2014-10-31 18:17:05 +00:00
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// Copyright (c) 2013 GitHub, Inc.
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2014-04-25 09:49:37 +00:00
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// Use of this source code is governed by the MIT license that can be
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2014-01-07 12:00:25 +00:00
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// found in the LICENSE file.
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2015-01-15 00:19:22 +00:00
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#include "atom/browser/api/atom_api_screen.h"
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2015-01-16 19:39:25 +00:00
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#include <algorithm>
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2015-01-16 20:02:32 +00:00
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#include <string>
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2015-01-16 19:39:25 +00:00
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2015-01-15 00:19:22 +00:00
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#include "atom/browser/browser.h"
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2014-10-24 04:48:52 +00:00
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#include "atom/common/native_mate_converters/gfx_converter.h"
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2015-01-14 22:38:51 +00:00
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#include "base/bind.h"
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#include "native_mate/dictionary.h"
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2015-01-15 00:19:22 +00:00
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#include "native_mate/object_template_builder.h"
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2015-01-14 22:38:51 +00:00
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#include "ui/gfx/screen.h"
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2014-04-17 05:45:14 +00:00
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#include "atom/common/node_includes.h"
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2014-01-07 12:00:25 +00:00
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2015-01-15 00:19:22 +00:00
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namespace atom {
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namespace api {
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2015-01-16 19:39:25 +00:00
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namespace {
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2015-01-16 20:02:32 +00:00
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// Find an item in container according to its ID.
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2015-01-16 19:39:25 +00:00
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template<class T>
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typename T::iterator FindById(T* container, int id) {
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auto predicate = [id] (const typename T::value_type& item) -> bool {
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return item.id() == id;
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};
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return std::find_if(container->begin(), container->end(), predicate);
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}
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2015-01-16 20:02:32 +00:00
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// Convert the changed_metrics bitmask to string array.
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std::vector<std::string> MetricsToArray(uint32_t metrics) {
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std::vector<std::string> array;
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if (metrics & gfx::DisplayObserver::DISPLAY_METRIC_BOUNDS)
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array.push_back("bounds");
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if (metrics & gfx::DisplayObserver::DISPLAY_METRIC_WORK_AREA)
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array.push_back("workArea");
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if (metrics & gfx::DisplayObserver::DISPLAY_METRIC_DEVICE_SCALE_FACTOR)
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array.push_back("scaleFactor");
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if (metrics & gfx::DisplayObserver::DISPLAY_METRIC_ROTATION)
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array.push_back("rotaion");
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return array;
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}
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2015-01-16 19:39:25 +00:00
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} // namespace
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2015-01-15 00:19:22 +00:00
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Screen::Screen(gfx::Screen* screen) : screen_(screen) {
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2015-05-16 16:35:56 +00:00
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displays_ = screen_->GetAllDisplays();
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2015-01-16 19:39:25 +00:00
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screen_->AddObserver(this);
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}
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Screen::~Screen() {
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2015-01-16 19:39:25 +00:00
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screen_->RemoveObserver(this);
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2015-01-15 00:19:22 +00:00
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}
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gfx::Point Screen::GetCursorScreenPoint() {
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return screen_->GetCursorScreenPoint();
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}
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gfx::Display Screen::GetPrimaryDisplay() {
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return screen_->GetPrimaryDisplay();
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}
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std::vector<gfx::Display> Screen::GetAllDisplays() {
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return displays_;
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2015-01-15 00:19:22 +00:00
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}
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gfx::Display Screen::GetDisplayNearestPoint(const gfx::Point& point) {
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return screen_->GetDisplayNearestPoint(point);
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}
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gfx::Display Screen::GetDisplayMatching(const gfx::Rect& match_rect) {
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return screen_->GetDisplayMatching(match_rect);
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}
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void Screen::OnDisplayAdded(const gfx::Display& new_display) {
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2015-01-16 19:39:25 +00:00
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displays_.push_back(new_display);
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2015-01-16 20:02:32 +00:00
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Emit("display-added", new_display);
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2015-01-15 00:19:22 +00:00
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}
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void Screen::OnDisplayRemoved(const gfx::Display& old_display) {
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2015-01-19 22:46:29 +00:00
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auto iter = FindById(&displays_, old_display.id());
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if (iter == displays_.end())
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return;
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displays_.erase(iter);
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2015-01-16 20:02:32 +00:00
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Emit("display-removed", old_display);
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2015-01-15 00:19:22 +00:00
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}
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void Screen::OnDisplayMetricsChanged(const gfx::Display& display,
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uint32_t changed_metrics) {
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2015-01-19 22:46:29 +00:00
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auto iter = FindById(&displays_, display.id());
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if (iter == displays_.end())
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return;
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*iter = display;
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2015-01-16 20:02:32 +00:00
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Emit("display-metrics-changed", display, MetricsToArray(changed_metrics));
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2015-01-15 00:19:22 +00:00
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}
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mate::ObjectTemplateBuilder Screen::GetObjectTemplateBuilder(
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v8::Isolate* isolate) {
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return mate::ObjectTemplateBuilder(isolate)
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.SetMethod("getCursorScreenPoint", &Screen::GetCursorScreenPoint)
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.SetMethod("getPrimaryDisplay", &Screen::GetPrimaryDisplay)
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.SetMethod("getAllDisplays", &Screen::GetAllDisplays)
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.SetMethod("getDisplayNearestPoint", &Screen::GetDisplayNearestPoint)
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2015-10-04 01:35:00 +00:00
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.SetMethod("getDisplayMatching", &Screen::GetDisplayMatching);
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2015-01-15 00:19:22 +00:00
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}
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// static
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2015-05-22 11:11:22 +00:00
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v8::Local<v8::Value> Screen::Create(v8::Isolate* isolate) {
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2015-01-15 00:37:48 +00:00
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if (!Browser::Get()->is_ready()) {
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2015-09-07 08:12:31 +00:00
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isolate->ThrowException(v8::Exception::Error(mate::StringToV8(
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isolate,
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"Cannot initialize \"screen\" module before app is ready")));
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2015-03-26 03:34:41 +00:00
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return v8::Null(isolate);
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2015-01-15 00:37:48 +00:00
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}
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2015-01-15 00:19:22 +00:00
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gfx::Screen* screen = gfx::Screen::GetNativeScreen();
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if (!screen) {
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2015-09-07 08:12:31 +00:00
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isolate->ThrowException(v8::Exception::Error(mate::StringToV8(
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isolate, "Failed to get screen information")));
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2015-03-26 03:34:41 +00:00
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return v8::Null(isolate);
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2015-01-15 00:19:22 +00:00
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}
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2015-01-15 00:37:48 +00:00
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return mate::CreateHandle(isolate, new Screen(screen)).ToV8();
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2015-01-15 00:19:22 +00:00
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}
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} // namespace api
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} // namespace atom
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2014-04-15 08:25:39 +00:00
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namespace {
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2014-01-07 12:15:55 +00:00
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2015-05-22 11:11:22 +00:00
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void Initialize(v8::Local<v8::Object> exports, v8::Local<v8::Value> unused,
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v8::Local<v8::Context> context, void* priv) {
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2014-06-29 12:48:44 +00:00
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mate::Dictionary dict(context->GetIsolate(), exports);
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2015-01-15 00:19:22 +00:00
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dict.Set("screen", atom::api::Screen::Create(context->GetIsolate()));
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2014-01-07 12:00:25 +00:00
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}
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2014-04-15 08:25:39 +00:00
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} // namespace
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2014-01-07 12:00:25 +00:00
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2014-06-29 12:48:44 +00:00
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NODE_MODULE_CONTEXT_AWARE_BUILTIN(atom_common_screen, Initialize)
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