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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 "ui/views/debug_utils.h"
- #include <ostream>
- #include "base/logging.h"
- #include "ui/compositor/layer.h"
- #include "ui/views/view.h"
- #include "ui/views/widget/widget.h"
- #if !defined(NDEBUG)
- #include "ui/gfx/geometry/angle_conversions.h"
- #include "ui/gfx/geometry/transform_util.h"
- #endif
- namespace views {
- namespace {
- void PrintViewHierarchyImp(const View* view,
- size_t indent,
- std::ostringstream* out) {
- *out << std::string(indent, ' ');
- *out << view->GetClassName();
- *out << ' ';
- *out << view->GetID();
- *out << ' ';
- *out << view->x() << "," << view->y() << ",";
- *out << view->bounds().right() << "," << view->bounds().bottom();
- *out << ' ';
- *out << view;
- *out << '\n';
- for (const View* child : view->children())
- PrintViewHierarchyImp(child, indent + 2, out);
- }
- 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) {
- // 64-bit pointer = 16 bytes of hex + "0x" + '\0' = 19.
- const size_t kMaxPointerStringLength = 19;
- std::string result;
- // Node characteristics.
- char p[kMaxPointerStringLength];
- const std::string 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++;
- constexpr size_t kBoundsBufferSize = 512;
- char bounds_buffer[kBoundsBufferSize];
- // Information about current node.
- base::snprintf(p, kBoundsBufferSize, "%p", view);
- result.append(" N");
- result.append(p + 2);
- result.append(" [label=\"");
- result.append(class_name.substr(base_name_index).c_str());
- base::snprintf(bounds_buffer, kBoundsBufferSize,
- "\\n bounds: (%d, %d), (%dx%d)", view->bounds().x(),
- view->bounds().y(), view->bounds().width(),
- view->bounds().height());
- result.append(bounds_buffer);
- gfx::DecomposedTransform decomp;
- if (!view->GetTransform().IsIdentity() &&
- gfx::DecomposeTransform(&decomp, view->GetTransform())) {
- base::snprintf(bounds_buffer, kBoundsBufferSize,
- "\\n translation: (%f, %f)", decomp.translate[0],
- decomp.translate[1]);
- result.append(bounds_buffer);
- base::snprintf(bounds_buffer, kBoundsBufferSize, "\\n rotation: %3.2f",
- gfx::RadToDeg(std::acos(decomp.quaternion.w()) * 2));
- result.append(bounds_buffer);
- base::snprintf(bounds_buffer, kBoundsBufferSize,
- "\\n scale: (%2.4f, %2.4f)", decomp.scale[0],
- decomp.scale[1]);
- result.append(bounds_buffer);
- }
- 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()) {
- char pp[kMaxPointerStringLength];
- base::snprintf(pp, kMaxPointerStringLength, "%p", view->parent());
- result.append(" N");
- result.append(pp + 2);
- result.append(" -> N");
- result.append(p + 2);
- result.append("\n");
- }
- 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 PrintViewHierarchy(const View* view) {
- std::ostringstream out;
- PrintViewHierarchy(view, &out);
- // Error so users in the field can generate and upload logs.
- LOG(ERROR) << out.str();
- }
- void PrintViewHierarchy(const View* view, std::ostringstream* out) {
- *out << "View hierarchy:\n";
- PrintViewHierarchyImp(view, 0, out);
- }
- 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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