int dx, int dy) {
-    aura::test::EventGenerator generator(window);
-    generator.DragMouseBy(dx, dy);
-  }
-
-  void TouchDragFromCenterBy(aura::Window* window, int dx, int dy) {
-    aura::test::EventGenerator generator(window);
-    generator.PressMoveAndReleaseTouchBy(dx, dy);
-  }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(ToplevelWindowEventFilterTest);
-};
-
-}
-
-TEST_F(ToplevelWindowEventFilterTest, Caption) {
-  scoped_ptr<aura::Window> w1(CreateWindow(HTCAPTION));
-  gfx::Size size = w1->bounds().size();
-  DragFromCenterBy(w1.get(), 100, 100);
-  // Position should have been offset by 100,100.
-  EXPECT_EQ(gfx::Point(100, 100), w1->bounds().origin());
-  // Size should not have.
-  EXPECT_EQ(size, w1->bounds().size());
-
-  TouchDragFromCenterBy(w1.get(), 100, 100);
-  // Position should have been offset by 100,100.
-  EXPECT_EQ(gfx::Point(200, 200), w1->bounds().origin());
-  // Size should not have.
-  EXPECT_EQ(size, w1->bounds().size());
-}
-
-TEST_F(ToplevelWindowEventFilterTest, BottomRight) {
-  scoped_ptr<aura::Window> w1(CreateWindow(HTBOTTOMRIGHT));
-  gfx::Point position = w1->bounds().origin();
-  DragFromCenterBy(w1.get(), 100, 100);
-  // Position should not have changed.
-  EXPECT_EQ(position, w1->bounds().origin());
-  // Size should have increased by 100,100.
-  EXPECT_EQ(gfx::Size(200, 200), w1->bounds().size());
-}
-
-TEST_F(ToplevelWindowEventFilterTest, GrowBox) {
-  scoped_ptr<aura::Window> w1(CreateWindow(HTGROWBOX));
-  TestWindowDelegate* window_delegate =
-    static_cast<TestWindowDelegate*>(w1->delegate());
-  window_delegate->set_min_size(gfx::Size(40, 40));
-
-  gfx::Point position = w1->bounds().origin();
-  aura::test::EventGenerator generator;
-  generator.MoveMouseToCenterOf(w1.get());
-  generator.DragMouseBy(100, 100);
-  // Position should not have changed.
-  EXPECT_EQ(position, w1->bounds().origin());
-  // Size should have increased by 100,100.
-  EXPECT_EQ(gfx::Size(200, 200), w1->bounds().size());
-
-  // Shrink the wnidow by (-100, -100).
-  generator.DragMouseBy(-100, -100);
-  // Position should not have changed.
-  EXPECT_EQ(position, w1->bounds().origin());
-  // Size should have decreased by 100,100.
-  EXPECT_EQ(gfx::Size(100, 100), w1->bounds().size());
-
-  // Enforce minimum size.
-  generator.DragMouseBy(-60, -60);
-  EXPECT_EQ(position, w1->bounds().origin());
-  EXPECT_EQ(gfx::Size(40, 40), w1->bounds().size());
-}
-
-TEST_F(ToplevelWindowEventFilterTest, Right) {
-  scoped_ptr<aura::Window> w1(CreateWindow(HTRIGHT));
-  gfx::Point position = w1->bounds().origin();
-  DragFromCenterBy(w1.get(), 100, 100);
-  // Position should not have changed.
-  EXPECT_EQ(position, w1->bounds().origin());
-  // Size should have increased by 100,0.
-  EXPECT_EQ(gfx::Size(200, 100), w1->bounds().size());
-}
-
-TEST_F(ToplevelWindowEventFilterTest, Bottom) {
-  scoped_ptr<aura::Window> w1(CreateWindow(HTBOTTOM));
-  gfx::Point position = w1->bounds().origin();
-  DragFromCenterBy(w1.get(), 100, 100);
-  // Position should not have changed.
-  EXPECT_EQ(position, w1->bounds().origin());
-  // Size should have increased by 0,100.
-  EXPECT_EQ(gfx::Size(100, 200), w1->bounds().size());
-}
-
-TEST_F(ToplevelWindowEventFilterTest, TopRight) {
-  scoped_ptr<aura::Window> w1(CreateWindow(HTTOPRIGHT));
-  DragFromCenterBy(w1.get(), -50, 50);
-  // Position should have been offset by 0,50.
-  EXPECT_EQ(gfx::Point(0, 50), w1->bounds().origin());
-  // Size should have decreased by 50,50.
-  EXPECT_EQ(gfx::Size(50, 50), w1->bounds().size());
-}
-
-TEST_F(ToplevelWindowEventFilterTest, Top) {
-  scoped_ptr<aura::Window> w1(CreateWindow(HTTOP));
-  DragFromCenterBy(w1.get(), 50, 50);
-  // Position should have been offset by 0,50.
-  EXPECT_EQ(gfx::Point(0, 50), w1->bounds().origin());
-  // Size should have decreased by 0,50.
-  EXPECT_EQ(gfx::Size(100, 50), w1->bounds().size());
-}
-
-TEST_F(ToplevelWindowEventFilterTest, Left) {
-  scoped_ptr<aura::Window> w1(CreateWindow(HTLEFT));
-  DragFromCenterBy(w1.get(), 50, 50);
-  // Position should have been offset by 50,0.
-  EXPECT_EQ(gfx::Point(50, 0), w1->bounds().origin());
-  // Size should have decreased by 50,0.
-  EXPECT_EQ(gfx::Size(50, 100), w1->bounds().size());
-}
-
-TEST_F(ToplevelWindowEventFilterTest, BottomLeft) {
-  scoped_ptr<aura::Window> w1(CreateWindow(HTBOTTOMLEFT));
-  DragFromCenterBy(w1.get(), 50, -50);
-  // Position should have been offset by 50,0.
-  EXPECT_EQ(gfx::Point(50, 0), w1->bounds().origin());
-  // Size should have decreased by 50,50.
-  EXPECT_EQ(gfx::Size(50, 50), w1->bounds().size());
-}
-
-TEST_F(ToplevelWindowEventFilterTest, TopLeft) {
-  scoped_ptr<aura::Window> w1(CreateWindow(HTTOPLEFT));
-  DragFromCenterBy(w1.get(), 50, 50);
-  // Position should have been offset by 50,50.
-  EXPECT_EQ(gfx::Point(50, 50), w1->bounds().origin());
-  // Size should have decreased by 50,50.
-  EXPECT_EQ(gfx::Size(50, 50), w1->bounds().size());
-}
-
-TEST_F(ToplevelWindowEventFilterTest, Client) {
-  scoped_ptr<aura::Window> w1(CreateWindow(HTCLIENT));
-  gfx::Rect bounds = w1->bounds();
-  DragFromCenterBy(w1.get(), 100, 100);
-  // Neither position nor size should have changed.
-  EXPECT_EQ(bounds, w1->bounds());
-}
-
-TEST_F(ToplevelWindowEventFilterTest, LeftPastMinimum) {
-  scoped_ptr<aura::Window> w1(CreateWindow(HTLEFT));
-  TestWindowDelegate* window_delegate =
-      static_cast<TestWindowDelegate*>(w1->delegate());
-  window_delegate->set_min_size(gfx::Size(40, 40));
-
-  // Simulate a large left-to-right drag.  Window width should be clamped to
-  // minimum and position change should be limited as well.
-  DragFromCenterBy(w1.get(), 333, 0);
-  EXPECT_EQ(gfx::Point(60, 0), w1->bounds().origin());
-  EXPECT_EQ(gfx::Size(40, 100), w1->bounds().size());
-}
-
-TEST_F(ToplevelWindowEventFilterTest, RightPastMinimum) {
-  scoped_ptr<aura::Window> w1(CreateWindow(HTRIGHT));
-  TestWindowDelegate* window_delegate =
-      static_cast<TestWindowDelegate*>(w1->delegate());
-  window_delegate->set_min_size(gfx::Size(40, 40));
-  gfx::Point position = w1->bounds().origin();
-
-  // Simulate a large right-to-left drag.  Window width should be clamped to
-  // minimum and position should not change.
-  DragFromCenterBy(w1.get(), -333, 0);
-  EXPECT_EQ(position, w1->bounds().origin());
-  EXPECT_EQ(gfx::Size(40, 100), w1->bounds().size());
-}
-
-TEST_F(ToplevelWindowEventFilterTest, TopLeftPastMinimum) {
-  scoped_ptr<aura::Window> w1(CreateWindow(HTTOPLEFT));
-  TestWindowDelegate* window_delegate =
-      static_cast<TestWindowDelegate*>(w1->delegate());
-  window_delegate->set_min_size(gfx::Size(40, 40));
-
-  // Simulate a large top-left to bottom-right drag.  Window width should be
-  // clamped to minimum and position should be limited.
-  DragFromCenterBy(w1.get(), 333, 444);
-  EXPECT_EQ(gfx::Point(60, 60), w1->bounds().origin());
-  EXPECT_EQ(gfx::Size(40, 40), w1->bounds().size());
-}
-
-TEST_F(ToplevelWindowEventFilterTest, TopRightPastMinimum) {
-  scoped_ptr<aura::Window> w1(CreateWindow(HTTOPRIGHT));
-  TestWindowDelegate* window_delegate =
-      static_cast<TestWindowDelegate*>(w1->delegate());
-  window_delegate->set_min_size(gfx::Size(40, 40));
-
-  // Simulate a large top-right to bottom-left drag.  Window size should be
-  // clamped to minimum, x position should not change, and y position should
-  // be clamped.
-  DragFromCenterBy(w1.get(), -333, 444);
-  EXPECT_EQ(gfx::Point(0, 60), w1->bounds().origin());
-  EXPECT_EQ(gfx::Size(40, 40), w1->bounds().size());
-}
-
-TEST_F(ToplevelWindowEventFilterTest, BottomLeftPastMinimum) {
-  scoped_ptr<aura::Window> w1(CreateWindow(HTBOTTOMLEFT));
-  TestWindowDelegate* window_delegate =
-      static_cast<TestWindowDelegate*>(w1->delegate());
-  window_delegate->set_min_size(gfx::Size(40, 40));
-
-  // Simulate a large bottom-left to top-right drag.  Window size should be
-  // clamped to minimum, x position should be clamped, and y position should
-  // not change.
-  DragFromCenterBy(w1.get(), 333, -444);
-  EXPECT_EQ(gfx::Point(60, 0), w1->bounds().origin());
-  EXPECT_EQ(gfx::Size(40, 40), w1->bounds().size());
-}
-
-TEST_F(ToplevelWindowEventFilterTest, BottomRightPastMinimum) {
-  scoped_ptr<aura::Window> w1(CreateWindow(HTBOTTOMRIGHT));
-  TestWindowDelegate* window_delegate =
-      static_cast<TestWindowDelegate*>(w1->delegate());
-  window_delegate->set_min_size(gfx::Size(40, 40));
-  gfx::Point position = w1->bounds().origin();
-
-  // Simulate a large bottom-right to top-left drag.  Window size should be
-  // clamped to minimum and position should not change.
-  DragFromCenterBy(w1.get(), -333, -444);
-  EXPECT_EQ(position, w1->bounds().origin());
-  EXPECT_EQ(gfx::Size(40, 40), w1->bounds().size());
-}
-
-TEST_F(ToplevelWindowEventFilterTest, DoubleClickCaptionTogglesMaximize) {
-  scoped_ptr<aura::Window> w1(CreateWindow(HTCAPTION));
-  EXPECT_FALSE(IsWindowMaximized(w1.get()));
-
-  aura::test::EventGenerator generator(w1.get());
-  generator.DoubleClickLeftButton();
-
-  EXPECT_TRUE(IsWindowMaximized(w1.get()));
-  generator.DoubleClickLeftButton();
-
-  EXPECT_FALSE(IsWindowMaximized(w1.get()));
-}
-
-}  // namespace test
-}  // namespace aura