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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 <jni.h>
#include <string>
#include "base/android/scoped_java_ref.h"
#include "printing/printing_context.h"
namespace printing {
// Android subclass of PrintingContext. The implementation for this header file
// resides in Chrome for Android repository. This class communicates with the
// Java side through JNI.
class PRINTING_EXPORT PrintingContextAndroid : public PrintingContext {
public:
explicit PrintingContextAndroid(const std::string& app_locale);
virtual ~PrintingContextAndroid();
// Called when the page is successfully written to a PDF using the file
// descriptor specified, or when the printing operation failed.
static void PdfWritingDone(int fd, bool success);
// Called from Java, when printing settings from the user are ready or the
// printing operation is canceled.
void AskUserForSettingsReply(JNIEnv* env, jobject obj, jboolean success);
// PrintingContext implementation.
virtual void AskUserForSettings(
gfx::NativeView parent_view,
int max_pages,
bool has_selection,
const PrintSettingsCallback& callback) OVERRIDE;
virtual Result UseDefaultSettings() OVERRIDE;
virtual gfx::Size GetPdfPaperSizeDeviceUnits() OVERRIDE;
virtual Result UpdatePrinterSettings(bool external_preview) OVERRIDE;
virtual Result InitWithSettings(const PrintSettings& settings) OVERRIDE;
virtual Result NewDocument(const base::string16& document_name) OVERRIDE;
virtual Result NewPage() OVERRIDE;
virtual Result PageDone() OVERRIDE;
virtual Result DocumentDone() OVERRIDE;
virtual void Cancel() OVERRIDE;
virtual void ReleaseContext() OVERRIDE;
virtual gfx::NativeDrawingContext context() const OVERRIDE;
// Registers JNI bindings for RegisterContext.
static bool RegisterPrintingContext(JNIEnv* env);
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_