Move GetContextMenuNode from RenderView to RenderFrame.

chrome/renderer/chrome_render_view_observer.cc

 // 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.
 
 #include "chrome/renderer/chrome_render_view_observer.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 12 matching lines @@
 #include "chrome/renderer/safe_browsing/phishing_classifier_delegate.h"
 #include "chrome/renderer/translate/translate_helper.h"
 #include "chrome/renderer/webview_color_overlay.h"
 #include "content/public/common/bindings_policy.h"
 #include "content/public/renderer/content_renderer_client.h"
 #include "content/public/renderer/render_frame.h"
 #include "content/public/renderer/render_view.h"
 #include "extensions/common/constants.h"
 #include "extensions/common/stack_frame.h"
 #include "net/base/data_url.h"
-#include "skia/ext/image_operations.h"
 #include "skia/ext/platform_canvas.h"
 #include "third_party/WebKit/public/platform/WebCString.h"
 #include "third_party/WebKit/public/platform/WebRect.h"
 #include "third_party/WebKit/public/platform/WebSize.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/WebURLRequest.h"
 #include "third_party/WebKit/public/platform/WebVector.h"
 #include "third_party/WebKit/public/web/WebAXObject.h"
 #include "third_party/WebKit/public/web/WebDataSource.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
@@ skipping 53 matching lines @@
 static const char kTranslateCaptureText[] = "Translate.CaptureText";
 
 namespace {
 
 GURL StripRef(const GURL& url) {
   GURL::Replacements replacements;
   replacements.ClearRef();
   return url.ReplaceComponents(replacements);
 }
 
-// If the source image is null or occupies less area than
-// |thumbnail_min_area_pixels|, we return the image unmodified.  Otherwise, we
-// scale down the image so that the width and height do not exceed
-// |thumbnail_max_size_pixels|, preserving the original aspect ratio.
-SkBitmap Downscale(blink::WebImage image,
-                   int thumbnail_min_area_pixels,
-                   gfx::Size thumbnail_max_size_pixels) {
-  if (image.isNull())
-    return SkBitmap();
-
-  gfx::Size image_size = image.size();
-
-  if (image_size.GetArea() < thumbnail_min_area_pixels)
-    return image.getSkBitmap();
-
-  if (image_size.width() <= thumbnail_max_size_pixels.width() &&
-      image_size.height() <= thumbnail_max_size_pixels.height())
-    return image.getSkBitmap();
-
-  gfx::SizeF scaled_size = image_size;
-
-  if (scaled_size.width() > thumbnail_max_size_pixels.width()) {
-    scaled_size.Scale(thumbnail_max_size_pixels.width() / scaled_size.width());
-  }
-
-  if (scaled_size.height() > thumbnail_max_size_pixels.height()) {
-    scaled_size.Scale(
-        thumbnail_max_size_pixels.height() / scaled_size.height());
-  }
-
-  return skia::ImageOperations::Resize(image.getSkBitmap(),
-                                       skia::ImageOperations::RESIZE_GOOD,
-                                       static_cast<int>(scaled_size.width()),
-                                       static_cast<int>(scaled_size.height()));
-}
-
 // The delimiter for a stack trace provided by WebKit.
 const char kStackFrameDelimiter[] = "\n    at ";
 
 // Get a stack trace from a WebKit console message.
 // There are three possible scenarios:
 // 1. WebKit gives us a stack trace in |stack_trace|.
 // 2. The stack trace is embedded in the error |message| by an internal
 //    script. This will be more useful than |stack_trace|, since |stack_trace|
 //    will include the internal bindings trace, instead of a developer's code.
 // 3. No stack trace is included. In this case, we should mock one up from
@@ skipping 115 matching lines @@
 bool ChromeRenderViewObserver::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(ChromeRenderViewObserver, message)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_WebUIJavaScript, OnWebUIJavaScript)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_JavaScriptStressTestControl,
                         OnJavaScriptStressTestControl)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SetClientSidePhishingDetection,
                         OnSetClientSidePhishingDetection)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SetVisuallyDeemphasized,
                         OnSetVisuallyDeemphasized)
-    IPC_MESSAGE_HANDLER(ChromeViewMsg_RequestThumbnailForContextNode,
-                        OnRequestThumbnailForContextNode)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_GetFPS, OnGetFPS)
 #if defined(OS_ANDROID)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_UpdateTopControlsState,
                         OnUpdateTopControlsState)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_RetrieveWebappInformation,
                         OnRetrieveWebappInformation)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_RetrieveMetaTagContent,
                         OnRetrieveMetaTagContent)
 #endif
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SetWindowFeatures, OnSetWindowFeatures)
@@ skipping 129 matching lines @@
   if (deemphasized) {
     // 70% opaque grey.
     SkColor greyish = SkColorSetARGB(178, 0, 0, 0);
     dimmed_color_overlay_.reset(
         new WebViewColorOverlay(render_view(), greyish));
   } else {
     dimmed_color_overlay_.reset();
   }
 }
 
-void ChromeRenderViewObserver::OnRequestThumbnailForContextNode(
-    int thumbnail_min_area_pixels, gfx::Size thumbnail_max_size_pixels) {
-  WebNode context_node = render_view()->GetContextMenuNode();
-  SkBitmap thumbnail;
-  gfx::Size original_size;
-  if (!context_node.isNull() && context_node.isElementNode()) {
-    blink::WebImage image = context_node.to<WebElement>().imageContents();
-    original_size = image.size();
-    thumbnail = Downscale(image,
-                          thumbnail_min_area_pixels,
-                          thumbnail_max_size_pixels);
-  }
-  Send(new ChromeViewHostMsg_RequestThumbnailForContextNode_ACK(
-      routing_id(), thumbnail, original_size));
-}
-
 void ChromeRenderViewObserver::OnGetFPS() {
   float fps = (render_view()->GetFilteredTimePerFrame() > 0.0f)?
       1.0f / render_view()->GetFilteredTimePerFrame() : 0.0f;
   Send(new ChromeViewHostMsg_FPS(routing_id(), fps));
 }
 
 void ChromeRenderViewObserver::DidStartLoading() {
   if ((render_view()->GetEnabledBindings() & content::BINDINGS_POLICY_WEB_UI) &&
       webui_javascript_.get()) {
     render_view()->EvaluateScript(webui_javascript_->frame_xpath,
@@ skipping 199 matching lines @@
     WebElement element = node.to<WebElement>();
     if (!element.hasTagName(tag_name))
       continue;
     WebString value = element.getAttribute(attribute_name);
     if (value.isNull() || !LowerCaseEqualsASCII(value, "refresh"))
       continue;
     return true;
   }
   return false;
 }