Browser Side Text Input State Tracking for OOPIF.

content/browser/web_contents/web_contents_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/browser/web_contents/web_contents_impl.h"
 
 #include <stddef.h>
 
 #include <cmath>
 #include <utility>
@@ skipping 59 matching lines @@
 #include "content/browser/webui/generic_handler.h"
 #include "content/browser/webui/web_ui_controller_factory_registry.h"
 #include "content/browser/webui/web_ui_impl.h"
 #include "content/common/browser_plugin/browser_plugin_constants.h"
 #include "content/common/browser_plugin/browser_plugin_messages.h"
 #include "content/common/frame_messages.h"
 #include "content/common/input_messages.h"
 #include "content/common/page_messages.h"
 #include "content/common/site_isolation_policy.h"
 #include "content/common/ssl_status_serialization.h"
+#include "content/common/text_input_state.h"
 #include "content/common/view_messages.h"
 #include "content/public/browser/ax_event_notification_details.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_plugin_guest_manager.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/devtools_agent_host.h"
 #include "content/public/browser/download_manager.h"
 #include "content/public/browser/download_url_parameters.h"
 #include "content/public/browser/invalidate_type.h"
 #include "content/public/browser/javascript_dialog_manager.h"
@@ skipping 264 matching lines @@
       is_subframe_(false),
       force_disable_overscroll_content_(false),
       last_dialog_suppressed_(false),
       geolocation_service_context_(new GeolocationServiceContext()),
       accessibility_mode_(
           BrowserAccessibilityStateImpl::GetInstance()->accessibility_mode()),
       audio_stream_monitor_(this),
       bluetooth_device_connected_(false),
       virtual_keyboard_requested_(false),
       page_scale_factor_is_one_(true),
+      text_input_state_(new TextInputState()),
       loading_weak_factory_(this),
       weak_factory_(this) {
   frame_tree_.SetFrameRemoveListener(
       base::Bind(&WebContentsImpl::OnFrameRemoved,
                  base::Unretained(this)));
 #if defined(OS_ANDROID)
   media_web_contents_observer_.reset(new MediaWebContentsObserverAndroid(this));
 #else
   media_web_contents_observer_.reset(new MediaWebContentsObserver(this));
 #endif
@@ skipping 1863 matching lines @@
       static_cast<RenderWidgetHostViewBase*>(GetRenderWidgetHostView());
   if (rwhv) {
     SendPageMessage(new PageMsg_UpdateWindowScreenRect(
         MSG_ROUTING_NONE, rwhv->GetBoundsInRootWindow()));
   }
 
   if (browser_plugin_embedder_)
     browser_plugin_embedder_->DidSendScreenRects();
 }
 
+const TextInputState* WebContentsImpl::GetTextInputState() {
+  if (GetOuterWebContents())
+    return GetOuterWebContents()->GetTextInputState();
+  // A RWHV should update WebContentsImpl in its destruction path so that state
+  // type is reset to none.
+  DCHECK(view_with_active_text_input_ ||
+         text_input_state_->type == ui::TEXT_INPUT_TYPE_NONE);
+  return text_input_state_.get();
+}
+
+void WebContentsImpl::UpdateTextInputState(RenderWidgetHostViewBase* rwhv,
+                                           bool text_input_state_changed) {
+  // If there is an outer WebContents, let it process this update.
+  if (GetOuterWebContents()) {
+    return GetOuterWebContents()->UpdateTextInputState(
+        rwhv, text_input_state_changed);
+  }
+
+  // If this RWHV has a text input type of NONE, then there is nothing to
+  // report to the tab RWHV.
+  if (view_with_active_text_input_.get() != rwhv &&
+      rwhv->text_input_state()->type == ui::TEXT_INPUT_TYPE_NONE)
+    return;
+
+  if (rwhv->text_input_state()->type != ui::TEXT_INPUT_TYPE_NONE)
+    view_with_active_text_input_ = rwhv->GetWeakPtr();
+  else
+    view_with_active_text_input_.reset();
+
+  *text_input_state_ = *rwhv->text_input_state();
+
+  // The top level RWHV should know about the change.
+  RenderWidgetHostViewBase* tab_rwhv =
+      static_cast<RenderWidgetHostViewBase*>(GetRenderWidgetHostView());
+  if (tab_rwhv)
+    tab_rwhv->UpdateInputMethodIfNecessary(text_input_state_changed);
+}
+
 BrowserAccessibilityManager*
     WebContentsImpl::GetRootBrowserAccessibilityManager() {
   RenderFrameHostImpl* rfh = GetMainFrame();
   return rfh ? rfh->browser_accessibility_manager() : nullptr;
 }
 
 BrowserAccessibilityManager*
     WebContentsImpl::GetOrCreateRootBrowserAccessibilityManager() {
   RenderFrameHostImpl* rfh = GetMainFrame();
   return rfh ? rfh->GetOrCreateBrowserAccessibilityManager() : nullptr;
@@ skipping 2581 matching lines @@
   else
     WasHidden();
 }
 
 void WebContentsImpl::SetJavaScriptDialogManagerForTesting(
     JavaScriptDialogManager* dialog_manager) {
   dialog_manager_ = dialog_manager;
 }
 
 }  // namespace content