ozone: Add OzoneSurface object that is owned by compositor, GLSurface

ui/gfx/ozone/impl/file_surface_factory.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 "ui/gfx/ozone/impl/file_surface_factory.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/location.h"
 #include "base/stl_util.h"
 #include "base/threading/worker_pool.h"
 #include "third_party/skia/include/core/SkBitmapDevice.h"
 #include "third_party/skia/include/core/SkDevice.h"
 #include "ui/gfx/codec/png_codec.h"
+#include "ui/gfx/ozone/surface_ozone.h"
+#include "ui/gfx/skia_util.h"
 #include "ui/gfx/vsync_provider.h"
 
+namespace gfx {
+
 namespace {
 
 void WriteDataToFile(const base::FilePath& location,
                      const SkBitmap& bitmap) {
   std::vector<unsigned char> png_data;
   gfx::PNGCodec::FastEncodeBGRASkBitmap(bitmap, true, &png_data);
   base::WriteFile(location,
                   reinterpret_cast<const char*>(vector_as_array(&png_data)),
                   png_data.size());
 }
 
-}
+class FileSurface : public SurfaceOzone {
+ public:
+  FileSurface(const base::FilePath& location) : location_(location) {}
+  virtual ~FileSurface() {}
 
-namespace gfx {
+  bool InitializeCanvas() OVERRIDE {
+    return true;
+  }
+
+  bool ResizeCanvas(const Rect& bounds) OVERRIDE {
+    device_ = skia::AdoptRef(new SkBitmapDevice(
+        SkBitmap::kARGB_8888_Config, bounds.width(), bounds.height()));
+    canvas_ = skia::AdoptRef(new SkCanvas(device_.get()));
+    return true;
+  }
+
+  SkCanvas* GetCanvas() OVERRIDE { return canvas_.get(); }
+
+  bool SwapCanvas() OVERRIDE {
+    SkBitmap bitmap;
+    bitmap.setConfig(
+        SkBitmap::kARGB_8888_Config, device_->width(), device_->height());
+
+    if (canvas_->readPixels(&bitmap, 0, 0)) {
+      base::WorkerPool::PostTask(
+          FROM_HERE, base::Bind(&WriteDataToFile, location_, bitmap), true);
+    }
+    return true;
+  }
+
+ private:
+  base::FilePath location_;
+  skia::RefPtr<SkBitmapDevice> device_;
+  skia::RefPtr<SkCanvas> canvas_;
+};
+
+}  // namespace
 
 FileSurfaceFactory::FileSurfaceFactory(
     const base::FilePath& dump_location)
     : location_(dump_location) {
   CHECK(!base::DirectoryExists(location_))
       << "Location cannot be a directory (" << location_.value() << ")";
   CHECK(!base::PathExists(location_) || base::PathIsWritable(location_));
 }
 
 FileSurfaceFactory::~FileSurfaceFactory() {}
 
 SurfaceFactoryOzone::HardwareState
 FileSurfaceFactory::InitializeHardware() {
   return INITIALIZED;
 }
 
 void FileSurfaceFactory::ShutdownHardware() {
 }
 
 AcceleratedWidget FileSurfaceFactory::GetAcceleratedWidget() {
   return 1;
 }
 
-AcceleratedWidget FileSurfaceFactory::RealizeAcceleratedWidget(
+scoped_ptr<SurfaceOzone> FileSurfaceFactory::CreateSurfaceForWidget(
     AcceleratedWidget widget) {
-  return 1;
+  return make_scoped_ptr<SurfaceOzone>(new FileSurface(location_));
 }
 
 bool FileSurfaceFactory::LoadEGLGLES2Bindings(
       AddGLLibraryCallback add_gl_library,
       SetGLGetProcAddressProcCallback set_gl_get_proc_address) {
   return false;
 }
 
-bool FileSurfaceFactory::AttemptToResizeAcceleratedWidget(
-    AcceleratedWidget widget,
-    const Rect& bounds) {
-  device_ = skia::AdoptRef(new SkBitmapDevice(SkBitmap::kARGB_8888_Config,
-                                              bounds.width(),
-                                              bounds.height()));
-  canvas_ = skia::AdoptRef(new SkCanvas(device_.get()));
-  return true;
-}
-
-bool FileSurfaceFactory::SchedulePageFlip(AcceleratedWidget widget) {
-  SkBitmap bitmap;
-  bitmap.setConfig(SkBitmap::kARGB_8888_Config,
-                   device_->width(),
-                   device_->height());
-
-  if (canvas_->readPixels(&bitmap, 0, 0)) {
-    base::WorkerPool::PostTask(FROM_HERE,
-        base::Bind(&WriteDataToFile, location_, bitmap),
-        true);
-  }
-  return true;
-}
-
-SkCanvas* FileSurfaceFactory::GetCanvasForWidget(AcceleratedWidget w) {
-  return canvas_.get();
-}
-
-scoped_ptr<VSyncProvider> FileSurfaceFactory::CreateVSyncProvider(
-    AcceleratedWidget w) {
-  return scoped_ptr<VSyncProvider>();
-}
-
 }  // namespace gfx