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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/renderer/pepper/pepper_webplugin_impl.h"
#include <stdint.h>
#include "base/command_line.h"
#include "base/memory/ptr_util.h"
#include "content/public/common/content_client.h"
#include "content/public/common/content_constants.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/pepper_plugin_info.h"
#include "content/public/renderer/content_renderer_client.h"
#include "content/public/test/render_view_test.h"
#include "content/renderer/pepper/plugin_instance_throttler_impl.h"
#include "content/renderer/pepper/plugin_module.h"
#include "content/renderer/pepper/renderer_ppapi_host_impl.h"
#include "content/renderer/render_frame_impl.h"
#include "content/test/test_content_client.h"
#include "ppapi/c/pp_errors.h"
#include "ppapi/c/ppb_core.h"
#include "ppapi/c/ppb_graphics_2d.h"
#include "ppapi/c/ppb_image_data.h"
#include "ppapi/c/ppb_instance.h"
#include "ppapi/c/ppp_instance.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/WebKit/public/web/WebLocalFrame.h"
namespace content {
namespace {
class PepperWebPluginImplBrowserTest
: public RenderViewTest,
public PluginInstanceThrottler::Observer {
public:
PepperWebPluginImplBrowserTest()
: throttler_(nullptr),
throttle_engaged_(false),
pp_module_(0),
pp_instance_(0),
graphics2d_(0) {}
void SetUp() override {
base::CommandLine& command_line = *base::CommandLine::ForCurrentProcess();
command_line.AppendSwitchASCII(
switches::kOverridePluginPowerSaverForTesting, "always");
current_test_ = this;
RenderViewTest::SetUp();
}
void TearDown() override {
RenderViewTest::TearDown();
current_test_ = nullptr;
}
ContentClient* CreateContentClient() override {
return new MockContentClient;
}
ContentRendererClient* CreateContentRendererClient() override {
return new MockContentRendererClient;
}
// PluginInstanceThrottler::Observer implementation
void OnThrottleStateChange() override {
if (throttler_->IsThrottled())
throttle_engaged_ = true;
}
protected:
// PPP implementation
static const void* GetInterface(const char* name) {
static PPP_Instance ppp_instance = {
&PepperWebPluginImplBrowserTest::DidCreate,
&PepperWebPluginImplBrowserTest::DidDestroy,
&PepperWebPluginImplBrowserTest::DidChangeView,
&PepperWebPluginImplBrowserTest::DidChangeFocus,
&PepperWebPluginImplBrowserTest::HandleDocumentLoad};
if (!strcmp(name, PPP_INSTANCE_INTERFACE))
return &ppp_instance;
return nullptr;
}
static int InitializeModule(PP_Module module,
PPB_GetInterface get_interface) {
EXPECT_EQ(0, current_test_->pp_module_);
current_test_->pp_module_ = module;
ppb_core_ = static_cast<const PPB_Core*>(get_interface(PPB_CORE_INTERFACE));
ppb_graphics2d_ = static_cast<const PPB_Graphics2D*>(
get_interface(PPB_GRAPHICS_2D_INTERFACE));
ppb_image_data_ = static_cast<const PPB_ImageData*>(
get_interface(PPB_IMAGEDATA_INTERFACE));
ppb_instance_ =
static_cast<const PPB_Instance*>(get_interface(PPB_INSTANCE_INTERFACE));
return PP_OK;
}
static void ShutdownModule() {
EXPECT_NE(0, current_test_->pp_module_);
current_test_->pp_module_ = 0;
}
static void DummyCallback(void*, int32_t) {}
void PaintSomething() {
PP_Size size = {2, 1};
PP_Resource image = ppb_image_data_->Create(
pp_instance_, ppb_image_data_->GetNativeImageDataFormat(), &size,
PP_TRUE);
int32_t* pixels = static_cast<int32_t*>(ppb_image_data_->Map(image));
pixels[0] = 0xff000000;
pixels[1] = 0xffffffff;
ppb_image_data_->Unmap(image);
ppb_graphics2d_->ReplaceContents(graphics2d_, image);
PP_CompletionCallback callback = {
&PepperWebPluginImplBrowserTest::DummyCallback, nullptr, 0};
ppb_graphics2d_->Flush(graphics2d_, callback);
ppb_core_->ReleaseResource(image);
}
// PPP_Instance implementation
static PP_Bool DidCreate(PP_Instance instance,
uint32_t,
const char* [],
const char* []) {
EXPECT_EQ(0, current_test_->pp_instance_);
current_test_->pp_instance_ = instance;
PP_Size size = {2, 1};
current_test_->graphics2d_ =
ppb_graphics2d_->Create(instance, &size, PP_TRUE);
ppb_instance_->BindGraphics(instance, current_test_->graphics2d_);
return PP_TRUE;
}
static void DidDestroy(PP_Instance instance) {
EXPECT_NE(0, current_test_->pp_instance_);
current_test_->PaintSomething();
ppb_core_->ReleaseResource(current_test_->graphics2d_);
current_test_->pp_instance_ = 0;
}
static void DidChangeView(PP_Instance, PP_Resource) {}
static void DidChangeFocus(PP_Instance, PP_Bool) {}
static PP_Bool HandleDocumentLoad(PP_Instance, PP_Resource) {
return PP_FALSE;
}
static PepperPluginInfo GetPluginInfo() {
PepperPluginInfo info;
info.is_internal = true;
info.path = base::FilePath(FILE_PATH_LITERAL("internal-always-throttle"));
info.name = "Always Throttle";
info.mime_types.push_back(
WebPluginMimeType("test/always-throttle", "", ""));
info.internal_entry_points.get_interface =
&PepperWebPluginImplBrowserTest::GetInterface;
info.internal_entry_points.initialize_module =
&PepperWebPluginImplBrowserTest::InitializeModule;
info.internal_entry_points.shutdown_module =
&PepperWebPluginImplBrowserTest::ShutdownModule;
return info;
}
class MockContentClient : public TestContentClient {
public:
void AddPepperPlugins(std::vector<PepperPluginInfo>* plugins) override {
plugins->push_back(GetPluginInfo());
}
};
class MockContentRendererClient : public ContentRendererClient {
public:
bool OverrideCreatePlugin(RenderFrame* render_frame,
const blink::WebPluginParams& params,
blink::WebPlugin** plugin) override {
current_test_->throttler_ =
new PluginInstanceThrottlerImpl(RenderFrame::DONT_RECORD_DECISION);
current_test_->throttler_->AddObserver(current_test_);
*plugin = render_frame->CreatePlugin(
GetPluginInfo().ToWebPluginInfo(), params,
base::WrapUnique(current_test_->throttler_));
return *plugin;
}
};
PluginInstanceThrottlerImpl* throttler_;
bool throttle_engaged_;
PP_Module pp_module_;
PP_Instance pp_instance_;
PP_Resource graphics2d_;
static PepperWebPluginImplBrowserTest* current_test_;
static const PPB_Core* ppb_core_;
static const PPB_Graphics2D* ppb_graphics2d_;
static const PPB_ImageData* ppb_image_data_;
static const PPB_Instance* ppb_instance_;
};
PepperWebPluginImplBrowserTest* PepperWebPluginImplBrowserTest::current_test_;
const PPB_Core* PepperWebPluginImplBrowserTest::ppb_core_;
const PPB_Graphics2D* PepperWebPluginImplBrowserTest::ppb_graphics2d_;
const PPB_ImageData* PepperWebPluginImplBrowserTest::ppb_image_data_;
const PPB_Instance* PepperWebPluginImplBrowserTest::ppb_instance_;
// This test simulates the behavior of a plugin that emits new frames during
// destruction. The throttler shouldn't engage and create a placeholder for
// a to-be destroyed plugin in such case. See crbug.com/483068
TEST_F(PepperWebPluginImplBrowserTest, NotEngageThrottleDuringDestroy) {
LoadHTML("<!DOCTYPE html><object type='test/always-throttle'></object>");
EXPECT_NE(0, pp_instance_);
LoadHTML("");
EXPECT_EQ(0, pp_instance_);
EXPECT_FALSE(throttle_engaged_);
}
} // unnamed namespace
} // namespace content
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