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