| // Copyright 2020 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. |
| |
| #ifndef UI_VIEWS_VIEW_UTILS_H_ |
| #define UI_VIEWS_VIEW_UTILS_H_ |
| |
| #include <memory> |
| #include <string> |
| #include <type_traits> |
| #include <vector> |
| |
| #include "base/debug/stack_trace.h" |
| #include "ui/base/class_property.h" |
| #include "ui/base/metadata/metadata_types.h" |
| #include "ui/views/debug/debugger_utils.h" |
| #include "ui/views/view.h" |
| #include "ui/views/views_export.h" |
| |
| namespace views { |
| |
| VIEWS_EXPORT extern const ui::ClassProperty<base::debug::StackTrace*>* const |
| kViewStackTraceKey; |
| |
| class ViewDebugWrapperImpl : public debug::ViewDebugWrapper { |
| public: |
| explicit ViewDebugWrapperImpl(View* view); |
| ViewDebugWrapperImpl(const ViewDebugWrapperImpl&) = delete; |
| ViewDebugWrapperImpl& operator=(const ViewDebugWrapperImpl&) = delete; |
| ~ViewDebugWrapperImpl() override; |
| |
| // debug::ViewDebugWrapper: |
| std::string GetViewClassName() override; |
| int GetID() override; |
| debug::ViewDebugWrapper::BoundsTuple GetBounds() override; |
| bool GetVisible() override; |
| bool GetNeedsLayout() override; |
| bool GetEnabled() override; |
| std::vector<debug::ViewDebugWrapper*> GetChildren() override; |
| void ForAllProperties(PropCallback callback) override; |
| |
| private: |
| const View* const view_; |
| std::vector<std::unique_ptr<ViewDebugWrapperImpl>> children_; |
| }; |
| |
| template <typename V> |
| bool IsViewClass(View* view) { |
| static_assert(std::is_base_of<View, V>::value, "Only View classes supported"); |
| ui::metadata::ClassMetaData* parent = V::MetaData(); |
| ui::metadata::ClassMetaData* child = view->GetClassMetaData(); |
| while (child && child != parent) |
| child = child->parent_class_meta_data(); |
| return !!child; |
| } |
| |
| VIEWS_EXPORT void PrintViewHierarchy(View* view, |
| bool verbose = false, |
| int depth = -1); |
| |
| VIEWS_EXPORT std::string GetViewDebugInfo(View* view); |
| |
| } // namespace views |
| |
| #endif // UI_VIEWS_VIEW_UTILS_H_ |