2010-10-03 23:04:50 +02:00
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// Copyright (c) 2010 The Chromium Embedded Framework Authors. All rights
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// reserved. Use of this source code is governed by a BSD-style license that can
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// be found in the LICENSE file.
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2012-01-10 00:46:23 +01:00
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#ifndef CEF_LIBCEF_CEF_CONTEXT_H_
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#define CEF_LIBCEF_CEF_CONTEXT_H_
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#pragma once
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#include <list>
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#include <map>
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#include <string>
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2010-10-03 23:04:50 +02:00
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2011-12-23 18:36:30 +01:00
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#include "include/cef_app.h"
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#include "include/cef_base.h"
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#include "libcef/browser_file_system.h"
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#include "libcef/browser_request_context.h"
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#include "libcef/cef_process.h"
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2010-10-03 23:04:50 +02:00
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#include "base/at_exit.h"
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2012-12-19 17:47:38 +01:00
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#include "base/atomic_sequence_num.h"
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2013-02-28 22:54:02 +01:00
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#include "base/files/file_path.h"
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2011-04-05 18:17:33 +02:00
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#include "base/memory/ref_counted.h"
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2012-11-30 19:30:34 +01:00
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#include "base/files/scoped_temp_dir.h"
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2012-06-22 16:56:07 +02:00
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#include "base/threading/sequenced_worker_pool.h"
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2010-10-03 23:04:50 +02:00
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class CefBrowserImpl;
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class CefResourceBundleDelegate;
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class WebViewHost;
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2011-10-06 15:34:47 +02:00
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namespace base {
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class WaitableEvent;
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}
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2012-01-10 00:46:23 +01:00
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class CefContext : public CefBase {
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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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// These methods will be called on the main application thread.
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bool Initialize(const CefSettings& settings, CefRefPtr<CefApp> application);
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void Shutdown();
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// Returns true if the context is initialized.
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bool initialized() { return initialized_; }
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// Returns true if the context is shutting down.
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bool shutting_down() { return shutting_down_; }
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CefProcess* process() { return process_.get(); }
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int GetNextBrowserID();
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void AddBrowser(CefRefPtr<CefBrowserImpl> browser);
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void 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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2012-02-16 18:11:49 +01:00
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void InitializeResourceBundle();
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void CleanupResourceBundle();
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string16 GetLocalizedString(int message_id) const;
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base::StringPiece GetDataResource(int resource_id) const;
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base::FilePath GetResourcesFilePath() const;
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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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const base::FilePath& cache_path() const { return cache_path_; }
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const CefSettings& settings() const { return settings_; }
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CefRefPtr<CefApp> application() const { return application_; }
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// Return the locale specified in CefSettings or the default value of "en-US".
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std::string locale() const;
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// The BrowserRequestContext object is managed by CefProcessIOThread.
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void set_request_context(BrowserRequestContext* request_context) {
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request_context_ = request_context;
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}
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BrowserRequestContext* request_context() { return request_context_; }
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BrowserFileSystem* file_system() { return &file_system_; }
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2011-02-28 01:33:11 +01:00
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// Used to keep track of the web view host we're dragging over. WARNING:
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// this pointer should never be dereferenced. Use it only for comparing
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// pointers.
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WebViewHost* current_webviewhost() { return current_webviewhost_; }
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void set_current_webviewhost(WebViewHost* host) {
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current_webviewhost_ = host;
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}
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2012-06-22 16:56:07 +02:00
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// The SequencedWorkerPool object is managed by CefProcessUIThread.
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void set_blocking_pool(base::SequencedWorkerPool* blocking_pool) {
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blocking_pool_ = blocking_pool;
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}
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base::SequencedWorkerPool* blocking_pool() { return blocking_pool_.get(); }
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2011-01-07 02:06:10 +01:00
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static bool ImplementsThreadSafeReferenceCounting() { return true; }
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2012-10-12 18:38:24 +02:00
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// Keep count of DevTools windows, need to re-enable stack trace
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// functionality for uncaught exceptions.
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void UIT_DevToolsClientCreated();
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void UIT_DevToolsClientDestroyed();
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private:
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// Performs shutdown actions that need to occur on the UI thread before any
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// threads are destroyed.
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void UIT_FinishShutdown(base::WaitableEvent* browser_shutdown_event,
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base::WaitableEvent* uithread_shutdown_event);
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// Track context state.
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bool initialized_;
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bool shutting_down_;
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// Manages the various process threads.
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scoped_ptr<CefProcess> process_;
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// Initialize the AtExitManager on the main application thread to avoid
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// asserts and possible memory leaks.
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base::AtExitManager at_exit_manager_;
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CefSettings settings_;
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CefRefPtr<CefApp> application_;
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base::FilePath cache_path_;
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base::ScopedTempDir cache_temp_dir_;
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BrowserRequestContext* request_context_;
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BrowserFileSystem file_system_;
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scoped_ptr<CefResourceBundleDelegate> resource_bundle_delegate_;
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// Map of browsers that currently exist.
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BrowserList browserlist_;
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// Used for assigning unique IDs to browser instances.
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base::AtomicSequenceNumber next_browser_id_;
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WebViewHost* current_webviewhost_;
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2011-05-20 16:42:25 +02:00
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2012-06-22 16:56:07 +02:00
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scoped_refptr<base::SequencedWorkerPool> blocking_pool_;
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2012-10-12 18:38:24 +02:00
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int dev_tools_client_count_;
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2011-05-20 16:42:25 +02:00
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IMPLEMENT_REFCOUNTING(CefContext);
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IMPLEMENT_LOCKING(CefContext);
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};
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// Global context object pointer.
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extern CefRefPtr<CefContext> _Context;
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// Helper macro that returns true if the global context is in a valid state.
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#define CONTEXT_STATE_VALID() \
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(_Context.get() && _Context->initialized() && !_Context->shutting_down())
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2012-01-10 00:46:23 +01:00
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#endif // CEF_LIBCEF_CEF_CONTEXT_H_
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