| // 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. |
| |
| #ifndef CHROME_BROWSER_UI_VIEWS_PANELS_PANEL_VIEW_H_ |
| #define CHROME_BROWSER_UI_VIEWS_PANELS_PANEL_VIEW_H_ |
| |
| #include "base/memory/scoped_ptr.h" |
| #include "chrome/browser/ui/panels/native_panel.h" |
| #include "ui/gfx/animation/animation_delegate.h" |
| #include "ui/views/widget/widget_delegate.h" |
| #include "ui/views/widget/widget_observer.h" |
| |
| #if defined(OS_WIN) |
| #include "ui/base/win/hwnd_subclass.h" |
| #endif |
| |
| class AutoKeepAlive; |
| class Panel; |
| class PanelBoundsAnimation; |
| class PanelFrameView; |
| class TaskbarWindowThumbnailerWin; |
| |
| namespace views { |
| class WebView; |
| } |
| |
| class PanelView : public NativePanel, |
| public views::WidgetObserver, |
| public views::WidgetDelegateView, |
| #if defined(OS_WIN) |
| public ui::HWNDMessageFilter, |
| #endif |
| public gfx::AnimationDelegate { |
| public: |
| // The size of inside area used for mouse resizing. |
| static const int kResizeInsideBoundsSize = 5; |
| |
| PanelView(Panel* panel, const gfx::Rect& bounds, bool always_on_top); |
| ~PanelView() override; |
| |
| // Overridden from NativePanel: |
| void ShowPanel() override; |
| void ShowPanelInactive() override; |
| gfx::Rect GetPanelBounds() const override; |
| void SetPanelBounds(const gfx::Rect& bounds) override; |
| void SetPanelBoundsInstantly(const gfx::Rect& bounds) override; |
| void ClosePanel() override; |
| void ActivatePanel() override; |
| void DeactivatePanel() override; |
| bool IsPanelActive() const override; |
| void PreventActivationByOS(bool prevent_activation) override; |
| gfx::NativeWindow GetNativePanelWindow() override; |
| void UpdatePanelTitleBar() override; |
| void UpdatePanelLoadingAnimations(bool should_animate) override; |
| void PanelCut() override; |
| void PanelCopy() override; |
| void PanelPaste() override; |
| void DrawAttention(bool draw_attention) override; |
| bool IsDrawingAttention() const override; |
| void HandlePanelKeyboardEvent( |
| const content::NativeWebKeyboardEvent& event) override; |
| void FullScreenModeChanged(bool is_full_screen) override; |
| bool IsPanelAlwaysOnTop() const override; |
| void SetPanelAlwaysOnTop(bool on_top) override; |
| void UpdatePanelMinimizeRestoreButtonVisibility() override; |
| void SetWindowCornerStyle(panel::CornerStyle corner_style) override; |
| void PanelExpansionStateChanging(Panel::ExpansionState old_state, |
| Panel::ExpansionState new_state) override; |
| void AttachWebContents(content::WebContents* contents) override; |
| void DetachWebContents(content::WebContents* contents) override; |
| gfx::Size WindowSizeFromContentSize( |
| const gfx::Size& content_size) const override; |
| gfx::Size ContentSizeFromWindowSize( |
| const gfx::Size& window_size) const override; |
| int TitleOnlyHeight() const override; |
| void MinimizePanelBySystem() override; |
| bool IsPanelMinimizedBySystem() const override; |
| bool IsPanelShownOnActiveDesktop() const override; |
| void ShowShadow(bool show) override; |
| NativePanelTesting* CreateNativePanelTesting() override; |
| |
| // Overridden from views::View: |
| gfx::Size GetMinimumSize() const override; |
| gfx::Size GetMaximumSize() const override; |
| |
| // Return true if the mouse event is handled. |
| // |mouse_location| is in screen coordinate system. |
| bool OnTitlebarMousePressed(const gfx::Point& mouse_location); |
| bool OnTitlebarMouseDragged(const gfx::Point& mouse_location); |
| bool OnTitlebarMouseReleased(panel::ClickModifier modifier); |
| bool OnTitlebarMouseCaptureLost(); |
| |
| PanelFrameView* GetFrameView() const; |
| bool IsAnimatingBounds() const; |
| |
| Panel* panel() const { return panel_.get(); } |
| views::Widget* window() const { return window_; } |
| bool force_to_paint_as_inactive() const { |
| return force_to_paint_as_inactive_; |
| } |
| |
| // PanelStackView might want to update the stored bounds directly since it |
| // has already taken care of updating the window bounds directly. |
| void set_cached_bounds_directly(const gfx::Rect& bounds) { bounds_ = bounds; } |
| |
| private: |
| enum MouseDraggingState { |
| NO_DRAGGING, |
| DRAGGING_STARTED, |
| DRAGGING_ENDED |
| }; |
| |
| // Overridden from views::WidgetDelegate: |
| void OnDisplayChanged() override; |
| void OnWorkAreaChanged() override; |
| bool WillProcessWorkAreaChange() const override; |
| views::View* GetContentsView() override; |
| views::NonClientFrameView* CreateNonClientFrameView( |
| views::Widget* widget) override; |
| bool CanResize() const override; |
| bool CanMaximize() const override; |
| bool CanMinimize() const override; |
| views::Widget* GetWidget() override; |
| const views::Widget* GetWidget() const override; |
| base::string16 GetWindowTitle() const override; |
| gfx::ImageSkia GetWindowAppIcon() override; |
| gfx::ImageSkia GetWindowIcon() override; |
| void WindowClosing() override; |
| void DeleteDelegate() override; |
| void OnWindowBeginUserBoundsChange() override; |
| void OnWindowEndUserBoundsChange() override; |
| |
| // Overridden from views::View: |
| void Layout() override; |
| bool AcceleratorPressed(const ui::Accelerator& accelerator) override; |
| |
| // Overridden from views::WidgetObserver: |
| void OnWidgetDestroying(views::Widget* widget) override; |
| void OnWidgetActivationChanged(views::Widget* widget, bool active) override; |
| void OnWidgetBoundsChanged(views::Widget* widget, |
| const gfx::Rect& new_bounds) override; |
| |
| // Overridden from ui::HWNDMessageFilter: |
| #if defined(OS_WIN) |
| bool FilterMessage(HWND hwnd, |
| UINT message, |
| WPARAM w_param, |
| LPARAM l_param, |
| LRESULT* l_result) override; |
| #endif |
| |
| // Overridden from AnimationDelegate: |
| void AnimationEnded(const gfx::Animation* animation) override; |
| void AnimationProgressed(const gfx::Animation* animation) override; |
| |
| void UpdateLoadingAnimations(bool should_animate); |
| void UpdateWindowTitle(); |
| void UpdateWindowIcon(); |
| void SetBoundsInternal(const gfx::Rect& bounds, bool animate); |
| bool EndDragging(bool cancelled); |
| |
| // Sets the bounds of the underlying window to |new_bounds|. Note that this |
| // might update the window style to work around the minimum overlapped |
| // window height limitation. |
| void SetWidgetBounds(const gfx::Rect& new_bounds); |
| |
| #if defined(OS_WIN) |
| // Sets |attribute_value_to_set| and/or clears |attribute_value_to_reset| for |
| // the attibute denoted by |attribute_index|. This is used to update the style |
| // or extended style for the native window. |
| void UpdateWindowAttribute(int attribute_index, |
| int attribute_value_to_set, |
| int attribute_value_to_reset, |
| bool update_frame); |
| #endif |
| |
| scoped_ptr<Panel> panel_; |
| gfx::Rect bounds_; |
| |
| // The window that holds all panel views. Lifetime managed by native widget. |
| // See widget.h. |
| views::Widget* window_; |
| |
| // Close gets called more than once, so use this to do one-time clean up once. |
| bool window_closed_; |
| |
| // The view hosting the web contents. Will be destroyed when child views |
| // of this class are destroyed. |
| views::WebView* web_view_; |
| |
| // True if the panel should always stay on top of other windows. |
| bool always_on_top_; |
| |
| // Is the panel receiving the focus? |
| bool focused_; |
| |
| // True if the user is resizing the panel. |
| bool user_resizing_; |
| |
| #if defined(OS_WIN) |
| // True if the user is resizing the interior edge of a stack. |
| bool user_resizing_interior_stacked_panel_edge_; |
| |
| // The original full size of the resizing panel before the resizing states. |
| gfx::Size original_full_size_of_resizing_panel_; |
| |
| // The original full size of the panel below the resizing panel before the |
| // resizing starts. |
| gfx::Size original_full_size_of_panel_below_resizing_panel_; |
| #endif |
| |
| |
| // Is the mouse button currently down? |
| bool mouse_pressed_; |
| |
| // Location the mouse was pressed at or dragged to last time when we process |
| // the mouse event. Used in drag-and-drop. |
| // This point is represented in the screen coordinate system. |
| gfx::Point last_mouse_location_; |
| |
| // Is the titlebar currently being dragged? That is, has the cursor |
| // moved more than kDragThreshold away from its starting position? |
| MouseDraggingState mouse_dragging_state_; |
| |
| // Used to animate the bounds change. |
| scoped_ptr<PanelBoundsAnimation> bounds_animator_; |
| gfx::Rect animation_start_bounds_; |
| |
| // Is the panel in highlighted state to draw people's attention? |
| bool is_drawing_attention_; |
| |
| // Should we force to paint the panel as inactive? This is needed when we need |
| // to capture the screenshot before an active panel goes minimized. |
| bool force_to_paint_as_inactive_; |
| |
| // The last view that had focus in the panel. This is saved so that focus can |
| // be restored properly when a drag ends. |
| views::View* old_focused_view_; |
| |
| scoped_ptr<AutoKeepAlive> keep_alive_; |
| |
| #if defined(OS_WIN) |
| // Used to provide custom taskbar thumbnail for Windows 7 and later. |
| scoped_ptr<TaskbarWindowThumbnailerWin> thumbnailer_; |
| #endif |
| |
| DISALLOW_COPY_AND_ASSIGN(PanelView); |
| }; |
| |
| #endif // CHROME_BROWSER_UI_VIEWS_PANELS_PANEL_VIEW_H_ |