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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 UI_APP_LIST_VIEWS_CONTENTS_VIEW_H_
#define UI_APP_LIST_VIEWS_CONTENTS_VIEW_H_
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "ui/views/view.h"
namespace views {
class BoundsAnimator;
class ViewModel;
}
namespace app_list {
class AppsGridView;
class ApplicationDragAndDropHost;
class AppListMainView;
class AppListModel;
class PaginationModel;
// A view to manage sub views under the search box (apps grid view + page
// switcher and search results). The two sets of sub views are mutually
// exclusive. ContentsView manages a show state to choose one set to show
// and animates the transition between show states.
class ContentsView : public views::View {
public:
ContentsView(AppListMainView* app_list_main_view,
PaginationModel* pagination_model);
virtual ~ContentsView();
void SetModel(AppListModel* model);
// If |drag_and_drop| is not NULL it will be called upon drag and drop
// operations outside the application list.
void SetDragAndDropHostOfCurrentAppList(
app_list::ApplicationDragAndDropHost* drag_and_drop_host);
void ShowSearchResults(bool show);
void Prerender();
private:
enum ShowState {
SHOW_APPS,
SHOW_SEARCH_RESULTS,
};
// Sets show state.
void SetShowState(ShowState show_state);
// Invoked when show state is changed.
void ShowStateChanged();
void CalculateIdealBounds();
void AnimateToIdealBounds();
// Overridden from views::View:
virtual gfx::Size GetPreferredSize() OVERRIDE;
virtual void Layout() OVERRIDE;
virtual bool OnKeyPressed(const ui::KeyEvent& event) OVERRIDE;
virtual bool OnMouseWheel(const ui::MouseWheelEvent& event) OVERRIDE;
// Overridden from ui::EventHandler:
virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE;
virtual void OnScrollEvent(ui::ScrollEvent* event) OVERRIDE;
ShowState show_state_;
PaginationModel* pagination_model_; // Owned by AppListController.
AppsGridView* apps_grid_view_; // Owned by the view.
scoped_ptr<views::ViewModel> view_model_;
scoped_ptr<views::BoundsAnimator> bounds_animator_;
DISALLOW_COPY_AND_ASSIGN(ContentsView);
};
} // namespace app_list
#endif // UI_APP_LIST_VIEWS_CONTENTS_VIEW_H_
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