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view_unittest.cc
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// 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 <stddef.h>
#include <map>
#include "base/i18n/rtl.h"
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "base/rand_util.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversions.h"
#include "build/build_config.h"
#include "cc/playback/display_item_list.h"
#include "cc/playback/display_item_list_settings.h"
#include "ui/base/accelerators/accelerator.h"
#include "ui/base/clipboard/clipboard.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/compositor/compositor.h"
#include "ui/compositor/layer.h"
#include "ui/compositor/layer_animator.h"
#include "ui/compositor/paint_context.h"
#include "ui/compositor/test/draw_waiter_for_test.h"
#include "ui/events/event.h"
#include "ui/events/event_utils.h"
#include "ui/events/keycodes/keyboard_codes.h"
#include "ui/events/scoped_target_handler.h"
#include "ui/gfx/canvas.h"
#include "ui/gfx/path.h"
#include "ui/gfx/transform.h"
#include "ui/strings/grit/ui_strings.h"
#include "ui/views/background.h"
#include "ui/views/controls/native/native_view_host.h"
#include "ui/views/controls/scroll_view.h"
#include "ui/views/controls/textfield/textfield.h"
#include "ui/views/focus/view_storage.h"
#include "ui/views/test/views_test_base.h"
#include "ui/views/view.h"
#include "ui/views/widget/native_widget.h"
#include "ui/views/widget/root_view.h"
#include "ui/views/window/dialog_client_view.h"
#include "ui/views/window/dialog_delegate.h"
using base::ASCIIToUTF16;
namespace {
// Returns true if |ancestor| is an ancestor of |layer|.
bool LayerIsAncestor(const ui::Layer* ancestor, const ui::Layer* layer) {
while (layer && layer != ancestor)
layer = layer->parent();
return layer == ancestor;
}
// Convenience functions for walking a View tree.
const views::View* FirstView(const views::View* view) {
const views::View* v = view;
while (v->has_children())
v = v->child_at(0);
return v;
}
const views::View* NextView(const views::View* view) {
const views::View* v = view;
const views::View* parent = v->parent();
if (!parent)
return NULL;
int next = parent->GetIndexOf(v) + 1;
if (next != parent->child_count())
return FirstView(parent->child_at(next));
return parent;
}
// Convenience functions for walking a Layer tree.
const ui::Layer* FirstLayer(const ui::Layer* layer) {
const ui::Layer* l = layer;
while (l->children().size() > 0)
l = l->children()[0];
return l;
}
const ui::Layer* NextLayer(const ui::Layer* layer) {
const ui::Layer* parent = layer->parent();
if (!parent)
return NULL;
const std::vector<ui::Layer*> children = parent->children();
size_t index;
for (index = 0; index < children.size(); index++) {
if (children[index] == layer)
break;
}
size_t next = index + 1;
if (next < children.size())
return FirstLayer(children[next]);
return parent;
}
// Given the root nodes of a View tree and a Layer tree, makes sure the two
// trees are in sync.
bool ViewAndLayerTreeAreConsistent(const views::View* view,
const ui::Layer* layer) {
const views::View* v = FirstView(view);
const ui::Layer* l = FirstLayer(layer);
while (v && l) {
// Find the view with a layer.
while (v && !v->layer())
v = NextView(v);
EXPECT_TRUE(v);
if (!v)
return false;
// Check if the View tree and the Layer tree are in sync.
EXPECT_EQ(l, v->layer());
if (v->layer() != l)
return false;
// Check if the visibility states of the View and the Layer are in sync.
EXPECT_EQ(l->IsDrawn(), v->IsDrawn());
if (v->IsDrawn() != l->IsDrawn()) {
for (const views::View* vv = v; vv; vv = vv->parent())
LOG(ERROR) << "V: " << vv << " " << vv->visible() << " "
<< vv->IsDrawn() << " " << vv->layer();
for (const ui::Layer* ll = l; ll; ll = ll->parent())
LOG(ERROR) << "L: " << ll << " " << ll->IsDrawn();
return false;
}
// Check if the size of the View and the Layer are in sync.
EXPECT_EQ(l->bounds(), v->bounds());
if (v->bounds() != l->bounds())
return false;
if (v == view || l == layer)
return v == view && l == layer;
v = NextView(v);
l = NextLayer(l);
}
return false;
}
// Constructs a View tree with the specified depth.
void ConstructTree(views::View* view, int depth) {
if (depth == 0)
return;
int count = base::RandInt(1, 5);
for (int i = 0; i < count; i++) {
views::View* v = new views::View;
view->AddChildView(v);
if (base::RandDouble() > 0.5)
v->SetPaintToLayer(true);
if (base::RandDouble() < 0.2)
v->SetVisible(false);
ConstructTree(v, depth - 1);
}
}
void ScrambleTree(views::View* view) {
int count = view->child_count();
if (count == 0)
return;
for (int i = 0; i < count; i++) {
ScrambleTree(view->child_at(i));
}
if (count > 1) {
int a = base::RandInt(0, count - 1);
int b = base::RandInt(0, count - 1);
views::View* view_a = view->child_at(a);
views::View* view_b = view->child_at(b);
view->ReorderChildView(view_a, b);
view->ReorderChildView(view_b, a);
}
if (!view->layer() && base::RandDouble() < 0.1)
view->SetPaintToLayer(true);
if (base::RandDouble() < 0.1)
view->SetVisible(!view->visible());
}
class ScopedRTL {
public:
ScopedRTL() {
locale_ = base::i18n::GetConfiguredLocale();
base::i18n::SetICUDefaultLocale("he");
}
~ScopedRTL() { base::i18n::SetICUDefaultLocale(locale_); }
private:
std::string locale_;
};
} // namespace
namespace views {
typedef ViewsTestBase ViewTest;
// A derived class for testing purpose.
class TestView : public View {
public:
TestView()
: View(),
did_layout_(false),
delete_on_pressed_(false),
did_paint_(false),
native_theme_(NULL),
can_process_events_within_subtree_(true) {}
~TestView() override {}
// Reset all test state
void Reset() {
did_change_bounds_ = false;
did_layout_ = false;
last_mouse_event_type_ = 0;
location_.SetPoint(0, 0);
received_mouse_enter_ = false;
received_mouse_exit_ = false;
did_paint_ = false;
accelerator_count_map_.clear();
can_process_events_within_subtree_ = true;
}
// Exposed as public for testing.
void DoFocus() {
views::View::Focus();
}
void DoBlur() {
views::View::Blur();
}
bool focusable() const { return View::focusable(); }
void set_can_process_events_within_subtree(bool can_process) {
can_process_events_within_subtree_ = can_process;
}
bool CanProcessEventsWithinSubtree() const override {
return can_process_events_within_subtree_;
}
void Layout() override {
did_layout_ = true;
View::Layout();
}
void OnBoundsChanged(const gfx::Rect& previous_bounds) override;
bool OnMousePressed(const ui::MouseEvent& event) override;
bool OnMouseDragged(const ui::MouseEvent& event) override;
void OnMouseReleased(const ui::MouseEvent& event) override;
void OnMouseEntered(const ui::MouseEvent& event) override;
void OnMouseExited(const ui::MouseEvent& event) override;
void OnPaint(gfx::Canvas* canvas) override;
void SchedulePaintInRect(const gfx::Rect& rect) override;
bool AcceleratorPressed(const ui::Accelerator& accelerator) override;
void OnNativeThemeChanged(const ui::NativeTheme* native_theme) override;
// OnBoundsChanged.
bool did_change_bounds_;
gfx::Rect new_bounds_;
// Layout.
bool did_layout_;
// MouseEvent.
int last_mouse_event_type_;
gfx::Point location_;
bool received_mouse_enter_;
bool received_mouse_exit_;
bool delete_on_pressed_;
// Painting.
std::vector<gfx::Rect> scheduled_paint_rects_;
bool did_paint_;
// Accelerators.
std::map<ui::Accelerator, int> accelerator_count_map_;
// Native theme.
const ui::NativeTheme* native_theme_;
// Value to return from CanProcessEventsWithinSubtree().
bool can_process_events_within_subtree_;
};
////////////////////////////////////////////////////////////////////////////////
// Layout
////////////////////////////////////////////////////////////////////////////////
TEST_F(ViewTest, LayoutCalledInvalidateAndOriginChanges) {
TestView parent;
TestView* child = new TestView;
gfx::Rect parent_rect(0, 0, 100, 100);
parent.SetBoundsRect(parent_rect);
parent.Reset();
// |AddChildView| invalidates parent's layout.
parent.AddChildView(child);
// Change rect so that only rect's origin is affected.
parent.SetBoundsRect(parent_rect + gfx::Vector2d(10, 0));
EXPECT_TRUE(parent.did_layout_);
// After child layout is invalidated, parent and child must be laid out
// during parent->BoundsChanged(...) call.
parent.Reset();
child->Reset();
child->InvalidateLayout();
parent.SetBoundsRect(parent_rect + gfx::Vector2d(20, 0));
EXPECT_TRUE(parent.did_layout_);
EXPECT_TRUE(child->did_layout_);
}
////////////////////////////////////////////////////////////////////////////////
// OnBoundsChanged
////////////////////////////////////////////////////////////////////////////////
void TestView::OnBoundsChanged(const gfx::Rect& previous_bounds) {
did_change_bounds_ = true;
new_bounds_ = bounds();
}
TEST_F(ViewTest, OnBoundsChanged) {
TestView v;
gfx::Rect prev_rect(0, 0, 200, 200);
gfx::Rect new_rect(100, 100, 250, 250);
v.SetBoundsRect(prev_rect);
v.Reset();
v.SetBoundsRect(new_rect);
EXPECT_TRUE(v.did_change_bounds_);
EXPECT_EQ(v.new_bounds_, new_rect);
EXPECT_EQ(v.bounds(), new_rect);
}
////////////////////////////////////////////////////////////////////////////////
// MouseEvent
////////////////////////////////////////////////////////////////////////////////
bool TestView::OnMousePressed(const ui::MouseEvent& event) {
last_mouse_event_type_ = event.type();
location_.SetPoint(event.x(), event.y());
if (delete_on_pressed_)
delete this;
return true;
}
bool TestView::OnMouseDragged(const ui::MouseEvent& event) {
last_mouse_event_type_ = event.type();
location_.SetPoint(event.x(), event.y());
return true;
}
void TestView::OnMouseReleased(const ui::MouseEvent& event) {
last_mouse_event_type_ = event.type();
location_.SetPoint(event.x(), event.y());
}
void TestView::OnMouseEntered(const ui::MouseEvent& event) {
received_mouse_enter_ = true;
}
void TestView::OnMouseExited(const ui::MouseEvent& event) {
received_mouse_exit_ = true;
}
TEST_F(ViewTest, MouseEvent) {
TestView* v1 = new TestView();
v1->SetBoundsRect(gfx::Rect(0, 0, 300, 300));
TestView* v2 = new TestView();
v2->SetBoundsRect(gfx::Rect(100, 100, 100, 100));
scoped_ptr<Widget> widget(new Widget);
Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
params.bounds = gfx::Rect(50, 50, 650, 650);
widget->Init(params);
internal::RootView* root =
static_cast<internal::RootView*>(widget->GetRootView());
root->AddChildView(v1);
v1->AddChildView(v2);
v1->Reset();
v2->Reset();
gfx::Point p1(110, 120);
ui::MouseEvent pressed(ui::ET_MOUSE_PRESSED, p1, p1, ui::EventTimeForNow(),
ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
root->OnMousePressed(pressed);
EXPECT_EQ(v2->last_mouse_event_type_, ui::ET_MOUSE_PRESSED);
EXPECT_EQ(v2->location_.x(), 10);
EXPECT_EQ(v2->location_.y(), 20);
// Make sure v1 did not receive the event
EXPECT_EQ(v1->last_mouse_event_type_, 0);
// Drag event out of bounds. Should still go to v2
v1->Reset();
v2->Reset();
gfx::Point p2(50, 40);
ui::MouseEvent dragged(ui::ET_MOUSE_DRAGGED, p2, p2, ui::EventTimeForNow(),
ui::EF_LEFT_MOUSE_BUTTON, 0);
root->OnMouseDragged(dragged);
EXPECT_EQ(v2->last_mouse_event_type_, ui::ET_MOUSE_DRAGGED);
EXPECT_EQ(v2->location_.x(), -50);
EXPECT_EQ(v2->location_.y(), -60);
// Make sure v1 did not receive the event
EXPECT_EQ(v1->last_mouse_event_type_, 0);
// Releasted event out of bounds. Should still go to v2
v1->Reset();
v2->Reset();
ui::MouseEvent released(ui::ET_MOUSE_RELEASED, gfx::Point(), gfx::Point(),
ui::EventTimeForNow(), 0, 0);
root->OnMouseDragged(released);
EXPECT_EQ(v2->last_mouse_event_type_, ui::ET_MOUSE_RELEASED);
EXPECT_EQ(v2->location_.x(), -100);
EXPECT_EQ(v2->location_.y(), -100);
// Make sure v1 did not receive the event
EXPECT_EQ(v1->last_mouse_event_type_, 0);
widget->CloseNow();
}
// Confirm that a view can be deleted as part of processing a mouse press.
TEST_F(ViewTest, DeleteOnPressed) {
TestView* v1 = new TestView();
v1->SetBoundsRect(gfx::Rect(0, 0, 300, 300));
TestView* v2 = new TestView();
v2->SetBoundsRect(gfx::Rect(100, 100, 100, 100));
v1->Reset();
v2->Reset();
scoped_ptr<Widget> widget(new Widget);
Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
params.bounds = gfx::Rect(50, 50, 650, 650);
widget->Init(params);
View* root = widget->GetRootView();
root->AddChildView(v1);
v1->AddChildView(v2);
v2->delete_on_pressed_ = true;
gfx::Point point(110, 120);
ui::MouseEvent pressed(ui::ET_MOUSE_PRESSED, point, point,
ui::EventTimeForNow(), ui::EF_LEFT_MOUSE_BUTTON,
ui::EF_LEFT_MOUSE_BUTTON);
root->OnMousePressed(pressed);
EXPECT_EQ(0, v1->child_count());
widget->CloseNow();
}
////////////////////////////////////////////////////////////////////////////////
// Painting
////////////////////////////////////////////////////////////////////////////////
void TestView::OnPaint(gfx::Canvas* canvas) {
did_paint_ = true;
}
namespace {
// Helper class to create a Widget with standard parameters that is closed when
// the helper class goes out of scope.
class ScopedTestPaintWidget {
public:
explicit ScopedTestPaintWidget(const Widget::InitParams& params)
: widget_(new Widget) {
widget_->Init(params);
widget_->GetRootView()->SetBounds(0, 0, 25, 26);
}
~ScopedTestPaintWidget() {
widget_->CloseNow();
}
Widget* operator->() { return widget_; }
private:
Widget* widget_;
DISALLOW_COPY_AND_ASSIGN(ScopedTestPaintWidget);
};
} // namespace
TEST_F(ViewTest, PaintEmptyView) {
ScopedTestPaintWidget widget(CreateParams(Widget::InitParams::TYPE_POPUP));
View* root_view = widget->GetRootView();
// |v1| is empty.
TestView* v1 = new TestView;
v1->SetBounds(10, 11, 0, 1);
root_view->AddChildView(v1);
// |v11| is a child of an empty |v1|.
TestView* v11 = new TestView;
v11->SetBounds(3, 4, 6, 5);
v1->AddChildView(v11);
// |v2| is not.
TestView* v2 = new TestView;
v2->SetBounds(3, 4, 6, 5);
root_view->AddChildView(v2);
// Paint "everything".
gfx::Rect first_paint(1, 1);
scoped_refptr<cc::DisplayItemList> list =
cc::DisplayItemList::Create(first_paint, cc::DisplayItemListSettings());
root_view->Paint(ui::PaintContext(list.get(), 1.f, first_paint));
// The empty view has nothing to paint so it doesn't try build a cache, nor do
// its children which would be clipped by its (empty) self.
EXPECT_FALSE(v1->did_paint_);
EXPECT_FALSE(v11->did_paint_);
EXPECT_TRUE(v2->did_paint_);
}
TEST_F(ViewTest, PaintWithMovedViewUsesCache) {
ScopedTestPaintWidget widget(CreateParams(Widget::InitParams::TYPE_POPUP));
View* root_view = widget->GetRootView();
TestView* v1 = new TestView;
v1->SetBounds(10, 11, 12, 13);
root_view->AddChildView(v1);
// Paint everything once, since it has to build its cache. Then we can test
// invalidation.
gfx::Rect pixel_rect = gfx::Rect(1, 1);
float device_scale_factor = 1.f;
scoped_refptr<cc::DisplayItemList> list =
cc::DisplayItemList::Create(pixel_rect, cc::DisplayItemListSettings());
root_view->Paint(
ui::PaintContext(list.get(), device_scale_factor, pixel_rect));
EXPECT_TRUE(v1->did_paint_);
v1->Reset();
// The visual rects for (clip, drawing, transform) should be in layer space.
gfx::Rect expected_visual_rect_in_layer_space(10, 11, 12, 13);
int item_index = 3;
EXPECT_EQ(expected_visual_rect_in_layer_space,
list->VisualRectForTesting(item_index++));
EXPECT_EQ(expected_visual_rect_in_layer_space,
list->VisualRectForTesting(item_index++));
EXPECT_EQ(expected_visual_rect_in_layer_space,
list->VisualRectForTesting(item_index));
// If invalidation doesn't intersect v1, we paint with the cache.
list = cc::DisplayItemList::Create(pixel_rect, cc::DisplayItemListSettings());
root_view->Paint(
ui::PaintContext(list.get(), device_scale_factor, pixel_rect));
EXPECT_FALSE(v1->did_paint_);
v1->Reset();
// If invalidation does intersect v1, we don't paint with the cache.
list = cc::DisplayItemList::Create(pixel_rect, cc::DisplayItemListSettings());
root_view->Paint(
ui::PaintContext(list.get(), device_scale_factor, v1->bounds()));
EXPECT_TRUE(v1->did_paint_);
v1->Reset();
// Moving the view should still use the cache when the invalidation doesn't
// intersect v1.
list = cc::DisplayItemList::Create(pixel_rect, cc::DisplayItemListSettings());
v1->SetX(9);
root_view->Paint(
ui::PaintContext(list.get(), device_scale_factor, pixel_rect));
EXPECT_FALSE(v1->did_paint_);
v1->Reset();
item_index = 3;
expected_visual_rect_in_layer_space.SetRect(9, 11, 12, 13);
EXPECT_EQ(expected_visual_rect_in_layer_space,
list->VisualRectForTesting(item_index++));
EXPECT_EQ(expected_visual_rect_in_layer_space,
list->VisualRectForTesting(item_index++));
EXPECT_EQ(expected_visual_rect_in_layer_space,
list->VisualRectForTesting(item_index));
// Moving the view should not use the cache when painting without
// invalidation.
list = cc::DisplayItemList::Create(pixel_rect, cc::DisplayItemListSettings());
v1->SetX(8);
root_view->Paint(ui::PaintContext(
ui::PaintContext(list.get(), device_scale_factor, pixel_rect),
ui::PaintContext::CLONE_WITHOUT_INVALIDATION));
EXPECT_TRUE(v1->did_paint_);
v1->Reset();
item_index = 3;
expected_visual_rect_in_layer_space.SetRect(8, 11, 12, 13);
EXPECT_EQ(expected_visual_rect_in_layer_space,
list->VisualRectForTesting(item_index++));
EXPECT_EQ(expected_visual_rect_in_layer_space,
list->VisualRectForTesting(item_index++));
EXPECT_EQ(expected_visual_rect_in_layer_space,
list->VisualRectForTesting(item_index));
}
TEST_F(ViewTest, PaintWithMovedViewUsesCacheInRTL) {
ScopedRTL rtl;
ScopedTestPaintWidget widget(CreateParams(Widget::InitParams::TYPE_POPUP));
View* root_view = widget->GetRootView();
TestView* v1 = new TestView;
v1->SetBounds(10, 11, 12, 13);
root_view->AddChildView(v1);
// Paint everything once, since it has to build its cache. Then we can test
// invalidation.
gfx::Rect pixel_rect = gfx::Rect(1, 1);
float device_scale_factor = 1.f;
scoped_refptr<cc::DisplayItemList> list =
cc::DisplayItemList::Create(pixel_rect, cc::DisplayItemListSettings());
root_view->Paint(
ui::PaintContext(list.get(), device_scale_factor, pixel_rect));
EXPECT_TRUE(v1->did_paint_);
v1->Reset();
// The visual rects for (clip, drawing, transform) should be in layer space.
// x: 25 - 10(x) - 12(width) = 3
gfx::Rect expected_visual_rect_in_layer_space(3, 11, 12, 13);
int item_index = 3;
EXPECT_EQ(expected_visual_rect_in_layer_space,
list->VisualRectForTesting(item_index++));
EXPECT_EQ(expected_visual_rect_in_layer_space,
list->VisualRectForTesting(item_index++));
EXPECT_EQ(expected_visual_rect_in_layer_space,
list->VisualRectForTesting(item_index));
// If invalidation doesn't intersect v1, we paint with the cache.
list = cc::DisplayItemList::Create(pixel_rect, cc::DisplayItemListSettings());
root_view->Paint(
ui::PaintContext(list.get(), device_scale_factor, pixel_rect));
EXPECT_FALSE(v1->did_paint_);
v1->Reset();
// If invalidation does intersect v1, we don't paint with the cache.
list = cc::DisplayItemList::Create(pixel_rect, cc::DisplayItemListSettings());
root_view->Paint(
ui::PaintContext(list.get(), device_scale_factor, v1->bounds()));
EXPECT_TRUE(v1->did_paint_);
v1->Reset();
// Moving the view should still use the cache when the invalidation doesn't
// intersect v1.
list = cc::DisplayItemList::Create(pixel_rect, cc::DisplayItemListSettings());
v1->SetX(9);
root_view->Paint(
ui::PaintContext(list.get(), device_scale_factor, pixel_rect));
EXPECT_FALSE(v1->did_paint_);
v1->Reset();
item_index = 3;
// x: 25 - 9(x) - 12(width) = 4
expected_visual_rect_in_layer_space.SetRect(4, 11, 12, 13);
EXPECT_EQ(expected_visual_rect_in_layer_space,
list->VisualRectForTesting(item_index++));
EXPECT_EQ(expected_visual_rect_in_layer_space,
list->VisualRectForTesting(item_index++));
EXPECT_EQ(expected_visual_rect_in_layer_space,
list->VisualRectForTesting(item_index));
// Moving the view should not use the cache when painting without
// invalidation.
list = cc::DisplayItemList::Create(pixel_rect, cc::DisplayItemListSettings());
v1->SetX(8);
root_view->Paint(ui::PaintContext(
ui::PaintContext(list.get(), device_scale_factor, pixel_rect),
ui::PaintContext::CLONE_WITHOUT_INVALIDATION));
EXPECT_TRUE(v1->did_paint_);
v1->Reset();
item_index = 3;
// x: 25 - 8(x) - 12(width) = 5
expected_visual_rect_in_layer_space.SetRect(5, 11, 12, 13);
EXPECT_EQ(expected_visual_rect_in_layer_space,
list->VisualRectForTesting(item_index++));
EXPECT_EQ(expected_visual_rect_in_layer_space,
list->VisualRectForTesting(item_index++));
EXPECT_EQ(expected_visual_rect_in_layer_space,
list->VisualRectForTesting(item_index));
}
TEST_F(ViewTest, PaintWithUnknownInvalidation) {
ScopedTestPaintWidget widget(CreateParams(Widget::InitParams::TYPE_POPUP));
View* root_view = widget->GetRootView();
TestView* v1 = new TestView;
v1->SetBounds(10, 11, 12, 13);
root_view->AddChildView(v1);
TestView* v2 = new TestView;
v2->SetBounds(3, 4, 6, 5);
v1->AddChildView(v2);
// Paint everything once, since it has to build its cache. Then we can test
// invalidation.
gfx::Rect first_paint(1, 1);
scoped_refptr<cc::DisplayItemList> list =
cc::DisplayItemList::Create(first_paint, cc::DisplayItemListSettings());
root_view->Paint(ui::PaintContext(list.get(), 1.f, first_paint));
v1->Reset();
v2->Reset();
gfx::Rect paint_area(1, 1);
gfx::Rect root_area(root_view->size());
list = cc::DisplayItemList::Create(root_area, cc::DisplayItemListSettings());
// With a known invalidation, v1 and v2 are not painted.
EXPECT_FALSE(v1->did_paint_);
EXPECT_FALSE(v2->did_paint_);
root_view->Paint(ui::PaintContext(list.get(), 1.f, paint_area));
EXPECT_FALSE(v1->did_paint_);
EXPECT_FALSE(v2->did_paint_);
// With unknown invalidation, v1 and v2 are painted.
root_view->Paint(
ui::PaintContext(ui::PaintContext(list.get(), 1.f, paint_area),
ui::PaintContext::CLONE_WITHOUT_INVALIDATION));
EXPECT_TRUE(v1->did_paint_);
EXPECT_TRUE(v2->did_paint_);
}
TEST_F(ViewTest, PaintContainsChildren) {
ScopedTestPaintWidget widget(CreateParams(Widget::InitParams::TYPE_POPUP));
View* root_view = widget->GetRootView();
TestView* v1 = new TestView;
v1->SetBounds(10, 11, 12, 13);
root_view->AddChildView(v1);
TestView* v2 = new TestView;
v2->SetBounds(3, 4, 6, 5);
v1->AddChildView(v2);
// Paint everything once, since it has to build its cache. Then we can test
// invalidation.
gfx::Rect first_paint(1, 1);
scoped_refptr<cc::DisplayItemList> list =
cc::DisplayItemList::Create(first_paint, cc::DisplayItemListSettings());
root_view->Paint(ui::PaintContext(list.get(), 1.f, first_paint));
v1->Reset();
v2->Reset();
gfx::Rect paint_area(25, 26);
gfx::Rect root_area(root_view->size());
list = cc::DisplayItemList::Create(root_area, cc::DisplayItemListSettings());
EXPECT_FALSE(v1->did_paint_);
EXPECT_FALSE(v2->did_paint_);
root_view->Paint(ui::PaintContext(list.get(), 1.f, paint_area));
EXPECT_TRUE(v1->did_paint_);
EXPECT_TRUE(v2->did_paint_);
}
TEST_F(ViewTest, PaintContainsChildrenInRTL) {
ScopedRTL rtl;
ScopedTestPaintWidget widget(CreateParams(Widget::InitParams::TYPE_POPUP));
View* root_view = widget->GetRootView();
TestView* v1 = new TestView;
v1->SetBounds(10, 11, 12, 13);
root_view->AddChildView(v1);
TestView* v2 = new TestView;
v2->SetBounds(3, 4, 6, 5);
v1->AddChildView(v2);
// Verify where the layers actually appear.
v1->SetPaintToLayer(true);
// x: 25 - 10(x) - 12(width) = 3
EXPECT_EQ(gfx::Rect(3, 11, 12, 13), v1->layer()->bounds());
v1->SetPaintToLayer(false);
v2->SetPaintToLayer(true);
// x: 25 - 10(parent x) - 3(x) - 6(width) = 6
EXPECT_EQ(gfx::Rect(6, 15, 6, 5), v2->layer()->bounds());
v2->SetPaintToLayer(false);
// Paint everything once, since it has to build its cache. Then we can test
// invalidation.
gfx::Rect first_paint(1, 1);
scoped_refptr<cc::DisplayItemList> list =
cc::DisplayItemList::Create(first_paint, cc::DisplayItemListSettings());
root_view->Paint(ui::PaintContext(list.get(), 1.f, first_paint));
v1->Reset();
v2->Reset();
gfx::Rect paint_area(25, 26);
gfx::Rect root_area(root_view->size());
list = cc::DisplayItemList::Create(root_area, cc::DisplayItemListSettings());
EXPECT_FALSE(v1->did_paint_);
EXPECT_FALSE(v2->did_paint_);
root_view->Paint(ui::PaintContext(list.get(), 1.f, paint_area));
EXPECT_TRUE(v1->did_paint_);
EXPECT_TRUE(v2->did_paint_);
}
TEST_F(ViewTest, PaintIntersectsChildren) {
ScopedTestPaintWidget widget(CreateParams(Widget::InitParams::TYPE_POPUP));
View* root_view = widget->GetRootView();
TestView* v1 = new TestView;
v1->SetBounds(10, 11, 12, 13);
root_view->AddChildView(v1);
TestView* v2 = new TestView;
v2->SetBounds(3, 4, 6, 5);
v1->AddChildView(v2);
// Paint everything once, since it has to build its cache. Then we can test
// invalidation.
gfx::Rect first_paint(1, 1);
scoped_refptr<cc::DisplayItemList> list =
cc::DisplayItemList::Create(first_paint, cc::DisplayItemListSettings());
root_view->Paint(ui::PaintContext(list.get(), 1.f, first_paint));
v1->Reset();
v2->Reset();
gfx::Rect paint_area(9, 10, 5, 6);
gfx::Rect root_area(root_view->size());
list = cc::DisplayItemList::Create(root_area, cc::DisplayItemListSettings());
EXPECT_FALSE(v1->did_paint_);
EXPECT_FALSE(v2->did_paint_);
root_view->Paint(ui::PaintContext(list.get(), 1.f, paint_area));
EXPECT_TRUE(v1->did_paint_);
EXPECT_TRUE(v2->did_paint_);
}
TEST_F(ViewTest, PaintIntersectsChildrenInRTL) {
ScopedRTL rtl;
ScopedTestPaintWidget widget(CreateParams(Widget::InitParams::TYPE_POPUP));
View* root_view = widget->GetRootView();
TestView* v1 = new TestView;
v1->SetBounds(10, 11, 12, 13);
root_view->AddChildView(v1);
TestView* v2 = new TestView;
v2->SetBounds(3, 4, 6, 5);
v1->AddChildView(v2);
// Verify where the layers actually appear.
v1->SetPaintToLayer(true);
// x: 25 - 10(x) - 12(width) = 3
EXPECT_EQ(gfx::Rect(3, 11, 12, 13), v1->layer()->bounds());
v1->SetPaintToLayer(false);
v2->SetPaintToLayer(true);
// x: 25 - 10(parent x) - 3(x) - 6(width) = 6
EXPECT_EQ(gfx::Rect(6, 15, 6, 5), v2->layer()->bounds());
v2->SetPaintToLayer(false);
// Paint everything once, since it has to build its cache. Then we can test
// invalidation.
gfx::Rect first_paint(1, 1);
scoped_refptr<cc::DisplayItemList> list =
cc::DisplayItemList::Create(first_paint, cc::DisplayItemListSettings());
root_view->Paint(ui::PaintContext(list.get(), 1.f, first_paint));
v1->Reset();
v2->Reset();
gfx::Rect paint_area(2, 10, 5, 6);
gfx::Rect root_area(root_view->size());
list = cc::DisplayItemList::Create(root_area, cc::DisplayItemListSettings());
EXPECT_FALSE(v1->did_paint_);
EXPECT_FALSE(v2->did_paint_);
root_view->Paint(ui::PaintContext(list.get(), 1.f, paint_area));
EXPECT_TRUE(v1->did_paint_);
EXPECT_TRUE(v2->did_paint_);
}
TEST_F(ViewTest, PaintIntersectsChildButNotGrandChild) {
ScopedTestPaintWidget widget(CreateParams(Widget::InitParams::TYPE_POPUP));
View* root_view = widget->GetRootView();
TestView* v1 = new TestView;
v1->SetBounds(10, 11, 12, 13);
root_view->AddChildView(v1);
TestView* v2 = new TestView;
v2->SetBounds(3, 4, 6, 5);
v1->AddChildView(v2);
// Paint everything once, since it has to build its cache. Then we can test
// invalidation.
gfx::Rect first_paint(1, 1);
scoped_refptr<cc::DisplayItemList> list =
cc::DisplayItemList::Create(first_paint, cc::DisplayItemListSettings());
root_view->Paint(ui::PaintContext(list.get(), 1.f, first_paint));
v1->Reset();
v2->Reset();
gfx::Rect paint_area(9, 10, 2, 3);
gfx::Rect root_area(root_view->size());
list = cc::DisplayItemList::Create(root_area, cc::DisplayItemListSettings());
EXPECT_FALSE(v1->did_paint_);
EXPECT_FALSE(v2->did_paint_);
root_view->Paint(ui::PaintContext(list.get(), 1.f, paint_area));
EXPECT_TRUE(v1->did_paint_);
EXPECT_FALSE(v2->did_paint_);
}
TEST_F(ViewTest, PaintIntersectsChildButNotGrandChildInRTL) {
ScopedRTL rtl;
ScopedTestPaintWidget widget(CreateParams(Widget::InitParams::TYPE_POPUP));
View* root_view = widget->GetRootView();
TestView* v1 = new TestView;
v1->SetBounds(10, 11, 12, 13);
root_view->AddChildView(v1);
TestView* v2 = new TestView;
v2->SetBounds(3, 4, 6, 5);
v1->AddChildView(v2);
// Verify where the layers actually appear.
v1->SetPaintToLayer(true);
// x: 25 - 10(x) - 12(width) = 3
EXPECT_EQ(gfx::Rect(3, 11, 12, 13), v1->layer()->bounds());
v1->SetPaintToLayer(false);
v2->SetPaintToLayer(true);
// x: 25 - 10(parent x) - 3(x) - 6(width) = 6
EXPECT_EQ(gfx::Rect(6, 15, 6, 5), v2->layer()->bounds());
v2->SetPaintToLayer(false);
// Paint everything once, since it has to build its cache. Then we can test
// invalidation.
gfx::Rect first_paint(1, 1);
scoped_refptr<cc::DisplayItemList> list =
cc::DisplayItemList::Create(first_paint, cc::DisplayItemListSettings());
root_view->Paint(ui::PaintContext(list.get(), 1.f, first_paint));
v1->Reset();
v2->Reset();
gfx::Rect paint_area(2, 10, 2, 3);
gfx::Rect root_area(root_view->size());
list = cc::DisplayItemList::Create(root_area, cc::DisplayItemListSettings());
EXPECT_FALSE(v1->did_paint_);
EXPECT_FALSE(v2->did_paint_);
root_view->Paint(ui::PaintContext(list.get(), 1.f, paint_area));
EXPECT_TRUE(v1->did_paint_);
EXPECT_FALSE(v2->did_paint_);
}
TEST_F(ViewTest, PaintIntersectsNoChildren) {
ScopedTestPaintWidget widget(CreateParams(Widget::InitParams::TYPE_POPUP));
View* root_view = widget->GetRootView();
TestView* v1 = new TestView;
v1->SetBounds(10, 11, 12, 13);
root_view->AddChildView(v1);
TestView* v2 = new TestView;
v2->SetBounds(3, 4, 6, 5);
v1->AddChildView(v2);
// Paint everything once, since it has to build its cache. Then we can test
// invalidation.
gfx::Rect first_paint(1, 1);
scoped_refptr<cc::DisplayItemList> list =
cc::DisplayItemList::Create(first_paint, cc::DisplayItemListSettings());
root_view->Paint(ui::PaintContext(list.get(), 1.f, first_paint));
v1->Reset();
v2->Reset();
gfx::Rect paint_area(9, 10, 2, 1);
gfx::Rect root_area(root_view->size());
list = cc::DisplayItemList::Create(root_area, cc::DisplayItemListSettings());
EXPECT_FALSE(v1->did_paint_);
EXPECT_FALSE(v2->did_paint_);
root_view->Paint(ui::PaintContext(list.get(), 1.f, paint_area));
EXPECT_FALSE(v1->did_paint_);
EXPECT_FALSE(v2->did_paint_);
}
TEST_F(ViewTest, PaintIntersectsNoChildrenInRTL) {
ScopedRTL rtl;
ScopedTestPaintWidget widget(CreateParams(Widget::InitParams::TYPE_POPUP));
View* root_view = widget->GetRootView();
TestView* v1 = new TestView;