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- // 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/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<jobject>& 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<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;
- 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<jobject> 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_
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