зеркало из https://github.com/electron/electron.git
88 строки
2.8 KiB
C++
88 строки
2.8 KiB
C++
// Copyright (c) 2014 GitHub, Inc.
|
|
// Use of this source code is governed by the MIT license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#include "atom/browser/api/event_emitter.h"
|
|
|
|
#include "atom/browser/api/event.h"
|
|
#include "content/public/browser/render_frame_host.h"
|
|
#include "native_mate/arguments.h"
|
|
#include "native_mate/dictionary.h"
|
|
#include "native_mate/object_template_builder.h"
|
|
#include "ui/events/event_constants.h"
|
|
|
|
#include "atom/common/node_includes.h"
|
|
|
|
namespace mate {
|
|
|
|
namespace {
|
|
|
|
v8::Persistent<v8::ObjectTemplate> event_template;
|
|
|
|
void PreventDefault(mate::Arguments* args) {
|
|
mate::Dictionary self(args->isolate(), args->GetThis());
|
|
self.Set("defaultPrevented", true);
|
|
}
|
|
|
|
// Create a pure JavaScript Event object.
|
|
v8::Local<v8::Object> CreateEventObject(v8::Isolate* isolate) {
|
|
if (event_template.IsEmpty()) {
|
|
event_template.Reset(
|
|
isolate,
|
|
ObjectTemplateBuilder(isolate, v8::ObjectTemplate::New(isolate))
|
|
.SetMethod("preventDefault", &PreventDefault)
|
|
.Build());
|
|
}
|
|
|
|
return v8::Local<v8::ObjectTemplate>::New(isolate, event_template)
|
|
->NewInstance(isolate->GetCurrentContext())
|
|
.ToLocalChecked();
|
|
}
|
|
|
|
} // namespace
|
|
|
|
namespace internal {
|
|
|
|
v8::Local<v8::Object> CreateJSEvent(v8::Isolate* isolate,
|
|
v8::Local<v8::Object> object,
|
|
content::RenderFrameHost* sender,
|
|
IPC::Message* message) {
|
|
v8::Local<v8::Object> event;
|
|
bool use_native_event = sender && message;
|
|
|
|
if (use_native_event) {
|
|
mate::Handle<mate::Event> native_event = mate::Event::Create(isolate);
|
|
native_event->SetSenderAndMessage(sender, message);
|
|
event = v8::Local<v8::Object>::Cast(native_event.ToV8());
|
|
} else {
|
|
event = CreateEventObject(isolate);
|
|
}
|
|
mate::Dictionary dict(isolate, event);
|
|
dict.Set("sender", object);
|
|
if (sender)
|
|
dict.Set("frameId", sender->GetRoutingID());
|
|
return event;
|
|
}
|
|
|
|
v8::Local<v8::Object> CreateCustomEvent(v8::Isolate* isolate,
|
|
v8::Local<v8::Object> object,
|
|
v8::Local<v8::Object> custom_event) {
|
|
v8::Local<v8::Object> event = CreateEventObject(isolate);
|
|
(void)event->SetPrototype(custom_event->CreationContext(), custom_event);
|
|
mate::Dictionary(isolate, event).Set("sender", object);
|
|
return event;
|
|
}
|
|
|
|
v8::Local<v8::Object> CreateEventFromFlags(v8::Isolate* isolate, int flags) {
|
|
mate::Dictionary obj = mate::Dictionary::CreateEmpty(isolate);
|
|
obj.Set("shiftKey", static_cast<bool>(flags & ui::EF_SHIFT_DOWN));
|
|
obj.Set("ctrlKey", static_cast<bool>(flags & ui::EF_CONTROL_DOWN));
|
|
obj.Set("altKey", static_cast<bool>(flags & ui::EF_ALT_DOWN));
|
|
obj.Set("metaKey", static_cast<bool>(flags & ui::EF_COMMAND_DOWN));
|
|
return obj.GetHandle();
|
|
}
|
|
|
|
} // namespace internal
|
|
|
|
} // namespace mate
|