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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_HOST_H_
#define CHROME_BROWSER_UI_PANELS_PANEL_HOST_H_
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "content/public/browser/web_contents_delegate.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/common/page_zoom.h"
#include "extensions/browser/extension_function_dispatcher.h"
class GURL;
class Panel;
class PrefsTabHelper;
class Profile;
namespace content {
class SiteInstance;
class WebContents;
}
namespace extensions {
class WindowController;
}
namespace gfx {
class Image;
class Rect;
}
// Helper class for Panel, implementing WebContents hosting and Extension
// delegates. Owned and used by Panel only.
class PanelHost : public content::WebContentsDelegate,
public content::WebContentsObserver,
public extensions::ExtensionFunctionDispatcher::Delegate {
public:
PanelHost(Panel* panel, Profile* profile);
~PanelHost() override;
void Init(const GURL& url, content::SiteInstance* source_site_instance);
content::WebContents* web_contents() { return web_contents_.get(); }
void DestroyWebContents();
// Returns the icon for the current page.
gfx::Image GetPageIcon() const;
// content::WebContentsDelegate overrides.
content::WebContents* OpenURLFromTab(
content::WebContents* source,
const content::OpenURLParams& params) override;
void NavigationStateChanged(content::WebContents* source,
content::InvalidateTypes changed_flags) override;
void AddNewContents(content::WebContents* source,
content::WebContents* new_contents,
WindowOpenDisposition disposition,
const gfx::Rect& initial_rect,
bool user_gesture,
bool* was_blocked) override;
void ActivateContents(content::WebContents* contents) override;
void LoadingStateChanged(content::WebContents* source,
bool to_different_document) override;
void CloseContents(content::WebContents* source) override;
void MoveContents(content::WebContents* source,
const gfx::Rect& pos) override;
bool IsPopupOrPanel(const content::WebContents* source) const override;
void ContentsZoomChange(bool zoom_in) override;
void HandleKeyboardEvent(
content::WebContents* source,
const content::NativeWebKeyboardEvent& event) override;
void ResizeDueToAutoResize(content::WebContents* web_contents,
const gfx::Size& new_size) override;
// content::WebContentsObserver overrides.
void RenderProcessGone(base::TerminationStatus status) override;
void WebContentsDestroyed() override;
// extensions::ExtensionFunctionDispatcher::Delegate overrides.
extensions::WindowController* GetExtensionWindowController() const override;
content::WebContents* GetAssociatedWebContents() const override;
// Actions on web contents.
void Reload();
void ReloadIgnoringCache();
void StopLoading();
void Zoom(content::PageZoom zoom);
private:
// Helper to close panel via the message loop.
void ClosePanel();
Panel* panel_; // Weak, owns us.
Profile* profile_;
scoped_ptr<content::WebContents> web_contents_;
// The following factory is used to close the panel via the message loop.
base::WeakPtrFactory<PanelHost> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(PanelHost);
};
#endif // CHROME_BROWSER_UI_PANELS_PANEL_HOST_H_
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