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
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
// Copyright (c) 2012 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.
// This file provides the embedder's side of the Clipboard interface.
#include "content/renderer/renderer_clipboard_delegate.h"
#include "base/memory/shared_memory.h"
#include "base/numerics/safe_math.h"
#include "content/common/clipboard_messages.h"
#include "content/public/renderer/content_renderer_client.h"
#include "content/renderer/render_thread_impl.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/base/clipboard/clipboard.h"
#include "ui/gfx/geometry/size.h"
namespace content {
RendererClipboardDelegate::RendererClipboardDelegate() {
}
uint64 RendererClipboardDelegate::GetSequenceNumber(ui::ClipboardType type) {
uint64 sequence_number = 0;
RenderThreadImpl::current()->Send(
new ClipboardHostMsg_GetSequenceNumber(type, &sequence_number));
return sequence_number;
}
bool RendererClipboardDelegate::IsFormatAvailable(
content::ClipboardFormat format,
ui::ClipboardType type) {
bool result = false;
RenderThreadImpl::current()->Send(
new ClipboardHostMsg_IsFormatAvailable(format, type, &result));
return result;
}
void RendererClipboardDelegate::Clear(ui::ClipboardType type) {
RenderThreadImpl::current()->Send(new ClipboardHostMsg_Clear(type));
}
void RendererClipboardDelegate::ReadAvailableTypes(
ui::ClipboardType type,
std::vector<base::string16>* types,
bool* contains_filenames) {
RenderThreadImpl::current()->Send(
new ClipboardHostMsg_ReadAvailableTypes(type, types, contains_filenames));
}
void RendererClipboardDelegate::ReadText(ui::ClipboardType type,
base::string16* result) {
RenderThreadImpl::current()->Send(
new ClipboardHostMsg_ReadText(type, result));
}
void RendererClipboardDelegate::ReadHTML(ui::ClipboardType type,
base::string16* markup,
GURL* url,
uint32* fragment_start,
uint32* fragment_end) {
RenderThreadImpl::current()->Send(new ClipboardHostMsg_ReadHTML(
type, markup, url, fragment_start, fragment_end));
}
void RendererClipboardDelegate::ReadRTF(ui::ClipboardType type,
std::string* result) {
RenderThreadImpl::current()->Send(new ClipboardHostMsg_ReadRTF(type, result));
}
void RendererClipboardDelegate::ReadImage(ui::ClipboardType type,
std::string* data) {
base::SharedMemoryHandle image_handle;
uint32 image_size = 0;
RenderThreadImpl::current()->Send(
new ClipboardHostMsg_ReadImage(type, &image_handle, &image_size));
if (base::SharedMemory::IsHandleValid(image_handle)) {
base::SharedMemory buffer(image_handle, true);
buffer.Map(image_size);
data->append(static_cast<char*>(buffer.memory()), image_size);
}
}
void RendererClipboardDelegate::ReadCustomData(ui::ClipboardType clipboard_type,
const base::string16& type,
base::string16* data) {
RenderThreadImpl::current()->Send(
new ClipboardHostMsg_ReadCustomData(clipboard_type, type, data));
}
void RendererClipboardDelegate::WriteText(ui::ClipboardType clipboard_type,
const base::string16& text) {
RenderThreadImpl::current()->Send(
new ClipboardHostMsg_WriteText(clipboard_type, text));
}
void RendererClipboardDelegate::WriteHTML(ui::ClipboardType clipboard_type,
const base::string16& markup,
const GURL& url) {
RenderThreadImpl::current()->Send(
new ClipboardHostMsg_WriteHTML(clipboard_type, markup, url));
}
void RendererClipboardDelegate::WriteSmartPasteMarker(
ui::ClipboardType clipboard_type) {
RenderThreadImpl::current()->Send(
new ClipboardHostMsg_WriteSmartPasteMarker(clipboard_type));
}
void RendererClipboardDelegate::WriteCustomData(
ui::ClipboardType clipboard_type,
const std::map<base::string16, base::string16>& data) {
RenderThreadImpl::current()->Send(
new ClipboardHostMsg_WriteCustomData(clipboard_type, data));
}
void RendererClipboardDelegate::WriteBookmark(ui::ClipboardType clipboard_type,
const GURL& url,
const base::string16& title) {
RenderThreadImpl::current()->Send(
new ClipboardHostMsg_WriteBookmark(clipboard_type, url.spec(), title));
}
bool RendererClipboardDelegate::WriteImage(ui::ClipboardType clipboard_type,
const SkBitmap& bitmap) {
// Only 32-bit bitmaps are supported.
DCHECK_EQ(bitmap.colorType(), kN32_SkColorType);
const gfx::Size size(bitmap.width(), bitmap.height());
scoped_ptr<base::SharedMemory> shared_buf;
{
SkAutoLockPixels locked(bitmap);
void* pixels = bitmap.getPixels();
// TODO(piman): this should not be NULL, but it is. crbug.com/369621
if (!pixels)
return false;
base::CheckedNumeric<uint32> checked_buf_size = 4;
checked_buf_size *= size.width();
checked_buf_size *= size.height();
if (!checked_buf_size.IsValid())
return false;
// Allocate a shared memory buffer to hold the bitmap bits.
uint32 buf_size = checked_buf_size.ValueOrDie();
shared_buf = ChildThreadImpl::current()->AllocateSharedMemory(buf_size);
if (!shared_buf)
return false;
if (!shared_buf->Map(buf_size))
return false;
// Copy the bits into shared memory
DCHECK(shared_buf->memory());
memcpy(shared_buf->memory(), pixels, buf_size);
shared_buf->Unmap();
}
RenderThreadImpl::current()->Send(new ClipboardHostMsg_WriteImage(
clipboard_type, size, shared_buf->handle()));
return true;
}
void RendererClipboardDelegate::CommitWrite(ui::ClipboardType clipboard_type) {
RenderThreadImpl::current()->Send(
new ClipboardHostMsg_CommitWrite(clipboard_type));
}
} // namespace content
|
