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// Copyright (c) 2009 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_TAB_CONTENTS_RENDER_VIEW_HOST_DELEGATE_HELPER_H_
#define CHROME_BROWSER_TAB_CONTENTS_RENDER_VIEW_HOST_DELEGATE_HELPER_H_
#include <map>
#include "base/basictypes.h"
#include "base/waitable_event.h"
#include "chrome/browser/dom_ui/dom_ui_factory.h"
#include "chrome/common/window_container_type.h"
#include "gfx/rect.h"
#include "third_party/WebKit/WebKit/chromium/public/WebPopupType.h"
#include "webkit/glue/webpreferences.h"
#include "webkit/glue/window_open_disposition.h"
class Browser;
class ExtensionsService;
class PrefService;
class Profile;
class RenderProcessHost;
class RenderViewHost;
class RenderViewHostDelegate;
class RenderWidgetHost;
class RenderWidgetHostView;
class SiteInstance;
class TabContents;
// Provides helper methods that provide common implementations of some
// RenderViewHostDelegate::View methods.
class RenderViewHostDelegateViewHelper {
public:
RenderViewHostDelegateViewHelper() {}
// Creates a new renderer for window.open. This will either be a
// BackgroundContents (if the window_container_type ==
// WINDOW_CONTAINER_TYPE_BACKGROUND and permissions allow) or a TabContents.
// If a TabContents is created, it is returned. Otherwise NULL is returned.
virtual TabContents* CreateNewWindow(
int route_id,
Profile* profile,
SiteInstance* site,
DOMUITypeID domui_type,
RenderViewHostDelegate* opener,
WindowContainerType window_container_type);
// Creates a new RenderWidgetHost and saves it for later retrieval by
// GetCreatedWidget.
virtual RenderWidgetHostView* CreateNewWidget(int route_id,
WebKit::WebPopupType popup_type,
RenderProcessHost* process);
// Finds the new RenderWidgetHost and returns it. Note that this can only be
// called once as this call also removes it from the internal map.
virtual RenderWidgetHostView* GetCreatedWidget(int route_id);
// Finds the new RenderViewHost/Delegate by route_id, initializes it for
// for renderer-initiated creation, and returns the TabContents that needs
// to be shown, if there is one (i.e. not a BackgroundContents). Note that
// this can only be called once as this call also removes it from the internal
// map.
virtual TabContents* GetCreatedWindow(int route_id);
// Removes |host| from the internal map of pending RenderWidgets.
void RenderWidgetHostDestroyed(RenderWidgetHost* host);
private:
bool ShouldOpenBackgroundContents(WindowContainerType window_container_type,
GURL opener_url,
RenderProcessHost* opener_process,
Profile* profile);
// Tracks created RenderViewHost objects that have not been shown yet.
// They are identified by the route ID passed to CreateNewWindow.
typedef std::map<int, RenderViewHost*> PendingContents;
PendingContents pending_contents_;
// These maps hold on to the widgets that we created on behalf of the
// renderer that haven't shown yet.
typedef std::map<int, RenderWidgetHostView*> PendingWidgetViews;
PendingWidgetViews pending_widget_views_;
DISALLOW_COPY_AND_ASSIGN(RenderViewHostDelegateViewHelper);
};
// Provides helper methods that provide common implementations of some
// RenderViewHostDelegate methods.
class RenderViewHostDelegateHelper {
public:
static WebPreferences GetWebkitPrefs(Profile* profile, bool is_dom_ui);
private:
RenderViewHostDelegateHelper();
DISALLOW_COPY_AND_ASSIGN(RenderViewHostDelegateHelper);
};
#endif // CHROME_BROWSER_TAB_CONTENTS_RENDER_VIEW_HOST_DELEGATE_HELPER_H_
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