electron/common/api/atom_api_screen.cc
2014-01-07 20:15:55 +08:00

86 lines
2.5 KiB
C++

// Copyright (c) 2013 GitHub, Inc. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "common/api/atom_api_screen.h"
#include "common/v8/native_type_conversions.h"
#include "ui/gfx/screen.h"
#include "common/v8/node_common.h"
#define UNWRAP_SCREEN_AND_CHECK \
Screen* self = ObjectWrap::Unwrap<Screen>(args.This()); \
if (self == NULL) \
return node::ThrowError("Screen is already destroyed")
namespace atom {
namespace api {
namespace {
v8::Handle<v8::Object> DisplayToV8Value(const gfx::Display& display) {
v8::Handle<v8::Object> obj = v8::Object::New();
obj->Set(ToV8Value("bounds"), ToV8Value(display.bounds()));
obj->Set(ToV8Value("workArea"), ToV8Value(display.work_area()));
obj->Set(ToV8Value("size"), ToV8Value(display.size()));
obj->Set(ToV8Value("workAreaSize"), ToV8Value(display.work_area_size()));
obj->Set(ToV8Value("scaleFactor"), ToV8Value(display.device_scale_factor()));
return obj;
}
} // namespace
Screen::Screen(v8::Handle<v8::Object> wrapper)
: EventEmitter(wrapper),
screen_(gfx::Screen::GetNativeScreen()) {
}
Screen::~Screen() {
}
// static
void Screen::New(const v8::FunctionCallbackInfo<v8::Value>& args) {
v8::HandleScope scope(args.GetIsolate());
if (!args.IsConstructCall())
return node::ThrowError("Require constructor call");
new Screen(args.This());
}
// static
void Screen::GetCursorScreenPoint(
const v8::FunctionCallbackInfo<v8::Value>& args) {
UNWRAP_SCREEN_AND_CHECK;
args.GetReturnValue().Set(ToV8Value(self->screen_->GetCursorScreenPoint()));
}
// static
void Screen::GetPrimaryDisplay(
const v8::FunctionCallbackInfo<v8::Value>& args) {
UNWRAP_SCREEN_AND_CHECK;
gfx::Display display = self->screen_->GetPrimaryDisplay();
args.GetReturnValue().Set(DisplayToV8Value(display));
}
// static
void Screen::Initialize(v8::Handle<v8::Object> target) {
v8::HandleScope handle_scope(v8::Isolate::GetCurrent());
v8::Local<v8::FunctionTemplate> t = v8::FunctionTemplate::New(New);
t->InstanceTemplate()->SetInternalFieldCount(1);
t->SetClassName(v8::String::NewSymbol("Screen"));
NODE_SET_PROTOTYPE_METHOD(t, "getCursorScreenPoint", GetCursorScreenPoint);
NODE_SET_PROTOTYPE_METHOD(t, "getPrimaryDisplay", GetPrimaryDisplay);
target->Set(v8::String::NewSymbol("Screen"), t->GetFunction());
}
} // namespace api
} // namespace atom
NODE_MODULE(atom_common_screen, atom::api::Screen::Initialize)