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// Copyright (c) 2012 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.
#ifndef CONTENT_PUBLIC_BROWSER_ANDROID_COMPOSITOR_H_
#define CONTENT_PUBLIC_BROWSER_ANDROID_COMPOSITOR_H_
#include "base/callback.h"
#include "cc/resources/ui_resource_bitmap.h"
#include "content/common/content_export.h"
#include "ui/android/resources/ui_resource_provider.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/native_widget_types.h"
class SkBitmap;
namespace cc {
class Layer;
}
namespace gfx {
class JavaBitmap;
}
namespace ui {
class ResourceManager;
class UIResourceProvider;
}
namespace content {
class CompositorClient;
// An interface to the browser-side compositor.
class CONTENT_EXPORT Compositor {
public:
virtual ~Compositor() {}
// Performs the global initialization needed before any compositor
// instance can be used. This should be called only once.
static void Initialize();
// Creates and returns a compositor instance. |root_window| needs to outlive
// the compositor as it manages callbacks on the compositor.
static Compositor* Create(CompositorClient* client,
gfx::NativeWindow root_window);
// Attaches the layer tree.
virtual void SetRootLayer(scoped_refptr<cc::Layer> root) = 0;
// Set the scale factor from DIP to pixel.
virtual void setDeviceScaleFactor(float factor) = 0;
// Set the output surface bounds.
virtual void SetWindowBounds(const gfx::Size& size) = 0;
// Sets the window visibility. When becoming invisible, resources will get
// freed and other calls into the compositor are not allowed until after
// having been made visible again.
virtual void SetVisible(bool visible) = 0;
// Set the output surface which the compositor renders into.
virtual void SetSurface(jobject surface) = 0;
// Tells the view tree to assume a transparent background when rendering.
virtual void SetHasTransparentBackground(bool flag) = 0;
// Request layout and draw. You only need to call this if you need to trigger
// Composite *without* having modified the layer tree.
virtual void SetNeedsComposite() = 0;
// Returns the UI resource provider associated with the compositor.
virtual ui::UIResourceProvider& GetUIResourceProvider() = 0;
// Returns the resource manager associated with the compositor.
virtual ui::ResourceManager& GetResourceManager() = 0;
protected:
Compositor() {}
};
} // namespace content
#endif // CONTENT_PUBLIC_BROWSER_ANDROID_COMPOSITOR_H_
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