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02d75552c9
Currently this code isn't completely wired up, but this patch is an incremental step in that direction.
102 lines
2.7 KiB
C++
102 lines
2.7 KiB
C++
// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "sky/engine/core/window/window.h"
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#include "sky/engine/core/compositing/Scene.h"
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#include "sky/engine/core/events/Event.h"
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#include "sky/engine/core/script/dom_dart_state.h"
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#include "sky/engine/public/platform/sky_display_metrics.h"
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#include "sky/engine/tonic/dart_converter.h"
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#include "sky/engine/tonic/dart_invoke.h"
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#include "sky/engine/tonic/dart_library_natives.h"
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namespace blink {
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namespace {
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void ScheduleFrame(Dart_NativeArguments args) {
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DOMDartState::Current()->window()->client()->ScheduleFrame();
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}
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void Render(Dart_NativeArguments args) {
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Dart_Handle exception = nullptr;
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Scene* scene = DartConverter<Scene*>::FromArgumentsWithNullCheck(
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args, 1, exception);
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if (exception) {
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Dart_ThrowException(exception);
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return;
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}
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DOMDartState::Current()->window()->client()->Render(scene);
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}
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} // namespace
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WindowClient::~WindowClient() {
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}
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Window::Window(WindowClient* client)
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: client_(client) {
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}
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Window::~Window() {
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}
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void Window::DidCreateIsolate() {
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library_.Set(DartState::Current(), Dart_LookupLibrary(ToDart("dart:ui")));
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}
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void Window::UpdateWindowMetrics(const SkyDisplayMetrics& metrics) {
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DartState* dart_state = library_.dart_state().get();
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if (!dart_state)
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return;
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DartState::Scope scope(dart_state);
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double device_pixel_ratio = metrics.device_pixel_ratio;
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double width = metrics.physical_size.width / device_pixel_ratio;
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double height = metrics.physical_size.height / device_pixel_ratio;
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DartInvokeField(library_.value(), "_updateWindowMetrics", {
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ToDart(device_pixel_ratio),
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ToDart(width),
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ToDart(height),
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ToDart(metrics.padding_top),
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ToDart(metrics.padding_right),
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ToDart(metrics.padding_bottom),
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ToDart(metrics.padding_left),
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});
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}
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void Window::DispatchEvent(Event* event) {
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DartState* dart_state = library_.dart_state().get();
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if (!dart_state)
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return;
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DartState::Scope scope(dart_state);
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DartInvokeField(library_.value(), "_dispatchEvent", {
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ToDart(event),
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});
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}
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void Window::BeginFrame(base::TimeTicks frameTime) {
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DartState* dart_state = library_.dart_state().get();
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if (!dart_state)
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return;
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DartState::Scope scope(dart_state);
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int64_t microseconds = (frameTime - base::TimeTicks()).InMicroseconds();
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DartInvokeField(library_.value(), "_beginFrame", {
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Dart_NewInteger(microseconds),
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});
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}
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void Window::RegisterNatives(DartLibraryNatives* natives) {
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natives->Register({
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{ "Window_scheduleFrame", ScheduleFrame, 1, true },
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{ "Window_render", Render, 2, true },
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});
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}
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} // namespace blink
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