| // 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/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, 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 = ChildThread::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 |