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// Copyright 2014 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 "mojo/aura/context_factory_mojo.h"
#include "base/bind.h"
#include "cc/output/output_surface.h"
#include "cc/output/software_output_device.h"
#include "cc/resources/shared_bitmap_manager.h"
#include "mojo/aura/window_tree_host_mojo.h"
#include "skia/ext/platform_canvas.h"
#include "ui/compositor/reflector.h"
namespace mojo {
namespace {
void FreeSharedBitmap(cc::SharedBitmap* shared_bitmap) {
delete shared_bitmap->memory();
}
void IgnoreSharedBitmap(cc::SharedBitmap* shared_bitmap) {}
class SoftwareOutputDeviceViewManager : public cc::SoftwareOutputDevice {
public:
explicit SoftwareOutputDeviceViewManager(ui::Compositor* compositor)
: compositor_(compositor) {
}
virtual ~SoftwareOutputDeviceViewManager() {}
// cc::SoftwareOutputDevice:
virtual void EndPaint(cc::SoftwareFrameData* frame_data) OVERRIDE {
WindowTreeHostMojo* window_tree_host =
WindowTreeHostMojo::ForCompositor(compositor_);
DCHECK(window_tree_host);
window_tree_host->SetContents(
skia::GetTopDevice(*canvas_)->accessBitmap(true));
SoftwareOutputDevice::EndPaint(frame_data);
}
private:
ui::Compositor* compositor_;
DISALLOW_COPY_AND_ASSIGN(SoftwareOutputDeviceViewManager);
};
// TODO(sky): this is a copy from cc/test. Copy to a common place.
class TestSharedBitmapManager : public cc::SharedBitmapManager {
public:
TestSharedBitmapManager() {}
virtual ~TestSharedBitmapManager() {}
virtual scoped_ptr<cc::SharedBitmap> AllocateSharedBitmap(
const gfx::Size& size) OVERRIDE {
base::AutoLock lock(lock_);
scoped_ptr<base::SharedMemory> memory(new base::SharedMemory);
memory->CreateAndMapAnonymous(size.GetArea() * 4);
cc::SharedBitmapId id = cc::SharedBitmap::GenerateId();
bitmap_map_[id] = memory.get();
return scoped_ptr<cc::SharedBitmap>(
new cc::SharedBitmap(memory.release(), id,
base::Bind(&FreeSharedBitmap)));
}
virtual scoped_ptr<cc::SharedBitmap> GetSharedBitmapFromId(
const gfx::Size&,
const cc::SharedBitmapId& id) OVERRIDE {
base::AutoLock lock(lock_);
if (bitmap_map_.find(id) == bitmap_map_.end())
return scoped_ptr<cc::SharedBitmap>();
return scoped_ptr<cc::SharedBitmap>(
new cc::SharedBitmap(bitmap_map_[id], id,
base::Bind(&IgnoreSharedBitmap)));
}
virtual scoped_ptr<cc::SharedBitmap> GetBitmapForSharedMemory(
base::SharedMemory* memory) OVERRIDE {
base::AutoLock lock(lock_);
cc::SharedBitmapId id = cc::SharedBitmap::GenerateId();
bitmap_map_[id] = memory;
return scoped_ptr<cc::SharedBitmap>(
new cc::SharedBitmap(memory, id, base::Bind(&IgnoreSharedBitmap)));
}
private:
base::Lock lock_;
std::map<cc::SharedBitmapId, base::SharedMemory*> bitmap_map_;
DISALLOW_COPY_AND_ASSIGN(TestSharedBitmapManager);
};
} // namespace
ContextFactoryMojo::ContextFactoryMojo()
: shared_bitmap_manager_(new TestSharedBitmapManager()) {
}
ContextFactoryMojo::~ContextFactoryMojo() {}
scoped_ptr<cc::OutputSurface> ContextFactoryMojo::CreateOutputSurface(
ui::Compositor* compositor,
bool software_fallback) {
scoped_ptr<cc::SoftwareOutputDevice> output_device(
new SoftwareOutputDeviceViewManager(compositor));
return make_scoped_ptr(new cc::OutputSurface(output_device.Pass()));
}
scoped_refptr<ui::Reflector> ContextFactoryMojo::CreateReflector(
ui::Compositor* mirroed_compositor,
ui::Layer* mirroring_layer) {
return new ui::Reflector();
}
void ContextFactoryMojo::RemoveReflector(
scoped_refptr<ui::Reflector> reflector) {
}
scoped_refptr<cc::ContextProvider>
ContextFactoryMojo::SharedMainThreadContextProvider() {
return scoped_refptr<cc::ContextProvider>(NULL);
}
void ContextFactoryMojo::RemoveCompositor(ui::Compositor* compositor) {}
bool ContextFactoryMojo::DoesCreateTestContexts() { return false; }
cc::SharedBitmapManager* ContextFactoryMojo::GetSharedBitmapManager() {
return shared_bitmap_manager_.get();
}
base::MessageLoopProxy* ContextFactoryMojo::GetCompositorMessageLoop() {
return NULL;
}
} // namespace mojo
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