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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CHROME_BROWSER_UI_VIEWS_RELOAD_BUTTON_H__ | |
| 6 #define CHROME_BROWSER_UI_VIEWS_RELOAD_BUTTON_H__ | |
| 7 | |
| 8 #include "base/basictypes.h" | |
| 9 #include "base/gtest_prod_util.h" | |
| 10 #include "base/timer/timer.h" | |
| 11 #include "ui/base/models/simple_menu_model.h" | |
| 12 #include "ui/views/controls/button/button_dropdown.h" | |
| 13 | |
| 14 class CommandUpdater; | |
| 15 class LocationBarView; | |
| 16 | |
| 17 //////////////////////////////////////////////////////////////////////////////// | |
| 18 // | |
| 19 // ReloadButton | |
| 20 // | |
| 21 // The reload button in the toolbar, which changes to a stop button when a page | |
| 22 // load is in progress. Trickiness comes from the desire to have the 'stop' | |
| 23 // button not change back to 'reload' if the user's mouse is hovering over it | |
| 24 // (to prevent mis-clicks). | |
| 25 // | |
| 26 //////////////////////////////////////////////////////////////////////////////// | |
| 27 | |
| 28 class ReloadButton : public views::ButtonDropDown, | |
| 29 public views::ButtonListener, | |
| 30 public ui::SimpleMenuModel::Delegate { | |
| 31 public: | |
| 32 enum Mode { MODE_RELOAD = 0, MODE_STOP }; | |
| 33 | |
| 34 // The button's class name. | |
| 35 static const char kViewClassName[]; | |
| 36 | |
| 37 ReloadButton(LocationBarView* location_bar, | |
| 38 CommandUpdater* command_updater); | |
| 39 virtual ~ReloadButton(); | |
| 40 | |
| 41 // Ask for a specified button state. If |force| is true this will be applied | |
| 42 // immediately. | |
| 43 void ChangeMode(Mode mode, bool force); | |
| 44 | |
| 45 // Enable reload drop-down menu. | |
| 46 void set_menu_enabled(bool enable) { menu_enabled_ = enable; } | |
| 47 | |
| 48 void LoadImages(ui::ThemeProvider* tp); | |
| 49 | |
| 50 // Overridden from views::View: | |
| 51 virtual void OnMouseExited(const ui::MouseEvent& event) OVERRIDE; | |
| 52 virtual bool GetTooltipText(const gfx::Point& p, | |
| 53 string16* tooltip) const OVERRIDE; | |
| 54 virtual const char* GetClassName() const OVERRIDE; | |
| 55 virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE; | |
| 56 | |
| 57 // Overridden from views::ButtonDropDown: | |
| 58 virtual bool ShouldShowMenu() OVERRIDE; | |
| 59 virtual void ShowDropDownMenu(ui::MenuSourceType source_type) OVERRIDE; | |
| 60 | |
| 61 // Overridden from views::ButtonListener: | |
| 62 virtual void ButtonPressed(views::Button* /* button */, | |
| 63 const ui::Event& event) OVERRIDE; | |
| 64 | |
| 65 // Overridden from ui::SimpleMenuModel::Delegate: | |
| 66 virtual bool IsCommandIdChecked(int command_id) const OVERRIDE; | |
| 67 virtual bool IsCommandIdEnabled(int command_id) const OVERRIDE; | |
| 68 virtual bool IsCommandIdVisible(int command_id) const OVERRIDE; | |
| 69 virtual bool GetAcceleratorForCommandId( | |
| 70 int command_id, | |
| 71 ui::Accelerator* accelerator) OVERRIDE; | |
| 72 virtual void ExecuteCommand(int command_id, int event_flags) OVERRIDE; | |
| 73 | |
| 74 private: | |
| 75 friend class ReloadButtonTest; | |
| 76 | |
| 77 ui::SimpleMenuModel* CreateMenuModel(); | |
| 78 | |
| 79 void ExecuteBrowserCommand(int command, int event_flags); | |
| 80 void ChangeModeInternal(Mode mode); | |
| 81 | |
| 82 void OnDoubleClickTimer(); | |
| 83 void OnStopToReloadTimer(); | |
| 84 | |
| 85 base::OneShotTimer<ReloadButton> double_click_timer_; | |
| 86 base::OneShotTimer<ReloadButton> stop_to_reload_timer_; | |
| 87 | |
| 88 // These may be NULL when testing. | |
| 89 LocationBarView* location_bar_; | |
| 90 CommandUpdater* command_updater_; | |
| 91 | |
| 92 // The mode we should be in assuming no timers are running. | |
| 93 Mode intended_mode_; | |
| 94 | |
| 95 // The currently-visible mode - this may differ from the intended mode. | |
| 96 Mode visible_mode_; | |
| 97 | |
| 98 // The delay times for the timers. These are members so that tests can modify | |
| 99 // them. | |
| 100 base::TimeDelta double_click_timer_delay_; | |
| 101 base::TimeDelta stop_to_reload_timer_delay_; | |
| 102 | |
| 103 // Indicates if reload menu is enabled. | |
| 104 bool menu_enabled_; | |
| 105 | |
| 106 // The parent class's images_ member is used for the current images, | |
| 107 // and this array is used to hold the alternative images. | |
| 108 // We swap between the two when changing mode. | |
| 109 gfx::ImageSkia alternate_images_[STATE_COUNT]; | |
| 110 | |
| 111 // TESTING ONLY | |
| 112 // True if we should pretend the button is hovered. | |
| 113 bool testing_mouse_hovered_; | |
| 114 // Increments when we would tell the browser to "reload", so | |
| 115 // test code can tell whether we did so (as there may be no |browser_|). | |
| 116 int testing_reload_count_; | |
| 117 | |
| 118 DISALLOW_IMPLICIT_CONSTRUCTORS(ReloadButton); | |
| 119 }; | |
| 120 | |
| 121 #endif // CHROME_BROWSER_UI_VIEWS_RELOAD_BUTTON_H__ | |
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