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#include "chrome/browser/ui/window_sizer/window_sizer_common_unittest.h"
6
7#include "ash/wm/window_resizer.h"
8#include "base/compiler_specific.h"
9#include "chrome/browser/ui/browser.h"
10#include "chrome/common/chrome_switches.h"
11#include "chrome/test/base/testing_profile.h"
12#include "testing/gtest/include/gtest/gtest.h"
13#include "ui/gfx/display.h"
14#include "ui/gfx/screen.h"
15
16#if defined(USE_AURA)
17#include "ui/aura/window.h"
18#endif
19
20namespace {
21
22class TestScreen : public gfx::Screen {
23 public:
24  TestScreen() {}
25  virtual ~TestScreen() {}
26
27  // Overridden from gfx::Screen:
28  virtual bool IsDIPEnabled() OVERRIDE {
29    NOTREACHED();
30    return false;
31  }
32
33  virtual gfx::Point GetCursorScreenPoint() OVERRIDE {
34    NOTREACHED();
35    return gfx::Point();
36  }
37
38  virtual gfx::NativeWindow GetWindowUnderCursor() OVERRIDE {
39    NOTREACHED();
40    return NULL;
41  }
42
43  virtual gfx::NativeWindow GetWindowAtScreenPoint(const gfx::Point& point)
44      OVERRIDE {
45    NOTREACHED();
46    return NULL;
47  }
48
49  virtual int GetNumDisplays() const OVERRIDE {
50    return displays_.size();
51  }
52
53  virtual std::vector<gfx::Display> GetAllDisplays() const OVERRIDE {
54    return displays_;
55  }
56
57  virtual gfx::Display GetDisplayNearestWindow(
58      gfx::NativeView view) const OVERRIDE {
59#if defined(USE_AURA)
60    return GetDisplayMatching(view->GetBoundsInScreen());
61#else
62    NOTREACHED();
63    return gfx::Display();
64#endif
65  }
66
67  virtual gfx::Display GetDisplayNearestPoint(
68      const gfx::Point& point) const OVERRIDE {
69    NOTREACHED();
70    return gfx::Display();
71  }
72
73  virtual gfx::Display GetDisplayMatching(
74      const gfx::Rect& match_rect) const OVERRIDE {
75    int max_area = 0;
76    size_t max_area_index = 0;
77
78    for (size_t i = 0; i < displays_.size(); ++i) {
79      gfx::Rect overlap = displays_[i].bounds();
80      overlap.Intersect(match_rect);
81      int area = overlap.width() * overlap.height();
82      if (area > max_area) {
83        max_area = area;
84        max_area_index = i;
85      }
86    }
87    return displays_[max_area_index];
88  }
89
90  virtual gfx::Display GetPrimaryDisplay() const OVERRIDE {
91    return displays_[0];
92  }
93
94  virtual void AddObserver(gfx::DisplayObserver* observer) OVERRIDE {
95    NOTREACHED();
96  }
97
98  virtual void RemoveObserver(gfx::DisplayObserver* observer) OVERRIDE {
99    NOTREACHED();
100  }
101
102  void AddDisplay(const gfx::Rect& bounds,
103                  const gfx::Rect& work_area) {
104    gfx::Display display(displays_.size(), bounds);
105    display.set_work_area(work_area);
106    displays_.push_back(display);
107  }
108
109 private:
110  std::vector<gfx::Display> displays_;
111
112  DISALLOW_COPY_AND_ASSIGN(TestScreen);
113};
114
115class TestTargetDisplayProvider : public WindowSizer::TargetDisplayProvider {
116public:
117  TestTargetDisplayProvider() {}
118  virtual ~TestTargetDisplayProvider() {}
119
120  virtual gfx::Display GetTargetDisplay(
121      const gfx::Screen* screen,
122      const gfx::Rect& bounds) const OVERRIDE {
123    // On ash, the bounds is used as a indicator to specify
124    // the target display.
125    return screen->GetDisplayMatching(bounds);
126  }
127
128 private:
129  DISALLOW_COPY_AND_ASSIGN(TestTargetDisplayProvider);
130};
131
132}  // namespace
133
134TestStateProvider::TestStateProvider():
135    has_persistent_data_(false),
136    persistent_show_state_(ui::SHOW_STATE_DEFAULT),
137    has_last_active_data_(false),
138    last_active_show_state_(ui::SHOW_STATE_DEFAULT) {
139}
140
141void TestStateProvider::SetPersistentState(const gfx::Rect& bounds,
142                                           const gfx::Rect& work_area,
143                                           ui::WindowShowState show_state,
144                                           bool has_persistent_data) {
145  persistent_bounds_ = bounds;
146  persistent_work_area_ = work_area;
147  persistent_show_state_ = show_state;
148  has_persistent_data_ = has_persistent_data;
149}
150
151void TestStateProvider::SetLastActiveState(const gfx::Rect& bounds,
152                                           ui::WindowShowState show_state,
153                                           bool has_last_active_data) {
154  last_active_bounds_ = bounds;
155  last_active_show_state_ = show_state;
156  has_last_active_data_ = has_last_active_data;
157}
158
159bool TestStateProvider::GetPersistentState(
160    gfx::Rect* bounds,
161    gfx::Rect* saved_work_area,
162    ui::WindowShowState* show_state) const {
163  DCHECK(show_state);
164  *bounds = persistent_bounds_;
165  *saved_work_area = persistent_work_area_;
166  if (*show_state == ui::SHOW_STATE_DEFAULT)
167    *show_state = persistent_show_state_;
168  return has_persistent_data_;
169}
170
171bool TestStateProvider::GetLastActiveWindowState(
172    gfx::Rect* bounds,
173    ui::WindowShowState* show_state) const {
174  DCHECK(show_state);
175  *bounds = last_active_bounds_;
176  if (*show_state == ui::SHOW_STATE_DEFAULT)
177    *show_state = last_active_show_state_;
178  return has_last_active_data_;
179}
180
181int kWindowTilePixels = WindowSizer::kWindowTilePixels;
182
183// The window sizer commonly used test functions.
184void GetWindowBoundsAndShowState(
185    const gfx::Rect& monitor1_bounds,
186    const gfx::Rect& monitor1_work_area,
187    const gfx::Rect& monitor2_bounds,
188    const gfx::Rect& bounds,
189    const gfx::Rect& work_area,
190    ui::WindowShowState show_state_persisted,
191    ui::WindowShowState show_state_last,
192    Source source,
193    const Browser* browser,
194    const gfx::Rect& passed_in,
195    gfx::Rect* out_bounds,
196    ui::WindowShowState* out_show_state) {
197  DCHECK(out_show_state);
198  TestScreen test_screen;
199  test_screen.AddDisplay(monitor1_bounds, monitor1_work_area);
200  if (!monitor2_bounds.IsEmpty())
201    test_screen.AddDisplay(monitor2_bounds, monitor2_bounds);
202  scoped_ptr<TestStateProvider> sp(new TestStateProvider);
203  if (source == PERSISTED || source == BOTH)
204    sp->SetPersistentState(bounds, work_area, show_state_persisted, true);
205  if (source == LAST_ACTIVE || source == BOTH)
206    sp->SetLastActiveState(bounds, show_state_last, true);
207  scoped_ptr<WindowSizer::TargetDisplayProvider> tdp(
208      new TestTargetDisplayProvider);
209
210  WindowSizer sizer(sp.PassAs<WindowSizer::StateProvider>(),
211                    tdp.Pass(), &test_screen, browser);
212  sizer.DetermineWindowBoundsAndShowState(passed_in,
213                                          out_bounds,
214                                          out_show_state);
215}
216
217void GetWindowBounds(const gfx::Rect& monitor1_bounds,
218                            const gfx::Rect& monitor1_work_area,
219                            const gfx::Rect& monitor2_bounds,
220                            const gfx::Rect& bounds,
221                            const gfx::Rect& work_area,
222                            Source source,
223                            const Browser* browser,
224                            const gfx::Rect& passed_in,
225                            gfx::Rect* out_bounds) {
226  ui::WindowShowState out_show_state = ui::SHOW_STATE_DEFAULT;
227  GetWindowBoundsAndShowState(
228      monitor1_bounds, monitor1_work_area, monitor2_bounds, bounds, work_area,
229      ui::SHOW_STATE_DEFAULT, ui::SHOW_STATE_DEFAULT, source, browser,
230      passed_in, out_bounds, &out_show_state);
231}
232
233ui::WindowShowState GetWindowShowState(
234    ui::WindowShowState show_state_persisted,
235    ui::WindowShowState show_state_last,
236    Source source,
237    const Browser* browser,
238    const gfx::Rect& bounds,
239    const gfx::Rect& display_config) {
240  TestScreen test_screen;
241  test_screen.AddDisplay(display_config, display_config);
242  scoped_ptr<TestStateProvider> sp(new TestStateProvider);
243  if (source == PERSISTED || source == BOTH)
244    sp->SetPersistentState(bounds, display_config, show_state_persisted, true);
245  if (source == LAST_ACTIVE || source == BOTH)
246    sp->SetLastActiveState(bounds, show_state_last, true);
247  scoped_ptr<WindowSizer::TargetDisplayProvider> tdp(
248      new TestTargetDisplayProvider);
249
250  WindowSizer sizer(sp.PassAs<WindowSizer::StateProvider>(),
251                    tdp.Pass(), &test_screen, browser);
252
253  ui::WindowShowState out_show_state = ui::SHOW_STATE_DEFAULT;
254  gfx::Rect out_bounds;
255  sizer.DetermineWindowBoundsAndShowState(
256      gfx::Rect(),
257      &out_bounds,
258      &out_show_state);
259  return out_show_state;
260}
261
262#if !defined(OS_MACOSX)
263TEST(WindowSizerTestCommon,
264     PersistedWindowOffscreenWithNonAggressiveRepositioning) {
265  { // off the left but the minimum visibility condition is barely satisfied
266    // without relocaiton.
267    gfx::Rect initial_bounds(-470, 50, 500, 400);
268
269    gfx::Rect window_bounds;
270    GetWindowBounds(p1024x768, p1024x768, gfx::Rect(),
271                    initial_bounds, gfx::Rect(), PERSISTED,
272                    NULL, gfx::Rect(), &window_bounds);
273    EXPECT_EQ(initial_bounds.ToString(), window_bounds.ToString());
274  }
275
276  { // off the left and the minimum visibility condition is satisfied by
277    // relocation.
278    gfx::Rect window_bounds;
279    GetWindowBounds(p1024x768, p1024x768, gfx::Rect(),
280                    gfx::Rect(-471, 50, 500, 400), gfx::Rect(), PERSISTED,
281                    NULL, gfx::Rect(), &window_bounds);
282    EXPECT_EQ(gfx::Rect(-470 /* not -471 */, 50, 500, 400).ToString(),
283              window_bounds.ToString());
284  }
285
286  { // off the top
287    gfx::Rect initial_bounds(50, -370, 500, 400);
288
289    gfx::Rect window_bounds;
290    GetWindowBounds(p1024x768, p1024x768, gfx::Rect(),
291                    gfx::Rect(50, -370, 500, 400), gfx::Rect(), PERSISTED,
292                    NULL, gfx::Rect(), &window_bounds);
293    EXPECT_EQ("50,0 500x400", window_bounds.ToString());
294  }
295
296  { // off the right but the minimum visibility condition is barely satisified
297    // without relocation.
298    gfx::Rect initial_bounds(994, 50, 500, 400);
299
300    gfx::Rect window_bounds;
301    GetWindowBounds(p1024x768, p1024x768, gfx::Rect(),
302                    initial_bounds, gfx::Rect(), PERSISTED,
303                    NULL, gfx::Rect(), &window_bounds);
304    EXPECT_EQ(initial_bounds.ToString(), window_bounds.ToString());
305  }
306
307  { // off the right and the minimum visibility condition is satisified by
308    // relocation.
309    gfx::Rect window_bounds;
310    GetWindowBounds(p1024x768, p1024x768, gfx::Rect(),
311                    gfx::Rect(995, 50, 500, 400), gfx::Rect(), PERSISTED,
312                    NULL, gfx::Rect(), &window_bounds);
313    EXPECT_EQ(gfx::Rect(994 /* not 995 */, 50, 500, 400).ToString(),
314              window_bounds.ToString());
315  }
316
317  { // off the bottom but the minimum visibility condition is barely satisified
318    // without relocation.
319    gfx::Rect initial_bounds(50, 738, 500, 400);
320
321    gfx::Rect window_bounds;
322    GetWindowBounds(p1024x768, p1024x768, gfx::Rect(),
323                    initial_bounds, gfx::Rect(), PERSISTED,
324                    NULL, gfx::Rect(), &window_bounds);
325    EXPECT_EQ(initial_bounds.ToString(), window_bounds.ToString());
326  }
327
328  { // off the bottom and the minimum visibility condition is satisified by
329    // relocation.
330    gfx::Rect window_bounds;
331    GetWindowBounds(p1024x768, p1024x768, gfx::Rect(),
332                    gfx::Rect(50, 739, 500, 400), gfx::Rect(), PERSISTED,
333                    NULL, gfx::Rect(), &window_bounds);
334    EXPECT_EQ(gfx::Rect(50, 738 /* not 739 */, 500, 400).ToString(),
335              window_bounds.ToString());
336  }
337
338  { // off the topleft
339    gfx::Rect window_bounds;
340    GetWindowBounds(p1024x768, p1024x768, gfx::Rect(),
341                    gfx::Rect(-471, -371, 500, 400), gfx::Rect(), PERSISTED,
342                    NULL, gfx::Rect(), &window_bounds);
343    EXPECT_EQ(gfx::Rect(-470 /* not -471 */, 0, 500, 400).ToString(),
344              window_bounds.ToString());
345  }
346
347  { // off the topright and the minimum visibility condition is satisified by
348    // relocation.
349    gfx::Rect window_bounds;
350    GetWindowBounds(p1024x768, p1024x768, gfx::Rect(),
351                    gfx::Rect(995, -371, 500, 400), gfx::Rect(), PERSISTED,
352                    NULL, gfx::Rect(), &window_bounds);
353    EXPECT_EQ(gfx::Rect(994 /* not 995 */, 0, 500, 400).ToString(),
354              window_bounds.ToString());
355  }
356
357  { // off the bottomleft and the minimum visibility condition is satisified by
358    // relocation.
359    gfx::Rect window_bounds;
360    GetWindowBounds(p1024x768, p1024x768, gfx::Rect(),
361                    gfx::Rect(-471, 739, 500, 400), gfx::Rect(), PERSISTED,
362                    NULL, gfx::Rect(), &window_bounds);
363    EXPECT_EQ(gfx::Rect(-470 /* not -471 */,
364                        738 /* not 739 */,
365                        500,
366                        400).ToString(),
367              window_bounds.ToString());
368  }
369
370  { // off the bottomright and the minimum visibility condition is satisified by
371    // relocation.
372    gfx::Rect window_bounds;
373    GetWindowBounds(p1024x768, p1024x768, gfx::Rect(),
374                    gfx::Rect(995, 739, 500, 400), gfx::Rect(), PERSISTED,
375                    NULL, gfx::Rect(), &window_bounds);
376    EXPECT_EQ(gfx::Rect(994 /* not 995 */,
377                        738 /* not 739 */,
378                        500,
379                        400).ToString(),
380              window_bounds.ToString());
381  }
382
383  { // entirely off left
384    gfx::Rect window_bounds;
385    GetWindowBounds(p1024x768, p1024x768, gfx::Rect(),
386                    gfx::Rect(-700, 50, 500, 400), gfx::Rect(), PERSISTED,
387                    NULL, gfx::Rect(), &window_bounds);
388    EXPECT_EQ(gfx::Rect(-470 /* not -700 */, 50, 500, 400).ToString(),
389              window_bounds.ToString());
390  }
391
392  { // entirely off left (monitor was detached since last run)
393    gfx::Rect window_bounds;
394    GetWindowBounds(p1024x768, p1024x768, gfx::Rect(),
395                    gfx::Rect(-700, 50, 500, 400), left_s1024x768, PERSISTED,
396                    NULL, gfx::Rect(), &window_bounds);
397    EXPECT_EQ("0,50 500x400", window_bounds.ToString());
398  }
399
400  { // entirely off top
401    gfx::Rect window_bounds;
402    GetWindowBounds(p1024x768, p1024x768, gfx::Rect(),
403                    gfx::Rect(50, -500, 500, 400), gfx::Rect(), PERSISTED,
404                    NULL, gfx::Rect(), &window_bounds);
405    EXPECT_EQ("50,0 500x400", window_bounds.ToString());
406  }
407
408  { // entirely off top (monitor was detached since last run)
409    gfx::Rect window_bounds;
410    GetWindowBounds(p1024x768, p1024x768, gfx::Rect(),
411                    gfx::Rect(50, -500, 500, 400), top_s1024x768,
412                    PERSISTED, NULL, gfx::Rect(), &window_bounds);
413    EXPECT_EQ("50,0 500x400", window_bounds.ToString());
414  }
415
416  { // entirely off right
417    gfx::Rect window_bounds;
418    GetWindowBounds(p1024x768, p1024x768, gfx::Rect(),
419                    gfx::Rect(1200, 50, 500, 400), gfx::Rect(), PERSISTED,
420                    NULL, gfx::Rect(), &window_bounds);
421    EXPECT_EQ(gfx::Rect(994 /* not 1200 */, 50, 500, 400).ToString(),
422              window_bounds.ToString());
423  }
424
425  { // entirely off right (monitor was detached since last run)
426    gfx::Rect window_bounds;
427    GetWindowBounds(p1024x768, p1024x768, gfx::Rect(),
428                    gfx::Rect(1200, 50, 500, 400), right_s1024x768,
429                    PERSISTED, NULL, gfx::Rect(), &window_bounds);
430    EXPECT_EQ("524,50 500x400", window_bounds.ToString());
431  }
432
433  { // entirely off bottom
434    gfx::Rect window_bounds;
435    GetWindowBounds(p1024x768, p1024x768, gfx::Rect(),
436                    gfx::Rect(50, 800, 500, 400), gfx::Rect(), PERSISTED,
437                    NULL, gfx::Rect(), &window_bounds);
438    EXPECT_EQ(gfx::Rect(50, 738 /* not 800 */, 500, 400).ToString(),
439              window_bounds.ToString());
440  }
441
442  { // entirely off bottom (monitor was detached since last run)
443    gfx::Rect window_bounds;
444    GetWindowBounds(p1024x768, p1024x768, gfx::Rect(),
445                    gfx::Rect(50, 800, 500, 400), bottom_s1024x768,
446                    PERSISTED, NULL, gfx::Rect(), &window_bounds);
447    EXPECT_EQ("50,368 500x400", window_bounds.ToString());
448  }
449}
450
451// Test that the window is sized appropriately for the first run experience
452// where the default window bounds calculation is invoked.
453TEST(WindowSizerTestCommon, AdjustFitSize) {
454  { // Check that the window gets resized to the screen.
455    gfx::Rect window_bounds;
456    GetWindowBounds(p1024x768, p1024x768, gfx::Rect(), gfx::Rect(),
457                    gfx::Rect(), DEFAULT, NULL,
458                    gfx::Rect(-10, -10, 1024 + 20, 768 + 20), &window_bounds);
459    EXPECT_EQ("0,0 1024x768", window_bounds.ToString());
460  }
461
462  { // Check that a window which hangs out of the screen get moved back in.
463    gfx::Rect window_bounds;
464    GetWindowBounds(p1024x768, p1024x768, gfx::Rect(), gfx::Rect(),
465                    gfx::Rect(), DEFAULT, NULL,
466                    gfx::Rect(1020, 700, 100, 100), &window_bounds);
467    EXPECT_EQ("924,668 100x100", window_bounds.ToString());
468  }
469}
470
471#endif // defined(OS_MACOSX)
472