| // 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 ASH_WM_PARTIAL_SCREENSHOT_VIEW_H_ |
| #define ASH_WM_PARTIAL_SCREENSHOT_VIEW_H_ |
| |
| #include <vector> |
| |
| #include "ash/ash_export.h" |
| #include "base/compiler_specific.h" |
| #include "base/gtest_prod_util.h" |
| #include "ui/gfx/point.h" |
| #include "ui/views/widget/widget_delegate.h" |
| |
| namespace aura { |
| class RootWindow; |
| } |
| |
| namespace ash { |
| class ScreenshotDelegate; |
| |
| // The view of taking partial screenshot, i.e.: drawing region |
| // rectangles during drag, and changing the mouse cursor to indicate |
| // the current mode. |
| class ASH_EXPORT PartialScreenshotView : public views::WidgetDelegateView { |
| public: |
| // Starts the UI for taking partial screenshot; dragging to select a region. |
| // PartialScreenshotViews manage their own lifetime so caller must not delete |
| // the returned PartialScreenshotViews. |
| static std::vector<PartialScreenshotView*> |
| StartPartialScreenshot(ScreenshotDelegate* screenshot_delegate); |
| |
| private: |
| FRIEND_TEST_ALL_PREFIXES(PartialScreenshotViewTest, BasicMouse); |
| FRIEND_TEST_ALL_PREFIXES(PartialScreenshotViewTest, BasicTouch); |
| |
| class OverlayDelegate; |
| |
| PartialScreenshotView(OverlayDelegate* overlay_delegate, |
| ScreenshotDelegate* screenshot_delegate); |
| virtual ~PartialScreenshotView(); |
| |
| // Initializes partial screenshot UI widget for |root_window|. |
| void Init(aura::RootWindow* root_window); |
| |
| // Returns the currently selected region. |
| gfx::Rect GetScreenshotRect() const; |
| |
| void OnSelectionStarted(const gfx::Point& position); |
| void OnSelectionChanged(const gfx::Point& position); |
| void OnSelectionFinished(); |
| |
| // Overridden from views::View: |
| virtual gfx::NativeCursor GetCursor(const ui::MouseEvent& event) OVERRIDE; |
| virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE; |
| virtual bool OnMousePressed(const ui::MouseEvent& event) OVERRIDE; |
| virtual bool OnMouseDragged(const ui::MouseEvent& event) OVERRIDE; |
| virtual bool OnMouseWheel(const ui::MouseWheelEvent& event) OVERRIDE; |
| virtual void OnMouseReleased(const ui::MouseEvent& event) OVERRIDE; |
| virtual void OnMouseCaptureLost() OVERRIDE; |
| virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE; |
| |
| bool is_dragging_; |
| gfx::Point start_position_; |
| gfx::Point current_position_; |
| |
| // The delegate to receive Cancel. No ownership. |
| OverlayDelegate* overlay_delegate_; |
| |
| // ScreenshotDelegate to take the actual screenshot. No ownership. |
| ScreenshotDelegate* screenshot_delegate_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PartialScreenshotView); |
| }; |
| |
| } // namespace ash |
| |
| #endif // #ifndef ASH_WM_PARTIAL_SCREENSHOT_VIEW_H_ |