Move HomeCard to avoid virtual keyboard when it's shown.

athena/home/home_card_impl.cc

 // Copyright 2014 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 "athena/home/public/home_card.h"
 
 #include "athena/home/app_list_view_delegate.h"
 #include "athena/home/public/app_model_builder.h"
 #include "athena/input/public/accelerator_manager.h"
 #include "athena/screen/public/screen_manager.h"
 #include "ui/app_list/search_provider.h"
 #include "ui/app_list/views/app_list_view.h"
 #include "ui/aura/layout_manager.h"
 #include "ui/aura/window.h"
 #include "ui/wm/core/visibility_controller.h"
 #include "ui/wm/core/window_animations.h"
 
 namespace athena {
 namespace {
 
 HomeCard* instance = NULL;
 
 class HomeCardLayoutManager : public aura::LayoutManager {
  public:
   explicit HomeCardLayoutManager(aura::Window* container)
       : container_(container) {}
   virtual ~HomeCardLayoutManager() {}
 
+  void UpdateVirtualKeyboardBounds(const gfx::Rect& bounds) {
+    virtual_keyboard_bounds_ = bounds;
+    Layout();
+  }
+
  private:
   // aura::LayoutManager:
   virtual void OnWindowResized() OVERRIDE { Layout(); }
   virtual void OnWindowAddedToLayout(aura::Window* child) OVERRIDE { Layout(); }
   virtual void OnWillRemoveWindowFromLayout(aura::Window* child) OVERRIDE {}
   virtual void OnWindowRemovedFromLayout(aura::Window* child) OVERRIDE {
     Layout();
   }
   virtual void OnChildWindowVisibilityChanged(aura::Window* child,
                                               bool visible) OVERRIDE {
     Layout();
   }
   virtual void SetChildBounds(aura::Window* child,
                               const gfx::Rect& requested_bounds) OVERRIDE {
     SetChildBoundsDirect(child, gfx::Rect(requested_bounds.size()));
   }
 
   void Layout() {
     const int kHomeCardHeight = 150;
     const int kHomeCardHorizontalMargin = 50;
     // Currently the home card is provided as a bubble and the bounds has to be
     // increased to cancel the shadow.
     // TODO(mukai): stops using the bubble and remove this.
     const int kHomeCardShadowWidth = 30;
     if (container_->children().size() < 1)
       return;
     aura::Window* home_card = container_->children()[0];
     if (!home_card->IsVisible())
       return;
+
     gfx::Rect screen_bounds = home_card->GetRootWindow()->bounds();
+    if (!virtual_keyboard_bounds_.IsEmpty())
+      screen_bounds.set_height(virtual_keyboard_bounds_.y());
     gfx::Rect card_bounds = screen_bounds;
     card_bounds.Inset(kHomeCardHorizontalMargin,
                       screen_bounds.height() - kHomeCardHeight,
                       kHomeCardHorizontalMargin,
                       0);
     card_bounds.Inset(-kHomeCardShadowWidth, -kHomeCardShadowWidth);
     SetChildBoundsDirect(home_card, card_bounds);
   }
 
   aura::Window* container_;
+  gfx::Rect virtual_keyboard_bounds_;
 
   DISALLOW_COPY_AND_ASSIGN(HomeCardLayoutManager);
 };
 
 class HomeCardImpl : public HomeCard, public AcceleratorHandler {
  public:
   explicit HomeCardImpl(AppModelBuilder* model_builder);
   virtual ~HomeCardImpl();
 
   void Init();
 
  private:
   enum Command {
     COMMAND_SHOW_HOME_CARD,
   };
   void InstallAccelerators();
 
   // Overridden from HomeCard:
   virtual void RegisterSearchProvider(
       app_list::SearchProvider* search_provider) OVERRIDE;
+  virtual void UpdateVirtualKeyboardBounds(
+      const gfx::Rect& bounds) OVERRIDE;
 
   // AcceleratorHandler:
   virtual bool IsCommandEnabled(int command_id) const OVERRIDE { return true; }
   virtual bool OnAcceleratorFired(int command_id,
                                   const ui::Accelerator& accelerator) OVERRIDE {
     DCHECK_EQ(COMMAND_SHOW_HOME_CARD, command_id);
     if (home_card_widget_->IsVisible())
       home_card_widget_->Hide();
     else
       home_card_widget_->Show();
     return true;
   }
 
   scoped_ptr<AppModelBuilder> model_builder_;
 
   views::Widget* home_card_widget_;
   AppListViewDelegate* view_delegate_;
+  HomeCardLayoutManager* layout_manager_;
 
   // Right now HomeCard allows only one search provider.
   // TODO(mukai): port app-list's SearchController and Mixer.
   scoped_ptr<app_list::SearchProvider> search_provider_;
 
   DISALLOW_COPY_AND_ASSIGN(HomeCardImpl);
 };
 
 HomeCardImpl::HomeCardImpl(AppModelBuilder* model_builder)
     : model_builder_(model_builder),
-      home_card_widget_(NULL) {
+      home_card_widget_(NULL),
+      layout_manager_(NULL) {
   DCHECK(!instance);
   instance = this;
 }
 
 HomeCardImpl::~HomeCardImpl() {
   DCHECK(instance);
   home_card_widget_->CloseNow();
   view_delegate_ = NULL;
   instance = NULL;
 }
 
 void HomeCardImpl::RegisterSearchProvider(
     app_list::SearchProvider* search_provider) {
   DCHECK(!search_provider_);
   search_provider_.reset(search_provider);
   view_delegate_->RegisterSearchProvider(search_provider_.get());
 }
 
+void HomeCardImpl::UpdateVirtualKeyboardBounds(
+    const gfx::Rect& bounds) {
+  layout_manager_->UpdateVirtualKeyboardBounds(bounds);
+}
+
 void HomeCardImpl::Init() {
   InstallAccelerators();
 
   aura::Window* container =
       ScreenManager::Get()->CreateContainer("HomeCardContainer");
-  container->SetLayoutManager(new HomeCardLayoutManager(container));
+  layout_manager_ = new HomeCardLayoutManager(container);
+  container->SetLayoutManager(layout_manager_);
   wm::SetChildWindowVisibilityChangesAnimated(container);
 
   view_delegate_ = new AppListViewDelegate(model_builder_.get());
   if (search_provider_)
     view_delegate_->RegisterSearchProvider(search_provider_.get());
   app_list::AppListView* view = new app_list::AppListView(view_delegate_);
   view->InitAsBubbleAtFixedLocation(
       container,
       0 /* initial_apps_page */,
       gfx::Point(),
@@ skipping 28 matching lines @@
   instance = NULL;
 }
 
 // static
 HomeCard* HomeCard::Get() {
   DCHECK(instance);
   return instance;
 }
 
 }  // namespace athena