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Enable storing TrackableObject in other C++ class

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This commit is contained in:
Cheng Zhao 2015-06-24 14:49:08 +08:00
parent 7f0658efa7
commit 552a12d2ee
2 changed files with 45 additions and 1 deletions
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13
atom/browser/api/trackable_object.h
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@ -8,15 +8,23 @@
#include "atom/browser/api/event_emitter.h"
#include "atom/common/id_weak_map.h"
namespace base {
class SupportsUserData;
}
namespace mate {
// All instances of TrackableObject will be kept in a weak map and can be got
// from its ID.
class TrackableObject : public mate::EventEmitter {
public:
// Find out the TrackableObject from its ID in weak map:
// Find out the TrackableObject from its ID in weak map.
static TrackableObject* FromWeakMapID(v8::Isolate* isolate, int32_t id);
// Find out the TrackableObject from the class it wraps.
static TrackableObject* FromWrappedClass(
v8::Isolate* isolate, base::SupportsUserData* wrapped);
// Releases all weak references in weak map, called when app is terminating.
static void ReleaseAllWeakReferences();
@ -30,6 +38,9 @@ class TrackableObject : public mate::EventEmitter {
TrackableObject();
~TrackableObject() override;
// Wrap TrackableObject into a class that SupportsUserData.
void Attach(base::SupportsUserData* wrapped);
private:
static atom::IDWeakMap weak_map_;