Index: content/renderer/renderer_clipboard_client.cc |
diff --git a/content/renderer/renderer_clipboard_client.cc b/content/renderer/renderer_clipboard_client.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..d87d527dcebf8e1d9675b6793da2aa9089894a34 |
--- /dev/null |
+++ b/content/renderer/renderer_clipboard_client.cc |
@@ -0,0 +1,175 @@ |
+// Copyright (c) 2011 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 random webkit glue functions. |
+ |
+#include "content/renderer/renderer_clipboard_client.h" |
+ |
+#include "build/build_config.h" |
+ |
+#include <string> |
+#include <vector> |
+ |
+#include "base/shared_memory.h" |
+#include "base/string16.h" |
+#include "content/common/clipboard_messages.h" |
+#include "content/public/renderer/content_renderer_client.h" |
+#include "content/renderer/render_thread_impl.h" |
+#include "ui/base/clipboard/clipboard.h" |
+#include "ui/gfx/size.h" |
+#include "webkit/glue/scoped_clipboard_writer_glue.h" |
+ |
+namespace { |
+ |
+class RendererClipboardWriteContext : |
+ public webkit_glue::ClipboardClient::WriteContext { |
+ public: |
+ RendererClipboardWriteContext(); |
+ virtual ~RendererClipboardWriteContext(); |
+ virtual void WriteBitmapFromPixels(ui::Clipboard::ObjectMap* objects, |
+ const void* pixels, |
+ const gfx::Size& size); |
+ virtual void FlushAndDestroy(const ui::Clipboard::ObjectMap& objects); |
+ |
+ private: |
+ scoped_ptr<base::SharedMemory> shared_buf_; |
+ DISALLOW_COPY_AND_ASSIGN(RendererClipboardWriteContext); |
+}; |
+ |
+RendererClipboardWriteContext::RendererClipboardWriteContext() { |
+} |
+ |
+RendererClipboardWriteContext::~RendererClipboardWriteContext() { |
+} |
+ |
+// This definition of WriteBitmapFromPixels uses shared memory to communicate |
+// across processes. |
+void RendererClipboardWriteContext::WriteBitmapFromPixels( |
+ ui::Clipboard::ObjectMap* objects, |
+ const void* pixels, |
+ const gfx::Size& size) { |
+ // Do not try to write a bitmap more than once |
+ if (shared_buf_.get()) |
+ return; |
+ |
+ uint32 buf_size = 4 * size.width() * size.height(); |
+ |
+ // Allocate a shared memory buffer to hold the bitmap bits. |
+ shared_buf_.reset(ChildThread::current()->AllocateSharedMemory(buf_size)); |
+ if (!shared_buf_.get()) |
+ return; |
+ |
+ // Copy the bits into shared memory |
+ DCHECK(shared_buf_->memory()); |
+ memcpy(shared_buf_->memory(), pixels, buf_size); |
+ shared_buf_->Unmap(); |
+ |
+ ui::Clipboard::ObjectMapParam size_param; |
+ const char* size_data = reinterpret_cast<const char*>(&size); |
+ for (size_t i = 0; i < sizeof(gfx::Size); ++i) |
+ size_param.push_back(size_data[i]); |
+ |
+ ui::Clipboard::ObjectMapParams params; |
+ |
+ // The first parameter is replaced on the receiving end with a pointer to |
+ // a shared memory object containing the bitmap. We reserve space for it here. |
+ ui::Clipboard::ObjectMapParam place_holder_param; |
+ params.push_back(place_holder_param); |
+ params.push_back(size_param); |
+ (*objects)[ui::Clipboard::CBF_SMBITMAP] = params; |
+} |
+ |
+// Define a destructor that makes IPCs to flush the contents to the |
+// system clipboard. |
+void RendererClipboardWriteContext::FlushAndDestroy( |
+ const ui::Clipboard::ObjectMap& objects) { |
+ scoped_ptr<RendererClipboardWriteContext> delete_on_return(this); |
+ if (objects.empty()) |
+ return; |
+ |
+ if (shared_buf_.get()) { |
+ RenderThreadImpl::current()->Send( |
+ new ClipboardHostMsg_WriteObjectsSync(objects, shared_buf_->handle())); |
+ } else { |
+ RenderThreadImpl::current()->Send( |
+ new ClipboardHostMsg_WriteObjectsAsync(objects)); |
+ } |
+} |
+ |
+} // anonymous namespace |
+ |
+RendererClipboardClient::RendererClipboardClient() { |
+} |
+ |
+RendererClipboardClient::~RendererClipboardClient() { |
+} |
+ |
+ui::Clipboard* RendererClipboardClient::GetClipboard() { |
+ return NULL; |
+} |
+ |
+uint64 RendererClipboardClient::GetSequenceNumber( |
+ ui::Clipboard::Buffer buffer) { |
+ uint64 sequence_number = 0; |
+ RenderThreadImpl::current()->Send( |
+ new ClipboardHostMsg_GetSequenceNumber(buffer, |
+ &sequence_number)); |
+ return sequence_number; |
+} |
+ |
+bool RendererClipboardClient::IsFormatAvailable( |
+ const ui::Clipboard::FormatType& format, |
+ ui::Clipboard::Buffer buffer) { |
+ bool result; |
+ RenderThreadImpl::current()->Send( |
+ new ClipboardHostMsg_IsFormatAvailable(format, buffer, &result)); |
+ return result; |
+} |
+ |
+void RendererClipboardClient::ReadAvailableTypes( |
+ ui::Clipboard::Buffer buffer, |
+ std::vector<string16>* types, |
+ bool* contains_filenames) { |
+ RenderThreadImpl::current()->Send(new ClipboardHostMsg_ReadAvailableTypes( |
+ buffer, types, contains_filenames)); |
+} |
+ |
+void RendererClipboardClient::ReadText(ui::Clipboard::Buffer buffer, |
+ string16* result) { |
+ RenderThreadImpl::current()->Send( |
+ new ClipboardHostMsg_ReadText(buffer, result)); |
+} |
+ |
+void RendererClipboardClient::ReadAsciiText(ui::Clipboard::Buffer buffer, |
+ std::string* result) { |
+ RenderThreadImpl::current()->Send( |
+ new ClipboardHostMsg_ReadAsciiText(buffer, result)); |
+} |
+ |
+void RendererClipboardClient::ReadHTML(ui::Clipboard::Buffer buffer, |
+ string16* markup, |
+ GURL* url, uint32* fragment_start, |
+ uint32* fragment_end) { |
+ RenderThreadImpl::current()->Send( |
+ new ClipboardHostMsg_ReadHTML(buffer, markup, url, fragment_start, |
+ fragment_end)); |
+} |
+ |
+void RendererClipboardClient::ReadImage(ui::Clipboard::Buffer buffer, |
+ std::string* data) { |
+ base::SharedMemoryHandle image_handle; |
+ uint32 image_size; |
+ RenderThreadImpl::current()->Send( |
+ new ClipboardHostMsg_ReadImage(buffer, &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); |
+ } |
+} |
+ |
+webkit_glue::ClipboardClient::WriteContext* |
+RendererClipboardClient::CreateWriteContext() { |
+ return new RendererClipboardWriteContext; |
+} |