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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 CHROME_BROWSER_UI_PANELS_PANEL_BROWSER_VIEW_H_
#define CHROME_BROWSER_UI_PANELS_PANEL_BROWSER_VIEW_H_
#pragma once
#include "base/gtest_prod_util.h"
#include "base/memory/scoped_ptr.h"
#include "chrome/browser/ui/panels/native_panel.h"
#include "chrome/browser/ui/views/frame/browser_view.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "ui/base/animation/animation_delegate.h"
class Browser;
class NativePanelTestingWin;
class Panel;
class PanelBoundsAnimation;
class PanelBrowserFrameView;
class TaskbarWindowThumbnailerWin;
// A browser view that implements Panel specific behavior.
class PanelBrowserView : public BrowserView,
public content::NotificationObserver,
public NativePanel,
public ui::AnimationDelegate {
public:
PanelBrowserView(Browser* browser, Panel* panel, const gfx::Rect& bounds);
virtual ~PanelBrowserView();
Panel* panel() const { return panel_.get(); }
bool closed() const { return closed_; }
bool focused() const { return focused_; }
bool force_to_paint_as_inactive() const {
return force_to_paint_as_inactive_;
}
PanelBrowserFrameView* GetFrameView() const;
// Called from frame view when titlebar receives a mouse event.
// Return true if the event is handled.
// |mouse_location| is in screen coordinates.
bool OnTitlebarMousePressed(const gfx::Point& mouse_location);
bool OnTitlebarMouseDragged(const gfx::Point& mouse_location);
bool OnTitlebarMouseReleased(panel::ClickModifier modifier);
bool OnTitlebarMouseCaptureLost();
private:
friend class NativePanelTestingWin;
friend class PanelBrowserViewTest;
enum MouseDraggingState {
NO_DRAGGING,
DRAGGING_STARTED,
DRAGGING_ENDED
};
// Overridden from BrowserView:
virtual void Init() OVERRIDE;
virtual void Show() OVERRIDE;
virtual void ShowInactive() OVERRIDE;
virtual void Close() OVERRIDE;
virtual void Deactivate() OVERRIDE;
virtual bool CanResize() const OVERRIDE;
virtual bool CanMaximize() const OVERRIDE;
virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE;
virtual void UpdateTitleBar() OVERRIDE;
virtual bool IsPanel() const OVERRIDE;
virtual bool GetSavedWindowPlacement(
gfx::Rect* bounds,
ui::WindowShowState* show_state) const OVERRIDE;
virtual bool AcceleratorPressed(const ui::Accelerator& accelerator) OVERRIDE;
// Overridden from NotificationObserver:
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
// Overridden from views::WidgetDelegate:
virtual void OnDisplayChanged() OVERRIDE;
virtual void OnWorkAreaChanged() OVERRIDE;
virtual bool WillProcessWorkAreaChange() const OVERRIDE;
virtual void OnWindowBeginUserBoundsChange() OVERRIDE;
virtual void OnWindowEndUserBoundsChange() OVERRIDE;
// Overridden from views::Widget::Observer
virtual void OnWidgetActivationChanged(views::Widget* widget,
bool active) OVERRIDE;
// Overridden from NativePanel:
virtual void ShowPanel() OVERRIDE;
virtual void ShowPanelInactive() OVERRIDE;
virtual gfx::Rect GetPanelBounds() const OVERRIDE;
virtual void SetPanelBounds(const gfx::Rect& bounds) OVERRIDE;
virtual void SetPanelBoundsInstantly(const gfx::Rect& bounds) OVERRIDE;
virtual void ClosePanel() OVERRIDE;
virtual void ActivatePanel() OVERRIDE;
virtual void DeactivatePanel() OVERRIDE;
virtual bool IsPanelActive() const OVERRIDE;
virtual void PreventActivationByOS(bool prevent_activation) OVERRIDE;
virtual gfx::NativeWindow GetNativePanelHandle() OVERRIDE;
virtual void UpdatePanelTitleBar() OVERRIDE;
virtual void UpdatePanelLoadingAnimations(bool should_animate) OVERRIDE;
virtual void ShowTaskManagerForPanel() OVERRIDE;
virtual FindBar* CreatePanelFindBar() OVERRIDE;
virtual void NotifyPanelOnUserChangedTheme() OVERRIDE;
virtual void PanelWebContentsFocused(content::WebContents* contents) OVERRIDE;
virtual void PanelCut() OVERRIDE;
virtual void PanelCopy() OVERRIDE;
virtual void PanelPaste() OVERRIDE;
virtual void DrawAttention(bool draw_attention) OVERRIDE;
virtual bool IsDrawingAttention() const OVERRIDE;
virtual bool PreHandlePanelKeyboardEvent(
const content::NativeWebKeyboardEvent& event,
bool* is_keyboard_shortcut) OVERRIDE;
virtual void FullScreenModeChanged(bool is_full_screen) OVERRIDE;
virtual void HandlePanelKeyboardEvent(
const content::NativeWebKeyboardEvent& event) OVERRIDE;
virtual gfx::Size WindowSizeFromContentSize(
const gfx::Size& content_size) const OVERRIDE;
virtual gfx::Size ContentSizeFromWindowSize(
const gfx::Size& window_size) const OVERRIDE;
virtual int TitleOnlyHeight() const OVERRIDE;
virtual Browser* GetPanelBrowser() const OVERRIDE;
virtual void DestroyPanelBrowser() OVERRIDE;
virtual void EnsurePanelFullyVisible() OVERRIDE;
virtual void SetPanelAlwaysOnTop(bool on_top) OVERRIDE;
virtual void EnableResizeByMouse(bool enable) OVERRIDE;
virtual void UpdatePanelMinimizeRestoreButtonVisibility() OVERRIDE;
virtual void PanelExpansionStateChanging(
Panel::ExpansionState old_state,
Panel::ExpansionState new_state) OVERRIDE;
virtual NativePanelTesting* CreateNativePanelTesting() OVERRIDE;
// Overridden from AnimationDelegate:
virtual void AnimationEnded(const ui::Animation* animation) OVERRIDE;
virtual void AnimationProgressed(const ui::Animation* animation) OVERRIDE;
bool EndDragging(bool cancelled);
void SetBoundsInternal(const gfx::Rect& bounds, bool animate);
void ShowOrHidePanelAppIcon(bool show);
bool IsAnimatingBounds() const;
#if defined(OS_WIN) && !defined(USE_AURA)
// Sets or clears the bitwise |attribute_value| for the attibute denoted by
// |attribute_index|. This is used to update the style or extended style
// for the native window.
void UpdateWindowAttribute(int attribute_index,
int attribute_value,
bool to_set);
#endif
scoped_ptr<Panel> panel_;
gfx::Rect bounds_;
// Is the panel being closed? Do not use it when it is closed.
bool closed_;
// Is the panel receiving the focus?
bool focused_;
// Is the mouse button currently down?
bool mouse_pressed_;
// Location the mouse was pressed at or dragged to last time when we process
// the mouse event. Used in drag-and-drop.
// This point is represented in the screen coordinate system.
gfx::Point last_mouse_location_;
// Is the titlebar currently being dragged? That is, has the cursor
// moved more than kDragThreshold away from its starting position?
MouseDraggingState mouse_dragging_state_;
// Used to animate the bounds change.
scoped_ptr<PanelBoundsAnimation> bounds_animator_;
gfx::Rect animation_start_bounds_;
// Is the panel in highlighted state to draw people's attention?
bool is_drawing_attention_;
// Should we force to paint the panel as inactive? This is needed when we need
// to capture the screenshot before an active panel goes minimized.
bool force_to_paint_as_inactive_;
// The last view that had focus in the panel. This is saved so that focus can
// be restored properly when a drag ends.
views::View* old_focused_view_;
content::NotificationRegistrar registrar_;
#if defined(OS_WIN) && !defined(USE_ASH) && !defined(USE_AURA)
// Used to provide custom taskbar thumbnail for Windows 7 and later.
scoped_ptr<TaskbarWindowThumbnailerWin> thumbnailer_;
#endif
DISALLOW_COPY_AND_ASSIGN(PanelBrowserView);
};
#endif // CHROME_BROWSER_UI_PANELS_PANEL_BROWSER_VIEW_H_
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