// Copyright 2013 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. #ifndef PRINTING_PRINTING_CONTEXT_ANDROID_H_ #define PRINTING_PRINTING_CONTEXT_ANDROID_H_ #include #include "base/android/scoped_java_ref.h" #include "base/file_descriptor_posix.h" #include "printing/mojom/print.mojom.h" #include "printing/printing_context.h" namespace ui { class WindowAndroid; } namespace printing { // Android subclass of PrintingContext. This class communicates with the // Java side through JNI. class COMPONENT_EXPORT(PRINTING) PrintingContextAndroid : public PrintingContext { public: explicit PrintingContextAndroid(Delegate* delegate); PrintingContextAndroid(const PrintingContextAndroid&) = delete; PrintingContextAndroid& operator=(const PrintingContextAndroid&) = delete; ~PrintingContextAndroid() override; // Called when the page is successfully written to a PDF using the file // descriptor specified, or when the printing operation failed. On success, // the PDF has `page_count` pages. Non-positive `page_count` indicates // failure. static void PdfWritingDone(int page_count); static void SetPendingPrint( ui::WindowAndroid* window, const base::android::ScopedJavaLocalRef& printable, int render_process_id, int render_frame_id); // Called from Java, when printing settings from the user are ready or the // printing operation is canceled. void AskUserForSettingsReply(JNIEnv* env, const base::android::JavaParamRef& obj, jboolean success); // Called from Java, when a printing process initiated by a script finishes. void ShowSystemDialogDone(JNIEnv* env, const base::android::JavaParamRef& obj); // PrintingContext implementation. void AskUserForSettings(int max_pages, bool has_selection, bool is_scripted, PrintSettingsCallback callback) override; mojom::ResultCode UseDefaultSettings() override; gfx::Size GetPdfPaperSizeDeviceUnits() override; mojom::ResultCode UpdatePrinterSettings( const PrinterSettings& printer_settings) override; mojom::ResultCode NewDocument(const std::u16string& document_name) override; mojom::ResultCode PrintDocument(const MetafilePlayer& metafile, const PrintSettings& settings, uint32_t num_pages) override; mojom::ResultCode DocumentDone() override; void Cancel() override; void ReleaseContext() override; printing::NativeDrawingContext context() const override; private: bool is_file_descriptor_valid() const { return fd_ > base::kInvalidFd; } base::android::ScopedJavaGlobalRef j_printing_context_; // The callback from AskUserForSettings to be called when the settings are // ready on the Java side PrintSettingsCallback callback_; int fd_ = base::kInvalidFd; }; } // namespace printing #endif // PRINTING_PRINTING_CONTEXT_ANDROID_H_