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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 #include "ui/aura/test/aura_test_helper.h"
      6 
      7 #include "base/message_loop/message_loop.h"
      8 #include "base/run_loop.h"
      9 #include "ui/aura/client/aura_constants.h"
     10 #include "ui/aura/client/default_capture_client.h"
     11 #include "ui/aura/client/focus_client.h"
     12 #include "ui/aura/env.h"
     13 #include "ui/aura/input_state_lookup.h"
     14 #include "ui/aura/test/env_test_helper.h"
     15 #include "ui/aura/test/event_generator_delegate_aura.h"
     16 #include "ui/aura/test/test_focus_client.h"
     17 #include "ui/aura/test/test_screen.h"
     18 #include "ui/aura/test/test_window_tree_client.h"
     19 #include "ui/aura/window_event_dispatcher.h"
     20 #include "ui/base/ime/dummy_input_method.h"
     21 #include "ui/base/ime/input_method_initializer.h"
     22 #include "ui/compositor/compositor.h"
     23 #include "ui/compositor/layer_animator.h"
     24 #include "ui/compositor/scoped_animation_duration_scale_mode.h"
     25 #include "ui/gfx/screen.h"
     26 
     27 #if defined(USE_X11)
     28 #include "ui/aura/window_tree_host_x11.h"
     29 #include "ui/base/x/x11_util.h"
     30 #endif
     31 
     32 namespace aura {
     33 namespace test {
     34 
     35 AuraTestHelper::AuraTestHelper(base::MessageLoopForUI* message_loop)
     36     : setup_called_(false),
     37       teardown_called_(false),
     38       owns_host_(false) {
     39   DCHECK(message_loop);
     40   message_loop_ = message_loop;
     41   // Disable animations during tests.
     42   zero_duration_mode_.reset(new ui::ScopedAnimationDurationScaleMode(
     43       ui::ScopedAnimationDurationScaleMode::ZERO_DURATION));
     44 #if defined(USE_X11)
     45   test::SetUseOverrideRedirectWindowByDefault(true);
     46 #endif
     47   InitializeAuraEventGeneratorDelegate();
     48 }
     49 
     50 AuraTestHelper::~AuraTestHelper() {
     51   CHECK(setup_called_)
     52       << "AuraTestHelper::SetUp() never called.";
     53   CHECK(teardown_called_)
     54       << "AuraTestHelper::TearDown() never called.";
     55 }
     56 
     57 void AuraTestHelper::SetUp(ui::ContextFactory* context_factory) {
     58   setup_called_ = true;
     59 
     60   Env::CreateInstance(true);
     61   Env::GetInstance()->set_context_factory(context_factory);
     62   // Unit tests generally don't want to query the system, rather use the state
     63   // from RootWindow.
     64   EnvTestHelper(Env::GetInstance()).SetInputStateLookup(
     65       scoped_ptr<InputStateLookup>());
     66 
     67   ui::InitializeInputMethodForTesting();
     68 
     69   gfx::Size host_size(800, 600);
     70   test_screen_.reset(TestScreen::Create(host_size));
     71   gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_NATIVE, test_screen_.get());
     72   host_.reset(test_screen_->CreateHostForPrimaryDisplay());
     73 
     74   focus_client_.reset(new TestFocusClient);
     75   client::SetFocusClient(root_window(), focus_client_.get());
     76   stacking_client_.reset(new TestWindowTreeClient(root_window()));
     77   capture_client_.reset(new client::DefaultCaptureClient(root_window()));
     78   test_input_method_.reset(new ui::DummyInputMethod);
     79   root_window()->SetProperty(
     80       client::kRootWindowInputMethodKey,
     81       test_input_method_.get());
     82 
     83   root_window()->Show();
     84   // Ensure width != height so tests won't confuse them.
     85   host()->SetBounds(gfx::Rect(host_size));
     86 }
     87 
     88 void AuraTestHelper::TearDown() {
     89   teardown_called_ = true;
     90   test_input_method_.reset();
     91   stacking_client_.reset();
     92   capture_client_.reset();
     93   focus_client_.reset();
     94   client::SetFocusClient(root_window(), NULL);
     95   host_.reset();
     96   ui::GestureRecognizer::Reset();
     97   test_screen_.reset();
     98   gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_NATIVE, NULL);
     99 
    100 #if defined(USE_X11)
    101   ui::test::ResetXCursorCache();
    102 #endif
    103 
    104   ui::ShutdownInputMethodForTesting();
    105 
    106   Env::DeleteInstance();
    107 }
    108 
    109 void AuraTestHelper::RunAllPendingInMessageLoop() {
    110   // TODO(jbates) crbug.com/134753 Find quitters of this RunLoop and have them
    111   //              use run_loop.QuitClosure().
    112   base::RunLoop run_loop;
    113   run_loop.RunUntilIdle();
    114 }
    115 
    116 }  // namespace test
    117 }  // namespace aura
    118