Move TabContentsViewGtk's delegate to content\public\browser. Also name it a delegate instead of a …

chrome/browser/tab_contents/chrome_tab_contents_view_wrapper_gtk.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/browser/tab_contents/chrome_tab_contents_view_wrapper_gtk.h"
-
-#include "chrome/browser/browser_shutdown.h"
-#include "chrome/browser/tab_contents/render_view_context_menu_gtk.h"
-#include "chrome/browser/tab_contents/web_drag_bookmark_handler_gtk.h"
-#include "chrome/browser/ui/gtk/constrained_window_gtk.h"
-#include "content/browser/renderer_host/render_view_host.h"
-#include "content/browser/tab_contents/tab_contents_view_gtk.h"
-#include "content/public/browser/render_process_host.h"
-#include "content/public/browser/render_widget_host_view.h"
-#include "content/public/browser/web_contents.h"
-#include "ui/base/gtk/gtk_floating_container.h"
-
-ChromeTabContentsViewWrapperGtk::ChromeTabContentsViewWrapperGtk()
-    : floating_(gtk_floating_container_new()),
-      view_(NULL),
-      constrained_window_(NULL) {
-  gtk_widget_set_name(floating_.get(), "chrome-tab-contents-wrapper-view");
-  g_signal_connect(floating_.get(), "set-floating-position",
-                   G_CALLBACK(OnSetFloatingPositionThunk), this);
-}
-
-ChromeTabContentsViewWrapperGtk::~ChromeTabContentsViewWrapperGtk() {
-  floating_.Destroy();
-}
-
-void ChromeTabContentsViewWrapperGtk::AttachConstrainedWindow(
-    ConstrainedWindowGtk* constrained_window) {
-  DCHECK(constrained_window_ == NULL);
-
-  constrained_window_ = constrained_window;
-  gtk_floating_container_add_floating(GTK_FLOATING_CONTAINER(floating_.get()),
-                                      constrained_window->widget());
-}
-
-void ChromeTabContentsViewWrapperGtk::RemoveConstrainedWindow(
-    ConstrainedWindowGtk* constrained_window) {
-  DCHECK(constrained_window == constrained_window_);
-
-  constrained_window_ = NULL;
-  gtk_container_remove(GTK_CONTAINER(floating_.get()),
-                       constrained_window->widget());
-}
-
-void ChromeTabContentsViewWrapperGtk::WrapView(
-    content::TabContentsViewGtk* view) {
-  view_ = view;
-
-  gtk_container_add(GTK_CONTAINER(floating_.get()),
-                    view_->expanded_container());
-  gtk_widget_show(floating_.get());
-}
-
-gfx::NativeView ChromeTabContentsViewWrapperGtk::GetNativeView() const {
-  return floating_.get();
-}
-
-void ChromeTabContentsViewWrapperGtk::OnCreateViewForWidget() {
-  // We install a chrome specific handler to intercept bookmark drags for the
-  // bookmark manager/extension API.
-  bookmark_handler_gtk_.reset(new WebDragBookmarkHandlerGtk);
-  view_->SetDragDestDelegate(bookmark_handler_gtk_.get());
-}
-
-void ChromeTabContentsViewWrapperGtk::Focus() {
-  if (!constrained_window_) {
-    GtkWidget* widget = view_->GetContentNativeView();
-    if (widget)
-      gtk_widget_grab_focus(widget);
-  }
-}
-
-gboolean ChromeTabContentsViewWrapperGtk::OnNativeViewFocusEvent(
-    GtkWidget* widget,
-    GtkDirectionType type,
-    gboolean* return_value) {
-  // If we are showing a constrained window, don't allow the native view to take
-  // focus.
-  if (constrained_window_) {
-    // If we return false, it will revert to the default handler, which will
-    // take focus. We don't want that. But if we return true, the event will
-    // stop being propagated, leaving focus wherever it is currently. That is
-    // also bad. So we return false to let the default handler run, but take
-    // focus first so as to trick it into thinking the view was already focused
-    // and allowing the event to propagate.
-    gtk_widget_grab_focus(widget);
-    *return_value = FALSE;
-    return TRUE;
-  }
-
-  // Let the default TabContentsViewGtk::OnFocus() behaviour run.
-  return FALSE;
-}
-
-void ChromeTabContentsViewWrapperGtk::ShowContextMenu(
-    const content::ContextMenuParams& params) {
-  // Find out the RenderWidgetHostView that corresponds to the render widget on
-  // which this context menu is showed, so that we can retrieve the last mouse
-  // down event on the render widget and use it as the timestamp of the
-  // activation event to show the context menu.
-  content::RenderWidgetHostView* view = NULL;
-  if (params.custom_context.render_widget_id !=
-      content::CustomContextMenuContext::kCurrentRenderWidget) {
-    IPC::Channel::Listener* listener =
-        view_->web_contents()->GetRenderProcessHost()->GetListenerByID(
-            params.custom_context.render_widget_id);
-    if (!listener) {
-      NOTREACHED();
-      return;
-    }
-    view = RenderWidgetHost::FromIPCChannelListener(listener)->view();
-  } else {
-    view = view_->web_contents()->GetRenderWidgetHostView();
-  }
-
-  context_menu_.reset(
-      new RenderViewContextMenuGtk(view_->web_contents(), params, view));
-  context_menu_->Init();
-
-  gfx::Rect bounds;
-  view_->GetContainerBounds(&bounds);
-  gfx::Point point = bounds.origin();
-  point.Offset(params.x, params.y);
-  context_menu_->Popup(point);
-}
-
-void ChromeTabContentsViewWrapperGtk::OnSetFloatingPosition(
-    GtkWidget* floating_container, GtkAllocation* allocation) {
-  if (!constrained_window_)
-    return;
-
-  // Place each ConstrainedWindow in the center of the view.
-  GtkWidget* widget = constrained_window_->widget();
-  DCHECK(gtk_widget_get_parent(widget) == floating_.get());
-
-  GtkRequisition requisition;
-  gtk_widget_size_request(widget, &requisition);
-
-  GValue value = { 0, };
-  g_value_init(&value, G_TYPE_INT);
-
-  int child_x = std::max((allocation->width - requisition.width) / 2, 0);
-  g_value_set_int(&value, child_x);
-  gtk_container_child_set_property(GTK_CONTAINER(floating_container),
-                                   widget, "x", &value);
-
-  int child_y = std::max((allocation->height - requisition.height) / 2, 0);
-  g_value_set_int(&value, child_y);
-  gtk_container_child_set_property(GTK_CONTAINER(floating_container),
-                                   widget, "y", &value);
-  g_value_unset(&value);
-}