| // Copyright 2013 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/screen_capture_notification_ui.h" |
| |
| #include "ash/shell.h" |
| #include "chrome/app/chrome_dll_resource.h" |
| #include "chrome/browser/ui/views/chrome_views_export.h" |
| #include "grit/generated_resources.h" |
| #include "grit/theme_resources.h" |
| #include "ui/aura/root_window.h" |
| #include "ui/base/hit_test.h" |
| #include "ui/base/l10n/l10n_util.h" |
| #include "ui/base/resource/resource_bundle.h" |
| #include "ui/views/bubble/bubble_border.h" |
| #include "ui/views/bubble/bubble_frame_view.h" |
| #include "ui/views/controls/button/blue_button.h" |
| #include "ui/views/controls/image_view.h" |
| #include "ui/views/corewm/shadow_types.h" |
| #include "ui/views/layout/box_layout.h" |
| #include "ui/views/view.h" |
| #include "ui/views/widget/widget.h" |
| #include "ui/views/widget/widget_delegate.h" |
| |
| namespace { |
| |
| const int kMinimumWidth = 460; |
| const int kMaximumWidth = 1000; |
| const int kHorizontalMargin = 10; |
| const int kPadding = 5; |
| const int kPaddingLeft = 10; |
| |
| namespace { |
| |
| // A ClientView that overrides NonClientHitTest() so that the whole window area |
| // acts as a window caption, except a rect specified using SetClientRect(). |
| // ScreenCaptureNotificationUIViews uses this class to make the notification bar |
| // draggable. |
| class NotificationBarClientView : public views::ClientView { |
| public: |
| NotificationBarClientView(views::Widget* widget, views::View* view) |
| : views::ClientView(widget, view) { |
| } |
| virtual ~NotificationBarClientView() {} |
| |
| void SetClientRect(const gfx::Rect& rect) { |
| rect_ = rect; |
| } |
| |
| // views::ClientView overrides. |
| virtual int NonClientHitTest(const gfx::Point& point) OVERRIDE { |
| if (!bounds().Contains(point)) |
| return HTNOWHERE; |
| // The whole window is HTCAPTION, except the |rect_|. |
| if (rect_.Contains(gfx::PointAtOffsetFromOrigin(point - bounds().origin()))) |
| return HTCLIENT; |
| |
| return HTCAPTION; |
| } |
| |
| private: |
| gfx::Rect rect_; |
| |
| DISALLOW_COPY_AND_ASSIGN(NotificationBarClientView); |
| }; |
| |
| } // namespace |
| |
| // ScreenCaptureNotificationUI implementation using Views. |
| class ScreenCaptureNotificationUIViews |
| : public ScreenCaptureNotificationUI, |
| public views::WidgetDelegateView, |
| public views::ButtonListener { |
| public: |
| explicit ScreenCaptureNotificationUIViews(const base::string16& text); |
| virtual ~ScreenCaptureNotificationUIViews(); |
| |
| // ScreenCaptureNotificationUI interface. |
| virtual void OnStarted(const base::Closure& stop_callback) OVERRIDE; |
| |
| // views::View overrides. |
| virtual gfx::Size GetPreferredSize() OVERRIDE; |
| virtual void Layout() OVERRIDE; |
| |
| // views::WidgetDelegateView overrides. |
| virtual void DeleteDelegate() OVERRIDE; |
| virtual views::View* GetContentsView() OVERRIDE; |
| virtual views::ClientView* CreateClientView(views::Widget* widget) OVERRIDE; |
| virtual views::NonClientFrameView* CreateNonClientFrameView( |
| views::Widget* widget) OVERRIDE; |
| virtual base::string16 GetWindowTitle() const OVERRIDE; |
| virtual bool ShouldShowWindowTitle() const OVERRIDE; |
| virtual bool ShouldShowCloseButton() const OVERRIDE; |
| |
| // views::ButtonListener interface. |
| virtual void ButtonPressed(views::Button* sender, |
| const ui::Event& event) OVERRIDE; |
| |
| private: |
| // Helper to call |stop_callback_|. |
| void NotifyStopped(); |
| |
| const base::string16 text_; |
| base::Closure stop_callback_; |
| NotificationBarClientView* client_view_; |
| views::ImageView* gripper_; |
| views::Label* label_; |
| views::BlueButton* stop_button_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ScreenCaptureNotificationUIViews); |
| }; |
| |
| ScreenCaptureNotificationUIViews::ScreenCaptureNotificationUIViews( |
| const base::string16& text) |
| : text_(text), |
| client_view_(NULL), |
| gripper_(NULL), |
| label_(NULL), |
| stop_button_(NULL) { |
| set_owned_by_client(); |
| |
| set_background(views::Background::CreateSolidBackground(GetNativeTheme()-> |
| GetSystemColor(ui::NativeTheme::kColorId_DialogBackground))); |
| |
| gripper_ = new views::ImageView(); |
| gripper_->SetImage( |
| ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed( |
| IDR_SCREEN_CAPTURE_NOTIFICATION_GRIP)); |
| AddChildView(gripper_); |
| |
| label_ = new views::Label(); |
| AddChildView(label_); |
| |
| base::string16 stop_text = |
| l10n_util::GetStringUTF16(IDS_MEDIA_SCREEN_CAPTURE_NOTIFICATION_STOP); |
| stop_button_ = new views::BlueButton(this, stop_text); |
| AddChildView(stop_button_); |
| } |
| |
| ScreenCaptureNotificationUIViews::~ScreenCaptureNotificationUIViews() { |
| stop_callback_.Reset(); |
| delete GetWidget(); |
| } |
| |
| void ScreenCaptureNotificationUIViews::OnStarted( |
| const base::Closure& stop_callback) { |
| stop_callback_ = stop_callback; |
| |
| label_->SetElideBehavior(views::Label::ELIDE_IN_MIDDLE); |
| label_->SetHorizontalAlignment(gfx::ALIGN_LEFT); |
| label_->SetText(text_); |
| |
| views::Widget* widget = new views::Widget; |
| |
| views::Widget::InitParams params; |
| params.delegate = this; |
| params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET; |
| params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW; |
| params.remove_standard_frame = true; |
| params.keep_on_top = true; |
| params.top_level = true; |
| params.can_activate = false; |
| |
| #if defined(USE_ASH) |
| // TODO(sergeyu): The notification bar must be shown on the monitor that's |
| // being captured. Make sure it's always the case. Currently we always capture |
| // the primary monitor. |
| if (ash::Shell::HasInstance()) |
| params.context = ash::Shell::GetPrimaryRootWindow(); |
| #endif |
| |
| widget->set_frame_type(views::Widget::FRAME_TYPE_FORCE_CUSTOM); |
| widget->Init(params); |
| widget->SetAlwaysOnTop(true); |
| |
| gfx::Screen* screen = gfx::Screen::GetNativeScreen(); |
| // TODO(sergeyu): Move the notification to the display being captured when |
| // per-display screen capture is supported. |
| gfx::Rect work_area = screen->GetPrimaryDisplay().work_area(); |
| |
| // Place the bar in the center of the bottom of the display. |
| gfx::Size size = widget->non_client_view()->GetPreferredSize(); |
| gfx::Rect bounds( |
| work_area.x() + work_area.width() / 2 - size.width() / 2, |
| work_area.y() + work_area.height() - size.height(), |
| size.width(), size.height()); |
| widget->SetBounds(bounds); |
| |
| widget->Show(); |
| } |
| |
| gfx::Size ScreenCaptureNotificationUIViews::GetPreferredSize() { |
| gfx::Size grip_size = gripper_->GetPreferredSize(); |
| gfx::Size label_size = child_at(1)->GetPreferredSize(); |
| gfx::Size button_size = child_at(2)->GetPreferredSize(); |
| int width = kHorizontalMargin * 2 + grip_size.width() + label_size.width() + |
| button_size.width(); |
| width = std::max(width, kMinimumWidth); |
| width = std::min(width, kMaximumWidth); |
| return gfx::Size(width, std::max(label_size.height(), button_size.height())); |
| } |
| |
| void ScreenCaptureNotificationUIViews::Layout() { |
| gfx::Rect grip_rect(gripper_->GetPreferredSize()); |
| grip_rect.set_y(bounds().height() / 2 - grip_rect.height() / 2); |
| gripper_->SetBoundsRect(grip_rect); |
| |
| gfx::Rect button_rect(stop_button_->GetPreferredSize()); |
| button_rect.set_x(bounds().width() - button_rect.width()); |
| stop_button_->SetBoundsRect(button_rect); |
| |
| gfx::Rect label_rect; |
| label_rect.set_x(grip_rect.right() + kHorizontalMargin); |
| label_rect.set_width(button_rect.x() - kHorizontalMargin - label_rect.x()); |
| label_rect.set_height(bounds().height()); |
| label_->SetBoundsRect(label_rect); |
| |
| client_view_->SetClientRect(button_rect); |
| } |
| |
| void ScreenCaptureNotificationUIViews::DeleteDelegate() { |
| NotifyStopped(); |
| } |
| |
| views::View* ScreenCaptureNotificationUIViews::GetContentsView() { |
| return this; |
| } |
| |
| views::ClientView* ScreenCaptureNotificationUIViews::CreateClientView( |
| views::Widget* widget) { |
| DCHECK(!client_view_); |
| client_view_ = new NotificationBarClientView(widget, this); |
| return client_view_; |
| } |
| |
| views::NonClientFrameView* |
| ScreenCaptureNotificationUIViews::CreateNonClientFrameView( |
| views::Widget* widget) { |
| views::BubbleFrameView* frame = new views::BubbleFrameView( |
| gfx::Insets(kPadding, kPaddingLeft, kPadding, kPadding)); |
| SkColor color = widget->GetNativeTheme()->GetSystemColor( |
| ui::NativeTheme::kColorId_DialogBackground); |
| views::BubbleBorder* border = new views::BubbleBorder( |
| views::BubbleBorder::NONE, views::BubbleBorder::SMALL_SHADOW, color); |
| frame->SetBubbleBorder(border); |
| return frame; |
| } |
| |
| base::string16 ScreenCaptureNotificationUIViews::GetWindowTitle() const { |
| return text_; |
| } |
| |
| bool ScreenCaptureNotificationUIViews::ShouldShowWindowTitle() const { |
| return false; |
| } |
| |
| bool ScreenCaptureNotificationUIViews::ShouldShowCloseButton() const { |
| return false; |
| } |
| |
| void ScreenCaptureNotificationUIViews::ButtonPressed(views::Button* sender, |
| const ui::Event& event) { |
| NotifyStopped(); |
| } |
| |
| void ScreenCaptureNotificationUIViews::NotifyStopped() { |
| if (!stop_callback_.is_null()) { |
| base::Closure callback = stop_callback_; |
| stop_callback_.Reset(); |
| callback.Run(); |
| } |
| } |
| |
| } // namespace |
| |
| scoped_ptr<ScreenCaptureNotificationUI> ScreenCaptureNotificationUI::Create( |
| const base::string16& text) { |
| return scoped_ptr<ScreenCaptureNotificationUI>( |
| new ScreenCaptureNotificationUIViews(text)); |
| } |