| // 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 <stddef.h> |
| |
| #include "base/macros.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 |