1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
// 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 <string>
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/strings/string16.h"
#include "ipc/ipc_platform_file.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"
struct PP_ImageDataDesc;
struct PP_Size;
class SkBitmap;
namespace content {
class PepperPluginInstance;
class RendererPpapiHost;
}
namespace ppapi {
class HostResource;
}
namespace ppapi {
namespace host {
struct HostMessageContext;
}
}
namespace pdf {
class PdfAccessibilityTree;
class PepperPDFHost : public ppapi::host::ResourceHost {
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);
int32_t OnResourceMessageReceived(
const IPC::Message& msg,
ppapi::host::HostMessageContext* context) 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 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);
void CreatePdfAccessibilityTreeIfNeeded(
content::PepperPluginInstance* instance);
std::unique_ptr<PdfAccessibilityTree> pdf_accessibility_tree_;
content::RendererPpapiHost* host_;
DISALLOW_COPY_AND_ASSIGN(PepperPDFHost);
};
} // namespace pdf
#endif // COMPONENTS_PDF_RENDERER_PEPPER_PDF_HOST_H_
|