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refactor: remove content::WebContentsObserver from Event (#19251)

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Milan Burda 2019-08-01 00:20:28 +02:00 committed by Shelley Vohr
parent c71cdce0b7
commit c76b0b70c1
3 changed files with 6 additions and 43 deletions
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32
shell/browser/api/event.cc
View file

@ -6,10 +6,7 @@
#include <utility>
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "native_mate/object_template_builder.h"
#include "shell/common/native_mate_converters/string16_converter.h"
#include "shell/common/native_mate_converters/value_converter.h"
namespace mate {
@ -20,34 +17,9 @@ Event::Event(v8::Isolate* isolate) {
Event::~Event() {}
void Event::SetSenderAndMessage(content::RenderFrameHost* sender,
base::Optional<MessageSyncCallback> callback) {
DCHECK(!sender_);
void Event::SetCallback(base::Optional<MessageSyncCallback> callback) {
DCHECK(!callback_);
sender_ = sender;
callback_ = std::move(callback);
Observe(content::WebContents::FromRenderFrameHost(sender));
}
void Event::RenderFrameDeleted(content::RenderFrameHost* rfh) {
if (sender_ != rfh)
return;
sender_ = nullptr;
callback_.reset();
}
void Event::RenderFrameHostChanged(content::RenderFrameHost* old_rfh,
content::RenderFrameHost* new_rfh) {
if (sender_ && sender_ == old_rfh)
sender_ = new_rfh;
}
void Event::FrameDeleted(content::RenderFrameHost* rfh) {
if (sender_ != rfh)
return;
sender_ = nullptr;
callback_.reset();
}
void Event::PreventDefault(v8::Isolate* isolate) {
@ -58,7 +30,7 @@ void Event::PreventDefault(v8::Isolate* isolate) {
}
bool Event::SendReply(const base::Value& result) {
if (!callback_ || sender_ == nullptr)
if (!callback_)
return false;
std::move(*callback_).Run(result.Clone());

15
shell/browser/api/event.h
View file

@ -6,7 +6,6 @@
#define SHELL_BROWSER_API_EVENT_H_
#include "base/optional.h"
#include "content/public/browser/web_contents_observer.h"
#include "electron/shell/common/api/api.mojom.h"
#include "native_mate/handle.h"
#include "native_mate/wrappable.h"
@ -17,7 +16,7 @@ class Message;
namespace mate {
class Event : public Wrappable<Event>, public content::WebContentsObserver {
class Event : public Wrappable<Event> {
public:
using MessageSyncCallback =
electron::mojom::ElectronBrowser::MessageSyncCallback;
@ -26,9 +25,8 @@ class Event : public Wrappable<Event>, public content::WebContentsObserver {
static void BuildPrototype(v8::Isolate* isolate,
v8::Local<v8::FunctionTemplate> prototype);
// Pass the sender and message to be replied.
void SetSenderAndMessage(content::RenderFrameHost* sender,
base::Optional<MessageSyncCallback> callback);
// Pass the callback to be invoked.
void SetCallback(base::Optional<MessageSyncCallback> callback);
// event.PreventDefault().
void PreventDefault(v8::Isolate* isolate);
@ -41,15 +39,8 @@ class Event : public Wrappable<Event>, public content::WebContentsObserver {
explicit Event(v8::Isolate* isolate);
~Event() override;
// content::WebContentsObserver implementations:
void RenderFrameDeleted(content::RenderFrameHost* rfh) override;
void RenderFrameHostChanged(content::RenderFrameHost* old_rfh,
content::RenderFrameHost* new_rfh) override;
void FrameDeleted(content::RenderFrameHost* rfh) override;
private:
// Replyer for the synchronous messages.
content::RenderFrameHost* sender_ = nullptr;
base::Optional<MessageSyncCallback> callback_;
DISALLOW_COPY_AND_ASSIGN(Event);

2
shell/browser/api/event_emitter.cc
View file

@ -55,7 +55,7 @@ v8::Local<v8::Object> CreateJSEvent(
if (use_native_event) {
mate::Handle<mate::Event> native_event = mate::Event::Create(isolate);
native_event->SetSenderAndMessage(sender, std::move(callback));
native_event->SetCallback(std::move(callback));
event = v8::Local<v8::Object>::Cast(native_event.ToV8());
} else {
event = CreateEventObject(isolate);