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Unified Diff: ui/gfx/compositor/layer_unittest.cc

Issue 10365007: ui: Move compositor/ directory out of gfx/, up to ui/. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: fix DEPS Created 8 years, 8 months ago
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Index: ui/gfx/compositor/layer_unittest.cc
diff --git a/ui/gfx/compositor/layer_unittest.cc b/ui/gfx/compositor/layer_unittest.cc
deleted file mode 100644
index 65805fd6b01a3c7079f6fbb6996dd1ac843449b9..0000000000000000000000000000000000000000
--- a/ui/gfx/compositor/layer_unittest.cc
+++ /dev/null
@@ -1,1024 +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 "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "base/file_path.h"
-#include "base/file_util.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/path_service.h"
-#include "base/string_util.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "ui/gfx/canvas.h"
-#include "ui/gfx/codec/png_codec.h"
-#include "ui/gfx/compositor/compositor_observer.h"
-#include "ui/gfx/compositor/layer.h"
-#include "ui/gfx/compositor/layer_animation_sequence.h"
-#include "ui/gfx/compositor/test/test_compositor_host.h"
-#include "ui/gfx/gfx_paths.h"
-#include "ui/gfx/skia_util.h"
-
-#include "ui/gfx/compositor/compositor_setup.h"
-
-namespace ui {
-
-namespace {
-
-// Encodes a bitmap into a PNG and write to disk. Returns true on success. The
-// parent directory does not have to exist.
-bool WritePNGFile(const SkBitmap& bitmap, const FilePath& file_path) {
- std::vector<unsigned char> png_data;
- if (gfx::PNGCodec::EncodeBGRASkBitmap(bitmap, true, &png_data) &&
- file_util::CreateDirectory(file_path.DirName())) {
- char* data = reinterpret_cast<char*>(&png_data[0]);
- int size = static_cast<int>(png_data.size());
- return file_util::WriteFile(file_path, data, size) == size;
- }
- return false;
-}
-
-// Reads and decodes a PNG image to a bitmap. Returns true on success. The PNG
-// should have been encoded using |gfx::PNGCodec::Encode|.
-bool ReadPNGFile(const FilePath& file_path, SkBitmap* bitmap) {
- DCHECK(bitmap);
- std::string png_data;
- return file_util::ReadFileToString(file_path, &png_data) &&
- gfx::PNGCodec::Decode(reinterpret_cast<unsigned char*>(&png_data[0]),
- png_data.length(),
- bitmap);
-}
-
-// Compares with a PNG file on disk, and returns true if it is the same as
-// the given image. |ref_img_path| is absolute.
-bool IsSameAsPNGFile(const SkBitmap& gen_bmp, FilePath ref_img_path) {
- SkBitmap ref_bmp;
- if (!ReadPNGFile(ref_img_path, &ref_bmp)) {
- LOG(ERROR) << "Cannot read reference image: " << ref_img_path.value();
- return false;
- }
-
- if (ref_bmp.width() != gen_bmp.width() ||
- ref_bmp.height() != gen_bmp.height()) {
- LOG(ERROR)
- << "Dimensions do not match (Expected) vs (Actual):"
- << "(" << ref_bmp.width() << "x" << ref_bmp.height()
- << ") vs. "
- << "(" << gen_bmp.width() << "x" << gen_bmp.height() << ")";
- return false;
- }
-
- // Compare pixels and create a simple diff image.
- int diff_pixels_count = 0;
- SkAutoLockPixels lock_bmp(gen_bmp);
- SkAutoLockPixels lock_ref_bmp(ref_bmp);
- // The reference images were saved with no alpha channel. Use the mask to
- // set alpha to 0.
- uint32_t kAlphaMask = 0x00FFFFFF;
- for (int x = 0; x < gen_bmp.width(); ++x) {
- for (int y = 0; y < gen_bmp.height(); ++y) {
- if ((*gen_bmp.getAddr32(x, y) & kAlphaMask) !=
- (*ref_bmp.getAddr32(x, y) & kAlphaMask)) {
- ++diff_pixels_count;
- }
- }
- }
-
- if (diff_pixels_count != 0) {
- LOG(ERROR) << "Images differ by pixel count: " << diff_pixels_count;
- return false;
- }
-
- return true;
-}
-
-// Returns a comma-separated list of the names of |layer|'s children in
-// bottom-to-top stacking order.
-std::string GetLayerChildrenNames(const Layer& layer) {
- std::string names;
- for (std::vector<Layer*>::const_iterator it = layer.children().begin();
- it != layer.children().end(); ++it) {
- if (!names.empty())
- names += ",";
- names += (*it)->name();
- }
- return names;
-}
-
-
-// There are three test classes in here that configure the Compositor and
-// Layer's slightly differently:
-// - LayerWithNullDelegateTest uses NullLayerDelegate as the LayerDelegate. This
-// is typically the base class you want to use.
-// - LayerWithDelegateTest uses LayerDelegate on the delegates.
-// - LayerWithRealCompositorTest when a real compositor is required for testing.
-// - Slow because they bring up a window and run the real compositor. This
-// is typically not what you want.
-
-class ColoredLayer : public Layer, public LayerDelegate {
- public:
- explicit ColoredLayer(SkColor color)
- : Layer(LAYER_TEXTURED),
- color_(color) {
- set_delegate(this);
- }
-
- virtual ~ColoredLayer() { }
-
- // Overridden from LayerDelegate:
- virtual void OnPaintLayer(gfx::Canvas* canvas) OVERRIDE {
- canvas->DrawColor(color_);
- }
-
- private:
- SkColor color_;
-};
-
-class LayerWithRealCompositorTest : public testing::Test {
- public:
- LayerWithRealCompositorTest() {
- if (PathService::Get(gfx::DIR_TEST_DATA, &test_data_directory_)) {
- test_data_directory_ = test_data_directory_.AppendASCII("compositor");
- } else {
- LOG(ERROR) << "Could not open test data directory.";
- }
- }
- virtual ~LayerWithRealCompositorTest() {}
-
- // Overridden from testing::Test:
- virtual void SetUp() OVERRIDE {
- DisableTestCompositor();
- const gfx::Rect host_bounds(10, 10, 500, 500);
- window_.reset(TestCompositorHost::Create(host_bounds));
- window_->Show();
- }
-
- virtual void TearDown() OVERRIDE {
- }
-
- Compositor* GetCompositor() {
- return window_->GetCompositor();
- }
-
- Layer* CreateLayer(LayerType type) {
- return new Layer(type);
- }
-
- Layer* CreateColorLayer(SkColor color, const gfx::Rect& bounds) {
- Layer* layer = new ColoredLayer(color);
- layer->SetBounds(bounds);
- return layer;
- }
-
- Layer* CreateNoTextureLayer(const gfx::Rect& bounds) {
- Layer* layer = CreateLayer(LAYER_NOT_DRAWN);
- layer->SetBounds(bounds);
- return layer;
- }
-
- void DrawTree(Layer* root) {
- GetCompositor()->SetRootLayer(root);
- GetCompositor()->Draw(false);
- }
-
- bool ReadPixels(SkBitmap* bitmap) {
- return GetCompositor()->ReadPixels(bitmap,
- gfx::Rect(GetCompositor()->size()));
- }
-
- void RunPendingMessages() {
- MessageLoopForUI::current()->RunAllPending();
- }
-
- // Invalidates the entire contents of the layer.
- void SchedulePaintForLayer(Layer* layer) {
- layer->SchedulePaint(
- gfx::Rect(0, 0, layer->bounds().width(), layer->bounds().height()));
- }
-
- const FilePath& test_data_directory() const { return test_data_directory_; }
-
- private:
- scoped_ptr<TestCompositorHost> window_;
-
- // The root directory for test files.
- FilePath test_data_directory_;
-
- DISALLOW_COPY_AND_ASSIGN(LayerWithRealCompositorTest);
-};
-
-// LayerDelegate that paints colors to the layer.
-class TestLayerDelegate : public LayerDelegate {
- public:
- explicit TestLayerDelegate() : color_index_(0) {}
- virtual ~TestLayerDelegate() {}
-
- void AddColor(SkColor color) {
- colors_.push_back(color);
- }
-
- const gfx::Size& paint_size() const { return paint_size_; }
- int color_index() const { return color_index_; }
-
- // Overridden from LayerDelegate:
- virtual void OnPaintLayer(gfx::Canvas* canvas) OVERRIDE {
- SkBitmap contents = canvas->ExtractBitmap();
- paint_size_ = gfx::Size(contents.width(), contents.height());
- canvas->FillRect(gfx::Rect(paint_size_), colors_[color_index_]);
- color_index_ = (color_index_ + 1) % static_cast<int>(colors_.size());
- }
-
- private:
- std::vector<SkColor> colors_;
- int color_index_;
- gfx::Size paint_size_;
-
- DISALLOW_COPY_AND_ASSIGN(TestLayerDelegate);
-};
-
-// LayerDelegate that verifies that a layer was asked to update its canvas.
-class DrawTreeLayerDelegate : public LayerDelegate {
- public:
- DrawTreeLayerDelegate() : painted_(false) {}
- virtual ~DrawTreeLayerDelegate() {}
-
- void Reset() {
- painted_ = false;
- }
-
- bool painted() const { return painted_; }
-
- private:
- // Overridden from LayerDelegate:
- virtual void OnPaintLayer(gfx::Canvas* canvas) OVERRIDE {
- painted_ = true;
- }
-
- bool painted_;
-
- DISALLOW_COPY_AND_ASSIGN(DrawTreeLayerDelegate);
-};
-
-// The simplest possible layer delegate. Does nothing.
-class NullLayerDelegate : public LayerDelegate {
- public:
- NullLayerDelegate() {}
- virtual ~NullLayerDelegate() {}
-
- private:
- // Overridden from LayerDelegate:
- virtual void OnPaintLayer(gfx::Canvas* canvas) OVERRIDE {
- }
-
- DISALLOW_COPY_AND_ASSIGN(NullLayerDelegate);
-};
-
-// Remembers if it has been notified.
-class TestCompositorObserver : public CompositorObserver {
- public:
- TestCompositorObserver() : started_(false), ended_(false) {}
-
- bool notified() const { return started_ && ended_; }
-
- void Reset() {
- started_ = false;
- ended_ = false;
- }
-
- private:
- virtual void OnCompositingStarted(Compositor* compositor) OVERRIDE {
- started_ = true;
- }
-
- virtual void OnCompositingEnded(Compositor* compositor) OVERRIDE {
- ended_ = true;
- }
-
- bool started_;
- bool ended_;
-
- DISALLOW_COPY_AND_ASSIGN(TestCompositorObserver);
-};
-
-} // namespace
-
-#if defined(OS_WIN)
-// These are disabled on windows as they don't run correctly on the buildbot.
-// Reenable once we move to the real compositor.
-#define MAYBE_Delegate DISABLED_Delegate
-#define MAYBE_Draw DISABLED_Draw
-#define MAYBE_DrawTree DISABLED_DrawTree
-#define MAYBE_Hierarchy DISABLED_Hierarchy
-#define MAYBE_HierarchyNoTexture DISABLED_HierarchyNoTexture
-#define MAYBE_DrawPixels DISABLED_DrawPixels
-#define MAYBE_SetRootLayer DISABLED_SetRootLayer
-#define MAYBE_CompositorObservers DISABLED_CompositorObservers
-#define MAYBE_ModifyHierarchy DISABLED_ModifyHierarchy
-#define MAYBE_Opacity DISABLED_Opacity
-#else
-#define MAYBE_Delegate DISABLED_Delegate
-#define MAYBE_Draw Draw
-#define MAYBE_DrawTree DISABLED_DrawTree
-#define MAYBE_Hierarchy Hierarchy
-#define MAYBE_HierarchyNoTexture DISABLED_HierarchyNoTexture
-#define MAYBE_DrawPixels DrawPixels
-#define MAYBE_SetRootLayer SetRootLayer
-#define MAYBE_CompositorObservers DISABLED_CompositorObservers
-#define MAYBE_ModifyHierarchy ModifyHierarchy
-#define MAYBE_Opacity Opacity
-#endif
-
-TEST_F(LayerWithRealCompositorTest, MAYBE_Draw) {
- scoped_ptr<Layer> layer(CreateColorLayer(SK_ColorRED,
- gfx::Rect(20, 20, 50, 50)));
- DrawTree(layer.get());
-}
-
-// Create this hierarchy:
-// L1 - red
-// +-- L2 - blue
-// | +-- L3 - yellow
-// +-- L4 - magenta
-//
-TEST_F(LayerWithRealCompositorTest, MAYBE_Hierarchy) {
- scoped_ptr<Layer> l1(CreateColorLayer(SK_ColorRED,
- gfx::Rect(20, 20, 400, 400)));
- scoped_ptr<Layer> l2(CreateColorLayer(SK_ColorBLUE,
- gfx::Rect(10, 10, 350, 350)));
- scoped_ptr<Layer> l3(CreateColorLayer(SK_ColorYELLOW,
- gfx::Rect(5, 5, 25, 25)));
- scoped_ptr<Layer> l4(CreateColorLayer(SK_ColorMAGENTA,
- gfx::Rect(300, 300, 100, 100)));
-
- l1->Add(l2.get());
- l1->Add(l4.get());
- l2->Add(l3.get());
-
- DrawTree(l1.get());
-}
-
-class LayerWithDelegateTest : public testing::Test, public CompositorDelegate {
- public:
- LayerWithDelegateTest() : schedule_draw_invoked_(false) {}
- virtual ~LayerWithDelegateTest() {}
-
- // Overridden from testing::Test:
- virtual void SetUp() OVERRIDE {
- ui::SetupTestCompositor();
- compositor_.reset(new Compositor(
- this, gfx::kNullAcceleratedWidget, gfx::Size(1000, 1000)));
- }
-
- virtual void TearDown() OVERRIDE {
- }
-
- Compositor* compositor() { return compositor_.get(); }
-
- virtual Layer* CreateLayer(LayerType type) {
- return new Layer(type);
- }
-
- Layer* CreateColorLayer(SkColor color, const gfx::Rect& bounds) {
- Layer* layer = new ColoredLayer(color);
- layer->SetBounds(bounds);
- return layer;
- }
-
- virtual Layer* CreateNoTextureLayer(const gfx::Rect& bounds) {
- Layer* layer = CreateLayer(LAYER_NOT_DRAWN);
- layer->SetBounds(bounds);
- return layer;
- }
-
- void DrawTree(Layer* root) {
- compositor()->SetRootLayer(root);
- compositor()->Draw(false);
- }
-
- // Invalidates the entire contents of the layer.
- void SchedulePaintForLayer(Layer* layer) {
- layer->SchedulePaint(
- gfx::Rect(0, 0, layer->bounds().width(), layer->bounds().height()));
- }
-
- // Invokes DrawTree on the compositor.
- void Draw() {
- compositor_->Draw(false);
- }
-
- // CompositorDelegate overrides.
- virtual void ScheduleDraw() OVERRIDE {
- schedule_draw_invoked_ = true;
- }
-
- protected:
- // Set to true when ScheduleDraw (CompositorDelegate override) is invoked.
- bool schedule_draw_invoked_;
-
- private:
- scoped_ptr<Compositor> compositor_;
-
- DISALLOW_COPY_AND_ASSIGN(LayerWithDelegateTest);
-};
-
-// L1
-// +-- L2
-TEST_F(LayerWithDelegateTest, ConvertPointToLayer_Simple) {
- scoped_ptr<Layer> l1(CreateColorLayer(SK_ColorRED,
- gfx::Rect(20, 20, 400, 400)));
- scoped_ptr<Layer> l2(CreateColorLayer(SK_ColorBLUE,
- gfx::Rect(10, 10, 350, 350)));
- l1->Add(l2.get());
- DrawTree(l1.get());
-
- gfx::Point point1_in_l2_coords(5, 5);
- Layer::ConvertPointToLayer(l2.get(), l1.get(), &point1_in_l2_coords);
- gfx::Point point1_in_l1_coords(15, 15);
- EXPECT_EQ(point1_in_l1_coords, point1_in_l2_coords);
-
- gfx::Point point2_in_l1_coords(5, 5);
- Layer::ConvertPointToLayer(l1.get(), l2.get(), &point2_in_l1_coords);
- gfx::Point point2_in_l2_coords(-5, -5);
- EXPECT_EQ(point2_in_l2_coords, point2_in_l1_coords);
-}
-
-// L1
-// +-- L2
-// +-- L3
-TEST_F(LayerWithDelegateTest, ConvertPointToLayer_Medium) {
- scoped_ptr<Layer> l1(CreateColorLayer(SK_ColorRED,
- gfx::Rect(20, 20, 400, 400)));
- scoped_ptr<Layer> l2(CreateColorLayer(SK_ColorBLUE,
- gfx::Rect(10, 10, 350, 350)));
- scoped_ptr<Layer> l3(CreateColorLayer(SK_ColorYELLOW,
- gfx::Rect(10, 10, 100, 100)));
- l1->Add(l2.get());
- l2->Add(l3.get());
- DrawTree(l1.get());
-
- gfx::Point point1_in_l3_coords(5, 5);
- Layer::ConvertPointToLayer(l3.get(), l1.get(), &point1_in_l3_coords);
- gfx::Point point1_in_l1_coords(25, 25);
- EXPECT_EQ(point1_in_l1_coords, point1_in_l3_coords);
-
- gfx::Point point2_in_l1_coords(5, 5);
- Layer::ConvertPointToLayer(l1.get(), l3.get(), &point2_in_l1_coords);
- gfx::Point point2_in_l3_coords(-15, -15);
- EXPECT_EQ(point2_in_l3_coords, point2_in_l1_coords);
-}
-
-TEST_F(LayerWithRealCompositorTest, MAYBE_Delegate) {
- scoped_ptr<Layer> l1(CreateColorLayer(SK_ColorBLACK,
- gfx::Rect(20, 20, 400, 400)));
- GetCompositor()->SetRootLayer(l1.get());
- RunPendingMessages();
-
- TestLayerDelegate delegate;
- l1->set_delegate(&delegate);
- delegate.AddColor(SK_ColorWHITE);
- delegate.AddColor(SK_ColorYELLOW);
- delegate.AddColor(SK_ColorGREEN);
-
- l1->SchedulePaint(gfx::Rect(0, 0, 400, 400));
- RunPendingMessages();
- EXPECT_EQ(delegate.color_index(), 1);
- EXPECT_EQ(delegate.paint_size(), l1->bounds().size());
-
- l1->SchedulePaint(gfx::Rect(10, 10, 200, 200));
- RunPendingMessages();
- EXPECT_EQ(delegate.color_index(), 2);
- EXPECT_EQ(delegate.paint_size(), gfx::Size(200, 200));
-
- l1->SchedulePaint(gfx::Rect(5, 5, 50, 50));
- RunPendingMessages();
- EXPECT_EQ(delegate.color_index(), 0);
- EXPECT_EQ(delegate.paint_size(), gfx::Size(50, 50));
-}
-
-TEST_F(LayerWithRealCompositorTest, MAYBE_DrawTree) {
- scoped_ptr<Layer> l1(CreateColorLayer(SK_ColorRED,
- gfx::Rect(20, 20, 400, 400)));
- scoped_ptr<Layer> l2(CreateColorLayer(SK_ColorBLUE,
- gfx::Rect(10, 10, 350, 350)));
- scoped_ptr<Layer> l3(CreateColorLayer(SK_ColorYELLOW,
- gfx::Rect(10, 10, 100, 100)));
- l1->Add(l2.get());
- l2->Add(l3.get());
-
- GetCompositor()->SetRootLayer(l1.get());
- RunPendingMessages();
-
- DrawTreeLayerDelegate d1;
- l1->set_delegate(&d1);
- DrawTreeLayerDelegate d2;
- l2->set_delegate(&d2);
- DrawTreeLayerDelegate d3;
- l3->set_delegate(&d3);
-
- l2->SchedulePaint(gfx::Rect(5, 5, 5, 5));
- RunPendingMessages();
- EXPECT_FALSE(d1.painted());
- EXPECT_TRUE(d2.painted());
- EXPECT_FALSE(d3.painted());
-}
-
-// Tests no-texture Layers.
-// Create this hierarchy:
-// L1 - red
-// +-- L2 - NO TEXTURE
-// | +-- L3 - yellow
-// +-- L4 - magenta
-//
-TEST_F(LayerWithRealCompositorTest, MAYBE_HierarchyNoTexture) {
- scoped_ptr<Layer> l1(CreateColorLayer(SK_ColorRED,
- gfx::Rect(20, 20, 400, 400)));
- scoped_ptr<Layer> l2(CreateNoTextureLayer(gfx::Rect(10, 10, 350, 350)));
- scoped_ptr<Layer> l3(CreateColorLayer(SK_ColorYELLOW,
- gfx::Rect(5, 5, 25, 25)));
- scoped_ptr<Layer> l4(CreateColorLayer(SK_ColorMAGENTA,
- gfx::Rect(300, 300, 100, 100)));
-
- l1->Add(l2.get());
- l1->Add(l4.get());
- l2->Add(l3.get());
-
- GetCompositor()->SetRootLayer(l1.get());
- RunPendingMessages();
-
- DrawTreeLayerDelegate d2;
- l2->set_delegate(&d2);
- DrawTreeLayerDelegate d3;
- l3->set_delegate(&d3);
-
- l2->SchedulePaint(gfx::Rect(5, 5, 5, 5));
- l3->SchedulePaint(gfx::Rect(5, 5, 5, 5));
- RunPendingMessages();
-
- // |d2| should not have received a paint notification since it has no texture.
- EXPECT_FALSE(d2.painted());
- // |d3| should have received a paint notification.
- EXPECT_TRUE(d3.painted());
-}
-
-class LayerWithNullDelegateTest : public LayerWithDelegateTest {
- public:
- LayerWithNullDelegateTest() {}
- virtual ~LayerWithNullDelegateTest() {}
-
- // Overridden from testing::Test:
- virtual void SetUp() OVERRIDE {
- LayerWithDelegateTest::SetUp();
- default_layer_delegate_.reset(new NullLayerDelegate());
- }
-
- virtual void TearDown() OVERRIDE {
- }
-
- Layer* CreateLayer(LayerType type) OVERRIDE {
- Layer* layer = new Layer(type);
- layer->set_delegate(default_layer_delegate_.get());
- return layer;
- }
-
- Layer* CreateTextureRootLayer(const gfx::Rect& bounds) {
- Layer* layer = CreateTextureLayer(bounds);
- compositor()->SetRootLayer(layer);
- return layer;
- }
-
- Layer* CreateTextureLayer(const gfx::Rect& bounds) {
- Layer* layer = CreateLayer(LAYER_TEXTURED);
- layer->SetBounds(bounds);
- return layer;
- }
-
- Layer* CreateNoTextureLayer(const gfx::Rect& bounds) OVERRIDE {
- Layer* layer = CreateLayer(LAYER_NOT_DRAWN);
- layer->SetBounds(bounds);
- return layer;
- }
-
- void RunPendingMessages() {
- MessageLoopForUI::current()->RunAllPending();
- }
-
- private:
- scoped_ptr<NullLayerDelegate> default_layer_delegate_;
-
- DISALLOW_COPY_AND_ASSIGN(LayerWithNullDelegateTest);
-};
-
-// Various visibile/drawn assertions.
-TEST_F(LayerWithNullDelegateTest, Visibility) {
- scoped_ptr<Layer> l1(new Layer(LAYER_TEXTURED));
- scoped_ptr<Layer> l2(new Layer(LAYER_TEXTURED));
- scoped_ptr<Layer> l3(new Layer(LAYER_TEXTURED));
- l1->Add(l2.get());
- l2->Add(l3.get());
-
- NullLayerDelegate delegate;
- l1->set_delegate(&delegate);
- l2->set_delegate(&delegate);
- l3->set_delegate(&delegate);
-
- // Layers should initially be drawn.
- EXPECT_TRUE(l1->IsDrawn());
- EXPECT_TRUE(l2->IsDrawn());
- EXPECT_TRUE(l3->IsDrawn());
- EXPECT_EQ(1.f, l1->web_layer().opacity());
- EXPECT_EQ(1.f, l2->web_layer().opacity());
- EXPECT_EQ(1.f, l3->web_layer().opacity());
-
- compositor()->SetRootLayer(l1.get());
-
- Draw();
-
- l1->SetVisible(false);
- EXPECT_FALSE(l1->IsDrawn());
- EXPECT_FALSE(l2->IsDrawn());
- EXPECT_FALSE(l3->IsDrawn());
- EXPECT_EQ(0.f, l1->web_layer().opacity());
-
- l3->SetVisible(false);
- EXPECT_FALSE(l1->IsDrawn());
- EXPECT_FALSE(l2->IsDrawn());
- EXPECT_FALSE(l3->IsDrawn());
- EXPECT_EQ(0.f, l3->web_layer().opacity());
-
- l1->SetVisible(true);
- EXPECT_TRUE(l1->IsDrawn());
- EXPECT_TRUE(l2->IsDrawn());
- EXPECT_FALSE(l3->IsDrawn());
- EXPECT_EQ(1.f, l1->web_layer().opacity());
-}
-
-// Checks that stacking-related methods behave as advertised.
-TEST_F(LayerWithNullDelegateTest, Stacking) {
- scoped_ptr<Layer> root(new Layer(LAYER_NOT_DRAWN));
- scoped_ptr<Layer> l1(new Layer(LAYER_TEXTURED));
- scoped_ptr<Layer> l2(new Layer(LAYER_TEXTURED));
- scoped_ptr<Layer> l3(new Layer(LAYER_TEXTURED));
- l1->set_name("1");
- l2->set_name("2");
- l3->set_name("3");
- root->Add(l3.get());
- root->Add(l2.get());
- root->Add(l1.get());
-
- // Layers' children are stored in bottom-to-top order.
- EXPECT_EQ("3,2,1", GetLayerChildrenNames(*root.get()));
-
- root->StackAtTop(l3.get());
- EXPECT_EQ("2,1,3", GetLayerChildrenNames(*root.get()));
-
- root->StackAtTop(l1.get());
- EXPECT_EQ("2,3,1", GetLayerChildrenNames(*root.get()));
-
- root->StackAtTop(l1.get());
- EXPECT_EQ("2,3,1", GetLayerChildrenNames(*root.get()));
-
- root->StackAbove(l2.get(), l3.get());
- EXPECT_EQ("3,2,1", GetLayerChildrenNames(*root.get()));
-
- root->StackAbove(l1.get(), l3.get());
- EXPECT_EQ("3,1,2", GetLayerChildrenNames(*root.get()));
-
- root->StackAbove(l2.get(), l1.get());
- EXPECT_EQ("3,1,2", GetLayerChildrenNames(*root.get()));
-
- root->StackAtBottom(l2.get());
- EXPECT_EQ("2,3,1", GetLayerChildrenNames(*root.get()));
-
- root->StackAtBottom(l3.get());
- EXPECT_EQ("3,2,1", GetLayerChildrenNames(*root.get()));
-
- root->StackAtBottom(l3.get());
- EXPECT_EQ("3,2,1", GetLayerChildrenNames(*root.get()));
-
- root->StackBelow(l2.get(), l3.get());
- EXPECT_EQ("2,3,1", GetLayerChildrenNames(*root.get()));
-
- root->StackBelow(l1.get(), l3.get());
- EXPECT_EQ("2,1,3", GetLayerChildrenNames(*root.get()));
-
- root->StackBelow(l3.get(), l2.get());
- EXPECT_EQ("3,2,1", GetLayerChildrenNames(*root.get()));
-
- root->StackBelow(l3.get(), l2.get());
- EXPECT_EQ("3,2,1", GetLayerChildrenNames(*root.get()));
-
- root->StackBelow(l3.get(), l1.get());
- EXPECT_EQ("2,3,1", GetLayerChildrenNames(*root.get()));
-}
-
-// Verifies SetBounds triggers the appropriate painting/drawing.
-TEST_F(LayerWithNullDelegateTest, SetBoundsSchedulesPaint) {
- scoped_ptr<Layer> l1(CreateTextureLayer(gfx::Rect(0, 0, 200, 200)));
- compositor()->SetRootLayer(l1.get());
-
- Draw();
-
- schedule_draw_invoked_ = false;
- l1->SetBounds(gfx::Rect(5, 5, 200, 200));
-
- // The CompositorDelegate (us) should have been told to draw for a move.
- EXPECT_TRUE(schedule_draw_invoked_);
-
- schedule_draw_invoked_ = false;
- l1->SetBounds(gfx::Rect(5, 5, 100, 100));
-
- // The CompositorDelegate (us) should have been told to draw for a resize.
- EXPECT_TRUE(schedule_draw_invoked_);
-}
-
-// Checks that pixels are actually drawn to the screen with a read back.
-TEST_F(LayerWithRealCompositorTest, MAYBE_DrawPixels) {
- scoped_ptr<Layer> layer(CreateColorLayer(SK_ColorRED,
- gfx::Rect(0, 0, 500, 500)));
- scoped_ptr<Layer> layer2(CreateColorLayer(SK_ColorBLUE,
- gfx::Rect(0, 0, 500, 10)));
-
- layer->Add(layer2.get());
-
- DrawTree(layer.get());
-
- SkBitmap bitmap;
- gfx::Size size = GetCompositor()->size();
- ASSERT_TRUE(GetCompositor()->ReadPixels(&bitmap,
- gfx::Rect(0, 10,
- size.width(), size.height() - 10)));
- ASSERT_FALSE(bitmap.empty());
-
- SkAutoLockPixels lock(bitmap);
- bool is_all_red = true;
- for (int x = 0; is_all_red && x < 500; x++)
- for (int y = 0; is_all_red && y < 490; y++)
- is_all_red = is_all_red && (bitmap.getColor(x, y) == SK_ColorRED);
-
- EXPECT_TRUE(is_all_red);
-}
-
-// Checks the logic around Compositor::SetRootLayer and Layer::SetCompositor.
-TEST_F(LayerWithRealCompositorTest, MAYBE_SetRootLayer) {
- Compositor* compositor = GetCompositor();
- scoped_ptr<Layer> l1(CreateColorLayer(SK_ColorRED,
- gfx::Rect(20, 20, 400, 400)));
- scoped_ptr<Layer> l2(CreateColorLayer(SK_ColorBLUE,
- gfx::Rect(10, 10, 350, 350)));
-
- EXPECT_EQ(NULL, l1->GetCompositor());
- EXPECT_EQ(NULL, l2->GetCompositor());
-
- compositor->SetRootLayer(l1.get());
- EXPECT_EQ(compositor, l1->GetCompositor());
-
- l1->Add(l2.get());
- EXPECT_EQ(compositor, l2->GetCompositor());
-
- l1->Remove(l2.get());
- EXPECT_EQ(NULL, l2->GetCompositor());
-
- l1->Add(l2.get());
- EXPECT_EQ(compositor, l2->GetCompositor());
-
- compositor->SetRootLayer(NULL);
- EXPECT_EQ(NULL, l1->GetCompositor());
- EXPECT_EQ(NULL, l2->GetCompositor());
-}
-
-// Checks that compositor observers are notified when:
-// - DrawTree is called,
-// - After ScheduleDraw is called, or
-// - Whenever SetBounds, SetOpacity or SetTransform are called.
-// TODO(vollick): could be reorganized into compositor_unittest.cc
-TEST_F(LayerWithRealCompositorTest, MAYBE_CompositorObservers) {
- scoped_ptr<Layer> l1(CreateColorLayer(SK_ColorRED,
- gfx::Rect(20, 20, 400, 400)));
- scoped_ptr<Layer> l2(CreateColorLayer(SK_ColorBLUE,
- gfx::Rect(10, 10, 350, 350)));
- l1->Add(l2.get());
- TestCompositorObserver observer;
- GetCompositor()->AddObserver(&observer);
-
- // Explicitly called DrawTree should cause the observers to be notified.
- // NOTE: this call to DrawTree sets l1 to be the compositor's root layer.
- DrawTree(l1.get());
- RunPendingMessages();
- EXPECT_TRUE(observer.notified());
-
- // As should scheduling a draw and waiting.
- observer.Reset();
- l1->ScheduleDraw();
- RunPendingMessages();
- EXPECT_TRUE(observer.notified());
-
- // Moving, but not resizing, a layer should alert the observers.
- observer.Reset();
- l2->SetBounds(gfx::Rect(0, 0, 350, 350));
- RunPendingMessages();
- EXPECT_TRUE(observer.notified());
-
- // So should resizing a layer.
- observer.Reset();
- l2->SetBounds(gfx::Rect(0, 0, 400, 400));
- RunPendingMessages();
- EXPECT_TRUE(observer.notified());
-
- // Opacity changes should alert the observers.
- observer.Reset();
- l2->SetOpacity(0.5f);
- RunPendingMessages();
- EXPECT_TRUE(observer.notified());
-
- // So should setting the opacity back.
- observer.Reset();
- l2->SetOpacity(1.0f);
- RunPendingMessages();
- EXPECT_TRUE(observer.notified());
-
- // Setting the transform of a layer should alert the observers.
- observer.Reset();
- Transform transform;
- transform.ConcatTranslate(-200, -200);
- transform.ConcatRotate(90.0f);
- transform.ConcatTranslate(200, 200);
- l2->SetTransform(transform);
- RunPendingMessages();
- EXPECT_TRUE(observer.notified());
-
- GetCompositor()->RemoveObserver(&observer);
-
- // Opacity changes should no longer alert the removed observer.
- observer.Reset();
- l2->SetOpacity(0.5f);
- RunPendingMessages();
- EXPECT_FALSE(observer.notified());
-}
-
-// Checks that modifying the hierarchy correctly affects final composite.
-TEST_F(LayerWithRealCompositorTest, MAYBE_ModifyHierarchy) {
- GetCompositor()->WidgetSizeChanged(gfx::Size(50, 50));
-
- // l0
- // +-l11
- // | +-l21
- // +-l12
- scoped_ptr<Layer> l0(CreateColorLayer(SK_ColorRED,
- gfx::Rect(0, 0, 50, 50)));
- scoped_ptr<Layer> l11(CreateColorLayer(SK_ColorGREEN,
- gfx::Rect(0, 0, 25, 25)));
- scoped_ptr<Layer> l21(CreateColorLayer(SK_ColorMAGENTA,
- gfx::Rect(0, 0, 15, 15)));
- scoped_ptr<Layer> l12(CreateColorLayer(SK_ColorBLUE,
- gfx::Rect(10, 10, 25, 25)));
-
- FilePath ref_img1 = test_data_directory().AppendASCII("ModifyHierarchy1.png");
- FilePath ref_img2 = test_data_directory().AppendASCII("ModifyHierarchy2.png");
- SkBitmap bitmap;
-
- l0->Add(l11.get());
- l11->Add(l21.get());
- l0->Add(l12.get());
- DrawTree(l0.get());
- ASSERT_TRUE(ReadPixels(&bitmap));
- ASSERT_FALSE(bitmap.empty());
- // WritePNGFile(bitmap, ref_img1);
- EXPECT_TRUE(IsSameAsPNGFile(bitmap, ref_img1));
-
- l0->StackAtTop(l11.get());
- DrawTree(l0.get());
- ASSERT_TRUE(ReadPixels(&bitmap));
- ASSERT_FALSE(bitmap.empty());
- // WritePNGFile(bitmap, ref_img2);
- EXPECT_TRUE(IsSameAsPNGFile(bitmap, ref_img2));
-
- // l11 is already at the front, should have no effect.
- l0->StackAtTop(l11.get());
- DrawTree(l0.get());
- ASSERT_TRUE(ReadPixels(&bitmap));
- ASSERT_FALSE(bitmap.empty());
- EXPECT_TRUE(IsSameAsPNGFile(bitmap, ref_img2));
-
- // l11 is already at the front, should have no effect.
- l0->StackAbove(l11.get(), l12.get());
- DrawTree(l0.get());
- ASSERT_TRUE(ReadPixels(&bitmap));
- ASSERT_FALSE(bitmap.empty());
- EXPECT_TRUE(IsSameAsPNGFile(bitmap, ref_img2));
-
- // should restore to original configuration
- l0->StackAbove(l12.get(), l11.get());
- DrawTree(l0.get());
- ASSERT_TRUE(ReadPixels(&bitmap));
- ASSERT_FALSE(bitmap.empty());
- EXPECT_TRUE(IsSameAsPNGFile(bitmap, ref_img1));
-}
-
-// Opacity is rendered correctly.
-// Checks that modifying the hierarchy correctly affects final composite.
-TEST_F(LayerWithRealCompositorTest, MAYBE_Opacity) {
- GetCompositor()->WidgetSizeChanged(gfx::Size(50, 50));
-
- // l0
- // +-l11
- scoped_ptr<Layer> l0(CreateColorLayer(SK_ColorRED,
- gfx::Rect(0, 0, 50, 50)));
- scoped_ptr<Layer> l11(CreateColorLayer(SK_ColorGREEN,
- gfx::Rect(0, 0, 25, 25)));
-
- FilePath ref_img = test_data_directory().AppendASCII("Opacity.png");
-
- l11->SetOpacity(0.75);
- l0->Add(l11.get());
- DrawTree(l0.get());
- SkBitmap bitmap;
- ASSERT_TRUE(ReadPixels(&bitmap));
- ASSERT_FALSE(bitmap.empty());
- // WritePNGFile(bitmap, ref_img);
- EXPECT_TRUE(IsSameAsPNGFile(bitmap, ref_img));
-}
-
-namespace {
-
-class SchedulePaintLayerDelegate : public LayerDelegate {
- public:
- SchedulePaintLayerDelegate() : paint_count_(0), layer_(NULL) {}
-
- virtual ~SchedulePaintLayerDelegate() {}
-
- void set_layer(Layer* layer) {
- layer_ = layer;
- layer_->set_delegate(this);
- }
-
- void SetSchedulePaintRect(const gfx::Rect& rect) {
- schedule_paint_rect_ = rect;
- }
-
- int GetPaintCountAndClear() {
- int value = paint_count_;
- paint_count_ = 0;
- return value;
- }
-
- const gfx::Rect& last_clip_rect() const { return last_clip_rect_; }
-
- private:
- // Overridden from LayerDelegate:
- virtual void OnPaintLayer(gfx::Canvas* canvas) OVERRIDE {
- paint_count_++;
- if (!schedule_paint_rect_.IsEmpty()) {
- layer_->SchedulePaint(schedule_paint_rect_);
- schedule_paint_rect_ = gfx::Rect();
- }
- SkRect sk_clip_rect;
- if (canvas->sk_canvas()->getClipBounds(&sk_clip_rect))
- last_clip_rect_ = gfx::SkRectToRect(sk_clip_rect);
- }
-
- int paint_count_;
- Layer* layer_;
- gfx::Rect schedule_paint_rect_;
- gfx::Rect last_clip_rect_;
-
- DISALLOW_COPY_AND_ASSIGN(SchedulePaintLayerDelegate);
-};
-
-} // namespace
-
-// Verifies that if SchedulePaint is invoked during painting the layer is still
-// marked dirty.
-TEST_F(LayerWithDelegateTest, SchedulePaintFromOnPaintLayer) {
- scoped_ptr<Layer> root(CreateColorLayer(SK_ColorRED,
- gfx::Rect(0, 0, 500, 500)));
- SchedulePaintLayerDelegate child_delegate;
- scoped_ptr<Layer> child(CreateColorLayer(SK_ColorBLUE,
- gfx::Rect(0, 0, 200, 200)));
- child_delegate.set_layer(child.get());
-
- root->Add(child.get());
-
- SchedulePaintForLayer(root.get());
- DrawTree(root.get());
- schedule_draw_invoked_ = false;
- child->SchedulePaint(gfx::Rect(0, 0, 20, 20));
- child_delegate.GetPaintCountAndClear();
- EXPECT_TRUE(schedule_draw_invoked_);
- schedule_draw_invoked_ = false;
- // Set a rect so that when OnPaintLayer() is invoked SchedulePaint is invoked
- // again.
- child_delegate.SetSchedulePaintRect(gfx::Rect(10, 10, 30, 30));
- DrawTree(root.get());
- // |child| should have been painted once.
- EXPECT_EQ(1, child_delegate.GetPaintCountAndClear());
- // ScheduleDraw() should have been invoked.
- EXPECT_TRUE(schedule_draw_invoked_);
- // Because SchedulePaint() was invoked from OnPaintLayer() |child| should
- // still need to be painted.
- DrawTree(root.get());
- EXPECT_EQ(1, child_delegate.GetPaintCountAndClear());
- EXPECT_TRUE(child_delegate.last_clip_rect().Contains(
- gfx::Rect(10, 10, 30, 30)));
-}
-
-} // namespace ui
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