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// Copyright 2014 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 COMPONENTS_PDF_RENDERER_PEPPER_PDF_HOST_H_
#define COMPONENTS_PDF_RENDERER_PEPPER_PDF_HOST_H_
#include <stdint.h>
#include <memory>
#include <string>
#include <vector>
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/strings/string16.h"
#include "components/pdf/common/pdf.mojom.h"
#include "ipc/ipc_platform_file.h"
#include "mojo/public/cpp/bindings/binding.h"
#include "ppapi/c/ppb_image_data.h"
#include "ppapi/c/private/ppb_pdf.h"
#include "ppapi/host/resource_host.h"
#include "ppapi/proxy/serialized_structs.h"
namespace blink {
class WebLocalFrame;
}
namespace content {
class RenderFrame;
class RendererPpapiHost;
}
namespace ppapi {
namespace host {
struct HostMessageContext;
} // namespace host
} // namespace ppapi
namespace pdf {
class PdfAccessibilityTree;
class PepperPDFHost : public ppapi::host::ResourceHost,
public mojom::PdfListener {
public:
class PrintClient {
public:
virtual ~PrintClient() {}
// Returns whether printing is enabled for the plugin instance identified by
// |instance_id|.
virtual bool IsPrintingEnabled(PP_Instance instance_id) = 0;
// Invokes the "Print" command for the plugin instance identified by
// |instance_id|. Returns whether the "Print" command was issued or not.
virtual bool Print(PP_Instance instance_id) = 0;
};
PepperPDFHost(content::RendererPpapiHost* host,
PP_Instance instance,
PP_Resource resource);
~PepperPDFHost() override;
// Invokes the "Print" command for the given instance as if the user right
// clicked on it and selected "Print". Returns if the "Print" command was
// issued or not.
static bool InvokePrintingForInstance(PP_Instance instance);
// The caller retains the ownership of |print_client|. The client is
// allowed to be set only once, and when set, the client must outlive the
// PPB_PDF_Impl instance.
static void SetPrintClient(PrintClient* print_client);
// ppapi::host::ResourceHost:
int32_t OnResourceMessageReceived(
const IPC::Message& msg,
ppapi::host::HostMessageContext* context) override;
// mojom::PdfListener
void SetCaretPosition(const gfx::PointF& position) override;
void MoveRangeSelectionExtent(const gfx::PointF& extent) override;
void SetSelectionBounds(const gfx::PointF& base,
const gfx::PointF& extent) override;
private:
int32_t OnHostMsgDidStartLoading(ppapi::host::HostMessageContext* context);
int32_t OnHostMsgDidStopLoading(ppapi::host::HostMessageContext* context);
int32_t OnHostMsgSetContentRestriction(
ppapi::host::HostMessageContext* context,
int restrictions);
int32_t OnHostMsgUserMetricsRecordAction(
ppapi::host::HostMessageContext* context,
const std::string& action);
int32_t OnHostMsgHasUnsupportedFeature(
ppapi::host::HostMessageContext* context);
int32_t OnHostMsgPrint(ppapi::host::HostMessageContext* context);
int32_t OnHostMsgSaveAs(ppapi::host::HostMessageContext* context);
int32_t OnHostMsgShowAlertDialog(ppapi::host::HostMessageContext* context,
const std::string& message);
int32_t OnHostMsgShowConfirmDialog(ppapi::host::HostMessageContext* context,
const std::string& message);
int32_t OnHostMsgShowPromptDialog(ppapi::host::HostMessageContext* context,
const std::string& message,
const std::string& default_answer);
int32_t OnHostMsgSetSelectedText(ppapi::host::HostMessageContext* context,
const base::string16& selected_text);
int32_t OnHostMsgSetLinkUnderCursor(ppapi::host::HostMessageContext* context,
const std::string& url);
int32_t OnHostMsgSetAccessibilityViewportInfo(
ppapi::host::HostMessageContext* context,
const PP_PrivateAccessibilityViewportInfo& viewport_info);
int32_t OnHostMsgSetAccessibilityDocInfo(
ppapi::host::HostMessageContext* context,
const PP_PrivateAccessibilityDocInfo& doc_info);
int32_t OnHostMsgSetAccessibilityPageInfo(
ppapi::host::HostMessageContext* context,
const PP_PrivateAccessibilityPageInfo& page_info,
const std::vector<PP_PrivateAccessibilityTextRunInfo>& text_runs,
const std::vector<PP_PrivateAccessibilityCharInfo>& chars);
int32_t OnHostMsgSelectionChanged(ppapi::host::HostMessageContext* context,
const PP_FloatPoint& left,
int32_t left_height,
const PP_FloatPoint& right,
int32_t right_height);
void CreatePdfAccessibilityTreeIfNeeded();
content::RenderFrame* GetRenderFrame();
mojom::PdfService* GetRemotePdfService();
blink::WebLocalFrame* GetWebLocalFrame();
std::unique_ptr<PdfAccessibilityTree> pdf_accessibility_tree_;
content::RendererPpapiHost* const host_;
mojom::PdfServiceAssociatedPtr remote_pdf_service_;
mojo::Binding<mojom::PdfListener> binding_;
DISALLOW_COPY_AND_ASSIGN(PepperPDFHost);
};
} // namespace pdf
#endif // COMPONENTS_PDF_RENDERER_PEPPER_PDF_HOST_H_