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63e71803de
After this patch, we no longer link with Mojo. We still use some gn definitions from //mojo to create Dart packages.
146 lines
4.5 KiB
C++
146 lines
4.5 KiB
C++
/*
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* Copyright (C) 2009 Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "flutter/sky/engine/public/web/Sky.h"
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#include "flutter/glue/trace_event.h"
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#include "flutter/sky/engine/core/Init.h"
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#include "flutter/sky/engine/public/platform/Platform.h"
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#include "flutter/sky/engine/wtf/Assertions.h"
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#include "flutter/sky/engine/wtf/MainThread.h"
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#include "flutter/sky/engine/wtf/text/AtomicString.h"
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#include "flutter/sky/engine/wtf/text/TextEncoding.h"
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#include "flutter/sky/engine/wtf/WTF.h"
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#include "lib/ftl/build_config.h"
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#include "lib/tonic/dart_microtask_queue.h"
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#if defined(OS_FUCHSIA)
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#include "lib/mtl/tasks/message_loop.h"
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#else // defined(OS_FUCHSIA)
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#include "base/message_loop/message_loop.h"
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#endif // defined(OS_FUCHSIA)
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namespace blink {
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namespace {
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void didProcessTask() {
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tonic::DartMicrotaskQueue::RunMicrotasks();
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// FIXME: Report memory usage to dart?
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}
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#if defined(OS_FUCHSIA)
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void addMessageLoopObservers() {
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mtl::MessageLoop::GetCurrent()->SetAfterTaskCallback(didProcessTask);
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}
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void removeMessageLoopObservers() {
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mtl::MessageLoop::GetCurrent()->ClearAfterTaskCallback();
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}
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#else // defined(OS_FUCHSIA)
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class TaskObserver : public base::MessageLoop::TaskObserver {
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public:
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void WillProcessTask(const base::PendingTask& pending_task) override {}
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void DidProcessTask(const base::PendingTask& pending_task) override {
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didProcessTask();
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}
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};
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static TaskObserver* s_taskObserver = 0;
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void addMessageLoopObservers() {
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ASSERT(!s_taskObserver);
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s_taskObserver = new TaskObserver;
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base::MessageLoop::current()->AddTaskObserver(s_taskObserver);
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}
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void removeMessageLoopObservers() {
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base::MessageLoop::current()->RemoveTaskObserver(s_taskObserver);
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ASSERT(s_taskObserver);
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delete s_taskObserver;
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s_taskObserver = 0;
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}
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#endif // defined(OS_FUCHSIA)
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} // namespace
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// Make sure we are not re-initialized in the same address space.
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// Doing so may cause hard to reproduce crashes.
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static bool s_webKitInitialized = false;
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void InitEngine(Platform* platform) {
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TRACE_EVENT0("flutter", "InitEngine");
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ASSERT(!s_webKitInitialized);
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s_webKitInitialized = true;
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ASSERT(platform);
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Platform::initialize(platform);
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WTF::initialize();
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WTF::initializeMainThread();
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DEFINE_STATIC_LOCAL(CoreInitializer, initializer, ());
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initializer.init();
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// There are some code paths (for example, running WebKit in the browser
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// process and calling into LocalStorage before anything else) where the
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// UTF8 string encoding tables are used on a background thread before
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// they're set up. This is a problem because their set up routines assert
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// they're running on the main WebKitThread. It might be possible to make
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// the initialization thread-safe, but given that so many code paths use
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// this, initializing this lazily probably doesn't buy us much.
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WTF::UTF8Encoding();
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addMessageLoopObservers();
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}
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void ShutdownEngine() {
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removeMessageLoopObservers();
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// FIXME: Shutdown dart?
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CoreInitializer::shutdown();
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WTF::shutdown();
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Platform::shutdown();
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}
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} // namespace blink
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