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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "webkit/child/webkitplatformsupport_child_impl.h"
#include "base/memory/discardable_memory.h"
#include "third_party/WebKit/public/web/WebInputEvent.h"
#include "webkit/child/fling_curve_configuration.h"
#include "webkit/child/web_discardable_memory_impl.h"
#include "webkit/child/webthread_impl.h"
#include "webkit/child/worker_task_runner.h"
#if defined(OS_ANDROID)
#include "webkit/child/fling_animator_impl_android.h"
#endif
using blink::WebFallbackThemeEngine;
using blink::WebThemeEngine;
namespace webkit_glue {
WebKitPlatformSupportChildImpl::WebKitPlatformSupportChildImpl()
: current_thread_slot_(&DestroyCurrentThread),
fling_curve_configuration_(new FlingCurveConfiguration) {}
WebKitPlatformSupportChildImpl::~WebKitPlatformSupportChildImpl() {}
WebThemeEngine* WebKitPlatformSupportChildImpl::themeEngine() {
return &native_theme_engine_;
}
WebFallbackThemeEngine* WebKitPlatformSupportChildImpl::fallbackThemeEngine() {
return &fallback_theme_engine_;
}
void WebKitPlatformSupportChildImpl::SetFlingCurveParameters(
const std::vector<float>& new_touchpad,
const std::vector<float>& new_touchscreen) {
fling_curve_configuration_->SetCurveParameters(new_touchpad, new_touchscreen);
}
blink::WebGestureCurve*
WebKitPlatformSupportChildImpl::createFlingAnimationCurve(
int device_source,
const blink::WebFloatPoint& velocity,
const blink::WebSize& cumulative_scroll) {
#if defined(OS_ANDROID)
return FlingAnimatorImpl::CreateAndroidGestureCurve(velocity,
cumulative_scroll);
#endif
if (device_source == blink::WebGestureEvent::Touchscreen)
return fling_curve_configuration_->CreateForTouchScreen(velocity,
cumulative_scroll);
return fling_curve_configuration_->CreateForTouchPad(velocity,
cumulative_scroll);
}
blink::WebThread* WebKitPlatformSupportChildImpl::createThread(
const char* name) {
return new WebThreadImpl(name);
}
blink::WebThread* WebKitPlatformSupportChildImpl::currentThread() {
WebThreadImplForMessageLoop* thread =
static_cast<WebThreadImplForMessageLoop*>(current_thread_slot_.Get());
if (thread)
return (thread);
scoped_refptr<base::MessageLoopProxy> message_loop =
base::MessageLoopProxy::current();
if (!message_loop.get())
return NULL;
thread = new WebThreadImplForMessageLoop(message_loop.get());
current_thread_slot_.Set(thread);
return thread;
}
void WebKitPlatformSupportChildImpl::didStartWorkerRunLoop(
const blink::WebWorkerRunLoop& runLoop) {
WorkerTaskRunner* worker_task_runner = WorkerTaskRunner::Instance();
worker_task_runner->OnWorkerRunLoopStarted(runLoop);
}
void WebKitPlatformSupportChildImpl::didStopWorkerRunLoop(
const blink::WebWorkerRunLoop& runLoop) {
WorkerTaskRunner* worker_task_runner = WorkerTaskRunner::Instance();
worker_task_runner->OnWorkerRunLoopStopped(runLoop);
}
blink::WebDiscardableMemory*
WebKitPlatformSupportChildImpl::allocateAndLockDiscardableMemory(size_t bytes) {
base::DiscardableMemoryType type =
base::DiscardableMemory::GetPreferredType();
if (type == base::DISCARDABLE_MEMORY_TYPE_EMULATED)
return NULL;
return WebDiscardableMemoryImpl::CreateLockedMemory(bytes).release();
}
// static
void WebKitPlatformSupportChildImpl::DestroyCurrentThread(void* thread) {
WebThreadImplForMessageLoop* impl =
static_cast<WebThreadImplForMessageLoop*>(thread);
delete impl;
}
} // namespace webkit_glue
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