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Side by Side Diff: components/mus/public/cpp/view_property.h

Issue 1340983002: Mandoline UI Process: Update namespaces and file names (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebased Created 5 years, 3 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef COMPONENTS_MUS_PUBLIC_CPP_VIEW_PROPERTY_H_ 5 #ifndef COMPONENTS_MUS_PUBLIC_CPP_VIEW_PROPERTY_H_
6 #define COMPONENTS_MUS_PUBLIC_CPP_VIEW_PROPERTY_H_ 6 #define COMPONENTS_MUS_PUBLIC_CPP_VIEW_PROPERTY_H_
7 7
8 #include <stdint.h> 8 #include <stdint.h>
9 9
10 // This header should be included by code that defines ViewProperties. It 10 // This header should be included by code that defines ViewProperties. It
(...skipping 22 matching lines...) Expand all
33 // } // foo namespace 33 // } // foo namespace
34 // 34 //
35 // To define a new type used for ViewProperty. 35 // To define a new type used for ViewProperty.
36 // 36 //
37 // // outside all namespaces: 37 // // outside all namespaces:
38 // DECLARE_EXPORTED_VIEW_PROPERTY_TYPE(FOO_EXPORT, MyType) 38 // DECLARE_EXPORTED_VIEW_PROPERTY_TYPE(FOO_EXPORT, MyType)
39 // 39 //
40 // If a property type is not exported, use DECLARE_VIEW_PROPERTY_TYPE(MyType) 40 // If a property type is not exported, use DECLARE_VIEW_PROPERTY_TYPE(MyType)
41 // which is a shorthand for DECLARE_EXPORTED_VIEW_PROPERTY_TYPE(, MyType). 41 // which is a shorthand for DECLARE_EXPORTED_VIEW_PROPERTY_TYPE(, MyType).
42 42
43 namespace mojo { 43 namespace mus {
44 namespace { 44 namespace {
45 45
46 // No single new-style cast works for every conversion to/from int64_t, so we 46 // No single new-style cast works for every conversion to/from int64_t, so we
47 // need this helper class. A third specialization is needed for bool because 47 // need this helper class. A third specialization is needed for bool because
48 // MSVC warning C4800 (forcing value to bool) is not suppressed by an explicit 48 // MSVC warning C4800 (forcing value to bool) is not suppressed by an explicit
49 // cast (!). 49 // cast (!).
50 template <typename T> 50 template <typename T>
51 class ViewPropertyCaster { 51 class ViewPropertyCaster {
52 public: 52 public:
53 static int64_t ToInt64(T x) { return static_cast<int64_t>(x); } 53 static int64_t ToInt64(T x) { return static_cast<int64_t>(x); }
(...skipping 38 matching lines...) Expand 10 before | Expand all | Expand 10 after
92 T View::GetLocalProperty(const ViewProperty<T>* property) const { 92 T View::GetLocalProperty(const ViewProperty<T>* property) const {
93 return ViewPropertyCaster<T>::FromInt64(GetLocalPropertyInternal( 93 return ViewPropertyCaster<T>::FromInt64(GetLocalPropertyInternal(
94 property, ViewPropertyCaster<T>::ToInt64(property->default_value))); 94 property, ViewPropertyCaster<T>::ToInt64(property->default_value)));
95 } 95 }
96 96
97 template <typename T> 97 template <typename T>
98 void View::ClearLocalProperty(const ViewProperty<T>* property) { 98 void View::ClearLocalProperty(const ViewProperty<T>* property) {
99 SetLocalProperty(property, property->default_value); 99 SetLocalProperty(property, property->default_value);
100 } 100 }
101 101
102 } // namespace mojo 102 } // namespace mus
103 103
104 // Macros to instantiate the property getter/setter template functions. 104 // Macros to instantiate the property getter/setter template functions.
105 #define DECLARE_EXPORTED_VIEW_PROPERTY_TYPE(EXPORT, T) \ 105 #define DECLARE_EXPORTED_VIEW_PROPERTY_TYPE(EXPORT, T) \
106 template EXPORT void mojo::View::SetLocalProperty( \ 106 template EXPORT void mus::View::SetLocalProperty( \
107 const mojo::ViewProperty<T>*, T); \ 107 const mus::ViewProperty<T>*, T); \
108 template EXPORT T mojo::View::GetLocalProperty(const mojo::ViewProperty<T>*) \ 108 template EXPORT T mus::View::GetLocalProperty(const mus::ViewProperty<T>*) \
109 const; \ 109 const; \
110 template EXPORT void mojo::View::ClearLocalProperty( \ 110 template EXPORT void mus::View::ClearLocalProperty( \
111 const mojo::ViewProperty<T>*); 111 const mus::ViewProperty<T>*);
112 #define DECLARE_VIEW_PROPERTY_TYPE(T) DECLARE_EXPORTED_VIEW_PROPERTY_TYPE(, T) 112 #define DECLARE_VIEW_PROPERTY_TYPE(T) DECLARE_EXPORTED_VIEW_PROPERTY_TYPE(, T)
113 113
114 #define DEFINE_VIEW_PROPERTY_KEY(TYPE, NAME, DEFAULT) \ 114 #define DEFINE_VIEW_PROPERTY_KEY(TYPE, NAME, DEFAULT) \
115 COMPILE_ASSERT(sizeof(TYPE) <= sizeof(int64_t), property_type_too_large); \ 115 COMPILE_ASSERT(sizeof(TYPE) <= sizeof(int64_t), property_type_too_large); \
116 namespace { \ 116 namespace { \
117 const mojo::ViewProperty<TYPE> NAME##_Value = {DEFAULT, #NAME, nullptr}; \ 117 const mus::ViewProperty<TYPE> NAME##_Value = {DEFAULT, #NAME, nullptr}; \
118 } \ 118 } \
119 const mojo::ViewProperty<TYPE>* const NAME = &NAME##_Value; 119 const mus::ViewProperty<TYPE>* const NAME = &NAME##_Value;
120 120
121 #define DEFINE_LOCAL_VIEW_PROPERTY_KEY(TYPE, NAME, DEFAULT) \ 121 #define DEFINE_LOCAL_VIEW_PROPERTY_KEY(TYPE, NAME, DEFAULT) \
122 COMPILE_ASSERT(sizeof(TYPE) <= sizeof(int64_t), property_type_too_large); \ 122 COMPILE_ASSERT(sizeof(TYPE) <= sizeof(int64_t), property_type_too_large); \
123 namespace { \ 123 namespace { \
124 const mojo::ViewProperty<TYPE> NAME##_Value = {DEFAULT, #NAME, nullptr}; \ 124 const mus::ViewProperty<TYPE> NAME##_Value = {DEFAULT, #NAME, nullptr}; \
125 const mojo::ViewProperty<TYPE>* const NAME = &NAME##_Value; \ 125 const mus::ViewProperty<TYPE>* const NAME = &NAME##_Value; \
126 } 126 }
127 127
128 #define DEFINE_OWNED_VIEW_PROPERTY_KEY(TYPE, NAME, DEFAULT) \ 128 #define DEFINE_OWNED_VIEW_PROPERTY_KEY(TYPE, NAME, DEFAULT) \
129 namespace { \ 129 namespace { \
130 void Deallocator##NAME(int64_t p) { \ 130 void Deallocator##NAME(int64_t p) { \
131 enum { type_must_be_complete = sizeof(TYPE) }; \ 131 enum { type_must_be_complete = sizeof(TYPE) }; \
132 delete mojo::ViewPropertyCaster<TYPE*>::FromInt64(p); \ 132 delete mus::ViewPropertyCaster<TYPE*>::FromInt64(p); \
133 } \ 133 } \
134 const mojo::ViewProperty<TYPE*> NAME##_Value = {DEFAULT, #NAME, \ 134 const mus::ViewProperty<TYPE*> NAME##_Value = {DEFAULT, #NAME, \
135 &Deallocator##NAME}; \ 135 &Deallocator##NAME}; \
136 } \ 136 } \
137 const mojo::ViewProperty<TYPE*>* const NAME = &NAME##_Value; 137 const mus::ViewProperty<TYPE*>* const NAME = &NAME##_Value;
138 138
139 #endif // COMPONENTS_MUS_PUBLIC_CPP_VIEW_PROPERTY_H_ 139 #endif // COMPONENTS_MUS_PUBLIC_CPP_VIEW_PROPERTY_H_
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