Allow Chrome apps to create Ash Panels (apps v2)

chrome/browser/ui/views/extensions/shell_window_frame_view.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/ui/views/extensions/native_app_window_views.h"
+#include "chrome/browser/ui/views/extensions/shell_window_frame_view.h"
 
 #include "base/utf_string_conversions.h"
-#include "chrome/browser/extensions/extension_host.h"
-#include "chrome/browser/favicon/favicon_tab_helper.h"
-#include "chrome/browser/ui/views/extensions/extension_keybinding_registry_views.h"
+#include "chrome/browser/ui/views/extensions/native_app_window_views.h"
 #include "chrome/common/extensions/draggable_region.h"
-#include "chrome/common/extensions/extension.h"
-#include "content/public/browser/render_view_host.h"
-#include "content/public/browser/render_widget_host_view.h"
-#include "content/public/browser/web_contents.h"
-#include "content/public/browser/web_contents_view.h"
 #include "grit/theme_resources.h"
 #include "grit/ui_strings.h"  // Accessibility names
 #include "third_party/skia/include/core/SkPaint.h"
 #include "ui/base/hit_test.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/image/image.h"
 #include "ui/gfx/path.h"
-#include "ui/views/controls/button/button.h"
 #include "ui/views/controls/button/image_button.h"
-#include "ui/views/controls/webview/webview.h"
 #include "ui/views/layout/grid_layout.h"
 #include "ui/views/views_delegate.h"
 #include "ui/views/widget/widget.h"
-#include "ui/views/window/non_client_view.h"
 
 #if defined(OS_WIN) && !defined(USE_AURA)
 #include "chrome/browser/shell_integration.h"
 #include "chrome/browser/web_applications/web_app.h"
 #include "ui/base/win/shell.h"
 #endif
 
 #if defined(USE_ASH)
 #include "ash/ash_constants.h"
-#include "ash/wm/custom_frame_view_ash.h"
 #include "chrome/browser/ui/ash/ash_util.h"
 #include "ui/aura/env.h"
 #include "ui/aura/window.h"
 #endif
 
 namespace {
 const int kResizeInsideBoundsSize = 5;
 const int kResizeAreaCornerSize = 16;
 
 // Height of the chrome-style caption, in pixels.
 const int kCaptionHeight = 25;
 }  // namespace
 
-class ShellWindowFrameView : public views::NonClientFrameView,
-                             public views::ButtonListener {
- public:
-  static const char kViewClassName[];
-
-  explicit ShellWindowFrameView(NativeAppWindowViews* window);
-  virtual ~ShellWindowFrameView();
-
-  void Init(views::Widget* frame);
-
-  // views::NonClientFrameView implementation.
-  virtual gfx::Rect GetBoundsForClientView() const OVERRIDE;
-  virtual gfx::Rect GetWindowBoundsForClientBounds(
-      const gfx::Rect& client_bounds) const OVERRIDE;
-  virtual int NonClientHitTest(const gfx::Point& point) OVERRIDE;
-  virtual void GetWindowMask(const gfx::Size& size,
-                             gfx::Path* window_mask) OVERRIDE;
-  virtual void ResetWindowControls() OVERRIDE {}
-  virtual void UpdateWindowIcon() OVERRIDE {}
-  virtual void UpdateWindowTitle() OVERRIDE {}
-
-  // views::View implementation.
-  virtual gfx::Size GetPreferredSize() OVERRIDE;
-  virtual void Layout() OVERRIDE;
-  virtual std::string GetClassName() const OVERRIDE;
-  virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
-  virtual gfx::Size GetMinimumSize() OVERRIDE;
-  virtual gfx::Size GetMaximumSize() OVERRIDE;
-
- private:
-  // views::ButtonListener implementation.
-  virtual void ButtonPressed(views::Button* sender, const ui::Event& event)
-      OVERRIDE;
-
-  NativeAppWindowViews* window_;
-  views::Widget* frame_;
-  views::ImageButton* close_button_;
-  views::ImageButton* maximize_button_;
-  views::ImageButton* restore_button_;
-  views::ImageButton* minimize_button_;
-
-  DISALLOW_COPY_AND_ASSIGN(ShellWindowFrameView);
-};
 
 const char ShellWindowFrameView::kViewClassName[] =
     "browser/ui/views/extensions/ShellWindowFrameView";
 
 ShellWindowFrameView::ShellWindowFrameView(NativeAppWindowViews* window)
     : window_(window),
       frame_(NULL),
       close_button_(NULL) {
 }
 
@@ skipping 62 matching lines @@
   // Ensure we get resize cursors just inside our bounds as well.
   // TODO(jeremya): do we need to update these when in fullscreen/maximized?
   window->set_hit_test_bounds_override_inner(
       gfx::Insets(ash::kResizeInsideBoundsSize, ash::kResizeInsideBoundsSize,
                     ash::kResizeInsideBoundsSize,
                     ash::kResizeInsideBoundsSize));
   }
 #endif
 }
 
+// views::NonClientFrameView implementation.
+
 gfx::Rect ShellWindowFrameView::GetBoundsForClientView() const {
   if (window_->frameless() || frame_->IsFullscreen())
     return bounds();
   return gfx::Rect(0, kCaptionHeight, width(),
       std::max(0, height() - kCaptionHeight));
 }
 
 gfx::Rect ShellWindowFrameView::GetWindowBoundsForClientBounds(
       const gfx::Rect& client_bounds) const {
   if (window_->frameless()) {
@@ skipping 76 matching lines @@
 
   // Caption is a safe default.
   return HTCAPTION;
 }
 
 void ShellWindowFrameView::GetWindowMask(const gfx::Size& size,
                                          gfx::Path* window_mask) {
   // We got nothing to say about no window mask.
 }
 
+// views::View implementation.
+
 gfx::Size ShellWindowFrameView::GetPreferredSize() {
   gfx::Size pref = frame_->client_view()->GetPreferredSize();
   gfx::Rect bounds(0, 0, pref.width(), pref.height());
   return frame_->non_client_view()->GetWindowBoundsForClientBounds(
       bounds).size();
 }
 
 void ShellWindowFrameView::Layout() {
   if (window_->frameless())
     return;
@@ skipping 88 matching lines @@
   if (window_->frameless())
     return max_size;
 
   if (!max_size.IsEmpty()) {
     gfx::Rect client_bounds = GetBoundsForClientView();
     max_size.Enlarge(0, client_bounds.y());
   }
   return max_size;
 }
 
+// views::ButtonListener implementation.
+
 void ShellWindowFrameView::ButtonPressed(views::Button* sender,
                                          const ui::Event& event) {
   DCHECK(!window_->frameless());
   if (sender == close_button_)
     frame_->Close();
   else if (sender == maximize_button_)
     frame_->Maximize();
   else if (sender == restore_button_)
     frame_->Restore();
   else if (sender == minimize_button_)
     frame_->Minimize();
 }
-
-NativeAppWindowViews::NativeAppWindowViews(
-    ShellWindow* shell_window,
-    const ShellWindow::CreateParams& win_params)
-    : shell_window_(shell_window),
-      web_view_(NULL),
-      is_fullscreen_(false),
-      frameless_(win_params.frame == ShellWindow::CreateParams::FRAME_NONE) {
-  window_ = new views::Widget;
-  views::Widget::InitParams params(views::Widget::InitParams::TYPE_WINDOW);
-  params.delegate = this;
-  params.remove_standard_frame = true;
-  params.use_system_default_icon = true;
-  minimum_size_ = win_params.minimum_size;
-  maximum_size_ = win_params.maximum_size;
-  window_->Init(params);
-  gfx::Rect window_bounds =
-      window_->non_client_view()->GetWindowBoundsForClientBounds(
-          win_params.bounds);
-  // Center window if no position was specified.
-  if (win_params.bounds.x() == INT_MIN || win_params.bounds.y() == INT_MIN) {
-    window_->CenterWindow(window_bounds.size());
-  } else {
-    window_->SetBounds(window_bounds);
-  }
-#if defined(OS_WIN) && !defined(USE_AURA)
-  std::string app_name = web_app::GenerateApplicationNameFromExtensionId(
-      extension()->id());
-  ui::win::SetAppIdForWindow(
-      ShellIntegration::GetAppModelIdForProfile(
-          UTF8ToWide(app_name), shell_window_->profile()->GetPath()),
-      GetWidget()->GetTopLevelWidget()->GetNativeWindow());
-#endif
-
-  extension_keybinding_registry_.reset(
-      new ExtensionKeybindingRegistryViews(shell_window_->profile(),
-          window_->GetFocusManager(),
-          extensions::ExtensionKeybindingRegistry::PLATFORM_APPS_ONLY,
-          shell_window_));
-
-  OnViewWasResized();
-  window_->AddObserver(this);
-}
-
-views::View* NativeAppWindowViews::GetInitiallyFocusedView() {
-  return web_view_;
-}
-
-bool NativeAppWindowViews::ShouldDescendIntoChildForEventHandling(
-    gfx::NativeView child,
-    const gfx::Point& location) {
-#if defined(USE_AURA)
-  DCHECK_EQ(child, web_view_->web_contents()->GetView()->GetNativeView());
-  // Shell window should claim mouse events that fall within the draggable
-  // region.
-  return !draggable_region_.get() ||
-         !draggable_region_->contains(location.x(), location.y());
-#else
-  return true;
-#endif
-}
-
-void NativeAppWindowViews::OnFocus() {
-  web_view_->RequestFocus();
-}
-
-void NativeAppWindowViews::ViewHierarchyChanged(
-    bool is_add, views::View *parent, views::View *child) {
-  if (is_add && child == this) {
-    web_view_ = new views::WebView(NULL);
-    AddChildView(web_view_);
-    web_view_->SetWebContents(web_contents());
-  }
-}
-
-gfx::Size NativeAppWindowViews::GetMinimumSize() {
-  return minimum_size_;
-}
-
-gfx::Size NativeAppWindowViews::GetMaximumSize() {
-  return maximum_size_;
-}
-
-void NativeAppWindowViews::SetFullscreen(bool fullscreen) {
-  is_fullscreen_ = fullscreen;
-  window_->SetFullscreen(fullscreen);
-  // TODO(jeremya) we need to call RenderViewHost::ExitFullscreen() if we
-  // ever drop the window out of fullscreen in response to something that
-  // wasn't the app calling webkitCancelFullScreen().
-}
-
-bool NativeAppWindowViews::IsFullscreenOrPending() const {
-  return is_fullscreen_;
-}
-
-NativeAppWindowViews::~NativeAppWindowViews() {
-  web_view_->SetWebContents(NULL);
-}
-
-bool NativeAppWindowViews::IsActive() const {
-  return window_->IsActive();
-}
-
-bool NativeAppWindowViews::IsMaximized() const {
-  return window_->IsMaximized();
-}
-
-bool NativeAppWindowViews::IsMinimized() const {
-  return window_->IsMinimized();
-}
-
-bool NativeAppWindowViews::IsFullscreen() const {
-  return window_->IsFullscreen();
-}
-
-gfx::NativeWindow NativeAppWindowViews::GetNativeWindow() {
-  return window_->GetNativeWindow();
-}
-
-gfx::Rect NativeAppWindowViews::GetRestoredBounds() const {
-  return window_->GetRestoredBounds();
-}
-
-gfx::Rect NativeAppWindowViews::GetBounds() const {
-  return window_->GetWindowBoundsInScreen();
-}
-
-void NativeAppWindowViews::Show() {
-  if (window_->IsVisible()) {
-    window_->Activate();
-    return;
-  }
-
-  window_->Show();
-}
-
-void NativeAppWindowViews::ShowInactive() {
-  if (window_->IsVisible())
-    return;
-  window_->ShowInactive();
-}
-
-void NativeAppWindowViews::Hide() {
-  window_->Hide();
-}
-
-void NativeAppWindowViews::Close() {
-  window_->Close();
-}
-
-void NativeAppWindowViews::Activate() {
-  window_->Activate();
-}
-
-void NativeAppWindowViews::Deactivate() {
-  window_->Deactivate();
-}
-
-void NativeAppWindowViews::Maximize() {
-  window_->Maximize();
-}
-
-void NativeAppWindowViews::Minimize() {
-  window_->Minimize();
-}
-
-void NativeAppWindowViews::Restore() {
-  window_->Restore();
-}
-
-void NativeAppWindowViews::SetBounds(const gfx::Rect& bounds) {
-  GetWidget()->SetBounds(bounds);
-}
-
-void NativeAppWindowViews::FlashFrame(bool flash) {
-  window_->FlashFrame(flash);
-}
-
-bool NativeAppWindowViews::IsAlwaysOnTop() const {
-  return false;
-}
-
-void NativeAppWindowViews::DeleteDelegate() {
-  window_->RemoveObserver(this);
-  shell_window_->OnNativeClose();
-}
-
-bool NativeAppWindowViews::CanResize() const {
-  return maximum_size_.IsEmpty() || minimum_size_ != maximum_size_;
-}
-
-bool NativeAppWindowViews::CanMaximize() const {
-  return maximum_size_.IsEmpty();
-}
-
-views::View* NativeAppWindowViews::GetContentsView() {
-  return this;
-}
-
-views::NonClientFrameView* NativeAppWindowViews::CreateNonClientFrameView(
-    views::Widget* widget) {
-#if defined(USE_ASH)
-  if (chrome::IsNativeViewInAsh(widget->GetNativeView()) && !frameless_) {
-    ash::CustomFrameViewAsh* frame = new ash::CustomFrameViewAsh();
-    frame->Init(widget);
-    return frame;
-  }
-#endif
-  ShellWindowFrameView* frame_view = new ShellWindowFrameView(this);
-  frame_view->Init(window_);
-  return frame_view;
-}
-
-string16 NativeAppWindowViews::GetWindowTitle() const {
-  return shell_window_->GetTitle();
-}
-
-views::Widget* NativeAppWindowViews::GetWidget() {
-  return window_;
-}
-
-const views::Widget* NativeAppWindowViews::GetWidget() const {
-  return window_;
-}
-
-void NativeAppWindowViews::OnViewWasResized() {
-  // TODO(jeremya): this doesn't seem like a terribly elegant way to keep the
-  // window shape in sync.
-#if defined(OS_WIN) && !defined(USE_AURA)
-  // Set the window shape of the RWHV.
-  DCHECK(window_);
-  DCHECK(web_view_);
-  gfx::Size sz = web_view_->size();
-  int height = sz.height(), width = sz.width();
-  int radius = 1;
-  gfx::Path path;
-  if (window_->IsMaximized() || window_->IsFullscreen()) {
-    // Don't round the corners when the window is maximized or fullscreen.
-    path.addRect(0, 0, width, height);
-  } else {
-    if (frameless_) {
-      path.moveTo(0, radius);
-      path.lineTo(radius, 0);
-      path.lineTo(width - radius, 0);
-      path.lineTo(width, radius);
-    } else {
-      // Don't round the top corners in chrome-style frame mode.
-      path.moveTo(0, 0);
-      path.lineTo(width, 0);
-    }
-    path.lineTo(width, height - radius - 1);
-    path.lineTo(width - radius - 1, height);
-    path.lineTo(radius + 1, height);
-    path.lineTo(0, height - radius - 1);
-    path.close();
-  }
-  SetWindowRgn(web_contents()->GetNativeView(), path.CreateNativeRegion(), 1);
-
-  SkRegion* rgn = new SkRegion;
-  if (!window_->IsFullscreen()) {
-    if (draggable_region())
-      rgn->op(*draggable_region(), SkRegion::kUnion_Op);
-    if (!window_->IsMaximized()) {
-      if (frameless_)
-        rgn->op(0, 0, width, kResizeInsideBoundsSize, SkRegion::kUnion_Op);
-      rgn->op(0, 0, kResizeInsideBoundsSize, height, SkRegion::kUnion_Op);
-      rgn->op(width - kResizeInsideBoundsSize, 0, width, height,
-          SkRegion::kUnion_Op);
-      rgn->op(0, height - kResizeInsideBoundsSize, width, height,
-          SkRegion::kUnion_Op);
-    }
-  }
-  if (web_contents()->GetRenderViewHost()->GetView())
-    web_contents()->GetRenderViewHost()->GetView()->SetClickthroughRegion(rgn);
-#endif
-}
-
-gfx::ImageSkia NativeAppWindowViews::GetWindowAppIcon() {
-  gfx::Image app_icon = shell_window_->app_icon();
-  if (app_icon.IsEmpty())
-    return GetWindowIcon();
-  else
-    return *app_icon.ToImageSkia();
-}
-
-gfx::ImageSkia NativeAppWindowViews::GetWindowIcon() {
-  content::WebContents* web_contents = shell_window_->web_contents();
-  if (web_contents) {
-    FaviconTabHelper* favicon_tab_helper =
-        FaviconTabHelper::FromWebContents(web_contents);
-    gfx::Image app_icon = favicon_tab_helper->GetFavicon();
-    if (!app_icon.IsEmpty())
-      return *app_icon.ToImageSkia();
-  }
-  return gfx::ImageSkia();
-}
-
-bool NativeAppWindowViews::ShouldShowWindowTitle() const {
-  return false;
-}
-
-void NativeAppWindowViews::OnWidgetMove() {
-  shell_window_->OnNativeWindowChanged();
-}
-
-void NativeAppWindowViews::OnWidgetVisibilityChanged(views::Widget* widget,
-                                                     bool visible) {
-  shell_window_->OnNativeWindowChanged();
-}
-
-void NativeAppWindowViews::OnWidgetActivationChanged(views::Widget* widget,
-                                                     bool active) {
-  shell_window_->OnNativeWindowChanged();
-}
-
-void NativeAppWindowViews::Layout() {
-  DCHECK(web_view_);
-  web_view_->SetBounds(0, 0, width(), height());
-  OnViewWasResized();
-}
-
-void NativeAppWindowViews::UpdateWindowIcon() {
-  window_->UpdateWindowIcon();
-}
-
-void NativeAppWindowViews::UpdateWindowTitle() {
-  window_->UpdateWindowTitle();
-}
-
-void NativeAppWindowViews::UpdateDraggableRegions(
-    const std::vector<extensions::DraggableRegion>& regions) {
-  // Draggable region is not supported for non-frameless window.
-  if (!frameless_)
-    return;
-
-  draggable_region_.reset(ShellWindow::RawDraggableRegionsToSkRegion(regions));
-  OnViewWasResized();
-}
-
-void NativeAppWindowViews::HandleKeyboardEvent(
-    const content::NativeWebKeyboardEvent& event) {
-  unhandled_keyboard_event_handler_.HandleKeyboardEvent(event,
-                                                        GetFocusManager());
-}
-
-void NativeAppWindowViews::RenderViewHostChanged() {
-  OnViewWasResized();
-}
-
-void NativeAppWindowViews::SaveWindowPlacement(const gfx::Rect& bounds,
-                                               ui::WindowShowState show_state) {
-  views::WidgetDelegate::SaveWindowPlacement(bounds, show_state);
-  shell_window_->OnNativeWindowChanged();
-}
-
-// static
-NativeAppWindow* NativeAppWindow::Create(
-    ShellWindow* shell_window, const ShellWindow::CreateParams& params) {
-  return new NativeAppWindowViews(shell_window, params);
-}