| // 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 <string> |
| |
| #include "base/android/scoped_java_ref.h" |
| #include "base/macros.h" |
| #include "printing/printing_context.h" |
| |
| namespace printing { |
| |
| // Android subclass of PrintingContext. This class communicates with the |
| // Java side through JNI. |
| class PRINTING_EXPORT PrintingContextAndroid : public PrintingContext { |
| public: |
| explicit PrintingContextAndroid(Delegate* delegate); |
| ~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); |
| |
| // 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<jobject>& obj, |
| jboolean success); |
| |
| // Called from Java, when a printing process initiated by a script finishes. |
| void ShowSystemDialogDone(JNIEnv* env, |
| const base::android::JavaParamRef<jobject>& obj); |
| |
| // PrintingContext implementation. |
| void AskUserForSettings(int max_pages, |
| bool has_selection, |
| bool is_scripted, |
| PrintSettingsCallback callback) override; |
| Result UseDefaultSettings() override; |
| gfx::Size GetPdfPaperSizeDeviceUnits() override; |
| Result UpdatePrinterSettings(bool external_preview, |
| bool show_system_dialog, |
| int page_count) override; |
| Result NewDocument(const base::string16& document_name) override; |
| Result NewPage() override; |
| Result PageDone() override; |
| Result DocumentDone() override; |
| void Cancel() override; |
| void ReleaseContext() override; |
| printing::NativeDrawingContext context() const override; |
| |
| private: |
| base::android::ScopedJavaGlobalRef<jobject> j_printing_context_; |
| |
| // The callback from AskUserForSettings to be called when the settings are |
| // ready on the Java side |
| PrintSettingsCallback callback_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PrintingContextAndroid); |
| }; |
| |
| } // namespace printing |
| |
| #endif // PRINTING_PRINTING_CONTEXT_ANDROID_H_ |