chrome/browser/ui/ash/window_positioner_unittest.cc - chromium/src.git - Git at Google

 // Copyright (c) 2012 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/common/wm/window_positioner.h"

 #include <utility>

 #include "ash/common/wm/window_resizer.h"
 #include "ash/common/wm_shell.h"
 #include "ash/test/ash_test_base.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/test/base/test_browser_window_aura.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/public/test/render_view_test.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/aura/env.h"
 #include "ui/aura/test/test_windows.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/display/screen.h"

 namespace ash {
 namespace test {

 // A test class for preparing window positioner tests - it creates a testing
 // base by adding a window and a popup which can be independently
 // positioned to see where the positioner will place the window.
 class WindowPositionerTest : public AshTestBase {
  public:
   WindowPositionerTest();

   void SetUp() override;
   void TearDown() override;

  protected:
   aura::Window* window() { return browser_->window()->GetNativeWindow(); }
   aura::Window* popup() { return browser_popup_->window()->GetNativeWindow(); }

   WindowPositioner* window_positioner() { return window_positioner_.get(); }

   // The positioner & desktop's used grid alignment size.
   const int grid_size_;

  private:
   std::unique_ptr<WindowPositioner> window_positioner_;

   TestingProfile profile_;

   std::unique_ptr<Browser> browser_;
   std::unique_ptr<Browser> browser_popup_;

   DISALLOW_COPY_AND_ASSIGN(WindowPositionerTest);
 };

 WindowPositionerTest::WindowPositionerTest()
     : grid_size_(WindowPositioner::kMinimumWindowOffset) {}

 void WindowPositionerTest::SetUp() {
   AshTestBase::SetUp();
   // Create some default dummy windows.
   std::unique_ptr<aura::Window> dummy_window(CreateTestWindowInShellWithId(0));
   dummy_window->SetBounds(gfx::Rect(16, 32, 640, 320));
   std::unique_ptr<aura::Window> dummy_popup(CreateTestWindowInShellWithId(1));
   dummy_popup->SetBounds(gfx::Rect(16, 32, 128, 256));

   // Create a browser for the window.
   Browser::CreateParams window_params(&profile_, true);
   browser_ = chrome::CreateBrowserWithAuraTestWindowForParams(
       std::move(dummy_window), &window_params);

   // Creating a browser for the popup.
   Browser::CreateParams popup_params(Browser::TYPE_POPUP, &profile_, true);
   browser_popup_ = chrome::CreateBrowserWithAuraTestWindowForParams(
       std::move(dummy_popup), &popup_params);

   // We hide all windows upon start - each user is required to set it up
   // as they need it.
   window()->Hide();
   popup()->Hide();
   window_positioner_.reset(new WindowPositioner(WmShell::Get()));
 }

 void WindowPositionerTest::TearDown() {
   // Since the AuraTestBase is needed to create our assets, we have to
   // also delete them before we tear it down.
   browser_.reset();
   browser_popup_.reset();
   window_positioner_.reset();
   AshTestBase::TearDown();
 }

 int AlignToGridRoundDown(int location, int grid_size) {
   if (grid_size <= 1 || location % grid_size == 0)
     return location;
   return location / grid_size * grid_size;
 }

 TEST_F(WindowPositionerTest, cascading) {
   const gfx::Rect work_area =
       display::Screen::GetScreen()->GetPrimaryDisplay().work_area();

   // First see that the window will cascade down when there is no space.
   window()->SetBounds(work_area);
   window()->Show();

   gfx::Rect popup_position(0, 0, 200, 200);
   // Check that it gets cascaded.
   gfx::Rect cascade_1 = window_positioner()->GetPopupPosition(popup_position);
   EXPECT_EQ(gfx::Rect(work_area.x() + grid_size_, work_area.y() + grid_size_,
                       popup_position.width(), popup_position.height()),
                       cascade_1);

   gfx::Rect cascade_2 = window_positioner()->GetPopupPosition(popup_position);
   EXPECT_EQ(gfx::Rect(work_area.x() + 2 * grid_size_,
                       work_area.y() + 2 * grid_size_,
                       popup_position.width(), popup_position.height()),
                       cascade_2);

   // Check that if there is even only a pixel missing it will cascade.
   window()->SetBounds(gfx::Rect(work_area.x() + popup_position.width() - 1,
                                 work_area.y() + popup_position.height() - 1,
                                 work_area.width() -
                                     2 * (popup_position.width() - 1),
                                 work_area.height() -
                                     2 * (popup_position.height() - 1)));

   gfx::Rect cascade_3 = window_positioner()->GetPopupPosition(popup_position);
   EXPECT_EQ(gfx::Rect(work_area.x() + 3 * grid_size_,
                       work_area.y() + 3 * grid_size_,
                       popup_position.width(), popup_position.height()),
                       cascade_3);

   // Check that we overflow into the next line when we do not fit anymore in Y.
   gfx::Rect popup_position_4(0, 0, 200,
                              work_area.height() -
                                  (cascade_3.y() - work_area.y()));
   gfx::Rect cascade_4 =
       window_positioner()->GetPopupPosition(popup_position_4);
   EXPECT_EQ(gfx::Rect(work_area.x() + 2 * grid_size_,
                       work_area.y() + grid_size_,
                       popup_position_4.width(), popup_position_4.height()),
                       cascade_4);

   // Check that we overflow back to the first possible location if we overflow
   // to the end.
   gfx::Rect popup_position_5(0, 0,
                             work_area.width() + 1 -
                                 (cascade_4.x() - work_area.x()),
                             work_area.height() -
                                 (2 * grid_size_ - work_area.y()));
   gfx::Rect cascade_5 =
       window_positioner()->GetPopupPosition(popup_position_5);
   EXPECT_EQ(gfx::Rect(work_area.x() + grid_size_,
                       work_area.y() + grid_size_,
                       popup_position_5.width(), popup_position_5.height()),
                       cascade_5);
 }

 TEST_F(WindowPositionerTest, filling) {
   const gfx::Rect work_area =
       display::Screen::GetScreen()->GetPrimaryDisplay().work_area();
   gfx::Rect popup_position(0, 0, 256, 128);
   // Leave space on the left and the right and see if we fill top to bottom.
   window()->SetBounds(gfx::Rect(work_area.x() + popup_position.width(),
                                 work_area.y(),
                                 work_area.width() - 2 * popup_position.width(),
                                 work_area.height()));
   window()->Show();
   // Check that we are positioned in the top left corner.
   gfx::Rect top_left = window_positioner()->GetPopupPosition(popup_position);
   EXPECT_EQ(gfx::Rect(work_area.x(), work_area.y(),
                       popup_position.width(), popup_position.height()),
                       top_left);

   // Now block the found location.
   popup()->SetBounds(top_left);
   popup()->Show();
   gfx::Rect mid_left = window_positioner()->GetPopupPosition(popup_position);
   EXPECT_EQ(gfx::Rect(work_area.x(),
                       AlignToGridRoundDown(
                           work_area.y() + top_left.height(), grid_size_),
                           popup_position.width(), popup_position.height()),
                       mid_left);

   // Block now everything so that we can only put the popup on the bottom
   // of the left side.
   // Note: We need to keep one "grid spacing free" if the window does not
   // fit into the grid (which is true for 200 height).`
   popup()->SetBounds(gfx::Rect(work_area.x(), work_area.y(),
                                popup_position.width(),
                                work_area.height() - popup_position.height() -
                                    grid_size_ + 1));
   gfx::Rect bottom_left = window_positioner()->GetPopupPosition(
                               popup_position);
   EXPECT_EQ(gfx::Rect(work_area.x(),
                       work_area.bottom() - popup_position.height(),
                       popup_position.width(), popup_position.height()),
                       bottom_left);

   // Block now enough to force the right side.
   popup()->SetBounds(gfx::Rect(work_area.x(), work_area.y(),
                                popup_position.width(),
                                work_area.height() - popup_position.height() +
                                1));
   gfx::Rect top_right = window_positioner()->GetPopupPosition(
                             popup_position);
   EXPECT_EQ(gfx::Rect(AlignToGridRoundDown(work_area.right() -
                                            popup_position.width(), grid_size_),
                       work_area.y(),
                       popup_position.width(), popup_position.height()),
                       top_right);
 }

 TEST_F(WindowPositionerTest, biggerThenBorder) {
   const gfx::Rect work_area =
       display::Screen::GetScreen()->GetPrimaryDisplay().work_area();

   gfx::Rect pop_position(0, 0, work_area.width(), work_area.height());

   // Check that the popup is placed full screen.
   gfx::Rect full = window_positioner()->GetPopupPosition(pop_position);
   EXPECT_EQ(gfx::Rect(work_area.x(), work_area.y(),
                       pop_position.width(), pop_position.height()),
                       full);
 }

 }  // namespace test
 }  // namespace ash
	// Copyright (c) 2012 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/common/wm/window_positioner.h"

	#include <utility>

	#include "ash/common/wm/window_resizer.h"
	#include "ash/common/wm_shell.h"
	#include "ash/test/ash_test_base.h"
	#include "base/logging.h"
	#include "base/macros.h"
	#include "chrome/browser/ui/browser.h"
	#include "chrome/test/base/test_browser_window_aura.h"
	#include "chrome/test/base/testing_profile.h"
	#include "content/public/test/render_view_test.h"
	#include "testing/gtest/include/gtest/gtest.h"
	#include "ui/aura/env.h"
	#include "ui/aura/test/test_windows.h"
	#include "ui/aura/window_event_dispatcher.h"
	#include "ui/display/screen.h"

	namespace ash {
	namespace test {

	// A test class for preparing window positioner tests - it creates a testing
	// base by adding a window and a popup which can be independently
	// positioned to see where the positioner will place the window.
	class WindowPositionerTest : public AshTestBase {
	public:
	WindowPositionerTest();

	void SetUp() override;
	void TearDown() override;

	protected:
	aura::Window* window() { return browser_->window()->GetNativeWindow(); }
	aura::Window* popup() { return browser_popup_->window()->GetNativeWindow(); }

	WindowPositioner* window_positioner() { return window_positioner_.get(); }

	// The positioner & desktop's used grid alignment size.
	const int grid_size_;

	private:
	std::unique_ptr<WindowPositioner> window_positioner_;

	TestingProfile profile_;

	std::unique_ptr<Browser> browser_;
	std::unique_ptr<Browser> browser_popup_;

	DISALLOW_COPY_AND_ASSIGN(WindowPositionerTest);
	};

	WindowPositionerTest::WindowPositionerTest()
	: grid_size_(WindowPositioner::kMinimumWindowOffset) {}

	void WindowPositionerTest::SetUp() {
	AshTestBase::SetUp();
	// Create some default dummy windows.
	std::unique_ptr<aura::Window> dummy_window(CreateTestWindowInShellWithId(0));
	dummy_window->SetBounds(gfx::Rect(16, 32, 640, 320));
	std::unique_ptr<aura::Window> dummy_popup(CreateTestWindowInShellWithId(1));
	dummy_popup->SetBounds(gfx::Rect(16, 32, 128, 256));

	// Create a browser for the window.
	Browser::CreateParams window_params(&profile_, true);
	browser_ = chrome::CreateBrowserWithAuraTestWindowForParams(
	std::move(dummy_window), &window_params);

	// Creating a browser for the popup.
	Browser::CreateParams popup_params(Browser::TYPE_POPUP, &profile_, true);
	browser_popup_ = chrome::CreateBrowserWithAuraTestWindowForParams(
	std::move(dummy_popup), &popup_params);

	// We hide all windows upon start - each user is required to set it up
	// as they need it.
	window()->Hide();
	popup()->Hide();
	window_positioner_.reset(new WindowPositioner(WmShell::Get()));
	}

	void WindowPositionerTest::TearDown() {
	// Since the AuraTestBase is needed to create our assets, we have to
	// also delete them before we tear it down.
	browser_.reset();
	browser_popup_.reset();
	window_positioner_.reset();
	AshTestBase::TearDown();
	}

	int AlignToGridRoundDown(int location, int grid_size) {
	if (grid_size <= 1 \|\| location % grid_size == 0)
	return location;
	return location / grid_size * grid_size;
	}

	TEST_F(WindowPositionerTest, cascading) {
	const gfx::Rect work_area =
	display::Screen::GetScreen()->GetPrimaryDisplay().work_area();

	// First see that the window will cascade down when there is no space.
	window()->SetBounds(work_area);
	window()->Show();

	gfx::Rect popup_position(0, 0, 200, 200);
	// Check that it gets cascaded.
	gfx::Rect cascade_1 = window_positioner()->GetPopupPosition(popup_position);
	EXPECT_EQ(gfx::Rect(work_area.x() + grid_size_, work_area.y() + grid_size_,
	popup_position.width(), popup_position.height()),
	cascade_1);

	gfx::Rect cascade_2 = window_positioner()->GetPopupPosition(popup_position);
	EXPECT_EQ(gfx::Rect(work_area.x() + 2 * grid_size_,
	work_area.y() + 2 * grid_size_,
	popup_position.width(), popup_position.height()),
	cascade_2);

	// Check that if there is even only a pixel missing it will cascade.
	window()->SetBounds(gfx::Rect(work_area.x() + popup_position.width() - 1,
	work_area.y() + popup_position.height() - 1,
	work_area.width() -
	2 * (popup_position.width() - 1),
	work_area.height() -
	2 * (popup_position.height() - 1)));

	gfx::Rect cascade_3 = window_positioner()->GetPopupPosition(popup_position);
	EXPECT_EQ(gfx::Rect(work_area.x() + 3 * grid_size_,
	work_area.y() + 3 * grid_size_,
	popup_position.width(), popup_position.height()),
	cascade_3);

	// Check that we overflow into the next line when we do not fit anymore in Y.
	gfx::Rect popup_position_4(0, 0, 200,
	work_area.height() -
	(cascade_3.y() - work_area.y()));
	gfx::Rect cascade_4 =
	window_positioner()->GetPopupPosition(popup_position_4);
	EXPECT_EQ(gfx::Rect(work_area.x() + 2 * grid_size_,
	work_area.y() + grid_size_,
	popup_position_4.width(), popup_position_4.height()),
	cascade_4);

	// Check that we overflow back to the first possible location if we overflow
	// to the end.
	gfx::Rect popup_position_5(0, 0,
	work_area.width() + 1 -
	(cascade_4.x() - work_area.x()),
	work_area.height() -
	(2 * grid_size_ - work_area.y()));
	gfx::Rect cascade_5 =
	window_positioner()->GetPopupPosition(popup_position_5);
	EXPECT_EQ(gfx::Rect(work_area.x() + grid_size_,
	work_area.y() + grid_size_,
	popup_position_5.width(), popup_position_5.height()),
	cascade_5);
	}

	TEST_F(WindowPositionerTest, filling) {
	const gfx::Rect work_area =
	display::Screen::GetScreen()->GetPrimaryDisplay().work_area();
	gfx::Rect popup_position(0, 0, 256, 128);
	// Leave space on the left and the right and see if we fill top to bottom.
	window()->SetBounds(gfx::Rect(work_area.x() + popup_position.width(),
	work_area.y(),
	work_area.width() - 2 * popup_position.width(),
	work_area.height()));
	window()->Show();
	// Check that we are positioned in the top left corner.
	gfx::Rect top_left = window_positioner()->GetPopupPosition(popup_position);
	EXPECT_EQ(gfx::Rect(work_area.x(), work_area.y(),
	popup_position.width(), popup_position.height()),
	top_left);

	// Now block the found location.
	popup()->SetBounds(top_left);
	popup()->Show();
	gfx::Rect mid_left = window_positioner()->GetPopupPosition(popup_position);
	EXPECT_EQ(gfx::Rect(work_area.x(),
	AlignToGridRoundDown(
	work_area.y() + top_left.height(), grid_size_),
	popup_position.width(), popup_position.height()),
	mid_left);

	// Block now everything so that we can only put the popup on the bottom
	// of the left side.
	// Note: We need to keep one "grid spacing free" if the window does not
	// fit into the grid (which is true for 200 height).`
	popup()->SetBounds(gfx::Rect(work_area.x(), work_area.y(),
	popup_position.width(),
	work_area.height() - popup_position.height() -
	grid_size_ + 1));
	gfx::Rect bottom_left = window_positioner()->GetPopupPosition(
	popup_position);
	EXPECT_EQ(gfx::Rect(work_area.x(),
	work_area.bottom() - popup_position.height(),
	popup_position.width(), popup_position.height()),
	bottom_left);

	// Block now enough to force the right side.
	popup()->SetBounds(gfx::Rect(work_area.x(), work_area.y(),
	popup_position.width(),
	work_area.height() - popup_position.height() +
	1));
	gfx::Rect top_right = window_positioner()->GetPopupPosition(
	popup_position);
	EXPECT_EQ(gfx::Rect(AlignToGridRoundDown(work_area.right() -
	popup_position.width(), grid_size_),
	work_area.y(),
	popup_position.width(), popup_position.height()),
	top_right);
	}

	TEST_F(WindowPositionerTest, biggerThenBorder) {
	const gfx::Rect work_area =
	display::Screen::GetScreen()->GetPrimaryDisplay().work_area();

	gfx::Rect pop_position(0, 0, work_area.width(), work_area.height());

	// Check that the popup is placed full screen.
	gfx::Rect full = window_positioner()->GetPopupPosition(pop_position);
	EXPECT_EQ(gfx::Rect(work_area.x(), work_area.y(),
	pop_position.width(), pop_position.height()),
	full);
	}

	} // namespace test
	} // namespace ash