Extracting placeholder information from Webkit to Blimp

content/browser/renderer_host/render_widget_host_view_base.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/browser/renderer_host/render_widget_host_view_base.h"
 
 #include "base/logging.h"
 #include "build/build_config.h"
 #include "content/browser/accessibility/browser_accessibility_manager.h"
 #include "content/browser/gpu/gpu_data_manager_impl.h"
 #include "content/browser/renderer_host/input/synthetic_gesture_target_base.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_delegate.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_view_base_observer.h"
 #include "content/browser/renderer_host/text_input_manager.h"
 #include "content/common/content_switches_internal.h"
+#include "content/common/view_messages.h"
 #include "content/public/browser/render_widget_host_view_frame_subscriber.h"
 #include "ui/display/display.h"
 #include "ui/display/screen.h"
 #include "ui/gfx/geometry/point_conversions.h"
 #include "ui/gfx/geometry/size_conversions.h"
 #include "ui/gfx/geometry/size_f.h"
 
 namespace content {
 
 namespace {
@@ skipping 10 matching lines @@
       mouse_locked_(false),
       showing_context_menu_(false),
 #if !defined(USE_AURA)
       selection_text_offset_(0),
       selection_range_(gfx::Range::InvalidRange()),
 #endif
       current_device_scale_factor_(0),
       current_display_rotation_(display::Display::ROTATE_0),
       text_input_manager_(nullptr),
       renderer_frame_number_(0),
+      next_request_id_(0),
       weak_factory_(this) {
 }
 
 RenderWidgetHostViewBase::~RenderWidgetHostViewBase() {
   DCHECK(!mouse_locked_);
   // We call this here to guarantee that observers are notified before we go
   // away. However, some subclasses may wish to call this earlier in their
   // shutdown process, e.g. to force removal from
   // RenderWidgetHostInputEventRouter's surface map before relinquishing a
   // host pointer, as in RenderWidgetHostViewGuest. There is no harm in calling
@@ skipping 92 matching lines @@
 
 gfx::Size RenderWidgetHostViewBase::GetRequestedRendererSize() const {
   return GetViewBounds().size();
 }
 
 ui::TextInputClient* RenderWidgetHostViewBase::GetTextInputClient() {
   NOTREACHED();
   return NULL;
 }
 
+void RenderWidgetHostViewBase::OnTextInputInfoReply(
+    int request_id,
+    const std::string& text,
+    const std::string& placeholder) {
+  DCHECK(text_input_callbacks_.find(request_id) != text_input_callbacks_.end());
+  text_input_callbacks_[request_id].Run(text, placeholder);
+  text_input_callbacks_.erase(request_id);
+}
+
+void RenderWidgetHostViewBase::FetchTextInputInfo(
+    base::Callback<void(const std::string&, const std::string&)>& reply) {
+  if (!GetRenderWidgetHost())

[David Trainor- moved to gerrit, 2016/10/26 01:36:42]

I would trigger the callback with an empty struct or something.  We should honor
the API.  Either that or return false to indicate this won't run?

[shaktisahu, 2016/10/31 23:13:58]

Done.

+    return;
+
+  int request_id = ++next_request_id_;
+  text_input_callbacks_[request_id] = reply;
+  GetRenderWidgetHost()->Send(new ViewMsg_GetFormTextInputInfo(
+      GetRenderWidgetHost()->GetRoutingID(), request_id));
+}
+
 bool RenderWidgetHostViewBase::IsShowingContextMenu() const {
   return showing_context_menu_;
 }
 
 void RenderWidgetHostViewBase::SetShowingContextMenu(bool showing) {
   DCHECK_NE(showing_context_menu_, showing);
   showing_context_menu_ = showing;
 }
 
 base::string16 RenderWidgetHostViewBase::GetSelectedText() {
@@ skipping 352 matching lines @@
 
 bool RenderWidgetHostViewBase::IsChildFrameForTesting() const {
   return false;
 }
 
 cc::SurfaceId RenderWidgetHostViewBase::SurfaceIdForTesting() const {
   return cc::SurfaceId();
 }
 
 }  // namespace content