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// Copyright (c) 2010 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.
//
// Funnel of Chrome Extension Tab Events.
#ifndef CEEE_IE_PLUGIN_BHO_TAB_EVENTS_FUNNEL_H_
#define CEEE_IE_PLUGIN_BHO_TAB_EVENTS_FUNNEL_H_
#include <ocidl.h> // for READYSTATE
#include "ceee/ie/plugin/bho/events_funnel.h"
// Implements a set of methods to send tab related events to the Broker.
class TabEventsFunnel : public EventsFunnel {
public:
TabEventsFunnel() : EventsFunnel(true) {}
// Sends the tabs.onMoved event to the Broker.
// @param tab_handle The HWND of the tab that moved.
// @param window_id The identifier of the window containing the moving tab.
// @param from_index The index from which the tab moved away.
// @param to_index The index where the tab moved to.
virtual HRESULT OnMoved(HWND tab_handle, int window_id,
int from_index, int to_index);
// Sends the tabs.onRemoved event to the Broker.
// @param tab_handle The identifier of the tab that was removed.
virtual HRESULT OnRemoved(HWND tab_handle);
// Sends the tabs.onSelectionChanged event to the Broker.
// @param tab_handle The HWND of the tab was selected.
// @param window_id The identifier of the window containing the selected tab.
virtual HRESULT OnSelectionChanged(HWND tab_handle, int window_id);
// Sends the tabs.onCreated :b+event to the Broker.
// @param tab_handle The HWND of the tab that was created.
// @param url The current URL of the page.
// @param completed If true, the status of the page is completed, otherwise,
// it is any othe other status values.
virtual HRESULT OnCreated(HWND tab_handle, BSTR url, bool completed);
// Sends the tabs.onUpdated event to the Broker.
// @param tab_handle The HWND of the tab that was updated.
// @param url The [optional] url where the tab was navigated to.
// @param ready_state The ready state of the tab.
virtual HRESULT OnUpdated(HWND tab_handle, BSTR url,
READYSTATE ready_state);
// Sends the private message to unmap a tab to its BHO. This is the last
// message a BHO should send, as its tab_id will no longer be mapped afterward
// and will assert if used.
// @param tab_handle The HWND of the tab to unmap.
// @param tab_id The id of the tab to unmap.
virtual HRESULT OnTabUnmapped(HWND tab_handle, int tab_id);
private:
DISALLOW_COPY_AND_ASSIGN(TabEventsFunnel);
};
#endif // CEEE_IE_PLUGIN_BHO_TAB_EVENTS_FUNNEL_H_
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