Emilio Cobos Álvarez
2861287f6d
Autogenerated with:
cp dom/.clang-format widget/ && mach format widget/**.{cpp,h,mm}
Manual changes:
* Had to add a manual override in nsWaylandDisplay.h /
DMABufFormats.cpp to include mozwayland before protocols.
* Missing includes in nsWindowWayland/X11.h / nsDragService.
* nsFilePicker missed an nsWindow forward declaration.
* Various overrides in widget/windows because windows headers are order
dependent.
Differential Revision: https://phabricator.services.mozilla.com/D311688
88 lines
2.1 KiB
C++
88 lines
2.1 KiB
C++
/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef _mozilla_widget_GfxInfoCollector_h_
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#define _mozilla_widget_GfxInfoCollector_h_
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#include "js/RootingAPI.h"
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#include "mozilla/Attributes.h"
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#include "nsStringFwd.h"
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namespace mozilla {
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namespace widget {
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/* this is handy wrapper around JSAPI to make it more pleasant to use.
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* We collect the JSAPI errors and so that callers don't need to */
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class MOZ_STACK_CLASS InfoObject {
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friend class GfxInfoBase;
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public:
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void DefineProperty(const char* name, int value);
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void DefineProperty(const char* name, const nsAString& value);
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void DefineProperty(const char* name, const char* value);
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InfoObject(InfoObject&) = delete;
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private:
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// We need to ensure that this object lives on the stack so that GC sees it
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// properly
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explicit InfoObject(JSContext* aCx);
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JSContext* mCx;
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JS::Rooted<JSObject*> mObj;
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bool mOk;
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};
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/*
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Here's an example usage:
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class Foo {
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Foo::Foo() : mInfoCollector(this, &Foo::GetAweseomeness) {}
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void GetAwesomeness(InfoObject &obj) {
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obj.DefineProperty("awesome", mAwesome);
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}
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int mAwesome;
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GfxInfoCollector<Foo> mInfoCollector;
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}
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This will define a property on the object
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returned from calling getInfo() on a
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GfxInfo object. e.g.
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gfxInfo = Cc["@mozilla.org/gfx/info;1"].getService(Ci.nsIGfxInfo);
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info = gfxInfo.getInfo();
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if (info.awesome)
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alert(info.awesome);
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*/
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class GfxInfoCollectorBase {
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public:
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GfxInfoCollectorBase();
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virtual void GetInfo(InfoObject& obj) = 0;
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virtual ~GfxInfoCollectorBase();
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};
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template <class T>
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class GfxInfoCollector : public GfxInfoCollectorBase {
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public:
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GfxInfoCollector(T* aPointer, void (T::*aFunc)(InfoObject& obj))
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: mPointer(aPointer), mFunc(aFunc) {}
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virtual void GetInfo(InfoObject& obj) override { (mPointer->*mFunc)(obj); }
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protected:
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T* mPointer;
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void (T::*mFunc)(InfoObject& obj);
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};
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} // namespace widget
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} // namespace mozilla
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#endif
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