Mercurial > minori
changeset 341:052ec053ee37
dep/animone: a11y/win32: fix missing ComInterface definition
| author | Paper <paper@paper.us.eu.org> |
|---|---|
| date | Wed, 19 Jun 2024 23:21:19 -0400 |
| parents | 74e2365326c6 |
| children | adb79bdde329 |
| files | dep/animone/src/a11y/win32.cc |
| diffstat | 1 files changed, 18 insertions(+), 4 deletions(-) [+] |
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--- a/dep/animone/src/a11y/win32.cc Wed Jun 19 23:13:55 2024 -0400 +++ b/dep/animone/src/a11y/win32.cc Wed Jun 19 23:21:19 2024 -0400 @@ -21,11 +21,25 @@ using element_proc_t = std::function<TreeScope(Element&)>; using properties_t = std::vector<std::pair<long, bool>>; +/* ------------------------------------------------------------------- */ + +template <typename T> +struct ComInterfaceDeleter { + static_assert(std::is_base_of<IUnknown, T>::value, "Invalid COM interface"); + using pointer = T*; + void operator()(pointer p) const { if (p) p->Release(); } +}; + +template <typename T> +using ComInterface = std::unique_ptr<T, ComInterfaceDeleter<T>>; + +/* ------------------------------------------------------------------- */ + // The main interface that is used throughout this file. Must be initialized // before it can be used for the first time. static ComInterface<IUIAutomation> ui_automation; -//////////////////////////////////////////////////////////////////////////////// +/* ------------------------------------------------------------------- */ static bool InitializeUIAutomation() { if (ui_automation) @@ -44,7 +58,7 @@ return SUCCEEDED(result); } -//////////////////////////////////////////////////////////////////////////////// +/* ------------------------------------------------------------------- */ static Element* GetElementFromHandle(HWND hwnd) { Element* element = nullptr; @@ -83,7 +97,7 @@ return element_value; } -//////////////////////////////////////////////////////////////////////////////// +/* ------------------------------------------------------------------- */ static bool VerifyElementProperties(Element& element, const properties_t& properties) { VARIANT v = {}; @@ -116,7 +130,7 @@ return VerifyElementProperties(element, properties); } -//////////////////////////////////////////////////////////////////////////////// +/* ------------------------------------------------------------------- */ static void WalkElements(TreeWalker& tree_walker, Element& parent, TreeScope scope, size_t depth, element_proc_t element_proc) {