src/webkit/child/webkitplatformsupport_child_impl.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "webkit/child/webkitplatformsupport_child_impl.h"
   6
   7 #include "base/memory/discardable_memory.h"
   8 #include "third_party/WebKit/public/web/WebInputEvent.h"
   9 #include "webkit/child/fling_curve_configuration.h"
  10 #include "webkit/child/web_discardable_memory_impl.h"
  11 #include "webkit/child/webthread_impl.h"
  12 #include "webkit/child/worker_task_runner.h"
  13
  14 #if defined(OS_ANDROID)
  15 #include "webkit/child/fling_animator_impl_android.h"
  16 #endif
  17
  18 using WebKit::WebFallbackThemeEngine;
  19 using WebKit::WebThemeEngine;
  20
  21 namespace webkit_glue {
  22
  23 WebKitPlatformSupportChildImpl::WebKitPlatformSupportChildImpl()
  24     : current_thread_slot_(&DestroyCurrentThread),
  25       fling_curve_configuration_(new FlingCurveConfiguration) {}
  26
  27 WebKitPlatformSupportChildImpl::~WebKitPlatformSupportChildImpl() {}
  28
  29 WebThemeEngine* WebKitPlatformSupportChildImpl::themeEngine() {
  30   return &native_theme_engine_;
  31 }
  32
  33 WebFallbackThemeEngine* WebKitPlatformSupportChildImpl::fallbackThemeEngine() {
  34   return &fallback_theme_engine_;
  35 }
  36
  37 void WebKitPlatformSupportChildImpl::SetFlingCurveParameters(
  38     const std::vector<float>& new_touchpad,
  39     const std::vector<float>& new_touchscreen) {
  40   fling_curve_configuration_->SetCurveParameters(new_touchpad, new_touchscreen);
  41 }
  42
  43 WebKit::WebGestureCurve*
  44 WebKitPlatformSupportChildImpl::createFlingAnimationCurve(
  45     int device_source,
  46     const WebKit::WebFloatPoint& velocity,
  47     const WebKit::WebSize& cumulative_scroll) {
  48 #if defined(OS_ANDROID)
  49   return FlingAnimatorImpl::CreateAndroidGestureCurve(velocity,
  50                                                       cumulative_scroll);
  51 #endif
  52
  53   if (device_source == WebKit::WebGestureEvent::Touchscreen)
  54     return fling_curve_configuration_->CreateForTouchScreen(velocity,
  55                                                             cumulative_scroll);
  56
  57   return fling_curve_configuration_->CreateForTouchPad(velocity,
  58                                                        cumulative_scroll);
  59 }
  60
  61 WebKit::WebThread* WebKitPlatformSupportChildImpl::createThread(
  62     const char* name) {
  63   return new WebThreadImpl(name);
  64 }
  65
  66 WebKit::WebThread* WebKitPlatformSupportChildImpl::currentThread() {
  67   WebThreadImplForMessageLoop* thread =
  68       static_cast<WebThreadImplForMessageLoop*>(current_thread_slot_.Get());
  69   if (thread)
  70     return (thread);
  71
  72   scoped_refptr<base::MessageLoopProxy> message_loop =
  73       base::MessageLoopProxy::current();
  74   if (!message_loop.get())
  75     return NULL;
  76
  77   thread = new WebThreadImplForMessageLoop(message_loop.get());
  78   current_thread_slot_.Set(thread);
  79   return thread;
  80 }
  81
  82 void WebKitPlatformSupportChildImpl::didStartWorkerRunLoop(
  83     const WebKit::WebWorkerRunLoop& runLoop) {
  84   WorkerTaskRunner* worker_task_runner = WorkerTaskRunner::Instance();
  85   worker_task_runner->OnWorkerRunLoopStarted(runLoop);
  86 }
  87
  88 void WebKitPlatformSupportChildImpl::didStopWorkerRunLoop(
  89     const WebKit::WebWorkerRunLoop& runLoop) {
  90   WorkerTaskRunner* worker_task_runner = WorkerTaskRunner::Instance();
  91   worker_task_runner->OnWorkerRunLoopStopped(runLoop);
  92 }
  93
  94 WebKit::WebDiscardableMemory*
  95 WebKitPlatformSupportChildImpl::allocateAndLockDiscardableMemory(size_t bytes) {
  96   return WebDiscardableMemoryImpl::CreateLockedMemory(bytes).release();
  97 }
  98
  99 // static
 100 void WebKitPlatformSupportChildImpl::DestroyCurrentThread(void* thread) {
 101   WebThreadImplForMessageLoop* impl =
 102       static_cast<WebThreadImplForMessageLoop*>(thread);
 103   delete impl;
 104 }
 105
 106 }  // namespace webkit_glue