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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 "config.h"
#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_web_scrollbar_theme_geometry.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>
using 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)
{
DebugScopedSetImplThread impl;
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>(), 0);
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>(), 0);
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)
{
DebugScopedSetImplThread impl;
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->setScrollPosition(IntPoint(10, 20));
layerTreeRoot->setMaxScrollPosition(IntSize(30, 50));
contentLayer->setBounds(IntSize(100, 200));
scoped_ptr<LayerImpl> layerImplTreeRoot = TreeSynchronizer::synchronizeTrees(layerTreeRoot.get(), scoped_ptr<LayerImpl>(), 0);
ScrollbarLayerImpl* ccScrollbarLayer = static_cast<ScrollbarLayerImpl*>(layerImplTreeRoot->children()[1]);
EXPECT_EQ(10, ccScrollbarLayer->currentPos());
EXPECT_EQ(100, ccScrollbarLayer->totalSize());
EXPECT_EQ(30, ccScrollbarLayer->maximum());
layerTreeRoot->setScrollPosition(IntPoint(100, 200));
layerTreeRoot->setMaxScrollPosition(IntSize(300, 500));
contentLayer->setBounds(IntSize(1000, 2000));
ScrollbarAnimationController* scrollbarController = layerImplTreeRoot->scrollbarAnimationController();
layerImplTreeRoot = TreeSynchronizer::synchronizeTrees(layerTreeRoot.get(), layerImplTreeRoot.Pass(), 0);
EXPECT_EQ(scrollbarController, layerImplTreeRoot->scrollbarAnimationController());
EXPECT_EQ(100, ccScrollbarLayer->currentPos());
EXPECT_EQ(1000, ccScrollbarLayer->totalSize());
EXPECT_EQ(300, ccScrollbarLayer->maximum());
layerImplTreeRoot->scrollBy(FloatSize(12, 34));
EXPECT_EQ(112, ccScrollbarLayer->currentPos());
EXPECT_EQ(1000, ccScrollbarLayer->totalSize());
EXPECT_EQ(300, ccScrollbarLayer->maximum());
}
}
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