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// 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/desktop_background/desktop_background_controller.h"
#include <cmath>
#include <cstdlib>
#include "ash/ash_switches.h"
#include "ash/desktop_background/desktop_background_widget_controller.h"
#include "ash/root_window_controller.h"
#include "ash/shell.h"
#include "ash/shell_window_ids.h"
#include "ash/test/ash_test_base.h"
#include "ash/test/display_manager_test_api.h"
#include "ash/test/test_user_wallpaper_delegate.h"
#include "base/message_loop/message_loop.h"
#include "base/threading/sequenced_worker_pool.h"
#include "content/public/test/test_utils.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "third_party/skia/include/core/SkColor.h"
#include "ui/aura/window_event_dispatcher.h"
#include "ui/compositor/scoped_animation_duration_scale_mode.h"
#include "ui/compositor/test/layer_animator_test_controller.h"
using aura::RootWindow;
using aura::Window;
using wallpaper::WallpaperLayout;
using wallpaper::WALLPAPER_LAYOUT_CENTER;
using wallpaper::WALLPAPER_LAYOUT_CENTER_CROPPED;
using wallpaper::WALLPAPER_LAYOUT_STRETCH;
using wallpaper::WALLPAPER_LAYOUT_TILE;
namespace ash {
namespace {
// Containers IDs used for tests.
const int kDesktopBackgroundId = ash::kShellWindowId_DesktopBackgroundContainer;
const int kLockScreenBackgroundId =
ash::kShellWindowId_LockScreenBackgroundContainer;
// Returns number of child windows in a shell window container.
int ChildCountForContainer(int container_id) {
Window* root = ash::Shell::GetPrimaryRootWindow();
Window* container = root->GetChildById(container_id);
return static_cast<int>(container->children().size());
}
// Steps a widget's layer animation until it is completed. Animations must be
// enabled.
void RunAnimationForWidget(views::Widget* widget) {
// Animations must be enabled for stepping to work.
ASSERT_NE(ui::ScopedAnimationDurationScaleMode::duration_scale_mode(),
ui::ScopedAnimationDurationScaleMode::ZERO_DURATION);
ui::Layer* layer = widget->GetNativeView()->layer();
ui::LayerAnimatorTestController controller(layer->GetAnimator());
// Multiple steps are required to complete complex animations.
// TODO(vollick): This should not be necessary. crbug.com/154017
while (controller.animator()->is_animating()) {
controller.StartThreadedAnimationsIfNeeded();
base::TimeTicks step_time = controller.animator()->last_step_time();
layer->GetAnimator()->Step(step_time +
base::TimeDelta::FromMilliseconds(1000));
}
}
} // namespace
class DesktopBackgroundControllerTest : public test::AshTestBase {
public:
DesktopBackgroundControllerTest()
: controller_(NULL),
wallpaper_delegate_(NULL) {
}
~DesktopBackgroundControllerTest() override {}
void SetUp() override {
test::AshTestBase::SetUp();
// Ash shell initialization creates wallpaper. Reset it so we can manually
// control wallpaper creation and animation in our tests.
RootWindowController* root_window_controller =
Shell::GetPrimaryRootWindowController();
root_window_controller->SetWallpaperController(NULL);
root_window_controller->SetAnimatingWallpaperController(NULL);
controller_ = Shell::GetInstance()->desktop_background_controller();
wallpaper_delegate_ = static_cast<test::TestUserWallpaperDelegate*>(
Shell::GetInstance()->user_wallpaper_delegate());
controller_->set_wallpaper_reload_delay_for_test(0);
}
protected:
// A color that can be passed to CreateImage(). Specifically chosen to not
// conflict with any of the default wallpaper colors.
static const SkColor kCustomWallpaperColor = SK_ColorMAGENTA;
// Creates an image of size |size|.
gfx::ImageSkia CreateImage(int width, int height, SkColor color) {
SkBitmap bitmap;
bitmap.allocN32Pixels(width, height);
bitmap.eraseColor(color);
gfx::ImageSkia image = gfx::ImageSkia::CreateFrom1xBitmap(bitmap);
return image;
}
// Runs kAnimatingDesktopController's animation to completion.
// TODO(bshe): Don't require tests to run animations; it's slow.
void RunDesktopControllerAnimation() {
DesktopBackgroundWidgetController* controller =
Shell::GetPrimaryRootWindowController()
->animating_wallpaper_controller()
->GetController(false);
EXPECT_TRUE(!!controller);
ASSERT_NO_FATAL_FAILURE(RunAnimationForWidget(controller->widget()));
}
DesktopBackgroundController* controller_; // Not owned.
test::TestUserWallpaperDelegate* wallpaper_delegate_;
private:
DISALLOW_COPY_AND_ASSIGN(DesktopBackgroundControllerTest);
};
TEST_F(DesktopBackgroundControllerTest, BasicReparenting) {
DesktopBackgroundController* controller =
Shell::GetInstance()->desktop_background_controller();
controller->CreateEmptyWallpaper();
// Wallpaper view/window exists in the desktop background container and
// nothing is in the lock screen background container.
EXPECT_EQ(1, ChildCountForContainer(kDesktopBackgroundId));
EXPECT_EQ(0, ChildCountForContainer(kLockScreenBackgroundId));
// Moving background to lock container should succeed the first time but
// subsequent calls should do nothing.
EXPECT_TRUE(controller->MoveDesktopToLockedContainer());
EXPECT_FALSE(controller->MoveDesktopToLockedContainer());
// One window is moved from desktop to lock container.
EXPECT_EQ(0, ChildCountForContainer(kDesktopBackgroundId));
EXPECT_EQ(1, ChildCountForContainer(kLockScreenBackgroundId));
// Moving background to desktop container should succeed the first time.
EXPECT_TRUE(controller->MoveDesktopToUnlockedContainer());
EXPECT_FALSE(controller->MoveDesktopToUnlockedContainer());
// One window is moved from lock to desktop container.
EXPECT_EQ(1, ChildCountForContainer(kDesktopBackgroundId));
EXPECT_EQ(0, ChildCountForContainer(kLockScreenBackgroundId));
}
TEST_F(DesktopBackgroundControllerTest, ControllerOwnership) {
// We cannot short-circuit animations for this test.
ui::ScopedAnimationDurationScaleMode test_duration_mode(
ui::ScopedAnimationDurationScaleMode::NON_ZERO_DURATION);
// Create wallpaper and background view.
DesktopBackgroundController* controller =
Shell::GetInstance()->desktop_background_controller();
controller->CreateEmptyWallpaper();
// The new wallpaper is ready to start animating. kAnimatingDesktopController
// holds the widget controller instance. kDesktopController will get it later.
RootWindowController* root_window_controller =
Shell::GetPrimaryRootWindowController();
EXPECT_TRUE(root_window_controller->animating_wallpaper_controller()->
GetController(false));
// kDesktopController will receive the widget controller when the animation
// is done.
EXPECT_FALSE(root_window_controller->wallpaper_controller());
// Force the widget's layer animation to play to completion.
RunDesktopControllerAnimation();
// Ownership has moved from kAnimatingDesktopController to kDesktopController.
EXPECT_FALSE(root_window_controller->animating_wallpaper_controller()->
GetController(false));
EXPECT_TRUE(root_window_controller->wallpaper_controller());
}
// Test for crbug.com/149043 "Unlock screen, no launcher appears". Ensure we
// move all desktop views if there are more than one.
TEST_F(DesktopBackgroundControllerTest, BackgroundMovementDuringUnlock) {
// We cannot short-circuit animations for this test.
ui::ScopedAnimationDurationScaleMode test_duration_mode(
ui::ScopedAnimationDurationScaleMode::NON_ZERO_DURATION);
// Reset wallpaper state, see ControllerOwnership above.
DesktopBackgroundController* controller =
Shell::GetInstance()->desktop_background_controller();
controller->CreateEmptyWallpaper();
// Run wallpaper show animation to completion.
RunDesktopControllerAnimation();
// User locks the screen, which moves the background forward.
controller->MoveDesktopToLockedContainer();
// Suspend/resume cycle causes wallpaper to refresh, loading a new desktop
// background that will animate in on top of the old one.
controller->CreateEmptyWallpaper();
// In this state we have two desktop background views stored in different
// properties. Both are in the lock screen background container.
RootWindowController* root_window_controller =
Shell::GetPrimaryRootWindowController();
EXPECT_TRUE(root_window_controller->animating_wallpaper_controller()->
GetController(false));
EXPECT_TRUE(root_window_controller->wallpaper_controller());
EXPECT_EQ(0, ChildCountForContainer(kDesktopBackgroundId));
EXPECT_EQ(2, ChildCountForContainer(kLockScreenBackgroundId));
// Before the wallpaper's animation completes, user unlocks the screen, which
// moves the desktop to the back.
controller->MoveDesktopToUnlockedContainer();
// Ensure both desktop backgrounds have moved.
EXPECT_EQ(2, ChildCountForContainer(kDesktopBackgroundId));
EXPECT_EQ(0, ChildCountForContainer(kLockScreenBackgroundId));
// Finish the new desktop background animation.
RunDesktopControllerAnimation();
// Now there is one desktop background, in the back.
EXPECT_EQ(1, ChildCountForContainer(kDesktopBackgroundId));
EXPECT_EQ(0, ChildCountForContainer(kLockScreenBackgroundId));
}
// Test for crbug.com/156542. Animating wallpaper should immediately finish
// animation and replace current wallpaper before next animation starts.
TEST_F(DesktopBackgroundControllerTest, ChangeWallpaperQuick) {
// We cannot short-circuit animations for this test.
ui::ScopedAnimationDurationScaleMode test_duration_mode(
ui::ScopedAnimationDurationScaleMode::NON_ZERO_DURATION);
// Reset wallpaper state, see ControllerOwnership above.
DesktopBackgroundController* controller =
Shell::GetInstance()->desktop_background_controller();
controller->CreateEmptyWallpaper();
// Run wallpaper show animation to completion.
RunDesktopControllerAnimation();
// Change to a new wallpaper.
controller->CreateEmptyWallpaper();
RootWindowController* root_window_controller =
Shell::GetPrimaryRootWindowController();
DesktopBackgroundWidgetController* animating_controller =
root_window_controller->animating_wallpaper_controller()->GetController(
false);
EXPECT_TRUE(animating_controller);
EXPECT_TRUE(root_window_controller->wallpaper_controller());
// Change to another wallpaper before animation finished.
controller->CreateEmptyWallpaper();
// The animating controller should immediately move to desktop controller.
EXPECT_EQ(animating_controller,
root_window_controller->wallpaper_controller());
// Cache the new animating controller.
animating_controller = root_window_controller->
animating_wallpaper_controller()->GetController(false);
// Run wallpaper show animation to completion.
ASSERT_NO_FATAL_FAILURE(
RunAnimationForWidget(
root_window_controller->animating_wallpaper_controller()->
GetController(false)->widget()));
EXPECT_TRUE(root_window_controller->wallpaper_controller());
EXPECT_FALSE(root_window_controller->animating_wallpaper_controller()->
GetController(false));
// The desktop controller should be the last created animating controller.
EXPECT_EQ(animating_controller,
root_window_controller->wallpaper_controller());
}
TEST_F(DesktopBackgroundControllerTest, ResizeCustomWallpaper) {
if (!SupportsMultipleDisplays())
return;
test::DisplayManagerTestApi display_manager_test_api(
Shell::GetInstance()->display_manager());
display_manager_test_api.UpdateDisplay("320x200");
gfx::ImageSkia image = CreateImage(640, 480, kCustomWallpaperColor);
// Set the image as custom wallpaper, wait for the resize to finish, and check
// that the resized image is the expected size.
controller_->SetWallpaperImage(image, WALLPAPER_LAYOUT_STRETCH);
EXPECT_TRUE(image.BackedBySameObjectAs(controller_->GetWallpaper()));
content::RunAllBlockingPoolTasksUntilIdle();
gfx::ImageSkia resized_image = controller_->GetWallpaper();
EXPECT_FALSE(image.BackedBySameObjectAs(resized_image));
EXPECT_EQ(gfx::Size(320, 200).ToString(), resized_image.size().ToString());
// Load the original wallpaper again and check that we're still using the
// previously-resized image instead of doing another resize
// (http://crbug.com/321402).
controller_->SetWallpaperImage(image, WALLPAPER_LAYOUT_STRETCH);
content::RunAllBlockingPoolTasksUntilIdle();
EXPECT_TRUE(resized_image.BackedBySameObjectAs(controller_->GetWallpaper()));
}
TEST_F(DesktopBackgroundControllerTest, GetMaxDisplaySize) {
// Device scale factor shouldn't affect the native size.
UpdateDisplay("1000x300*2");
EXPECT_EQ(
"1000x300",
DesktopBackgroundController::GetMaxDisplaySizeInNative().ToString());
// Rotated display should return the rotated size.
UpdateDisplay("1000x300*2/r");
EXPECT_EQ(
"300x1000",
DesktopBackgroundController::GetMaxDisplaySizeInNative().ToString());
// UI Scaling shouldn't affect the native size.
UpdateDisplay("1000x300*2@1.5");
EXPECT_EQ(
"1000x300",
DesktopBackgroundController::GetMaxDisplaySizeInNative().ToString());
if (!SupportsMultipleDisplays())
return;
// First display has maximum size.
UpdateDisplay("400x300,100x100");
EXPECT_EQ(
"400x300",
DesktopBackgroundController::GetMaxDisplaySizeInNative().ToString());
// Second display has maximum size.
UpdateDisplay("400x300,500x600");
EXPECT_EQ(
"500x600",
DesktopBackgroundController::GetMaxDisplaySizeInNative().ToString());
// Maximum width and height belongs to different displays.
UpdateDisplay("400x300,100x500");
EXPECT_EQ(
"400x500",
DesktopBackgroundController::GetMaxDisplaySizeInNative().ToString());
}
} // namespace ash