android_webview/browser/browser_view_renderer_unittest.cc

   1 // Copyright 2014 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 "android_webview/browser/browser_view_renderer.h"
   6 #include "android_webview/browser/child_frame.h"
   7 #include "android_webview/browser/test/rendering_test.h"
   8 #include "base/location.h"
   9 #include "base/single_thread_task_runner.h"
  10
  11 namespace android_webview {
  12
  13 class SmokeTest : public RenderingTest {
  14   void StartTest() override { browser_view_renderer_->PostInvalidate(); }
  15
  16   void DidDrawOnRT(SharedRendererState* functor) override {
  17     EndTest();
  18   }
  19 };
  20
  21 RENDERING_TEST_F(SmokeTest);
  22
  23 class ClearViewTest : public RenderingTest {
  24  public:
  25   ClearViewTest() : on_draw_count_(0) {}
  26
  27   void StartTest() override {
  28     browser_view_renderer_->PostInvalidate();
  29     browser_view_renderer_->ClearView();
  30   }
  31
  32   void DidOnDraw(bool success) override {
  33     on_draw_count_++;
  34     if (on_draw_count_ == 1) {
  35       // First OnDraw should be skipped due to ClearView.
  36       EXPECT_FALSE(success);
  37       browser_view_renderer_->DidUpdateContent();  // Unset ClearView.
  38       browser_view_renderer_->PostInvalidate();
  39     } else {
  40       // Following OnDraws should succeed.
  41       EXPECT_TRUE(success);
  42     }
  43   }
  44
  45   void DidDrawOnRT(SharedRendererState* functor) override {
  46     EndTest();
  47   }
  48  private:
  49   int on_draw_count_;
  50 };
  51
  52 RENDERING_TEST_F(ClearViewTest);
  53
  54 class TestAnimateInAndOutOfScreen : public RenderingTest {
  55  public:
  56   TestAnimateInAndOutOfScreen() : on_draw_count_(0), draw_gl_count_on_rt_(0) {}
  57
  58   void StartTest() override {
  59     new_constraints_ = ParentCompositorDrawConstraints(
  60         false, gfx::Transform(), window_->surface_size().IsEmpty());
  61     new_constraints_.transform.Scale(2.0, 2.0);
  62     browser_view_renderer_->PostInvalidate();
  63   }
  64
  65   void WillOnDraw() override {
  66     // Step 0: A single onDraw on screen. The parent draw constraints
  67     // of the BVR will updated to be the initial constraints.
  68     // Step 1: A single onDrraw off screen. The parent draw constraints of the
  69     // BVR will be updated to the new constraints.
  70     // Step 2: This onDraw is to introduce the DrawGL that animates the
  71     // webview onto the screen on render thread. End the test when the parent
  72     // draw constraints of BVR is updated to initial constraints.
  73     if (on_draw_count_ == 1 || on_draw_count_ == 2)
  74       browser_view_renderer_->PrepareToDraw(gfx::Vector2d(), gfx::Rect());
  75   }
  76
  77   void DidOnDraw(bool success) override {
  78     EXPECT_TRUE(success);
  79     on_draw_count_++;
  80   }
  81
  82   bool WillDrawOnRT(SharedRendererState* functor,
  83                     AwDrawGLInfo* draw_info) override {
  84     if (draw_gl_count_on_rt_ == 1) {
  85       draw_gl_count_on_rt_++;
  86       ui_task_runner_->PostTask(
  87           FROM_HERE,
  88           base::Bind(&RenderingTest::PostInvalidate, base::Unretained(this)));
  89       return false;
  90     }
  91
  92     draw_info->width = window_->surface_size().width();
  93     draw_info->height = window_->surface_size().height();
  94     draw_info->is_layer = false;
  95
  96     gfx::Transform transform;
  97     if (draw_gl_count_on_rt_ == 0)
  98       transform = new_constraints_.transform;
  99
 100     transform.matrix().asColMajorf(draw_info->transform);
 101     return true;
 102   }
 103
 104   void DidDrawOnRT(SharedRendererState* functor) override {
 105     draw_gl_count_on_rt_++;
 106   }
 107
 108   bool DrawConstraintsEquals(
 109       const ParentCompositorDrawConstraints& constraints1,
 110       const ParentCompositorDrawConstraints& constraints2) {
 111     if (constraints1.is_layer != constraints2.is_layer ||
 112         constraints1.transform != constraints2.transform)
 113       return false;
 114
 115     return !constraints1.is_layer ||
 116            constraints1.surface_rect_empty == constraints2.surface_rect_empty;
 117   }
 118
 119   void ParentDrawConstraintsUpdated(
 120       const ParentCompositorDrawConstraints& constraints) override {
 121     switch (on_draw_count_) {
 122       case 1u:
 123         EXPECT_TRUE(DrawConstraintsEquals(constraints, new_constraints_));
 124         break;
 125       case 3u:
 126         EXPECT_TRUE(DrawConstraintsEquals(constraints, initial_constraints_));
 127         EndTest();
 128         break;
 129       // There will be a following 4th onDraw. But the hardware renderer won't
 130       // post back the draw constraints in DrawGL because the constraints
 131       // don't change.
 132       default:
 133         FAIL();
 134     }
 135   }
 136
 137  private:
 138   int on_draw_count_;
 139   int draw_gl_count_on_rt_;
 140   ParentCompositorDrawConstraints initial_constraints_;
 141   ParentCompositorDrawConstraints new_constraints_;
 142 };
 143
 144 RENDERING_TEST_F(TestAnimateInAndOutOfScreen);
 145
 146 }  // namespace android_webview