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Unified Diff: components/view_manager/public/cpp/view_property.h

Issue 1344573002: Mandoline: Rename components/view_manager to components/mus (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebased Created 5 years, 3 months ago
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Index: components/view_manager/public/cpp/view_property.h
diff --git a/components/view_manager/public/cpp/view_property.h b/components/view_manager/public/cpp/view_property.h
deleted file mode 100644
index 013eef45c4cf32fa35764626bead428dbee4def8..0000000000000000000000000000000000000000
--- a/components/view_manager/public/cpp/view_property.h
+++ /dev/null
@@ -1,140 +0,0 @@
-// Copyright 2014 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 COMPONENTS_VIEW_MANAGER_PUBLIC_CPP_VIEW_PROPERTY_H_
-#define COMPONENTS_VIEW_MANAGER_PUBLIC_CPP_VIEW_PROPERTY_H_
-
-#include <stdint.h>
-
-// This header should be included by code that defines ViewProperties. It
-// should not be included by code that only gets and sets ViewProperties.
-//
-// To define a new ViewProperty:
-//
-// #include "components/view_manager/public/cpp/view_property.h"
-//
-// DECLARE_EXPORTED_VIEW_PROPERTY_TYPE(FOO_EXPORT, MyType);
-// namespace foo {
-// // Use this to define an exported property that is primitive,
-// // or a pointer you don't want automatically deleted.
-// DEFINE_VIEW_PROPERTY_KEY(MyType, kMyKey, MyDefault);
-//
-// // Use this to define an exported property whose value is a heap
-// // allocated object, and has to be owned and freed by the view.
-// DEFINE_OWNED_VIEW_PROPERTY_KEY(gfx::Rect, kRestoreBoundsKey, nullptr);
-//
-// // Use this to define a non exported property that is primitive,
-// // or a pointer you don't want to automatically deleted, and is used
-// // only in a specific file. This will define the property in an unnamed
-// // namespace which cannot be accessed from another file.
-// DEFINE_LOCAL_VIEW_PROPERTY_KEY(MyType, kMyKey, MyDefault);
-//
-// } // foo namespace
-//
-// To define a new type used for ViewProperty.
-//
-// // outside all namespaces:
-// DECLARE_EXPORTED_VIEW_PROPERTY_TYPE(FOO_EXPORT, MyType)
-//
-// If a property type is not exported, use DECLARE_VIEW_PROPERTY_TYPE(MyType)
-// which is a shorthand for DECLARE_EXPORTED_VIEW_PROPERTY_TYPE(, MyType).
-
-namespace mojo {
-namespace {
-
-// No single new-style cast works for every conversion to/from int64_t, so we
-// need this helper class. A third specialization is needed for bool because
-// MSVC warning C4800 (forcing value to bool) is not suppressed by an explicit
-// cast (!).
-template <typename T>
-class ViewPropertyCaster {
- public:
- static int64_t ToInt64(T x) { return static_cast<int64_t>(x); }
- static T FromInt64(int64_t x) { return static_cast<T>(x); }
-};
-template <typename T>
-class ViewPropertyCaster<T*> {
- public:
- static int64_t ToInt64(T* x) { return reinterpret_cast<int64_t>(x); }
- static T* FromInt64(int64_t x) { return reinterpret_cast<T*>(x); }
-};
-template <>
-class ViewPropertyCaster<bool> {
- public:
- static int64_t ToInt64(bool x) { return static_cast<int64_t>(x); }
- static bool FromInt64(int64_t x) { return x != 0; }
-};
-
-} // namespace
-
-template <typename T>
-struct ViewProperty {
- T default_value;
- const char* name;
- View::PropertyDeallocator deallocator;
-};
-
-template <typename T>
-void View::SetLocalProperty(const ViewProperty<T>* property, T value) {
- int64_t old = SetLocalPropertyInternal(
- property, property->name,
- value == property->default_value ? nullptr : property->deallocator,
- ViewPropertyCaster<T>::ToInt64(value),
- ViewPropertyCaster<T>::ToInt64(property->default_value));
- if (property->deallocator &&
- old != ViewPropertyCaster<T>::ToInt64(property->default_value)) {
- (*property->deallocator)(old);
- }
-}
-
-template <typename T>
-T View::GetLocalProperty(const ViewProperty<T>* property) const {
- return ViewPropertyCaster<T>::FromInt64(GetLocalPropertyInternal(
- property, ViewPropertyCaster<T>::ToInt64(property->default_value)));
-}
-
-template <typename T>
-void View::ClearLocalProperty(const ViewProperty<T>* property) {
- SetLocalProperty(property, property->default_value);
-}
-
-} // namespace mojo
-
-// Macros to instantiate the property getter/setter template functions.
-#define DECLARE_EXPORTED_VIEW_PROPERTY_TYPE(EXPORT, T) \
- template EXPORT void mojo::View::SetLocalProperty( \
- const mojo::ViewProperty<T>*, T); \
- template EXPORT T mojo::View::GetLocalProperty(const mojo::ViewProperty<T>*) \
- const; \
- template EXPORT void mojo::View::ClearLocalProperty( \
- const mojo::ViewProperty<T>*);
-#define DECLARE_VIEW_PROPERTY_TYPE(T) DECLARE_EXPORTED_VIEW_PROPERTY_TYPE(, T)
-
-#define DEFINE_VIEW_PROPERTY_KEY(TYPE, NAME, DEFAULT) \
- COMPILE_ASSERT(sizeof(TYPE) <= sizeof(int64_t), property_type_too_large); \
- namespace { \
- const mojo::ViewProperty<TYPE> NAME##_Value = {DEFAULT, #NAME, nullptr}; \
- } \
- const mojo::ViewProperty<TYPE>* const NAME = &NAME##_Value;
-
-#define DEFINE_LOCAL_VIEW_PROPERTY_KEY(TYPE, NAME, DEFAULT) \
- COMPILE_ASSERT(sizeof(TYPE) <= sizeof(int64_t), property_type_too_large); \
- namespace { \
- const mojo::ViewProperty<TYPE> NAME##_Value = {DEFAULT, #NAME, nullptr}; \
- const mojo::ViewProperty<TYPE>* const NAME = &NAME##_Value; \
- }
-
-#define DEFINE_OWNED_VIEW_PROPERTY_KEY(TYPE, NAME, DEFAULT) \
- namespace { \
- void Deallocator##NAME(int64_t p) { \
- enum { type_must_be_complete = sizeof(TYPE) }; \
- delete mojo::ViewPropertyCaster<TYPE*>::FromInt64(p); \
- } \
- const mojo::ViewProperty<TYPE*> NAME##_Value = {DEFAULT, \
- #NAME, \
- &Deallocator##NAME}; \
- } \
- const mojo::ViewProperty<TYPE*>* const NAME = &NAME##_Value;
-
-#endif // COMPONENTS_VIEW_MANAGER_PUBLIC_CPP_VIEW_PROPERTY_H_
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