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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/views/debug_utils.h"
#include <ostream>
#include "base/logging.h"
#include "base/strings/stringprintf.h"
#include "ui/compositor/layer.h"
#include "ui/views/view.h"
#include "ui/views/widget/widget.h"
#if !defined(NDEBUG)
#include "base/numerics/angle_conversions.h"
#include "ui/gfx/geometry/decomposed_transform.h"
#include "ui/gfx/geometry/transform.h"
#endif
namespace views {
namespace {
void PrintFocusHierarchyImp(const View* view,
size_t indent,
std::ostringstream* out) {
*out << std::string(indent, ' ');
*out << view->GetClassName();
*out << ' ';
*out << view->GetID();
*out << ' ';
*out << view->GetClassName();
*out << ' ';
*out << view;
*out << '\n';
if (!view->children().empty()) {
PrintFocusHierarchyImp(view->children().front(), indent + 2, out);
}
const View* next_focusable = view->GetNextFocusableView();
if (next_focusable) {
PrintFocusHierarchyImp(next_focusable, indent, out);
}
}
#if !defined(NDEBUG)
std::string PrintViewGraphImpl(const View* view) {
std::string result;
const std::string_view class_name = view->GetClassName();
size_t base_name_index = class_name.find_last_of('/');
if (base_name_index == std::string::npos) {
base_name_index = 0;
} else {
base_name_index++;
}
// Information about current node.
result.append(" N");
result.append(base::StringPrintf("%p", view));
result.append(" [label=\"");
result.append(class_name.substr(base_name_index));
result.append(base::StringPrintf(
"\\n bounds: (%d, %d), (%dx%d)", view->bounds().x(), view->bounds().y(),
view->bounds().width(), view->bounds().height()));
if (!view->GetTransform().IsIdentity()) {
gfx::Vector2dF translation = view->GetTransform().To2dTranslation();
gfx::Vector2dF scale = view->GetTransform().To2dScale();
result.append(base::StringPrintf("\\n translation: (%f, %f)",
translation.x(), translation.y()));
result.append(
base::StringPrintf("\\n scale: (%2.4f, %2.4f)", scale.x(), scale.y()));
}
result.append("\"");
if (!view->parent()) {
result.append(", shape=box");
}
if (view->layer()) {
if (view->layer()->has_external_content()) {
result.append(", color=green");
} else {
result.append(", color=red");
}
if (view->layer()->fills_bounds_opaquely()) {
result.append(", style=filled");
}
}
result.append("]\n");
// Link to parent.
if (view->parent()) {
result.append(base::StringPrintf(" N%p -> N%p\n", view->parent(), view));
}
for (const View* child : view->children()) {
result.append(PrintViewGraphImpl(child));
}
return result;
}
#endif
} // namespace
void PrintWidgetInformation(const Widget& widget,
bool detailed,
std::ostringstream* out) {
*out << " name=" << widget.GetName();
*out << " (" << &widget << ")";
if (widget.parent()) {
*out << " parent=" << widget.parent();
} else {
*out << " parent=none";
}
const ui::Layer* layer = widget.GetLayer();
if (layer) {
*out << " layer=" << layer;
} else {
*out << " layer=none";
}
*out << (widget.is_top_level() ? " [top_level]" : " [!top_level]");
if (detailed) {
*out << (widget.IsActive() ? " [active]" : " [!active]");
*out << (widget.IsVisible() ? " [visible]" : " [!visible]");
}
*out << (widget.IsClosed() ? " [closed]" : "");
*out << (widget.IsMaximized() ? " [maximized]" : "");
*out << (widget.IsMinimized() ? " [minimized]" : "");
*out << (widget.IsFullscreen() ? " [fullscreen]" : "");
if (detailed) {
*out << " " << widget.GetWindowBoundsInScreen().ToString();
}
*out << '\n';
}
void PrintFocusHierarchy(const View* view) {
std::ostringstream out;
out << "Focus hierarchy:\n";
PrintFocusHierarchyImp(view, 0, &out);
// Error so users in the field can generate and upload logs.
LOG(ERROR) << out.str();
}
#if !defined(NDEBUG)
std::string PrintViewGraph(const View* view) {
return "digraph {\n" + PrintViewGraphImpl(view) + "}\n";
}
#endif
} // namespace views
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