ash/wm/partial_screenshot_view_unittest.cc

   1 // Copyright (c) 2013 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 #include "ash/wm/partial_screenshot_view.h"
   6
   7 #include "ash/screenshot_delegate.h"
   8 #include "ash/shell.h"
   9 #include "ash/shell_window_ids.h"
  10 #include "ash/test/ash_test_base.h"
  11 #include "ash/test/test_overlay_delegate.h"
  12 #include "ash/test/test_screenshot_delegate.h"
  13 #include "ui/aura/window_event_dispatcher.h"
  14 #include "ui/events/test/event_generator.h"
  15 #include "ui/views/widget/widget.h"
  16 #include "ui/views/widget/widget_observer.h"
  17
  18 namespace ash {
  19
  20 class PartialScreenshotViewTest : public test::AshTestBase,
  21                                   public views::WidgetObserver {
  22  public:
  23   PartialScreenshotViewTest() : view_(NULL) {}
  24   ~PartialScreenshotViewTest() override {
  25     if (view_)
  26       view_->GetWidget()->RemoveObserver(this);
  27   }
  28
  29   void StartPartialScreenshot() {
  30     std::vector<PartialScreenshotView*> views =
  31         PartialScreenshotView::StartPartialScreenshot(GetScreenshotDelegate());
  32     if (!views.empty()) {
  33       view_ = views[0];
  34       view_->GetWidget()->AddObserver(this);
  35     }
  36   }
  37
  38  protected:
  39   PartialScreenshotView* view_;
  40
  41  private:
  42   // views::WidgetObserver:
  43   void OnWidgetDestroying(views::Widget* widget) override {
  44     if (view_ && view_->GetWidget() == widget)
  45       view_ = NULL;
  46     widget->RemoveObserver(this);
  47   }
  48
  49   DISALLOW_COPY_AND_ASSIGN(PartialScreenshotViewTest);
  50 };
  51
  52 TEST_F(PartialScreenshotViewTest, BasicMouse) {
  53   StartPartialScreenshot();
  54   ASSERT_TRUE(view_);
  55
  56   ui::test::EventGenerator generator(Shell::GetPrimaryRootWindow());
  57
  58   generator.MoveMouseTo(100, 100);
  59   generator.PressLeftButton();
  60   EXPECT_FALSE(view_->is_dragging_);
  61   EXPECT_EQ("100,100", view_->start_position_.ToString());
  62
  63   generator.MoveMouseTo(200, 200);
  64   EXPECT_TRUE(view_->is_dragging_);
  65   EXPECT_EQ("200,200", view_->current_position_.ToString());
  66
  67   generator.ReleaseLeftButton();
  68   EXPECT_FALSE(view_->is_dragging_);
  69   EXPECT_EQ("100,100 100x100", GetScreenshotDelegate()->last_rect().ToString());
  70   EXPECT_EQ(1, GetScreenshotDelegate()->handle_take_partial_screenshot_count());
  71 }
  72
  73 TEST_F(PartialScreenshotViewTest, BasicTouch) {
  74   StartPartialScreenshot();
  75   ASSERT_TRUE(view_);
  76
  77   ui::test::EventGenerator generator(Shell::GetPrimaryRootWindow());
  78
  79   generator.set_current_location(gfx::Point(100,100));
  80   generator.GestureTapDownAndUp(gfx::Point(100,100));
  81   EXPECT_FALSE(view_->is_dragging_);
  82   EXPECT_EQ(0, GetScreenshotDelegate()->handle_take_partial_screenshot_count());
  83
  84   generator.PressTouch();
  85   EXPECT_FALSE(view_->is_dragging_);
  86   EXPECT_EQ("100,100", view_->start_position_.ToString());
  87
  88   generator.MoveTouch(gfx::Point(200, 200));
  89   EXPECT_TRUE(view_->is_dragging_);
  90   EXPECT_EQ("200,200", view_->current_position_.ToString());
  91
  92   generator.ReleaseTouch();
  93   EXPECT_FALSE(view_->is_dragging_);
  94   EXPECT_EQ(1, GetScreenshotDelegate()->handle_take_partial_screenshot_count());
  95   EXPECT_EQ("100,100 100x100", GetScreenshotDelegate()->last_rect().ToString());
  96 }
  97
  98 // Partial screenshot session should not start when there is already another
  99 // overlay. See: http://crbug.com/341958
 100 TEST_F(PartialScreenshotViewTest, DontStartOverOverlay) {
 101   OverlayEventFilter* overlay_filter = Shell::GetInstance()->overlay_filter();
 102   test::TestOverlayDelegate delegate;
 103   overlay_filter->Activate(&delegate);
 104   EXPECT_EQ(&delegate, overlay_filter->delegate_);
 105
 106   StartPartialScreenshot();
 107   EXPECT_TRUE(view_ == NULL);
 108   EXPECT_EQ(&delegate, overlay_filter->delegate_);
 109   overlay_filter->Deactivate(&delegate);
 110
 111   StartPartialScreenshot();
 112   EXPECT_TRUE(view_ != NULL);
 113
 114   // Someone else attempts to activate the overlay session, which should cancel
 115   // the current partial screenshot session.
 116   overlay_filter->Activate(&delegate);
 117   RunAllPendingInMessageLoop();
 118   EXPECT_EQ(&delegate, overlay_filter->delegate_);
 119   EXPECT_TRUE(view_ == NULL);
 120 }
 121
 122 }  // namespace ash