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
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/java/ClipboardWrappers.h"
#include "mozilla/java/GeckoAppShellWrappers.h"
#include "nsClipboard.h"
#include "nsISupportsPrimitives.h"
#include "nsCOMPtr.h"
#include "nsComponentManagerUtils.h"
#include "nsMemory.h"
#include "nsStringStream.h"
#include "nsPrimitiveHelpers.h"
using namespace mozilla;
NS_IMPL_ISUPPORTS_INHERITED0(nsClipboard, nsBaseClipboard)
/* The Android clipboard only supports text and doesn't support mime types
* so we assume all clipboard data is text/plain for now. Documentation
* indicates that support for other data types is planned for future
* releases.
*/
nsClipboard::nsClipboard()
: nsBaseClipboard(mozilla::dom::ClipboardCapabilities(
false /* supportsSelectionClipboard */,
false /* supportsFindClipboard */,
false /* supportsSelectionCache */)) {
java::Clipboard::StartTrackingClipboardData(
java::GeckoAppShell::GetApplicationContext());
}
nsClipboard::~nsClipboard() {
java::Clipboard::StopTrackingClipboardData(
java::GeckoAppShell::GetApplicationContext());
}
// static
nsresult nsClipboard::GetTextFromTransferable(nsITransferable* aTransferable,
nsString& aText,
nsString& aHTML) {
nsTArray<nsCString> flavors;
nsresult rv = aTransferable->FlavorsTransferableCanImport(flavors);
if (NS_FAILED(rv)) {
return rv;
}
for (auto& flavorStr : flavors) {
if (flavorStr.EqualsLiteral(kTextMime)) {
nsCOMPtr<nsISupports> item;
nsresult rv =
aTransferable->GetTransferData(kTextMime, getter_AddRefs(item));
if (NS_WARN_IF(NS_FAILED(rv))) {
continue;
}
nsCOMPtr<nsISupportsString> supportsString = do_QueryInterface(item);
if (supportsString) {
supportsString->GetData(aText);
}
} else if (flavorStr.EqualsLiteral(kHTMLMime)) {
nsCOMPtr<nsISupports> item;
nsresult rv =
aTransferable->GetTransferData(kHTMLMime, getter_AddRefs(item));
if (NS_WARN_IF(NS_FAILED(rv))) {
continue;
}
nsCOMPtr<nsISupportsString> supportsString = do_QueryInterface(item);
if (supportsString) {
supportsString->GetData(aHTML);
}
}
}
return NS_OK;
}
NS_IMETHODIMP
nsClipboard::SetNativeClipboardData(nsITransferable* aTransferable,
int32_t aWhichClipboard) {
MOZ_DIAGNOSTIC_ASSERT(aTransferable);
MOZ_DIAGNOSTIC_ASSERT(
nsIClipboard::IsClipboardTypeSupported(aWhichClipboard));
if (!jni::IsAvailable()) {
return NS_ERROR_NOT_AVAILABLE;
}
nsString text;
nsString html;
nsresult rv = GetTextFromTransferable(aTransferable, text, html);
if (NS_FAILED(rv)) {
return rv;
}
if (!html.IsEmpty() &&
java::Clipboard::SetHTML(java::GeckoAppShell::GetApplicationContext(),
text, html)) {
return NS_OK;
}
if (!text.IsEmpty() &&
java::Clipboard::SetText(java::GeckoAppShell::GetApplicationContext(),
text)) {
return NS_OK;
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsClipboard::GetNativeClipboardData(nsITransferable* aTransferable,
int32_t aWhichClipboard) {
MOZ_DIAGNOSTIC_ASSERT(aTransferable);
MOZ_DIAGNOSTIC_ASSERT(
nsIClipboard::IsClipboardTypeSupported(aWhichClipboard));
if (!jni::IsAvailable()) {
return NS_ERROR_NOT_AVAILABLE;
}
nsTArray<nsCString> flavors;
aTransferable->FlavorsTransferableCanImport(flavors);
for (auto& flavorStr : flavors) {
if (flavorStr.EqualsLiteral(kTextMime) ||
flavorStr.EqualsLiteral(kHTMLMime)) {
auto text = java::Clipboard::GetTextData(
java::GeckoAppShell::GetApplicationContext(), flavorStr);
if (!text) {
continue;
}
nsString buffer = text->ToString();
if (buffer.IsEmpty()) {
continue;
}
nsCOMPtr<nsISupports> wrapper;
nsPrimitiveHelpers::CreatePrimitiveForData(flavorStr, buffer.get(),
buffer.Length() * 2,
getter_AddRefs(wrapper));
if (wrapper) {
aTransferable->SetTransferData(flavorStr.get(), wrapper);
return NS_OK;
}
continue;
}
mozilla::jni::ByteArray::LocalRef bytes;
nsresult rv = java::Clipboard::GetRawData(flavorStr, &bytes);
if (NS_FAILED(rv) || !bytes) {
continue;
}
nsCOMPtr<nsIInputStream> byteStream;
rv = NS_NewByteInputStream(
getter_AddRefs(byteStream),
mozilla::Span(
reinterpret_cast<const char*>(bytes->GetElements().Elements()),
bytes->Length()),
NS_ASSIGNMENT_COPY);
if (NS_WARN_IF(NS_FAILED(rv))) {
continue;
}
rv = aTransferable->SetTransferData(flavorStr.get(), byteStream);
if (NS_WARN_IF(NS_FAILED(rv))) {
continue;
}
}
return NS_ERROR_FAILURE;
}
nsresult nsClipboard::EmptyNativeClipboardData(int32_t aWhichClipboard) {
MOZ_DIAGNOSTIC_ASSERT(
nsIClipboard::IsClipboardTypeSupported(aWhichClipboard));
if (!jni::IsAvailable()) {
return NS_ERROR_NOT_AVAILABLE;
}
java::Clipboard::Clear(java::GeckoAppShell::GetApplicationContext());
return NS_OK;
}
mozilla::Result<int32_t, nsresult>
nsClipboard::GetNativeClipboardSequenceNumber(int32_t aWhichClipboard) {
MOZ_DIAGNOSTIC_ASSERT(
nsIClipboard::IsClipboardTypeSupported(aWhichClipboard));
if (!jni::IsAvailable()) {
return Err(NS_ERROR_NOT_AVAILABLE);
}
return java::Clipboard::GetSequenceNumber(
java::GeckoAppShell::GetApplicationContext());
}
mozilla::Result<bool, nsresult>
nsClipboard::HasNativeClipboardDataMatchingFlavors(
const nsTArray<nsCString>& aFlavorList, int32_t aWhichClipboard) {
MOZ_DIAGNOSTIC_ASSERT(
nsIClipboard::IsClipboardTypeSupported(aWhichClipboard));
if (!jni::IsAvailable()) {
return Err(NS_ERROR_NOT_AVAILABLE);
}
for (auto& flavor : aFlavorList) {
if (java::Clipboard::HasData(java::GeckoAppShell::GetApplicationContext(),
NS_ConvertASCIItoUTF16(flavor))) {
return true;
}
}
return false;
}
|
