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Unified Diff: ash/common/wallpaper/wallpaper_controller_unittest.cc

Issue 2734653002: chromeos: Move files in //ash/common to //ash (Closed)
Patch Set: fix a11y tests, fix docs Created 3 years, 10 months ago
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Index: ash/common/wallpaper/wallpaper_controller_unittest.cc
diff --git a/ash/common/wallpaper/wallpaper_controller_unittest.cc b/ash/common/wallpaper/wallpaper_controller_unittest.cc
deleted file mode 100644
index d7aac9f79c9e599a0e763b354e62ea8b0dff72a0..0000000000000000000000000000000000000000
--- a/ash/common/wallpaper/wallpaper_controller_unittest.cc
+++ /dev/null
@@ -1,473 +0,0 @@
-// 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/wallpaper/wallpaper_controller.h"
-
-#include <cmath>
-#include <cstdlib>
-
-#include "ash/common/wallpaper/wallpaper_view.h"
-#include "ash/common/wallpaper/wallpaper_widget_controller.h"
-#include "ash/common/wm_shell.h"
-#include "ash/common/wm_window.h"
-#include "ash/public/cpp/shell_window_ids.h"
-#include "ash/root_window_controller.h"
-#include "ash/test/ash_test_base.h"
-#include "ash/test/test_wallpaper_delegate.h"
-#include "base/message_loop/message_loop.h"
-#include "base/run_loop.h"
-#include "base/strings/stringprintf.h"
-#include "base/threading/sequenced_worker_pool.h"
-#include "third_party/skia/include/core/SkBitmap.h"
-#include "third_party/skia/include/core/SkColor.h"
-#include "ui/compositor/scoped_animation_duration_scale_mode.h"
-#include "ui/compositor/test/layer_animator_test_controller.h"
-#include "ui/gfx/canvas.h"
-#include "ui/views/widget/widget.h"
-
-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 kWallpaperId = ash::kShellWindowId_WallpaperContainer;
-const int kLockScreenWallpaperId =
- ash::kShellWindowId_LockScreenWallpaperContainer;
-
-// Returns number of child windows in a shell window container.
-int ChildCountForContainer(int container_id) {
- WmWindow* root = WmShell::Get()->GetPrimaryRootWindow();
- WmWindow* container = root->GetChildByShellWindowId(container_id);
- return static_cast<int>(container->GetChildren().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->GetLayer();
- 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));
- }
-}
-
-// Monitors if any task is processed by the message loop.
-class TaskObserver : public base::MessageLoop::TaskObserver {
- public:
- TaskObserver() : processed_(false) {}
- ~TaskObserver() override {}
-
- // MessageLoop::TaskObserver overrides.
- void WillProcessTask(const base::PendingTask& pending_task) override {}
- void DidProcessTask(const base::PendingTask& pending_task) override {
- processed_ = true;
- }
-
- // Returns true if any task was processed.
- bool processed() const { return processed_; }
-
- private:
- bool processed_;
- DISALLOW_COPY_AND_ASSIGN(TaskObserver);
-};
-
-void RunAllBlockingPoolTasksUntilIdle(base::SequencedWorkerPool* pool) {
- while (true) {
- pool->FlushForTesting();
-
- TaskObserver task_observer;
- base::MessageLoop::current()->AddTaskObserver(&task_observer);
- base::RunLoop().RunUntilIdle();
- base::MessageLoop::current()->RemoveTaskObserver(&task_observer);
-
- if (!task_observer.processed())
- break;
- }
-}
-
-} // namespace
-
-class WallpaperControllerTest : public test::AshTestBase {
- public:
- WallpaperControllerTest()
- : controller_(nullptr), wallpaper_delegate_(nullptr) {}
- ~WallpaperControllerTest() 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 =
- WmShell::Get()->GetPrimaryRootWindow()->GetRootWindowController();
- root_window_controller->SetWallpaperWidgetController(nullptr);
- root_window_controller->SetAnimatingWallpaperWidgetController(nullptr);
- controller_ = WmShell::Get()->wallpaper_controller();
- wallpaper_delegate_ = static_cast<test::TestWallpaperDelegate*>(
- WmShell::Get()->wallpaper_delegate());
- controller_->set_wallpaper_reload_delay_for_test(0);
- }
-
- WallpaperView* wallpaper_view() {
- WallpaperWidgetController* controller =
- WmShell::Get()
- ->GetPrimaryRootWindow()
- ->GetRootWindowController()
- ->animating_wallpaper_widget_controller()
- ->GetController(false);
- EXPECT_TRUE(controller);
- return static_cast<WallpaperView*>(
- controller->widget()->GetContentsView()->child_at(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;
- }
-
- // Helper function that tests the wallpaper is always fitted to the native
- // display resolution when the layout is WALLPAPER_LAYOUT_CENTER.
- void WallpaperFitToNativeResolution(WallpaperView* view,
- float device_scale_factor,
- int image_width,
- int image_height,
- SkColor color) {
- gfx::Size size = view->bounds().size();
- gfx::Canvas canvas(size, device_scale_factor, true);
- view->OnPaint(&canvas);
-
- int canvas_width = canvas.sk_canvas()->imageInfo().width();
- int canvas_height = canvas.sk_canvas()->imageInfo().height();
- SkBitmap bitmap;
- bitmap.allocN32Pixels(canvas_width, canvas_height);
- canvas.sk_canvas()->readPixels(&bitmap, 0, 0);
-
- for (int i = 0; i < canvas_width; i++) {
- for (int j = 0; j < canvas_height; j++) {
- if (i >= (canvas_width - image_width) / 2 &&
- i < (canvas_width + image_width) / 2 &&
- j >= (canvas_height - image_height) / 2 &&
- j < (canvas_height + image_height) / 2) {
- EXPECT_EQ(color, bitmap.getColor(i, j));
- } else {
- EXPECT_EQ(SK_ColorBLACK, bitmap.getColor(i, j));
- }
- }
- }
- }
-
- // Runs AnimatingWallpaperWidgetController's animation to completion.
- // TODO(bshe): Don't require tests to run animations; it's slow.
- void RunDesktopControllerAnimation() {
- WallpaperWidgetController* controller =
- WmShell::Get()
- ->GetPrimaryRootWindow()
- ->GetRootWindowController()
- ->animating_wallpaper_widget_controller()
- ->GetController(false);
- EXPECT_TRUE(controller);
- ASSERT_NO_FATAL_FAILURE(RunAnimationForWidget(controller->widget()));
- }
-
- WallpaperController* controller_; // Not owned.
-
- test::TestWallpaperDelegate* wallpaper_delegate_;
-
- private:
- DISALLOW_COPY_AND_ASSIGN(WallpaperControllerTest);
-};
-
-TEST_F(WallpaperControllerTest, BasicReparenting) {
- WallpaperController* controller = WmShell::Get()->wallpaper_controller();
- controller->CreateEmptyWallpaper();
-
- // Wallpaper view/window exists in the wallpaper container and nothing is in
- // the lock screen wallpaper container.
- EXPECT_EQ(1, ChildCountForContainer(kWallpaperId));
- EXPECT_EQ(0, ChildCountForContainer(kLockScreenWallpaperId));
-
- // Moving wallpaper to lock container should succeed the first time but
- // subsequent calls should do nothing.
- EXPECT_TRUE(controller->MoveToLockedContainer());
- EXPECT_FALSE(controller->MoveToLockedContainer());
-
- // One window is moved from desktop to lock container.
- EXPECT_EQ(0, ChildCountForContainer(kWallpaperId));
- EXPECT_EQ(1, ChildCountForContainer(kLockScreenWallpaperId));
-
- // Moving wallpaper to desktop container should succeed the first time.
- EXPECT_TRUE(controller->MoveToUnlockedContainer());
- EXPECT_FALSE(controller->MoveToUnlockedContainer());
-
- // One window is moved from lock to desktop container.
- EXPECT_EQ(1, ChildCountForContainer(kWallpaperId));
- EXPECT_EQ(0, ChildCountForContainer(kLockScreenWallpaperId));
-}
-
-TEST_F(WallpaperControllerTest, ControllerOwnership) {
- // We cannot short-circuit animations for this test.
- ui::ScopedAnimationDurationScaleMode test_duration_mode(
- ui::ScopedAnimationDurationScaleMode::NON_ZERO_DURATION);
-
- // Create the wallpaper and its view.
- WallpaperController* controller = WmShell::Get()->wallpaper_controller();
- controller->CreateEmptyWallpaper();
-
- // The new wallpaper is ready to animate.
- RootWindowController* root_window_controller =
- WmShell::Get()->GetPrimaryRootWindow()->GetRootWindowController();
- EXPECT_TRUE(root_window_controller->animating_wallpaper_widget_controller()
- ->GetController(false));
- EXPECT_FALSE(root_window_controller->wallpaper_widget_controller());
-
- // Force the animation to play to completion.
- RunDesktopControllerAnimation();
- EXPECT_FALSE(root_window_controller->animating_wallpaper_widget_controller()
- ->GetController(false));
- EXPECT_TRUE(root_window_controller->wallpaper_widget_controller());
-}
-
-// Test for crbug.com/149043 "Unlock screen, no launcher appears". Ensure we
-// move all wallpaper views if there are more than one.
-TEST_F(WallpaperControllerTest, WallpaperMovementDuringUnlock) {
- // We cannot short-circuit animations for this test.
- ui::ScopedAnimationDurationScaleMode test_duration_mode(
- ui::ScopedAnimationDurationScaleMode::NON_ZERO_DURATION);
-
- // Reset wallpaper state, see ControllerOwnership above.
- WallpaperController* controller = WmShell::Get()->wallpaper_controller();
- controller->CreateEmptyWallpaper();
-
- // Run wallpaper show animation to completion.
- RunDesktopControllerAnimation();
-
- // User locks the screen, which moves the wallpaper forward.
- controller->MoveToLockedContainer();
-
- // Suspend/resume cycle causes wallpaper to refresh, loading a new wallpaper
- // that will animate in on top of the old one.
- controller->CreateEmptyWallpaper();
-
- // In this state we have two wallpaper views stored in different properties.
- // Both are in the lock screen wallpaper container.
- RootWindowController* root_window_controller =
- WmShell::Get()->GetPrimaryRootWindow()->GetRootWindowController();
- EXPECT_TRUE(root_window_controller->animating_wallpaper_widget_controller()
- ->GetController(false));
- EXPECT_TRUE(root_window_controller->wallpaper_widget_controller());
- EXPECT_EQ(0, ChildCountForContainer(kWallpaperId));
- EXPECT_EQ(2, ChildCountForContainer(kLockScreenWallpaperId));
-
- // Before the wallpaper's animation completes, user unlocks the screen, which
- // moves the wallpaper to the back.
- controller->MoveToUnlockedContainer();
-
- // Ensure both wallpapers have moved.
- EXPECT_EQ(2, ChildCountForContainer(kWallpaperId));
- EXPECT_EQ(0, ChildCountForContainer(kLockScreenWallpaperId));
-
- // Finish the new wallpaper animation.
- RunDesktopControllerAnimation();
-
- // Now there is one wallpaper, in the back.
- EXPECT_EQ(1, ChildCountForContainer(kWallpaperId));
- EXPECT_EQ(0, ChildCountForContainer(kLockScreenWallpaperId));
-}
-
-// Test for crbug.com/156542. Animating wallpaper should immediately finish
-// animation and replace current wallpaper before next animation starts.
-TEST_F(WallpaperControllerTest, 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.
- WallpaperController* controller = WmShell::Get()->wallpaper_controller();
- controller->CreateEmptyWallpaper();
-
- // Run wallpaper show animation to completion.
- RunDesktopControllerAnimation();
-
- // Change to a new wallpaper.
- controller->CreateEmptyWallpaper();
-
- RootWindowController* root_window_controller =
- WmShell::Get()->GetPrimaryRootWindow()->GetRootWindowController();
- WallpaperWidgetController* animating_controller =
- root_window_controller->animating_wallpaper_widget_controller()
- ->GetController(false);
- EXPECT_TRUE(animating_controller);
- EXPECT_TRUE(root_window_controller->wallpaper_widget_controller());
-
- // Change to another wallpaper before animation finished.
- controller->CreateEmptyWallpaper();
-
- // The animating controller should immediately move to wallpaper controller.
- EXPECT_EQ(animating_controller,
- root_window_controller->wallpaper_widget_controller());
-
- // Cache the new animating controller.
- animating_controller =
- root_window_controller->animating_wallpaper_widget_controller()
- ->GetController(false);
-
- // Run wallpaper show animation to completion.
- ASSERT_NO_FATAL_FAILURE(RunAnimationForWidget(
- root_window_controller->animating_wallpaper_widget_controller()
- ->GetController(false)
- ->widget()));
-
- EXPECT_TRUE(root_window_controller->wallpaper_widget_controller());
- EXPECT_FALSE(root_window_controller->animating_wallpaper_widget_controller()
- ->GetController(false));
- // The wallpaper controller should be the last created animating controller.
- EXPECT_EQ(animating_controller,
- root_window_controller->wallpaper_widget_controller());
-}
-
-TEST_F(WallpaperControllerTest, ResizeCustomWallpaper) {
- 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()));
- RunAllBlockingPoolTasksUntilIdle(WmShell::Get()->blocking_pool().get());
- 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);
- RunAllBlockingPoolTasksUntilIdle(WmShell::Get()->blocking_pool().get());
- EXPECT_TRUE(resized_image.BackedBySameObjectAs(controller_->GetWallpaper()));
-}
-
-TEST_F(WallpaperControllerTest, GetMaxDisplaySize) {
- // Device scale factor shouldn't affect the native size.
- UpdateDisplay("1000x300*2");
- EXPECT_EQ("1000x300",
- WallpaperController::GetMaxDisplaySizeInNative().ToString());
-
- // TODO: mash doesn't support rotation yet, http://crbug.com/695556.
- if (!WmShell::Get()->IsRunningInMash()) {
- // Rotated display should return the rotated size.
- UpdateDisplay("1000x300*2/r");
- EXPECT_EQ("300x1000",
- WallpaperController::GetMaxDisplaySizeInNative().ToString());
- }
-
- // UI Scaling shouldn't affect the native size.
- UpdateDisplay("1000x300*2@1.5");
- EXPECT_EQ("1000x300",
- WallpaperController::GetMaxDisplaySizeInNative().ToString());
-
- // First display has maximum size.
- UpdateDisplay("400x300,100x100");
- EXPECT_EQ("400x300",
- WallpaperController::GetMaxDisplaySizeInNative().ToString());
-
- // Second display has maximum size.
- UpdateDisplay("400x300,500x600");
- EXPECT_EQ("500x600",
- WallpaperController::GetMaxDisplaySizeInNative().ToString());
-
- // Maximum width and height belongs to different displays.
- UpdateDisplay("400x300,100x500");
- EXPECT_EQ("400x500",
- WallpaperController::GetMaxDisplaySizeInNative().ToString());
-}
-
-// Test that the wallpaper is always fitted to the native display resolution
-// when the layout is WALLPAPER_LAYOUT_CENTER to prevent blurry images.
-TEST_F(WallpaperControllerTest, DontScaleWallpaperWithCenterLayout) {
- // We cannot short-circuit animations for this test.
- ui::ScopedAnimationDurationScaleMode test_duration_mode(
- ui::ScopedAnimationDurationScaleMode::NON_ZERO_DURATION);
-
- const gfx::Size high_resolution(3600, 2400);
- const gfx::Size low_resolution(360, 240);
- const float high_dsf = 2.0f;
- const float low_dsf = 1.0f;
-
- gfx::ImageSkia image_high_res = CreateImage(
- high_resolution.width(), high_resolution.height(), kCustomWallpaperColor);
- gfx::ImageSkia image_low_res = CreateImage(
- low_resolution.width(), low_resolution.height(), kCustomWallpaperColor);
-
- UpdateDisplay("1200x600*2");
- {
- SCOPED_TRACE(base::StringPrintf("1200x600*2 high resolution"));
- controller_->SetWallpaperImage(image_high_res, WALLPAPER_LAYOUT_CENTER);
- WallpaperFitToNativeResolution(
- wallpaper_view(), high_dsf, high_resolution.width(),
- high_resolution.height(), kCustomWallpaperColor);
- }
- {
- SCOPED_TRACE(base::StringPrintf("1200x600*2 low resolution"));
- controller_->SetWallpaperImage(image_low_res, WALLPAPER_LAYOUT_CENTER);
- WallpaperFitToNativeResolution(
- wallpaper_view(), high_dsf, low_resolution.width(),
- low_resolution.height(), kCustomWallpaperColor);
- }
-
- UpdateDisplay("1200x600");
- {
- SCOPED_TRACE(base::StringPrintf("1200x600 high resolution"));
- controller_->SetWallpaperImage(image_high_res, WALLPAPER_LAYOUT_CENTER);
- WallpaperFitToNativeResolution(
- wallpaper_view(), low_dsf, high_resolution.width(),
- high_resolution.height(), kCustomWallpaperColor);
- }
- {
- SCOPED_TRACE(base::StringPrintf("1200x600 low resolution"));
- controller_->SetWallpaperImage(image_low_res, WALLPAPER_LAYOUT_CENTER);
- WallpaperFitToNativeResolution(
- wallpaper_view(), low_dsf, low_resolution.width(),
- low_resolution.height(), kCustomWallpaperColor);
- }
-
- UpdateDisplay("1200x600/u@1.5"); // 1.5 ui scale
- {
- SCOPED_TRACE(base::StringPrintf("1200x600/u@1.5 high resolution"));
- controller_->SetWallpaperImage(image_high_res, WALLPAPER_LAYOUT_CENTER);
- WallpaperFitToNativeResolution(
- wallpaper_view(), low_dsf, high_resolution.width(),
- high_resolution.height(), kCustomWallpaperColor);
- }
- {
- SCOPED_TRACE(base::StringPrintf("1200x600/u@1.5 low resolution"));
- controller_->SetWallpaperImage(image_low_res, WALLPAPER_LAYOUT_CENTER);
- WallpaperFitToNativeResolution(
- wallpaper_view(), low_dsf, low_resolution.width(),
- low_resolution.height(), kCustomWallpaperColor);
- }
-}
-
-} // namespace ash
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