electron/atom/browser/api/event_emitter.h

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// Copyright (c) 2014 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#ifndef ATOM_BROWSER_API_EVENT_EMITTER_H_
#define ATOM_BROWSER_API_EVENT_EMITTER_H_
refactor: use mojo for electron internal IPC (#17406) * refactor: use mojo for electron internal IPC * add sender_id, drop MessageSync * remove usages of AtomFrameMsg_Message * iwyu * first draft of renderer->browser direction * refactor to reuse a single ipc interface * implement TakeHeapSnapshot through mojo * the rest of the owl^WtakeHeapSnapshot mojofication * remove no-op overrides in AtomRendererClient * delete renderer-side ElectronApiServiceImpl when its pipe is destroyed * looks like we don't need to overlay the renderer manifest after all * don't try to send 2 replies to a sync rpc * undo changes to manifests.cc * unify sandboxed + unsandboxed ipc events * lint * register ElectronBrowser mojo service on devtools WebContents * fix takeHeapSnapshopt failure paths * {electron_api => atom}::mojom * add send_to_all to ElectronRenderer::Message * keep interface alive until callback is called * review comments * use GetContext from RendererClientBase * robustify a test that uses window.open * MessageSync posts a task to put sync messages in the same queue as async ones * add v8::MicrotasksScope and node::CallbackScope * iwyu * use weakptr to api::WebContents instead of Unretained * make MessageSync an asynchronous message & use non-associated interface * iwyu + comments * remove unused WeakPtrFactory * inline OnRendererMessage[Sync] * cleanups & comments * use helper methods instead of inline lambdas * remove unneeded async in test * add mojo to manifests deps * add gn check for //electron/manifests and mojo * don't register renderer side service until preload has been run * update gn check targets list * move interface registration back to RenderFrameCreated
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#include <utility>
#include <vector>
#include "atom/common/api/event_emitter_caller.h"
refactor: use mojo for electron internal IPC (#17406) * refactor: use mojo for electron internal IPC * add sender_id, drop MessageSync * remove usages of AtomFrameMsg_Message * iwyu * first draft of renderer->browser direction * refactor to reuse a single ipc interface * implement TakeHeapSnapshot through mojo * the rest of the owl^WtakeHeapSnapshot mojofication * remove no-op overrides in AtomRendererClient * delete renderer-side ElectronApiServiceImpl when its pipe is destroyed * looks like we don't need to overlay the renderer manifest after all * don't try to send 2 replies to a sync rpc * undo changes to manifests.cc * unify sandboxed + unsandboxed ipc events * lint * register ElectronBrowser mojo service on devtools WebContents * fix takeHeapSnapshopt failure paths * {electron_api => atom}::mojom * add send_to_all to ElectronRenderer::Message * keep interface alive until callback is called * review comments * use GetContext from RendererClientBase * robustify a test that uses window.open * MessageSync posts a task to put sync messages in the same queue as async ones * add v8::MicrotasksScope and node::CallbackScope * iwyu * use weakptr to api::WebContents instead of Unretained * make MessageSync an asynchronous message & use non-associated interface * iwyu + comments * remove unused WeakPtrFactory * inline OnRendererMessage[Sync] * cleanups & comments * use helper methods instead of inline lambdas * remove unneeded async in test * add mojo to manifests deps * add gn check for //electron/manifests and mojo * don't register renderer side service until preload has been run * update gn check targets list * move interface registration back to RenderFrameCreated
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#include "base/optional.h"
#include "content/public/browser/browser_thread.h"
refactor: use mojo for electron internal IPC (#17406) * refactor: use mojo for electron internal IPC * add sender_id, drop MessageSync * remove usages of AtomFrameMsg_Message * iwyu * first draft of renderer->browser direction * refactor to reuse a single ipc interface * implement TakeHeapSnapshot through mojo * the rest of the owl^WtakeHeapSnapshot mojofication * remove no-op overrides in AtomRendererClient * delete renderer-side ElectronApiServiceImpl when its pipe is destroyed * looks like we don't need to overlay the renderer manifest after all * don't try to send 2 replies to a sync rpc * undo changes to manifests.cc * unify sandboxed + unsandboxed ipc events * lint * register ElectronBrowser mojo service on devtools WebContents * fix takeHeapSnapshopt failure paths * {electron_api => atom}::mojom * add send_to_all to ElectronRenderer::Message * keep interface alive until callback is called * review comments * use GetContext from RendererClientBase * robustify a test that uses window.open * MessageSync posts a task to put sync messages in the same queue as async ones * add v8::MicrotasksScope and node::CallbackScope * iwyu * use weakptr to api::WebContents instead of Unretained * make MessageSync an asynchronous message & use non-associated interface * iwyu + comments * remove unused WeakPtrFactory * inline OnRendererMessage[Sync] * cleanups & comments * use helper methods instead of inline lambdas * remove unneeded async in test * add mojo to manifests deps * add gn check for //electron/manifests and mojo * don't register renderer side service until preload has been run * update gn check targets list * move interface registration back to RenderFrameCreated
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#include "electron/atom/common/api/api.mojom.h"
#include "native_mate/wrappable.h"
namespace content {
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class RenderFrameHost;
}
namespace mate {
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namespace internal {
refactor: use mojo for electron internal IPC (#17406) * refactor: use mojo for electron internal IPC * add sender_id, drop MessageSync * remove usages of AtomFrameMsg_Message * iwyu * first draft of renderer->browser direction * refactor to reuse a single ipc interface * implement TakeHeapSnapshot through mojo * the rest of the owl^WtakeHeapSnapshot mojofication * remove no-op overrides in AtomRendererClient * delete renderer-side ElectronApiServiceImpl when its pipe is destroyed * looks like we don't need to overlay the renderer manifest after all * don't try to send 2 replies to a sync rpc * undo changes to manifests.cc * unify sandboxed + unsandboxed ipc events * lint * register ElectronBrowser mojo service on devtools WebContents * fix takeHeapSnapshopt failure paths * {electron_api => atom}::mojom * add send_to_all to ElectronRenderer::Message * keep interface alive until callback is called * review comments * use GetContext from RendererClientBase * robustify a test that uses window.open * MessageSync posts a task to put sync messages in the same queue as async ones * add v8::MicrotasksScope and node::CallbackScope * iwyu * use weakptr to api::WebContents instead of Unretained * make MessageSync an asynchronous message & use non-associated interface * iwyu + comments * remove unused WeakPtrFactory * inline OnRendererMessage[Sync] * cleanups & comments * use helper methods instead of inline lambdas * remove unneeded async in test * add mojo to manifests deps * add gn check for //electron/manifests and mojo * don't register renderer side service until preload has been run * update gn check targets list * move interface registration back to RenderFrameCreated
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v8::Local<v8::Object> CreateJSEvent(
v8::Isolate* isolate,
v8::Local<v8::Object> object,
content::RenderFrameHost* sender,
base::Optional<atom::mojom::ElectronBrowser::MessageSyncCallback> callback);
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v8::Local<v8::Object> CreateCustomEvent(v8::Isolate* isolate,
v8::Local<v8::Object> object,
v8::Local<v8::Object> event);
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v8::Local<v8::Object> CreateEventFromFlags(v8::Isolate* isolate, int flags);
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} // namespace internal
// Provide helperers to emit event in JavaScript.
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template <typename T>
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class EventEmitter : public Wrappable<T> {
public:
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typedef std::vector<v8::Local<v8::Value>> ValueArray;
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// Make the convinient methods visible:
// https://isocpp.org/wiki/faq/templates#nondependent-name-lookup-members
v8::Isolate* isolate() const { return Wrappable<T>::isolate(); }
v8::Local<v8::Object> GetWrapper() const {
return Wrappable<T>::GetWrapper();
}
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// this.emit(name, event, args...);
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template <typename... Args>
bool EmitCustomEvent(const base::StringPiece& name,
v8::Local<v8::Object> event,
Args&&... args) {
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return EmitWithEvent(
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name, internal::CreateCustomEvent(isolate(), GetWrapper(), event),
std::forward<Args>(args)...);
}
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// this.emit(name, new Event(flags), args...);
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template <typename... Args>
bool EmitWithFlags(const base::StringPiece& name, int flags, Args&&... args) {
return EmitCustomEvent(name,
internal::CreateEventFromFlags(isolate(), flags),
std::forward<Args>(args)...);
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}
// this.emit(name, new Event(), args...);
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template <typename... Args>
bool Emit(const base::StringPiece& name, Args&&... args) {
return EmitWithSender(name, nullptr, base::nullopt,
std::forward<Args>(args)...);
}
// this.emit(name, new Event(sender, message), args...);
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template <typename... Args>
refactor: use mojo for electron internal IPC (#17406) * refactor: use mojo for electron internal IPC * add sender_id, drop MessageSync * remove usages of AtomFrameMsg_Message * iwyu * first draft of renderer->browser direction * refactor to reuse a single ipc interface * implement TakeHeapSnapshot through mojo * the rest of the owl^WtakeHeapSnapshot mojofication * remove no-op overrides in AtomRendererClient * delete renderer-side ElectronApiServiceImpl when its pipe is destroyed * looks like we don't need to overlay the renderer manifest after all * don't try to send 2 replies to a sync rpc * undo changes to manifests.cc * unify sandboxed + unsandboxed ipc events * lint * register ElectronBrowser mojo service on devtools WebContents * fix takeHeapSnapshopt failure paths * {electron_api => atom}::mojom * add send_to_all to ElectronRenderer::Message * keep interface alive until callback is called * review comments * use GetContext from RendererClientBase * robustify a test that uses window.open * MessageSync posts a task to put sync messages in the same queue as async ones * add v8::MicrotasksScope and node::CallbackScope * iwyu * use weakptr to api::WebContents instead of Unretained * make MessageSync an asynchronous message & use non-associated interface * iwyu + comments * remove unused WeakPtrFactory * inline OnRendererMessage[Sync] * cleanups & comments * use helper methods instead of inline lambdas * remove unneeded async in test * add mojo to manifests deps * add gn check for //electron/manifests and mojo * don't register renderer side service until preload has been run * update gn check targets list * move interface registration back to RenderFrameCreated
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bool EmitWithSender(
const base::StringPiece& name,
content::RenderFrameHost* sender,
base::Optional<atom::mojom::ElectronBrowser::MessageSyncCallback>
callback,
Args&&... args) {
v8::Locker locker(isolate());
v8::HandleScope handle_scope(isolate());
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v8::Local<v8::Object> wrapper = GetWrapper();
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if (wrapper.IsEmpty()) {
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return false;
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}
refactor: use mojo for electron internal IPC (#17406) * refactor: use mojo for electron internal IPC * add sender_id, drop MessageSync * remove usages of AtomFrameMsg_Message * iwyu * first draft of renderer->browser direction * refactor to reuse a single ipc interface * implement TakeHeapSnapshot through mojo * the rest of the owl^WtakeHeapSnapshot mojofication * remove no-op overrides in AtomRendererClient * delete renderer-side ElectronApiServiceImpl when its pipe is destroyed * looks like we don't need to overlay the renderer manifest after all * don't try to send 2 replies to a sync rpc * undo changes to manifests.cc * unify sandboxed + unsandboxed ipc events * lint * register ElectronBrowser mojo service on devtools WebContents * fix takeHeapSnapshopt failure paths * {electron_api => atom}::mojom * add send_to_all to ElectronRenderer::Message * keep interface alive until callback is called * review comments * use GetContext from RendererClientBase * robustify a test that uses window.open * MessageSync posts a task to put sync messages in the same queue as async ones * add v8::MicrotasksScope and node::CallbackScope * iwyu * use weakptr to api::WebContents instead of Unretained * make MessageSync an asynchronous message & use non-associated interface * iwyu + comments * remove unused WeakPtrFactory * inline OnRendererMessage[Sync] * cleanups & comments * use helper methods instead of inline lambdas * remove unneeded async in test * add mojo to manifests deps * add gn check for //electron/manifests and mojo * don't register renderer side service until preload has been run * update gn check targets list * move interface registration back to RenderFrameCreated
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v8::Local<v8::Object> event = internal::CreateJSEvent(
isolate(), wrapper, sender, std::move(callback));
return EmitWithEvent(name, event, std::forward<Args>(args)...);
}
protected:
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EventEmitter() {}
private:
// this.emit(name, event, args...);
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template <typename... Args>
bool EmitWithEvent(const base::StringPiece& name,
v8::Local<v8::Object> event,
Args&&... args) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
v8::Locker locker(isolate());
v8::HandleScope handle_scope(isolate());
EmitEvent(isolate(), GetWrapper(), name, event,
std::forward<Args>(args)...);
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return event->Get(StringToV8(isolate(), "defaultPrevented"))
->BooleanValue(isolate());
}
DISALLOW_COPY_AND_ASSIGN(EventEmitter);
};
} // namespace mate
#endif // ATOM_BROWSER_API_EVENT_EMITTER_H_