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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "chrome/browser/task_manager/task_manager.h" | 5 #include "chrome/browser/task_manager/task_manager.h" |
6 | 6 |
7 #include "base/command_line.h" | 7 #include "base/command_line.h" |
8 #include "base/compiler_specific.h" | 8 #include "base/compiler_specific.h" |
9 #include "base/metrics/stats_table.h" | 9 #include "base/metrics/stats_table.h" |
10 #include "base/prefs/pref_service.h" | 10 #include "base/prefs/pref_service.h" |
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210 private: | 210 private: |
211 // Creates the child controls. | 211 // Creates the child controls. |
212 void Init(); | 212 void Init(); |
213 | 213 |
214 // Initializes the state of the always-on-top setting as the window is shown. | 214 // Initializes the state of the always-on-top setting as the window is shown. |
215 void InitAlwaysOnTopState(); | 215 void InitAlwaysOnTopState(); |
216 | 216 |
217 // Activates the tab associated with the focused row. | 217 // Activates the tab associated with the focused row. |
218 void ActivateFocusedTab(); | 218 void ActivateFocusedTab(); |
219 | 219 |
220 // Adds an always on top item to the window's system menu. | |
221 void AddAlwaysOnTopSystemMenuItem(); | |
222 | |
223 // Restores saved always on top state from a previous session. | 220 // Restores saved always on top state from a previous session. |
224 bool GetSavedAlwaysOnTopState(bool* always_on_top) const; | 221 bool GetSavedAlwaysOnTopState(bool* always_on_top) const; |
225 | 222 |
226 views::LabelButton* purge_memory_button_; | 223 views::LabelButton* purge_memory_button_; |
227 views::LabelButton* kill_button_; | 224 views::LabelButton* kill_button_; |
228 views::Link* about_memory_link_; | 225 views::Link* about_memory_link_; |
229 views::TableView* tab_table_; | 226 views::TableView* tab_table_; |
230 views::View* tab_table_parent_; | 227 views::View* tab_table_parent_; |
231 | 228 |
232 TaskManager* task_manager_; | 229 TaskManager* task_manager_; |
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549 // DialogDelegate implementation. | 546 // DialogDelegate implementation. |
550 bool TaskManagerView::CanResize() const { | 547 bool TaskManagerView::CanResize() const { |
551 return true; | 548 return true; |
552 } | 549 } |
553 | 550 |
554 bool TaskManagerView::CanMaximize() const { | 551 bool TaskManagerView::CanMaximize() const { |
555 return true; | 552 return true; |
556 } | 553 } |
557 | 554 |
558 bool TaskManagerView::ExecuteWindowsCommand(int command_id) { | 555 bool TaskManagerView::ExecuteWindowsCommand(int command_id) { |
559 #if defined(OS_WIN) && !defined(USE_AURA) | |
560 if (command_id == IDC_ALWAYS_ON_TOP) { | |
561 is_always_on_top_ = !is_always_on_top_; | |
562 | |
563 // Change the menu check state. | |
564 HMENU system_menu = GetSystemMenu(GetWidget()->GetNativeWindow(), FALSE); | |
565 MENUITEMINFO menu_info; | |
566 memset(&menu_info, 0, sizeof(MENUITEMINFO)); | |
567 menu_info.cbSize = sizeof(MENUITEMINFO); | |
568 BOOL r = GetMenuItemInfo(system_menu, IDC_ALWAYS_ON_TOP, | |
569 FALSE, &menu_info); | |
570 DCHECK(r); | |
571 menu_info.fMask = MIIM_STATE; | |
572 if (is_always_on_top_) | |
573 menu_info.fState = MFS_CHECKED; | |
574 r = SetMenuItemInfo(system_menu, IDC_ALWAYS_ON_TOP, FALSE, &menu_info); | |
575 | |
576 // Now change the actual window's behavior. | |
577 GetWidget()->SetAlwaysOnTop(is_always_on_top_); | |
578 | |
579 // Save the state. | |
580 if (g_browser_process->local_state()) { | |
581 DictionaryPrefUpdate update(g_browser_process->local_state(), | |
582 GetWindowName().c_str()); | |
583 base::DictionaryValue* window_preferences = update.Get(); | |
584 window_preferences->SetBoolean("always_on_top", is_always_on_top_); | |
585 } | |
586 return true; | |
587 } | |
588 #endif | |
589 return false; | 556 return false; |
590 } | 557 } |
591 | 558 |
592 base::string16 TaskManagerView::GetWindowTitle() const { | 559 base::string16 TaskManagerView::GetWindowTitle() const { |
593 return l10n_util::GetStringUTF16(IDS_TASK_MANAGER_TITLE); | 560 return l10n_util::GetStringUTF16(IDS_TASK_MANAGER_TITLE); |
594 } | 561 } |
595 | 562 |
596 std::string TaskManagerView::GetWindowName() const { | 563 std::string TaskManagerView::GetWindowName() const { |
597 return prefs::kTaskManagerWindowPlacement; | 564 return prefs::kTaskManagerWindowPlacement; |
598 } | 565 } |
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675 } | 642 } |
676 | 643 |
677 void TaskManagerView::ExecuteCommand(int id, int event_flags) { | 644 void TaskManagerView::ExecuteCommand(int id, int event_flags) { |
678 tab_table_->SetColumnVisibility(id, !tab_table_->IsColumnVisible(id)); | 645 tab_table_->SetColumnVisibility(id, !tab_table_->IsColumnVisible(id)); |
679 } | 646 } |
680 | 647 |
681 void TaskManagerView::InitAlwaysOnTopState() { | 648 void TaskManagerView::InitAlwaysOnTopState() { |
682 is_always_on_top_ = false; | 649 is_always_on_top_ = false; |
683 if (GetSavedAlwaysOnTopState(&is_always_on_top_)) | 650 if (GetSavedAlwaysOnTopState(&is_always_on_top_)) |
684 GetWidget()->SetAlwaysOnTop(is_always_on_top_); | 651 GetWidget()->SetAlwaysOnTop(is_always_on_top_); |
685 AddAlwaysOnTopSystemMenuItem(); | |
686 } | 652 } |
687 | 653 |
688 void TaskManagerView::ActivateFocusedTab() { | 654 void TaskManagerView::ActivateFocusedTab() { |
689 const int active_row = tab_table_->selection_model().active(); | 655 const int active_row = tab_table_->selection_model().active(); |
690 if (active_row != -1) | 656 if (active_row != -1) |
691 task_manager_->ActivateProcess(active_row); | 657 task_manager_->ActivateProcess(active_row); |
692 } | 658 } |
693 | 659 |
694 void TaskManagerView::AddAlwaysOnTopSystemMenuItem() { | |
695 #if defined(OS_WIN) && !defined(USE_AURA) | |
696 // The Win32 API requires that we own the text. | |
697 always_on_top_menu_text_ = l10n_util::GetStringUTF16(IDS_ALWAYS_ON_TOP); | |
698 | |
699 // Let's insert a menu to the window. | |
700 HMENU system_menu = ::GetSystemMenu(GetWidget()->GetNativeWindow(), FALSE); | |
701 int index = ::GetMenuItemCount(system_menu) - 1; | |
702 if (index < 0) { | |
703 // Paranoia check. | |
704 NOTREACHED(); | |
705 index = 0; | |
706 } | |
707 // First we add the separator. | |
708 MENUITEMINFO menu_info; | |
709 memset(&menu_info, 0, sizeof(MENUITEMINFO)); | |
710 menu_info.cbSize = sizeof(MENUITEMINFO); | |
711 menu_info.fMask = MIIM_FTYPE; | |
712 menu_info.fType = MFT_SEPARATOR; | |
713 ::InsertMenuItem(system_menu, index, TRUE, &menu_info); | |
714 | |
715 // Then the actual menu. | |
716 menu_info.fMask = MIIM_FTYPE | MIIM_ID | MIIM_STRING | MIIM_STATE; | |
717 menu_info.fType = MFT_STRING; | |
718 menu_info.fState = MFS_ENABLED; | |
719 if (is_always_on_top_) | |
720 menu_info.fState |= MFS_CHECKED; | |
721 menu_info.wID = IDC_ALWAYS_ON_TOP; | |
722 menu_info.dwTypeData = const_cast<wchar_t*>(always_on_top_menu_text_.c_str()); | |
723 ::InsertMenuItem(system_menu, index, TRUE, &menu_info); | |
724 #endif | |
725 } | |
726 | |
727 bool TaskManagerView::GetSavedAlwaysOnTopState(bool* always_on_top) const { | 660 bool TaskManagerView::GetSavedAlwaysOnTopState(bool* always_on_top) const { |
728 if (!g_browser_process->local_state()) | 661 if (!g_browser_process->local_state()) |
729 return false; | 662 return false; |
730 | 663 |
731 const base::DictionaryValue* dictionary = | 664 const base::DictionaryValue* dictionary = |
732 g_browser_process->local_state()->GetDictionary(GetWindowName().c_str()); | 665 g_browser_process->local_state()->GetDictionary(GetWindowName().c_str()); |
733 return dictionary && | 666 return dictionary && |
734 dictionary->GetBoolean("always_on_top", always_on_top) && always_on_top; | 667 dictionary->GetBoolean("always_on_top", always_on_top) && always_on_top; |
735 } | 668 } |
736 | 669 |
737 } // namespace | 670 } // namespace |
738 | 671 |
739 namespace chrome { | 672 namespace chrome { |
740 | 673 |
741 // Declared in browser_dialogs.h so others don't need to depend on our header. | 674 // Declared in browser_dialogs.h so others don't need to depend on our header. |
742 void ShowTaskManager(Browser* browser) { | 675 void ShowTaskManager(Browser* browser) { |
743 TaskManagerView::Show(browser); | 676 TaskManagerView::Show(browser); |
744 } | 677 } |
745 | 678 |
746 } // namespace chrome | 679 } // namespace chrome |
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