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// Copyright (c) 2011 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_H_
#define CHROME_BROWSER_UI_PANELS_PANEL_H_
#pragma once
#include "chrome/browser/ui/browser_window.h"
#include "base/gtest_prod_util.h"
#include "base/memory/scoped_ptr.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "ui/gfx/rect.h"
class NativePanel;
class PanelManager;
class RenderViewHost;
// A platform independent implementation of BrowserWindow for Panels. This
// class would get the first crack at all the BrowserWindow calls for Panels and
// do one or more of the following:
// - Do nothing. The function is not relevant to Panels.
// - Throw an exceptions. The function shouldn't be called for Panels.
// - Do Panel specific platform independent processing and then invoke the
// function on the platform specific BrowserWindow member. For example,
// Panel size is restricted to certain limits.
// - Invoke an appropriate PanelManager function to do stuff that might affect
// other Panels. For example deleting a panel would rearrange other panels.
class Panel : public BrowserWindow, public content::NotificationObserver {
public:
enum ExpansionState {
// The panel is fully expanded with both title-bar and the client-area.
EXPANDED,
// The panel is shown with the title-bar only.
TITLE_ONLY,
// The panel is shown with 3-pixel line.
MINIMIZED
};
// The panel can be minimized to 3-pixel lines.
static const int kMinimizedPanelHeight = 3;
virtual ~Panel();
// Returns the PanelManager associated with this panel.
PanelManager* manager() const;
// Gets the extension that a panel is created from.
// Returns NULL if it cannot be found.
const Extension* GetExtension() const;
void SetExpansionState(ExpansionState new_expansion_state);
bool ShouldBringUpTitlebar(int mouse_x, int mouse_y) const;
bool IsDrawingAttention() const;
// Gets or sets the restored height, which is the full height of the panel
// when it is expanded.
int GetRestoredHeight() const;
void SetRestoredHeight(int height);
// BrowserWindow overrides.
virtual void Show() OVERRIDE;
virtual void ShowInactive() OVERRIDE;
virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE;
virtual void Close() OVERRIDE;
virtual void Activate() OVERRIDE;
virtual void Deactivate() OVERRIDE;
virtual bool IsActive() const OVERRIDE;
virtual void FlashFrame() OVERRIDE;
virtual gfx::NativeWindow GetNativeHandle() OVERRIDE;
virtual BrowserWindowTesting* GetBrowserWindowTesting() OVERRIDE;
virtual StatusBubble* GetStatusBubble() OVERRIDE;
virtual void ToolbarSizeChanged(bool is_animating) OVERRIDE;
virtual void UpdateTitleBar() OVERRIDE;
virtual void BookmarkBarStateChanged(
BookmarkBar::AnimateChangeType change_type) OVERRIDE;
virtual void UpdateDevTools() OVERRIDE;
virtual void UpdateLoadingAnimations(bool should_animate) OVERRIDE;
virtual void SetStarredState(bool is_starred) OVERRIDE;
virtual gfx::Rect GetRestoredBounds() const OVERRIDE;
virtual gfx::Rect GetBounds() const OVERRIDE;
virtual bool IsMaximized() const OVERRIDE;
virtual bool IsMinimized() const OVERRIDE;
virtual void EnterFullscreen(
const GURL& url, FullscreenExitBubbleType type) OVERRIDE;
virtual void ExitFullscreen() OVERRIDE;
virtual void UpdateFullscreenExitBubbleContent(
const GURL& url,
FullscreenExitBubbleType bubble_type) OVERRIDE;
virtual bool IsFullscreen() const OVERRIDE;
virtual bool IsFullscreenBubbleVisible() const OVERRIDE;
virtual LocationBar* GetLocationBar() const OVERRIDE;
virtual void SetFocusToLocationBar(bool select_all) OVERRIDE;
virtual void UpdateReloadStopState(bool is_loading, bool force) OVERRIDE;
virtual void UpdateToolbar(TabContentsWrapper* contents,
bool should_restore_state) OVERRIDE;
virtual void FocusToolbar() OVERRIDE;
virtual void FocusAppMenu() OVERRIDE;
virtual void FocusBookmarksToolbar() OVERRIDE;
virtual void FocusChromeOSStatus() OVERRIDE;
virtual void RotatePaneFocus(bool forwards) OVERRIDE;
virtual bool IsBookmarkBarVisible() const OVERRIDE;
virtual bool IsBookmarkBarAnimating() const OVERRIDE;
virtual bool IsTabStripEditable() const OVERRIDE;
virtual bool IsToolbarVisible() const OVERRIDE;
virtual void DisableInactiveFrame() OVERRIDE;
virtual void ConfirmSetDefaultSearchProvider(TabContents* tab_contents,
TemplateURL* template_url,
Profile* profile) OVERRIDE;
virtual void ConfirmAddSearchProvider(const TemplateURL* template_url,
Profile* profile) OVERRIDE;
virtual void ToggleBookmarkBar() OVERRIDE;
virtual void ShowAboutChromeDialog() OVERRIDE;
virtual void ShowUpdateChromeDialog() OVERRIDE;
virtual void ShowTaskManager() OVERRIDE;
virtual void ShowBackgroundPages() OVERRIDE;
virtual void ShowBookmarkBubble(
const GURL& url, bool already_bookmarked) OVERRIDE;
virtual bool IsDownloadShelfVisible() const OVERRIDE;
virtual DownloadShelf* GetDownloadShelf() OVERRIDE;
virtual void ShowRepostFormWarningDialog(TabContents* tab_contents) OVERRIDE;
virtual void ShowCollectedCookiesDialog(TabContentsWrapper* wrapper) OVERRIDE;
virtual void ShowThemeInstallBubble() OVERRIDE;
virtual void ConfirmBrowserCloseWithPendingDownloads() OVERRIDE;
virtual void UserChangedTheme() OVERRIDE;
virtual int GetExtraRenderViewHeight() const OVERRIDE;
virtual void TabContentsFocused(TabContents* tab_contents) OVERRIDE;
virtual void ShowPageInfo(Profile* profile,
const GURL& url,
const NavigationEntry::SSLStatus& ssl,
bool show_history) OVERRIDE;
virtual void ShowAppMenu() OVERRIDE;
virtual bool PreHandleKeyboardEvent(
const NativeWebKeyboardEvent& event,
bool* is_keyboard_shortcut) OVERRIDE;
virtual void HandleKeyboardEvent(
const NativeWebKeyboardEvent& event) OVERRIDE;
virtual void ShowCreateWebAppShortcutsDialog(
TabContentsWrapper* tab_contents) OVERRIDE;
virtual void ShowCreateChromeAppShortcutsDialog(
Profile* profile, const Extension* app) OVERRIDE;
virtual void Cut() OVERRIDE;
virtual void Copy() OVERRIDE;
virtual void Paste() OVERRIDE;
#if defined(OS_MACOSX)
virtual void OpenTabpose() OVERRIDE;
virtual void EnterPresentationMode(
const GURL& url,
FullscreenExitBubbleType bubble_type) OVERRIDE;
virtual void ExitPresentationMode() OVERRIDE;
virtual bool InPresentationMode() OVERRIDE;
#endif
virtual void ShowInstant(TabContentsWrapper* preview) OVERRIDE;
virtual void HideInstant() OVERRIDE;
virtual gfx::Rect GetInstantBounds() OVERRIDE;
virtual WindowOpenDisposition GetDispositionForPopupBounds(
const gfx::Rect& bounds) OVERRIDE;
virtual FindBar* CreateFindBar() OVERRIDE;
#if defined(OS_CHROMEOS)
virtual void ShowKeyboardOverlay(gfx::NativeWindow owning_window) OVERRIDE;
#endif
virtual void UpdatePreferredSize(TabContents* tab_contents,
const gfx::Size& pref_size) OVERRIDE;
virtual void ShowAvatarBubble(TabContents* tab_contents,
const gfx::Rect& rect) OVERRIDE;
// content::NotificationObserver overrides.
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
// Construct a native panel BrowserWindow implementation for the specified
// |browser|.
static NativePanel* CreateNativePanel(Browser* browser,
Panel* panel,
const gfx::Rect& bounds);
// Gets the extension from the browser that a panel is created from.
// Returns NULL if it cannot be found.
static const Extension* GetExtensionFromBrowser(Browser* browser);
// Used on platforms where the panel cannot determine its window size
// until the window has been created. (e.g. GTK)
void OnWindowSizeAvailable();
NativePanel* native_panel() { return native_panel_; }
Browser* browser() const;
ExpansionState expansion_state() const { return expansion_state_; }
const gfx::Size& min_size() const { return min_size_; }
const gfx::Size& max_size() const { return max_size_; }
protected:
virtual void DestroyBrowser() OVERRIDE;
private:
friend class PanelManager;
friend class PanelBrowserTest;
FRIEND_TEST_ALL_PREFIXES(PanelBrowserTest, RestoredBounds);
// Panel can only be created using PanelManager::CreatePanel().
Panel(Browser* browser, const gfx::Rect& bounds);
// This is different from BrowserWindow::SetBounds():
// * SetPanelBounds() is only called by PanelManager to manage its position.
// * SetBounds() is called by the API to try to change the bounds, which is
// not allowed for Panel.
void SetPanelBounds(const gfx::Rect& bounds);
// Updates the maximum size.
void SetMaxSize(const gfx::Size& max_size);
// NULL might be returned if the tab has not been added.
RenderViewHost* GetRenderViewHost() const;
// Requests RenderViewHost not to show the scrollbars till |max_size_| since
// the panel can grow to |max_size_|.
void RequestRenderViewHostToDisableScrollbars(
RenderViewHost* render_view_host);
// This is the minimum size that the panel can shrink to.
gfx::Size min_size_;
// This is the size beyond which the panel is not going to grow to accomodate
// the growing content and WebKit would add the scrollbars in such case.
gfx::Size max_size_;
// Platform specifc implementation for panels. It'd be one of
// PanelBrowserWindowGtk/PanelBrowserView/PanelBrowserWindowCocoa.
NativePanel* native_panel_; // Weak, owns us.
ExpansionState expansion_state_;
// Stores the full height of the panel so we can restore it after it's
// been minimized.
int restored_height_;
content::NotificationRegistrar registrar_;
DISALLOW_COPY_AND_ASSIGN(Panel);
};
#endif // CHROME_BROWSER_UI_PANELS_PANEL_H_
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