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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_EXTENSIONS_EXTENSION_DOM_UI_H_
#define CHROME_BROWSER_EXTENSIONS_EXTENSION_DOM_UI_H_
#include <string>
#include "base/scoped_ptr.h"
#include "chrome/browser/dom_ui/dom_ui.h"
#include "chrome/browser/extensions/extension_function_dispatcher.h"
#include "chrome/browser/extensions/extension_popup_host.h"
#include "chrome/common/extensions/extension.h"
class ListValue;
class PrefService;
class RenderViewHost;
class TabContents;
// This class implements DOMUI for extensions and allows extensions to put UI in
// the main tab contents area.
class ExtensionDOMUI
: public DOMUI,
public ExtensionPopupHost::PopupDelegate,
public ExtensionFunctionDispatcher::Delegate {
public:
explicit ExtensionDOMUI(TabContents* tab_contents);
ExtensionFunctionDispatcher* extension_function_dispatcher() const {
return extension_function_dispatcher_.get();
}
// DOMUI
virtual void RenderViewCreated(RenderViewHost* render_view_host);
virtual void RenderViewReused(RenderViewHost* render_view_host);
virtual void ProcessDOMUIMessage(const std::string& message,
const Value* content,
int request_id,
bool has_callback);
// ExtensionFunctionDispatcher::Delegate
virtual Browser* GetBrowser();
virtual ExtensionDOMUI* GetExtensionDOMUI() { return this; }
// ExtensionPopupHost::Delegate
virtual RenderViewHost* GetRenderViewHost();
// BrowserURLHandler
static bool HandleChromeURLOverride(GURL* url, Profile* profile);
// Register and unregister a dictionary of one or more overrides.
// Page names are the keys, and chrome-extension: URLs are the values.
// (e.g. { "newtab": "chrome-extension://<id>/my_new_tab.html" }
static void RegisterChromeURLOverrides(Profile* profile,
const Extension::URLOverrideMap& overrides);
static void UnregisterChromeURLOverrides(Profile* profile,
const Extension::URLOverrideMap& overrides);
static void UnregisterChromeURLOverride(const std::string& page,
Profile* profile,
Value* override);
// Called from BrowserPrefs
static void RegisterUserPrefs(PrefService* prefs);
private:
// Unregister the specified override, and if it's the currently active one,
// ensure that something takes its place.
static void UnregisterAndReplaceOverride(const std::string& page,
Profile* profile,
ListValue* list,
Value* override);
// When the RenderViewHost changes (RenderViewCreated and RenderViewReused),
// we need to reset the ExtensionFunctionDispatcher so it's talking to the
// right one, as well as being linked to the correct URL.
void ResetExtensionFunctionDispatcher(RenderViewHost* render_view_host);
scoped_ptr<ExtensionFunctionDispatcher> extension_function_dispatcher_;
};
#endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_DOM_UI_H_
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