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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.
#ifndef COMPONENTS_VIEW_MANAGER_DISPLAY_MANAGER_H_
#define COMPONENTS_VIEW_MANAGER_DISPLAY_MANAGER_H_
#include <map>
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/timer/timer.h"
#include "third_party/mojo/src/mojo/public/cpp/bindings/callback.h"
#include "third_party/mojo_services/src/native_viewport/public/interfaces/native_viewport.mojom.h"
#include "third_party/mojo_services/src/surfaces/public/interfaces/display.mojom.h"
#include "third_party/mojo_services/src/view_manager/public/interfaces/view_manager.mojom.h"
#include "ui/gfx/geometry/rect.h"
namespace cc {
class SurfaceIdAllocator;
}
namespace mojo {
class ApplicationConnection;
class ApplicationImpl;
}
namespace view_manager {
class ConnectionManager;
class ServerView;
// DisplayManager is used to connect the root ServerView to a display.
class DisplayManager {
public:
virtual ~DisplayManager() {}
virtual void Init(ConnectionManager* connection_manager) = 0;
// Schedules a paint for the specified region in the coordinates of |view|.
virtual void SchedulePaint(const ServerView* view,
const gfx::Rect& bounds) = 0;
virtual void SetViewportSize(const gfx::Size& size) = 0;
virtual const mojo::ViewportMetrics& GetViewportMetrics() = 0;
};
// DisplayManager implementation that connects to the services necessary to
// actually display.
class DefaultDisplayManager : public DisplayManager,
public mojo::ErrorHandler {
public:
DefaultDisplayManager(
mojo::ApplicationImpl* app_impl,
mojo::ApplicationConnection* app_connection,
const mojo::Callback<void()>& native_viewport_closed_callback);
~DefaultDisplayManager() override;
// DisplayManager:
void Init(ConnectionManager* connection_manager) override;
void SchedulePaint(const ServerView* view, const gfx::Rect& bounds) override;
void SetViewportSize(const gfx::Size& size) override;
const mojo::ViewportMetrics& GetViewportMetrics() override;
private:
void WantToDraw();
void Draw();
void DidDraw();
void OnMetricsChanged(mojo::ViewportMetricsPtr metrics);
// ErrorHandler:
void OnConnectionError() override;
mojo::ApplicationImpl* app_impl_;
mojo::ApplicationConnection* app_connection_;
ConnectionManager* connection_manager_;
mojo::ViewportMetrics metrics_;
gfx::Rect dirty_rect_;
base::Timer draw_timer_;
bool frame_pending_;
mojo::DisplayPtr display_;
mojo::NativeViewportPtr native_viewport_;
mojo::Callback<void()> native_viewport_closed_callback_;
base::WeakPtrFactory<DefaultDisplayManager> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(DefaultDisplayManager);
};
} // namespace view_manager
#endif // COMPONENTS_VIEW_MANAGER_DISPLAY_MANAGER_H_
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