aw: Split hardware rendering into HardwareRenderer

android_webview/browser/gl_view_renderer_manager.cc

 // 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 "android_webview/browser/gl_view_renderer_manager.h"
 
 #include "base/logging.h"
 #include "base/threading/platform_thread.h"
 
 namespace android_webview {
 
 using base::AutoLock;
 
+namespace {
+base::LazyInstance<GLViewRendererManager>::Leaky g_view_renderer_manager =
+    LAZY_INSTANCE_INITIALIZER;
+}  // namespace
+
+// static
+GLViewRendererManager* GLViewRendererManager::GetInstance() {
+  return g_view_renderer_manager.Pointer();
+}
+
 GLViewRendererManager::GLViewRendererManager() {}
 
 GLViewRendererManager::~GLViewRendererManager() {}
 
 bool GLViewRendererManager::OnRenderThread() const {
   AutoLock auto_lock(lock_);
   return render_thread_.is_equal(base::PlatformThread::CurrentHandle());
 }
 
 void GLViewRendererManager::MarkRenderThread() {
   lock_.AssertAcquired();
   if (render_thread_.is_null())
     render_thread_ = base::PlatformThread::CurrentHandle();
   DCHECK(render_thread_.is_equal(base::PlatformThread::CurrentHandle()));
 }
 
 GLViewRendererManager::Key GLViewRendererManager::DidDrawGL(
     Key key,
-    BrowserViewRenderer* view) {
+    HardwareRenderer* view) {
   AutoLock auto_lock(lock_);
   MarkRenderThread();
 
   if (key == mru_list_.end()) {
     DCHECK(mru_list_.end() ==
            std::find(mru_list_.begin(), mru_list_.end(), view));
     mru_list_.push_front(view);
     return mru_list_.begin();
   } else {
     DCHECK(*key == view);
     mru_list_.splice(mru_list_.begin(), mru_list_, key);
     return key;
   }
 }
 
 void GLViewRendererManager::NoLongerExpectsDrawGL(Key key) {
   AutoLock auto_lock(lock_);
   DCHECK(mru_list_.end() != key);
   mru_list_.erase(key);
 }
 
-BrowserViewRenderer* GLViewRendererManager::GetMostRecentlyDrawn() const {
+HardwareRenderer* GLViewRendererManager::GetMostRecentlyDrawn() const {
   AutoLock auto_lock(lock_);
   if (mru_list_.begin() == mru_list_.end())
     return NULL;
   return *mru_list_.begin();
 }
 
 GLViewRendererManager::Key GLViewRendererManager::NullKey() {
   AutoLock auto_lock(lock_);
   return mru_list_.end();
 }
 
 }  // namespace android_webview