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// Copyright (c) 2006-2008 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.
// THIS FILE IS DEPRECATED, USE DOM_UI INSTEAD.
#ifndef CHROME_BROWSER_DOM_UI_DOM_UI_HOST_H__
#define CHROME_BROWSER_DOM_UI_DOM_UI_HOST_H__
#include "chrome/browser/dom_ui/dom_ui.h"
#include "chrome/browser/tab_contents/web_contents.h"
#include "webkit/glue/webpreferences.h"
class DOMMessageDispatcher;
class RenderProcessHost;
class RenderViewHost;
class Value;
// See the comments at the top of this file.
class DOMUIHost : public WebContents {
public:
DOMUIHost(Profile* profile,
SiteInstance* instance,
RenderViewHostFactory* render_view_factory);
// Initializes the given renderer, after enabling DOM UI bindings on it.
virtual bool CreateRenderViewForRenderManager(
RenderViewHost* render_view_host);
// Add type-specific javascript message handlers.
// TODO(timsteele): Any implementation of this method should really be done
// upon construction, but that won't work until the TabContents::controller()
// API is fixed to never return NULL, and likewise for TabContents::profile().
// Only then could any Handlers we attach here access the profile upon
// construction, which is the most common case; currently they'll blow up.
virtual void AttachMessageHandlers() = 0;
// Add |handler| to the list of handlers owned by this object.
// They will be destroyed when this page is hidden.
void AddMessageHandler(DOMMessageHandler* handler);
// Register a callback for a specific message.
typedef Callback1<const Value*>::Type MessageCallback;
void RegisterMessageCallback(const std::string& message,
MessageCallback* callback);
// Call a Javascript function by sending its name and arguments down to
// the renderer. This is asynchronous; there's no way to get the result
// of the call, and should be thought of more like sending a message to
// the page.
// There are two function variants for one-arg and two-arg calls.
void CallJavascriptFunction(const std::wstring& function_name,
const Value& arg);
void CallJavascriptFunction(const std::wstring& function_name,
const Value& arg1,
const Value& arg2);
// Overrides from WebContents.
virtual void ProcessDOMUIMessage(const std::string& message,
const std::string& content);
virtual DOMUIHost* AsDOMUIHost() { return this; }
// Override this method so we can ensure that javascript and image loading
// are always on even for DOMUIHost tabs.
virtual WebPreferences GetWebkitPrefs();
// We override updating history with a no-op so these pages
// are not saved to history.
virtual void UpdateHistoryForNavigation(const GURL& url,
const ViewHostMsg_FrameNavigate_Params& params) { }
protected:
// Should delete via CloseContents.
virtual ~DOMUIHost();
private:
// Execute a string of raw Javascript on the page.
void ExecuteJavascript(const std::wstring& javascript);
// The DOMMessageHandlers we own.
std::vector<DOMMessageHandler*> handlers_;
// A map of message name -> message handling callback.
typedef std::map<std::string, MessageCallback*> MessageCallbackMap;
MessageCallbackMap message_callbacks_;
DISALLOW_EVIL_CONSTRUCTORS(DOMUIHost);
};
#endif // CHROME_BROWSER_DOM_UI_DOM_UI_HOST_H__
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