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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 // This file provides the embedder's side of the Clipboard interface. | |
| 6 | |
| 7 #include "content/renderer/renderer_clipboard_delegate.h" | |
| 8 | |
| 9 #include "base/memory/shared_memory.h" | |
| 10 #include "base/numerics/safe_math.h" | |
| 11 #include "content/common/clipboard_messages.h" | |
| 12 #include "content/public/renderer/content_renderer_client.h" | |
| 13 #include "content/renderer/render_thread_impl.h" | |
| 14 #include "third_party/skia/include/core/SkBitmap.h" | |
| 15 #include "ui/base/clipboard/clipboard.h" | |
| 16 #include "ui/gfx/size.h" | |
| 17 | |
| 18 namespace content { | |
| 19 | |
| 20 RendererClipboardDelegate::RendererClipboardDelegate() { | |
| 21 } | |
| 22 | |
| 23 uint64 RendererClipboardDelegate::GetSequenceNumber(ui::ClipboardType type) { | |
| 24 uint64 sequence_number = 0; | |
| 25 RenderThreadImpl::current()->Send( | |
| 26 new ClipboardHostMsg_GetSequenceNumber(type, &sequence_number)); | |
| 27 return sequence_number; | |
| 28 } | |
| 29 | |
| 30 bool RendererClipboardDelegate::IsFormatAvailable( | |
| 31 content::ClipboardFormat format, | |
| 32 ui::ClipboardType type) { | |
| 33 bool result = false; | |
| 34 RenderThreadImpl::current()->Send( | |
| 35 new ClipboardHostMsg_IsFormatAvailable(format, type, &result)); | |
| 36 return result; | |
| 37 } | |
| 38 | |
| 39 void RendererClipboardDelegate::Clear(ui::ClipboardType type) { | |
| 40 RenderThreadImpl::current()->Send(new ClipboardHostMsg_Clear(type)); | |
| 41 } | |
| 42 | |
| 43 void RendererClipboardDelegate::ReadAvailableTypes( | |
| 44 ui::ClipboardType type, | |
| 45 std::vector<base::string16>* types, | |
| 46 bool* contains_filenames) { | |
| 47 RenderThreadImpl::current()->Send( | |
| 48 new ClipboardHostMsg_ReadAvailableTypes(type, types, contains_filenames)); | |
| 49 } | |
| 50 | |
| 51 void RendererClipboardDelegate::ReadText(ui::ClipboardType type, | |
| 52 base::string16* result) { | |
| 53 RenderThreadImpl::current()->Send( | |
| 54 new ClipboardHostMsg_ReadText(type, result)); | |
| 55 } | |
| 56 | |
| 57 void RendererClipboardDelegate::ReadHTML(ui::ClipboardType type, | |
| 58 base::string16* markup, | |
| 59 GURL* url, | |
| 60 uint32* fragment_start, | |
| 61 uint32* fragment_end) { | |
| 62 RenderThreadImpl::current()->Send(new ClipboardHostMsg_ReadHTML( | |
| 63 type, markup, url, fragment_start, fragment_end)); | |
| 64 } | |
| 65 | |
| 66 void RendererClipboardDelegate::ReadRTF(ui::ClipboardType type, | |
| 67 std::string* result) { | |
| 68 RenderThreadImpl::current()->Send(new ClipboardHostMsg_ReadRTF(type, result)); | |
| 69 } | |
| 70 | |
| 71 void RendererClipboardDelegate::ReadImage(ui::ClipboardType type, | |
| 72 std::string* data) { | |
| 73 base::SharedMemoryHandle image_handle; | |
| 74 uint32 image_size = 0; | |
| 75 RenderThreadImpl::current()->Send( | |
| 76 new ClipboardHostMsg_ReadImage(type, &image_handle, &image_size)); | |
| 77 if (base::SharedMemory::IsHandleValid(image_handle)) { | |
| 78 base::SharedMemory buffer(image_handle, true); | |
| 79 buffer.Map(image_size); | |
| 80 data->append(static_cast<char*>(buffer.memory()), image_size); | |
| 81 } | |
| 82 } | |
| 83 | |
| 84 void RendererClipboardDelegate::ReadCustomData(ui::ClipboardType clipboard_type, | |
| 85 const base::string16& type, | |
| 86 base::string16* data) { | |
| 87 RenderThreadImpl::current()->Send( | |
| 88 new ClipboardHostMsg_ReadCustomData(clipboard_type, type, data)); | |
| 89 } | |
| 90 | |
| 91 void RendererClipboardDelegate::WriteText(ui::ClipboardType clipboard_type, | |
| 92 const base::string16& text) { | |
| 93 RenderThreadImpl::current()->Send( | |
| 94 new ClipboardHostMsg_WriteText(clipboard_type, text)); | |
| 95 } | |
| 96 | |
| 97 void RendererClipboardDelegate::WriteHTML(ui::ClipboardType clipboard_type, | |
| 98 const base::string16& markup, | |
| 99 const GURL& url) { | |
| 100 RenderThreadImpl::current()->Send( | |
| 101 new ClipboardHostMsg_WriteHTML(clipboard_type, markup, url)); | |
| 102 } | |
| 103 | |
| 104 void RendererClipboardDelegate::WriteSmartPasteMarker( | |
| 105 ui::ClipboardType clipboard_type) { | |
| 106 RenderThreadImpl::current()->Send( | |
| 107 new ClipboardHostMsg_WriteSmartPasteMarker(clipboard_type)); | |
| 108 } | |
| 109 | |
| 110 void RendererClipboardDelegate::WriteCustomData( | |
| 111 ui::ClipboardType clipboard_type, | |
| 112 const std::map<base::string16, base::string16>& data) { | |
| 113 RenderThreadImpl::current()->Send( | |
| 114 new ClipboardHostMsg_WriteCustomData(clipboard_type, data)); | |
| 115 } | |
| 116 | |
| 117 void RendererClipboardDelegate::WriteBookmark(ui::ClipboardType clipboard_type, | |
| 118 const GURL& url, | |
| 119 const base::string16& title) { | |
| 120 RenderThreadImpl::current()->Send( | |
| 121 new ClipboardHostMsg_WriteBookmark(clipboard_type, url, title)); | |
| 122 } | |
| 123 | |
| 124 bool RendererClipboardDelegate::WriteImage(ui::ClipboardType clipboard_type, | |
| 125 const SkBitmap& bitmap) { | |
| 126 // Only 32-bit bitmaps are supported. | |
| 127 DCHECK_EQ(bitmap.colorType(), kN32_SkColorType); | |
| 128 | |
| 129 const gfx::Size size(bitmap.width(), bitmap.height()); | |
| 130 scoped_ptr<base::SharedMemory> shared_buf; | |
| 131 { | |
| 132 SkAutoLockPixels locked(bitmap); | |
| 133 void* pixels = bitmap.getPixels(); | |
| 134 // TODO(piman): this should not be NULL, but it is. crbug.com/369621 | |
| 135 if (!pixels) | |
| 136 return false; | |
| 137 | |
| 138 base::CheckedNumeric<uint32> checked_buf_size = 4; | |
| 139 checked_buf_size *= size.width(); | |
| 140 checked_buf_size *= size.height(); | |
| 141 if (!checked_buf_size.IsValid()) | |
| 142 return false; | |
| 143 | |
| 144 // Allocate a shared memory buffer to hold the bitmap bits. | |
| 145 uint32 buf_size = checked_buf_size.ValueOrDie(); | |
| 146 shared_buf.reset(ChildThread::current()->AllocateSharedMemory(buf_size)); | |
| 147 if (!shared_buf) | |
| 148 return false; | |
| 149 // Copy the bits into shared memory | |
| 150 DCHECK(shared_buf->memory()); | |
| 151 memcpy(shared_buf->memory(), pixels, buf_size); | |
| 152 shared_buf->Unmap(); | |
| 153 } | |
| 154 | |
| 155 RenderThreadImpl::current()->Send(new ClipboardHostMsg_WriteImage( | |
| 156 clipboard_type, size, shared_buf->handle())); | |
| 157 return true; | |
| 158 } | |
| 159 | |
| 160 void RendererClipboardDelegate::CommitWrite(ui::ClipboardType clipboard_type) { | |
| 161 RenderThreadImpl::current()->Send( | |
| 162 new ClipboardHostMsg_CommitWrite(clipboard_type)); | |
| 163 } | |
| 164 | |
| 165 } // namespace content | |
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Chromium Code Reviews
Issue 740003003:
Revert of Rewrite clipboard write IPC handling to be easier to understand. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master