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// Copyright 2015 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_VIEW_MANAGER_ROOT_IMPL_H_
#define COMPONENTS_VIEW_MANAGER_VIEW_MANAGER_ROOT_IMPL_H_
#include "base/memory/scoped_ptr.h"
#include "components/view_manager/display_manager.h"
#include "components/view_manager/public/cpp/types.h"
#include "components/view_manager/public/interfaces/view_manager_root.mojom.h"
#include "components/view_manager/server_view.h"
namespace view_manager {
class ConnectionManager;
class ViewManagerRootDelegate;
class ViewManagerServiceImpl;
// ViewManagerRootImpl is an implementation of the ViewManagerRoot interface.
// It serves as a top level root view for a window. Its lifetime is managed by
// ConnectionManager. If the connection to the client breaks or if the user
// closes the associated window, then this object and related state will be
// deleted.
class ViewManagerRootImpl : public DisplayManagerDelegate,
public mojo::ViewManagerRoot {
public:
// TODO(fsamuel): All these parameters are just plumbing for creating
// DisplayManagers. We should probably just store these common parameters
// in the DisplayManagerFactory and pass them along on DisplayManager::Create.
ViewManagerRootImpl(ConnectionManager* connection_manager,
bool is_headless,
mojo::ApplicationImpl* app_impl,
const scoped_refptr<gles2::GpuState>& gpu_state);
~ViewManagerRootImpl() override;
// Initializes state that depends on the existence of a ViewManagerRootImpl.
void Init(ViewManagerRootDelegate* delegate);
ViewManagerServiceImpl* GetViewManagerService();
mojo::ViewManagerRootClient* client() const { return client_.get(); }
// Returns whether |view| is a descendant of this root but not itself a
// root view.
bool IsViewAttachedToRoot(const ServerView* view) const;
// Schedules a paint for the specified region in the coordinates of |view| if
// the |view| is in this viewport. Returns whether |view| is in the viewport.
bool SchedulePaintIfInViewport(const ServerView* view,
const gfx::Rect& bounds);
// Returns the metrics for this viewport.
const mojo::ViewportMetrics& GetViewportMetrics() const;
ConnectionManager* connection_manager() { return connection_manager_; }
// Returns the root ServerView of this viewport.
ServerView* root_view() { return root_.get(); }
void UpdateTextInputState(const ui::TextInputState& state);
void SetImeVisibility(bool visible);
// ViewManagerRoot:
void SetViewManagerRootClient(mojo::ViewManagerRootClientPtr client) override;
void SetViewportSize(mojo::SizePtr size) override;
void CloneAndAnimate(mojo::Id transport_view_id) override;
void AddAccelerator(mojo::KeyboardCode keyboard_code,
mojo::EventFlags flags) override;
void RemoveAccelerator(mojo::KeyboardCode keyboard_code,
mojo::EventFlags flags) override;
private:
// DisplayManagerDelegate:
ServerView* GetRootView() override;
void OnEvent(mojo::EventPtr event) override;
void OnDisplayClosed() override;
void OnViewportMetricsChanged(
const mojo::ViewportMetrics& old_metrics,
const mojo::ViewportMetrics& new_metrics) override;
ViewManagerRootDelegate* delegate_;
ConnectionManager* const connection_manager_;
mojo::ViewManagerRootClientPtr client_;
scoped_ptr<ServerView> root_;
scoped_ptr<DisplayManager> display_manager_;
DISALLOW_COPY_AND_ASSIGN(ViewManagerRootImpl);
};
} // namespace view_manager
#endif // COMPONENTS_VIEW_MANAGER_VIEW_MANAGER_ROOT_IMPL_H_
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