143 lines
4.1 KiB
C++
143 lines
4.1 KiB
C++
// Copyright (c) 2013 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/atom_api_screen.h"
|
|
|
|
#include <algorithm>
|
|
#include <string>
|
|
|
|
#include "atom/browser/browser.h"
|
|
#include "atom/common/native_mate_converters/gfx_converter.h"
|
|
#include "base/bind.h"
|
|
#include "native_mate/dictionary.h"
|
|
#include "native_mate/object_template_builder.h"
|
|
#include "ui/gfx/screen.h"
|
|
|
|
#include "atom/common/node_includes.h"
|
|
|
|
namespace atom {
|
|
|
|
namespace api {
|
|
|
|
namespace {
|
|
|
|
// Find an item in container according to its ID.
|
|
template<class T>
|
|
typename T::iterator FindById(T* container, int id) {
|
|
auto predicate = [id] (const typename T::value_type& item) -> bool {
|
|
return item.id() == id;
|
|
};
|
|
return std::find_if(container->begin(), container->end(), predicate);
|
|
}
|
|
|
|
// Convert the changed_metrics bitmask to string array.
|
|
std::vector<std::string> MetricsToArray(uint32_t metrics) {
|
|
std::vector<std::string> array;
|
|
if (metrics & gfx::DisplayObserver::DISPLAY_METRIC_BOUNDS)
|
|
array.push_back("bounds");
|
|
if (metrics & gfx::DisplayObserver::DISPLAY_METRIC_WORK_AREA)
|
|
array.push_back("workArea");
|
|
if (metrics & gfx::DisplayObserver::DISPLAY_METRIC_DEVICE_SCALE_FACTOR)
|
|
array.push_back("scaleFactor");
|
|
if (metrics & gfx::DisplayObserver::DISPLAY_METRIC_ROTATION)
|
|
array.push_back("rotaion");
|
|
return array;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
Screen::Screen(gfx::Screen* screen) : screen_(screen) {
|
|
displays_ = screen_->GetAllDisplays();
|
|
screen_->AddObserver(this);
|
|
}
|
|
|
|
Screen::~Screen() {
|
|
screen_->RemoveObserver(this);
|
|
}
|
|
|
|
gfx::Point Screen::GetCursorScreenPoint() {
|
|
return screen_->GetCursorScreenPoint();
|
|
}
|
|
|
|
gfx::Display Screen::GetPrimaryDisplay() {
|
|
return screen_->GetPrimaryDisplay();
|
|
}
|
|
|
|
std::vector<gfx::Display> Screen::GetAllDisplays() {
|
|
return displays_;
|
|
}
|
|
|
|
gfx::Display Screen::GetDisplayNearestPoint(const gfx::Point& point) {
|
|
return screen_->GetDisplayNearestPoint(point);
|
|
}
|
|
|
|
gfx::Display Screen::GetDisplayMatching(const gfx::Rect& match_rect) {
|
|
return screen_->GetDisplayMatching(match_rect);
|
|
}
|
|
|
|
void Screen::OnDisplayAdded(const gfx::Display& new_display) {
|
|
displays_.push_back(new_display);
|
|
Emit("display-added", new_display);
|
|
}
|
|
|
|
void Screen::OnDisplayRemoved(const gfx::Display& old_display) {
|
|
auto iter = FindById(&displays_, old_display.id());
|
|
if (iter == displays_.end())
|
|
return;
|
|
|
|
displays_.erase(iter);
|
|
Emit("display-removed", old_display);
|
|
}
|
|
|
|
void Screen::OnDisplayMetricsChanged(const gfx::Display& display,
|
|
uint32_t changed_metrics) {
|
|
auto iter = FindById(&displays_, display.id());
|
|
if (iter == displays_.end())
|
|
return;
|
|
|
|
*iter = display;
|
|
Emit("display-metrics-changed", display, MetricsToArray(changed_metrics));
|
|
}
|
|
|
|
mate::ObjectTemplateBuilder Screen::GetObjectTemplateBuilder(
|
|
v8::Isolate* isolate) {
|
|
return mate::ObjectTemplateBuilder(isolate)
|
|
.SetMethod("getCursorScreenPoint", &Screen::GetCursorScreenPoint)
|
|
.SetMethod("getPrimaryDisplay", &Screen::GetPrimaryDisplay)
|
|
.SetMethod("getAllDisplays", &Screen::GetAllDisplays)
|
|
.SetMethod("getDisplayNearestPoint", &Screen::GetDisplayNearestPoint)
|
|
.SetMethod("getDisplayMatching", &Screen::GetDisplayMatching);
|
|
}
|
|
|
|
// static
|
|
v8::Local<v8::Value> Screen::Create(v8::Isolate* isolate) {
|
|
if (!Browser::Get()->is_ready()) {
|
|
node::ThrowError("Cannot initialize \"screen\" module before app is ready");
|
|
return v8::Null(isolate);
|
|
}
|
|
|
|
gfx::Screen* screen = gfx::Screen::GetNativeScreen();
|
|
if (!screen) {
|
|
node::ThrowError("Failed to get screen information");
|
|
return v8::Null(isolate);
|
|
}
|
|
|
|
return mate::CreateHandle(isolate, new Screen(screen)).ToV8();
|
|
}
|
|
|
|
} // namespace api
|
|
|
|
} // namespace atom
|
|
|
|
namespace {
|
|
|
|
void Initialize(v8::Local<v8::Object> exports, v8::Local<v8::Value> unused,
|
|
v8::Local<v8::Context> context, void* priv) {
|
|
mate::Dictionary dict(context->GetIsolate(), exports);
|
|
dict.Set("screen", atom::api::Screen::Create(context->GetIsolate()));
|
|
}
|
|
|
|
} // namespace
|
|
|
|
NODE_MODULE_CONTEXT_AWARE_BUILTIN(atom_common_screen, Initialize)
|