Source code
Revision control
Copy as Markdown
Other Tools
/* -*- Mode: c++; c-basic-offset: 2; tab-width: 20; indent-tabs-mode: nil; -*-
* vim: set sw=2 ts=4 expandtab:
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#include "EventDispatcher.h"
#include "mozilla/widget/GeckoViewSupport.h"
@interface EventDispatcherImpl : NSObject <GeckoEventDispatcher> {
RefPtr<mozilla::widget::EventDispatcher> mDispatcher;
}
- (id)initWithDispatcher:(mozilla::widget::EventDispatcher*)dispatcher;
@end
@implementation EventDispatcherImpl
- (id)initWithDispatcher:(mozilla::widget::EventDispatcher*)dispatcher {
self = [super init];
self->mDispatcher = dispatcher;
return self;
}
@end
namespace mozilla::widget {
NS_IMPL_ISUPPORTS(EventDispatcher, nsIGeckoViewEventDispatcher)
NS_IMETHODIMP
EventDispatcher::Dispatch(JS::Handle<JS::Value> aEvent,
JS::Handle<JS::Value> aData,
nsIGeckoViewEventCallback* aCallback,
nsIGeckoViewEventFinalizer* aFinalizer,
JSContext* aCx) {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
EventDispatcher::RegisterListener(nsIGeckoViewEventListener* aListener,
JS::Handle<JS::Value> aEvents,
JSContext* aCx) {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
EventDispatcher::UnregisterListener(nsIGeckoViewEventListener* aListener,
JS::Handle<JS::Value> aEvents,
JSContext* aCx) {
return NS_ERROR_NOT_IMPLEMENTED;
}
bool EventDispatcher::HasListener(const char16_t* aEvent) { return false; }
void EventDispatcher::Attach(id aDispatcher) {
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aDispatcher);
id<SwiftEventDispatcher> prevDispatcher =
(id<SwiftEventDispatcher>)mDispatcher;
id<SwiftEventDispatcher> newDispatcher =
(id<SwiftEventDispatcher>)aDispatcher;
if (prevDispatcher && prevDispatcher == newDispatcher) {
// Nothing to do if the new dispatcher is the same.
return;
}
[prevDispatcher attach:nil];
[prevDispatcher release];
mDispatcher = [newDispatcher retain];
EventDispatcherImpl* proxy =
[[EventDispatcherImpl alloc] initWithDispatcher:this];
[newDispatcher attach:[proxy autorelease]];
}
void EventDispatcher::Shutdown() {
if (mDispatcher) {
[mDispatcher release];
}
mDispatcher = nullptr;
}
void EventDispatcher::Detach() {
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(mDispatcher);
// SetAttachedToGecko will call disposeNative for us later on the Gecko
// thread to make sure all pending dispatchToGecko calls have completed.
if (mDispatcher) {
[(id<SwiftEventDispatcher>)mDispatcher attach:nil];
}
Shutdown();
}
} // namespace mozilla::widget