96 lines
3.3 KiB
C++
96 lines
3.3 KiB
C++
// Copyright (c) 2012 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 CEF_LIBCEF_BROWSER_PRINTING_PRINTING_MESSAGE_FILTER_H_
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#define CEF_LIBCEF_BROWSER_PRINTING_PRINTING_MESSAGE_FILTER_H_
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#include <stdint.h>
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#include <memory>
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#include <string>
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#include "base/macros.h"
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#include "build/build_config.h"
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#include "components/keyed_service/core/keyed_service_shutdown_notifier.h"
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#include "components/prefs/pref_member.h"
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#include "content/public/browser/browser_message_filter.h"
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#include "printing/features/features.h"
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struct PrintHostMsg_ScriptedPrint_Params;
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class Profile;
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namespace base {
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class DictionaryValue;
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}
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namespace printing {
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class PrintQueriesQueue;
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class PrinterQuery;
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// This class filters out incoming printing related IPC messages for the
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// renderer process on the IPC thread.
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class CefPrintingMessageFilter : public content::BrowserMessageFilter {
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public:
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CefPrintingMessageFilter(int render_process_id, Profile* profile);
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static void EnsureShutdownNotifierFactoryBuilt();
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// content::BrowserMessageFilter methods.
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void OverrideThreadForMessage(const IPC::Message& message,
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content::BrowserThread::ID* thread) override;
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void OnDestruct() const override;
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bool OnMessageReceived(const IPC::Message& message) override;
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private:
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friend class base::DeleteHelper<CefPrintingMessageFilter>;
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friend class content::BrowserThread;
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~CefPrintingMessageFilter() override;
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void ShutdownOnUIThread();
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// Get the default print setting.
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void OnGetDefaultPrintSettings(IPC::Message* reply_msg);
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void OnGetDefaultPrintSettingsReply(scoped_refptr<PrinterQuery> printer_query,
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IPC::Message* reply_msg);
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// The renderer host have to show to the user the print dialog and returns
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// the selected print settings. The task is handled by the print worker
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// thread and the UI thread. The reply occurs on the IO thread.
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void OnScriptedPrint(const PrintHostMsg_ScriptedPrint_Params& params,
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IPC::Message* reply_msg);
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void OnScriptedPrintReply(scoped_refptr<PrinterQuery> printer_query,
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IPC::Message* reply_msg);
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// Modify the current print settings based on |job_settings|. The task is
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// handled by the print worker thread and the UI thread. The reply occurs on
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// the IO thread.
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void OnUpdatePrintSettings(int document_cookie,
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const base::DictionaryValue& job_settings,
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IPC::Message* reply_msg);
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void OnUpdatePrintSettingsReply(scoped_refptr<PrinterQuery> printer_query,
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IPC::Message* reply_msg);
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// Check to see if print preview has been cancelled.
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void OnCheckForCancel(int32_t preview_ui_id,
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int preview_request_id,
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bool* cancel);
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std::unique_ptr<KeyedServiceShutdownNotifier::Subscription>
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printing_shutdown_notifier_;
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BooleanPrefMember is_printing_enabled_;
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const int render_process_id_;
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scoped_refptr<PrintQueriesQueue> queue_;
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DISALLOW_COPY_AND_ASSIGN(CefPrintingMessageFilter);
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};
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} // namespace printing
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#endif // CEF_LIBCEF_BROWSER_PRINTING_PRINTING_MESSAGE_FILTER_H_
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