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fix double-freeing remote references

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After the page does navigations, garbage collection can still happen in
the old context. This commit changes to store references to remote objects
by _pages_, instead of by _WebContents_.
This commit is contained in:
Cheng Zhao 2018-07-10 17:15:40 +09:00
parent 9431677e79
commit adf49daaac
9 changed files with 139 additions and 113 deletions
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6
atom/common/api/remote_callback_freer.cc
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@ -15,17 +15,20 @@ namespace atom {
// static
void RemoteCallbackFreer::BindTo(v8::Isolate* isolate,
v8::Local<v8::Object> target,
const std::string& context_id,
int object_id,
content::WebContents* web_contents) {
new RemoteCallbackFreer(isolate, target, object_id, web_contents);
new RemoteCallbackFreer(isolate, target, context_id, object_id, web_contents);
}
RemoteCallbackFreer::RemoteCallbackFreer(v8::Isolate* isolate,
v8::Local<v8::Object> target,
const std::string& context_id,
int object_id,
content::WebContents* web_contents)
: ObjectLifeMonitor(isolate, target),
content::WebContentsObserver(web_contents),
context_id_(context_id),
object_id_(object_id) {}
RemoteCallbackFreer::~RemoteCallbackFreer() {}
@ -34,6 +37,7 @@ void RemoteCallbackFreer::RunDestructor() {
base::string16 channel =
base::ASCIIToUTF16("ELECTRON_RENDERER_RELEASE_CALLBACK");
base::ListValue args;
args.AppendString(context_id_);
args.AppendInteger(object_id_);
auto* frame_host = web_contents()->GetMainFrame();
if (frame_host) {