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// Copyright 2014 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 "ui/base/x/selection_requestor.h"
#include "base/memory/ref_counted_memory.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop/message_loop.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/base/x/selection_utils.h"
#include "ui/base/x/x11_util.h"
#include "ui/events/platform/platform_event_source.h"
#include "ui/gfx/x/x11_atom_cache.h"
#include "ui/gfx/x/x11_types.h"
#include <X11/Xlib.h>
namespace ui {
namespace {
const char* kAtomsToCache[] = {
"STRING",
NULL
};
} // namespace
class SelectionRequestorTest : public testing::Test {
public:
SelectionRequestorTest()
: x_display_(gfx::GetXDisplay()),
x_window_(None),
atom_cache_(gfx::GetXDisplay(), kAtomsToCache) {
atom_cache_.allow_uncached_atoms();
}
~SelectionRequestorTest() override {}
// Responds to the SelectionRequestor's XConvertSelection() request by
// - Setting the property passed into the XConvertSelection() request to
// |value|.
// - Sending a SelectionNotify event.
void SendSelectionNotify(XAtom selection,
XAtom target,
const std::string& value) {
ui::SetStringProperty(x_window_,
requestor_->x_property_,
atom_cache_.GetAtom("STRING"),
value);
XEvent xev;
xev.type = SelectionNotify;
xev.xselection.serial = 0u;
xev.xselection.display = x_display_;
xev.xselection.requestor = x_window_;
xev.xselection.selection = selection;
xev.xselection.target = target;
xev.xselection.property = requestor_->x_property_;
xev.xselection.time = CurrentTime;
xev.xselection.type = SelectionNotify;
requestor_->OnSelectionNotify(xev);
}
protected:
void SetUp() override {
// Make X11 synchronous for our display connection.
XSynchronize(x_display_, True);
// Create a window for the selection requestor to use.
x_window_ = XCreateWindow(x_display_,
DefaultRootWindow(x_display_),
0, 0, 10, 10, // x, y, width, height
0, // border width
CopyFromParent, // depth
InputOnly,
CopyFromParent, // visual
0,
NULL);
event_source_ = ui::PlatformEventSource::CreateDefault();
CHECK(ui::PlatformEventSource::GetInstance());
requestor_.reset(new SelectionRequestor(x_display_, x_window_, NULL));
}
void TearDown() override {
requestor_.reset();
event_source_.reset();
XDestroyWindow(x_display_, x_window_);
XSynchronize(x_display_, False);
}
Display* x_display_;
// |requestor_|'s window.
XID x_window_;
scoped_ptr<ui::PlatformEventSource> event_source_;
scoped_ptr<SelectionRequestor> requestor_;
base::MessageLoopForUI message_loop_;
X11AtomCache atom_cache_;
private:
DISALLOW_COPY_AND_ASSIGN(SelectionRequestorTest);
};
namespace {
// Converts |selection| to |target| and checks the returned values.
void PerformBlockingConvertSelection(SelectionRequestor* requestor,
X11AtomCache* atom_cache,
XAtom selection,
XAtom target,
const std::string& expected_data) {
scoped_refptr<base::RefCountedMemory> out_data;
size_t out_data_items = 0u;
XAtom out_type = None;
EXPECT_TRUE(requestor->PerformBlockingConvertSelection(
selection, target, &out_data, &out_data_items, &out_type));
EXPECT_EQ(expected_data, ui::RefCountedMemoryToString(out_data));
EXPECT_EQ(expected_data.size(), out_data_items);
EXPECT_EQ(atom_cache->GetAtom("STRING"), out_type);
}
} // namespace
// Test that SelectionRequestor correctly handles receiving a request while it
// is processing another request.
TEST_F(SelectionRequestorTest, NestedRequests) {
// Assume that |selection| will have no owner. If there is an owner, the owner
// will set the property passed into the XConvertSelection() request which is
// undesirable.
XAtom selection = atom_cache_.GetAtom("FAKE_SELECTION");
XAtom target1 = atom_cache_.GetAtom("TARGET1");
XAtom target2 = atom_cache_.GetAtom("TARGET2");
base::MessageLoopForUI* loop = base::MessageLoopForUI::current();
loop->PostTask(FROM_HERE,
base::Bind(&PerformBlockingConvertSelection,
base::Unretained(requestor_.get()),
base::Unretained(&atom_cache_),
selection,
target2,
"Data2"));
loop->PostTask(FROM_HERE,
base::Bind(&SelectionRequestorTest::SendSelectionNotify,
base::Unretained(this),
selection,
target1,
"Data1"));
loop->PostTask(FROM_HERE,
base::Bind(&SelectionRequestorTest::SendSelectionNotify,
base::Unretained(this),
selection,
target2,
"Data2"));
PerformBlockingConvertSelection(
requestor_.get(), &atom_cache_, selection, target1, "Data1");
}
} // namespace ui
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