104 lines
3.2 KiB
C++
104 lines
3.2 KiB
C++
// Copyright (c) 2008 The Chromium Embedded Framework Authors.
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// Portions copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef _CONTEXT_H
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#define _CONTEXT_H
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#include "../include/cef.h"
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#include "base/at_exit.h"
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#include "base/message_loop.h"
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#include "base/stats_table.h"
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#include "gfx/native_widget_types.h"
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#include "webkit/glue/webpreferences.h"
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class BrowserWebKitInit;
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class CefBrowserImpl;
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class CefContext : public CefThreadSafeBase<CefBase>
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{
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public:
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typedef std::list<CefRefPtr<CefBrowserImpl> > BrowserList;
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CefContext();
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~CefContext();
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bool Initialize(bool multi_threaded_message_loop,
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const std::wstring& cache_path);
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void Shutdown();
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MessageLoopForUI* GetMessageLoopForUI() { return messageloopui_; }
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HMODULE GetInstanceHandle() { return hinstance_; }
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HANDLE GetUIThreadHandle() { return hthreadui_; }
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DWORD GetUIThreadId() { return idthreadui_; }
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WebPreferences* GetWebPreferences() { return webprefs_; }
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// Retrieve the path at which cache data will be stored on disk. If empty,
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// cache data will be stored in-memory.
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std::wstring GetCachePath() { return cache_path_; }
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bool AddBrowser(CefRefPtr<CefBrowserImpl> browser);
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bool RemoveBrowser(CefRefPtr<CefBrowserImpl> browser);
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CefRefPtr<CefBrowserImpl> GetBrowserByID(int id);
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BrowserList* GetBrowserList() { return &browserlist_; }
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// Returns true if the calling thread is the same as the UI thread
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bool RunningOnUIThread() { return (GetCurrentThreadId() == idthreadui_); }
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////////////////////////////////////////////////////////////
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// ALL UIT_* METHODS MUST ONLY BE CALLED ON THE UI THREAD //
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////////////////////////////////////////////////////////////
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void UIT_RegisterPlugin(struct CefPluginInfo* plugin_info);
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void UIT_UnregisterPlugin(struct CefPluginInfo* plugin_info);
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void UIT_ClearCache();
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bool DoWork();
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bool DoDelayedWork();
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bool DoIdleWork();
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static bool ImplementsThreadSafeReferenceCounting() { return true; }
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private:
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void SetMessageLoopForUI(MessageLoopForUI* loop);
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void NotifyEvent();
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bool DoInitialize();
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void DoUninitialize();
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protected:
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HMODULE hinstance_;
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DWORD idthreadui_;
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HANDLE hthreadui_;
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HANDLE heventui_;
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MessageLoopForUI* messageloopui_;
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bool in_transition_;
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BrowserList browserlist_;
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WebPreferences* webprefs_;
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StatsTable* statstable_;
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std::wstring cache_path_;
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// Initialize the AtExitManager to avoid asserts and possible memory leaks.
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base::AtExitManager at_exit_manager_;
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// WebKit implementation class.
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BrowserWebKitInit* webkit_init_;
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// Used for assigning unique IDs to browser instances.
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int next_browser_id_;
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friend DWORD WINAPI ThreadHandlerUI(LPVOID lpParam);
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};
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// Post a task to the UI message loop
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void PostTask(const tracked_objects::Location& from_here, Task* task);
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// Global context object pointer
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extern CefRefPtr<CefContext> _Context;
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// Macro for requiring that a function be called on the UI thread
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#define REQUIRE_UIT() DCHECK(_Context->RunningOnUIThread())
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#endif // _CONTEXT_H
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