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e53bba60a5
This patch adds utility functions which provide a single choke point for calling into sky application code. For now this is only serving the purpose of having a common trace event for calls into app code. R=abarth@chromium.org, abarth BUG= Review URL: https://codereview.chromium.org/941153003
42 lines
1.1 KiB
C++
42 lines
1.1 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/config.h"
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#include "sky/engine/bindings/dart_callback.h"
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#include "sky/engine/tonic/dart_converter.h"
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#include "sky/engine/tonic/dart_error.h"
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#include "sky/engine/tonic/dart_invoke.h"
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#include "sky/engine/tonic/dart_state.h"
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namespace blink {
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DartCallback::DartCallback(DartState* dart_state,
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Dart_Handle callback,
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Dart_Handle& exception)
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: callback_(dart_state, callback) {
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if (!Dart_IsClosure(callback)) {
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exception = ToDart("Callback must be a function");
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callback_.Clear();
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}
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}
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DartCallback::~DartCallback() {
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}
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bool DartCallback::IsIsolateAlive() const {
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return !!callback_.dart_state();
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}
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Dart_Isolate DartCallback::GetIsolate() const {
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return callback_.dart_state()->isolate();
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}
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bool DartCallback::handleEvent(int argc, Dart_Handle* argv) {
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DartInvokeAppClosure(callback_.value(), argc, argv);
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return true;
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}
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} // namespace blink
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