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window_occlusion_tracker_unittest.cc
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window_occlusion_tracker_unittest.cc
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// Copyright 2017 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/window_occlusion_tracker.h"
#include "base/bind_helpers.h"
#include "base/macros.h"
#include "base/run_loop.h"
#include "base/test/bind_test_util.h"
#include "base/test/gtest_util.h"
#include "base/test/scoped_feature_list.h"
#include "build/build_config.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/aura/env.h"
#include "ui/aura/test/aura_test_base.h"
#include "ui/aura/test/test_window_delegate.h"
#include "ui/aura/test/test_windows.h"
#include "ui/aura/test/window_occlusion_tracker_test_api.h"
#include "ui/aura/window_observer.h"
#include "ui/base/ui_base_features.h"
#include "ui/compositor/layer_animation_observer.h"
#include "ui/compositor/layer_animation_sequence.h"
#include "ui/compositor/layer_animator.h"
#include "ui/compositor/scoped_animation_duration_scale_mode.h"
#include "ui/compositor/scoped_layer_animation_settings.h"
#include "ui/compositor/test/layer_animator_test_controller.h"
#include "ui/gfx/interpolated_transform.h"
namespace aura {
namespace {
constexpr base::TimeDelta kTransitionDuration = base::TimeDelta::FromSeconds(3);
class MockWindowDelegate : public test::ColorTestWindowDelegate {
public:
MockWindowDelegate() : test::ColorTestWindowDelegate(SK_ColorWHITE) {}
~MockWindowDelegate() override { EXPECT_FALSE(is_expecting_call()); }
void set_window(Window* window) { window_ = window; }
void SetName(const std::string& name) { window_->SetName(name); }
void set_expectation(Window::OcclusionState occlusion_state,
SkRegion occluded_region = SkRegion()) {
expected_occlusion_state_ = occlusion_state;
expected_occluded_region_ = occluded_region;
}
bool is_expecting_call() const {
return expected_occlusion_state_ != Window::OcclusionState::UNKNOWN;
}
void OnWindowOcclusionChanged(Window::OcclusionState occlusion_state,
const SkRegion& occluded_region) override {
SCOPED_TRACE(window_->GetName());
ASSERT_TRUE(window_);
EXPECT_NE(occlusion_state, Window::OcclusionState::UNKNOWN);
EXPECT_EQ(occlusion_state, expected_occlusion_state_);
EXPECT_EQ(occluded_region, expected_occluded_region_);
expected_occlusion_state_ = Window::OcclusionState::UNKNOWN;
expected_occluded_region_ = SkRegion();
}
private:
Window::OcclusionState expected_occlusion_state_ =
Window::OcclusionState::UNKNOWN;
SkRegion expected_occluded_region_ = SkRegion();
Window* window_ = nullptr;
DISALLOW_COPY_AND_ASSIGN(MockWindowDelegate);
};
class WindowOcclusionTrackerTest : public test::AuraTestBase {
public:
WindowOcclusionTrackerTest() = default;
#if defined(OS_WIN)
void SetUp() override {
// Native Window Occlusion calculation runs in the background and can
// interfere with the expectations of these tests, so, disable it.
scoped_feature_list_.InitWithFeatures(
/*enabled_features=*/{},
/*disabled_features=*/{features::kCalculateNativeWinOcclusion});
AuraTestBase::SetUp();
}
#endif
Window* CreateTrackedWindow(MockWindowDelegate* delegate,
const gfx::Rect& bounds,
Window* parent = nullptr,
bool transparent = false) {
Window* window = new Window(delegate);
delegate->set_window(window);
window->SetType(client::WINDOW_TYPE_NORMAL);
window->Init(ui::LAYER_TEXTURED);
window->SetTransparent(transparent);
window->SetBounds(bounds);
window->Show();
parent = parent ? parent : root_window();
parent->AddChild(window);
window->TrackOcclusionState();
return window;
}
Window* CreateUntrackedWindow(const gfx::Rect& bounds,
Window* parent = nullptr) {
Window* window = test::CreateTestWindow(SK_ColorWHITE, 1, bounds,
parent ? parent : root_window());
return window;
}
WindowOcclusionTracker& GetOcclusionTracker() {
return *Env::GetInstance()->GetWindowOcclusionTracker();
}
private:
base::test::ScopedFeatureList scoped_feature_list_;
DISALLOW_COPY_AND_ASSIGN(WindowOcclusionTrackerTest);
};
SkRegion SkRegionFromSkIRects(std::initializer_list<SkIRect> rects) {
SkRegion r;
r.setRects(rects.begin(), rects.size());
return r;
}
} // namespace
// Verify that non-overlapping windows have a VISIBLE occlusion state.
// _____ _____
// | | | |
// |____| |____|
TEST_F(WindowOcclusionTrackerTest, NonOverlappingWindows) {
MockWindowDelegate* delegate_a = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_a, gfx::Rect(0, 0, 10, 10));
EXPECT_FALSE(delegate_a->is_expecting_call());
MockWindowDelegate* delegate_b = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE,
SkRegion(SkIRect::MakeXYWH(15, 0, 10, 10)));
delegate_b->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_b, gfx::Rect(15, 0, 10, 10));
EXPECT_FALSE(delegate_a->is_expecting_call());
EXPECT_FALSE(delegate_b->is_expecting_call());
}
// Verify that partially overlapping windows have a VISIBLE occlusion state.
// ______
// |__| |
// |_____|
TEST_F(WindowOcclusionTrackerTest, PartiallyOverlappingWindow) {
MockWindowDelegate* delegate_a = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_a, gfx::Rect(0, 0, 10, 10));
EXPECT_FALSE(delegate_a->is_expecting_call());
MockWindowDelegate* delegate_b = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE,
SkRegion(SkIRect::MakeWH(5, 5)));
delegate_b->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_b, gfx::Rect(0, 0, 5, 5));
EXPECT_FALSE(delegate_a->is_expecting_call());
EXPECT_FALSE(delegate_b->is_expecting_call());
}
// Verify that a window whose bounds are covered by a hidden window is not
// occluded. Also, verify that calling Show() on the hidden window causes
// occlusion states to be recomputed.
// __.... ... = hidden window
// |__| .
// .......
TEST_F(WindowOcclusionTrackerTest, HiddenWindowCoversWindow) {
// Create window a. Expect it to be non-occluded.
MockWindowDelegate* delegate_a = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_a, gfx::Rect(0, 0, 10, 10));
EXPECT_FALSE(delegate_a->is_expecting_call());
// Create window b. Expect it to be non-occluded and expect window a to be
// occluded.
MockWindowDelegate* delegate_b = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
delegate_b->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
Window* window_b = CreateTrackedWindow(delegate_b, gfx::Rect(0, 0, 15, 15));
EXPECT_FALSE(delegate_a->is_expecting_call());
EXPECT_FALSE(delegate_b->is_expecting_call());
// Hide window b. Expect window a to be non-occluded and window b to be
// occluded.
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
delegate_b->set_expectation(Window::OcclusionState::HIDDEN, SkRegion());
window_b->Hide();
EXPECT_FALSE(delegate_a->is_expecting_call());
EXPECT_FALSE(delegate_b->is_expecting_call());
// Show window b. Expect window a to be occluded and window b to be non-
// occluded.
delegate_a->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
delegate_b->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
window_b->Show();
EXPECT_FALSE(delegate_a->is_expecting_call());
EXPECT_FALSE(delegate_b->is_expecting_call());
}
// Verify that a window whose bounds are covered by a semi-transparent window is
// not occluded. Also, verify that that when the opacity of a window changes,
// occlusion states are updated.
// __.... ... = semi-transparent window
// |__| .
// .......
TEST_F(WindowOcclusionTrackerTest, SemiTransparentWindowCoversWindow) {
// Create window a. Expect it to be non-occluded.
MockWindowDelegate* delegate_a = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_a, gfx::Rect(0, 0, 10, 10));
EXPECT_FALSE(delegate_a->is_expecting_call());
// Create window b. Expect it to be non-occluded and expect window a to be
// occluded.
MockWindowDelegate* delegate_b = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
delegate_b->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
Window* window_b = CreateTrackedWindow(delegate_b, gfx::Rect(0, 0, 15, 15));
EXPECT_FALSE(delegate_a->is_expecting_call());
EXPECT_FALSE(delegate_b->is_expecting_call());
// Change the opacity of window b to 0.5f. Expect both windows to be non-
// occluded.
EXPECT_FALSE(delegate_a->is_expecting_call());
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
window_b->layer()->SetOpacity(0.5f);
EXPECT_FALSE(delegate_a->is_expecting_call());
// Change the opacity of window b back to 1.0f. Expect window a to be
// occluded.
delegate_a->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
window_b->layer()->SetOpacity(1.0f);
EXPECT_FALSE(delegate_a->is_expecting_call());
}
// Same as previous test, but the occlusion state of the semi-transparent is not
// tracked.
TEST_F(WindowOcclusionTrackerTest, SemiTransparentUntrackedWindowCoversWindow) {
// Create window a. Expect it to be non-occluded.
MockWindowDelegate* delegate_a = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_a, gfx::Rect(0, 0, 10, 10));
EXPECT_FALSE(delegate_a->is_expecting_call());
// Create untracked window b. Expect window a to be occluded.
delegate_a->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
Window* window_b = CreateUntrackedWindow(gfx::Rect(0, 0, 15, 15));
EXPECT_FALSE(delegate_a->is_expecting_call());
// Change the opacity of window b to 0.5f. Expect both windows to be non-
// occluded.
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
window_b->layer()->SetOpacity(0.5f);
EXPECT_FALSE(delegate_a->is_expecting_call());
// Change the opacity of window b back to 1.0f. Expect window a to be
// occluded.
delegate_a->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
window_b->layer()->SetOpacity(1.0f);
EXPECT_FALSE(delegate_a->is_expecting_call());
}
// Verify that one window whose bounds are covered by a set of two opaque
// windows is occluded.
// ______
// | | | <-- these two windows cover another window
// |__|__|
TEST_F(WindowOcclusionTrackerTest, TwoWindowsOccludeOneWindow) {
// Create window a. Expect it to be non-occluded.
MockWindowDelegate* delegate_a = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_a, gfx::Rect(0, 0, 10, 10));
EXPECT_FALSE(delegate_a->is_expecting_call());
// Create window b with bounds that partially cover window a. Expect both
// windows to be non-occluded.
MockWindowDelegate* delegate_b = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE,
SkRegion(SkIRect::MakeWH(5, 10)));
delegate_b->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_b, gfx::Rect(0, 0, 5, 10));
EXPECT_FALSE(delegate_a->is_expecting_call());
EXPECT_FALSE(delegate_b->is_expecting_call());
// Create window c with bounds that cover the portion of window a that isn't
// already covered by window b. Expect window a to be occluded and window a/b
// to be non-occluded.
MockWindowDelegate* delegate_c = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
delegate_b->set_expectation(Window::OcclusionState::VISIBLE,
SkRegion(SkIRect::MakeXYWH(5, 0, 5, 10)));
delegate_c->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_c, gfx::Rect(5, 0, 5, 10));
EXPECT_FALSE(delegate_a->is_expecting_call());
EXPECT_FALSE(delegate_b->is_expecting_call());
EXPECT_FALSE(delegate_c->is_expecting_call());
}
// Verify that a window and its child that are covered by a sibling are
// occluded.
TEST_F(WindowOcclusionTrackerTest, SiblingOccludesWindowAndChild) {
// Create window a. Expect it to be non-occluded.
MockWindowDelegate* delegate_a = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
Window* window_a = CreateTrackedWindow(delegate_a, gfx::Rect(0, 0, 20, 20));
EXPECT_FALSE(delegate_a->is_expecting_call());
// Create window b, with bounds that occlude half of its parent window a.
// Expect it to be non-occluded.
MockWindowDelegate* delegate_b = new MockWindowDelegate();
delegate_b->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_b, gfx::Rect(0, 0, 10, 20), window_a);
EXPECT_FALSE(delegate_b->is_expecting_call());
// Create window c, with bounds that occlude window a and window b. Expect it
// to be non-occluded, and window a and b to be occluded.
MockWindowDelegate* delegate_c = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
delegate_b->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
delegate_c->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_c, gfx::Rect(0, 0, 20, 20));
EXPECT_FALSE(delegate_a->is_expecting_call());
EXPECT_FALSE(delegate_b->is_expecting_call());
EXPECT_FALSE(delegate_c->is_expecting_call());
}
// Verify that a window with one half covered by a child and the other half
// covered by a sibling is non-occluded.
TEST_F(WindowOcclusionTrackerTest, ChildAndSiblingOccludeOneWindow) {
// Create window a. Expect it to be non-occluded.
MockWindowDelegate* delegate_a = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
Window* window_a = CreateTrackedWindow(delegate_a, gfx::Rect(0, 0, 20, 20));
EXPECT_FALSE(delegate_a->is_expecting_call());
// Create window b, with bounds that occlude half of its parent window a.
// Expect it to be non-occluded.
MockWindowDelegate* delegate_b = new MockWindowDelegate();
delegate_b->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_b, gfx::Rect(0, 0, 10, 20), window_a);
EXPECT_FALSE(delegate_b->is_expecting_call());
// Create window c, with bounds that occlude the other half of window a.
// Expect it to be non-occluded and expect window a to remain non-occluded.
MockWindowDelegate* delegate_c = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE,
SkRegion(SkIRect::MakeXYWH(10, 0, 10, 20)));
delegate_b->set_expectation(Window::OcclusionState::VISIBLE,
SkRegion(SkIRect::MakeXYWH(10, 0, 10, 20)));
delegate_c->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_c, gfx::Rect(10, 0, 10, 20));
EXPECT_FALSE(delegate_a->is_expecting_call());
EXPECT_FALSE(delegate_b->is_expecting_call());
EXPECT_FALSE(delegate_c->is_expecting_call());
}
// Verify that a window covered by 2 non-occluded children is non-occluded.
TEST_F(WindowOcclusionTrackerTest, ChildrenOccludeOneWindow) {
// Create window a. Expect it to be non-occluded.
MockWindowDelegate* delegate_a = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
Window* window_a = CreateTrackedWindow(delegate_a, gfx::Rect(0, 0, 20, 20));
EXPECT_FALSE(delegate_a->is_expecting_call());
// Create window b, with bounds that cover half of its parent window a. Expect
// it to be non-occluded.
MockWindowDelegate* delegate_b = new MockWindowDelegate();
delegate_b->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_b, gfx::Rect(0, 0, 10, 20), window_a);
EXPECT_FALSE(delegate_a->is_expecting_call());
// Create window c, with bounds that cover the other half of its parent window
// a. Expect it to be non-occluded. Expect window a to remain non-occluded.
MockWindowDelegate* delegate_c = new MockWindowDelegate();
delegate_b->set_expectation(Window::OcclusionState::VISIBLE,
SkRegion(SkIRect::MakeXYWH(10, 0, 10, 20)));
delegate_c->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_c, gfx::Rect(10, 0, 10, 20), window_a);
EXPECT_FALSE(delegate_a->is_expecting_call());
EXPECT_FALSE(delegate_b->is_expecting_call());
EXPECT_FALSE(delegate_c->is_expecting_call());
}
// Verify that when the bounds of a child window covers the bounds of a parent
// window but is itself visible, the parent window is visible.
TEST_F(WindowOcclusionTrackerTest, ChildDoesNotOccludeParent) {
// Create window a. Expect it to be non-occluded.
MockWindowDelegate* delegate_a = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
Window* window_a = CreateTrackedWindow(delegate_a, gfx::Rect(0, 0, 10, 10));
EXPECT_FALSE(delegate_a->is_expecting_call());
// Create window b with window a as parent. The bounds of window b fully cover
// window a. Expect both windows to be non-occluded.
MockWindowDelegate* delegate_b = new MockWindowDelegate();
delegate_b->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
Window* window_b =
CreateTrackedWindow(delegate_b, gfx::Rect(0, 0, 10, 10), window_a);
EXPECT_FALSE(delegate_b->is_expecting_call());
// Create window c whose bounds don't overlap existing windows.
MockWindowDelegate* delegate_c = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE,
SkRegion(SkIRect::MakeXYWH(15, 0, 10, 10)));
delegate_b->set_expectation(Window::OcclusionState::VISIBLE,
SkRegion(SkIRect::MakeXYWH(15, 0, 10, 10)));
delegate_c->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
Window* window_c = CreateTrackedWindow(delegate_c, gfx::Rect(15, 0, 10, 10));
EXPECT_FALSE(delegate_a->is_expecting_call());
EXPECT_FALSE(delegate_b->is_expecting_call());
EXPECT_FALSE(delegate_c->is_expecting_call());
// Change the parent of window b from window a to window c. Expect all windows
// to remain non-occluded.
delegate_b->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
window_c->AddChild(window_b);
EXPECT_FALSE(delegate_b->is_expecting_call());
}
// Verify that when the stacking order of windows change, occlusion states are
// updated.
TEST_F(WindowOcclusionTrackerTest, StackingChanged) {
// Create three windows that have the same bounds. Expect window on top of the
// stack to be non-occluded and other windows to be occluded.
MockWindowDelegate* delegate_a = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
Window* window_a = CreateTrackedWindow(delegate_a, gfx::Rect(0, 0, 10, 10));
EXPECT_FALSE(delegate_a->is_expecting_call());
MockWindowDelegate* delegate_b = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
delegate_b->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_b, gfx::Rect(0, 0, 10, 10));
EXPECT_FALSE(delegate_a->is_expecting_call());
EXPECT_FALSE(delegate_b->is_expecting_call());
MockWindowDelegate* delegate_c = new MockWindowDelegate();
delegate_b->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
delegate_c->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_c, gfx::Rect(0, 0, 10, 10));
EXPECT_FALSE(delegate_b->is_expecting_call());
EXPECT_FALSE(delegate_c->is_expecting_call());
// Move window a on top of the stack. Expect it to be non-occluded and expect
// window c to be occluded.
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
delegate_c->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
root_window()->StackChildAtTop(window_a);
EXPECT_FALSE(delegate_a->is_expecting_call());
EXPECT_FALSE(delegate_c->is_expecting_call());
}
// Verify that when the stacking order of two transparent window changes, the
// occlusion states of their children is updated. The goal of this test is to
// ensure that the fact that the windows whose stacking order change are
// transparent doesn't prevent occlusion states from being recomputed.
TEST_F(WindowOcclusionTrackerTest, TransparentParentStackingChanged) {
// Create window a which is transparent. Expect it to be non-occluded.
MockWindowDelegate* delegate_a = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
Window* window_a = CreateTrackedWindow(delegate_a, gfx::Rect(0, 0, 10, 10),
root_window(), true);
EXPECT_FALSE(delegate_a->is_expecting_call());
// Create window b which has the same bounds as its parent window a. Expect it
// to be non-occluded.
MockWindowDelegate* delegate_b = new MockWindowDelegate();
delegate_b->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_b, gfx::Rect(0, 0, 10, 10), window_a);
EXPECT_FALSE(delegate_b->is_expecting_call());
// Create window c which is transparent and has the same bounds as window a
// and window b. Expect it to be non-occluded.
MockWindowDelegate* delegate_c = new MockWindowDelegate();
delegate_c->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
Window* window_c = CreateTrackedWindow(delegate_c, gfx::Rect(0, 0, 10, 10),
root_window(), true);
EXPECT_FALSE(delegate_c->is_expecting_call());
// Create window d which has the same bounds as its parent window c. Expect
// window d to be non-occluded and window a and b to be occluded.
MockWindowDelegate* delegate_d = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
delegate_b->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
delegate_d->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_d, gfx::Rect(0, 0, 10, 10), window_c);
EXPECT_FALSE(delegate_a->is_expecting_call());
EXPECT_FALSE(delegate_b->is_expecting_call());
EXPECT_FALSE(delegate_d->is_expecting_call());
// Move window a on top of the stack. Expect window a and b to be non-occluded
// and window c and d to be occluded.
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
delegate_b->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
delegate_c->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
delegate_d->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
root_window()->StackChildAtTop(window_a);
EXPECT_FALSE(delegate_a->is_expecting_call());
EXPECT_FALSE(delegate_b->is_expecting_call());
EXPECT_FALSE(delegate_c->is_expecting_call());
EXPECT_FALSE(delegate_d->is_expecting_call());
}
// Verify that when StackChildAtTop() is called on a window whose occlusion
// state is not tracked, the occlusion state of tracked siblings is updated.
TEST_F(WindowOcclusionTrackerTest, UntrackedWindowStackingChanged) {
Window* window_a = CreateUntrackedWindow(gfx::Rect(0, 0, 5, 5));
// Create window b. Expect it to be non-occluded.
MockWindowDelegate* delegate_b = new MockWindowDelegate();
delegate_b->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_b, gfx::Rect(0, 0, 5, 5));
EXPECT_FALSE(delegate_b->is_expecting_call());
// Stack window a on top of window b. Expect window b to be occluded.
delegate_b->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
root_window()->StackChildAtTop(window_a);
EXPECT_FALSE(delegate_b->is_expecting_call());
}
// Verify that occlusion states are updated when the bounds of a window change.
TEST_F(WindowOcclusionTrackerTest, BoundsChanged) {
// Create two non-overlapping windows. Expect them to be non-occluded.
MockWindowDelegate* delegate_a = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
Window* window_a = CreateTrackedWindow(delegate_a, gfx::Rect(0, 0, 10, 10));
EXPECT_FALSE(delegate_a->is_expecting_call());
MockWindowDelegate* delegate_b = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE,
SkRegion(SkIRect::MakeXYWH(0, 10, 10, 10)));
delegate_b->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
Window* window_b = CreateTrackedWindow(delegate_b, gfx::Rect(0, 10, 10, 10));
EXPECT_FALSE(delegate_a->is_expecting_call());
EXPECT_FALSE(delegate_b->is_expecting_call());
// Move window b on top of window a. Expect window a to be occluded.
delegate_a->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
window_b->SetBounds(window_a->bounds());
EXPECT_FALSE(delegate_a->is_expecting_call());
}
// Verify that when the bounds of a window are animated, occlusion states are
// updated at the beginning and at the end of the animation, but not during the
// animation. At the beginning of the animation, the window animated window
// should be considered non-occluded and should not occlude other windows. The
// animated window starts occluded.
TEST_F(WindowOcclusionTrackerTest, OccludedWindowBoundsAnimated) {
ui::ScopedAnimationDurationScaleMode scoped_animation_duration_scale_mode(
ui::ScopedAnimationDurationScaleMode::NORMAL_DURATION);
ui::LayerAnimatorTestController test_controller(
ui::LayerAnimator::CreateImplicitAnimator());
ui::ScopedLayerAnimationSettings layer_animation_settings(
test_controller.animator());
layer_animation_settings.SetTransitionDuration(kTransitionDuration);
// Create 3 windows. Window a is unoccluded. Window c occludes window b.
MockWindowDelegate* delegate_a = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
Window* window_a = CreateTrackedWindow(delegate_a, gfx::Rect(0, 0, 10, 10));
EXPECT_FALSE(delegate_a->is_expecting_call());
MockWindowDelegate* delegate_b = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE,
SkRegion(SkIRect::MakeXYWH(0, 10, 10, 10)));
delegate_b->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
Window* window_b = CreateTrackedWindow(delegate_b, gfx::Rect(0, 10, 10, 10));
EXPECT_FALSE(delegate_a->is_expecting_call());
EXPECT_FALSE(delegate_b->is_expecting_call());
window_b->layer()->SetAnimator(test_controller.animator());
MockWindowDelegate* delegate_c = new MockWindowDelegate();
delegate_b->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
delegate_c->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_c, gfx::Rect(0, 10, 10, 10));
EXPECT_FALSE(delegate_b->is_expecting_call());
EXPECT_FALSE(delegate_c->is_expecting_call());
// Start animating the bounds of window b so that it moves on top of window a.
// Window b should be non-occluded when the animation starts.
delegate_b->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
window_b->SetBounds(window_a->bounds());
test_controller.Step(kTransitionDuration / 3);
EXPECT_FALSE(delegate_b->is_expecting_call());
// Window a should remain non-occluded during the animation.
test_controller.Step(kTransitionDuration / 3);
// Window b should occlude window a at the end of the animation.
delegate_a->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
// Window b should have window c in its potential occlusion region.
delegate_b->set_expectation(Window::OcclusionState::VISIBLE,
SkRegion(SkIRect::MakeXYWH(0, 10, 10, 10)));
test_controller.Step(kTransitionDuration / 3);
EXPECT_FALSE(delegate_a->is_expecting_call());
EXPECT_FALSE(delegate_b->is_expecting_call());
window_b->layer()->SetAnimator(nullptr);
}
// Same as the previous test, but the animated window starts non-occluded.
TEST_F(WindowOcclusionTrackerTest, NonOccludedWindowBoundsAnimated) {
ui::ScopedAnimationDurationScaleMode scoped_animation_duration_scale_mode(
ui::ScopedAnimationDurationScaleMode::NORMAL_DURATION);
ui::LayerAnimatorTestController test_controller(
ui::LayerAnimator::CreateImplicitAnimator());
ui::ScopedLayerAnimationSettings layer_animation_settings(
test_controller.animator());
layer_animation_settings.SetTransitionDuration(kTransitionDuration);
// Create 3 windows. Window a is unoccluded. Window c occludes window b.
MockWindowDelegate* delegate_a = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
Window* window_a = CreateTrackedWindow(delegate_a, gfx::Rect(0, 0, 10, 10));
EXPECT_FALSE(delegate_a->is_expecting_call());
MockWindowDelegate* delegate_b = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE,
SkRegion(SkIRect::MakeXYWH(0, 10, 10, 10)));
delegate_b->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_b, gfx::Rect(0, 10, 10, 10));
EXPECT_FALSE(delegate_a->is_expecting_call());
EXPECT_FALSE(delegate_b->is_expecting_call());
MockWindowDelegate* delegate_c = new MockWindowDelegate();
delegate_b->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
delegate_c->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
Window* window_c = CreateTrackedWindow(delegate_c, gfx::Rect(0, 10, 10, 10));
EXPECT_FALSE(delegate_b->is_expecting_call());
EXPECT_FALSE(delegate_c->is_expecting_call());
window_c->layer()->SetAnimator(test_controller.animator());
// Start animating the bounds of window c so that it moves on top of window a.
// Window b should be non-occluded when the animation starts.
delegate_b->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
window_c->SetBounds(window_a->bounds());
test_controller.Step(kTransitionDuration / 3);
EXPECT_FALSE(delegate_b->is_expecting_call());
// Window a should remain non-occluded during the animation.
test_controller.Step(kTransitionDuration / 3);
// Window c should occlude window a at the end of the animation.
// Window b should have a potentially occluded region including window c.
delegate_a->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
delegate_b->set_expectation(Window::OcclusionState::VISIBLE,
SkRegion(SkIRect::MakeXYWH(0, 0, 10, 10)));
test_controller.Step(kTransitionDuration / 3);
EXPECT_FALSE(delegate_a->is_expecting_call());
EXPECT_FALSE(delegate_b->is_expecting_call());
window_c->layer()->SetAnimator(nullptr);
}
// Verify that occlusion states are updated when the bounds of a transparent
// window with opaque children change.
TEST_F(WindowOcclusionTrackerTest, TransparentParentBoundsChanged) {
// Create window a. Expect it to be non-occluded.
MockWindowDelegate* delegate_a = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_a, gfx::Rect(0, 0, 5, 5));
EXPECT_FALSE(delegate_a->is_expecting_call());
// Create window b which doesn't overlap window a and is transparent. Expect
// it to be non-occluded.
MockWindowDelegate* delegate_b = new MockWindowDelegate();
delegate_b->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
Window* window_b = CreateTrackedWindow(delegate_b, gfx::Rect(0, 10, 10, 10),
root_window(), true);
EXPECT_FALSE(delegate_b->is_expecting_call());
// Create window c which has window b as parent and doesn't occlude any
// window.
MockWindowDelegate* delegate_c = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE,
SkRegion(SkIRect::MakeXYWH(0, 10, 5, 5)));
delegate_c->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_c, gfx::Rect(0, 0, 5, 5), window_b);
EXPECT_FALSE(delegate_a->is_expecting_call());
EXPECT_FALSE(delegate_c->is_expecting_call());
// Move window b so that window c occludes window a. Expect window a to be
// occluded and other windows to be non-occluded.
delegate_a->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
window_b->SetBounds(gfx::Rect(0, 0, 10, 10));
EXPECT_FALSE(delegate_a->is_expecting_call());
}
// Verify that occlusion states are updated when the bounds of a window whose
// occlusion state is not tracked change.
TEST_F(WindowOcclusionTrackerTest, UntrackedWindowBoundsChanged) {
// Create window a. Expect it to be non-occluded.
MockWindowDelegate* delegate_a = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
Window* window_a = CreateTrackedWindow(delegate_a, gfx::Rect(0, 0, 5, 5));
EXPECT_FALSE(delegate_a->is_expecting_call());
// Create window b. It should not occlude window a.
delegate_a->set_expectation(Window::OcclusionState::VISIBLE,
SkRegion(SkIRect::MakeXYWH(0, 10, 5, 5)));
Window* window_b = CreateUntrackedWindow(gfx::Rect(0, 10, 5, 5));
EXPECT_FALSE(delegate_a->is_expecting_call());
// Move window b on top of window a. Expect window a to be occluded.
delegate_a->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
window_b->SetBounds(window_a->bounds());
EXPECT_FALSE(delegate_a->is_expecting_call());
}
// Verify that occlusion states are updated when the transform of a window
// changes.
TEST_F(WindowOcclusionTrackerTest, TransformChanged) {
// Create two non-overlapping windows. Expect them to be non-occluded.
MockWindowDelegate* delegate_a = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_a, gfx::Rect(0, 0, 10, 10));
EXPECT_FALSE(delegate_a->is_expecting_call());
MockWindowDelegate* delegate_b = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE,
SkRegion(SkIRect::MakeXYWH(0, 10, 5, 5)));
delegate_b->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
Window* window_b = CreateTrackedWindow(delegate_b, gfx::Rect(0, 10, 5, 5));
EXPECT_FALSE(delegate_a->is_expecting_call());
EXPECT_FALSE(delegate_b->is_expecting_call());
// Scale and translate window b so that it covers window a. Expect window a to
// be occluded.
delegate_a->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
gfx::Transform transform;
transform.Translate(0.0f, -10.0f);
transform.Scale(2.0f, 2.0f);
window_b->SetTransform(transform);
EXPECT_FALSE(delegate_a->is_expecting_call());
}
// Verify that when the transform of a window is animated, occlusion states are
// updated at the beginning and at the end of the animation, but not during the
// animation. At the beginning of the animation, the window animated window
// should be considered non-occluded and should not occlude other windows. The
// animated window starts occluded.
TEST_F(WindowOcclusionTrackerTest, OccludedWindowTransformAnimated) {
ui::ScopedAnimationDurationScaleMode scoped_animation_duration_scale_mode(
ui::ScopedAnimationDurationScaleMode::NORMAL_DURATION);
ui::LayerAnimatorTestController test_controller(
ui::LayerAnimator::CreateImplicitAnimator());
ui::ScopedLayerAnimationSettings layer_animation_settings(
test_controller.animator());
layer_animation_settings.SetTransitionDuration(kTransitionDuration);
// Create 3 windows. Window a is unoccluded. Window c occludes window b.
MockWindowDelegate* delegate_a = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_a, gfx::Rect(0, 0, 10, 10));
EXPECT_FALSE(delegate_a->is_expecting_call());
MockWindowDelegate* delegate_b = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE,
SkRegion(SkIRect::MakeXYWH(0, 10, 5, 5)));
delegate_b->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
Window* window_b = CreateTrackedWindow(delegate_b, gfx::Rect(0, 10, 5, 5));
EXPECT_FALSE(delegate_a->is_expecting_call());
EXPECT_FALSE(delegate_b->is_expecting_call());
window_b->layer()->SetAnimator(test_controller.animator());
MockWindowDelegate* delegate_c = new MockWindowDelegate();
delegate_b->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
delegate_c->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_c, gfx::Rect(0, 10, 5, 5));
EXPECT_FALSE(delegate_b->is_expecting_call());
EXPECT_FALSE(delegate_c->is_expecting_call());
// Start animating the transform of window b so that it moves on top of window
// a. Window b should be non-occluded when the animation starts.
delegate_b->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
auto transform = std::make_unique<ui::InterpolatedScale>(
gfx::Point3F(1, 1, 1), gfx::Point3F(2.0f, 2.0f, 1));
transform->SetChild(std::make_unique<ui::InterpolatedTranslation>(
gfx::PointF(), gfx::PointF(-0.0f, -10.0f)));
test_controller.animator()->StartAnimation(new ui::LayerAnimationSequence(
ui::LayerAnimationElement::CreateInterpolatedTransformElement(
std::move(transform), kTransitionDuration)));
test_controller.Step(kTransitionDuration / 3);
EXPECT_FALSE(delegate_b->is_expecting_call());
// Window a should remain non-occluded during the animation.
test_controller.Step(kTransitionDuration / 3);
// Window b should occlude window a at the end of the animation.
delegate_a->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
// Window b should see window c as part of the potential occlusion region.
delegate_b->set_expectation(Window::OcclusionState::VISIBLE,
SkRegion(SkIRect::MakeXYWH(0, 10, 5, 5)));
test_controller.Step(kTransitionDuration / 3);
EXPECT_FALSE(delegate_a->is_expecting_call());
EXPECT_FALSE(delegate_b->is_expecting_call());
window_b->layer()->SetAnimator(nullptr);
}
// Same as the previous test, but the animated window starts non-occluded.
TEST_F(WindowOcclusionTrackerTest, NonOccludedWindowTransformAnimated) {
ui::ScopedAnimationDurationScaleMode scoped_animation_duration_scale_mode(
ui::ScopedAnimationDurationScaleMode::NORMAL_DURATION);
ui::LayerAnimatorTestController test_controller(
ui::LayerAnimator::CreateImplicitAnimator());
ui::ScopedLayerAnimationSettings layer_animation_settings(
test_controller.animator());
layer_animation_settings.SetTransitionDuration(kTransitionDuration);
// Create 3 windows. Window a is unoccluded. Window c occludes window b.
MockWindowDelegate* delegate_a = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_a, gfx::Rect(0, 0, 20, 20));
EXPECT_FALSE(delegate_a->is_expecting_call());
MockWindowDelegate* delegate_b = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE,
SkRegion(SkIRect::MakeXYWH(0, 20, 10, 10)));
delegate_b->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_b, gfx::Rect(0, 20, 10, 10));
EXPECT_FALSE(delegate_a->is_expecting_call());
EXPECT_FALSE(delegate_b->is_expecting_call());
MockWindowDelegate* delegate_c = new MockWindowDelegate();
delegate_b->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
delegate_c->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
Window* window_c = CreateTrackedWindow(delegate_c, gfx::Rect(0, 20, 10, 10));
EXPECT_FALSE(delegate_b->is_expecting_call());
EXPECT_FALSE(delegate_c->is_expecting_call());
window_c->layer()->SetAnimator(test_controller.animator());
// Start animating the bounds of window c so that it moves on top of window a.
// Window b should be non-occluded when the animation starts.
delegate_b->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
auto transform = std::make_unique<ui::InterpolatedScale>(
gfx::Point3F(1, 1, 1), gfx::Point3F(2.0f, 2.0f, 1));
transform->SetChild(std::make_unique<ui::InterpolatedTranslation>(
gfx::PointF(), gfx::PointF(-0.0f, -20.0f)));
test_controller.animator()->StartAnimation(new ui::LayerAnimationSequence(
ui::LayerAnimationElement::CreateInterpolatedTransformElement(
std::move(transform), kTransitionDuration)));
test_controller.Step(kTransitionDuration / 3);
EXPECT_FALSE(delegate_b->is_expecting_call());
// Window a should remain non-occluded during the animation.
test_controller.Step(kTransitionDuration / 3);
// Window c should occlude window a at the end of the animation.
delegate_a->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
// Window b should now see window c in the potential occlusion region.
delegate_b->set_expectation(Window::OcclusionState::VISIBLE,
SkRegion(SkIRect::MakeWH(20, 20)));
test_controller.Step(kTransitionDuration / 3);
EXPECT_FALSE(delegate_a->is_expecting_call());
EXPECT_FALSE(delegate_b->is_expecting_call());
window_c->layer()->SetAnimator(nullptr);
}
// Verify that occlusion states are updated when the transform of a transparent
// window with opaque children change.
TEST_F(WindowOcclusionTrackerTest, TransparentParentTransformChanged) {
// Create window a. Expect it to be non-occluded.
MockWindowDelegate* delegate_a = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_a, gfx::Rect(0, 0, 10, 10));
EXPECT_FALSE(delegate_a->is_expecting_call());
// Create window b which doesn't overlap window a and is transparent. Expect
// it to be non-occluded.
MockWindowDelegate* delegate_b = new MockWindowDelegate();
delegate_b->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
Window* window_b = CreateTrackedWindow(delegate_b, gfx::Rect(0, 10, 10, 10),
root_window(), true);
EXPECT_FALSE(delegate_b->is_expecting_call());
// Create window c which has window b as parent and doesn't occlude any
// window.
MockWindowDelegate* delegate_c = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE,
SkRegion(SkIRect::MakeXYWH(0, 10, 5, 5)));
delegate_c->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_c, gfx::Rect(0, 0, 5, 5), window_b);
EXPECT_FALSE(delegate_a->is_expecting_call());
EXPECT_FALSE(delegate_c->is_expecting_call());
// Scale and translate window b so that window c occludes window a. Expect
// window a to be occluded and other windows to be non-occluded.
delegate_a->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
gfx::Transform transform;
transform.Translate(0.0f, -10.0f);
transform.Scale(2.0f, 2.0f);
window_b->SetTransform(transform);
EXPECT_FALSE(delegate_a->is_expecting_call());
}
// Verify that occlusion states are updated when the transform of a window whose
// occlusion state is not tracked changes.
TEST_F(WindowOcclusionTrackerTest, UntrackedWindowTransformChanged) {
// Create window a. Expect it to be non-occluded.
MockWindowDelegate* delegate_a = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_a, gfx::Rect(0, 0, 10, 10));
EXPECT_FALSE(delegate_a->is_expecting_call());
// Create window b. It should not occlude window a.
delegate_a->set_expectation(Window::OcclusionState::VISIBLE,
SkRegion(SkIRect::MakeXYWH(0, 10, 5, 5)));
Window* window_b = CreateUntrackedWindow(gfx::Rect(0, 10, 5, 5));
EXPECT_FALSE(delegate_a->is_expecting_call());
// Scale and translate window b so that it occludes window a. Expect window a
// to be occluded.
delegate_a->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
gfx::Transform transform;
transform.Translate(0.0f, -10.0f);
transform.Scale(2.0f, 2.0f);
window_b->SetTransform(transform);
EXPECT_FALSE(delegate_a->is_expecting_call());
}
// Verify that deleting an untracked window which covers a tracked window causes
// the tracked window to be non-occluded.
TEST_F(WindowOcclusionTrackerTest, DeleteUntrackedWindow) {
// Create window a. Expect it to be non-occluded.
MockWindowDelegate* delegate_a = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_a, gfx::Rect(0, 0, 5, 5));
EXPECT_FALSE(delegate_a->is_expecting_call());
// Create window b which occludes window a.
delegate_a->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
Window* window_b = CreateUntrackedWindow(gfx::Rect(0, 0, 5, 5));
EXPECT_FALSE(delegate_a->is_expecting_call());
// Delete window b. Expect a to be non-occluded.
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
delete window_b;
EXPECT_FALSE(delegate_a->is_expecting_call());
}
// Verify that removing an untracked window which covers a tracked window causes
// the tracked window to be non-occluded.
TEST_F(WindowOcclusionTrackerTest, RemoveUntrackedWindow) {
// Create window a. Expect it to be non-occluded.
MockWindowDelegate* delegate_a = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_a, gfx::Rect(0, 0, 5, 5));
EXPECT_FALSE(delegate_a->is_expecting_call());
// Create window b which occludes window a.
delegate_a->set_expectation(Window::OcclusionState::OCCLUDED, SkRegion());
Window* window_b = CreateUntrackedWindow(gfx::Rect(0, 0, 5, 5));
EXPECT_FALSE(delegate_a->is_expecting_call());
// Delete window b. Expect a to be non-occluded.
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
root_window()->RemoveChild(window_b);
EXPECT_FALSE(delegate_a->is_expecting_call());
delete window_b;
}
// Verify that occlusion tracking with customized WindowHasContent callback.
TEST_F(WindowOcclusionTrackerTest, CustomizedWindowHasContent) {
// Create window a. Expect it to be non-occluded.
MockWindowDelegate* delegate_a = new MockWindowDelegate();
delegate_a->set_expectation(Window::OcclusionState::VISIBLE, SkRegion());
CreateTrackedWindow(delegate_a, gfx::Rect(0, 0, 10, 10));
EXPECT_FALSE(delegate_a->is_expecting_call());
// Create window b with layer type LAYER_NOT_DRAWN. Occlusion state of a is
// not changed.
MockWindowDelegate* delegate_b = new MockWindowDelegate();
Window* window_b = new Window(delegate_b);
delegate_b->set_window(window_b);
window_b->Init(ui::LAYER_NOT_DRAWN);
window_b->SetBounds(gfx::Rect(0, 0, 10, 10));
root_window()->AddChild(window_b);
delegate_b->set_expectation(Window::OcclusionState::HIDDEN, SkRegion());
window_b->TrackOcclusionState();
EXPECT_FALSE(delegate_b->is_expecting_call());
// Use customized WindowHasContent callback to mark b as opaque.
Env* env = Env::GetInstance();
env->GetWindowOcclusionTracker()->set_window_has_content_callback(
base::BindLambdaForTesting([window_b](const Window* window) -> bool {
return window == window_b;
}));
// Show window b to trigger a occlusion compute and window a is occluded.