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// Copyright 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 "cc/scrollbar_layer.h"
#include "cc/scrollbar_animation_controller.h"
#include "cc/scrollbar_layer_impl.h"
#include "cc/single_thread_proxy.h"
#include "cc/test/fake_impl_proxy.h"
#include "cc/test/fake_layer_tree_host_impl.h"
#include "cc/test/fake_web_scrollbar_theme_geometry.h"
#include "cc/test/layer_tree_test_common.h"
#include "cc/tree_synchronizer.h"
#include "testing/gtest/include/gtest/gtest.h"
#include <public/WebScrollbar.h>
#include <public/WebScrollbarThemeGeometry.h>
#include <public/WebScrollbarThemePainter.h>
namespace cc {
namespace {
class FakeWebScrollbar : public WebKit::WebScrollbar {
public:
static scoped_ptr<FakeWebScrollbar> create() { return make_scoped_ptr(new FakeWebScrollbar()); }
// WebScrollbar implementation
virtual bool isOverlay() const OVERRIDE { return false; }
virtual int value() const OVERRIDE { return 0; }
virtual WebKit::WebPoint location() const OVERRIDE { return WebKit::WebPoint(); }
virtual WebKit::WebSize size() const OVERRIDE { return WebKit::WebSize(); }
virtual bool enabled() const OVERRIDE { return true; }
virtual int maximum() const OVERRIDE { return 0; }
virtual int totalSize() const OVERRIDE { return 0; }
virtual bool isScrollViewScrollbar() const OVERRIDE { return false; }
virtual bool isScrollableAreaActive() const OVERRIDE { return true; }
virtual void getTickmarks(WebKit::WebVector<WebKit::WebRect>&) const OVERRIDE { }
virtual ScrollbarControlSize controlSize() const OVERRIDE { return WebScrollbar::RegularScrollbar; }
virtual ScrollbarPart pressedPart() const OVERRIDE { return WebScrollbar::NoPart; }
virtual ScrollbarPart hoveredPart() const OVERRIDE { return WebScrollbar::NoPart; }
virtual ScrollbarOverlayStyle scrollbarOverlayStyle() const OVERRIDE { return WebScrollbar::ScrollbarOverlayStyleDefault; }
virtual bool isCustomScrollbar() const OVERRIDE { return false; }
virtual Orientation orientation() const OVERRIDE { return WebScrollbar::Horizontal; }
};
TEST(ScrollbarLayerTest, resolveScrollLayerPointer)
{
FakeImplProxy proxy;
FakeLayerTreeHostImpl hostImpl(&proxy);
WebKit::WebScrollbarThemePainter painter;
{
scoped_ptr<WebKit::WebScrollbar> scrollbar(FakeWebScrollbar::create());
scoped_refptr<Layer> layerTreeRoot = Layer::create();
scoped_refptr<Layer> child1 = Layer::create();
scoped_refptr<Layer> child2 = ScrollbarLayer::create(scrollbar.Pass(), painter, WebKit::FakeWebScrollbarThemeGeometry::create(), child1->id());
layerTreeRoot->addChild(child1);
layerTreeRoot->addChild(child2);
scoped_ptr<LayerImpl> layerImplTreeRoot = TreeSynchronizer::synchronizeTrees(layerTreeRoot.get(), scoped_ptr<LayerImpl>(), &hostImpl);
LayerImpl* ccChild1 = layerImplTreeRoot->children()[0];
ScrollbarLayerImpl* ccChild2 = static_cast<ScrollbarLayerImpl*>(layerImplTreeRoot->children()[1]);
EXPECT_TRUE(ccChild1->scrollbarAnimationController());
EXPECT_EQ(ccChild1->horizontalScrollbarLayer(), ccChild2);
}
{ // another traverse order
scoped_ptr<WebKit::WebScrollbar> scrollbar(FakeWebScrollbar::create());
scoped_refptr<Layer> layerTreeRoot = Layer::create();
scoped_refptr<Layer> child2 = Layer::create();
scoped_refptr<Layer> child1 = ScrollbarLayer::create(scrollbar.Pass(), painter, WebKit::FakeWebScrollbarThemeGeometry::create(), child2->id());
layerTreeRoot->addChild(child1);
layerTreeRoot->addChild(child2);
scoped_ptr<LayerImpl> layerImplTreeRoot = TreeSynchronizer::synchronizeTrees(layerTreeRoot.get(), scoped_ptr<LayerImpl>(), &hostImpl);
ScrollbarLayerImpl* ccChild1 = static_cast<ScrollbarLayerImpl*>(layerImplTreeRoot->children()[0]);
LayerImpl* ccChild2 = layerImplTreeRoot->children()[1];
EXPECT_TRUE(ccChild2->scrollbarAnimationController());
EXPECT_EQ(ccChild2->horizontalScrollbarLayer(), ccChild1);
}
}
TEST(ScrollbarLayerTest, scrollOffsetSynchronization)
{
FakeImplProxy proxy;
FakeLayerTreeHostImpl hostImpl(&proxy);
WebKit::WebScrollbarThemePainter painter;
scoped_ptr<WebKit::WebScrollbar> scrollbar(FakeWebScrollbar::create());
scoped_refptr<Layer> layerTreeRoot = Layer::create();
scoped_refptr<Layer> contentLayer = Layer::create();
scoped_refptr<Layer> scrollbarLayer = ScrollbarLayer::create(scrollbar.Pass(), painter, WebKit::FakeWebScrollbarThemeGeometry::create(), layerTreeRoot->id());
layerTreeRoot->addChild(contentLayer);
layerTreeRoot->addChild(scrollbarLayer);
layerTreeRoot->setScrollOffset(gfx::Vector2d(10, 20));
layerTreeRoot->setMaxScrollOffset(gfx::Vector2d(30, 50));
contentLayer->setBounds(gfx::Size(100, 200));
scoped_ptr<LayerImpl> layerImplTreeRoot = TreeSynchronizer::synchronizeTrees(layerTreeRoot.get(), scoped_ptr<LayerImpl>(), &hostImpl);
ScrollbarLayerImpl* ccScrollbarLayer = static_cast<ScrollbarLayerImpl*>(layerImplTreeRoot->children()[1]);
EXPECT_EQ(10, ccScrollbarLayer->currentPos());
EXPECT_EQ(100, ccScrollbarLayer->totalSize());
EXPECT_EQ(30, ccScrollbarLayer->maximum());
layerTreeRoot->setScrollOffset(gfx::Vector2d(100, 200));
layerTreeRoot->setMaxScrollOffset(gfx::Vector2d(300, 500));
contentLayer->setBounds(gfx::Size(1000, 2000));
ScrollbarAnimationController* scrollbarController = layerImplTreeRoot->scrollbarAnimationController();
layerImplTreeRoot = TreeSynchronizer::synchronizeTrees(layerTreeRoot.get(), layerImplTreeRoot.Pass(), &hostImpl);
EXPECT_EQ(scrollbarController, layerImplTreeRoot->scrollbarAnimationController());
EXPECT_EQ(100, ccScrollbarLayer->currentPos());
EXPECT_EQ(1000, ccScrollbarLayer->totalSize());
EXPECT_EQ(300, ccScrollbarLayer->maximum());
layerImplTreeRoot->scrollBy(gfx::Vector2d(12, 34));
EXPECT_EQ(112, ccScrollbarLayer->currentPos());
EXPECT_EQ(1000, ccScrollbarLayer->totalSize());
EXPECT_EQ(300, ccScrollbarLayer->maximum());
}
class ScrollbarLayerTestMaxTextureSize : public WebKitTests::ThreadedTest {
public:
ScrollbarLayerTestMaxTextureSize() {}
void setScrollbarBounds(gfx::Size bounds) {
m_bounds = bounds;
}
virtual void beginTest() OVERRIDE
{
scoped_ptr<WebKit::WebScrollbar> scrollbar(FakeWebScrollbar::create());
m_scrollbarLayer = ScrollbarLayer::create(scrollbar.Pass(), m_painter, WebKit::FakeWebScrollbarThemeGeometry::create(), 1);
m_scrollbarLayer->setBounds(m_bounds);
m_layerTreeHost->rootLayer()->addChild(m_scrollbarLayer);
m_scrollLayer = Layer::create();
m_scrollbarLayer->setScrollLayerId(m_scrollLayer->id());
m_layerTreeHost->rootLayer()->addChild(m_scrollLayer);
postSetNeedsCommitToMainThread();
}
virtual void commitCompleteOnThread(LayerTreeHostImpl* impl) OVERRIDE
{
m_layerTreeHost->initializeRendererIfNeeded();
const int kMaxTextureSize = m_layerTreeHost->rendererCapabilities().maxTextureSize;
// Check first that we're actually testing something.
EXPECT_GT(m_scrollbarLayer->bounds().width(), kMaxTextureSize);
EXPECT_EQ(m_scrollbarLayer->contentBounds().width(), kMaxTextureSize - 1);
EXPECT_EQ(m_scrollbarLayer->contentBounds().height(), kMaxTextureSize - 1);
endTest();
}
virtual void afterTest() OVERRIDE
{
}
private:
scoped_refptr<ScrollbarLayer> m_scrollbarLayer;
scoped_refptr<Layer> m_scrollLayer;
WebKit::WebScrollbarThemePainter m_painter;
gfx::Size m_bounds;
};
TEST_F(ScrollbarLayerTestMaxTextureSize, runTest) {
WebKit::FakeWebGraphicsContext3D context;
int max_size = 0;
context.getIntegerv(GL_MAX_TEXTURE_SIZE, &max_size);
setScrollbarBounds(gfx::Size(max_size + 100, max_size + 100));
runTest(true);
}
} // namespace
} // namespace cc
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