Implementation of device metrics emulation in render view.

content/renderer/render_view_impl.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 "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/auto_reset.h"
@@ skipping 2343 matching lines @@
   // Copy over the alternate error page URL so we can have alt error pages in
   // the new render view (we don't need the browser to send the URL back down).
   view->alternate_error_page_url_ = alternate_error_page_url_;
 
   return view->webview();
 }
 
 WebWidget* RenderViewImpl::createPopupMenu(WebKit::WebPopupType popup_type) {
   RenderWidget* widget =
       RenderWidget::Create(routing_id_, popup_type, screen_info_);
+  if (device_emulation_helper_)
+    device_emulation_helper_->PopupCreated(this, widget);
   return widget->webwidget();
 }
 
 WebExternalPopupMenu* RenderViewImpl::createExternalPopupMenu(
     const WebPopupMenuInfo& popup_menu_info,
     WebExternalPopupMenuClient* popup_menu_client) {
   // An IPC message is sent to the browser to build and display the actual
   // popup.  The user could have time to click a different select by the time
   // the popup is shown.  In that case external_popup_menu_ is non NULL.
   // By returning NULL in that case, we instruct WebKit to cancel that new
@@ skipping 74 matching lines @@
       routing_id_,
       id,
       base::FilePath::FromUTF16Unsafe(path)));
 }
 
 void RenderViewImpl::initializeHelperPluginWebFrame(
     WebKit::WebHelperPlugin* plugin) {
   plugin->initializeFrame(main_render_frame_.get());
 }
 
+void RenderViewImpl::emulateDevice(
+    bool enabled,
+    const WebKit::WebSize& device_size,
+    const WebKit::WebRect& view_rect,
+    float device_scale_factor,
+    bool fit_to_view) {
+  if (enabled && webview())
+    webview()->settings()->setForceCompositingMode(true);
+  EmulateDevice(enabled, gfx::Size(device_size), gfx::Rect(view_rect),
+      device_scale_factor, fit_to_view);
+}
+
+void RenderViewImpl::SetDeviceEmulationScale(float scale) {
+  if (webview() && webview()->devToolsAgent())
+    webview()->devToolsAgent()->setDeviceEmulationScale(scale);
+}
+
 void RenderViewImpl::didStartLoading() {
   if (is_loading_) {
     DVLOG(1) << "didStartLoading called while loading";
     return;
   }
 
   is_loading_ = true;
 
   Send(new ViewHostMsg_DidStartLoading(routing_id_));
 
@@ skipping 180 matching lines @@
 }
 
 void RenderViewImpl::showContextMenu(
     WebFrame* frame, const WebContextMenuData& data) {
   ContextMenuParams params = ContextMenuParamsBuilder::Build(data);
   params.source_type = context_menu_source_type_;
   if (context_menu_source_type_ == ui::MENU_SOURCE_TOUCH_EDIT_MENU) {
     params.x = touch_editing_context_menu_location_.x();
     params.y = touch_editing_context_menu_location_.y();
   }
+  if (device_emulation_helper_)
+    device_emulation_helper_->OnShowContextMenu(this, &params);
 
   // Plugins, e.g. PDF, don't currently update the render view when their
   // selected text changes, but the context menu params do contain the updated
   // selection. If that's the case, update the render view's state just prior
   // to showing the context menu.
   // TODO(asvitkine): http://crbug.com/152432
   if (ShouldUpdateSelectionTextFromContextMenuParams(selection_text_,
                                                      selection_text_offset_,
                                                      selection_range_,
                                                      params)) {
@@ skipping 3852 matching lines @@
   for (size_t i = 0; i < icon_urls.size(); i++) {
     WebURL url = icon_urls[i].iconURL();
     if (!url.isEmpty())
       urls.push_back(FaviconURL(url,
                                 ToFaviconType(icon_urls[i].iconType())));
   }
   SendUpdateFaviconURL(urls);
 }
 
 }  // namespace content