DevTools: [Android] implement RenderWidgetHostViewAndroid::CopyFromCompositingSurface

content/browser/web_contents/web_contents_view_mac.mm

 // 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.
 
 #import <Carbon/Carbon.h>
 
 #import "content/browser/web_contents/web_contents_view_mac.h"
 
 #include <string>
 
 #import "base/mac/scoped_sending_event.h"
 #include "base/message_loop/message_loop.h"
 #import "base/message_loop/message_pump_mac.h"
 #include "content/browser/renderer_host/popup_menu_helper_mac.h"
 #include "content/browser/renderer_host/render_view_host_factory.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_view_mac.h"
 #include "content/browser/web_contents/web_contents_impl.h"
 #import "content/browser/web_contents/web_drag_dest_mac.h"
 #import "content/browser/web_contents/web_drag_source_mac.h"
 #include "content/common/view_messages.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "content/public/browser/web_contents_view_delegate.h"
 #include "skia/ext/skia_utils_mac.h"
 #import "third_party/mozilla/NSPasteboard+Utils.h"
 #include "ui/base/clipboard/custom_data_helper.h"
 #import "ui/base/cocoa/focus_tracker.h"
 #include "ui/base/dragdrop/cocoa_dnd_util.h"
 #include "ui/gfx/image/image_skia_util_mac.h"
+#include "ui/snapshot/snapshot.h"
 
 using WebKit::WebDragOperation;
 using WebKit::WebDragOperationsMask;
 using content::DropData;
 using content::PopupMenuHelper;
 using content::RenderViewHostFactory;
 using content::RenderWidgetHostView;
 using content::RenderWidgetHostViewMac;
 using content::WebContents;
 using content::WebContentsImpl;
@@ skipping 181 matching lines @@
 // This is called when the renderer asks us to take focus back (i.e., it has
 // iterated past the last focusable element on the page).
 void WebContentsViewMac::TakeFocus(bool reverse) {
   if (reverse) {
     [[cocoa_view_ window] selectPreviousKeyView:cocoa_view_.get()];
   } else {
     [[cocoa_view_ window] selectNextKeyView:cocoa_view_.get()];
   }
 }
 
+bool WebContentsViewMac::GrabSnapshot(const std::string& format,
+                                      int quality,
+                                      double scale,
+                                      std::vector<uint8>* data) {
+  if (format != "png" || scale != 1) {
+    LOG(ERROR) << "Can only capture non-scaled PNG snapshots.";
+    return false;
+  }
+  return ui::GrabViewSnapshot(GetNativeView(), data, GetViewBounds());
+}
+
 void WebContentsViewMac::ShowContextMenu(const ContextMenuParams& params) {
   // Allow delegates to handle the context menu operation first.
   if (web_contents_->GetDelegate() &&
       web_contents_->GetDelegate()->HandleContextMenu(params)) {
     return;
   }
 
   if (delegate())
     delegate()->ShowContextMenu(params);
   else
@@ skipping 314 matching lines @@
       [[[notification userInfo] objectForKey:kSelectionDirection]
         unsignedIntegerValue];
   if (direction == NSDirectSelection)
     return;
 
   [self webContents]->
       FocusThroughTabTraversal(direction == NSSelectingPrevious);
 }
 
 @end